JPS6410831B2 - - Google Patents

Info

Publication number
JPS6410831B2
JPS6410831B2 JP53081139A JP8113978A JPS6410831B2 JP S6410831 B2 JPS6410831 B2 JP S6410831B2 JP 53081139 A JP53081139 A JP 53081139A JP 8113978 A JP8113978 A JP 8113978A JP S6410831 B2 JPS6410831 B2 JP S6410831B2
Authority
JP
Japan
Prior art keywords
magnification
optical system
flip
flop
key
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
Application number
JP53081139A
Other languages
English (en)
Japanese (ja)
Other versions
JPS557770A (en
Inventor
Minoru Iwamoto
Akio Katsumata
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 JP8113978A priority Critical patent/JPS557770A/ja
Publication of JPS557770A publication Critical patent/JPS557770A/ja
Publication of JPS6410831B2 publication Critical patent/JPS6410831B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
  • Control Or Security For Electrophotography (AREA)
JP8113978A 1978-07-04 1978-07-04 Magnification changeover driving circuit Granted JPS557770A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8113978A JPS557770A (en) 1978-07-04 1978-07-04 Magnification changeover driving circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8113978A JPS557770A (en) 1978-07-04 1978-07-04 Magnification changeover driving circuit

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP62263043A Division JPS63139377A (ja) 1987-10-19 1987-10-19 画像処理装置

Publications (2)

Publication Number Publication Date
JPS557770A JPS557770A (en) 1980-01-19
JPS6410831B2 true JPS6410831B2 (enrdf_load_stackoverflow) 1989-02-22

Family

ID=13738060

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8113978A Granted JPS557770A (en) 1978-07-04 1978-07-04 Magnification changeover driving circuit

Country Status (1)

Country Link
JP (1) JPS557770A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59140436A (ja) * 1983-02-01 1984-08-11 Fuji Xerox Co Ltd 変倍光学系の制御装置
JPS59147368A (ja) * 1983-02-10 1984-08-23 Fuji Xerox Co Ltd 複写機の制御方法
JPS6014224A (ja) * 1983-07-06 1985-01-24 Toshiba Corp 画像形成装置
JPH0816768B1 (enrdf_load_stackoverflow) * 1988-12-27 1996-02-21

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52144730U (enrdf_load_stackoverflow) * 1976-04-28 1977-11-02
JPS5374026A (en) * 1977-11-05 1978-07-01 Minolta Camera Co Ltd Variable magnification lens device

Also Published As

Publication number Publication date
JPS557770A (en) 1980-01-19

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