JPS4954025A - - Google Patents
Info
- Publication number
- JPS4954025A JPS4954025A JP9647272A JP9647272A JPS4954025A JP S4954025 A JPS4954025 A JP S4954025A JP 9647272 A JP9647272 A JP 9647272A JP 9647272 A JP9647272 A JP 9647272A JP S4954025 A JPS4954025 A JP S4954025A
- 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.)
- Granted
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
- G03B7/083—Analogue circuits for control of exposure time
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
- Shutter-Related Mechanisms (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Amplifiers (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9647272A JPS5313125B2 (en) | 1972-09-26 | 1972-09-26 | |
| DE19732348250 DE2348250C3 (en) | 1972-09-26 | 1973-09-25 | Circuit arrangement for exposure control of a photographic camera |
| US551904A US3928860A (en) | 1972-09-26 | 1975-02-21 | Exposure control circuit for photographic camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9647272A JPS5313125B2 (en) | 1972-09-26 | 1972-09-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4954025A true JPS4954025A (en) | 1974-05-25 |
| JPS5313125B2 JPS5313125B2 (en) | 1978-05-08 |
Family
ID=14165968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9647272A Expired JPS5313125B2 (en) | 1972-09-26 | 1972-09-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5313125B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5540420A (en) * | 1978-09-14 | 1980-03-21 | Nippon Kogaku Kk <Nikon> | Power supply control circuit of camera |
-
1972
- 1972-09-26 JP JP9647272A patent/JPS5313125B2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5540420A (en) * | 1978-09-14 | 1980-03-21 | Nippon Kogaku Kk <Nikon> | Power supply control circuit of camera |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2348250B2 (en) | 1976-01-02 |
| JPS5313125B2 (en) | 1978-05-08 |
| DE2348250A1 (en) | 1974-04-18 |