GB1350946A - Electrophotographic process - Google Patents

Electrophotographic process

Info

Publication number
GB1350946A
GB1350946A GB1350946DA GB1350946A GB 1350946 A GB1350946 A GB 1350946A GB 1350946D A GB1350946D A GB 1350946DA GB 1350946 A GB1350946 A GB 1350946A
Authority
GB
United Kingdom
Prior art keywords
toner
donor
exposed
ray tube
cathode ray
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
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.)
Xerox Ltd
Original Assignee
Rank Xerox 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 Rank Xerox Ltd filed Critical Rank Xerox Ltd
Publication of GB1350946A publication Critical patent/GB1350946A/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
    • G03G13/00—Electrographic processes using a charge pattern
    • G03G13/01—Electrographic processes using a charge pattern for multicoloured copies
    • G03G13/016—Electrographic processes using a charge pattern for multicoloured copies in which the colour powder image is formed directly on the recording material, e.g. DEP methods
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G13/00—Electrographic processes using a charge pattern
    • G03G13/22—Processes involving a combination of more than one step according to groups G03G13/02 - G03G13/20
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2217/00—Details of electrographic processes using patterns other than charge patterns
    • G03G2217/0041—Process where the image-carrying member is always completely covered by a toner layer

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

1350946 Electro-photography RANK XEROX Ltd 23 July 1971 34704/71 Heading G2H A transparent photo-conductive donor member 3 having an electrostatically adhering layer of toner 7 thereon is imagewise exposed and toner is transferred, e. g. by means of a transfer electrode, from the exposed areas to a transfer member 8. The donor member may be uniformly charged and exposed through a screen before application of the toner to the donor member. Exposure may be effected by means of a cathode ray tube 12 fed with an electrical signal from an amplifier 9 which optionally effects invertion of the signal (to produce a positive image) and a photo-multiplier 17 which collects light from a cathode ray tube 13 after reflection from an original 14. A multi-colour print may be produced by successive transfer steps from donor members bearing cyan, green and yellow toner respectively.
GB1350946D 1971-07-23 1971-07-23 Electrophotographic process Expired GB1350946A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3470471 1971-07-23

Publications (1)

Publication Number Publication Date
GB1350946A true GB1350946A (en) 1974-04-24

Family

ID=10368928

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1350946D Expired GB1350946A (en) 1971-07-23 1971-07-23 Electrophotographic process

Country Status (1)

Country Link
GB (1) GB1350946A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0270728A1 (en) * 1986-11-10 1988-06-15 EASTMAN KODAK COMPANY (a New Jersey corporation) Electrophotographic apparatus for forming a multi-color image
GB2210990A (en) * 1987-10-09 1989-06-21 Brother Ind Ltd Apparatus for producing an image recording medium and method of producing the same
US4974015A (en) * 1988-12-30 1990-11-27 Brother Kogyo Kabushiki Kaisha Image recording medium producing apparatus
US5038710A (en) * 1988-11-18 1991-08-13 Brother Kogyo Kabushiki Kaisha Developer material coating apparatus
US5060011A (en) * 1988-04-28 1991-10-22 Brother Kogyo Kabushiki Kaisha Image recording apparatus

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0270728A1 (en) * 1986-11-10 1988-06-15 EASTMAN KODAK COMPANY (a New Jersey corporation) Electrophotographic apparatus for forming a multi-color image
GB2210990A (en) * 1987-10-09 1989-06-21 Brother Ind Ltd Apparatus for producing an image recording medium and method of producing the same
US5050531A (en) * 1987-10-09 1991-09-24 Brother Kogyo Kabushiki Kaisha Apparatus for producing an image recording medium
GB2210990B (en) * 1987-10-09 1992-02-19 Brother Ind Ltd Apparatus for producing an image recording medium and method of producing the same
US5060011A (en) * 1988-04-28 1991-10-22 Brother Kogyo Kabushiki Kaisha Image recording apparatus
US5038710A (en) * 1988-11-18 1991-08-13 Brother Kogyo Kabushiki Kaisha Developer material coating apparatus
US4974015A (en) * 1988-12-30 1990-11-27 Brother Kogyo Kabushiki Kaisha Image recording medium producing apparatus

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees