FR2270624A1 - - Google Patents

Info

Publication number
FR2270624A1
FR2270624A1 FR7514227A FR7514227A FR2270624A1 FR 2270624 A1 FR2270624 A1 FR 2270624A1 FR 7514227 A FR7514227 A FR 7514227A FR 7514227 A FR7514227 A FR 7514227A FR 2270624 A1 FR2270624 A1 FR 2270624A1
Authority
FR
France
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.)
Granted
Application number
FR7514227A
Other languages
French (fr)
Other versions
FR2270624B1 (el
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 Corp
Original Assignee
Xerox Corp
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 US05/467,326 external-priority patent/US4108654A/en
Application filed by Xerox Corp filed Critical Xerox Corp
Publication of FR2270624A1 publication Critical patent/FR2270624A1/fr
Application granted granted Critical
Publication of FR2270624B1 publication Critical patent/FR2270624B1/fr
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
    • G03G15/04027—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 and forming half-tone image
    • 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
    • G03G15/0115—Details of unit for exposing and forming a half-tone image

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Color Electrophotography (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Spectrometry And Color Measurement (AREA)
FR7514227A 1974-05-06 1975-05-06 Expired FR2270624B1 (el)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US46716174A 1974-05-06 1974-05-06
US05/467,326 US4108654A (en) 1974-05-06 1974-05-06 Color electrophotographic process employing a document screen

Publications (2)

Publication Number Publication Date
FR2270624A1 true FR2270624A1 (el) 1975-12-05
FR2270624B1 FR2270624B1 (el) 1978-08-25

Family

ID=27041944

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7514227A Expired FR2270624B1 (el) 1974-05-06 1975-05-06

Country Status (6)

Country Link
JP (1) JPS5133632A (el)
CA (1) CA1062762A (el)
DE (1) DE2520009A1 (el)
FR (1) FR2270624B1 (el)
GB (1) GB1490898A (el)
NL (1) NL7505039A (el)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5231747A (en) * 1975-09-05 1977-03-10 Hitachi Ltd Screen for color copying machine
JPH0731427B2 (ja) * 1986-04-25 1995-04-10 株式会社リコー 静電転写型記録装置

Also Published As

Publication number Publication date
FR2270624B1 (el) 1978-08-25
GB1490898A (en) 1977-11-02
JPS5133632A (en) 1976-03-22
DE2520009A1 (de) 1975-11-20
NL7505039A (nl) 1975-07-31
CA1062762A (en) 1979-09-18

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Legal Events

Date Code Title Description
ST Notification of lapse