WO2004064382B1 - Optical code reading device having more than one imaging engine - Google Patents

Optical code reading device having more than one imaging engine

Info

Publication number
WO2004064382B1
WO2004064382B1 PCT/US2003/041116 US0341116W WO2004064382B1 WO 2004064382 B1 WO2004064382 B1 WO 2004064382B1 US 0341116 W US0341116 W US 0341116W WO 2004064382 B1 WO2004064382 B1 WO 2004064382B1
Authority
WO
WIPO (PCT)
Prior art keywords
computing device
imaging
engines
image sensor
signals
Prior art date
Application number
PCT/US2003/041116
Other languages
French (fr)
Other versions
WO2004064382A1 (en
Inventor
Mehul Patel
Original Assignee
Symbol Technologies Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Symbol Technologies Inc filed Critical Symbol Technologies Inc
Priority to CA002508604A priority Critical patent/CA2508604A1/en
Priority to AU2003300319A priority patent/AU2003300319B2/en
Priority to EP03815244A priority patent/EP1579676A1/en
Publication of WO2004064382A1 publication Critical patent/WO2004064382A1/en
Publication of WO2004064382B1 publication Critical patent/WO2004064382B1/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/10881—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices constructional details of hand-held scanners
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10792—Special measures in relation to the object to be scanned
    • G06K7/10801—Multidistance reading
    • 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
    • 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
    • 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
    • H04N1/00328—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 an apparatus processing optically-read information
    • H04N1/00334—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 an apparatus processing optically-read information with an apparatus processing barcodes or the like
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K2207/00—Other aspects
    • G06K2207/1013—Multi-focal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/7243—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages
    • 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
    • H04N1/00204—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 digital computer or a digital computer system, e.g. an internet server
    • 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
    • H04N1/00281—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 telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal
    • H04N1/00283—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 telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal with a television apparatus
    • H04N1/00286—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 telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal with a television apparatus with studio circuitry, devices or equipment, e.g. television cameras
    • 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
    • H04N2201/007—Selecting or switching between a still picture apparatus or function and another apparatus or function
    • 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

Abstract

A mobile computing device is provided having more than one imaging engine, and preferably, two imagining engines. Switching circuitry is provided for switching between the two imaging engines. Each imaging engine is optimized for use in specific applications and includes different specifications from the other imaging engine. Preferably, one imaging engine is optimized to provide higher resolution images than the other imaging engine, and one imaging engine is optimized to focus an object located 7.50 to 12.50 cm from the mobile computing device (near-to-mid range imaging), while the other imaging engine is optimized to focus an object located from 12.50 cm to infinity from the mobile computing device (mid-to-far range imaging). One imaging engine preferably includes a color image sensor, while the other imaging engine includes a black and white image sensor.

