GB1436211A - Electrophotographic copying machine - Google Patents

Electrophotographic copying machine

Info

Publication number
GB1436211A
GB1436211A GB3125373A GB3125373A GB1436211A GB 1436211 A GB1436211 A GB 1436211A GB 3125373 A GB3125373 A GB 3125373A GB 3125373 A GB3125373 A GB 3125373A GB 1436211 A GB1436211 A GB 1436211A
Authority
GB
United Kingdom
Prior art keywords
elements
original
copying machine
copy material
uniform
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
GB3125373A
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.)
Fujifilm Business Innovation Corp
Original Assignee
Fuji Xerox Co 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 Fuji Xerox Co Ltd filed Critical Fuji Xerox Co Ltd
Publication of GB1436211A publication Critical patent/GB1436211A/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
    • G03G15/04—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
    • G03G15/04036—Details of illuminating systems, e.g. lamps, reflectors
    • 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
    • G03G15/0105—Details of unit
    • G03G15/011—Details of unit for exposing
    • 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
    • G03G15/043—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 controlling illumination or exposure
    • G03G15/0435—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 controlling illumination or exposure by introducing an optical element in the optical path, e.g. a filter

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Combination Of More Than One Step In Electrophotography (AREA)
GB3125373A 1972-08-18 1973-06-29 Electrophotographic copying machine Expired GB1436211A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47082105A JPS4940140A (el) 1972-08-18 1972-08-18

Publications (1)

Publication Number Publication Date
GB1436211A true GB1436211A (en) 1976-05-19

Family

ID=13765119

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3125373A Expired GB1436211A (en) 1972-08-18 1973-06-29 Electrophotographic copying machine

Country Status (3)

Country Link
US (1) US3841752A (el)
JP (1) JPS4940140A (el)
GB (1) GB1436211A (el)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2309088A (en) * 1996-01-12 1997-07-16 Synectix Ltd Image exposing apparatus

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7541572U (de) * 1975-12-27 1976-10-07 Hoechst Ag, 6000 Frankfurt Mikrofilmrueckvergroesserungsgeraet mit einer anordnung zur automatischen steuerung der lichtmenge
US4099865A (en) * 1977-03-23 1978-07-11 Knippenberg Gerald V Method and apparatus for making color separations from a color transparency
JPS5480738A (en) * 1977-12-09 1979-06-27 Canon Inc Optical system for copying apparatus
US4519703A (en) * 1983-07-15 1985-05-28 Xerox Corporation Document reproduction device utilizing a selective color illuminator
JPS6024561A (ja) * 1983-07-21 1985-02-07 Fuji Xerox Co Ltd カラ−複写機の光学装置
JPS60156568U (ja) * 1984-03-28 1985-10-18 京セラミタ株式会社 画像メモリ−の防止された複写機
US4576462A (en) * 1984-12-05 1986-03-18 Xerox Corporation Illumination system for an electrophotographic printing device
US4814827A (en) * 1985-03-08 1989-03-21 Minnesota Mining And Manufacturing Company Photographic color proofing apparatus
JPH0792619B2 (ja) * 1986-02-28 1995-10-09 株式会社リコー カラー複写機の照明装置
JPH0675157B2 (ja) * 1986-05-17 1994-09-21 ウシオ電機株式会社 カラ−複写機用原稿照明装置
US4940918A (en) * 1989-07-24 1990-07-10 Gte Products Corporation Fluorescent lamp for liquid crystal backlighting

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB941574A (en) * 1959-11-12 1963-11-13 Kodak Ltd Improvements in or relating to colour photography
US3093319A (en) * 1959-11-26 1963-06-11 Gamain Charles Henri Alfred Apparatus for producing artificial daylight
DE1918540U (de) * 1964-11-24 1965-06-24 Agfa Gevaert Ag Fotografisches kopiergeraet mit beleuchtungssystem.
SE342966B (el) * 1968-10-09 1972-02-21 Sveriges Radio Ab
US3682539A (en) * 1969-06-12 1972-08-08 Canon Kk Lighting apparatus for electrophotographic photocopying machine
US3733480A (en) * 1971-06-24 1973-05-15 Columbia Broadcasting Syst Inc Studio lighting apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2309088A (en) * 1996-01-12 1997-07-16 Synectix Ltd Image exposing apparatus

Also Published As

Publication number Publication date
US3841752A (en) 1974-10-15
JPS4940140A (el) 1974-04-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19930628