FR2116380B1 - - Google Patents
Info
- Publication number
- FR2116380B1 FR2116380B1 FR7137749A FR7137749A FR2116380B1 FR 2116380 B1 FR2116380 B1 FR 2116380B1 FR 7137749 A FR7137749 A FR 7137749A FR 7137749 A FR7137749 A FR 7137749A FR 2116380 B1 FR2116380 B1 FR 2116380B1
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Systems Of Projection Type Copiers (AREA)
- Variable Magnification In Projection-Type Copying Machines (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US8750870A | 1970-11-06 | 1970-11-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2116380A1 FR2116380A1 (fr) | 1972-07-13 |
| FR2116380B1 true FR2116380B1 (fr) | 1974-05-31 |
Family
ID=22205608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7137749A Expired FR2116380B1 (fr) | 1970-11-06 | 1971-10-12 |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS541178B1 (fr) |
| AU (1) | AU462019B2 (fr) |
| BE (1) | BE774410A (fr) |
| CA (1) | CA967796A (fr) |
| CH (1) | CH530661A (fr) |
| DE (1) | DE2154944A1 (fr) |
| ES (1) | ES396573A1 (fr) |
| FR (1) | FR2116380B1 (fr) |
| GB (1) | GB1336819A (fr) |
| NL (1) | NL7113050A (fr) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3778147A (en) * | 1972-07-11 | 1973-12-11 | Xerox Corp | Electrostatic reproduction machine having selectable magnification ratios |
| US3897148A (en) * | 1973-11-29 | 1975-07-29 | Ibm | Optical scanning system |
| JPS6014345B2 (ja) * | 1974-12-25 | 1985-04-12 | 株式会社リコー | 電子複写機における変倍スリツト露光方法 |
| GB1490755A (en) * | 1975-03-10 | 1977-11-02 | Seib M | Optical viewing apparatus |
| US4013361A (en) * | 1975-06-20 | 1977-03-22 | Xerox Corporation | Optical apparatus and reproducing machine |
| JPS5949574B2 (ja) * | 1975-10-30 | 1984-12-04 | ゼロツクス、コ−ポレ−シヨン | 複写機 |
| 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 |
| US4105327A (en) * | 1976-12-09 | 1978-08-08 | International Business Machines Corporation | Multiple reduction indicators for continuously variable reduction copier machines |
| JPS5392126A (en) * | 1977-01-25 | 1978-08-12 | Ricoh Co Ltd | Exposure regulator for variable magnification copying machine |
| CA1126800A (fr) * | 1978-11-09 | 1982-06-29 | Benzion Landa | Dispositif de focalisation tournable pour copieur electrophotographique a agrandissement variable |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1198539A (en) * | 1968-12-09 | 1970-07-15 | Tokyo Shibaura Electric Co | Photocopying Apparatus. |
| JPS4821892B1 (fr) * | 1969-02-28 | 1973-07-02 |
-
1971
- 1971-09-22 JP JP7350571A patent/JPS541178B1/ja active Pending
- 1971-09-23 NL NL7113050A patent/NL7113050A/xx active Search and Examination
- 1971-09-24 GB GB4457871A patent/GB1336819A/en not_active Expired
- 1971-10-12 FR FR7137749A patent/FR2116380B1/fr not_active Expired
- 1971-10-25 BE BE774410A patent/BE774410A/fr not_active IP Right Cessation
- 1971-10-28 CH CH1576071A patent/CH530661A/de not_active IP Right Cessation
- 1971-11-02 AU AU35279/71A patent/AU462019B2/en not_active Expired
- 1971-11-02 ES ES396573A patent/ES396573A1/es not_active Expired
- 1971-11-02 CA CA126,620A patent/CA967796A/en not_active Expired
- 1971-11-05 DE DE19712154944 patent/DE2154944A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| AU3527971A (en) | 1973-05-10 |
| BE774410A (fr) | 1972-02-14 |
| FR2116380A1 (fr) | 1972-07-13 |
| GB1336819A (en) | 1973-11-14 |
| AU462019B2 (en) | 1975-06-12 |
| CA967796A (en) | 1975-05-20 |
| CH530661A (de) | 1972-11-15 |
| NL7113050A (fr) | 1972-05-09 |
| DE2154944A1 (de) | 1972-05-18 |
| ES396573A1 (es) | 1974-05-16 |
| JPS541178B1 (fr) | 1979-01-22 |