WO2007105634A1 - 無線icタグ、書類用媒体及び情報処理装置 - Google Patents
無線icタグ、書類用媒体及び情報処理装置 Download PDFInfo
- Publication number
- WO2007105634A1 WO2007105634A1 PCT/JP2007/054680 JP2007054680W WO2007105634A1 WO 2007105634 A1 WO2007105634 A1 WO 2007105634A1 JP 2007054680 W JP2007054680 W JP 2007054680W WO 2007105634 A1 WO2007105634 A1 WO 2007105634A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tag
- light
- information
- wireless
- reader
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0716—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising a sensor or an interface to a sensor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
- B41J29/393—Devices for controlling or analysing the entire machine ; Controlling or analysing mechanical parameters involving printing of test patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/44—Typewriters or selective printing mechanisms having dual functions or combined with, or coupled to, apparatus performing other functions
- B41J3/50—Mechanisms producing characters by printing and also producing a record by other means, e.g. printer combined with RFID writer
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/60—Apparatus which relate to the handling of originals
- G03G15/607—Apparatus which relate to the handling of originals for detecting size, presence or position of original
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0723—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0723—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
- G06K19/0728—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs the arrangement being an optical or sound-based communication interface
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory
- G06K19/07309—Means for preventing undesired reading or writing from or onto record carriers
- G06K19/07345—Means for preventing undesired reading or writing from or onto record carriers by activating or deactivating at least a part of the circuit on the record carrier, e.g. ON/OFF switches
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
- H04N1/00326—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a data reading, recognizing or recording apparatus, e.g. with a bar-code apparatus
- H04N1/00342—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a data reading, recognizing or recording apparatus, e.g. with a bar-code apparatus with a radio frequency tag transmitter or receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00567—Handling of original or reproduction media, e.g. cutting, separating, stacking
- H04N1/0057—Conveying sheets before or after scanning
- H04N1/00572—Conveying sheets before or after scanning with refeeding for double-sided scanning, e.g. using one scanning head for both sides of a sheet
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00835—Detecting external or ambient light
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N1/32128—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title attached to the image data, e.g. file header, transmitted message header, information on the same page or in the same computer file as the image
- H04N1/32133—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title attached to the image data, e.g. file header, transmitted message header, information on the same page or in the same computer file as the image on the same paper sheet, e.g. a facsimile page header
- H04N1/32138—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title attached to the image data, e.g. file header, transmitted message header, information on the same page or in the same computer file as the image on the same paper sheet, e.g. a facsimile page header in an electronic device attached to the sheet, e.g. in an RFID tag
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/00172—Apparatus for electrophotographic processes relative to the original handling
- G03G2215/00206—Original medium
- G03G2215/00312—Other special types
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/0008—Connection or combination of a still picture apparatus with another apparatus
- H04N2201/0015—Control of image communication with the connected apparatus, e.g. signalling capability
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/0077—Types of the still picture apparatus
- H04N2201/0081—Image reader
Definitions
- the present invention relates to a wireless IC tag capable of storing information and wirelessly supplying power and performing data communication by electromagnetic induction or radio waves, and exchanging information with the tag.
- the reader and the paper, film, etc. (hereinafter also simply referred to as paper) provided with the tag are used as document paper or printing paper, the image on the paper surface of the document is read as a document, and the document is sent to another document.
- the present invention relates to an information processing apparatus such as a digital multi-function peripheral that prints on paper and copies documents.
- the document recording medium For a document using paper, film, or the like as a recording medium (hereinafter, the document recording medium is referred to as document paper), the image on the paper is read as a manuscript, and the manuscript is printed on another paper.
- the original image data is saved in a storage device as the original image when copying, and a bar code that includes information indicating the original image data is also included.
- a pattern image is printed along with the original image. After that, when a document using the printed paper (called printing paper) as document paper is copied by the digital multi-function peripheral, a bar on the paper is printed.
- the original image data is scanned by reading the code, retrieving the original image data from the storage device based on the information the barcode has, retrieving it, and printing based on the data. Do not degrade the image quality of even the printed image by repeating a multi-copy, which was based on paper, things have been commercialized, Ru.
- a pattern image such as a barcode functions as a simple holding means for information that is easily read out in a non-contact state by optical means such as a barcode reader. Yes.
- a non-contact type IC (integrated circuit) card or wireless that can hold more information than a bar code in recent years.
- IC integrated circuit
- Including a small IC memory chip such as an IC tag its power is supplied in a non-contact manner by its corresponding reader (data reader), and the data held there is read.
- Things that can be used are widely used in daily life such as transportation commuter pass, postal items, and luggage.
- the wireless IC tag receives data stored therein, its function, information related to operation control, and other information (collectively referred to as tag information) to the tag.
- Wireless IC tag reader (which is also simply referred to as a reader.
- V includes not only reading information from a tag but also a function for writing information to the tag.
- the term “reader” is simply used for the terminology, and the word “communication” is used as a general term for reading and writing.)
- Data is exchanged with electromagnetic induction or radio waves. Within the corresponding range, the direction 'direction, optical shielding and other spatial conditions are less limited with respect to the reader than the barcode.
- a commuter pass when used for mail, parcels, and printing paper, there is a specific problem that does not occur when data can be exchanged with a reader for each sheet, such as a commuter pass.
- Patent Document 1 Japanese Unexamined Patent Publication No. 2003-317050 (Page 3, Page 5, Page 9, Figure 2, Figure 4, Figure 6 to Figure 8)
- Patent Document 2 Japanese Patent Laid-Open No. 2004-249499
- the wireless IC tag shown in Patent Document 2 having the above-described conventional configuration is in the form of a document in which a plurality of document sheets such as printing paper having the tag are bound. In that state, there is a problem when adjacent tags influence each other as described in Patent Document 1 described above when data is exchanged with the reader.
- the wireless IC tag is used to read radio waves, etc.
- the document paper is double-sided printing paper and you want to copy only the back side of the document paper.
- the problem is that no matter how the conventional tag is applied to the printing paper, that is, even if the application surface is not only one side of the printing paper but also both sides, the direction and direction of application It will not be solved no matter how. Therefore, such a tag is not used for purposes and purposes of double-sided printing on printing paper.
- FIG. 2 As shown in FIG. 2, FIG. 4, FIG. 4, and FIG. 6 to FIG. 8 of Patent Document 1, a plurality of forms of use are stacked and aligned by a case having a fixed shape in which it is housed. It is assumed that the tag is placed in a predetermined position, and a plurality of tags must be stacked and the positions of the light receiving elements and the like must be aligned. Therefore, even if the tag information for each document sheet can be read even in the form of a document in which a plurality of document sheets are bound, if such a tag is affixed to the print sheet, the tag for the print sheet is used. It is necessary to align the position of the application with high accuracy, and when bundling document paper as a multi-paged document, it is necessary to align the document paper in the same direction and orientation, and to bundle it correctly. There is.
- the wireless IC tag can be used regardless of the front and back of the object in which the tag is stored or attached. Naturally, it does not have the function of distinguishing between the front and back sides of the product, and it cannot be used to exchange data according to the front side and back side of the product. As in the case of an open tag, the front and back of the object in which it is stored or attached should be distinguished.
- the wireless IC tag disclosed in Patent Document 1 is such that tag information can be read for each page of document paper even in the form of a document in which a plurality of document papers are bound. At that time, these issues occurred.
- the wireless IC tag disclosed in Patent Document 1 is configured to detect light on both the front surface and the back surface of the object in which the tag is housed or attached.
- a configuration in which light receiving elements are provided on both the front and back surfaces is shown. However, in this configuration, two light receiving elements are required.
- the printing paper itself is inexpensive, and therefore, it is further desirable that the circuit size and cost can be further reduced. It was where
- the present invention solves such a conventional problem, and reads tag information for each document sheet even in the form of a document in which a plurality of document sheets are bound in a printing paper or the like.
- Wireless IC tag that can be detected by configuration and read tag information for each page of document paper, reader that exchanges information with the tag, paper provided with the tag, and the paper
- the purpose is to provide an information processing device such as a digital multi-function printer that uses document paper or printing paper.
- the present invention is provided attached to or included in a tangible object, capable of storing information, supplied with power wirelessly, and electromagnetic induction.
- a wireless IC tag capable of exchanging information stored in the tag and other tag information with the reader by conducting data communication with a reader existing outside the tangible object by conduction or radio wave, Including external light receiving means capable of distinguishing and receiving external light in each of a plurality of predetermined directions and directions with respect to the tangible object provided with a tag, and when receiving a predetermined radio wave or the like of the reader force, Regarding the exchange of information with the reader, based on the light reception signal obtained by the external light receiving means receiving the external light, depending on the light reception signal, a response to the reader is not performed, or And those characterized in that shall include receiving information corresponding to at least the received light signal in a portion of the tag information Ritori.
- a wireless IC tag capable of exchanging information stored in the tag and other tag information with the reader by performing data communication with the reader, and each of the units provided with the tag.
- a plurality of light transmitting portions that transmit light irradiated from a predetermined direction to the tangible object into the tag, and one or more light receiving elements that receive the light transmitted through the light transmitting portion.
- Each of the plurality of light transmitting portions has a light transmittance, force, a pattern that is not uniform and different from each other in at least one direction with respect to the direction of light transmission, and the tag Is more than one
- the light transmitted through any of the light transmitting portions is received by the light receiving element, and when a predetermined radio wave or the like is received from the reader, the light transmittance is formed with respect to the exchange of information with the reader.
- the tag information to be exchanged without performing a response or at least part of the tag information may include light reception information corresponding to the light reception signal.
- a wireless IC tag capable of exchanging information stored in the tag and other tag information with the reader through data communication with the reader in a one-dimensional or two-dimensional direction with respect to light. It is provided with external light reflecting means having a surface that can be changed to form a pattern in a predetermined direction and direction, and receives a predetermined communication from the reader, and the communication is performed. A predetermined pattern based on the information may appear on the surface of the external light reflecting means.
- a tangible object can store information, is supplied with power wirelessly, and also has a plurality of predetermined direction forces on the tangible object.
- Data communication can be performed by electromagnetic induction or radio waves with a wireless IC tag having a function of distinguishing and receiving irradiated light, information stored in the wireless IC tag, light reception information related to reception of the light, and other information
- the wireless IC tag reader that exchanges tag information uses the received light information obtained by distinguishing light received from the tag information from a plurality of predetermined directions and directions with respect to the tangible object.
- a light irradiation direction identifying means for identifying the direction and direction of light irradiation to the tangible object based on the information, and including radio waves between the wireless IC tag and the like.
- Data communication with The wireless IC tag is provided by exchanging information and identifying the direction and direction of light irradiation to the tangible object by the light irradiation direction identification means based on the received light information in the received tag information. It may be characterized by being able to specify the orientation and orientation of a tangible object.
- an information processing apparatus that performs processing such as reading an image on a medium surface of a document using paper or the like as a medium is used as illumination for image reading, and an irradiation area is on one surface of the medium.
- An illuminating unit that emits light that is relatively moved or scanned in a certain direction; and an image reading unit that optically reads an image on the medium surface using light from the illuminating unit as illumination light to the medium; Attached to or included in a part of the medium, capable of storing information, supplied with power wirelessly, and a plurality of Predetermined direction / direction force of the wireless IC tag having the function of distinguishing and receiving the irradiated light and performing data communication by electromagnetic induction or radio wave, information stored in the wireless IC tag, A wireless IC tag 'reader that exchanges light reception information and other tag information related to light reception, and distinguishes and receives light from the tag information in which the wireless IC tag is irradiated in a plurality of predetermined
- the obtained light reception information can be extracted, and includes a light irradiation direction identifying means for identifying the direction of light irradiation to the medium based on the information, and the wireless IC tag
- the data is exchanged by radio wave etc., and the information is exchanged.
- the direction of irradiation of the illumination light to the medium by the light irradiation direction identification means ⁇ Identify the orientation
- a wireless IC tag having a surface in a predetermined direction and direction that can be changed so that the reflectance with respect to light forms a pattern that is not uniform in a one-dimensional or two-dimensional direction is provided.
- An information processing device that performs processing such as reading an image on a medium surface of a document using paper as a medium is used as an illumination for image reading, and the irradiation area is relatively in a certain direction on one surface of the medium.
- An illuminating unit that emits light that is moved or scanned; an image reading unit that optically reads an image on the surface of the medium using light from the illuminating unit as illumination light to the medium; Pattern recognition means for extracting the pattern and recognizing the information represented by the pattern, and attached to the medium or included in a part of the medium for storing information and supplying power wirelessly None
- a wireless IC tag reader that exchanges information stored in the wireless IC tag and other tag information by performing data communication with the wire IC tag by electromagnetic induction or radio waves.
- the pattern recognition means After the reader / writer performs communication to instruct the wireless IC tag to form a predetermined pattern in which the reflectance with respect to light is not uniform in a one-dimensional or two-dimensional direction, the pattern recognition means When a predetermined pattern is extracted and the information represented by the pattern is recognized, the tag information is exchanged with the wireless IC tag based on the recognized information.
- An information processing apparatus that performs processing such as printing an image on a medium such as paper is Medium conveying means for conveying the recording medium and sending it to the outside of the apparatus; provided attached to or included in part of the medium, capable of storing information, and supplied with power wirelessly; Further, the wireless IC tag can perform data communication by electromagnetic induction or radio waves with a wireless IC tag having a function of distinguishing and receiving light irradiated in a plurality of predetermined direction directions with respect to the medium.
- Wireless IC tag for exchanging information to be received, received light information related to light reception and other tag information, and a light irradiation means for irradiating light onto the surface to be printed on the medium, and printing output
- the light irradiating means irradiates light when the medium conveying means is conveying the medium, and based on the information, at least information stored in the wireless IC tag in the tag information is exchanged.
