JPS6346402B2 - - Google Patents
Info
- Publication number
- JPS6346402B2 JPS6346402B2 JP55049028A JP4902880A JPS6346402B2 JP S6346402 B2 JPS6346402 B2 JP S6346402B2 JP 55049028 A JP55049028 A JP 55049028A JP 4902880 A JP4902880 A JP 4902880A JP S6346402 B2 JPS6346402 B2 JP S6346402B2
- Authority
- JP
- Japan
- Prior art keywords
- sample
- hold
- output
- shutter
- light receiving
- 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
- G03B7/081—Analogue circuits
- G03B7/083—Analogue circuits for control of exposure time
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4902880A JPS56144421A (en) | 1980-04-14 | 1980-04-14 | Photometer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4902880A JPS56144421A (en) | 1980-04-14 | 1980-04-14 | Photometer |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56144421A JPS56144421A (en) | 1981-11-10 |
JPS6346402B2 true JPS6346402B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-09-14 |
Family
ID=12819637
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4902880A Granted JPS56144421A (en) | 1980-04-14 | 1980-04-14 | Photometer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56144421A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5525024A (en) * | 1978-08-09 | 1980-02-22 | Minolta Camera Co Ltd | Exposure control unit of single-lens reflex camera |
-
1980
- 1980-04-14 JP JP4902880A patent/JPS56144421A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS56144421A (en) | 1981-11-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3868701A (en) | Automatic flash control system for cameras | |
US4494850A (en) | Flash photographing system | |
US3678826A (en) | System for controlling a camera shutter | |
JPH0435869Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
US4015149A (en) | Temperature compensating device for devices having semiconductors | |
US4291223A (en) | Distance detecting device | |
US3781119A (en) | Dual light-measurement and compensation circuitry for cameras | |
US4390258A (en) | Photomeric circuit for camera | |
JPH0226207B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
JPS6346402B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
US4685786A (en) | Exposure control device for camera | |
US4070682A (en) | Exposure time control circuit | |
JPH0136089B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
US3961341A (en) | Automatic shutter speed control means for a camera | |
US4444481A (en) | Exposure control circuit for a camera | |
JPH0228502Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
JPH045971B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
US3827066A (en) | Memory type exposure control system | |
US3975746A (en) | Automatic exposure control circuit for a single lens reflex camera of TTL light measuring type | |
US4331401A (en) | Exposure control system for a photographic camera | |
US3928860A (en) | Exposure control circuit for photographic camera | |
JP3140491B2 (ja) | 自動合焦装置 | |
JP2802785B2 (ja) | カメラの露出制御方法 | |
US4040068A (en) | Exposure time control device for an electric shutter in a single reflex camera with through the lens measuring system | |
JPH0461337B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |