GB1603800A - Copying or printing apparatus - Google Patents

Copying or printing apparatus Download PDF

Info

Publication number
GB1603800A
GB1603800A GB4028780A GB4028780A GB1603800A GB 1603800 A GB1603800 A GB 1603800A GB 4028780 A GB4028780 A GB 4028780A GB 4028780 A GB4028780 A GB 4028780A GB 1603800 A GB1603800 A GB 1603800A
Authority
GB
United Kingdom
Prior art keywords
latent image
image
image forming
voltage
electrostatic latent
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.)
Expired
Application number
GB4028780A
Other languages
English (en)
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 Inc
Original Assignee
Canon Inc
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
Priority claimed from JP52033840A external-priority patent/JPS6016624B2/ja
Priority claimed from JP3383977A external-priority patent/JPS53119037A/ja
Priority claimed from JP3384177A external-priority patent/JPS53119039A/ja
Priority claimed from JP4824377A external-priority patent/JPS53133036A/ja
Application filed by Canon Inc filed Critical Canon Inc
Publication of GB1603800A publication Critical patent/GB1603800A/en
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
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/05—Apparatus for electrographic processes using a charge pattern for imagewise charging, e.g. photoconductive control screen, optically activated charging means
    • G03G15/051—Apparatus for electrographic processes using a charge pattern for imagewise charging, e.g. photoconductive control screen, optically activated charging means by modulating an ion flow through a photoconductive screen onto which a charge image has been formed

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
GB4028780A 1977-03-26 1978-03-22 Copying or printing apparatus Expired GB1603800A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP52033840A JPS6016624B2 (ja) 1977-03-26 1977-03-26 画像形成方法
JP3383977A JPS53119037A (en) 1977-03-26 1977-03-26 Forming method of image
JP3384177A JPS53119039A (en) 1977-03-26 1977-03-26 Forming method of image
JP4824377A JPS53133036A (en) 1977-04-26 1977-04-26 Image forming method

Publications (1)

Publication Number Publication Date
GB1603800A true GB1603800A (en) 1981-11-25

Family

ID=27459849

Family Applications (2)

Application Number Title Priority Date Filing Date
GB4028780A Expired GB1603800A (en) 1977-03-26 1978-03-22 Copying or printing apparatus
GB1142578A Expired GB1603181A (en) 1977-03-26 1978-03-22 Copying or printing apparatus

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB1142578A Expired GB1603181A (en) 1977-03-26 1978-03-22 Copying or printing apparatus

Country Status (3)

Country Link
DE (1) DE2812970A1 (ja)
FR (1) FR2395532B1 (ja)
GB (2) GB1603800A (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2063158B (en) * 1979-11-16 1983-08-10 Gestetner Mfg Ltd Copying method and apparatus
JPS5773758A (en) * 1980-10-24 1982-05-08 Canon Inc Protector for screen-shaped photoreceptor
US4526850A (en) * 1983-06-27 1985-07-02 Photon Chroma, Inc. Diode bias electrophotographic toning system and method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3680954A (en) * 1965-04-30 1972-08-01 Eastman Kodak Co Electrography
US3881921A (en) * 1971-10-01 1975-05-06 Eastman Kodak Co Electrophotographic process employing image and control grid means
US3788739A (en) * 1972-06-21 1974-01-29 Xerox Corp Image compensation method and apparatus for electrophotographic devices
US3864035A (en) * 1973-09-14 1975-02-04 Coulter Information Systems Shutterless camera system
US3986871A (en) * 1973-12-12 1976-10-19 Addressograph-Multigraph Corporation Charged particle modulator device and improved imaging methods for use thereof
JPS5441502B2 (ja) * 1974-10-21 1979-12-08
AU499872B2 (en) * 1974-10-23 1979-05-03 Coulter Systems Corporation Multiple copy electrography
JPS5160527A (en) * 1974-11-22 1976-05-26 Canon Kk Gazokeiseiho oyobi sochi

Also Published As

Publication number Publication date
DE2812970A1 (de) 1978-10-05
DE2812970C2 (ja) 1990-08-02
FR2395532B1 (fr) 1986-11-21
GB1603181A (en) 1981-11-18
FR2395532A1 (fr) 1979-01-19

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years

Effective date: 19980321