- the present invention relates to the exchange of information with the reader when receiving a predetermined radio wave from the reader, and based on the received light signal obtained by receiving external light, depending on the received light signal, Even if there is only one wireless IC tag, the tag is provided by not including a response or by including at least part of the received tag information including the received light information corresponding to the received light signal.
- the tag information can be received in the direction that can receive external light. Each direction can be different.
- the tag information depends on the direction / direction in which the tangible object (for example, document paper) provided with the tag is placed.
- the number of tangible objects can be different depending on the direction and direction of the tangible object (for example, the front and back sides of the paper). Therefore, the reader can detect the presence or absence of document paper and set the irradiation direction and direction in advance so that the direction and direction in which the document paper is placed (for example, the front of the document paper). It is also possible to know the orientation of the front or back side at the same time.
- such a wireless IC tag is provided with illumination for reading a document when the document is copied, even in the case of a document in which a plurality of document sheets are bundled. Only the document paper tag facing the platen to which the light is applied reacts to the illumination light. The tag of other document paper that does not respond to the reader and does not respond to the specified lighting condition can be set not to respond.Therefore, it is under the specified lighting conditions where there is no data collision between multiple tags that have received radio waves. Only the tag can be detected, and the person making the copy can place it on the platen as a bunch of document sheets without separating the documents one by one.
- each of the plurality of light transmitting portions has a light transmittance that is not uniform in at least one direction with respect to the direction in which the light is transmitted and has a pattern different from each other.
- the tag receives light transmitted through any one of the plurality of light transmitting portions by a light receiving element, and when receiving a predetermined radio wave from the reader, Based on the received light signal corresponding to the pattern of light transmittance, depending on the received light signal, no response is made to the reader, or at least a part of the tag information to be exchanged is received light information corresponding to the received light signal.
- the wireless IC tag when light is irradiated to a tangible object (for example, document paper) to which the tag is attached while moving with time, the time change of the light receiving state of the light receiving element is changed to each light transmitting part.
- a tangible object for example, document paper
- the time change of the light receiving state of the light receiving element is changed to each light transmitting part.
- a digital multi-function peripheral or the like In a digital multi-function peripheral or the like, generally, when a document is copied, the illumination is applied while moving relative to the document paper on which the image on the paper surface is read by the scanner.
- the wireless IC tag provided on the document paper can distinguish the orientation of the back and front of the document paper with respect to the reading of the scanner by the difference in the temporal change of the light receiving state at the light receiving element, and information on the distinction can be obtained.
- the reader can detect the presence or absence of document paper, etc., and by setting the direction of irradiation 'direction in advance, the direction in which the document paper is placed' You can also know the orientation (for example, the orientation of the front or back side of the paper).
- an external light reflecting means having a surface that can be changed so as to form a pattern in which the reflectance with respect to the wireless IC tag force light is not uniform in a one-dimensional or two-dimensional direction.
- the light reflected by the surface is due to differences in reflectance at various locations on the surface. Since even a pattern formed can be transmitted, tag information can be a wireless IC tag that can be exchanged only when light is irradiated or only when light is received.
- data communication is performed with radio IC tags using radio waves, etc. to exchange information, and based on the received light information in the received tag information, the direction of light irradiation to tangible objects
- the orientation of the tangible object can be specified, so that the reader can detect the orientation of the tag, for example, paper, film, or other document media. Detection and detection of the surface of the document sheet on the surface of the bundle when used in a bundled form on the document sheet.
- the information processing apparatus such as a digital multifunction peripheral is provided with a tag, for example, paper It can detect the front and back sides of film and other document media, and the surface of a document sheet on the surface of a bundle when used in a bundled form on a document sheet.
- the wireless IC tag reader performs communication for instructing the wireless IC tag to form a predetermined pattern that is not uniform in the one-dimensional or two-dimensional reflectance.
- the pattern recognition means extracts the predetermined pattern and recognizes the information represented by the pattern
- the wireless IC tag and the tag information are exchanged based on the recognized information.
- tag information is only available when light is irradiated. Or exchange only when light is received.
- the light irradiating means emits light when the medium conveying means is conveying the medium, and based on the information, at least information stored in the wireless IC tag in the tag information is exchanged.
- an information processing device such as a printer can distinguish light reception states according to the patterns having different patterns of light transmittance in a plurality of directions.
- the lamp that received the irradiated light Tag information including light reception information corresponding to the light reception signal in the tag can be exchanged by writing to or reading from the tag.
- FIG. 1 is a schematic view of a document sheet in which a wireless IC tag according to the present invention is embedded.
- FIG. 1A is a view showing the top surface
- FIG. 1B is an enlarged view taken along line A1.
- FIG. 1 is a schematic view of a document sheet in which a wireless IC tag according to the present invention is embedded.
- FIG. 1A is a view showing the top surface
- FIG. 1B is an enlarged view taken along line A1.
- FIG. 2 schematically shows the wireless IC tag according to the first embodiment
- FIG. 2A is a top view thereof
- FIG. 2B is a sectional view taken along line A 2
- FIG. 2C is a bottom view.
- FIG. 3 is a block diagram showing a configuration of a circuit block of the wireless IC tag according to the first embodiment.
- FIG. 4 is a circuit configuration diagram of the memory switching circuit 15 and the memory 14 in the wireless IC tag according to the first embodiment.
- FIG. 5 is a diagram showing a schematic configuration of a digital multi-function peripheral in the present embodiment.
- FIG. 6 is a diagram showing an example of a state in which a document sheet is placed on the platen of the digital multifunction peripheral.
- FIG. 7 is a diagram showing an example of a schematic configuration of an information processing circuit in a digital multifunction peripheral.
- FIG. 8 is a command sequence diagram between the tag and the digital multi-function peripheral relating to the operation of the wireless IC tag in the present embodiment.
- FIG. 9 schematically shows a wireless IC tag according to the second embodiment
- FIG. 9A is a top view thereof
- FIG. 9B is a sectional view taken along line A 2
- FIG. 9C is a bottom view.
- FIG. 10 is a block diagram showing a circuit block configuration of a wireless IC tag according to a second embodiment.
- FIG. 11 is an enlarged schematic view showing a cross section of a document sheet in which a tag according to a second embodiment is embedded on a platen of a digital multifunction peripheral.
- FIG. 12 is a schematic diagram showing a temporal change of the amount of light received by the wireless IC tag according to the second embodiment with illumination scanning.
- FIG. 13 is a process flowchart of the light irradiation direction identification function of the wireless IC tag according to the second embodiment.
- FIG. 14 schematically shows an example of another tag according to the second embodiment.
- FIG. 14A is a top view
- FIG. 14B is a cross-sectional view along line A2
- FIG. 14C is a bottom view. is there.
- FIG. 15 schematically shows still another example of the tag
- FIG. 15A is a top view
- FIG. 15B is a bottom view.
- a first embodiment of the present invention is provided attached to a tangible object or included in a part thereof, capable of storing information, supplied with power wirelessly, and electromagnetic induction.
- the wireless IC tag is capable of exchanging tag information with the reader by performing data communication with a reader existing outside the tangible object by radio waves.
- the tag information is information stored in the tag and other information.
- the other information is information generated by the tag, for example.
- This wireless IC tag is installed on document paper such as printing paper and other tangible objects. In the case of a so-called IC card, this wireless IC tag can be provided on a plastic card which is the card body.
- the wireless IC tag includes an external light receiving unit capable of receiving external light in a plurality of predetermined directions and directions with respect to the tangible object provided with the tag while distinguishing them from each other.
- the external light receiving means receives external light in a predetermined direction within the surface of the document paper and in a predetermined direction with respect to the surface.
- the wireless IC tag receives a predetermined radio wave or the like having the reader power
- the light reception signal obtained by the external light receiving means receiving the external light with respect to the exchange of information with the reader Therefore, depending on the received light signal, no response is made to the reader, or at least part of the tag information to be exchanged includes received light information corresponding to the received light signal.
- the wireless IC tag when a predetermined radio wave or the like having a reader force is received, regarding the exchange of information with the reader, based on the light reception signal obtained by receiving external light, the light reception signal is used. If the wireless IC tag does not respond to the reader, or at least part of the tag information to be exchanged includes light reception information corresponding to the light reception signal, the wireless IC tag Even if the direction of the illumination light that becomes the external light to the tangible object with the tag is changed, the tag information can be transmitted in the direction of the direction that can receive the external light. Each direction can be different.
- the tag information depends on the direction / direction in which the tangible object (for example, document paper) provided with the tag is placed.
- the number of tangible objects can be different depending on the direction and direction of the tangible object (for example, the front and back sides of the paper).
- the tag can output different tag information depending on the direction and direction of the tangible object. Therefore, the reader can detect the presence or absence of document paper, etc., and the irradiation direction 'direction is set in advance so that the direction in which the document paper is placed (for example, the front side of the document paper).
- the orientation of the surface or the back surface can also be known at the same time.
- such a wireless IC tag is provided with an illumination for reading a document when the document is copied, even in a case where a plurality of document sheets are bundled. Only the tag of the document paper facing the platen to which the light is applied responds to the illumination light and responds to the reader, and other document paper tags that are not under the specified lighting conditions cannot respond. It is possible to detect only tags under a predetermined lighting condition where there is no data collision between the received tags, and the person who makes the copy can copy the document at the time of copying. It can be placed on the platen as a bundle of document papers that cannot be separated into sheets.
- the front and back of an object can be detected in a wireless IC tag, and the surface of the document paper on the surface of the bundle even when used in a bundled form on a printing paper or the like Can convey information about.
- the external light receiving means is
- Each of the elements is a plurality of light receiving elements oriented in the predetermined direction ′.
- the external light receiving means is configured so that each of the elements has a predetermined direction.
- each of the elements has a predetermined direction.
- the external light receiving means may be configured so that each of the portions is irradiated with light irradiated with the predetermined direction and direction force into the tag.
- the external light receiving means includes a plurality of light transmitting portions that transmit the light emitted from each of the portions from a predetermined direction to the inside of the tag, and each of the elements.
- the light transmission part is made up of a plurality of light receiving elements that receive light transmitted through the corresponding light transmission part, so that light such as an optical fiber can be routed to an arbitrary path. Since the outside light can be guided to the light receiving element by using the light guiding means that guides the light, the attachment of the light receiving element can be configured in any direction / direction on the tag. It is also possible to adopt a structure in which the position where the light is received by external light is separated from the other components.
- a fourth embodiment of the present invention is provided attached to a tangible object or included in a part thereof, capable of storing information, supplied with power wirelessly, and electromagnetic induction. Or a wireless IC tag capable of exchanging data with a reader existing outside the tangible object by radio and exchanging information stored in the tag and other tag information with the reader. A light transmission part and one or more light receiving elements. This wireless IC tag
- Each of the plurality of light transmitting portions transmits light that has also been irradiated in a predetermined direction to the tangible object provided with the tag into the inside of the tag, and one or more light receiving elements pass through the light transmitting portion. Receives the transmitted light.
- each light transmitting portion has a light transmission rate that is not uniform in at least one direction with respect to the direction in which light is transmitted and has a pattern that is different from each other.
- the tag receives light that has passed through any of the plurality of light transmitting portions by the light receiving element.
- the wireless IC tag receives a predetermined radio wave from the reader, and receives the light reception signal based on the light reception signal corresponding to the pattern formed by the light transmission rate with respect to the exchange of information with the reader. Depending on the tag information to be exchanged or not responding to the reader.
- the received light information corresponding to the received light signal is included.
- each of the plurality of light transmitting portions has a light transmittance that is not uniform in at least one direction with respect to the direction in which the light is transmitted and is different from each other.
- the tag receives light that has passed through one of the multiple light transmission parts with a light receiving element and receives a predetermined radio wave from the reader, the tag communicates with the reader. Based on the received light signal corresponding to the pattern of light transmittance, depending on the received light signal, no response is made to the reader, or at least part of the tag information to be exchanged depends on the received light signal.
- the wireless IC tag can receive light from the light receiving element when light is irradiated to a tangible object (for example, document paper) with the tag moving with time.
- the change in light can be made different depending on the light transmittance pattern in each light transmitting part, so even if there is only one light receiving element, the direction of light irradiation depends on the temporal change in the light receiving state. It is possible to separate the direction.
- a digital multi-function peripheral or the like generally, when a document is copied, the illumination is applied while moving relative to the document paper on which the image on the paper surface is read by the scanner.
- the wireless IC tag provided on the document paper can distinguish the orientation of the back and front of the document paper with respect to the reading of the scanner by the difference in the temporal change of the light receiving state at the light receiving element, and information on the distinction can be obtained.
- the reader can detect the presence or absence of document paper, etc., and by setting the direction of irradiation 'direction in advance, the direction in which the document paper is placed' You can also know the orientation (for example, the orientation of the front or back side of the paper).
- such a wireless IC tag is provided with an illumination for reading a document when the document is copied even in a case where a plurality of document sheets are bundled. Only the tag of the document paper facing the platen to which the light is applied responds to the illumination light and responds to the reader, and other document paper tags that are not under the specified lighting conditions cannot respond. It is possible to detect only tags under a predetermined lighting condition where there is no data collision between the received tags, and the person who makes the copy can copy the document at the time of copying. Can be placed on the platen as a stack of document papers The
- the front and back of an object can be detected in a wireless IC tag, and the surface of the document paper on the surface of the bundle even when used in a bundled form on a printing paper or the like Can convey information about.
- each of the light transmitting portions has a light transmittance of two directions orthogonal to each other with respect to a direction in which the light is transmitted.
- the above pattern is formed.
- the light transmission section has the light transmission rate in the two orthogonal directions with respect to the direction in which the light is transmitted, thereby forming the pattern.
