JPH0225511B2 - - Google Patents

Info

Publication number
JPH0225511B2
JPH0225511B2 JP20134481A JP20134481A JPH0225511B2 JP H0225511 B2 JPH0225511 B2 JP H0225511B2 JP 20134481 A JP20134481 A JP 20134481A JP 20134481 A JP20134481 A JP 20134481A JP H0225511 B2 JPH0225511 B2 JP H0225511B2
Authority
JP
Japan
Prior art keywords
projection lens
magnification
reference position
lens
movement
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
JP20134481A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58102252A (ja
Inventor
Hisakatsu Takahashi
Yoshuki Ishidate
Hiromitsu Okada
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.)
Topcon Corp
Fujifilm Business Innovation Corp
Original Assignee
Fuji Xerox Co Ltd
Tokyo Kogaku Kikai KK
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 Fuji Xerox Co Ltd, Tokyo Kogaku Kikai KK filed Critical Fuji Xerox Co Ltd
Priority to JP20134481A priority Critical patent/JPS58102252A/ja
Priority to GB08233337A priority patent/GB2111714B/en
Publication of JPS58102252A publication Critical patent/JPS58102252A/ja
Publication of JPH0225511B2 publication Critical patent/JPH0225511B2/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)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
JP20134481A 1981-12-14 1981-12-14 複写機の連続変倍方法 Granted JPS58102252A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP20134481A JPS58102252A (ja) 1981-12-14 1981-12-14 複写機の連続変倍方法
GB08233337A GB2111714B (en) 1981-12-14 1982-11-23 Determining the focal length of a projection lens in a copier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20134481A JPS58102252A (ja) 1981-12-14 1981-12-14 複写機の連続変倍方法

Publications (2)

Publication Number Publication Date
JPS58102252A JPS58102252A (ja) 1983-06-17
JPH0225511B2 true JPH0225511B2 (enrdf_load_stackoverflow) 1990-06-04

Family

ID=16439469

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20134481A Granted JPS58102252A (ja) 1981-12-14 1981-12-14 複写機の連続変倍方法

Country Status (2)

Country Link
JP (1) JPS58102252A (enrdf_load_stackoverflow)
GB (1) GB2111714B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH075480Y2 (ja) * 1990-09-27 1995-02-08 株式会社東芝 画像形成装置

Also Published As

Publication number Publication date
GB2111714A (en) 1983-07-06
JPS58102252A (ja) 1983-06-17
GB2111714B (en) 1985-08-14

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