1 2
plied with power from a lighting circuit 170, to light up FACSIMILE DEVICE AND AUTOMATIC the original fed into the facsimile device by original
RECEIVING METHOD THEREOF feeding system 210. Reflected light from the original,
caused by this lighting up, enters in a read optical sysThis application is continuation of application Ser. 5 tern 200. Read optical system 200 includes an image No. 07/618,612 filed on Nov. 27, 1990, which is now sensor formed such as of CCD (Charge-Coupled Deabandoned, vice) image sensing devices. The reflected light from
rvn/rvrrinw the original forms an optical image of the figures or
BACKGROUND OF THE INVENTION ... Qn ±e ... Q^Q a h^leceiving suVface of
1. Field of the Invention 10 the image sensor. Thus, read optical system 200 supplies The present invention relates generally to facsimile as an output an analog picture signal of one picture
devices and, more particularly, to a facsimile device frame corresponding to the figures or designs on the
having an automatic receiving function. original. A recording system 210 serves to print the
2. Description of the Background Art figures or designs, corresponding to the picture signal Facsimile devices serve as still-picture transmit/- 15 received by the facsimile device, on record paper and
receive apparatus for transmitting/receiving via tele- then to transmit the printed record paper outside the
phone lines a picture signal obtained by decomposing facsimile device. In general, original feeding system 210
characters, figures, photographs, etc. into a plurality of includes various sensors for detecting positions of the
small pixels by scanning and are in wide use. The fac- original, or the like. Similarly, recording system 220 simile devices are connected with each other via tele- 20 includes sensors for detecting positions of the record
phone lines through a switchboard. When one of the paper, or the like.
two facsimile devices connected via telephone lines Sensor circuit 140 supplies information based on outthrough the switchboard transmits a picture signal to put signals of the sensors included in the original feedthe other device, the one facsimile device supplies a ing system 210 and recording system 220 to main consignal indicating a request-to-send as an output to the 25 trailer 110. Panel controller 150 detects a key entry into switchboard. In response to this applied signal, the operation panel 8b and supplies the detected key entry switchboard transmits a signal for ringing the bell of a to main controller 110, and also changes displays on telephone for general use (hereinafter referred to as operation panel 8b in response to an instruction from ringing signal) to the other facsimile device. The fac- main controller 110. Read processor 180 serves to subsimile device is connected with the telephone for gen- 30 ject a picture signal in analog form, supplied as an outeral use, so that the bell of the connected telephone put from read optical system 200, to a predetermined rings in response to the ringing signal from the switch- correction processing. Image memory controller 120 board. serves to convert the picture signal subjected to the
There are two or more types of facsimile devices: one correction processing by read processor 180 into image
has both an automatic receive mode, in which the fac- 35 data of a predetermined form and to supply the image
simile device can automatically receive a picture signal data to image memory 130. Image memory 130 stores
in response to a ringing signal from the switchboard, the image data supplied by image memory controller
and a manual receive mode, in which the facsimile de- 120. Image memory controller 120 further reads the
vice is set to be able to receive a picture signal by man- image data from image memory 130 and converts the
ual operation of users responding to a ring of the bell of 40 read image data into a picture signal of the original
a telephone connected to the device; and the other has form, to supply the converted signal to main controller
only the manual receive mode. 110 and transmission controller 4. Mechanism/record
FIG. 6 is a schematic block diagram showing general controller 160 controls mechanical operations such as
structure of a conventional facsimile device having an of original feeding system 210 and recording system
automatic receiving function. With reference to FIG. 6, 45 220, so that the travelling of the original and record
a controller 100 includes a main controller 110, an paper, the density of printing onto the record paper, etc.
image memory controller 120, an image memory 130, a may be appropriate.
sensor circuit 140, a panel controller 150, a mechanism- In transmission, since a picture signal of the original is /record controller 160, a read processor 180, a transmis- supplied as an output from read optical system 200, sion controller 4, and a ringing signal detecting circuit 50 image data corresponding to this picture signal is once 5. stored in image memory 130, then read and applied to An operation panel 8b includes a keying switch, by image memory controller 120. Transmission controller which users perform mode setting of this facsimile de- 4 provides a processing for transmission (encoding provice, starting of transmission/reception and the like, and cessing) to the picture signal supplied by image memory a display panel for displaying various information for 55 controller 120 and then applies the processed picture the users' operation. A network control unit (hereinaf- signal to modem 3. Main controller 110 carries out a ter referred to as NCU) 2 serves as an interface for control for this operation of transmission controller 4 in coupling lines 1 and the facsimile device. A modem 3 response to the picture signal supplied as an output from has a function of receiving a picture signal transmitted image memory controller 120. As a result, a picture via lines 1 through NCU 2 and then demodulating the 60 signal corresponding to the figures or designs on the received picture signal in the form of a signal that can original is transmitted via modem 3 and NCU 2 onto be processed in controller 100, i.e., a digital signal, and lines 1.
a function of modulating a picture signal to be transmit- In reception, since a picture signal is supplied as an
ted in a signal form that is suitable for transmission via input to NCU 2 via lines 1, transmission controller 4
lines 1. An original feeding system 210 serves to feed 65 provides an opposite processing (decoding) from the
originals such as paper, on which characters and figures foregoing processing for transmission to a picture signal
or designs to be transferred are drawn, and photographs demodulated by modem 3. The picture signal processed
into the facsimile device. A lighting system 190 is sup- by transmission controller 4 is applied to image memory