- a wireless IC tag is used when the tag is attached to a tangible object (e.g., document paper) as light travels over time, e.g. Regardless of the orientation, the temporal change in the light receiving state of the light receiving element can be made the same, so that the front and back sides of the above-mentioned document paper can be used regardless of whether the document paper is placed vertically or horizontally with respect to the reading of the scanner. It is possible to pass on the difference to the leader.
- the pattern having light transmittance is between the one end side and the other end side in the direction of the pattern. They are line-symmetric with respect to the axis crossing the center.
- a pattern having light transmittance is symmetrical with respect to an axis crossing the center between one end side and the other end side in the direction of the pattern.
- the light intensity change pattern detected by the light receiving element of the reader is the same even in the direction opposite to the direction of movement of the light applied to the above-mentioned wireless IC tag.
- the discrimination process becomes easy. For example, when a tag is attached to printing paper, when the document paper is placed on a platen such as a digital multi-function peripheral, the direction of the paper is placed so that the light receiving element of the reader can be used in any direction. Change in the amount of light detected Since the patterns are the same, the reader can easily perform pattern discrimination processing.
- the pattern having light transmittance in the fourth embodiment has a plurality of light transmittances at end portions in the direction of the pattern. The same is applied to all of the light transmission parts.
- the light transmittance pattern at the end in the direction formed by the pattern is the same for all of the plurality of light transmission portions. Therefore, when the wireless IC tag or the reader determines which light transmitting portion the light has passed through, the absolute value of the amount of light irradiated to the tag (the amount of illumination light, the tag printing paper, etc.) (Effects of mounting configuration and other factors) can be determined from the amount of light received at the time light reception starts, and the effects of other factors such as the amount of illumination light and the mounting configuration of the tag on the printing paper can be eliminated.
- the light transmission part can be identified stably based on the correspondence between the temporal change in the amount of received light and the pattern.
- An eighth embodiment of the present invention is provided attached to a tangible object or included in a part thereof, capable of storing information, supplied with power wirelessly, and electromagnetic induction.
- the wireless IC tag is capable of exchanging data with a reader existing outside the tangible object by radio and exchanging information stored in the tag and other tag information with the reader.
- This wireless IC tag includes an external light reflecting means having a surface in a predetermined direction 'direction that can be changed so that the reflectance with respect to light forms a non-uniform pattern in one or two dimensions. Upon receiving a predetermined communication from the reader, a predetermined pattern based on the communicated information appears on the surface of the external light reflecting means.
- the reflectance to the wireless IC tag force light is not uniform in a one-dimensional or two-dimensional direction, but the surface that can be changed to form a pattern is a predetermined direction.
- the light reflected by the surface is formed by the difference in reflectance at various points on the surface. Since even a pattern can be transmitted, tag information can be a wireless IC tag that can be exchanged only when light is irradiated or only when light is received.
- the external light reflecting means is A plurality of the surfaces on which each of the patterns is formed face a predetermined direction or direction, or one outside light reflecting means has a plurality of the surfaces, and each surface has a predetermined direction. ⁇ Facing the direction.
- the surface on which the pattern is formed has a uniform reflectivity for light in a one-dimensional or two-dimensional direction.
- the pattern is made of liquid crystal.
- the surface force at which the pattern is formed is reflected in a one-dimensional or two-dimensional direction! Since the pattern to be formed on the liquid crystal can be changed electrically, the pattern can be changed arbitrarily and easily by receiving instructions from the outside.
- the pattern formed by the external light reflecting means is a one-dimensional or two-dimensional barcode pattern.
- the pattern formed by the external light reflecting means is a one-dimensional or two-dimensional barcode pattern, so that the light reflectance is not uniform in the one-dimensional or two-dimensional direction.
- the wireless IC tag can be used in other systems that adopt the specifications by making it easy to configure and making the barcode pattern conform to the default specifications.
- a plurality of the predetermined directions' are directions in which a front surface of the tangible object faces and a back surface thereof. The direction facing is.
- the wireless IC tag is attached to the printing paper or the like by the plurality of predetermined directions and directions being the direction in which the front surface of the tangible object faces and the direction in which the back surface faces. It can be easily placed on a thin or sheet-like object such as document paper, and the tag can be used to identify the orientation of the front and back sides of the object.
- the light reception information is light reception signal information indicating the content itself of the light reception signal, or the light reception signal. Information is included.
- the light reception information includes the light reception signal information indicating the content itself of the light reception signal, or the light reception signal information. Since the reader can process the received light signal information to obtain desired information, the functions can be expanded while suppressing the increase in the scale of information processing in the tag and the cost of the tag.
- a fourteenth embodiment of the present invention includes, in the first or fourth embodiment, a light receiving element that generates a voltage or a current upon receiving light, and a power storage unit that stores electric charge, The electric power obtained by the light receiving element is stored in the electric storage means and used as at least a part of electric power for the electric circuit of the tag.
- the power obtained by the light receiving element is stored in the power storage means to be at least part of the power for the electric circuit of the wireless IC tag, so that a large number of tags exist close to each other. Even when the IC is unable to receive enough power for the IC to operate due to the mutual inductance between the antennas built in the tag when reading the reader in the form, power is supplied to the circuit in the tag.
- the power supply capacity of the tag can be increased because it can obtain more power than when using only radio waves, etc., and can store power using external light even in the absence of radio waves. As a result, it is possible to stabilize the operation of the electric circuit, handle a time-consuming process, and facilitate further expansion of the circuit function.
- a fifteenth embodiment of the present invention is a paper, film or other document medium provided with the wireless IC tag shown in each of the first to fourteenth embodiments.
- the wireless IC tag shown in each of the first to fourteenth embodiments on paper, film, or other document medium, the direction and direction of light irradiation to the tag Therefore, it is possible to detect the front and back of the medium by the reader, and to detect the surface of the document paper on the surface of the bundle when used in a bundled form in a document or the like. And even if the document is a bundle of multiple documents, copy one side of the document Sometimes, only the document paper tag facing the platen to which the illumination light is applied can operate, so it can be used on the platen as a bundle of document papers without separating them one by one.
- a sixteenth embodiment of the present invention is provided attached to a tangible object or included in a part thereof, capable of storing information, supplied with power wirelessly, and further, A plurality of predetermined directions and direction forces with respect to the wireless IC tag having a function of distinguishing and receiving irradiated light, and performing data communication by electromagnetic induction or radio waves, information stored in the wireless IC tag, A wireless IC tag reader that exchanges received light information and other tag information related to the reception of light, wherein the wireless IC tag distinguishes light irradiated by a plurality of predetermined directions and direction forces with respect to the tangible object from the tag information.
- the light reception information obtained by separately receiving light can be extracted, and includes a light irradiation direction identification means for identifying the direction and direction of light irradiation to the tangible object based on the information, and the wireless Between IC tags
- the data is communicated through waves, etc. to exchange information, and based on the received light information in the received tag information, the light irradiation direction identification means identifies the direction and direction of light irradiation on the tangible object,
- the direction and direction of the posture of the tangible object provided with the wireless IC tag can be specified.
- data communication is performed with radio IC tags using radio waves or the like to exchange information.
- radio waves or the like Based on the received light information in the received tag information, light is irradiated to tangible objects.
- the reader can use the tag, for example, paper, film, or other document media. It can detect the front and back sides and the surface of the document paper on the surface of the bundle when used in a bundled form.
- the light irradiation is performed such that the irradiation area is irradiated with light that is relatively moved or scanned in one direction on one surface of the tangible object. Including means.
- the irradiation area is irradiated with light that is relatively moved or scanned in a certain direction on one surface of the tangible object, so that the reader can perform a plurality of directions'
- a tag having patterns with different light transmittances can be irradiated with light that makes it possible to distinguish the light reception state according to the pattern.
- Tag information including the corresponding received light information can be exchanged with the tag.
- An eighteenth embodiment of the present invention is an information processing apparatus that performs processing such as reading an image on a medium surface of a document or the like using paper or the like as a medium.
- an illumination unit that irradiates light whose irradiation area is relatively moved or scanned in a certain direction on one surface of the medium, and light emitted from the illumination unit
- An image reading unit that optically reads an image on the surface of the medium as illumination light to the medium; and an image reading unit that is attached to or included in a part of the medium, can store information, and is electrically Power can be supplied wirelessly, and further, data communication can be performed by electromagnetic induction or radio waves with a wireless IC tag that has a function of distinguishing and receiving light emitted from a plurality of predetermined directions ′ with respect to the medium.
- a wireless IC tag reader for exchanging information stored in the wireless IC tag, received light information related to light reception, and other tag information, and the wireless IC tag has a plurality of predetermined values for the medium.
- Direction It is possible to extract the received light information obtained by distinguishing the irradiated light, and to identify the direction and direction of light irradiation on the medium based on the information.
- the light irradiation direction identifying means By identifying the direction and direction of the irradiation of the illumination light onto the medium, the direction and direction of the posture of the medium provided with the wireless IC tag can be specified.
- the information processing apparatus such as a digital multifunction peripheral is provided with the tag.
- the tag For example, detection of front and back of paper, film or other document media, and document When used in a bundled form, the surface of the document paper on the surface of the bundle can be detected.
- the reflectance to light is in a one-dimensional or two-dimensional direction!
- the surface that can be changed to form a pattern is not uniform.
- An information processing device that performs processing such as reading an image on a medium, such as a document that uses paper with a wireless IC tag in its orientation as a medium.
- an illumination unit that irradiates light whose irradiation area is relatively moved or scanned in a certain direction on one surface of the medium, and light emitted from the illumination unit
- An image reading unit that optically reads an image on the medium surface as illumination light to the medium, a pattern recognition unit that extracts a specific pattern from the image and recognizes information represented by the pattern, Attached to the medium or included in a part of the medium, information can be stored, and data communication can be performed by electromagnetic induction or radio with a wireless IC tag to which power is supplied wirelessly.
- a wireless IC tag reader that exchanges information stored in the wireless IC tag and other tag information, and the wireless IC tag has a reader power of 1 with respect to the wireless IC tag. 2D or 2D direction
- the pattern recognition unit can extract the predetermined pattern and recognize the information represented by the pattern after performing the communication instructing to form the predetermined pattern, the recognition is performed. Based on the received information, the tag information is exchanged with the wireless IC tag.
- the wireless IC tag reader forms a predetermined pattern with respect to the wireless IC tag that is not uniform in the one-dimensional or two-dimensional direction.
- the pattern recognition means can extract the predetermined pattern and recognize the information represented by the pattern, the wireless IC tag and the tag information of the tag information are based on the recognized information.
- the information processing device can select a wireless IC tag that responds to its own instructions, and in addition to obtaining information from such a tag by electromagnetic induction or radio wave data communication. It can also be obtained with a wireless IC tag pattern.
- an information processing apparatus that performs processing such as printing out an image on a medium such as paper, and the medium that conveys the medium and sends it out of the apparatus
- Conveying means provided attached to or included in a part of the medium, capable of storing information, supplied with power wirelessly, and having a plurality of predetermined direction / direction forces with respect to the medium
- Data communication can be performed by electromagnetic induction or radio waves with a wireless IC tag that has a function of distinguishing and receiving irradiated light, information stored in the wireless IC tag, received light information related to reception of the light, and other information
- a wireless IC tag reader for exchanging tag information, and a light irradiating means for irradiating light onto a surface to be printed on the medium, and the medium conveying means conveys the medium at the time of print output.
- the light irradiating means irradiates light during the operation, and based on this, at least information stored in the wireless IC tag in the
- the light irradiating means emits light when the medium conveying means is conveying the medium, and at least the wireless IC tag in the tag information is recorded thereunder.
- an information processing device such as a printer can distinguish light reception states according to the patterns for tags having patterns with different light transmittances in a plurality of directions. It is possible to irradiate light that makes it possible, and tag information including light reception information corresponding to a light reception signal of a tag that has received the irradiation light can be written to the tag or tag force can also be read and exchanged.
- the confidential information itself or its Information for accessing confidential information is stored in the wireless IC tag, and information other than confidential information is printed as an image on the medium such as paper. .
- the confidential information is itself or information for accessing the confidential information (for example, the network address when the confidential information is located at a site on the network).
- Site name, file name, nose word, etc. are recorded on the wireless IC tag, and on the medium such as paper, information other than confidential information is printed as an image so that anyone can see it.
- confidential information can be stored in a tag with a security function and printed matter can be produced.
- a printed matter provided with such a tag is copied by a copying machine not equipped with a reader, or copied without knowing a password for confidential information, it is recorded in the tag.
- Confidential information is not visible, but only visible images are copied, just like general copying.
- a person who knows the password for confidential information can copy the visible image of the confidential information on a visible image, or print only the confidential information as a separate document.
- the functions related to the authority are made different depending on the authority level for the confidential information held by the password.
- the wireless IC tag according to the present invention can perform data communication with a reader by radio waves, and each of the front and back surfaces of the tag
- a light receiving element is embedded in a recording medium (document paper) such as printing paper, printing paper, or other paper for document will be described.
- FIG. 1 is a schematic diagram of a document sheet in which the present tag is embedded.
- FIG. 1A shows an upper surface thereof, and
- FIG. 1B shows an enlarged cross section taken along line A1 in FIG. 1A.
- the wireless IC tag 1 is embedded in the paper thickness of the document paper 2.
- the paper sheet 2 is embedded in the tag 1, and the thickness of the paper sheet 2 is reduced at the portion (2A) facing the front surface la or the rear surface lb of the tag 1, and the document paper 2
- the light outside can be transmitted to the tag 1 through the point (2 A).
- FIG. 2 schematically shows the wireless IC tag 1.
- FIG. 2A is a top view
- FIG. 2B is a cross-sectional view taken along line A2 in FIG. 2A
- FIG. 2C is a bottom view.
