JPS57179823A - Integrating circuit for electronic shutter - Google Patents
Integrating circuit for electronic shutterInfo
- Publication number
- JPS57179823A JPS57179823A JP6631281A JP6631281A JPS57179823A JP S57179823 A JPS57179823 A JP S57179823A JP 6631281 A JP6631281 A JP 6631281A JP 6631281 A JP6631281 A JP 6631281A JP S57179823 A JPS57179823 A JP S57179823A
- Authority
- JP
- Japan
- Prior art keywords
- condenser
- adjusting
- ratio
- becomes
- integrating circuit
- 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.)
- Granted
Links
- 230000010354 integration Effects 0.000 abstract 1
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 |
|---|---|---|---|
| JP6631281A JPS57179823A (en) | 1981-04-28 | 1981-04-28 | Integrating circuit for electronic shutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6631281A JPS57179823A (en) | 1981-04-28 | 1981-04-28 | Integrating circuit for electronic shutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57179823A true JPS57179823A (en) | 1982-11-05 |
| JPH0120726B2 JPH0120726B2 (enExample) | 1989-04-18 |
Family
ID=13312175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6631281A Granted JPS57179823A (en) | 1981-04-28 | 1981-04-28 | Integrating circuit for electronic shutter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57179823A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS634225A (ja) * | 1986-06-24 | 1988-01-09 | Asahi Optical Co Ltd | 電子シャッターカメラの測光アンプ |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5320939U (enExample) * | 1976-07-30 | 1978-02-22 | ||
| JPS5333442U (enExample) * | 1976-08-30 | 1978-03-23 |
-
1981
- 1981-04-28 JP JP6631281A patent/JPS57179823A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5320939U (enExample) * | 1976-07-30 | 1978-02-22 | ||
| JPS5333442U (enExample) * | 1976-08-30 | 1978-03-23 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS634225A (ja) * | 1986-06-24 | 1988-01-09 | Asahi Optical Co Ltd | 電子シャッターカメラの測光アンプ |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0120726B2 (enExample) | 1989-04-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4156564A (en) | Photometric device | |
| GB1339622A (en) | Electric shutter control circuit for a single-lens reflex camera | |
| JPS57179824A (en) | Integration circuit for electronic shutter | |
| JPS57179823A (en) | Integrating circuit for electronic shutter | |
| US4160160A (en) | Circuit for integrating a quantity of light in an automatic control type flash unit | |
| JPS5662231A (en) | Control device for diaphragm of camera | |
| JPS56159621A (en) | Photometric circuit | |
| JPS622294B2 (enExample) | ||
| US4444481A (en) | Exposure control circuit for a camera | |
| US4037237A (en) | Exposure control apparatus | |
| US3533705A (en) | Correct exposure indicating apparatus for cameras | |
| GB1286303A (en) | Electrical storage circuit for a camera shutter mechanism | |
| JPS5499517A (en) | Automatic switch circuit of lens iris | |
| JPS56151919A (en) | Series control type automatic dimming flash device | |
| JPS57179825A (en) | Integration circuit of electronic shutter for camera | |
| JPS6111698Y2 (enExample) | ||
| JPS57204647A (en) | Light receiving circuit | |
| JPS57202120A (en) | Chopper type mos comparator | |
| JPS56101130A (en) | Photographic information leading-in circuit | |
| JPS56159632A (en) | Data back of camera | |
| JPS5753735A (ja) | Kameranomoodokirikaesochi | |
| JPS6239886B2 (enExample) | ||
| GB2016686A (en) | Photocurrent Amplifier | |
| JPS57104120A (en) | Automatic exposure control device for focal plane shutter | |
| JPS56140221A (en) | Photoelectric conversion circuit |