DE69824998D1 - Bildlesegerät - Google Patents

Bildlesegerät

Info

Publication number
DE69824998D1
DE69824998D1 DE69824998T DE69824998T DE69824998D1 DE 69824998 D1 DE69824998 D1 DE 69824998D1 DE 69824998 T DE69824998 T DE 69824998T DE 69824998 T DE69824998 T DE 69824998T DE 69824998 D1 DE69824998 D1 DE 69824998D1
Authority
DE
Germany
Prior art keywords
image reader
reader
image
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 - Fee Related
Application number
DE69824998T
Other languages
English (en)
Other versions
DE69824998T2 (de
Inventor
Nobumasa Fukuzawa
Yoshiyuki Koshimizu
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
Application filed by Canon Inc filed Critical Canon Inc
Publication of DE69824998D1 publication Critical patent/DE69824998D1/de
Application granted granted Critical
Publication of DE69824998T2 publication Critical patent/DE69824998T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G03G15/0415—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 and means for controlling illumination or exposure
    • 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
    • G03G15/043—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 means for controlling illumination or exposure
    • G03G15/0435—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 means for controlling illumination or exposure by introducing an optical element in the optical path, e.g. a filter
    • 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)
  • Optical Systems Of Projection Type Copiers (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
DE69824998T 1997-09-11 1998-09-08 Bildlesegerät Expired - Fee Related DE69824998T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP26491997A JP3437420B2 (ja) 1997-09-11 1997-09-11 画像読取装置
JP26491997 1997-09-11

Publications (2)

Publication Number Publication Date
DE69824998D1 true DE69824998D1 (de) 2004-08-19
DE69824998T2 DE69824998T2 (de) 2005-07-21

Family

ID=17410030

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69824998T Expired - Fee Related DE69824998T2 (de) 1997-09-11 1998-09-08 Bildlesegerät

Country Status (5)

Country Link
US (1) US6032009A (de)
EP (1) EP0902335B1 (de)
JP (1) JP3437420B2 (de)
CN (1) CN1139006C (de)
DE (1) DE69824998T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004109866A (ja) * 2002-09-20 2004-04-08 Canon Inc 画像読取装置
US9227427B2 (en) * 2011-12-28 2016-01-05 Canon Kabushiki Kaisha Image forming apparatus
CN105301929A (zh) * 2011-12-28 2016-02-03 佳能株式会社 图像形成装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3438704A (en) * 1966-10-11 1969-04-15 Xerox Corp Illumination control system
DE2528925A1 (de) * 1975-06-28 1977-01-13 Agfa Gevaert Ag Fotokopiergeraet
JPS5773767A (en) * 1980-10-24 1982-05-08 Ricoh Co Ltd Method of exposure for variable magnification copier
US4806989A (en) * 1986-05-14 1989-02-21 Konishiroku Photo Industry Co., Ltd. Optical correction device
JPH02210340A (ja) * 1989-02-09 1990-08-21 Asahi Optical Co Ltd 光量補正装置
JP2557267B2 (ja) * 1989-12-15 1996-11-27 株式会社トプコン 複写機の光量調整装置
US5283698A (en) * 1991-04-08 1994-02-01 Canon Kabushiki Kaisha Image reading apparatus
JP3007476B2 (ja) * 1992-05-20 2000-02-07 キヤノン株式会社 画像読取り装置
JPH0682931A (ja) * 1992-08-31 1994-03-25 Konica Corp 露光装置
JPH0723226A (ja) * 1993-06-22 1995-01-24 Canon Inc 画像読取装置

Also Published As

Publication number Publication date
EP0902335A2 (de) 1999-03-17
CN1139006C (zh) 2004-02-18
CN1210991A (zh) 1999-03-17
EP0902335B1 (de) 2004-07-14
JP3437420B2 (ja) 2003-08-18
EP0902335A3 (de) 2000-04-12
JPH1184548A (ja) 1999-03-26
DE69824998T2 (de) 2005-07-21
US6032009A (en) 2000-02-29

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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