EP1170639A4 - Appareil d'exposition blanche et dispositif de formation d'image - Google Patents

Appareil d'exposition blanche et dispositif de formation d'image

Info

Publication number
EP1170639A4
EP1170639A4 EP00909643A EP00909643A EP1170639A4 EP 1170639 A4 EP1170639 A4 EP 1170639A4 EP 00909643 A EP00909643 A EP 00909643A EP 00909643 A EP00909643 A EP 00909643A EP 1170639 A4 EP1170639 A4 EP 1170639A4
Authority
EP
European Patent Office
Prior art keywords
image forming
exposure apparatus
forming device
blank exposure
blank
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.)
Withdrawn
Application number
EP00909643A
Other languages
German (de)
English (en)
Other versions
EP1170639A1 (fr
Inventor
Hiroya Hirose
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 Finetech Nisca Inc
Original Assignee
Canon Finetech 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 Finetech Inc filed Critical Canon Finetech Inc
Publication of EP1170639A1 publication Critical patent/EP1170639A1/fr
Publication of EP1170639A4 publication Critical patent/EP1170639A4/fr
Withdrawn legal-status Critical Current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
    • G03G15/045—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 charging or discharging distinct portions of the charge pattern on the recording material, e.g. for contrast enhancement or discharging non-image areas
    • G03G15/047—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 charging or discharging distinct portions of the charge pattern on the recording material, e.g. for contrast enhancement or discharging non-image areas for discharging non-image areas
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/06—Eliminating residual charges from a reusable imaging member
    • G03G21/08—Eliminating residual charges from a reusable imaging member using optical radiation
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/04—Arrangements for exposing and producing an image
    • G03G2215/0429—Changing or enhancing the image
    • G03G2215/0431—Producing a clean non-image area, i.e. avoiding show-around effects
    • G03G2215/0448—Charge-erasing means for the non-image area
    • G03G2215/0451—Light-emitting array or panel
    • G03G2215/0453—Light-emitting diodes, i.e. LED-array

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Fax Reproducing Arrangements (AREA)
EP00909643A 1999-03-15 2000-03-15 Appareil d'exposition blanche et dispositif de formation d'image Withdrawn EP1170639A4 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP06924099A JP3374906B2 (ja) 1999-03-15 1999-03-15 ブランク露光装置及び画像形成装置
JP6924099 1999-03-15
PCT/JP2000/001566 WO2000055693A1 (fr) 1999-03-15 2000-03-15 Appareil d'exposition blanche et dispositif de formation d'image

Publications (2)

Publication Number Publication Date
EP1170639A1 EP1170639A1 (fr) 2002-01-09
EP1170639A4 true EP1170639A4 (fr) 2007-12-12

Family

ID=13397044

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00909643A Withdrawn EP1170639A4 (fr) 1999-03-15 2000-03-15 Appareil d'exposition blanche et dispositif de formation d'image

Country Status (3)

Country Link
EP (1) EP1170639A4 (fr)
JP (1) JP3374906B2 (fr)
WO (1) WO2000055693A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7395956B2 (ja) * 2019-10-25 2023-12-12 株式会社リコー 画像形成装置、画像形成方法及びプログラム

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4320956A (en) * 1979-03-12 1982-03-23 Olympus Optical Company Ltd. Electrophotographic apparatus including a screen member for decreasing side edge electrostatic charge
US4619513A (en) * 1983-03-18 1986-10-28 Fuji Photo Film Co., Ltd. Electrophotographic system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5857870U (ja) * 1981-10-15 1983-04-19 株式会社リコー 感光体の非画像領域電位消去装置
JPS6157977A (ja) * 1984-08-29 1986-03-25 Canon Inc 像形成装置
JPS63125962A (ja) * 1986-11-14 1988-05-30 Mita Ind Co Ltd 複写機
JPH01177584A (ja) * 1988-01-06 1989-07-13 Sanyo Electric Co Ltd 静電記録装置の画像形成方法
JPH07152294A (ja) * 1993-11-30 1995-06-16 Mita Ind Co Ltd 画像形成装置における前帯電・除電方法
JP3372879B2 (ja) 1998-11-24 2003-02-04 キヤノン株式会社 画像形成装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4320956A (en) * 1979-03-12 1982-03-23 Olympus Optical Company Ltd. Electrophotographic apparatus including a screen member for decreasing side edge electrostatic charge
US4619513A (en) * 1983-03-18 1986-10-28 Fuji Photo Film Co., Ltd. Electrophotographic system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO0055693A1 *

Also Published As

Publication number Publication date
WO2000055693A1 (fr) 2000-09-21
JP3374906B2 (ja) 2003-02-10
EP1170639A1 (fr) 2002-01-09
JP2000267403A (ja) 2000-09-29

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Owner name: CANON FINETECH INC.

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Effective date: 20080821