FR1239601A - Posemètre pour appareil photographique - Google Patents
Posemètre pour appareil photographiqueInfo
- Publication number
- FR1239601A FR1239601A FR808711A FR808711A FR1239601A FR 1239601 A FR1239601 A FR 1239601A FR 808711 A FR808711 A FR 808711A FR 808711 A FR808711 A FR 808711A FR 1239601 A FR1239601 A FR 1239601A
- Authority
- FR
- France
- Prior art keywords
- camera
- light meter
- meter
- light
- 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 |
---|---|---|---|
US1239601XA | 1959-07-31 | 1959-07-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1239601A true FR1239601A (fr) | 1960-08-26 |
Family
ID=22411941
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR808711A Expired FR1239601A (fr) | 1959-07-31 | 1959-10-28 | Posemètre pour appareil photographique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1239601A (fr) |
-
1959
- 1959-10-28 FR FR808711A patent/FR1239601A/fr not_active Expired
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