JPS57208574A - Optical system driving device of copying machine or the like - Google Patents

Optical system driving device of copying machine or the like

Info

Publication number
JPS57208574A
JPS57208574A JP9442381A JP9442381A JPS57208574A JP S57208574 A JPS57208574 A JP S57208574A JP 9442381 A JP9442381 A JP 9442381A JP 9442381 A JP9442381 A JP 9442381A JP S57208574 A JPS57208574 A JP S57208574A
Authority
JP
Japan
Prior art keywords
energizing
optical system
motor
phase
driving device
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
JP9442381A
Other languages
Japanese (ja)
Inventor
Toshiyuki Sogo
Junji Watanabe
Yasufumi Tanimoto
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP9442381A priority Critical patent/JPS57208574A/en
Publication of JPS57208574A publication Critical patent/JPS57208574A/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)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)

Abstract

PURPOSE:To simplify a driving device, and to move an optical system backward faster than forward, by making the phase energizing of a pulse motor, which moves the optical system forth and back, different. CONSTITUTION:When a rotational direction specifying signal shows a postive direction, an energizing switching circuit 33 regards the energizing system of a pulse motor 25 as 1-2 phase energizing of forward rotation. When a backward direction, 2-phase energizing of reverse rotation is decided, and the energizing switching of the motor 25 is performed according to an energizing clock pulse. Consequently, a driving circuit 34 drives the motor 25 according to the energizing switching. With regard to the 1-2 phase energizing and 2-phase energizing, the rotational speeds of the motor 25 are at 1:2, so an optical system consisting of mirrors 4 and 5, etc., returns at a speed twice as fast as forward drive. Thus, the driving device is simplified, and the backward movement of the optical system is made faster than the forward movement.
JP9442381A 1981-06-18 1981-06-18 Optical system driving device of copying machine or the like Pending JPS57208574A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9442381A JPS57208574A (en) 1981-06-18 1981-06-18 Optical system driving device of copying machine or the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9442381A JPS57208574A (en) 1981-06-18 1981-06-18 Optical system driving device of copying machine or the like

Publications (1)

Publication Number Publication Date
JPS57208574A true JPS57208574A (en) 1982-12-21

Family

ID=14109819

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9442381A Pending JPS57208574A (en) 1981-06-18 1981-06-18 Optical system driving device of copying machine or the like

Country Status (1)

Country Link
JP (1) JPS57208574A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59102223A (en) * 1982-12-03 1984-06-13 Toshiba Corp Optical system driving system of copying machine or the like
JPS63312772A (en) * 1987-06-15 1988-12-21 Konica Corp Picture reader

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS552273A (en) * 1978-06-20 1980-01-09 Shinko Electric Co Ltd Synchronously governing linear reciprocating drive device
JPS5536816A (en) * 1978-09-06 1980-03-14 Ricoh Co Ltd Optical system driving method
JPS5652774B2 (en) * 1973-10-22 1981-12-15

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5652774B2 (en) * 1973-10-22 1981-12-15
JPS552273A (en) * 1978-06-20 1980-01-09 Shinko Electric Co Ltd Synchronously governing linear reciprocating drive device
JPS5536816A (en) * 1978-09-06 1980-03-14 Ricoh Co Ltd Optical system driving method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59102223A (en) * 1982-12-03 1984-06-13 Toshiba Corp Optical system driving system of copying machine or the like
JPS63312772A (en) * 1987-06-15 1988-12-21 Konica Corp Picture reader

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