JPS5379533A - Exposure control device for camera - Google Patents
Exposure control device for cameraInfo
- Publication number
- JPS5379533A JPS5379533A JP15504576A JP15504576A JPS5379533A JP S5379533 A JPS5379533 A JP S5379533A JP 15504576 A JP15504576 A JP 15504576A JP 15504576 A JP15504576 A JP 15504576A JP S5379533 A JPS5379533 A JP S5379533A
- Authority
- JP
- Japan
- Prior art keywords
- camera
- control device
- exposure control
- exposure
- control
- 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.)
- 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
- G03B7/091—Digital circuits
- G03B7/095—Digital circuits for control of aperture
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15504576A JPS5379533A (en) | 1976-12-24 | 1976-12-24 | Exposure control device for camera |
DE19772757852 DE2757852A1 (en) | 1976-12-24 | 1977-12-23 | Camera exposure control circuitry - uses digital counting technique to control exposure value stored in ROM with actual shutter opening |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15504576A JPS5379533A (en) | 1976-12-24 | 1976-12-24 | Exposure control device for camera |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5379533A true JPS5379533A (en) | 1978-07-14 |
Family
ID=15597457
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15504576A Pending JPS5379533A (en) | 1976-12-24 | 1976-12-24 | Exposure control device for camera |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS5379533A (en) |
DE (1) | DE2757852A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5570778A (en) * | 1978-11-22 | 1980-05-28 | Ricoh Co Ltd | Camera taking picture of stop watch |
US4306785A (en) * | 1979-02-01 | 1981-12-22 | Asahi Kogaku Kogyo Kabushiki Kaisha | Camera exposure time control circuit |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4917726A (en) * | 1972-06-06 | 1974-02-16 | ||
JPS4935776A (en) * | 1972-07-25 | 1974-04-02 | ||
JPS4991220A (en) * | 1972-12-29 | 1974-08-31 |
-
1976
- 1976-12-24 JP JP15504576A patent/JPS5379533A/en active Pending
-
1977
- 1977-12-23 DE DE19772757852 patent/DE2757852A1/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4917726A (en) * | 1972-06-06 | 1974-02-16 | ||
JPS4935776A (en) * | 1972-07-25 | 1974-04-02 | ||
JPS4991220A (en) * | 1972-12-29 | 1974-08-31 |
Also Published As
Publication number | Publication date |
---|---|
DE2757852A1 (en) | 1978-07-06 |
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