MX151908A - Mejoras en aparato optico de amplificacion variable - Google Patents

Mejoras en aparato optico de amplificacion variable

Info

Publication number
MX151908A
MX151908A MX194253A MX19425382A MX151908A MX 151908 A MX151908 A MX 151908A MX 194253 A MX194253 A MX 194253A MX 19425382 A MX19425382 A MX 19425382A MX 151908 A MX151908 A MX 151908A
Authority
MX
Mexico
Prior art keywords
optical device
amplification optical
variable amplification
variable
optical
Prior art date
Application number
MX194253A
Other languages
English (en)
Inventor
Mitsuhiro Tokuhara
Akiyoshi Torigai
Teruo Morikawa
Original Assignee
Canon 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
Priority claimed from JP56139162A external-priority patent/JPS5840518A/ja
Priority claimed from JP13916081A external-priority patent/JPS5840516A/ja
Priority claimed from JP13916181A external-priority patent/JPS5840517A/ja
Application filed by Canon Kk filed Critical Canon Kk
Publication of MX151908A publication Critical patent/MX151908A/es

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)
MX194253A 1981-09-03 1982-09-02 Mejoras en aparato optico de amplificacion variable MX151908A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP56139162A JPS5840518A (ja) 1981-09-03 1981-09-03 可変倍光学装置
JP13916081A JPS5840516A (ja) 1981-09-03 1981-09-03 可変倍光学装置
JP13916181A JPS5840517A (ja) 1981-09-03 1981-09-03 可変倍光学装置

Publications (1)

Publication Number Publication Date
MX151908A true MX151908A (es) 1985-05-02

Family

ID=27317808

Family Applications (1)

Application Number Title Priority Date Filing Date
MX194253A MX151908A (es) 1981-09-03 1982-09-02 Mejoras en aparato optico de amplificacion variable

Country Status (2)

Country Link
US (1) US4497573A (es)
MX (1) MX151908A (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2761732B2 (ja) * 1988-02-26 1998-06-04 旭光学工業株式会社 変倍光学装置
JP3483381B2 (ja) * 1996-01-06 2004-01-06 キヤノン株式会社 画像形成装置及びそれを用いた倍率補正方法
TW563344B (en) * 2002-06-06 2003-11-21 Veutron Corp Lens module to adjust the magnification
US7184181B2 (en) * 2002-09-27 2007-02-27 Teco Image Systems Co., Ltd. Scanning module capable of finely tuning the optical length
JP2005134624A (ja) * 2003-10-30 2005-05-26 Canon Inc 光走査装置及びそれを用いた画像形成装置
TW200705968A (en) * 2005-07-22 2007-02-01 Primax Electronics Ltd Optical reading head of scanner

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3259009A (en) * 1963-12-11 1966-07-05 Sperry Rand Corp Mechanism for providing a precise reduction ratio in photographic copiers
US3431053A (en) * 1964-10-23 1969-03-04 Agfa Gevaert Ag Optical copying apparatus
US3416860A (en) * 1965-06-11 1968-12-17 Scm Corp Electrostatic printer
JPS5822730B2 (ja) * 1977-01-11 1983-05-11 キヤノン株式会社 原稿走査装置
US4077715A (en) * 1977-02-18 1978-03-07 Itek Corporation Adjustable optical cam
GB2007376B (en) * 1977-09-09 1982-05-26 Canon Kk Copier

Also Published As

Publication number Publication date
US4497573A (en) 1985-02-05

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