FR2435064A3 - Dispositif d'exposition - Google Patents

Dispositif d'exposition

Info

Publication number
FR2435064A3
FR2435064A3 FR7921735A FR7921735A FR2435064A3 FR 2435064 A3 FR2435064 A3 FR 2435064A3 FR 7921735 A FR7921735 A FR 7921735A FR 7921735 A FR7921735 A FR 7921735A FR 2435064 A3 FR2435064 A3 FR 2435064A3
Authority
FR
France
Prior art keywords
exposure device
side walls
elongated
light source
relates
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.)
Granted
Application number
FR7921735A
Other languages
English (en)
French (fr)
Other versions
FR2435064B3 (enExample
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 Production Printing Netherlands BV
Original Assignee
Oce Nederland BV
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 Oce Nederland BV filed Critical Oce Nederland BV
Publication of FR2435064A3 publication Critical patent/FR2435064A3/fr
Application granted granted Critical
Publication of FR2435064B3 publication Critical patent/FR2435064B3/fr
Granted 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
FR7921735A 1978-09-01 1979-08-30 Dispositif d'exposition Granted FR2435064A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7808977A NL7808977A (nl) 1978-09-01 1978-09-01 Belichtingsinrichting.

Publications (2)

Publication Number Publication Date
FR2435064A3 true FR2435064A3 (fr) 1980-03-28
FR2435064B3 FR2435064B3 (enExample) 1980-11-14

Family

ID=19831472

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7921735A Granted FR2435064A3 (fr) 1978-09-01 1979-08-30 Dispositif d'exposition

Country Status (5)

Country Link
US (1) US4277166A (enExample)
JP (1) JPS5543592A (enExample)
FR (1) FR2435064A3 (enExample)
GB (1) GB2031612B (enExample)
NL (1) NL7808977A (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0049146B2 (en) * 1980-09-29 1988-06-08 Xerox Corporation Illumination arrangement for elimination of gray borders in a copying device
JPS62276556A (ja) * 1986-05-24 1987-12-01 Oak Seisakusho:Kk 光源移動型露光装置
US5027155A (en) * 1989-01-28 1991-06-25 Brother Kogyo Kabushiki Kaisha Image forming apparatus including mechanisms for exposure lamp exchange
US6463238B1 (en) * 2001-10-15 2002-10-08 Umax Data Systems, Inc. Upper transparency cover
USD695447S1 (en) * 2013-04-22 2013-12-10 Quarkstar Llc Luminaire
USD704372S1 (en) 2013-04-22 2014-05-06 Quarkstar Llc Luminaire

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2205860A (en) * 1939-09-29 1940-06-25 Olds Phelps Flashlight apparatus
US2913569A (en) * 1955-09-07 1959-11-17 Edelstein Arthur Lighting apparatus for photography
US3270194A (en) * 1964-06-24 1966-08-30 Minnesota Mining & Mfg Light exposure apparatus
US3532424A (en) * 1967-11-16 1970-10-06 Addressograph Multigraph Elliptical reflector for photocopying machine

Also Published As

Publication number Publication date
GB2031612A (en) 1980-04-23
GB2031612B (en) 1983-04-27
JPS5543592A (en) 1980-03-27
FR2435064B3 (enExample) 1980-11-14
US4277166A (en) 1981-07-07
JPS646446B2 (enExample) 1989-02-03
NL7808977A (nl) 1978-11-30

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