GB853300A - An automatic exposure control for photographic cameras - Google Patents
An automatic exposure control for photographic camerasInfo
- Publication number
- GB853300A GB853300A GB12864/58A GB1286458A GB853300A GB 853300 A GB853300 A GB 853300A GB 12864/58 A GB12864/58 A GB 12864/58A GB 1286458 A GB1286458 A GB 1286458A GB 853300 A GB853300 A GB 853300A
- Authority
- GB
- United Kingdom
- Prior art keywords
- exposure control
- automatic exposure
- photographic cameras
- photo
- photographic
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Exposure Control For Cameras (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US853300XA | 1958-02-21 | 1958-02-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB853300A true GB853300A (en) | 1960-11-02 |
Family
ID=22190873
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB12864/58A Expired GB853300A (en) | 1958-02-21 | 1958-04-23 | An automatic exposure control for photographic cameras |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR1195959A (fr) |
GB (1) | GB853300A (fr) |
-
1958
- 1958-04-23 GB GB12864/58A patent/GB853300A/en not_active Expired
- 1958-05-16 FR FR1195959D patent/FR1195959A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR1195959A (fr) | 1959-11-20 |
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