FR1245820A - System for the automatic adjustment of the diaphragm in photographic and cinematographic cameras and adaptable to all devices - Google Patents
System for the automatic adjustment of the diaphragm in photographic and cinematographic cameras and adaptable to all devicesInfo
- Publication number
- FR1245820A FR1245820A FR811559A FR811559A FR1245820A FR 1245820 A FR1245820 A FR 1245820A FR 811559 A FR811559 A FR 811559A FR 811559 A FR811559 A FR 811559A FR 1245820 A FR1245820 A FR 1245820A
- Authority
- FR
- France
- Prior art keywords
- adaptable
- photographic
- diaphragm
- devices
- automatic adjustment
- 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.)
- 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
- G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
- G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
- G03B7/081—Analogue circuits
- G03B7/085—Analogue circuits for control of aperture
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR811559A FR1245820A (en) | 1959-11-28 | 1959-11-28 | System for the automatic adjustment of the diaphragm in photographic and cinematographic cameras and adaptable to all devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR811559A FR1245820A (en) | 1959-11-28 | 1959-11-28 | System for the automatic adjustment of the diaphragm in photographic and cinematographic cameras and adaptable to all devices |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1245820A true FR1245820A (en) | 1960-11-10 |
Family
ID=8721904
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR811559A Expired FR1245820A (en) | 1959-11-28 | 1959-11-28 | System for the automatic adjustment of the diaphragm in photographic and cinematographic cameras and adaptable to all devices |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1245820A (en) |
-
1959
- 1959-11-28 FR FR811559A patent/FR1245820A/en not_active Expired
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