JPS5796422U - - Google Patents
Info
- Publication number
- JPS5796422U JPS5796422U JP1980172380U JP17238080U JPS5796422U JP S5796422 U JPS5796422 U JP S5796422U JP 1980172380 U JP1980172380 U JP 1980172380U JP 17238080 U JP17238080 U JP 17238080U JP S5796422 U JPS5796422 U JP S5796422U
- 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.)
- 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
- G03B7/081—Analogue circuits
- G03B7/085—Analogue circuits for control of aperture
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/749—Circuitry for compensating brightness variation in the scene by influencing the pick-up tube voltages
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/75—Circuitry for compensating brightness variation in the scene by influencing optical camera components
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
- Diaphragms For Cameras (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980172380U JPS5796422U (en) | 1980-12-01 | 1980-12-01 | |
| GB8136221A GB2091431B (en) | 1980-12-01 | 1981-12-01 | Exposure control system for a photographic or television camera |
| FR8122505A FR2495419B1 (en) | 1980-12-01 | 1981-12-01 | EXPOSURE LOCKING DEVICE FOR CAMERA |
| DE3147567A DE3147567C2 (en) | 1980-12-01 | 1981-12-01 | Exposure control for a camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980172380U JPS5796422U (en) | 1980-12-01 | 1980-12-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5796422U true JPS5796422U (en) | 1982-06-14 |
Family
ID=15940831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1980172380U Pending JPS5796422U (en) | 1980-12-01 | 1980-12-01 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5796422U (en) |
| DE (1) | DE3147567C2 (en) |
| FR (1) | FR2495419B1 (en) |
| GB (1) | GB2091431B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5999880A (en) * | 1982-11-29 | 1984-06-08 | Canon Inc | Image pickup device |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57200017A (en) * | 1981-06-03 | 1982-12-08 | Sony Corp | Aperture locking device |
| DE3342992A1 (en) * | 1982-11-29 | 1984-05-30 | Canon K.K., Tokio/Tokyo | Image converter device |
| JP2501782B2 (en) * | 1983-09-16 | 1996-05-29 | 株式会社ニコン | Image scanning device |
| KR910008286Y1 (en) * | 1988-07-12 | 1991-10-15 | 삼성전자 주식회사 | Auto-exposure control circuit of video camera |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3324779A (en) * | 1964-05-26 | 1967-06-13 | Asahi Optical Co Ltd | Photoelectric time control shutter circuit for photographic camera |
| DE1230845C2 (en) * | 1964-11-20 | 1973-07-12 | Fernseh Gmbh | Circuit arrangement for regulating the level of a video signal |
| US3555181A (en) * | 1968-06-05 | 1971-01-12 | Bell Telephone Labor Inc | Automatic video level control employing iris and amplifier gain adjustments |
| US3651255A (en) * | 1969-02-22 | 1972-03-21 | Sony Corp | Automatic gain control system for television cameras |
| NL7701811A (en) * | 1977-02-21 | 1978-08-23 | Philips Nv | TELEVISION CAMERA EQUIPPED WITH AN APERTURE CONTROL AND AN ADJUSTABLE IMAGE SIGNAL GAIN CIRCUIT. |
| JPS56104579A (en) * | 1980-01-23 | 1981-08-20 | Nec Corp | Television camera device |
-
1980
- 1980-12-01 JP JP1980172380U patent/JPS5796422U/ja active Pending
-
1981
- 1981-12-01 FR FR8122505A patent/FR2495419B1/en not_active Expired
- 1981-12-01 DE DE3147567A patent/DE3147567C2/en not_active Expired
- 1981-12-01 GB GB8136221A patent/GB2091431B/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5999880A (en) * | 1982-11-29 | 1984-06-08 | Canon Inc | Image pickup device |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2495419B1 (en) | 1986-06-13 |
| GB2091431A (en) | 1982-07-28 |
| GB2091431B (en) | 1984-06-20 |
| DE3147567C2 (en) | 1985-01-10 |
| FR2495419A1 (en) | 1982-06-04 |
| DE3147567A1 (en) | 1982-06-03 |