JPS5654164A - Generator for video signal - Google Patents

Generator for video signal

Info

Publication number
JPS5654164A
JPS5654164A JP13021079A JP13021079A JPS5654164A JP S5654164 A JPS5654164 A JP S5654164A JP 13021079 A JP13021079 A JP 13021079A JP 13021079 A JP13021079 A JP 13021079A JP S5654164 A JPS5654164 A JP S5654164A
Authority
JP
Japan
Prior art keywords
signal
read
video
subscanning
speed
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.)
Granted
Application number
JP13021079A
Other languages
Japanese (ja)
Other versions
JPS6312431B2 (en
Inventor
Koichi Ejiri
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP13021079A priority Critical patent/JPS5654164A/en
Publication of JPS5654164A publication Critical patent/JPS5654164A/en
Publication of JPS6312431B2 publication Critical patent/JPS6312431B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa

Abstract

PURPOSE:To eliminate the picture distortion due to variance in the speed, by storing the video element information signal obtained at the location of lines orthogonal to the subscanning direction of two dimensional image sensor and obtaining the subscanning speed signal through the comparison with the signal after the read-in period of a given number, in a manual subscanning type read-in device. CONSTITUTION:The optical image formed on a two dimensional image sensor IS is in photoelectric conversion and it is output as a video signal of m-bit per one line and n-lines. The signal on specific lines among charges of each video element is read out with the pulse from a pulse generator PSG and stored in the 1st shift register SRa. This signal is fed to an output terminal OUT as the video signal and stored in the 2nd shift register SRb simultaneously. Further, the difference between the video information after a given number of read-in periods and the video element corresponding to a differentiating device DIC is obtained, the deviation of subscanning speed at a judging circuit JC is judged, and compensation is made by changing the read-in period.
JP13021079A 1979-10-09 1979-10-09 Generator for video signal Granted JPS5654164A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13021079A JPS5654164A (en) 1979-10-09 1979-10-09 Generator for video signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13021079A JPS5654164A (en) 1979-10-09 1979-10-09 Generator for video signal

Publications (2)

Publication Number Publication Date
JPS5654164A true JPS5654164A (en) 1981-05-14
JPS6312431B2 JPS6312431B2 (en) 1988-03-18

Family

ID=15028715

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13021079A Granted JPS5654164A (en) 1979-10-09 1979-10-09 Generator for video signal

Country Status (1)

Country Link
JP (1) JPS5654164A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59139902A (en) * 1983-07-30 1984-08-11 Nitto Electric Ind Co Ltd Preparation of permselective membrane
JPS6397205A (en) * 1986-10-15 1988-04-27 Toray Ind Inc Treatment of polysulfone resin semipermeable membrane

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59139902A (en) * 1983-07-30 1984-08-11 Nitto Electric Ind Co Ltd Preparation of permselective membrane
JPS6255882B2 (en) * 1983-07-30 1987-11-21 Nitto Electric Ind Co
JPS6397205A (en) * 1986-10-15 1988-04-27 Toray Ind Inc Treatment of polysulfone resin semipermeable membrane
JPH053331B2 (en) * 1986-10-15 1993-01-14 Toray Industries

Also Published As

Publication number Publication date
JPS6312431B2 (en) 1988-03-18

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