FR1028592A - Posemètre électrique - Google Patents
Posemètre électriqueInfo
- Publication number
- FR1028592A FR1028592A FR1028592DA FR1028592A FR 1028592 A FR1028592 A FR 1028592A FR 1028592D A FR1028592D A FR 1028592DA FR 1028592 A FR1028592 A FR 1028592A
- Authority
- FR
- France
- Prior art keywords
- electric light
- light meter
- meter
- electric
- 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
- G03B7/12—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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE684201X | 1950-02-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1028592A true FR1028592A (fr) | 1953-05-26 |
Family
ID=6597551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1028592D Expired FR1028592A (fr) | 1950-02-13 | 1950-11-29 | Posemètre électrique |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2630049A (fr) |
| FR (1) | FR1028592A (fr) |
| GB (1) | GB684201A (fr) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2891457A (en) * | 1954-03-08 | 1959-06-23 | Zeiss Ikon Ag | Shutters for photographic cameras |
| US2849936A (en) * | 1955-04-07 | 1958-09-02 | Hans Deckel | Photographic camera with exposure meter |
| US3023682A (en) * | 1957-06-10 | 1962-03-06 | Sylvania Electric Products Com | Exposure meter and camera attachment |
| US3102460A (en) * | 1957-08-28 | 1963-09-03 | Agfa Ag | Cameras with coupled light meters |
| US2975686A (en) * | 1957-11-08 | 1961-03-21 | Compur Werk Friedrich Deckel | Photographic camera |
| US2973699A (en) * | 1958-07-02 | 1961-03-07 | Eastman Kodak Co | Apparatus for compensating battery decay |
| US3063353A (en) * | 1960-04-22 | 1962-11-13 | Arel Inc | Means for coupling light meters to cameras |
| US3026782A (en) * | 1960-06-01 | 1962-03-27 | U S Photo Supply Co Inc | Light meter mounting |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2222292A (en) * | 1937-12-16 | 1940-11-19 | Zeiss Ikon Ag | Photoelectric exposure meter |
| US2241020A (en) * | 1939-11-15 | 1941-05-06 | Zeiss Ikon Ag | Photographic camera |
| DE727130C (de) * | 1940-06-08 | 1942-10-26 | Leitz Ernst Gmbh | Photographische Kamera mit ansetzbarem elektrischen Belichtungsmesser |
| US2343206A (en) * | 1942-06-10 | 1944-02-29 | Rath Karl | Camera with automatic exposure control |
-
1950
- 1950-11-29 FR FR1028592D patent/FR1028592A/fr not_active Expired
- 1950-12-01 GB GB29434/50A patent/GB684201A/en not_active Expired
-
1951
- 1951-01-17 US US206340A patent/US2630049A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2630049A (en) | 1953-03-03 |
| GB684201A (en) | 1952-12-10 |
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