JPS49102335A - - Google Patents
Info
- Publication number
- JPS49102335A JPS49102335A JP12156273A JP12156273A JPS49102335A JP S49102335 A JPS49102335 A JP S49102335A JP 12156273 A JP12156273 A JP 12156273A JP 12156273 A JP12156273 A JP 12156273A JP S49102335 A JPS49102335 A JP S49102335A
- Authority
- JP
- Japan
- 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.)
- Pending
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)
- Exposure Control For Cameras (AREA)
- Diaphragms For Cameras (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722253000 DE2253000A1 (de) | 1972-10-28 | 1972-10-28 | Spiegelreflexkamera |
| DE2257608A DE2257608A1 (de) | 1972-11-24 | 1972-11-24 | Spiegelreflexkamera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS49102335A true JPS49102335A (forum.php) | 1974-09-27 |
Family
ID=25764018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12156273A Pending JPS49102335A (forum.php) | 1972-10-28 | 1973-10-29 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS49102335A (forum.php) |
| DD (1) | DD109090A5 (forum.php) |
| GB (1) | GB1446457A (forum.php) |
-
1973
- 1973-10-15 DD DD17405373A patent/DD109090A5/xx unknown
- 1973-10-25 GB GB4985173A patent/GB1446457A/en not_active Expired
- 1973-10-29 JP JP12156273A patent/JPS49102335A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1446457A (en) | 1976-08-18 |
| DD109090A5 (forum.php) | 1974-10-12 |