- a circuit element group 4 constituting the wireless IC tag 1 is mounted on the circuit board 3. ing.
- the light receiving element 5 is mounted on the front surface side of the circuit board 3 so that the light receiving portion faces the front surface of the wireless IC tag 1 (referred to as the tag front surface) la side. It is an element that receives external light on the front surface la.
- the light receiving element 6 is mounted on the back side of the circuit board 3 with the light receiving portion facing the back side (referred to as tag back side) lb of the tag 1 and receives external light to the tag back side lb.
- a photodiode is used as the light receiving element. Since the circuit board 3 of the wireless IC tag 1 embedded in the document paper 2 is substantially parallel to the document paper 2, the light receiving portion of the light receiving element 5 faces one side of the document paper 2 and the light receiving element 6 The light receiving part will face the other side.
- the tag cover 7 holds the circuit board 3 on which the light receiving elements 5 and 6 and other circuit elements are mounted, and is provided with a resin for blocking the influence of humidity such as external force.
- the force bar made of the material, and the portion where the light receiving portions of the light receiving elements 5 and 6 face is formed to be transparent, thereby forming a light transmission window 8 through which light from the outside of the document paper 2 can be transmitted.
- the other portions are formed opaque so that the light of the external force of the document paper 2 does not pass through the inside of the wireless IC tag 1.
- a light-transmitting part that transmits light from the light transmitting window 8 to the inside of the wireless IC tag 1 is provided without directing the light receiving portions of the light receiving elements 5 and 6 to each surface of the document paper 2, and the light is transmitted through the transmitting part.
- a configuration in which the light is guided to the light receiving portions of the light receiving elements 5 and 6 may be employed.
- FIG. 3 is a block diagram showing a configuration of a circuit block of the wireless IC tag 1 including the light receiving elements 5 and 6 and the circuit element group 4.
- the antenna 9 is provided inside the document paper 2 (not shown in FIG. 1) in this embodiment, and the wireless IC tag 1 is a wireless IC located outside the document paper 2.
- Information received from a tag 'reader (including those that have a write function; simply called a reader) via radio waves and stored in the memory described later, and its functions It is used to perform data communication that exchanges information related to operation control and other tag information using radio waves.
- the power generation circuit 10 rectifies and smoothes the current excited in the antenna 9 by the received radio wave carrier wave, and uses the power generated by the current as a power source for the circuit of the wireless IC tag 1.
- the power supply generation circuit 10 has a certain level of power storage function, which Even after the radio wave is cut off, the tag 1 circuit can be operated for a predetermined time or longer.
- the demodulation circuit 11 is a circuit that demodulates a signal modulated by a radio wave carrier wave received by the antenna 9, and the demodulated signal is supplied to a control circuit 12 described later.
- the modulation circuit 13 modulates a radio carrier wave with a signal output from the control circuit 12 and to be transmitted to the reader, and gives the modulated radio carrier wave to the antenna 9. Then, the modulated radio carrier wave is radiated to the outside through the antenna 9.
- the memory 14 is a storage element that holds at least a part of the tag information (in this embodiment, information stored in the memory 14 that is in a state where external force is also read / written is called memory information. In this embodiment, it is assumed that the storage element can rewrite data held therein, and that the data is read / written by the control circuit 12. Note that the memory information may include information (referred to as light reception information) indicating a light reception state in the wireless IC tag 1, which will be described later, and is included in the present embodiment.
- the light receiving element (front) 5 is the light receiving element 5 mounted in FIG. 2 with the light receiving portion facing the tag front surface la, and the external force of the tag 1 irradiates the tag front surface la.
- the emitted light is supplied to the control circuit 12 as an electrical signal.
- the light receiving element (back) 6 is the light receiving element (back) 6 mounted in FIG. 2 with the light receiving portion facing the tag back surface lb.
- the external force of tag 1 reflects the light irradiated to the tag back surface lb. It is given to the control circuit 12 as an electric signal.
- the control circuit 12 uses the demodulation circuit 11, the modulation circuit 13, the memory 14, and the light receiving elements 5 and 6 as input / output, processes the input / output signals to / from them, and functions / operates the tag 1. Control the work. In addition, the functions and operations of the tag 1 can be controlled to perform data communication with the reader using radio waves.
- the memory switching circuit 15 in the control circuit 12 switches the memory information that the control circuit 12 reads out the memory 14 force according to the amount of light received by the light receiving elements 5 and 6. The details of the memory switching circuit 15 will be described next.
- FIG. 4 shows a circuit configuration of the memory switching circuit 15 and the memory 14.
- integrators 16 and 17 integrate a signal corresponding to the amount of light received by light receiving element 5 or 6 with a predetermined time constant (about 0.3 seconds). Filter high frequency components in the signal. As a result, a signal corresponding to the amount of received light at a predetermined time average is obtained. [0106]
- the subtractor 18 calculates the back surface of the tag obtained by the light receiving element (back) 6 and the integrator 17 from the received light quantity of the tag front surface la obtained by the light receiving element (front) 5 and the integrator 16. lb Subtract the amount of received light. Then, the absolute value calculator 19 obtains the absolute value of the subtraction result.
- the subtractor 18 and the absolute value calculator 19 calculate the absolute value of the difference between the received light amount of the tag front surface la and the received light amount of the tag back surface lb, regardless of any of them. A signal corresponding to is obtained.
- the first comparator 20 compares the voltage of the input analog signal and outputs a digital signal.
- the output digital signal is received from the tag front surface la with the received light amount of the tag back surface lb.
- the high voltage which means the high voltage of the digital circuit signal, also referred to as “H”
- the received light amount on the front surface of the tag la, the back surface of the tag and the low voltage (digital circuit signal) Means low voltage, also written as "L").
- the second comparator 21 outputs a high voltage (“H”) digital signal when the signal corresponding to the absolute value of the difference is equal to or higher than a predetermined voltage. That is, when the difference between the amount of light received on the front surface la of the tag and the amount of light received on the back surface lb of the tag is equal to or greater than a predetermined value (this value is called a threshold value), the output digital signal is a high voltage ("H"). Become.
- the D-type flip-flop 22 is used throughout the entire control circuit 12 of the tag 1 at its C terminal, and is a so-called clock signal (Cloc k) is input so that the output signals of the first comparator 20 and the second comparator 21 are also synchronized with the clock signal.
- the frequency of the clock signal (Clock) is set to 1 MHz in this embodiment, and the cycle is longer than the delay time of the elements constituting the digital circuit, and the processing response speed of the tag 1 is designed. Any number is acceptable as long as it meets the specifications.
- the first J-K flip-flop 23 reduces its output Q by a high voltage ("H") of a clear signal (Clear) (described later) given from another circuit in the control circuit 12.
- the output of the second comparator 21 is once set to the high voltage ("H"), that is, the amount of light received on the tag front surface la and the amount of light received on the tag back surface lb.
- the high voltage (“H") is set.
- the state of the high voltage “H” in the output signal X2 of the first J-K flip flop 23 indicates that this tag 1 has received a predetermined light reception on any one surface thereof. It can be regarded as something.
- the signal logic high voltage or low voltage state of the signal
- the second J—K flip-flop 24 also clears its output Q by a clear signal (Clear) given from another circuit in the control circuit 12. Then, after that, the output of the second comparator 21 is at a high voltage ("H"), and during that time, the first comparator 20 once becomes a high voltage ("H"), that is, the tag If the amount of light received on the surface la is greater than the amount of light received on the back side lb, the output is set to high voltage ("H").
- the high voltage “H” in the output signal XI of the second J-K flip flip-flop 24 can be regarded as indicating that the tag 1 has received a predetermined light at its front surface la.
- each of the first J-K flip 'flop 23 and the second J-K flip' flop 24 is set to the JK flip state once the output state is set. 'Until the flop is next cleared, it is held and fixed regardless of the light receiving state of the light receiving elements 5 and 6 during that time.
- the decoder 25 regards the signal combining the output X2 of the first J-K flip 'flop 23 and the output XI of the second J-K flip' flop 24 as a 2-bit binary code. Decode it into 4 different states. In this embodiment, the output signal X2 of the first J-K flip'flop 23 is set to the binary 2's position, and the output signal XI of the second J-K flip'flop 24 is set to the binary 1's position. Input to decoder 25.
- the output Y3 of decoder 25 is output when X2 is at a high voltage ("H") and XI is at a high voltage (“H"), and the output signal Y2 is output at X2 at a high voltage ("H") and XI When is a low voltage (“L”), each becomes a high voltage ("H”).
- the memory 14 is composed of three storage elements (26, 27, 28) in this embodiment, each of which has a data storage capacity of 4,096 bits (4k bits) (accordingly, , Memory information of up to 4,096 bits can be stored), and has a 12-bit address space, and an address (signal Address) is given in common from the control circuit 12.
- a data storage capacity 4k bits
- 4k bits 4k bits
- Memory information 4k bits can be stored
- an address (signal Address) is given in common from the control circuit 12.
- only one of these three storage elements (26, 27, 28) is selected by the signals X2—, Y2 and Y3 from the memory switching circuit 15 described above (so-called chip select).
- the data is output (signal Data), and the data is read by the control circuit 12. It has a configuration that can be used.
- the first storage element 26 is selected by the high voltage (“H") of the signal X2— and the second storage element 27 is selected by the high voltage (“H") of the signal Y2.
- the third storage element 28 is selected by the high voltage (“H”) of the signal Y3.
- the memory 14 can store three types of memory information up to 4,096 bits in this embodiment, and the signals X2—, Y2 and H3 from the memory switching circuit 15 can be stored. That type of switching takes place.
- the memory information (first type) stored in the first storage element 26 is the memory information stored in the first memory information and the second storage element 27.
- the information (second type) is referred to as second memory information
- the memory information (third type) stored in the third storage element 28 is referred to as third memory information.
- Table 1 shows the relationship between the amount of received light on the tag front surface la and the tag back surface lb and the degree of difference between them and the first J-one K flip 'flop 23 (first J—K'FF ) Output signal X2 and second J-K flip flop 24 (second J-K-FF) output signal XI and the selection of the three memory elements (26, 27, 28) that make up memory 14 The correspondence between the state and the received light information stored in each storage element is shown.
- the output signal X2 of the 1st J—K'FF is “L” (low voltage )
- the difference in the amount of light received between the tag front surface la and the amount of light received on the back surface lb of the tag is small.
- the memory 14 indicates that the first storage element 26 is selected.
- the first storage element 26 has [Light reception information 1] (for example, the numerical value 1)
- the second storage element 27 has [Light reception information 2] (for example, the numerical value 2).
- the third storage element 28 indicates that [received light information 3] (for example, the numerical value 3) is stored as part of the memory information stored therein.
- the light reception information is information indicating a light reception state in the wireless IC tag 1, and [Light reception information 1], [Light reception information 2], and [Light reception information 3] correspond to each light reception state.
- the data are different from each other (in this embodiment, values).
- the memory switching circuit 15 outputs the signals X2 ⁇ , Y2, and ⁇ 3 according to the light reception signal (output signal of the light receiving elements 5 and 6) generated when the wireless IC tag 1 receives light.
- the type of the memory information including the received light information is switched by the signals X 2—, ⁇ 2 and ⁇ 3 corresponding to the received light signal. Therefore, it is possible to identify and know the state of the light reception signal in the tag 1 according to the data of the light reception information included in the memory information output from the memory 14.
- control circuit 12 including the memory switching circuit 15 described above controls the function 'operation of the wireless IC tag 1 and performs data communication with the reader using wireless radio waves.
- Table 2 shows the response to the information (referred to as an inquiry command or simply a command) used for data communication, and the relationship of the response operation of tag 1 to that command.
- a tag detection command is an inquiry command including information for detection in order to detect that the wireless IC tag 1 has entered within the communicable range of the reader. It shows that.
- the received light information in tag 1 is marked with a circle for each command.
- tag 1 indicates that tag 1 responds only when [light reception information 1], [light reception information 2] and [light reception information 3]). For example, in response to a tag detection command, tag 1 does not receive the received light signal regardless of whether the received light information of tag 1 is [received light information 1], [received light information 2], or [received light information 3]. It responds to the reader regardless of the status, and responds to the reader when the received light information is either [received light information 2] or [received light information 3] in response to the read completion command. When the received light information is 1], it indicates that no response is made.
- the wireless IC tag 1 when the wireless IC tag 1 receives a radio wave having a reader power, the response operation depends on the command to which the reader power is also transmitted and the light reception information, that is, the tag 1 It differs depending on the status of light reception.
- a digital multi-function peripheral that has a built-in reader, reads an image on the surface of document paper 2 into a document, prints the document on another sheet of paper, and copies the document.
- An example will be described in which an image on the paper surface of document paper 2 provided with 1 is read and used as a printed document.
- FIG. 5 is a diagram showing a schematic configuration of the digital multi-function peripheral in the present embodiment.
- This digital multi-function peripheral 100 is provided with an image scanner 101 as an image reading section thereof as in the case of a conventional general copying machine.
- Reading is performed while moving (scanning) the image reading area relative to the document sheet 2 to be read.
- the image reading scanner 102 has a linear light source for reading the image, and moves (scans) the irradiation area relative to the document sheet 2 together with the image reading area.
- the image reading scanner 102 is moved, the document sheet 2 is placed on a transparent glass plate 37 as a document table.
- the image reading scanner 102 is disposed below the glass plate 37 and is attached so as to be able to reciprocate in the direction of arrow 103.
- the image reading scanner 102 moves to the glass plate 37 while moving in the direction of arrow 103. Illuminates the entire surface of the document paper 2 placed and photoelectrically converts the reflected light image. As a result, the image scanner 101 acquires the image data of the document.
- an automatic document feeder 104 that also serves as a document table cover is used.
- the image reading scanner 102 is temporarily fixed below the other glass plate 105 disposed on the top surface of the image scanner 101.
- the automatic document feeder 104 feeds a plurality of document sheets one by one onto the glass plate 105, so that the image reading scanner 102 moves relative to the document sheet.
- the image scanner 101 obtains the image data of the original paper strength of the document paper.
- the digital multifunction peripheral 100 includes an image forming unit 106 below the image scanner 101.
- the image forming unit 106 accumulates image data obtained by the image scanner 101, transfers the image data via a network, and transmits a facsimile. Send or print on print paper.
- FIG. 6 is a diagram showing an example of a state in which document paper is placed on the platen of the digital multifunction peripheral.
- document paper 2 is placed on glass plate 37.
- the longitudinal direction of the document sheet 2 is arranged in a horizontal direction parallel to the arrow 102 direction, and the wireless IC tag 1 is located near the standby position of the image reading scanner 102. Therefore, the wireless IC tag 1 is also illuminated by the image reading scanner 102 shortly after the reading is started.
- the wireless IC tag 1 operates according to a command from a reader built in the digital multi-function peripheral.
- FIG. 7 is a diagram showing an example of a schematic configuration of an information processing circuit in the digital multi-function peripheral.
- the digital multifunction peripheral 100 includes an information processing circuit 200 for controlling the entire apparatus.
- the information processing circuit 200 a general-purpose processing circuit having a CPU 201, a RAM 202, and a ROM 203 can be used.
- the CPU 201 is connected to the RAM 202 and the ROM 203 through the bus 204, reads the code of the control program 205 stored in the ROM 203, and controls the entire apparatus.
- a node 204 is connected to the display 209, the image reading scanner 102, and the reader 210 via the interface circuits 206, 207, and 208, respectively.
- the CPU 201 inputs / outputs these devices via the bus 204 according to the commands of the control program. To control.
- the display 209 is arranged on the operation panel of the digital multi-function peripheral 100, and displays a screen on which the user operates the multi-function peripheral 100 and notifies the user of information according to the control of the CPU 201. indicate.
- the image reading scanner 102 turns on the light source 211 under the control of the CPU 201 and illuminates the paper surface of the document paper 2 placed on the document table. When a plurality of document sheets 2 are bound, the surface of the document sheet 2 that is in the forefront with respect to the light source 211 among the document sheets 2 is illuminated.
- the reader 209 performs wireless communication with the wireless IC tag 1 embedded in the document sheet 2.
- a command is sent to the wireless IC tag 1 within the communication range, and the wireless IC tag 1 operates according to the command, and responds to the command when necessary.
- the wireless IC tag 1 embedded in a plurality of document sheets 2 is within the communication range of the reader 209, if the front side of the document sheet 2 is illuminated with respect to the light source 211, the document sheet Power is applied only to the wireless IC tag 1 embedded in 2. Responds to the above read completion command.
- FIG. 8 is a diagram showing a command sequence between the digital multifunction peripheral 100 and the wireless IC tag 1 for explaining the operation of the wireless IC tag 1 of the present embodiment.
- the reader built in the digital multi-function peripheral 100 usually includes information for detection in order to detect that the wireless IC tag 1 has entered within the communicable range.
- the inquiry command (referred to as a tag detection command) is used as communication data, and radio waves are repeatedly emitted at regular intervals (step Sl in Fig. 8; hereinafter simply referred to as S1; the same applies to other steps).
- the wireless IC tag 1 modulates the received radio wave into the radio wave.
- the demodulating circuit 11 demodulates the received signal, the demodulated signal is processed by the control circuit 12 to receive data from the reader 209, and the communication data received from the reader is identified as a tag detection command.
- tag information based on the memory information is transmitted to the reader in response to the command regardless of the type of light reception information of tag 1 as shown in (Table 2) (S2).
- the reader when the reader receives tag information from the wireless IC tag 1 as a response to the detection command transmission, the reader detects that the document sheet 2 is placed on the document table. Then, the digital multi-function peripheral 100 can perform necessary processing control based on the received tag information.
- the digital multi-function peripheral 100 ignores the light reception information included in the tag information at this time and does not perform any special process control.
- the wireless IC tag provided on each document sheet 2 is used.
- Each of the groups 1 responds to the reader, but at this point in time, the reader 209 has no problem because there are multiple responses if it can detect that the document sheet 2 is placed on the document table.
- the digital multifunction peripheral 100 when the digital multifunction peripheral 100 knowing that the document sheet 2 is placed on the document table is instructed by an operator or the like to start copying, the digital multifunction peripheral 100 starts with the built-in reader 209. Then, an inquiry command including information indicating the start of image reading (referred to as a reading start command) is transmitted as communication data to the wireless IC tag 1.
- a reading start command information indicating the start of image reading
- the control circuit 12 when the wireless IC tag 1 determines that the communication data from the reader 209 that received the data is a read start command, the control circuit 12 generates a clear signal (Clear) in a pulsed state for a predetermined time. ("H"). This causes the first J-K flip 'flop 23 and the second J-K flip' flop 24 to clear their outputs to a low voltage (“L”), so the memory 14 is ( As shown in Table 1), in the case of this embodiment, the first memory element 26 is selected, and the first memory information including [light receiving information 1] becomes the memory information.
- the light receiving element 5 receives the light to the front surface la, and the light to the back surface lb. And the presence and direction of the difference in the intensity of light on the front surface la and the back surface lb. Can be generated in the memory switching circuit 15, but at this time, the illumination for image reading in the digital multifunction peripheral 100 is not lit, and the light receiving element 5 and the light receiving element 6 In both cases, the force that receives the ambient light around the MFP 100 and receives the same amount of light at the room light level is almost no light reception when the platen cover is closed. It has become.
- the state of the signals X2—, Y2, and ⁇ 3 in the memory switching circuit 15 is such that the first memory element 26 is selected in the memory 14 that is not changed by the received light signal, and the first memory information is stored in the memory 14 It remains informational. This state is maintained until the state of signals ⁇ 2 ⁇ , ⁇ 2, and ⁇ 3 due to subsequent reception of the wireless IC tag 1 changes.
- the wireless IC tag 1 that has received the read start command has the memory information as the first memory information and the light reception information power S [light reception information 1].
- tag information is transmitted to the reader 209 based on the first memory information which is memory information (S3).
- the control circuit 12 of the tag 1 receives the first J-K flip. 'Clear' flop 23 and second J-K flip 'flop 24 is considered complete.
- the reader 209 receives a response from a plurality of tags 1 for a predetermined time so that it can cope with a case where there are a plurality of document sheets 2 placed on the platen of the digital multi-function peripheral 100.
- the light reception information ([light reception information 1]) included in each tag information is ignored at this point in time, and no special processing / control is performed.
- the digital multi-function peripheral 100 turns on illumination for image reading, starts scanning the image scanner and illumination, and optically reads an image as a document while irradiating the illumination with the illumination.
- the image is read by the image reading unit.
- the reader 209 supplies power to the wireless IC tag 1 and instructs the tag 1 to receive light in order to prompt reception of illumination light.
- Information containing information Repeatedly emits a radio wave with a command (referred to as a light reception command) as communication data.
- the wireless IC tag 1 does not transmit the tag information without responding to the reception of the light reception command as shown in (Table 2). While the light receiving command is continuously received, the light receiving element 5 and the light receiving element 6 detect the light reception and the memory switching circuit 15 based on the light reception signal generates the signal continuously. . This light reception and signal generation operation is performed after transmitting tag information as a response to the read start command in the previous step S3 until receiving a read completion command (to be described later). This is called a detection period) (S4).
- the wireless IC tag 1 is scanned for illumination for image reading by the digital multifunction peripheral 100, and when the illumination is received by the light receiving element 5 or the light receiving element 6, At that time, one light receiving element facing the irradiation direction receives stronger light than the other light receiving element, so that the output signal X2 of the first J-K flip flop 23 is set to a high voltage ("H"). Do it.
- the document placed on the platen of the digital multifunction peripheral 100 is, for example, a document in which a plurality of sheets are bound, the top of the bound sheets facing the direction of illumination irradiation. Only the wireless IC tag 1 provided on the document paper 2 on the front side is illuminated, and the output signal X2 of the first J-K flip 'flop 23 described above is set to a high voltage ("H"). I do. In this way, if tag 1 is provided on document paper 2 that is not at the top of the document, its signal X2 will not be set to a high voltage ("H") even when the multifunction device is illuminated by 100 lights.
- the threshold value of the second comparator 21 is set. It should be noted that the threshold value of the second comparator 21 is set so that the tag 1 can be set to have a variable value according to the command information from the reader 209.
- the memory 14 of the wireless IC tag 1 that has received the illumination has selected the second or third storage element, and the second memory information or the third memory element is selected.
- Memory information becomes memory information (S5).
- the reader 209 transmits an inquiry command (referred to as a read completion command) including information indicating completion of image reading to the tag 1 as communication data. .
- the wireless IC tag 1 receives the read completion command ( As shown in Table 2), tag information based on the second memory information or the third memory information is transmitted to the reader 209 as a response to the command (S6).
- each of the groups 1 receives the read start command and selects the first storage element 26 in the memory 14.
- the digital multifunction peripheral 100 reads the image, only the tag 1 that receives illumination for reading the image switches the selection in the memory 14 to the second or third storage element.
- the other tag 1 that did not receive the illumination maintains the selection of the first storage element without switching the selection of the storage element in the memory 14. Therefore, even if there are multiple document sheets 2, the wireless IC tag 1 that has received the illumination is selected as the first memory element and becomes the first memory information power. As shown in (Table 2), do not return a response to reader 209 in response to the read completion command.
- the wireless IC tag 1 that has received the illumination keeps the state in which the received light information is updated with the memory information being the second memory information or the third memory information, and therefore transmits.
- the tag information is based on the second memory information or the third memory information.
- the reader 209 is able to use the power placed on the platen of the digital multi-function peripheral 100.
- the reader 209 irradiates illumination.
- the tag information is received from the wireless IC tag 1 provided on the uppermost document sheet 2 facing in the direction of.
- the received light information power [received information 3] is included in the tag information
- the document sheet 2 faces the front surface in the direction of illumination irradiation.
- [Light reception information 2] the document sheet 2 is placed on the document table with the back side facing the direction of illumination, and the document sheet 2
- This detection may be performed by the reader 209 or the information processing circuit 200.
- the digital multi-function peripheral 100 turns off the illumination for image reading, and completes reading of one image by the image reading unit.
- the tag is attached to the direction.
- the tag information depends on the direction of the tangible object (for example, paper 2).
- the information can be different for each direction in which the tangible object is placed (for example, the front and back sides of the paper sheet 2) as many as the number of directions in which external light can be received.
- the reader 209 and the information processing circuit 200 can detect the presence / absence of document paper 2 and the like, and by setting the irradiation direction and direction in advance, the direction / direction (in which the document paper 2 is placed) For example, the orientation of the front side or the back side of the paper 2 can be known at the same time.
- such a wireless IC tag is provided with an illumination for reading a document when the document is copied, even in a case where a plurality of document sheets 2 are bundled. Only the document paper 2 tag facing the platen to which light is applied responds to the illumination light and responds to the reader 209, while other document paper 2 tags that are not under the specified lighting conditions do not respond. As a result, it is possible to detect only tags under a predetermined lighting condition in which there is no data collision between multiple tags that have received radio waves, etc. It is possible to place a stack of document sheets 2 on the document table without separating the documents one by one.
- the digital multi-function peripheral 100 is, for example, a printing paper in which a plurality of document sheets 2 are printed on both sides, and each document sheet 2 is set to copy only the back side of each document sheet 2.
- the tag information on the back side of the front side can be distinguished from the tag information on the front side and the tag information on other document papers 2.
- the tag information includes control information of the digital multifunction peripheral 100 and overlay image data
- the digital multifunction peripheral 100 can operate according to the tag information on the back side of each document sheet 2. Even if the back side force of the document sheet 2 is an S color image and the front side is a monochrome image, the digital multifunction peripheral 100 can perform color printing by referring to the tag information on the back side.
- the digital multi-function peripheral 100 detects that the back side of each document sheet 2 has been read
- the digital information processing device 200 controls the information processing circuit 200 to display that the back side image reading has been completed on the display 209 or sound a buzzer. Can be notified to the user.
- the image processing of the front side is performed under the control of the information processing circuit 200. It is possible to notify the user that the process has been performed. The user can grasp that the image on the front side of the document sheet 2 has been read by mistake.
- the light reception information (in this embodiment, [light reception information 1], [light reception information 2], and [light reception information 3]) is classified into one of three states (values) in this embodiment.
- the power shown in the information may be further refined (more) that category.
- the received light information data indicates the state (combination) of the processed signals (signals XI and X2) obtained by processing the received light signal generated when the wireless IC tag 1 receives light.
- the sign (numerical values 1, 2, and 3) is used to indicate or represent the signal status of the received light signal itself (for example, the voltage value of each received light signal). As a matter of fact, including information indicating or representing the state.
- tag 1 By detecting and processing the received light signal in this manner, it is possible to more accurately detect the presence and direction of illumination (received light at tag 1) for illumination with a digital multifunction machine.
- tag 1 can set the setting threshold in the tag 1 circuit as variable according to the command 'information from reader 209, it can be more accurately adapted according to the state of the situation and more accurate. Can be detected.
- the information processing circuit 200 and the reader 209 of the digital multifunction peripheral 100 use the data as a basis. Further, it can operate as a light irradiation direction identifying means for identifying the direction of light irradiation to the medium.
- the wireless IC tag according to the present invention described in the present embodiment (also simply referred to as the present tag in the present embodiment) is similar to the tag of the first embodiment in the data communication with the reader by wireless radio waves.
