JPH0315748B2 - - Google Patents

Info

Publication number
JPH0315748B2
JPH0315748B2 JP57012742A JP1274282A JPH0315748B2 JP H0315748 B2 JPH0315748 B2 JP H0315748B2 JP 57012742 A JP57012742 A JP 57012742A JP 1274282 A JP1274282 A JP 1274282A JP H0315748 B2 JPH0315748 B2 JP H0315748B2
Authority
JP
Japan
Prior art keywords
microfilm
exposure
magnification
photoreceptor
circuit
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
JP57012742A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58130363A (ja
Inventor
Hiroshi Yamada
Hitoshi Hoshi
Minoru Fukuda
Yukio Noguchi
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 JP1274282A priority Critical patent/JPS58130363A/ja
Publication of JPS58130363A publication Critical patent/JPS58130363A/ja
Publication of JPH0315748B2 publication Critical patent/JPH0315748B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G03G15/043—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 means for controlling illumination or exposure
    • G03G15/0435—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 means for controlling illumination or exposure by introducing an optical element in the optical path, e.g. a filter
    • 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)
  • Projection-Type Copiers In General (AREA)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
JP1274282A 1982-01-29 1982-01-29 変倍複写装置 Granted JPS58130363A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1274282A JPS58130363A (ja) 1982-01-29 1982-01-29 変倍複写装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1274282A JPS58130363A (ja) 1982-01-29 1982-01-29 変倍複写装置

Publications (2)

Publication Number Publication Date
JPS58130363A JPS58130363A (ja) 1983-08-03
JPH0315748B2 true JPH0315748B2 (en]) 1991-03-01

Family

ID=11813872

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1274282A Granted JPS58130363A (ja) 1982-01-29 1982-01-29 変倍複写装置

Country Status (1)

Country Link
JP (1) JPS58130363A (en])

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5393832A (en) * 1977-01-28 1978-08-17 Ricoh Co Ltd Electronic copying method
JPS5541426A (en) * 1978-09-18 1980-03-24 Canon Inc Copying apparatus
JPS56132358A (en) * 1980-03-19 1981-10-16 Canon Inc Copying apparatus

Also Published As

Publication number Publication date
JPS58130363A (ja) 1983-08-03

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