JPS5618953B2 - - Google Patents

Info

Publication number
JPS5618953B2
JPS5618953B2 JP10548371A JP10548371A JPS5618953B2 JP S5618953 B2 JPS5618953 B2 JP S5618953B2 JP 10548371 A JP10548371 A JP 10548371A JP 10548371 A JP10548371 A JP 10548371A JP S5618953 B2 JPS5618953 B2 JP S5618953B2
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.)
Expired
Application number
JP10548371A
Other languages
Japanese (ja)
Other versions
JPS4871240A (enrdf_load_stackoverflow
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 JP10548371A priority Critical patent/JPS5618953B2/ja
Priority to GB5955772A priority patent/GB1412249A/en
Priority to US00317779A priority patent/US3778148A/en
Priority to FR7246448A priority patent/FR2354029A5/fr
Priority to DE2263707A priority patent/DE2263707C3/de
Publication of JPS4871240A publication Critical patent/JPS4871240A/ja
Publication of JPS5618953B2 publication Critical patent/JPS5618953B2/ja
Expired 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
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/06—Eliminating residual charges from a reusable imaging member
    • G03G21/08—Eliminating residual charges from a reusable imaging member using optical radiation
    • 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
    • G03G2215/0443—Copy medium outline relative to the charge image
    • 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)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Cleaning In Electrography (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
JP10548371A 1971-12-27 1971-12-27 Expired JPS5618953B2 (enrdf_load_stackoverflow)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP10548371A JPS5618953B2 (enrdf_load_stackoverflow) 1971-12-27 1971-12-27
GB5955772A GB1412249A (en) 1971-12-27 1972-12-22 Copying method and apparatus
US00317779A US3778148A (en) 1971-12-27 1972-12-22 Apparatus and method for selectively discharging the photoconductive surface of an electrostatic drum copier to facilitate the cleaning thereof
FR7246448A FR2354029A5 (fr) 1971-12-27 1972-12-27 Procede et machine de reproduction de documents
DE2263707A DE2263707C3 (de) 1971-12-27 1972-12-27 Einrichtung zur Steuerung einer elektrophotographischen Kopiermaschine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10548371A JPS5618953B2 (enrdf_load_stackoverflow) 1971-12-27 1971-12-27

Publications (2)

Publication Number Publication Date
JPS4871240A JPS4871240A (enrdf_load_stackoverflow) 1973-09-27
JPS5618953B2 true JPS5618953B2 (enrdf_load_stackoverflow) 1981-05-02

Family

ID=14408821

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10548371A Expired JPS5618953B2 (enrdf_load_stackoverflow) 1971-12-27 1971-12-27

Country Status (5)

Country Link
US (1) US3778148A (enrdf_load_stackoverflow)
JP (1) JPS5618953B2 (enrdf_load_stackoverflow)
DE (1) DE2263707C3 (enrdf_load_stackoverflow)
FR (1) FR2354029A5 (enrdf_load_stackoverflow)
GB (1) GB1412249A (enrdf_load_stackoverflow)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS588507B2 (ja) * 1974-06-10 1983-02-16 株式会社リコー 湿式現像装置
DE2535366C3 (de) * 1974-08-14 1981-05-07 Ricoh Co., Ltd., Tokyo Elektrophotographisches Verfahren und Einrichtung
JPS51119229A (en) * 1975-04-11 1976-10-19 Minolta Camera Co Ltd Electrophotography
NL7507493A (nl) * 1975-06-24 1976-12-28 Oce Van Der Grinten Nv Kopieerinrichting.
JPS5229145U (enrdf_load_stackoverflow) * 1975-08-21 1977-03-01
JPS599054B2 (ja) * 1975-10-29 1984-02-29 ミノルタ株式会社 電子複写装置
JPS5264936A (en) * 1975-11-25 1977-05-28 Canon Inc Apparatus for electronic photography
JPS5289923A (en) * 1976-01-23 1977-07-28 Ricoh Co Ltd Cleaning of remaining toner in electrophotographic copier
JPS52110640A (en) * 1976-03-15 1977-09-16 Minolta Camera Co Ltd Static latent image transferring electrophotographic copier
CH621421A5 (en) * 1976-03-31 1981-01-30 Du Pont Magnetographic dry copying process and device for carrying it out
US4047811A (en) * 1976-05-27 1977-09-13 Xerox Corporation Available light marginal illumination system
JPS6320996Y2 (enrdf_load_stackoverflow) * 1978-04-07 1988-06-10
JPS5550291A (en) * 1978-10-09 1980-04-11 Toshiba Corp Electronic copier
DE2929037A1 (de) * 1979-07-18 1981-02-05 Siemens Ag Verfahren und vorrichtung zur ionografischen roentgenbild-aufzeichnung
US4534641A (en) * 1983-10-31 1985-08-13 Xerox Corporation Charge erase device for copying or reproduction machines and printers
US4538900A (en) * 1983-11-09 1985-09-03 Ricoh Company, Ltd. Electrophotographic copying apparatus including drum conditioning apparatus and method
US4561761A (en) * 1984-06-25 1985-12-31 Xerox Corporation Charge erase device for copying or reproduction machines and printers
NL8502186A (nl) * 1985-08-05 1987-03-02 Oce Nederland Bv Kopieerapparaat voorzien van instelbare kadreermiddelen.
US4785324A (en) * 1986-03-26 1988-11-15 Kabushiki Kaisha Toshiba Electrophotographic apparatus and method for preventing the lowering of a charging voltage at a photoreceptor
JPH087487B2 (ja) * 1987-05-26 1996-01-29 キヤノン株式会社 画像形成装置
US5459557A (en) * 1992-06-30 1995-10-17 Canon Kabushiki Kaisha Image forming apparatus
JP5948284B2 (ja) * 2013-07-17 2016-07-06 京セラドキュメントソリューションズ株式会社 画像形成装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2909971A (en) * 1954-03-29 1959-10-27 Ibm Printing machine
US3318698A (en) * 1963-05-03 1967-05-09 Xerox Corp Xeroprinting reproduction
US3540806A (en) * 1968-03-06 1970-11-17 Xerox Corp Half-toning method and apparatus for solid area coverage
US3698926A (en) * 1969-11-11 1972-10-17 Katsuragawa Denki Kk Method and apparatus for supplementing toner in electrophotographic machines

Also Published As

Publication number Publication date
FR2354029A5 (fr) 1977-12-30
US3778148A (en) 1973-12-11
DE2263707B2 (de) 1978-05-03
JPS4871240A (enrdf_load_stackoverflow) 1973-09-27
DE2263707C3 (de) 1978-12-21
GB1412249A (en) 1975-10-29
DE2263707A1 (de) 1973-07-05

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