- the force that is provided with the light transmission window is not uniform in at least one direction with respect to the direction of light transmission and the other. Each of these has a pattern different from each other, and the light receiving element inside the tag It has one.
- a recording medium such as printing paper, printing paper, or other paper for documents.
- FIG. 1 is also used in this embodiment.
- FIG. 9 schematically shows the wireless IC tag 1.
- FIG. 9A is a top view
- FIG. 9B is a cross-sectional view taken along line A2
- FIG. 9C is a bottom view.
- a circuit element group 4 constituting the wireless IC tag 1 is mounted on the circuit board 3.
- the light receiving element 29 is a photodiode, and is mounted on the circuit board 3 together with the circuit element group 4. As will be described later, the light receiving element 29 is for receiving light from outside the document sheet 2.
- the tag cover 7 holds the circuit board 3 on which the light receiving element 29 and other circuit elements are mounted, and is a cover made of a resin material for blocking the influence of humidity, etc. of external force. And a portion of the front surface (referred to as the tag front surface) (la) and back surface (referred to as the back surface of the tag) (lb) Light transmitting windows 30 and 31 capable of transmitting light are provided, and the other portions are formed opaque so that light of external force of the document paper 2 does not pass through the inside of the tag 1!
- the light transmission windows (30, 31) that form part of the tag cover 7 are used to further transmit external light to the wireless IC tag 1 into the tag 1 using transparent resin as a material.
- the transmissivity of the force light is low in the white areas (W and w) shown in the figure, and the dark and shaded areas (B) are low.
- the light transmittance pattern is different between the front surface (la) and the back surface (lb) of the tag 1 in the direction of the line A2, as shown.
- the patterns are arranged in the order of w—B—W—B—w in the direction of the line A2, with the center being W in the light transmitting window 30 on the tag front surface la.
- the central part is B, and it is arranged in the order of W—B—W. Where w is narrower than W.
- the light guide member 32 is a transparent resin, and the arrangement and shape as shown in FIG. Due to the difference in the refractive index of the light outside, the external light to the wireless IC tag 1 that has passed through the light transmission window (30, 31) is incident on the member as indicated by the two-dot chain arrow in the figure, The incident light is reflected by the inner surface of the member, and the reflected light is emitted to the light receiving portion of the light receiving element 29 outside the member, and the external light to the tag 1 is reflected to the light receiving portion of the light receiving element 29. It can lead to By this light guide member 32, the light receiving element 29 can also receive the shifted light transmitted through the light transmission window 30 or the light transmission window 31.
- FIG. 10 is a block diagram showing a circuit configuration of the wireless IC tag 1 including the light receiving element 29 and the circuit element group 4.
- the antenna 9, the power generation circuit 10, the demodulation circuit 11, the modulation circuit 13, and the memory 14 are the same as those in the first embodiment.
- the light receiving element 29 is a circuit element mounted on the circuit board 3 with the light receiving portion in FIG. 9 facing one end face of the light guide member 32, and the external force of the tag 1 Tag front surface la or tag An electric signal corresponding to the amount of light irradiated to the rear surface lb is given to the control unit 33.
- the control unit 33 is a central processing unit (CPU) that is a microprocessing unit (referred to as a CPU) 34 and a storage element (part relating to a storage area for holding at least part of tag information data). However, in this embodiment, for convenience of explanation, it is constituted by a computer using a memory 35), etc., and the demodulation circuit 11, the modulation circuit 13 and the light receiving element 29 are input and output to and from them. The I / O signal of is processed and the function and operation of tag 1 are controlled.
- the control unit 33 includes an analog Z digital (AZD) conversion 36 that converts the electric signal amount (voltage) output from the light receiving element 29 into a digital value, and the CPU 34 receives light at the light receiving element 29 at appropriate times. The amount of light at that time can be input as a digital value for signal processing.
- CPU central processing unit
- the memory 35 has three storage blocks in this embodiment as in the first embodiment (these are referred to as a first storage block, a second storage block, and a third storage block.
- the information stored in the memory block is called memory information), and each memory block is allocated to a different space in the CPU 34 address space. Separately, the data stored in the block can be read and written.
- Each of the first to third storage blocks has a data storage capacity of 4,096 bits (4k bits), and therefore memory information of up to 4,096 bits is stored.
- the memory information stored in the first storage block is the first memory information and the memory information stored in the second storage block (second ) Is referred to as second memory information, and memory information stored in the third storage block (third type) is referred to as third memory information).
- the first memory information is [light reception information 1] (for example, numerical value 1)
- the second memory information is [light reception information 2] (for example, numerical value 2)
- the third memory information is [light reception information 3].
- the numerical value 3 is stored as part of the memory information stored as received light information.
- the light reception information is information indicating a light reception state in the wireless IC tag 1, and [Light reception information 1], [Light reception information 2], and [Light reception information 3] correspond to each light reception state.
- [Received light information 2] indicates that the light receiving element 29 received light through the light transmitting window 31 on the tag back surface lb. It has established.
- [Light receiving information 3] defines that the light receiving element 29 has received light through the light transmitting window 30 on the tag front surface la.
- [Received light information 3] is defined as indicating that neither of these states is present.
- control unit 33 including the CPU 34, the memory 35, etc.
- it controls the function / operation of the wireless IC tag 1, and communicates data with the reader 209 by radio waves. Is something that can be done.
- the relationship between the information used for the data communication (inquiry command or simply command) and the operation of the tag 1 response to the command is the same as in the first embodiment (Table 2). Is used.
- the wireless IC tag 1 receives a radio wave from the reader 209
- the response operation is different between the command transmitted from the reader 209 and the received light information as in the first embodiment. In other words, it depends on whether the tag 1 receives light.
- Fig. 11 shows an enlarged cross-section (corresponding to Fig. 1B) of the document sheet 2 with the wireless IC tag 1 embedded on the platen of the digital multifunction peripheral (image scanner) 100. It is a schematic diagram shown.
- document paper 2 to be image-read is placed on a glass plate 37.
- the image scanner then reads the image through the glass 37 while applying the illumination for reading the image.
- the shading plate 38 provided inside the image scanner has a predetermined width on a part of the plate that does not transmit light.
- WL It has an opening part (longer than that of the light transmission window (30, 31) of the wireless IC tag 1), and light (light ray 39) and document paper with illumination power only in the opening part.
- the reflected light from 2 is allowed to pass, and at least light from the illumination (light ray 39) can be blocked from the document paper 2 except for the opening.
- the image scanner moves the opening portion of the light shielding plate 38 in the direction of the arrow 40 along with the movement (scanning) of the image reading region and the illumination region, and illuminates the image through the opening portion while illuminating the image. Can read.
- the end 38g of the opening portion of the light shielding plate 38 is formed to have a certain degree of sharpness, and when the tag 1 receives light (light ray 39) with illumination power, the movement of the end 38g is not performed.
- the presence / absence of the light received by Tag 1 before and after (the difference in the amount of light received) is made clear.
- the reader 209 is built-in, the image on the paper surface of the document paper 2 is read as a document, and the document is printed on another sheet of paper.
- tag 1 when digital multifunction peripheral 100 that performs copying reads the image on the paper surface of document paper 2 provided with tag 1 to produce a document for printing will be described.
- the command sequence between the digital multifunction peripheral and the wireless IC tag 1 in this embodiment is almost the same as that in the first embodiment, and will be described with reference to FIG.
- step 2 is the same as in the first embodiment.
- an inquiry command (referred to as a reading start command) including information indicating the start of image reading is transmitted to wireless IC tag 1 as communication data.
- the wireless IC tag 1 determines that the communication data from the reader 209 that has received the data is a read start command
- the CPU 34 sends the first received light reception information 1 to the memory 35.
- memory information is read and written as the memory information.
- wireless IC tag As shown in (Table 2) 1 responds to the command and transmits tag information to the reader 209 based on the first memory information which is memory information (S3).
- S3 memory information
- each document sheet 2 is loaded as in the first embodiment.
- Any of the provided wireless IC tags 1 responds to the reader 209. However, as will be described later, there is no problem due to a plurality of responses.
- the control unit 33 of the tag 1 receives the first memory information capacity memory. It is considered that the information has been read and written.
- the reader 209 receives a response from a plurality of tags 1 for a predetermined time so that it can cope with a case where there are a plurality of document sheets 2 placed on the platen of the digital multi-function peripheral 100.
- the light reception information ([light reception information 1]) included in each tag information is ignored at this point in time, and special processing is controlled accordingly.
- the digital multi-function peripheral 100 turns on illumination for image reading, starts scanning the image scanner and illumination, and optically reads an image as a document while irradiating the illumination with the illumination.
- the image is read by the image reading unit.
- the reader 209 supplies power to the wireless IC tag 1 and instructs the tag 1 to receive light in order to prompt reception of illumination light. It emits radio waves repeatedly using a received command containing information as communication data at regular intervals.
- the wireless IC tag 1 does not transmit the tag information without responding to the reception of the light reception command as shown in (Table 2).
- the detection of the light reception by the light receiving element 29 and the strength of light reception based on the light reception signal are continuously performed while the light reception command is continuously received.
- This light reception and signal generation operation is performed during the light reception detection period until the reception of a read completion command described later (S4) after transmitting tag information as a response to the read start command in the previous step S3. ).
- the light receiving element 29 outputs a signal corresponding to the amount of light received, and scanning of the illumination for image reading by the digital multifunction peripheral is performed.
- the output signal of Fig. 4 shows a temporal change according to the light transmittance pattern of the light transmission window (30, 31).
- FIG. 12 is a schematic diagram for explaining the temporal change of the amount of light received by the light receiving element 29 accompanying the scanning in the direction of the arrow 40 of the illumination of the image scanner.
- FIG. 12A shows the temporal change in the amount of light received when the image of the front surface of the document sheet 2 is read, that is, when the front surface la of the tag 1 is directed to the image scanner.
- FIG. 12B shows the temporal change in the amount of light received when the back side of document paper 2 is scanned, that is, when the back side lb of tag 1 is directed to the image scanner.
- the amount of light received by the light receiving element 29 of the wireless IC tag 1 indicates the light transmission window (30, 31) of the tag 1 when the scanning movement of the illumination of the image scanner (direction of arrow 40) is performed.
- the time when the part of the light shielding plate 38 is other than the opening is approximately 0 (zero) because the light beam 39 is blocked by the light shielding plate 38 and does not reach the light transmission window (30, 31).
- the amount of received light varies with the movement of the end 38g of the light shielding plate 38 relative to the light transmission window (30, 31).
- the entire light transmission window (30, 31) eventually faces the opening of the light shielding plate 38, the amount of light received at that time is maintained. After that, when the portion of the light shielding plate 38 with respect to the light transmission window (30, 31) moves away from the opening partial force, the opposite aspect is exhibited.
- the amount of light received by the light receiving element 29 is the light transmission window (30, 31).
- the high light transmission ratio (W and w) is proportional to the area covered by the opening, and changes as shown in the graph in the figure according to the movement of the opening ( Increase or decrease. This change is called received light change).
- the change in the received light varies depending on the light transmittance pattern of the light transmission window (30, 31).
- the light reception graph in FIG. 12 is shown in FIGS. 12A and B. Will be different.
- the CPU 34 detects the change in the amount of light received by the light receiving element 29 during the light reception detection period, and the difference in the change, that is, the light reception of FIGS. 12A and 12B in the light reception graph of FIG. By identifying the difference in change, the illumination light is transmitted through the light transmitting window 30 and the light transmitting window 31. It can be determined whether the deviation has been transmitted.
- the CPU 34 determines that the illumination light has passed through the light transmission window 30, if the front surface of the document paper 2 is directed to the image scanner, the illumination light passes through the light transmission window 31.
- the control unit 33 has a function as a light irradiation direction identification means in the wireless IC tag 1 by the CPU 34 or the like.
- the absolute value of each unit amount on the vertical axis (light reception amount) and horizontal axis (time) of each light reception graph in FIGS. 12A and 12B is determined to be one value because it depends on the conditions at times.
- the identification by the CPU 34 can be determined.
- the scanning speed of the illumination of the image scanner varies depending on the product specifications for the image reading speed of the digital multi-function peripheral 100, so the absolute value (time) of the horizontal axis (time axis) cannot be specified. . Therefore, in the light transmission window 30 (W part and B part are arranged in the order of w-B-W-B-w, where W is the central part), w which is narrower than W is provided at the edge of the window. The start and end times of light reception at the light transmission window 30 accompanying the illumination scan can be reliably detected. (If part B is connected to the edge of the window, the detection of the point when the illumination scan is applied to the light reception window is detected.
- FIG. 13 shows a process flow chart of the light irradiation direction identification function as described above in the wireless IC tag 1.
- step 7 (S7) force S9 corresponds to step 4 (S4) in FIG.
- the CPU 34 sequentially receives the received light amount at the light receiving element 29 at predetermined time intervals (in a predetermined cycle) until receiving the light receiving command (S7) and thereafter receiving the reading completion command (S9). Write to memory 35 for temporary storage (S8).
- the CPU 34 has a section in which the rate of change is not substantially changed (the same period between Tl and T2a in Fig. 12A).
- the point where the rate of change has changed greatly (decreased) is detected as time T2a (Fig. 12A) or T2b (Fig. 12B).
- CPU34 continues to recognize the interval where the rate of change is almost unchanged (between TT2a and T3a in Fig. 12A, and between T2b and T3b in Fig. 12B). It is detected as time T3a (Fig. 12A) or T3b (Fig. 12B). In this way, the CPU 34 detects each time from T1 to T6a or from T1 to T4b (S11).
- the detection of each time may be the detection of the time ratio as long as the time between each time can be detected without the necessity of each time being an absolute time.