Claims

24AMENDED CLAIMS received by the International Bureau on 03 August 2004 (03.08.2004) claim 1-54 are replaced by new claims 1-58.
1. A computing device comprising: a first imaging engine having at least one illumination source and an image sensor
for sensing light and outputting a first plurality of signals corresponding to the sensed
light; a second imaging engine having an image sensor for sensing light and outputting a
second plurality of signals corresponding to the sensed light;
switching circuitry for operatively switching between the first and second imaging
engines; and
a processor for controlling the switching circuitry for receiving one of the first and
second plurality of signals.
2. The computing device according to Claim 1, further comprising interface
circuitry directly coupled to the switching circuitry and the processor for receiving the
first and second plurality of signals from the switching circuitry and transmitting the
signals to the processor.
3. The computing device according to Claim 1, further comprising an
automatically focusing lens assembly for automatically controlling movement of at least
one lens of a lens assembly of at least one of the imaging engines.
4. The computing device according to Claim 1, wherein the first imaging engine has a near-to-mid imaging range and the second imaging engine has a mid-to-far imaging range.
5. The computing device according to Claim 1, wherein the imaging engines
have at least one different depth of field and field of view.
6. The computing device according to Claim 1, wherein at least one of the
image sensors is a color image sensor.
7. The computing device according to Claim 1, wherein the first image
sensor includes a higher resolution photo detector array than the second image sensor.
8. The computing device according to Claim 1, further comprising an aiming
and illumination assembly controlled by the processor.
9. The computing device according to Claim 1, wherein the switching
circuitry includes a multiplexer.
10. The computing device according to Claim 55, wherein the at least one
cavity is a predetermined form factor and wherein at least one of the first and second
imaging engine is configured and dimensioned to fit within said predetermined form factor.
11. The computing device according to Claim 1, wherein the processor
includes a set of programmable instructions for processing the plurality of signals to
recognize and analyze data provided therein.
12. The computing device according to Claim 1, wherein the computing
device is selected from the group consisting of an optical code reader, a personal digital
assistant (PDA), a digital camera, a pager, a video telephone, a cellular telephone, a hand
held computer, and a hand held data capture device.
13. The computing device according to Claim 1, wherein the first and second imaging engines are supported by a housing.
14. The computing device according to Claim 13, wherein at least one of the imaging engines is movably mounted to the housing. 26
15. The computing device according to Claim 14, wherein at least one of the
imaging engines is removably mounted to the housing.
16. The computing device according to Claim 1, further comprising a user
selection assembly having a first control for manually selecting at least one operating
mode of the computing device, and a second control for manually selecting either the first
or second imaging engine.
17. The computing device according to Claim 1, wherein the first and second
imaging engines are one of two individual imaging engines and one integrated imaging
engine.
18. A computing device comprising:
at least two imaging engines each having at least one illumination source and an
image sensor for sensing light and outputting a plurality of signals corresponding to the
sensed light;
switching circuitry for operatively switching between the at least two imaging
engines; and
a processor for controlling the switching circuitry and for processing the plurality
of signals.
19. The computing device according to Claim 18, further comprising interface
circuitry directly coupled to the switching circuitry and the processor for receiving the
plurality of signals from the switching circuitry and transmitting the signals to the
processor. 27
20. The computing device according to Claim 18, further comprising an
automatically focusing lens assembly for controlling movement of at least one lens of a
lens assembly of at least one of the at least two imaging engines.
21. The computing device according to Claim 18, at least one of the at least
two imaging engines has one of a near-to-mid imaging range and a mid-to-far imaging
range.
22. The computing device according to Claim 18, wherein the at least two
imaging engines have at least one different depth of field and field of view.
23. The computing device according to Claim 18, wherein at least one of the
at least two imaging engines includes a color image sensor.
24. The computing device according to Claim 18, further comprising an
aiming and illumination assembly controlled by the processor.
25. The computing device according to Claim 56, wherein the at least one
cavity is a predetermined form factor and wherein at least one of the at least two imaging
engines is configured and dimensioned to fit within said predetermined form factor.
26. The computing device according to Claim 18, wherein the at least two
imaging engines are supported by a housing.
27. The computing device according to Claim 26, wherein at least one of the
at least two imaging engines is movably mounted to the housing.
28. The computing device according to Claim 26, wherein at least one of the at least two imaging engines is removably mounted to the housing.
29. The computing device according to Claim 18, further comprising a user
selection assembly having a first control for manually selecting at least one operating 28
mode of the computing device, and a second control for manually selecting at least one of
the at least two imaging engines.
30. The computing device according to Claim 18, wherein the computing
device is selected from the group consisting of an optical code reader, a personal digital
assistant (PDA), a digital camera, a pager, a video telephone, a cellular telephone, a hand
held computer, and a hand held data capture device.
31. A computing device comprising:
a first imaging engine having at least one illumination source and an image sensor
for sensing light and outputting a first plurality of signals corresponding to the sensed
light; a second imaging engine having an image sensor for sensing light and outputting a
second plurality of signals corresponding to the sensed light; and
a processor for receiving at least one of the first and second plurality of signals.
32. The computing device according to Claim 31, further comprising
switching circuitry for operatively switching between the first and second imaging
engines.
33. The computing device according to Claim 32, further comprising interface
