FR2412877A1 - Copieur optique - Google Patents
Copieur optiqueInfo
- 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
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.
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)
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)
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)
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 |
-
1977
- 1977-12-23 DE DE2757850A patent/DE2757850C3/de not_active Expired
-
1978
- 1978-12-04 FR FR7834121A patent/FR2412877A1/fr active Granted
- 1978-12-14 US US05/969,480 patent/US4194831A/en not_active Expired - Lifetime
- 1978-12-21 IT IT7852411A patent/IT7852411A0/it unknown
- 1978-12-21 GB GB7849717A patent/GB2014322B/en not_active Expired
-
1982
- 1982-08-13 HK HK356/82A patent/HK35682A/xx unknown
Patent Citations (6)
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)
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 |