JPH0423268B2 - - Google Patents

Info

Publication number
JPH0423268B2
JPH0423268B2 JP56104414A JP10441481A JPH0423268B2 JP H0423268 B2 JPH0423268 B2 JP H0423268B2 JP 56104414 A JP56104414 A JP 56104414A JP 10441481 A JP10441481 A JP 10441481A JP H0423268 B2 JPH0423268 B2 JP H0423268B2
Authority
JP
Japan
Prior art keywords
pulse motor
document
excitation phase
phase switching
size
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.)
Expired - Lifetime
Application number
JP56104414A
Other languages
English (en)
Japanese (ja)
Other versions
JPS587159A (ja
Inventor
Yasufumi Tanimoto
Junji Watanabe
Toshuki Sogo
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
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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP10441481A priority Critical patent/JPS587159A/ja
Priority to EP82105248A priority patent/EP0068292B1/de
Priority to DE8282105248T priority patent/DE3266787D1/de
Publication of JPS587159A publication Critical patent/JPS587159A/ja
Priority to US06/712,929 priority patent/US4586808A/en
Publication of JPH0423268B2 publication Critical patent/JPH0423268B2/ja
Granted 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)
  • Control Of Stepping Motors (AREA)
JP10441481A 1981-06-18 1981-07-06 露光装置 Granted JPS587159A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP10441481A JPS587159A (ja) 1981-07-06 1981-07-06 露光装置
EP82105248A EP0068292B1 (de) 1981-06-18 1982-06-15 Antriebsvorrichtung für optisches System eines Aufzeichnungsgerätes
DE8282105248T DE3266787D1 (en) 1981-06-18 1982-06-15 Optical system drive device for image formation apparatus
US06/712,929 US4586808A (en) 1981-06-18 1985-03-15 Optical system drive for image formation apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10441481A JPS587159A (ja) 1981-07-06 1981-07-06 露光装置

Publications (2)

Publication Number Publication Date
JPS587159A JPS587159A (ja) 1983-01-14
JPH0423268B2 true JPH0423268B2 (de) 1992-04-21

Family

ID=14380026

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10441481A Granted JPS587159A (ja) 1981-06-18 1981-07-06 露光装置

Country Status (1)

Country Link
JP (1) JPS587159A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2659743B2 (ja) * 1988-03-07 1997-09-30 シャープ株式会社 モータ回転数制御装置
CN110460274B (zh) * 2019-07-05 2020-11-10 广东工业大学 一种步进电机梯形调速控制算法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5610098A (en) * 1979-07-03 1981-02-02 Fujitsu Ltd Pulse motor control system
JPS5635699A (en) * 1979-08-31 1981-04-08 Canon Inc Driving system for pulse motor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5610098A (en) * 1979-07-03 1981-02-02 Fujitsu Ltd Pulse motor control system
JPS5635699A (en) * 1979-08-31 1981-04-08 Canon Inc Driving system for pulse motor

Also Published As

Publication number Publication date
JPS587159A (ja) 1983-01-14

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