FR1120055A - Improvements in photographic, cinematographic or similar cameras - Google Patents
Improvements in photographic, cinematographic or similar camerasInfo
- Publication number
- FR1120055A FR1120055A FR1120055DA FR1120055A FR 1120055 A FR1120055 A FR 1120055A FR 1120055D A FR1120055D A FR 1120055DA FR 1120055 A FR1120055 A FR 1120055A
- Authority
- FR
- France
- Prior art keywords
- cinematographic
- photographic
- similar cameras
- cameras
- similar
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1120055T | 1952-12-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1120055A true FR1120055A (en) | 1956-06-29 |
Family
ID=9631249
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1120055D Expired FR1120055A (en) | 1952-12-15 | 1952-12-15 | Improvements in photographic, cinematographic or similar cameras |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1120055A (en) |
-
1952
- 1952-12-15 FR FR1120055D patent/FR1120055A/en not_active Expired
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