FR81186E - Automatic diaphragm for photographic and cinematographic cameras - Google Patents
Automatic diaphragm for photographic and cinematographic camerasInfo
- Publication number
- FR81186E FR81186E FR8384A FR42008384A FR81186E FR 81186 E FR81186 E FR 81186E FR 8384 A FR8384 A FR 8384A FR 42008384 A FR42008384 A FR 42008384A FR 81186 E FR81186 E FR 81186E
- Authority
- FR
- France
- Prior art keywords
- photographic
- automatic diaphragm
- cinematographic cameras
- cinematographic
- cameras
- 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
- G03B7/12—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 a hand-actuated member moved from one position to another providing the energy to move the setting member, e.g. depression of shutter release button causes a stepped feeler to co-operate with the pointer of the light-sensitive device to set the diaphragm and thereafter release the shutter
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8384A FR81186E (en) | 1962-02-16 | 1962-02-16 | Automatic diaphragm for photographic and cinematographic cameras |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8384A FR81186E (en) | 1962-02-16 | 1962-02-16 | Automatic diaphragm for photographic and cinematographic cameras |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR81186E true FR81186E (en) | 1963-08-09 |
Family
ID=1365314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8384A Expired FR81186E (en) | 1962-02-16 | 1962-02-16 | Automatic diaphragm for photographic and cinematographic cameras |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR81186E (en) |
-
1962
- 1962-02-16 FR FR8384A patent/FR81186E/en not_active Expired
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