FR1073586A - Perfectionnements aux appareils photographiques - Google Patents
Perfectionnements aux appareils photographiquesInfo
- Publication number
- FR1073586A FR1073586A FR1073586DA FR1073586A FR 1073586 A FR1073586 A FR 1073586A FR 1073586D A FR1073586D A FR 1073586DA FR 1073586 A FR1073586 A FR 1073586A
- Authority
- FR
- France
- Prior art keywords
- 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
- G03B7/099—Arrangement of photoelectric elements in or on the camera
- G03B7/0993—Arrangement of photoelectric elements in or on the camera in the camera
- G03B7/0997—Through the lens [TTL] measuring
- G03B7/09971—Through the lens [TTL] measuring in mirror-reflex cameras
- G03B7/09972—Through the lens [TTL] measuring in mirror-reflex cameras using the mirror as sensor light reflecting or transmitting member
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1073586T | 1953-01-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1073586A true FR1073586A (fr) | 1954-09-27 |
Family
ID=9606200
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1073586D Expired FR1073586A (fr) | 1953-01-28 | 1953-01-28 | Perfectionnements aux appareils photographiques |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1073586A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2913968A (en) * | 1954-11-30 | 1959-11-24 | Zeiss Ikon A G Stuttgart | Mirror reflex camera with built-in electric exposure meter |
-
1953
- 1953-01-28 FR FR1073586D patent/FR1073586A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2913968A (en) * | 1954-11-30 | 1959-11-24 | Zeiss Ikon A G Stuttgart | Mirror reflex camera with built-in electric exposure meter |
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