- the CPU 34 which has detected each time when the rate of change in the amount of received light has changed significantly, next, may take the amount of light received in each section (for example, preferably an average value in the section) between a plurality of sections. ) Is compared to determine whether each section is a partial force of B or a portion of W (S 12).
- the amount of light received in each section may be any index as long as the difference between a plurality of sections can be discriminated.
- the light transmission pattern of the light transmission window (30, 31) is expressed as w ⁇ B ⁇ W ⁇ B ⁇ w for each time for the portion B and the portion W and their arrangement. It is determined whether it is WB W or not, and based on this, it is discriminated whether the light irradiation direction is the tag front surface la or the tag back surface lb (S13).
- the CPU 34 can identify and determine V on both sides of the document paper 2 directed to the image scanner.
- the wireless IC tag 1 is stored including [light reception information 2] based on the determination of the front and back sides of the document paper 2 directed to the image scanner.
- Either the second memory information or the third memory information stored including [light reception information 3] is used as memory information (S5).
- the state in which the second memory information or the third memory information is used as the memory information is until the wireless IC tag 1 subsequently receives and responds to the next tag detection command. It is supposed to be held during.
- the wireless IC tag 1 when the document sheet 2 is placed on the document table with the front surface facing the direction of illumination, the wireless IC tag 1 includes the [light receiving information 3]. 3When the memory information is used as memory information, and the document sheet 2 is placed on the platen with the back side facing the direction of illumination, the second memory information including [Light receiving information 2] is stored in the memory information. And
- the reader 209 transmits an inquiry command (referred to as a read completion command) including information indicating completion of image reading to the tag 1 as communication data. .
- the wireless IC tag 1 in which the second memory information or the third memory information becomes the memory information receives the read completion command, and as shown in (Table 2), As a response, tag information based on the second memory information or the third memory information is transmitted to the reader 209 (S6).
- the document placed on the platen of the digital multifunction peripheral 100 is, for example, a document in which a plurality of sheets are bound, the uppermost of the bound sheets facing the direction of illumination irradiation.
- Only the wireless IC tag 1 provided on the front document sheet 2 is illuminated and performs the above-described operation.
- the tag 1 is provided on the document paper 2 that is not on the top surface of the document, so that the level of the output signal of the light receiving element 29 does not increase even by illumination from the multifunction device 100.
- the sensitivity of the light receiving element 29 is set. Therefore, even if there are multiple document sheets 2, the wireless IC tag 1 that has not received the illumination still has the first memory information as memory information, as shown in (Table 2).
- the response to the reader 209 in response to the read completion command is not returned.
- the wireless IC tag 1 that has received the illumination keeps the state where the light reception information is updated with the memory information being the second memory information or the third memory information, and therefore transmits.
- the tag information is based on the second memory information or the third memory information.
- [Reception Information 2] is displayed. Based on the included second memory information.
- the reader 209 can use the power placed on the platen of the digital multi-function peripheral 100. For example, even in the case of a document in which a plurality of sheets are bound, the reader 209 irradiates illumination.
- the tag information is received from the wireless IC tag 1 provided on the uppermost document sheet 2 facing the direction of the image, and further included in the tag information according to the received light information included in the tag information.
- the light reception information power is [Light reception information 3]
- the document paper 2 is placed on the platen with its front side facing the direction of illumination
- [Light reception information 2] the document paper 2 2 can detect the orientation of the back side of document paper 2 and the one placed on the platen with its back facing the direction of illumination.
- the digital multi-function peripheral 100 turns off the illumination for image reading, and completes reading of one image by the image reading unit.
- the light transmittance in the light transmission window is not uniform in at least one direction with respect to the direction in which light is transmitted, and forms a pattern different from each other. And even if there is one photo detector inside the wireless IC tag, it can detect the front and back of the object in which it is embedded, as in the first embodiment, and Even when used in a bundled form in 2 etc., it is possible to convey information about the surface of the document sheet 2 on the surface of the bundle.
- the light shielding plate 38 is intended to clarify the boundary between the irradiation region of the illumination document sheet 2 and the non-irradiation region to some extent, and therefore, for example, the illumination light quantity distribution itself has a clear boundary. It is possible to distinguish between the case of FIG. 12A and the case of FIG. 12B by obtaining a clear temporal change in the result when the light reception graph as shown in FIG. 12 is obtained. However, it is effective to raise the accuracy of identification by making the temporal change clearer.
- the light transmission window may have a pattern formed by the light transmittance in each of two orthogonal directions.
- FIG. 14 shows the light transmittance in the light transmission window in each of two orthogonal directions.
- FIG. 14A is a top view
- FIG. 14B is a cross-sectional view taken along line A2
- FIG. 14C is a bottom view.
- the light transmitting window 41 and the light transmitting window 42) are part of the tag cover 7 and are made of transparent resin, like the light transmitting windows (30, 31) in Fig. 9.
- the external light to the wireless IC tag 1 is further transmitted to the inside of the tag 1, and the light transmittance is high and shaded in the white part (W) shown in the figure (B ) Is low.
- the light transmittance pattern is different between the front surface (la) and the back surface (lb) of the tag 1.
- the light transmission windows 41 and 42 are different from the light transmission windows 30 and 31 in the light transmittance pattern, and as shown in FIG.
- the arrangement of the W portion and the heel portion in the direction is the same as the direction of the line A3 orthogonal to the portion. That is, in the present embodiment, as shown in the figure, the pattern is the same as the direction of the line ⁇ 2 and the direction of the line A3 orthogonal to the direction of the light transmitting window 41 on the front surface la of the tag.
- the central part is W, and it is arranged in the order of w—B—W—B—w.
- the central part In the light transmission window 42 on the back side of the tag lb, the central part is B, and it is arranged in the order of W—B—W. Yes. Where w is narrower than W.
- the wireless IC tag 1 may be attached to the document sheet 2.
- a wireless IC tag 1 is affixed to each of the front and back sides of document paper 2.
- only the wireless IC tag 1 facing the platen is sent to the reader 209 in response to the read completion command. become.
- This also makes it possible to distinguish between the front side and the back side of the document sheet.
- by providing a pattern in the light transmitting portion as described above it is possible to distinguish the direction in which the document paper is placed.
- the digital multifunction peripheral 100 when the digital multifunction peripheral 100 prints out an image on a medium such as a paper in which the wireless IC tag 1 is embedded as described above, the digital multifunction peripheral 100 further includes a reader for writing the tag information to the wireless IC tag 1. Can be provided.
- the image forming unit 106 forms four images corresponding to each color of cyan, magenta, yellow, and black in order to form a color image on the printing paper stored in the paper cassette 300.
- a forming unit 301 is provided. These image forming units 301 form toner images of each color on the intermediate transfer belt 302, and the four color toner images are overlaid.
- the toner image is transferred onto the printing paper at a transfer portion where the intermediate transfer belt 302 and the transfer roller 303 face each other.
- the registration roller 304 conveys the printing paper fed from the paper feed cassette 300 to the conveyance path 305 to the transfer unit in synchronization with the toner image.
- the fixing unit 306 fixes the toner image transferred to the printing paper.
- a discharge roller 307 discharges printing paper to a paper discharge tray 308.
- the digital multifunction peripheral 100 also includes a reversing unit 309 for duplex printing.
- the reversing unit 309 includes a reversing conveyance path 310 that returns the sheet that has passed through the fixing unit 306 to the upstream side of the registration roller 304. By conveying the sheet to the reverse conveyance path 310, the image forming surface of the sheet is reversed. Double-sided printing can be performed by printing on the other side of the printing paper by inverting the image forming surface by the reversing unit 309 without discharging the paper after printing on one side of the printing paper is completed. .
- the digital multifunction peripheral 100 includes a reader 311 for writing tag information to the wireless IC tag 1 embedded in the printing paper between the fixing unit 306 and the discharge roller 307, and the wireless IC tag 1 A light source 312A.
- a reader 311 and a light source 312A are also connected to the information processing circuit 200.
- a tag information write command is issued without turning on the light source 312 A.
- the wireless tag 1 receives the outside light even when the light receiving elements 5 and 6 are out of alignment! /, N! /, Or the difference in the amount of received light is small.
- the tag information based on the command is written into the first storage element 26.
- the information processing circuit 200 turns on the light source 312A, and the reader 311 sends a tag information write command to the wireless IC tag 1.
- the wireless IC tag 1 writes the tag information according to the command to the third storage element 28 because the light receiving element 5 receives the predetermined light.
- the image forming surface of the printing paper is reversed by the reversing unit 309. After passing through the reverse conveyance path 310, the back side of the printing paper faces the light source 312 side.
- the information processing circuit 200 turns on the light source 312A and illuminates the wireless IC tag 1, and the reader 311 sends a tag information write command to the wireless IC tag 1. send.
- the wireless IC tag 1 writes the tag information based on the command to the second storage element 27 because the light receiving element 6 receives the predetermined light. In this way, different tag information can be written to each of the plurality of storage elements of the wireless IC tag 1.
- the reader 311 reads the tag information from the wireless IC tag 1 in the same manner as when writing the tag information. Can do. You can also rewrite the tag information stored in the wireless IC tag 1! /.
- the digital multi-function peripheral 100 can irradiate light that enables the wireless IC tag 1 to distinguish the light receiving state for a plurality of directions or orientations of the medium, and the wireless IC tag 1 that receives the irradiated light.
- Tag information including light reception information corresponding to the light reception signal at can be written to or read from the wireless IC tag 1 and exchanged.
- the reader 311 In order for the reader 311 to exchange tag information with the wireless IC tag 1 embedded in a medium such as printing paper in this way, the irradiation amount of the light source 312A is prepared in multiple stages, and the wireless IC tag 1 receives light. You may make it distinguish the stage by. By making this distinction, the reader 311 can exchange tag information corresponding to a plurality of directions of the medium with the wireless IC tag 1 without changing the conveyance direction of the medium.
- the digital multi-function peripheral 100 may include a light source 312B that illuminates the printing paper from a surface opposite to the light source 312A.
- the information processing circuit 200 turns off both the light sources 312A and 312B.
- the light source 312A is turned on and the light source 312B is turned off.
- the light source 312A is turned off and the light source 312B is turned on. If these steps are performed before the printing paper is discharged, different tag information can be written in all of the plurality of storage elements even in the case of single-sided printing.
- the tag information corresponding to the side may include printed information indicating that printing has been completed.
- the printed information can be used to make a digital copy of whether that side is printed.
- Machine 100 can distinguish.
- a reader and a light source may be provided immediately upstream of the paper feed cassette 300.
- the digital copying machine 100 can stop the conveyance of the printing paper. Thereby, it is possible to avoid further printing on the printed surface.
- the printed information can also be used when the paper strength image of the printing paper is read and the image is printed.
- the tag information corresponding to the image reading surface does not include printed information, the digital copying machine 100 stops printing the read image on other printing paper. Thereby, useless printing can be avoided.
- the tag information written to the wireless IC tag 1 can include confidential information or access information for accessing the confidential information.
- the access information is, for example, the network address, site name, file name, password, etc. of the site when confidential information is placed on a site on the network.
- the MFP 100 acquires tag information including confidential information or access information from the wireless IC tag 1, when printing the tag information as an image, if it does not satisfy the access conditions, it will be classified from the tag information. Print information without information or access information as an image.
- the access condition is, for example, that the user ID and password match. Confidential information is acceptable if access conditions are not satisfied Not visualized. On the other hand, if the access conditions are satisfied, the tag information including the confidential information or access information is printed as an image.
- the digital multi-function peripheral 100 uses the access information to connect to the site through the network and acquires confidential information. Then, the confidential information acquired from the wireless IC tag 1 itself or the site can be printed with a visible image superimposed on the original image, or only the confidential information can be printed. Furthermore, the functions related to the authority can be varied depending on the authority level for the confidential information of the password. In addition, the handling of confidential information may be different for each of the multiple functions of the digital MFP 100. For example, the access conditions and authority levels can be different for facsimile transmission and image transfer and for print output.
- the reader 209 communicates with the two wireless IC tags 1 until the reading of the image of the original is completed.
- a collision prevention function such as making the time slot different can be provided in the reader 209 so that communication with each wireless IC tag 1 can be performed sequentially.
- the reader 209 can distinguish between the front and back of the two document sheets 2 constituting the spread by the tag information received from the wireless IC tag 1.
- the wireless IC tag 1 embedded in the document paper 2 that does not face the document table does not respond to the read completion command, so a person who copies a two-page spread separates one document sheet from the two-page spread document. It can be placed on the platen as it is.
- the wireless IC tag 1 when the wireless IC tag 1 receives a predetermined radio wave from the reader 209, the tag information is placed in the digital multifunction peripheral 100, so that the direction in which the document sheet 2 is placed is The direction was conveyed to the digital multifunction machine 100. Instead, the light reflectance is one-dimensional. Or, if the document paper 2 is placed using external light reflecting means that has a surface that can be changed to form a pattern that is uniform in a two-dimensional direction in a predetermined direction. The direction / direction may be transmitted to the digital multifunction peripheral 100 or the like.
- FIG. 15 schematically shows still another example of the tag
- FIG. 15A is a top view
- FIG. 15B is a bottom view
- the wireless IC tag 1 includes a liquid crystal display unit 401 on the surface of the tag cover 7.
- the wireless IC tag 1 displays a specific pattern on the liquid crystal display unit 401 in accordance with an instruction from the reader 209 built in the digital multi-function peripheral 100 with a uniform reflectance for light.
- the wireless IC tag 1 displays a plurality of different patterns 402 and 403 on the liquid crystal display unit 401 in accordance with an instruction from the reader 209.
