FR1162518A - Objectif - Google Patents
ObjectifInfo
- Publication number
- FR1162518A FR1162518A FR1162518DA FR1162518A FR 1162518 A FR1162518 A FR 1162518A FR 1162518D A FR1162518D A FR 1162518DA FR 1162518 A FR1162518 A FR 1162518A
- Authority
- FR
- France
- Prior art keywords
- goal
- 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 |
|---|---|---|---|
| FR1162518T | 1954-12-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1162518A true FR1162518A (fr) | 1958-09-15 |
Family
ID=9653050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1162518D Expired FR1162518A (fr) | 1954-12-21 | 1954-12-21 | Objectif |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1162518A (fr) |
-
1954
- 1954-12-21 FR FR1162518D patent/FR1162518A/fr not_active Expired
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