FR2315105B1 - - Google Patents
Info
- Publication number
- FR2315105B1 FR2315105B1 FR7618244A FR7618244A FR2315105B1 FR 2315105 B1 FR2315105 B1 FR 2315105B1 FR 7618244 A FR7618244 A FR 7618244A FR 7618244 A FR7618244 A FR 7618244A FR 2315105 B1 FR2315105 B1 FR 2315105B1
- 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
- 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
- G03G15/041—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 variable magnification
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
- Facsimile Scanning Arrangements (AREA)
- Variable Magnification In Projection-Type Copying Machines (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Optical Systems Of Projection Type Copiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/588,974 US4029409A (en) | 1975-06-20 | 1975-06-20 | Multi-mode optical scanning system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2315105A1 FR2315105A1 (fr) | 1977-01-14 |
| FR2315105B1 true FR2315105B1 (US06811534-20041102-M00003.png) | 1980-09-12 |
Family
ID=24356076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7618244A Granted FR2315105A1 (fr) | 1975-06-20 | 1976-06-16 | Dispositif d'analyse optique a modes multiples, notamment pour machines de reprographie |
Country Status (11)
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4120578A (en) * | 1976-09-07 | 1978-10-17 | International Business Machines Corporation | Continuously variable reduction scanning optics drive |
| GB1525218A (en) * | 1976-09-07 | 1978-09-20 | Ibm | Electrophotographic copying machine |
| US4084897A (en) * | 1976-12-27 | 1978-04-18 | International Business Machines Corporation | Half-lens/mirror copier providing original-to-copy image reduction |
| JPS5922932B2 (ja) * | 1977-01-24 | 1984-05-30 | 株式会社リコー | 変倍複写機における照度むら補正装置 |
| DE2831944C2 (de) * | 1978-07-18 | 1982-04-08 | Zschimmer, Gero, 8000 München | "Optisch-mechanische Abtasteinrichtung" |
| US5146276A (en) * | 1978-11-09 | 1992-09-08 | Spectrum Sciences B.V. | Rotatable focusing means and variable magnification electrophotocopier |
| JPS55129366A (en) * | 1979-03-29 | 1980-10-07 | Canon Inc | Variable magnification copying apparatus |
| DE3022953A1 (de) * | 1979-06-22 | 1981-01-22 | Canon Kk | Kopiergeraet mit veraenderbarer vergroesserung |
| JPS56162763A (en) * | 1980-03-24 | 1981-12-14 | Asahi Optical Co Ltd | Copying optical system |
| US4338022A (en) * | 1980-12-22 | 1982-07-06 | Minnesota Mining And Manufacturing Company | Multiple magnification optical assembly |
| US4368976A (en) * | 1981-03-09 | 1983-01-18 | Xerox Corporation | Variable speed scanning system |
| US4374619A (en) * | 1981-11-02 | 1983-02-22 | Xerox Corporation | Variable magnification copying apparatus |
| JPS59100426A (ja) * | 1982-12-01 | 1984-06-09 | Fuji Xerox Co Ltd | 複写機の倍率変換機構 |
| US4523837A (en) * | 1983-07-14 | 1985-06-18 | Xerox Corporation | Document handling system to enable large document copying on a standard office copier |
| US4673285A (en) * | 1986-05-23 | 1987-06-16 | Xerox Corporation | Optical scanning of duplex documents |
| JPH02144572A (ja) * | 1988-11-25 | 1990-06-04 | Minolta Camera Co Ltd | 複写装置 |
| US5283602A (en) * | 1990-12-29 | 1994-02-01 | Goldstar Co., Ltd. | Optical system for projector |
| US5386256A (en) * | 1993-04-28 | 1995-01-31 | Sony Dynamic Digital Sound, Inc. | Printer module for recording a digital soundtrack |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3614222A (en) * | 1970-04-24 | 1971-10-19 | Olivetti & Co Spa | Optical drive system for reproducing machine |
| JPS5322444B1 (US06811534-20041102-M00003.png) * | 1971-03-09 | 1978-07-08 | ||
| DE2214830A1 (de) * | 1971-03-31 | 1972-10-26 | Iwatsuki Koki Co , Ltd , Iwatsuki, Saitama (Japan) | Optische Abbildungsvorrichtung |
| JPS536527B2 (US06811534-20041102-M00003.png) * | 1971-12-07 | 1978-03-09 |
-
1975
- 1975-06-20 US US05/588,974 patent/US4029409A/en not_active Expired - Lifetime
-
1976
- 1976-04-29 CA CA251,396A patent/CA1057096A/en not_active Expired
- 1976-05-31 NL NL7605868A patent/NL7605868A/xx not_active Application Discontinuation
- 1976-06-10 DE DE2626058A patent/DE2626058C2/de not_active Expired
- 1976-06-14 JP JP51069643A patent/JPS592009B2/ja not_active Expired
- 1976-06-15 CH CH761276A patent/CH608111A5/xx not_active IP Right Cessation
- 1976-06-16 FR FR7618244A patent/FR2315105A1/fr active Granted
- 1976-06-18 BE BE168100A patent/BE843153A/xx not_active IP Right Cessation
- 1976-06-18 IT IT24470/76A patent/IT1063296B/it active
- 1976-06-18 GB GB25378/76A patent/GB1548452A/en not_active Expired
- 1976-06-18 ES ES449011A patent/ES449011A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US4029409A (en) | 1977-06-14 |
| CA1057096A (en) | 1979-06-26 |
| DE2626058A1 (de) | 1977-01-13 |
| FR2315105A1 (fr) | 1977-01-14 |
| JPS522727A (en) | 1977-01-10 |
| ES449011A1 (es) | 1977-11-16 |
| BE843153A (fr) | 1976-10-18 |
| JPS592009B2 (ja) | 1984-01-17 |
| DE2626058C2 (de) | 1986-07-17 |
| NL7605868A (nl) | 1976-12-22 |
| IT1063296B (it) | 1985-02-11 |
| CH608111A5 (US06811534-20041102-M00003.png) | 1978-12-15 |
| GB1548452A (en) | 1979-07-18 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |