JPH0548459B2 - - Google Patents

Info

Publication number
JPH0548459B2
JPH0548459B2 JP57111097A JP11109782A JPH0548459B2 JP H0548459 B2 JPH0548459 B2 JP H0548459B2 JP 57111097 A JP57111097 A JP 57111097A JP 11109782 A JP11109782 A JP 11109782A JP H0548459 B2 JPH0548459 B2 JP H0548459B2
Authority
JP
Japan
Prior art keywords
lens
magnification
pulses
reference position
counter
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
JP57111097A
Other languages
English (en)
Japanese (ja)
Other versions
JPS592026A (ja
Inventor
Takaharu Yonemori
Seiji Sagara
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 JP57111097A priority Critical patent/JPS592026A/ja
Priority to US06/505,962 priority patent/US4521100A/en
Priority to DE19833322857 priority patent/DE3322857A1/de
Publication of JPS592026A publication Critical patent/JPS592026A/ja
Publication of JPH0548459B2 publication Critical patent/JPH0548459B2/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
    • G03G15/041—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)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
  • Control Or Security For Electrophotography (AREA)
JP57111097A 1982-06-28 1982-06-28 可変倍像形成装置 Granted JPS592026A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP57111097A JPS592026A (ja) 1982-06-28 1982-06-28 可変倍像形成装置
US06/505,962 US4521100A (en) 1982-06-28 1983-06-20 Variable magnification image forming apparatus
DE19833322857 DE3322857A1 (de) 1982-06-28 1983-06-24 Abbildungseinrichtung mit veraenderbarer vergroesserung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57111097A JPS592026A (ja) 1982-06-28 1982-06-28 可変倍像形成装置

Publications (2)

Publication Number Publication Date
JPS592026A JPS592026A (ja) 1984-01-07
JPH0548459B2 true JPH0548459B2 (en, 2012) 1993-07-21

Family

ID=14552307

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57111097A Granted JPS592026A (ja) 1982-06-28 1982-06-28 可変倍像形成装置

Country Status (1)

Country Link
JP (1) JPS592026A (en, 2012)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2515714B2 (ja) * 1984-01-25 1996-07-10 三田工業株式会社 可変倍率光学系におけるレンズ位置設定機構
JPS61278834A (ja) * 1985-06-04 1986-12-09 Konishiroku Photo Ind Co Ltd ズ−ム複写機

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56123567A (en) * 1980-03-04 1981-09-28 Ricoh Co Ltd Magnification controller for optical system scanning mechanism

Also Published As

Publication number Publication date
JPS592026A (ja) 1984-01-07

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