JPS5621158A - Copying apparatus - Google Patents

Copying apparatus

Info

Publication number
JPS5621158A
JPS5621158A JP9565879A JP9565879A JPS5621158A JP S5621158 A JPS5621158 A JP S5621158A JP 9565879 A JP9565879 A JP 9565879A JP 9565879 A JP9565879 A JP 9565879A JP S5621158 A JPS5621158 A JP S5621158A
Authority
JP
Japan
Prior art keywords
changing over
mirror
variable power
optical path
moving
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
JP9565879A
Other languages
English (en)
Inventor
Koichi Miyamoto
Yasuto Suga
Hiroshi Nitanda
Masao Ariga
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 JP9565879A priority Critical patent/JPS5621158A/ja
Priority to US06/170,659 priority patent/US4326797A/en
Priority to DE19803027773 priority patent/DE3027773A1/de
Publication of JPS5621158A publication Critical patent/JPS5621158A/ja
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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G03G15/041—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with variable magnification

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
  • Control Or Security For Electrophotography (AREA)
JP9565879A 1979-07-27 1979-07-27 Copying apparatus Pending JPS5621158A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP9565879A JPS5621158A (en) 1979-07-27 1979-07-27 Copying apparatus
US06/170,659 US4326797A (en) 1979-07-27 1980-07-21 Copying apparatus capable of changing over the copying mode and the copying magnification
DE19803027773 DE3027773A1 (de) 1979-07-27 1980-07-22 Kopiergeraet mit umstellbarer kopierart und umstellbarer kopiervergroesserung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9565879A JPS5621158A (en) 1979-07-27 1979-07-27 Copying apparatus

Publications (1)

Publication Number Publication Date
JPS5621158A true JPS5621158A (en) 1981-02-27

Family

ID=14143585

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9565879A Pending JPS5621158A (en) 1979-07-27 1979-07-27 Copying apparatus

Country Status (3)

Country Link
US (1) US4326797A (ja)
JP (1) JPS5621158A (ja)
DE (1) DE3027773A1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4523837A (en) * 1983-07-14 1985-06-18 Xerox Corporation Document handling system to enable large document copying on a standard office copier
US4763159A (en) * 1983-07-14 1988-08-09 Xerox Corporation Multimagnification optical system in a dual mode copier
AU2005231520B2 (en) 2004-04-09 2011-07-28 Resmed Limited Nasal assembly

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1260920A (en) * 1968-03-19 1972-01-19 Ricoh Kk Improvements in and relating to photographic exposure arrangements
US3614222A (en) * 1970-04-24 1971-10-19 Olivetti & Co Spa Optical drive system for reproducing machine
DE2522264C3 (de) * 1975-05-20 1982-05-06 Canon K.K., Tokyo Projektionskopiergerät
JPS5328431A (en) * 1976-08-27 1978-03-16 Canon Inc Copier
US4158497A (en) * 1976-08-31 1979-06-19 Ricoh Co., Ltd. Copying apparatus
DE2709427A1 (de) * 1977-03-04 1978-09-07 Canon Kk Fotokopiergeraet

Also Published As

Publication number Publication date
DE3027773A1 (de) 1981-02-19
DE3027773C2 (ja) 1987-06-19
US4326797A (en) 1982-04-27

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