DE2364324B2 - Belichtungseinrichtung fuer ein elektrophotographisches kopiergeraet - Google Patents

Belichtungseinrichtung fuer ein elektrophotographisches kopiergeraet

Info

Publication number
DE2364324B2
DE2364324B2 DE19732364324 DE2364324A DE2364324B2 DE 2364324 B2 DE2364324 B2 DE 2364324B2 DE 19732364324 DE19732364324 DE 19732364324 DE 2364324 A DE2364324 A DE 2364324A DE 2364324 B2 DE2364324 B2 DE 2364324B2
Authority
DE
Germany
Prior art keywords
format
template
stage
original
illumination
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.)
Ceased
Application number
DE19732364324
Other languages
German (de)
English (en)
Other versions
DE2364324A1 (de
Inventor
Ryuzo Yamato Kanagawa Okada (Japan)
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 Business Innovation Corp
Original Assignee
Fuji Xerox 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
Application filed by Fuji Xerox Co Ltd filed Critical Fuji Xerox Co Ltd
Publication of DE2364324A1 publication Critical patent/DE2364324A1/de
Publication of DE2364324B2 publication Critical patent/DE2364324B2/de
Ceased 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
    • G03G2215/0434—Parameters defining the non-image area to be cleaned
    • G03G2215/0436—Document properties at the scanning position, e.g. position and density
    • 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
    • G03G2215/0434—Parameters defining the non-image area to be cleaned
    • G03G2215/0446—Magnification degree
    • 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
    • G03G2215/0463—Exposure lamp used for scanning

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Holders For Sensitive Materials And Originals (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
DE19732364324 1972-12-27 1973-12-22 Belichtungseinrichtung fuer ein elektrophotographisches kopiergeraet Ceased DE2364324B2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1972148094U JPS5232198Y2 (enrdf_load_stackoverflow) 1972-12-27 1972-12-27

Publications (2)

Publication Number Publication Date
DE2364324A1 DE2364324A1 (de) 1974-07-18
DE2364324B2 true DE2364324B2 (de) 1976-11-18

Family

ID=15445093

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732364324 Ceased DE2364324B2 (de) 1972-12-27 1973-12-22 Belichtungseinrichtung fuer ein elektrophotographisches kopiergeraet

Country Status (4)

Country Link
US (1) US3892480A (enrdf_load_stackoverflow)
JP (1) JPS5232198Y2 (enrdf_load_stackoverflow)
DE (1) DE2364324B2 (enrdf_load_stackoverflow)
GB (1) GB1446748A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4046467A (en) * 1975-05-14 1977-09-06 Xerox Corporation Zoom lens copier
DE2757850C3 (de) * 1977-12-23 1981-01-29 Agfa-Gevaert Ag, 5090 Leverkusen Transparente Auflageplatte für ein Original in einem optischen Kopiergerät
JPS5494038A (en) * 1978-01-07 1979-07-25 Ricoh Co Ltd Copier for zerography

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2927516A (en) * 1955-12-21 1960-03-08 Ibm Record card controlled electro-graphic printer
US3556655A (en) * 1968-01-22 1971-01-19 Addressograph Multigraph Photoelectrostatic copying machine
US3724940A (en) * 1970-12-07 1973-04-03 Ricoh Kk Electrophotographic copying apparatus with means for erasing marginal images

Also Published As

Publication number Publication date
DE2364324A1 (de) 1974-07-18
JPS5232198Y2 (enrdf_load_stackoverflow) 1977-07-22
JPS49106349U (enrdf_load_stackoverflow) 1974-09-11
US3892480A (en) 1975-07-01
GB1446748A (en) 1976-08-18

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