DE3777519D1 - Kopiergeraet mit variabler vergroesserung. - Google Patents

Kopiergeraet mit variabler vergroesserung.

Info

Publication number
DE3777519D1
DE3777519D1 DE8787114154T DE3777519T DE3777519D1 DE 3777519 D1 DE3777519 D1 DE 3777519D1 DE 8787114154 T DE8787114154 T DE 8787114154T DE 3777519 T DE3777519 T DE 3777519T DE 3777519 D1 DE3777519 D1 DE 3777519D1
Authority
DE
Germany
Prior art keywords
copier
variable magnification
magnification
variable
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
DE8787114154T
Other languages
English (en)
Inventor
Kazuyuki Kondo
Jun Koide
Kanji Yano
Makoto Tanaka
Haruo Tsunoi
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
Priority claimed from JP23276986A external-priority patent/JPH0743496B2/ja
Priority claimed from JP1986174640U external-priority patent/JPH0645953Y2/ja
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE3777519D1 publication Critical patent/DE3777519D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
DE8787114154T 1986-09-30 1987-09-28 Kopiergeraet mit variabler vergroesserung. Expired - Lifetime DE3777519D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP23276986A JPH0743496B2 (ja) 1986-09-30 1986-09-30 画像露光装置
JP1986174640U JPH0645953Y2 (ja) 1986-11-13 1986-11-13 画像露光装置

Publications (1)

Publication Number Publication Date
DE3777519D1 true DE3777519D1 (de) 1992-04-23

Family

ID=26496183

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787114154T Expired - Lifetime DE3777519D1 (de) 1986-09-30 1987-09-28 Kopiergeraet mit variabler vergroesserung.

Country Status (3)

Country Link
US (1) US4894682A (de)
EP (1) EP0263397B1 (de)
DE (1) DE3777519D1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3882073T2 (de) * 1987-04-22 1993-10-21 Canon Kk Bilderzeugungsgerät mit Mitteln zur Leerbelichtung.
US5060283A (en) * 1989-04-20 1991-10-22 Fuji Photo Film Co. , Ltd. Method and system for reading images with a movable light intercepting plate
US5287147A (en) * 1991-01-25 1994-02-15 Canon Kabushiki Kaisha Original scanning apparatus with fixed light source
US5255116A (en) * 1991-02-18 1993-10-19 Canon Kabushiki Kaisha Original scanning apparatus
JP2979844B2 (ja) * 1992-05-01 1999-11-15 キヤノン株式会社 調整機構を有した撮像装置
JP3224339B2 (ja) * 1995-10-11 2001-10-29 キヤノン株式会社 マルチビーム走査光学装置
US7414761B2 (en) * 2002-05-30 2008-08-19 Canon Kabushiki Kaisha Imaging optical system and image reading apparatus
US20110128533A1 (en) * 2009-12-01 2011-06-02 Hui-Hsiung Lee Surface-check equipment

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5441333B2 (de) * 1973-03-23 1979-12-07
CH621414A5 (de) * 1977-11-15 1981-01-30 Gretag Ag
JPS578515A (en) * 1980-06-19 1982-01-16 Canon Inc Zoom lens
JPS5781220A (en) * 1980-11-10 1982-05-21 Asahi Optical Co Ltd Diaphragm structure body for zoom lens
JPS57154265A (en) * 1981-03-18 1982-09-24 Canon Inc Correcting device for unevenness of exposure
JPS5891475A (ja) * 1981-11-27 1983-05-31 Canon Inc 画像形成装置
DE3303283A1 (de) * 1982-02-01 1983-08-11 Ricoh Co., Ltd., Tokyo Bildbelichtungssystem
JPS5964810A (ja) * 1982-10-05 1984-04-12 Canon Inc 変倍投影装置
JPS6022122A (ja) * 1983-07-18 1985-02-04 Casio Comput Co Ltd 複写装置

Also Published As

Publication number Publication date
EP0263397A3 (en) 1988-06-01
US4894682A (en) 1990-01-16
EP0263397B1 (de) 1992-03-18
EP0263397A2 (de) 1988-04-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee