FR2075386A5 - - Google Patents

Info

Publication number
FR2075386A5
FR2075386A5 FR7100603A FR7100603A FR2075386A5 FR 2075386 A5 FR2075386 A5 FR 2075386A5 FR 7100603 A FR7100603 A FR 7100603A FR 7100603 A FR7100603 A FR 7100603A FR 2075386 A5 FR2075386 A5 FR 2075386A5
Authority
FR
France
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
Application number
FR7100603A
Other languages
French (fr)
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film Co Ltd
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 JP45003099A external-priority patent/JPS5018394B1/ja
Application filed by Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Application granted granted Critical
Publication of FR2075386A5 publication Critical patent/FR2075386A5/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/04Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G03G15/045Apparatus 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
    • G03G15/047Apparatus 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
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00Apparatus for electrophotographic processes
    • G03G2215/04Arrangements for exposing and producing an image
    • G03G2215/0429Changing or enhancing the image
    • G03G2215/0431Producing a clean non-image area, i.e. avoiding show-around effects
    • G03G2215/0448Charge-erasing means for the non-image area

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
FR7100603A 1970-01-10 1971-01-11 Expired FR2075386A5 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP45003099A JPS5018394B1 (de) 1970-01-10 1970-01-10
US00336748A US3799666A (en) 1970-01-10 1973-02-28 Apparatus for forming white frame in electrophotography

Publications (1)

Publication Number Publication Date
FR2075386A5 true FR2075386A5 (de) 1971-10-08

Family

ID=26336606

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7100603A Expired FR2075386A5 (de) 1970-01-10 1971-01-11

Country Status (2)

Country Link
US (1) US3799666A (de)
FR (1) FR2075386A5 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4008954A (en) * 1974-07-15 1977-02-22 Minolta Camera Kabushiki Kaisha Device for extinguishing unnecessary electrostatic charge in electrophotographic copier
US3972613A (en) * 1975-04-23 1976-08-03 Scott Paper Company Copyboard
JPS5760357A (en) * 1980-09-26 1982-04-12 Konishiroku Photo Ind Co Ltd Copying device
JPS5989371U (ja) * 1982-12-03 1984-06-16 シャープ株式会社 複写機用光照射装置
JPS60140287A (ja) * 1983-12-28 1985-07-25 Mita Ind Co Ltd 除電ランプ装置
NL8403079A (nl) * 1984-10-10 1986-05-01 Oce Nederland Bv Inrichting voor het belichten van een randzone van een fotogeleidend element.
JPS6193463A (ja) * 1984-10-15 1986-05-12 Fuji Photo Film Co Ltd 電子写真装置における黒枠除去方法
JP2862385B2 (ja) * 1991-03-13 1999-03-03 キヤノン株式会社 露光装置
JP3384068B2 (ja) * 1993-12-22 2003-03-10 株式会社ニコン 走査型露光装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3556655A (en) * 1968-01-22 1971-01-19 Addressograph Multigraph Photoelectrostatic copying machine
US3671121A (en) * 1970-08-05 1972-06-20 Eastman Kodak Co Exposure device for controlling charge on a portion of a charged surface bordering an image frame projected on the charged surface

Also Published As

Publication number Publication date
US3799666A (en) 1974-03-26

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Legal Events

Date Code Title Description
ST Notification of lapse