circuitry coupled to the switching circuitry and the processor for receiving the first and
second plurality of signals from the switching circuitry and transmitting the signals to the
processor.
34. The computing device according to Claim 31, further comprising an
automatically focusing lens assembly for controlling movement of at least one lens of a
lens assembly of at least one of the imaging engines. 29
35. The computing device according to Claim 31 , wherein the first imaging
engine has a near-to-mid imaging range and the second imaging engine has a mid-to-far
imaging range.
36. The computing device according to Claim 31 , wherein the imaging
engines have at least one different depth of field and field of view.
37. The computing device according to Claim 31, wherein at least one of the
image sensors is a color image sensor.
38. The computing device according to Claim 31 , wherein the first image
sensor includes a higher resolution photo detector array than the second image sensor.
39. The computing device according to Claim 31, further comprising an
aiming and illumination assembly controlled by the processor.
40. The computing device according to Claim 32, wherein the switching
circuitry includes a multiplexer.
41. The computing device according to Claim 57, wherein the at least one
cavity is a predetermined form factor and wherein at least one of the first and second
imaging engine is configured and dimensioned to fit within said predetermined form
factor.
42. The computing device according to Claim 31, wherein the processor
includes a set of programmable instructions for processing the plurality of signals to
recognize and analyze data provided therein.
43. The computing device according to Claim 31, wherein the computing
device is selected from the group consisting of an optical code reader, a personal digital 30
assistant (PDA), a digital camera, a pager, a video telephone, a cellular telephone, a hand
held computer, and a hand held data capture device.
44. The computing device according to Claim 31 , wherein the first and second
imaging engines are supported by a housing.
45. The computing device according to Claim 44, wherein at least one of the
imaging engines is movably mounted to the housing.
46. The computing device according to Claim 44, wherein at least one of the
imaging engines is removably mounted to the housing.
47. The computing device according to Claim 31, further comprising a user
selection assembly having a first control for manually selecting at least one operating
mode of the computing device, and a second control for manually selecting either the first or second imaging engine.
48. The computing device according to Claim 31, wherein the first and second
imaging engines are one of two individual imaging engines and one integrated imaging
engine.
49. A method for performing digital imaging, the method comprising the steps of:
providing at least two imaging engines each having at least one illumination
source and an image sensor for sensing light and outputting a plurality of signals corresponding to the sensed light;
selecting at least one of the at least two imaging engines; and
processing the plurality of signals corresponding to the at least one selected imaging engine. 31
50. The method according to Claim 49, wherein the step of selecting is
performed either automatically or manually.
51. The method according to Claim 49, further comprising the step of
automatically controlling movement of a lens assembly of at least one of the at least two
imaging engines.
52. The method according to Claim 58, wherein the at least one cavity is a
predetermined form factor and wherein the step of providing at least two imaging engines
includes the step of providing at least one imaging engine configured and dimensioned to
fit within said predetermined form factor.
53. The method according to Claim 49, wherein the step of processing
includes the step of decoding at least one optical code provided by the plurality of signals.
54. A computing device comprising:
a housing defining at least one cavity;
a first imaging engine mounted in said at least one cavity and having an image
sensor for sensing light and outputting a first plurality of signals corresponding to the
sensed light and at least one illumination source;
a second imaging engine mounted in said at least one cavity and having an image
sensor for sensing light and outputting a second plurality of signals corresponding to the sensed light;
switching circuitry for operatively switching between the first and second imaging engines; and
a processor for controlling the switching circuitry for receiving one of the first and second plurality of signals. 32
55. The computing device according to Claim 1, further comprising a housing having at least one cavity, wherein at least one of the first and second imaging engine is mounted within the at least one cavity.
56. The computing device according to Claim 18, further comprising a housing having at least one cavity, wherein at least one of the at least two imaging engines is mounted within the at least one cavity.
57. The computing device according to Claim 31, further comprising a housing having at least one cavity, wherein at least one of the first and second imaging engine is mounted within the at least one cavity.
58. The method according to Claim 49, further comprising the steps of: providing a housing having at least one cavity; and mounting at least one of the at least two imaging engines within the at least one cavity.
PCT/US2003/041116 2003-01-03 2003-12-24 Optical code reading device having more than one imaging engine WO2004064382A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA002508604A CA2508604A1 (en) 2003-01-03 2003-12-24 Optical code reading device having more than one imaging engine
AU2003300319A AU2003300319B2 (en) 2003-01-03 2003-12-24 Optical code reading device having more than one imaging engine
EP03815244A EP1579676A1 (en) 2003-01-03 2003-12-24 Optical code reading device having more than one imaging engine

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US43795903P 2003-01-03 2003-01-03
US60/437,959 2003-01-03
US10/425,694 US7195164B2 (en) 2003-01-03 2003-04-29 Optical code reading device having more than one imaging engine
US10/425,694 2003-04-29

Publications (2)

Publication Number Publication Date
WO2004064382A1 WO2004064382A1 (en) 2004-07-29
WO2004064382B1 true WO2004064382B1 (en) 2004-09-16

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Country Status (5)

Country Link
US (2) US7195164B2 (en)
EP (1) EP1579676A1 (en)
AU (1) AU2003300319B2 (en)
CA (1) CA2508604A1 (en)
WO (1) WO2004064382A1 (en)

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CA2508604A1 (en) 2004-07-29
AU2003300319B2 (en) 2008-08-21
EP1579676A1 (en) 2005-09-28
US7357322B2 (en) 2008-04-15
US20040129783A1 (en) 2004-07-08
US20070108286A1 (en) 2007-05-17
WO2004064382A1 (en) 2004-07-29
AU2003300319A1 (en) 2004-08-10
US7195164B2 (en) 2007-03-27

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