NL7808977A - Belichtingsinrichting. - Google Patents

Belichtingsinrichting.

Info

Publication number
NL7808977A
NL7808977A NL7808977A NL7808977A NL7808977A NL 7808977 A NL7808977 A NL 7808977A NL 7808977 A NL7808977 A NL 7808977A NL 7808977 A NL7808977 A NL 7808977A NL 7808977 A NL7808977 A NL 7808977A
Authority
NL
Netherlands
Prior art keywords
exposure device
exposure
Prior art date
Application number
NL7808977A
Other languages
English (en)
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
Priority to NL7808977A priority Critical patent/NL7808977A/nl
Publication of NL7808977A publication Critical patent/NL7808977A/nl
Priority to GB7929970A priority patent/GB2031612B/en
Priority to JP11015779A priority patent/JPS5543592A/ja
Priority to US06/071,016 priority patent/US4277166A/en
Priority to FR7921735A priority patent/FR2435064A3/fr

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)
NL7808977A 1978-09-01 1978-09-01 Belichtingsinrichting. NL7808977A (nl)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL7808977A NL7808977A (nl) 1978-09-01 1978-09-01 Belichtingsinrichting.
GB7929970A GB2031612B (en) 1978-09-01 1979-08-29 Lighting arrengement for discharging areas of photoconductive webs
JP11015779A JPS5543592A (en) 1978-09-01 1979-08-29 Exposure device
US06/071,016 US4277166A (en) 1978-09-01 1979-08-30 Exposure device
FR7921735A FR2435064A3 (fr) 1978-09-01 1979-08-30 Dispositif d'exposition

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL7808977A true NL7808977A (nl) 1978-11-30

Family

ID=19831472

Family Applications (1)

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

Country Status (5)

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

Families Citing this family (4)

* 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

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
GB2031612B (en) 1983-04-27
FR2435064B3 (nl) 1980-11-14
JPS5543592A (en) 1980-03-27
US4277166A (en) 1981-07-07
GB2031612A (en) 1980-04-23
FR2435064A3 (fr) 1980-03-28
JPS646446B2 (nl) 1989-02-03

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed