JPS57192968A - Synchronizing method for paper feeding - Google Patents

Synchronizing method for paper feeding

Info

Publication number
JPS57192968A
JPS57192968A JP56078940A JP7894081A JPS57192968A JP S57192968 A JPS57192968 A JP S57192968A JP 56078940 A JP56078940 A JP 56078940A JP 7894081 A JP7894081 A JP 7894081A JP S57192968 A JPS57192968 A JP S57192968A
Authority
JP
Japan
Prior art keywords
started
paper feeding
optical system
shifted
starting
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
JP56078940A
Other languages
Japanese (ja)
Inventor
Narimoto Tenmiyo
Hiroshi Koide
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 JP56078940A priority Critical patent/JPS57192968A/en
Publication of JPS57192968A publication Critical patent/JPS57192968A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/522—Projection optics
    • G03B27/525—Projection optics for slit exposure
    • G03B27/526—Projection optics for slit exposure in which the projection optics move

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Paper Feeding For Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)

Abstract

PURPOSE:To precisely synchronize exposure with paper feeding by starting the reciprocating motion of a scanning optical system for an electrophotographic copying machine from its starting position and then starting count for paper feeding at the time the scanning optical system passes through a fixed position. CONSTITUTION:A wire 10 is shifted by the rotation of a motor 15 through a rotary encoder 14 and a pulley 12. Accompanied with the movement of the wire 10, the 1st and 2nd mirrors 6, 7 are shifted to scan and expose a manuscript. Ahead of image exposure, the 1st mirror 6 is shifted backward until a limit switch 19 is actuated. When the limit switch 19 confirms that the optical system has returned to the starting position, image exposure is started. If a photosensor 18 detects the passing of a douser 17, clock pulses are started to be counted, and transfer paper is started to be fed at the time prescribed number has been counted.
JP56078940A 1981-05-25 1981-05-25 Synchronizing method for paper feeding Pending JPS57192968A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56078940A JPS57192968A (en) 1981-05-25 1981-05-25 Synchronizing method for paper feeding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56078940A JPS57192968A (en) 1981-05-25 1981-05-25 Synchronizing method for paper feeding

Publications (1)

Publication Number Publication Date
JPS57192968A true JPS57192968A (en) 1982-11-27

Family

ID=13675873

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56078940A Pending JPS57192968A (en) 1981-05-25 1981-05-25 Synchronizing method for paper feeding

Country Status (1)

Country Link
JP (1) JPS57192968A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6931229B2 (en) * 2002-06-19 2005-08-16 Seiko Epson Corporation Apparatus and method of forming image using rotary developer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6931229B2 (en) * 2002-06-19 2005-08-16 Seiko Epson Corporation Apparatus and method of forming image using rotary developer
US7177586B2 (en) 2002-06-19 2007-02-13 Seiko Epson Corporation Apparatus and method of forming image using rotary developer

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