FR2251845B1 - - Google Patents
Info
- Publication number
- FR2251845B1 FR2251845B1 FR7437638A FR7437638A FR2251845B1 FR 2251845 B1 FR2251845 B1 FR 2251845B1 FR 7437638 A FR7437638 A FR 7437638A FR 7437638 A FR7437638 A FR 7437638A FR 2251845 B1 FR2251845 B1 FR 2251845B1
- 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.)
- Expired
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
- G03B27/522—Projection optics
- G03B27/525—Projection optics for slit exposure
- G03B27/526—Projection optics for slit exposure in which the projection optics move
-
- 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
- G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
- G03G15/28—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which projection is obtained by line scanning
-
- 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)
- Optics & Photonics (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
- Optical Systems Of Projection Type Copiers (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Facsimile Scanning Arrangements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2357721A DE2357721C3 (de) | 1973-11-19 | 1973-11-19 | Anordnung für Beleuchtung und Abtastung in Projektionskopiereinrichtungen, insbesondere für elektrofotografische Kopiergeräte |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2251845A1 FR2251845A1 (fr) | 1975-06-13 |
FR2251845B1 true FR2251845B1 (fr) | 1981-04-30 |
Family
ID=5898530
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7437638A Expired FR2251845B1 (fr) | 1973-11-19 | 1974-11-15 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3982829A (fr) |
JP (1) | JPS5733790B2 (fr) |
DE (1) | DE2357721C3 (fr) |
FR (1) | FR2251845B1 (fr) |
GB (1) | GB1466898A (fr) |
NL (1) | NL7414602A (fr) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52123625A (en) * | 1976-04-09 | 1977-10-18 | Ricoh Co Ltd | Focusing optical system for electrophotographic copier |
US4190347A (en) * | 1978-08-10 | 1980-02-26 | American Optical Corporation | Line illuminator |
CA1127230A (fr) * | 1978-11-09 | 1982-07-06 | Benzion Landa | Photocopieur electrophotographique a source de lumiere fixe |
US4287414A (en) * | 1979-06-29 | 1981-09-01 | International Business Machines Corp. | Illumination and pick up apparatus |
US4342511A (en) * | 1980-08-20 | 1982-08-03 | International Business Machines Corporation | Illumination system having an efficient light guide |
JPS5778191A (en) * | 1980-11-04 | 1982-05-15 | Canon Inc | Adjusting method and device for quantity of light in array type light source |
US4365275A (en) * | 1981-05-08 | 1982-12-21 | Delta Scan, Inc. | Method for producing images on radiation sensitive recording mediums |
US4353628A (en) * | 1981-05-08 | 1982-10-12 | Delta Scan, Inc. | Apparatus for producing images on radiation sensitive recording mediums |
JPS58114978A (ja) * | 1981-12-28 | 1983-07-08 | Seiko Epson Corp | 液晶光学的印写装置 |
IL66788A (en) * | 1982-09-14 | 1985-02-28 | Optrotech Ltd | Optical scanning apparatus using a wave guide |
FR2584166B1 (fr) * | 1985-06-28 | 1989-09-15 | Primat Didier | Procede et dispositif d'eclairage intense homogene et directionnel d'une zone longiligne d'une scene |
JPH0249888A (ja) * | 1988-08-10 | 1990-02-20 | Kazuo Murazaki | 回転式掘削ビット |
US4899040A (en) * | 1988-09-08 | 1990-02-06 | Eastman Kodak Company | Light-conditioning apparatus for an image scanner illumination system |
US4952022A (en) * | 1989-03-02 | 1990-08-28 | Xerox Corporation | Fiber optic line illuminator with deformed end fibers and method of making same |
DE4404615A1 (de) * | 1994-02-14 | 1995-08-17 | Agfa Gevaert Ag | Kopiermaschine |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3125013A (en) * | 1964-03-17 | Apparatus for reflex copying by the use of fiber optical devices | ||
US3175481A (en) * | 1960-05-02 | 1965-03-30 | Ibm | Document copier |
US3114283A (en) * | 1960-10-31 | 1963-12-17 | Bausch & Lomb | Light sensing method and apparatus therefor |
US3163080A (en) * | 1961-10-17 | 1964-12-29 | Art Film Lab Inc Du | Fiber optics film printing systems |
US3232201A (en) * | 1963-08-14 | 1966-02-01 | Eastman Kodak Co | Fiber optical scanning system |
US3825335A (en) * | 1973-01-04 | 1974-07-23 | Polaroid Corp | Variable color photographic lighting system |
-
1973
- 1973-11-19 DE DE2357721A patent/DE2357721C3/de not_active Expired
-
1974
- 1974-11-08 NL NL7414602A patent/NL7414602A/xx not_active Application Discontinuation
- 1974-11-15 FR FR7437638A patent/FR2251845B1/fr not_active Expired
- 1974-11-18 JP JP13264374A patent/JPS5733790B2/ja not_active Expired
- 1974-11-18 US US05/524,894 patent/US3982829A/en not_active Expired - Lifetime
- 1974-11-18 GB GB4989874A patent/GB1466898A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1466898A (en) | 1977-03-09 |
DE2357721B2 (de) | 1978-06-08 |
NL7414602A (nl) | 1975-05-21 |
FR2251845A1 (fr) | 1975-06-13 |
JPS5733790B2 (fr) | 1982-07-19 |
DE2357721C3 (de) | 1979-02-22 |
US3982829A (en) | 1976-09-28 |
DE2357721A1 (de) | 1975-05-28 |
JPS5081551A (fr) | 1975-07-02 |
AU7546574A (en) | 1976-05-20 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |