JPH0216499B2 - - Google Patents

Info

Publication number
JPH0216499B2
JPH0216499B2 JP56033561A JP3356181A JPH0216499B2 JP H0216499 B2 JPH0216499 B2 JP H0216499B2 JP 56033561 A JP56033561 A JP 56033561A JP 3356181 A JP3356181 A JP 3356181A JP H0216499 B2 JPH0216499 B2 JP H0216499B2
Authority
JP
Japan
Prior art keywords
scanning system
optical
scanning
optical axis
document
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
JP56033561A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57147625A (en
Inventor
Hisashi Yamada
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP3356181A priority Critical patent/JPS57147625A/ja
Priority to US06/352,713 priority patent/US4447147A/en
Priority to DE19823208264 priority patent/DE3208264A1/de
Publication of JPS57147625A publication Critical patent/JPS57147625A/ja
Publication of JPH0216499B2 publication Critical patent/JPH0216499B2/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)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
JP3356181A 1981-03-09 1981-03-09 Optical scanner Granted JPS57147625A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP3356181A JPS57147625A (en) 1981-03-09 1981-03-09 Optical scanner
US06/352,713 US4447147A (en) 1981-03-09 1982-02-26 Optical scanning device
DE19823208264 DE3208264A1 (de) 1981-03-09 1982-03-08 Optische abtasteinrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3356181A JPS57147625A (en) 1981-03-09 1981-03-09 Optical scanner

Publications (2)

Publication Number Publication Date
JPS57147625A JPS57147625A (en) 1982-09-11
JPH0216499B2 true JPH0216499B2 (cs) 1990-04-17

Family

ID=12389954

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3356181A Granted JPS57147625A (en) 1981-03-09 1981-03-09 Optical scanner

Country Status (1)

Country Link
JP (1) JPS57147625A (cs)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54122132A (en) * 1978-03-16 1979-09-21 Ricoh Co Ltd Slit exposure method for photreceptor in copier

Also Published As

Publication number Publication date
JPS57147625A (en) 1982-09-11

Similar Documents

Publication Publication Date Title
US4624555A (en) Slit exposure projection device
JP3952221B2 (ja) 光制御フィルムを有するプリントバー組立体及びプリンタ
JPH0216499B2 (cs)
US4523838A (en) Image forming apparatus
US4457616A (en) Variable magnification optical apparatus
JPH02163773A (ja) 複写機の光量補正装置
US4447147A (en) Optical scanning device
US4571065A (en) Scale factor changing mechanism for copying machine
JPH0261745B2 (cs)
JPH0253792B2 (cs)
JPS58182629A (ja) 走査型複写装置
JPH07119931B2 (ja) 複写機用光学系
JPH077153B2 (ja) 変倍光学系のフレア遮光装置
JPH0219935B2 (cs)
JPS63198041A (ja) アナモ変倍複写機
JPS6078439A (ja) 複写機の変倍装置
JPH03125168A (ja) 変倍画像形成装置
JPS59140437A (ja) 投影装置
JPS5915237A (ja) マイクロ複写機の光学装置
JPS61235826A (ja) 複写機の露光補正装置
JPS59146045A (ja) 複写機における光学系調整方法
JPS5991B2 (ja) 変倍スリット露光式複写機の絞り装置
JPS6236627A (ja) 光学走査装置
JPS59119342A (ja) 投影装置
JPH0387823A (ja) 変倍式複写機に於ける露光方法