- a force that adopts a non-uniform pattern in the one-dimensional direction It is also possible to adopt a non-uniform pattern in the two-dimensional direction.
- the pattern can be a one-dimensional or two-dimensional barcode pattern.
- the information processing circuit 200 of the digital multi-function peripheral 100 stores in advance in the ROM 203 from the image obtained by reading the paper surface of the document paper 2 after the reader 209 performs communication for instructing the display of the pattern. Extract a pattern that matches one of the specified reference patterns. Since the pattern displayed on the liquid crystal display unit 401 has a uniform reflectance with respect to light, the pattern is included in the read image when illuminated when reading the image. The information processing circuit 200 extracts the pattern from the image.
- the ROM 203 stores, for example, information indicating the direction and orientation of the document paper 2 in association with each reference pattern.
- the information processing circuit 200 extracts a pattern that matches one of the reference patterns
- the information processing circuit 200 reads information associated with the reference pattern from the ROM 203.
- the reader 209 exchanges the tag information with the wireless IC tag 1 based on the read information.
- the read information represents the back surface or front surface of the document paper 2
- the reader 209 can acquire tag information corresponding to the back surface or front surface of the document paper 2.
- the wireless IC tag 1 can have a plurality of liquid crystal display portions 401 in a predetermined direction or direction.
- one liquid crystal display unit 401 may have a plurality of pattern display areas in a predetermined direction or orientation.
- the wireless IC tag 1 has a predetermined reflectance in a predetermined direction in which the light reflectance is uniform in a one-dimensional or two-dimensional direction and can be changed to form a pattern.
- the information processing circuit 200 of the digital multi-function peripheral 100 can select a wireless IC tag that responds to its own instructions, and further, information with such tag power
- the light reflected by a surface can be obtained by a pattern formed by the difference in reflectance at various points on the surface.
- the wireless IC tag of the present invention is used in an information processing apparatus such as a digital multi-function peripheral that reads an image on a paper surface of a document to make a document, prints the document on another sheet, and copies the document.
- a reader that exchanges information with the wireless IC tag can be used in an information processing device such as a digital multifunction device.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07738165A EP2006797A2 (en) | 2006-03-09 | 2007-03-09 | Wireless ic tag, document medium, and information processor |
JP2008505114A JPWO2007105634A1 (ja) | 2006-03-09 | 2007-03-09 | 無線icタグ、書類用媒体及び情報処理装置 |
US12/282,051 US20090051497A1 (en) | 2006-03-09 | 2007-03-09 | Wireless ic tag, document medium, and information processor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006-063886 | 2006-03-09 | ||
JP2006063886 | 2006-03-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007105634A1 true WO2007105634A1 (ja) | 2007-09-20 |
Family
ID=38509457
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/054680 WO2007105634A1 (ja) | 2006-03-09 | 2007-03-09 | 無線icタグ、書類用媒体及び情報処理装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20090051497A1 (ja) |
EP (1) | EP2006797A2 (ja) |
JP (1) | JPWO2007105634A1 (ja) |
CN (1) | CN101395618A (ja) |
WO (1) | WO2007105634A1 (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009160848A (ja) * | 2008-01-08 | 2009-07-23 | Konica Minolta Business Technologies Inc | 画像形成装置、画像形成方法、ならびに、画像形成プログラム |
JP2009160847A (ja) * | 2008-01-08 | 2009-07-23 | Konica Minolta Business Technologies Inc | 画像形成装置、画像形成方法、ならびに、画像形成プログラム |
JP2009160846A (ja) * | 2008-01-08 | 2009-07-23 | Konica Minolta Business Technologies Inc | 画像形成装置、画像形成方法、ならびに、画像形成プログラム |
WO2010097869A1 (ja) * | 2009-02-26 | 2010-09-02 | パナソニック株式会社 | 充電器、電子機器、及び電子機器充電システム |
EP2333701A1 (en) * | 2009-12-02 | 2011-06-15 | Nxp B.V. | Using light-sensitivity for setting a response of an RFID transponder device |
CN101634821B (zh) * | 2008-07-23 | 2012-08-22 | 京瓷美达株式会社 | 图像形成装置以及图像形成系统 |
KR101316976B1 (ko) * | 2009-09-29 | 2013-10-11 | 나그라아이디 시큐리티 에스에이 | 광학 스위치가 있는 포터블 전자 장치 |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006061780A1 (en) * | 2004-12-10 | 2006-06-15 | Philips Intellectual Property & Standards Gmbh | Data carrier with a chip and a plurality of sensors |
US8731297B1 (en) | 2007-09-28 | 2014-05-20 | Amazon Technologies, Inc. | Processing a digital image of content to remove border artifacts |
US8838489B2 (en) | 2007-12-27 | 2014-09-16 | Amazon Technologies, Inc. | On-demand generating E-book content with advertising |
US8098390B1 (en) * | 2008-03-31 | 2012-01-17 | Amazon Technologies, Inc. | On-demand content customization |
WO2011005991A2 (en) * | 2009-07-08 | 2011-01-13 | AEQUITAS Innovation | Systems and methods for prevention of theft of led light bulbs |
JP5664405B2 (ja) * | 2011-03-29 | 2015-02-04 | 富士ゼロックス株式会社 | 無線タグ処理装置 |
JP5842393B2 (ja) * | 2011-06-10 | 2016-01-13 | 富士通株式会社 | 受光デバイス、これを用いた光受信機、及び受光デバイスの製造方法 |
CN104794813B (zh) * | 2014-01-16 | 2018-09-04 | 浙江融创信息产业有限公司 | Ic卡发卡系统、读写机具、黑白名单处理方法及装置 |
JP6175016B2 (ja) * | 2014-03-27 | 2017-08-02 | 京セラドキュメントソリューションズ株式会社 | 画像読み取り装置、および画像処理装置 |
JP6330906B2 (ja) * | 2014-06-26 | 2018-05-30 | 京セラドキュメントソリューションズ株式会社 | 画像読取装置及びそれを備えた画像形成装置 |
JP2016170281A (ja) * | 2015-03-12 | 2016-09-23 | セイコーエプソン株式会社 | 画像形成システム及び連結ユニット |
JP6641889B2 (ja) * | 2015-10-30 | 2020-02-05 | セイコーエプソン株式会社 | 液体吐出装置及び液体吐出システム |
JP2018026805A (ja) * | 2016-08-08 | 2018-02-15 | 日本電産サンキョー株式会社 | 情報読取装置 |
DE102018120103A1 (de) | 2018-08-17 | 2020-02-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Identifikationseinrichtung, Identifikationssystem und Verfahren zur Identifikation eines Objekts |
JP7349376B2 (ja) | 2020-01-28 | 2023-09-22 | 東芝テック株式会社 | 画像形成装置、及びプログラム |
US11361205B2 (en) * | 2020-08-26 | 2022-06-14 | The Hillman Group, Inc. | Duplication device for key fobs |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63242685A (ja) * | 1987-03-31 | 1988-10-07 | 株式会社東芝 | 集積回路カ−ド |
JPS6445691A (en) * | 1987-08-14 | 1989-02-20 | Seiko Epson Corp | Noncontact type ic card |
JPH0326589U (ja) * | 1989-07-25 | 1991-03-18 | ||
JP2003317050A (ja) * | 2002-04-22 | 2003-11-07 | Nippon Signal Co Ltd:The | 非接触icタグ及びリーダライタ・システム |
JP2004249499A (ja) * | 2003-02-18 | 2004-09-09 | Canon Inc | 画像形成システム |
JP2005198032A (ja) * | 2004-01-07 | 2005-07-21 | Global Com:Kk | 無電源rfタグ及び質問器 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5959530A (en) * | 1998-07-29 | 1999-09-28 | Xerox Corporation | Remote computer security system for computers, printers and multifunction devices |
US20040202386A1 (en) * | 2003-04-11 | 2004-10-14 | Pitney Bowes Incorporated | Automatic paper to digital converter and indexer |
US7421111B2 (en) * | 2003-11-07 | 2008-09-02 | Mitsubishi Electric Research Laboratories, Inc. | Light pen system for pixel-based displays |
US20050134462A1 (en) * | 2003-12-10 | 2005-06-23 | Shelley Michael G. | RFID and photovoltaics |
US7454528B2 (en) * | 2004-02-13 | 2008-11-18 | Ricoh Company, Ltd. | Image output apparatus using close range radio contact wherein radio contact element is attached to document on which an image is recorded |
US7154395B2 (en) * | 2004-07-01 | 2006-12-26 | Mitsubishi Electric Research Laboratories, Inc. | Interactive wireless tag location and identification system |
US7483175B2 (en) * | 2005-09-16 | 2009-01-27 | Pitney Bowes Inc. | Method and system for printing secure value documents and non-secure documents utilizing the same printing device |
-
2007
- 2007-03-09 JP JP2008505114A patent/JPWO2007105634A1/ja not_active Withdrawn
- 2007-03-09 CN CNA2007800081789A patent/CN101395618A/zh active Pending
- 2007-03-09 WO PCT/JP2007/054680 patent/WO2007105634A1/ja active Application Filing
- 2007-03-09 US US12/282,051 patent/US20090051497A1/en not_active Abandoned
- 2007-03-09 EP EP07738165A patent/EP2006797A2/en not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63242685A (ja) * | 1987-03-31 | 1988-10-07 | 株式会社東芝 | 集積回路カ−ド |
JPS6445691A (en) * | 1987-08-14 | 1989-02-20 | Seiko Epson Corp | Noncontact type ic card |
JPH0326589U (ja) * | 1989-07-25 | 1991-03-18 | ||
JP2003317050A (ja) * | 2002-04-22 | 2003-11-07 | Nippon Signal Co Ltd:The | 非接触icタグ及びリーダライタ・システム |
JP2004249499A (ja) * | 2003-02-18 | 2004-09-09 | Canon Inc | 画像形成システム |
JP2005198032A (ja) * | 2004-01-07 | 2005-07-21 | Global Com:Kk | 無電源rfタグ及び質問器 |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009160848A (ja) * | 2008-01-08 | 2009-07-23 | Konica Minolta Business Technologies Inc | 画像形成装置、画像形成方法、ならびに、画像形成プログラム |
JP2009160847A (ja) * | 2008-01-08 | 2009-07-23 | Konica Minolta Business Technologies Inc | 画像形成装置、画像形成方法、ならびに、画像形成プログラム |
JP2009160846A (ja) * | 2008-01-08 | 2009-07-23 | Konica Minolta Business Technologies Inc | 画像形成装置、画像形成方法、ならびに、画像形成プログラム |
US8994982B2 (en) | 2008-01-08 | 2015-03-31 | Konica Minolta Business Technologies, Inc. | Image forming device, image forming method, and image forming program |
CN101634821B (zh) * | 2008-07-23 | 2012-08-22 | 京瓷美达株式会社 | 图像形成装置以及图像形成系统 |
WO2010097869A1 (ja) * | 2009-02-26 | 2010-09-02 | パナソニック株式会社 | 充電器、電子機器、及び電子機器充電システム |
KR101316976B1 (ko) * | 2009-09-29 | 2013-10-11 | 나그라아이디 시큐리티 에스에이 | 광학 스위치가 있는 포터블 전자 장치 |
EP2333701A1 (en) * | 2009-12-02 | 2011-06-15 | Nxp B.V. | Using light-sensitivity for setting a response of an RFID transponder device |
Also Published As
Publication number | Publication date |
---|---|
EP2006797A9 (en) | 2009-07-22 |
EP2006797A2 (en) | 2008-12-24 |
JPWO2007105634A1 (ja) | 2009-07-30 |
US20090051497A1 (en) | 2009-02-26 |
CN101395618A (zh) | 2009-03-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2007105634A1 (ja) | 無線icタグ、書類用媒体及び情報処理装置 | |
US10924621B2 (en) | Reading device to read and output an invisible image included in a document | |
US7428067B2 (en) | Image forming device, image forming method, image forming program, computer readable recording medium on which the program is recorded | |
US7961337B2 (en) | Electronically tagged printed matter, image forming device, image forming method, and image forming program, as well as computer readable recording medium on which the program is recorded | |
US7889360B2 (en) | Image forming device, image forming method, image forming program, computer readable recording medium on which the program is recorded | |
US7450253B2 (en) | Image forming device, image forming method, image forming program, computer readable recording medium on which the program is recorded | |
US9876925B2 (en) | Image reading apparatus | |
US7925096B2 (en) | Method and apparatus for validating holograms | |
JP6949651B2 (ja) | 情報処理装置および情報処理システム | |
US20090122350A1 (en) | Radio Frequency Identification Printing Device | |
US11943400B2 (en) | Information processing apparatus and information processing system including a display that displays plurality of control screens | |
US6535706B1 (en) | Image editing system and image forming system | |
US9560222B2 (en) | Document reading device and image forming apparatus | |
JP4130874B2 (ja) | 画像形成装置と交換可能部品の適否判定方法 | |
JP2022171875A (ja) | 情報処理装置 | |
JPH07245682A (ja) | 画像読取装置及びそれを組み込んだ複写機 | |
JP2005186550A (ja) | 印刷装置 | |
JP2007105889A (ja) | 画像処理装置および無線タグ埋め込み用紙 | |
JP4502183B2 (ja) | 画像形成装置 | |
JP2021111028A (ja) | 情報処理装置および情報処理システム | |
JP2006080804A (ja) | 画像読取装置 | |
JP2006173814A (ja) | 画像読取装置および原稿媒体 | |
JP2007079702A (ja) | 小型メモリーカード誤挿入防止システム | |
JPH07256988A (ja) | 印字装置 | |
JP2002074295A (ja) | 画像形成装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 07738165 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2008505114 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 12282051 Country of ref document: US Ref document number: 200780008178.9 Country of ref document: CN |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2007738165 Country of ref document: EP |