JPS4943337B1 - - Google Patents

Info

Publication number
JPS4943337B1
JPS4943337B1 JP45077450A JP7745070A JPS4943337B1 JP S4943337 B1 JPS4943337 B1 JP S4943337B1 JP 45077450 A JP45077450 A JP 45077450A JP 7745070 A JP7745070 A JP 7745070A JP S4943337 B1 JPS4943337 B1 JP S4943337B1
Authority
JP
Japan
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.)
Pending
Application number
JP45077450A
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 filed Critical
Priority to JP45077450A priority Critical patent/JPS4943337B1/ja
Priority to US173889A priority patent/US3687538A/en
Priority to GB4115071A priority patent/GB1350795A/en
Priority to CA122052A priority patent/CA931204A/en
Publication of JPS4943337B1 publication Critical patent/JPS4943337B1/ja
Pending 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 Guides In General And Applications Therefor (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
JP45077450A 1970-09-03 1970-09-03 Pending JPS4943337B1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP45077450A JPS4943337B1 (ja) 1970-09-03 1970-09-03
US173889A US3687538A (en) 1970-09-03 1971-08-23 Apparatus for exposing latent image margins in electrophotographic copying apparatus
GB4115071A GB1350795A (en) 1970-09-03 1971-09-03 Xerographic apparatus
CA122052A CA931204A (en) 1970-09-03 1971-09-03 Xerographic apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45077450A JPS4943337B1 (ja) 1970-09-03 1970-09-03

Publications (1)

Publication Number Publication Date
JPS4943337B1 true JPS4943337B1 (ja) 1974-11-20

Family

ID=13634342

Family Applications (1)

Application Number Title Priority Date Filing Date
JP45077450A Pending JPS4943337B1 (ja) 1970-09-03 1970-09-03

Country Status (4)

Country Link
US (1) US3687538A (ja)
JP (1) JPS4943337B1 (ja)
CA (1) CA931204A (ja)
GB (1) GB1350795A (ja)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4926590B1 (ja) * 1970-09-03 1974-07-10
US3724940A (en) * 1970-12-07 1973-04-03 Ricoh Kk Electrophotographic copying apparatus with means for erasing marginal images
BE793559A (fr) * 1971-12-30 1973-06-29 Xerox Corp Machine electrostatographique comportant un dispositif de pre-developpement d'exposition
US3961949A (en) * 1972-01-03 1976-06-08 Xerox Corporation Photoelectrophoretic imaging method producing a desired image border
US3788737A (en) * 1972-10-13 1974-01-29 Xerox Corp Luminescent cover
US3793016A (en) * 1972-10-19 1974-02-19 Xerox Corp Electrophotographic sheet binding process
JPS5265450A (en) * 1975-11-26 1977-05-30 Ricoh Co Ltd Method and apparatus for removing electricity for cleaning means of li ght sensitive body
US4380579A (en) * 1977-04-19 1983-04-19 Shoji Matsumoto Electrostatic copying process and apparatus
JPS60140287A (ja) * 1983-12-28 1985-07-25 Mita Ind Co Ltd 除電ランプ装置
US4716436A (en) * 1986-02-26 1987-12-29 Xerox Corporation Charge erase device with flare light control
US5241406A (en) * 1990-01-18 1993-08-31 X-Ray Scanner Corporation X-ray film scanning and digitizing apparatus
JP2862385B2 (ja) * 1991-03-13 1999-03-03 キヤノン株式会社 露光装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3324291A (en) * 1964-07-06 1967-06-06 Xerox Corp Corona generating device with means to cause air flow therethrough to maintain the parts free of dust accumulation
US3416860A (en) * 1965-06-11 1968-12-17 Scm Corp Electrostatic printer
US3556655A (en) * 1968-01-22 1971-01-19 Addressograph Multigraph Photoelectrostatic copying machine

Also Published As

Publication number Publication date
GB1350795A (en) 1974-04-24
US3687538A (en) 1972-08-29
CA931204A (en) 1973-07-31

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