JPH0120726B2 - - Google Patents
Info
- Publication number
- JPH0120726B2 JPH0120726B2 JP56066312A JP6631281A JPH0120726B2 JP H0120726 B2 JPH0120726 B2 JP H0120726B2 JP 56066312 A JP56066312 A JP 56066312A JP 6631281 A JP6631281 A JP 6631281A JP H0120726 B2 JPH0120726 B2 JP H0120726B2
- Authority
- JP
- Japan
- Prior art keywords
- integrating
- circuit
- resistor
- capacitor
- operational amplifier
- 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 |
---|---|---|---|
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 JPS57179823A (en) | 1982-11-05 |
JPH0120726B2 true JPH0120726B2 (enrdf_load_html_response) | 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 (enrdf_load_html_response) |
Families Citing this family (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 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6230013Y2 (enrdf_load_html_response) * | 1976-07-30 | 1987-08-01 | ||
JPS5333442U (enrdf_load_html_response) * | 1976-08-30 | 1978-03-23 |
-
1981
- 1981-04-28 JP JP6631281A patent/JPS57179823A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS57179823A (en) | 1982-11-05 |