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GB1403218A - Method and apparatus for electrostatic reproduction - Google Patents

Method and apparatus for electrostatic reproduction

Info

Publication number
GB1403218A
GB1403218A GB5605872A GB5605872A GB1403218A GB 1403218 A GB1403218 A GB 1403218A GB 5605872 A GB5605872 A GB 5605872A GB 5605872 A GB5605872 A GB 5605872A GB 1403218 A GB1403218 A GB 1403218A
Authority
GB
United Kingdom
Prior art keywords
image
drum
belt
developed
toner
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
GB5605872A
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.)
Bell and Howell Co
Original Assignee
Bell and Howell Co
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 Bell and Howell Co filed Critical Bell and Howell Co
Publication of GB1403218A publication Critical patent/GB1403218A/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
    • G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
    • G03G15/226—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 where the image is formed on a dielectric layer covering the photoconductive layer
    • G03G15/227—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 where the image is formed on a dielectric layer covering the photoconductive layer the length of the inner surface of the dielectric layer being greater than the length of the outer surface of the photoconductive layer
    • 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
    • G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
    • G03G15/0142—Structure of complete machines
    • 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
    • G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
    • G03G15/0142—Structure of complete machines
    • G03G15/0147—Structure of complete machines using a single reusable electrographic recording member
    • G03G15/0152—Structure of complete machines using a single reusable electrographic recording member onto which the monocolour toner images are superposed before common transfer from the recording member
    • G03G15/0163—Structure of complete machines using a single reusable electrographic recording member onto which the monocolour toner images are superposed before common transfer from the recording member primary transfer to the final recording medium
    • 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
    • G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Combination Of More Than One Step In Electrophotography (AREA)
  • Electrophotography Using Other Than Carlson'S Method (AREA)

Abstract

1403218 Electro-photography BELL & HOWELL CO 5 Dec 1972 [6 Jan 1972] 56058/72 Heading G2H A web or endless belt 120 of insulating material is placed over the surface of a charged photo-conductive member 116, on to which a light image is projected to form an electrostatic latent image, and then receives developer before removal from the photo-conductive member and transfer of the developed image to a support. Preferably the member 116 is a drum, and a developed image is formed on the belt 120 at each revolution. A filter strip 133 may be used to make separation images on the drum, and a plurality of developing units 140, 143, 144, 146 may be used to develop each image with its corresponding colour of toner. Each revolution of the drum results in the formation of four developed separation images on the belt, and they are transferred in succession to a copy sheet 154 which is rotated on an impression cylinder 156 within a curved heater 176 to fix the toner.
GB5605872A 1972-01-06 1972-12-05 Method and apparatus for electrostatic reproduction Expired GB1403218A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00215873A US3820985A (en) 1972-01-06 1972-01-06 Method and apparatus for inductive electrophotography

Publications (1)

Publication Number Publication Date
GB1403218A true GB1403218A (en) 1975-08-28

Family

ID=22804753

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5605872A Expired GB1403218A (en) 1972-01-06 1972-12-05 Method and apparatus for electrostatic reproduction

Country Status (8)

Country Link
US (1) US3820985A (en)
JP (1) JPS4879641A (en)
AU (1) AU5072373A (en)
CA (1) CA990339A (en)
DE (1) DE2263903A1 (en)
FR (1) FR2167790B1 (en)
GB (1) GB1403218A (en)
IT (1) IT972987B (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2261693A5 (en) * 1972-09-21 1975-09-12 Cellophane Sa
US4027964A (en) * 1972-11-27 1977-06-07 Xerox Corporation Apparatus for interposition environment
US4021106A (en) * 1973-03-21 1977-05-03 Bell & Howell Company Apparatus for electrostatic reproduction using plural charges
JPS5826026B2 (en) * 1974-02-01 1983-05-31 京セラミタ株式会社 Transfer method
US3927934A (en) * 1974-03-11 1975-12-23 Xerox Corp Electrostatographic reproduction machines
DE2535572A1 (en) * 1974-08-29 1976-03-11 Xerox Corp NEW XEROGRAPHIC SYSTEMS AND PROCESSES TO IMPROVE THE SHELF LIFE AND LIFE OF SUCH SYSTEMS
US4025188A (en) * 1974-11-25 1977-05-24 Xerox Corporation Photoactive device for xerography
US3924945A (en) * 1974-12-03 1975-12-09 Xerox Corp Apparatus for inductive imaging with simultaneous polar ink development
US4049344A (en) * 1975-03-10 1977-09-20 Xerox Corporation Electrostatic imaging system
JPS5381121A (en) * 1976-12-27 1978-07-18 Kip Kk Method of taking electrophotography and device therefor
DE2704591A1 (en) * 1977-02-04 1978-08-10 Agfa Gevaert Ag ELECTROPHOTOGRAPHIC COPYING PROCESS AND DEVICE FOR CARRYING OUT THE PROCESS
US4188110A (en) * 1978-04-03 1980-02-12 Xerox Corporation Photoconductive belt supporting apparatus
NL8103867A (en) 1981-08-19 1983-03-16 Oce Nederland Bv METHOD AND APPARATUS FOR TRANSFERRING AND FIXING POWDER IMAGES.
DE3215940A1 (en) * 1982-04-29 1983-11-03 Hoechst Ag, 6230 Frankfurt METHOD FOR PRODUCING A FLAT PRINT PLATE
US4545669A (en) * 1984-02-21 1985-10-08 Xerox Corporation Low voltage electrophotography with simultaneous photoreceptor charging, exposure and development
US4899197A (en) * 1988-05-17 1990-02-06 Colorocs Corporation Fuser for use in an electrophotographic print engine
US5229235A (en) * 1988-06-27 1993-07-20 Sony Corporation Electrophotographic process using melted developer
US4987455A (en) * 1989-11-22 1991-01-22 Eastman Kodak Company Multicolor imaging apparatus
US4994858A (en) * 1989-11-22 1991-02-19 Eastman Kodak Company Electrostatographic apparatus for forming multicolor images on a receiving sheet
JPH0463365A (en) * 1990-07-03 1992-02-28 Oki Electric Ind Co Ltd Electrophotographic recording method and electrophotographic device
JP2728579B2 (en) * 1991-09-20 1998-03-18 シャープ株式会社 Electrophotographic equipment

Also Published As

Publication number Publication date
AU5072373A (en) 1974-07-04
FR2167790A1 (en) 1973-08-24
JPS4879641A (en) 1973-10-25
US3820985A (en) 1974-06-28
CA990339A (en) 1976-06-01
DE2263903A1 (en) 1973-07-12
FR2167790B1 (en) 1977-04-22
IT972987B (en) 1974-05-31

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees