JPS5765057A - Copy machine - Google Patents

Copy machine

Info

Publication number
JPS5765057A
JPS5765057A JP55141191A JP14119180A JPS5765057A JP S5765057 A JPS5765057 A JP S5765057A JP 55141191 A JP55141191 A JP 55141191A JP 14119180 A JP14119180 A JP 14119180A JP S5765057 A JPS5765057 A JP S5765057A
Authority
JP
Japan
Prior art keywords
alpha2
image
memory
time
image data
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP55141191A
Other languages
Japanese (ja)
Inventor
Katsuyoshi Maejima
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Priority to JP55141191A priority Critical patent/JPS5765057A/en
Publication of JPS5765057A publication Critical patent/JPS5765057A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/38Circuits or arrangements for blanking or otherwise eliminating unwanted parts of pictures

Abstract

PURPOSE:To enable to cancel unnecessary part of an original, by providing a means controlling readout of an original image, in reading out and printing out the image stored once in a memory. CONSTITUTION:Normally, an ouput alpha1 of a control signal source 202 is taken as 1 and alpha2 as 0. Thus, only image data of a data bus DB read out from a memory 36 pass through gates 200, 201 to obtain a copy of normal or converted image. But, when 0 is produced for the alpha1, alpha2, during a prescribed time of output scanning of the memory 36, the passing of serial image data is blocked with the gate 200. White is partially copied for the time. This prescribed time is determined in synchronizing with serial address data from a CPU. On the other hand, when the alpha2 of a signal source 202 is made to 1 for the prescribed time, high level is outputted for the time as image data via the gate 201 and black is partially copied.
JP55141191A 1980-10-09 1980-10-09 Copy machine Pending JPS5765057A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55141191A JPS5765057A (en) 1980-10-09 1980-10-09 Copy machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55141191A JPS5765057A (en) 1980-10-09 1980-10-09 Copy machine

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP62255071A Division JPS63158571A (en) 1987-10-09 1987-10-09 Image forming device having editing function

Publications (1)

Publication Number Publication Date
JPS5765057A true JPS5765057A (en) 1982-04-20

Family

ID=15286272

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55141191A Pending JPS5765057A (en) 1980-10-09 1980-10-09 Copy machine

Country Status (1)

Country Link
JP (1) JPS5765057A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59128870A (en) * 1983-01-14 1984-07-25 Fuji Xerox Co Ltd Device for setting density of surrounding part of image
JPS60124175A (en) * 1983-12-09 1985-07-03 Canon Inc Picture reader
JPS61182058A (en) * 1985-02-07 1986-08-14 Ricoh Co Ltd Editing device of picture
JPS63215165A (en) * 1987-03-03 1988-09-07 Canon Inc Image processing device
US5327247A (en) * 1988-12-23 1994-07-05 Rank Cintel Ltd. Compensation of losses and defects in telecine devices
JPH06343125A (en) * 1992-10-30 1994-12-13 Canon Inc Double-sided recording controller
US5638181A (en) * 1993-07-05 1997-06-10 Ricoh Company, Ltd. Duplex copier capable of digitally rotating an image on at least one side of a duplex copy sheet

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51138332A (en) * 1975-05-12 1976-11-29 Ibm Image processor
JPS5397339A (en) * 1977-02-07 1978-08-25 Ricoh Co Ltd Buffer device featuring parallel delivering of serial picture signal input
JPS53101936A (en) * 1977-02-17 1978-09-05 Canon Inc Data processor
JPS5617532A (en) * 1979-07-20 1981-02-19 Nec Corp Automatic equalizer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51138332A (en) * 1975-05-12 1976-11-29 Ibm Image processor
JPS5397339A (en) * 1977-02-07 1978-08-25 Ricoh Co Ltd Buffer device featuring parallel delivering of serial picture signal input
JPS53101936A (en) * 1977-02-17 1978-09-05 Canon Inc Data processor
JPS5617532A (en) * 1979-07-20 1981-02-19 Nec Corp Automatic equalizer

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59128870A (en) * 1983-01-14 1984-07-25 Fuji Xerox Co Ltd Device for setting density of surrounding part of image
JPS60124175A (en) * 1983-12-09 1985-07-03 Canon Inc Picture reader
JPS61182058A (en) * 1985-02-07 1986-08-14 Ricoh Co Ltd Editing device of picture
JPS63215165A (en) * 1987-03-03 1988-09-07 Canon Inc Image processing device
US5327247A (en) * 1988-12-23 1994-07-05 Rank Cintel Ltd. Compensation of losses and defects in telecine devices
JPH06343125A (en) * 1992-10-30 1994-12-13 Canon Inc Double-sided recording controller
US5638181A (en) * 1993-07-05 1997-06-10 Ricoh Company, Ltd. Duplex copier capable of digitally rotating an image on at least one side of a duplex copy sheet

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