FR2412877A1 - Copieur optique - Google Patents

Copieur optique

Info

Publication number
FR2412877A1
FR2412877A1 FR7834121A FR7834121A FR2412877A1 FR 2412877 A1 FR2412877 A1 FR 2412877A1 FR 7834121 A FR7834121 A FR 7834121A FR 7834121 A FR7834121 A FR 7834121A FR 2412877 A1 FR2412877 A1 FR 2412877A1
Authority
FR
France
Prior art keywords
document
optical
copier
frame
edge
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.)
Granted
Application number
FR7834121A
Other languages
English (en)
Other versions
FR2412877B1 (fr
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.)
Agfa Gevaert AG
Original Assignee
Agfa Gevaert AG
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 Agfa Gevaert AG filed Critical Agfa Gevaert AG
Publication of FR2412877A1 publication Critical patent/FR2412877A1/fr
Application granted granted Critical
Publication of FR2412877B1 publication Critical patent/FR2412877B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/62—Holders for the original
    • G03B27/6207—Holders for the original in copying cameras
    • G03B27/6221—Transparent copy platens
    • 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)
  • Holders For Sensitive Materials And Originals (AREA)
  • Facsimile Scanning Arrangements (AREA)

Abstract

L'INVENTION CONCERNE UN COPIEUR OPTIQUE. CE COPIEUR COMPORTE UNE PLAQUE TRANSPARENTE 5 D'APPUI DU DOCUMENT ET UN CADRE 7 DONT LE BORD FORME UNE BUTEE POUR LE DOCUMENT 6. UNE BANDE DIFFUSANTE 14 DEBORDANT LEGEREMENT AU-DELA DU BORD DU CADRE ET SITUEE EN DEHORS DU PLAN DE NETTETE COTE DOCUMENT, A POUR FONCTION D'EVITER LA FORMATION D'UNE BANDE NOIRE SUR LA COPIE AUTOUR DES LIMITES DU DOCUMENT. APPLICATION NOTAMMENT AUX COPIEURS OPTIQUES POUR LA PHOTOCOPIE ELECTROSTATIQUE.
FR7834121A 1977-12-23 1978-12-04 Copieur optique Granted FR2412877A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2757850A DE2757850C3 (de) 1977-12-23 1977-12-23 Transparente Auflageplatte für ein Original in einem optischen Kopiergerät

Publications (2)

Publication Number Publication Date
FR2412877A1 true FR2412877A1 (fr) 1979-07-20
FR2412877B1 FR2412877B1 (fr) 1982-02-26

Family

ID=6027175

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7834121A Granted FR2412877A1 (fr) 1977-12-23 1978-12-04 Copieur optique

Country Status (6)

Country Link
US (1) US4194831A (fr)
DE (1) DE2757850C3 (fr)
FR (1) FR2412877A1 (fr)
GB (1) GB2014322B (fr)
HK (1) HK35682A (fr)
IT (1) IT7852411A0 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55142365A (en) * 1979-04-24 1980-11-06 Canon Inc Copying apparatus
US4639121A (en) * 1985-06-24 1987-01-27 Xerox Corporation Document registration system
US4728994A (en) * 1986-10-17 1988-03-01 Xerox Corporation Illumination system utilizing a document platen with a diffusely reflecting surface

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE6916869U (de) * 1969-04-25 1970-01-15 Agfa Gevaert Ag Kopiergeraet
FR2101236A1 (fr) * 1970-08-05 1972-03-31 Eastman Kodak Co
GB1446748A (en) * 1972-12-27 1976-08-18 Fuji Xerox Co Ltd Electrophotographic copying apparatus
US3998541A (en) * 1975-04-18 1976-12-21 Eastman Kodak Company Illumination arrangement providing for interframe flashdown
FR2322394A1 (fr) * 1975-09-01 1977-03-25 Oce Van Der Grinten Nv Procede et dispositif pour eviter les effets de silhouettage pendant l'exposition episcopique d'un original

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3712731A (en) * 1969-12-28 1973-01-23 Ricoh Kk Heat shield device for a reproducing apparatus
US3771082A (en) * 1972-01-03 1973-11-06 Xerox Corp Copying apparatus with auxiliary light source for illuminating an original to be reproduced
US4118119A (en) * 1976-09-02 1978-10-03 Xerox Corporation Facetted edge fadeout reflector

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE6916869U (de) * 1969-04-25 1970-01-15 Agfa Gevaert Ag Kopiergeraet
FR2046473A5 (fr) * 1969-04-25 1971-03-05 Agfa Gevaert Ag
FR2101236A1 (fr) * 1970-08-05 1972-03-31 Eastman Kodak Co
GB1446748A (en) * 1972-12-27 1976-08-18 Fuji Xerox Co Ltd Electrophotographic copying apparatus
US3998541A (en) * 1975-04-18 1976-12-21 Eastman Kodak Company Illumination arrangement providing for interframe flashdown
FR2322394A1 (fr) * 1975-09-01 1977-03-25 Oce Van Der Grinten Nv Procede et dispositif pour eviter les effets de silhouettage pendant l'exposition episcopique d'un original

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/77 *

Also Published As

Publication number Publication date
US4194831A (en) 1980-03-25
DE2757850B2 (de) 1980-05-22
GB2014322A (en) 1979-08-22
HK35682A (en) 1982-08-20
GB2014322B (en) 1982-04-15
DE2757850C3 (de) 1981-01-29
IT7852411A0 (it) 1978-12-21
DE2757850A1 (de) 1979-06-28
FR2412877B1 (fr) 1982-02-26

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Legal Events

Date Code Title Description
ST Notification of lapse