EP1170639A4 - Blank exposure apparatus and image forming device - Google Patents

Blank exposure apparatus and image forming device

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Withdrawn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)
French (fr)
Other versions
EP1170639A1 (en
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/en
Publication of EP1170639A4 publication Critical patent/EP1170639A4/en
Withdrawn legal-status Critical Current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 Blank exposure apparatus and image forming device Withdrawn EP1170639A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP6924099 1999-03-15
JP06924099A JP3374906B2 (en) 1999-03-15 1999-03-15 Blank exposure apparatus and image forming apparatus
PCT/JP2000/001566 WO2000055693A1 (en) 1999-03-15 2000-03-15 Blank exposure apparatus and image forming device

Publications (2)

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

Family

ID=13397044

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00909643A Withdrawn EP1170639A4 (en) 1999-03-15 2000-03-15 Blank exposure apparatus and image forming device

Country Status (3)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7395956B2 (en) * 2019-10-25 2023-12-12 株式会社リコー Image forming device, image forming method and program

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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5857870U (en) * 1981-10-15 1983-04-19 株式会社リコー Photoreceptor non-image area potential erasing device
JPS6157977A (en) * 1984-08-29 1986-03-25 Canon Inc Image forming device
JPS63125962A (en) * 1986-11-14 1988-05-30 Mita Ind Co Ltd Copying machine
JPH01177584A (en) * 1988-01-06 1989-07-13 Sanyo Electric Co Ltd Image forming method for electrostatic recorder
JPH07152294A (en) * 1993-11-30 1995-06-16 Mita Ind Co Ltd Pre-electrifying/destaticizing method for image forming device

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
JP3374906B2 (en) 2003-02-10
WO2000055693A1 (en) 2000-09-21
JP2000267403A (en) 2000-09-29
EP1170639A1 (en) 2002-01-09

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Legal Events

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

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20010912

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: CANON FINETECH INC.

RBV Designated contracting states (corrected)

Designated state(s): DE FR GB IT

A4 Supplementary search report drawn up and despatched

Effective date: 20071113

17Q First examination report despatched

Effective date: 20080410

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20080821