JPS5784664A - Detection system of image position - Google Patents

Detection system of image position

Info

Publication number
JPS5784664A
JPS5784664A JP16039080A JP16039080A JPS5784664A JP S5784664 A JPS5784664 A JP S5784664A JP 16039080 A JP16039080 A JP 16039080A JP 16039080 A JP16039080 A JP 16039080A JP S5784664 A JPS5784664 A JP S5784664A
Authority
JP
Japan
Prior art keywords
sub
scanner
scanning direction
mobile body
scanning
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
JP16039080A
Other languages
Japanese (ja)
Inventor
Takashi Yokota
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 JP16039080A priority Critical patent/JPS5784664A/en
Publication of JPS5784664A publication Critical patent/JPS5784664A/en
Pending 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
    • H04N1/047—Detection, control or error compensation of scanning velocity or position
    • H04N1/0473—Detection, control or error compensation of scanning velocity or position in subscanning direction, e.g. picture start or line-to-line synchronisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
  • Facsimile Scanning Arrangements (AREA)

Abstract

PURPOSE:To directly obtain the real position toward sub-scanning direction, by detecting the position of image toward the sub-scanning direction, while detecting the amount of drive of the sub-scanning means of a scanner or a printer. CONSTITUTION:In a scanner drive system, a linear scale 19 is fixedly located along a guide rod 18 moving a mobile body 15 toward the sub-scanning direction, a detector 20 reading pulsively the scale is fitted to the mobile body 15 in cooperation with the linear scale 19, and the number of pulse signals outputted from the detector 20 with a counter 21 being operative in response to the output of a sensor S2 at the start of scanning of original image by the scanner is counted, and the content of counter detects the present position of scanner toward the sub-scanning direction, movement amount of the mobile body 15.
JP16039080A 1980-11-14 1980-11-14 Detection system of image position Pending JPS5784664A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16039080A JPS5784664A (en) 1980-11-14 1980-11-14 Detection system of image position

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16039080A JPS5784664A (en) 1980-11-14 1980-11-14 Detection system of image position

Publications (1)

Publication Number Publication Date
JPS5784664A true JPS5784664A (en) 1982-05-27

Family

ID=15713918

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16039080A Pending JPS5784664A (en) 1980-11-14 1980-11-14 Detection system of image position

Country Status (1)

Country Link
JP (1) JPS5784664A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59170847U (en) * 1983-04-30 1984-11-15 京セラミタ株式会社 Inspection device for copying machine drive mechanism
JPS61102870A (en) * 1984-10-25 1986-05-21 Casio Comput Co Ltd Image reader
FR2627044A1 (en) * 1988-02-08 1989-08-11 Bosch Gmbh Robert EXPLORATION DEVICE FOR SLIDES FOR TELEVISION WITHOUT OPTO-MECHANICAL DEVIATION OF THE BEAM OF OPERATING
US4961118A (en) * 1987-05-29 1990-10-02 Mitsubishi Denki Kabushiki Kaisha Document scanner driven by electromagnetic actuators
JPH03230952A (en) * 1990-02-05 1991-10-14 Toshin Kogyo Kk Intermittent driver of endless belt in automatic screen textile printing machine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59170847U (en) * 1983-04-30 1984-11-15 京セラミタ株式会社 Inspection device for copying machine drive mechanism
JPS61102870A (en) * 1984-10-25 1986-05-21 Casio Comput Co Ltd Image reader
US4961118A (en) * 1987-05-29 1990-10-02 Mitsubishi Denki Kabushiki Kaisha Document scanner driven by electromagnetic actuators
WO1993013620A1 (en) * 1987-05-29 1993-07-08 Takaharu Ueda Two-dimensional image pick-up device
FR2627044A1 (en) * 1988-02-08 1989-08-11 Bosch Gmbh Robert EXPLORATION DEVICE FOR SLIDES FOR TELEVISION WITHOUT OPTO-MECHANICAL DEVIATION OF THE BEAM OF OPERATING
JPH03230952A (en) * 1990-02-05 1991-10-14 Toshin Kogyo Kk Intermittent driver of endless belt in automatic screen textile printing machine

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