JPH01280746A - 変倍式複写機における露光方法 - Google Patents

変倍式複写機における露光方法

Info

Publication number
JPH01280746A
JPH01280746A JP7347289A JP7347289A JPH01280746A JP H01280746 A JPH01280746 A JP H01280746A JP 7347289 A JP7347289 A JP 7347289A JP 7347289 A JP7347289 A JP 7347289A JP H01280746 A JPH01280746 A JP H01280746A
Authority
JP
Japan
Prior art keywords
exposure
magnification
light shielding
light
imaging lens
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.)
Granted
Application number
JP7347289A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0364868B2 (forum.php
Inventor
Masami Emoto
江本　正美
Junichi Kitabayashi
淳一 北林
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 JP7347289A priority Critical patent/JPH01280746A/ja
Publication of JPH01280746A publication Critical patent/JPH01280746A/ja
Publication of JPH0364868B2 publication Critical patent/JPH0364868B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
JP7347289A 1989-03-24 1989-03-24 変倍式複写機における露光方法 Granted JPH01280746A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7347289A JPH01280746A (ja) 1989-03-24 1989-03-24 変倍式複写機における露光方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7347289A JPH01280746A (ja) 1989-03-24 1989-03-24 変倍式複写機における露光方法

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP14901180A Division JPS5773767A (en) 1980-10-24 1980-10-24 Method of exposure for variable magnification copier

Publications (2)

Publication Number Publication Date
JPH01280746A true JPH01280746A (ja) 1989-11-10
JPH0364868B2 JPH0364868B2 (forum.php) 1991-10-08

Family

ID=13519251

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7347289A Granted JPH01280746A (ja) 1989-03-24 1989-03-24 変倍式複写機における露光方法

Country Status (1)

Country Link
JP (1) JPH01280746A (forum.php)

Also Published As

Publication number Publication date
JPH0364868B2 (forum.php) 1991-10-08

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