JPS4971821A - - Google Patents
Info
- Publication number
- JPS4971821A JPS4971821A JP48106487A JP10648773A JPS4971821A JP S4971821 A JPS4971821 A JP S4971821A JP 48106487 A JP48106487 A JP 48106487A JP 10648773 A JP10648773 A JP 10648773A JP S4971821 A JPS4971821 A JP S4971821A
- 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.)
- Granted
Links
Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
-
- 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
- H04N23/71—Circuitry for evaluating the brightness variation
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Exposure Control For Cameras (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US29080272A | 1972-09-21 | 1972-09-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4971821A true JPS4971821A (US20070167544A1-20070719-C00007.png) | 1974-07-11 |
| JPS5137490B2 JPS5137490B2 (US20070167544A1-20070719-C00007.png) | 1976-10-15 |
Family
ID=23117631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48106487A Expired JPS5137490B2 (US20070167544A1-20070719-C00007.png) | 1972-09-21 | 1973-09-20 |
Country Status (7)
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4037254A (en) * | 1975-12-10 | 1977-07-19 | Harris Corporation | Automatic digital iris correction |
| US4158859A (en) * | 1977-07-25 | 1979-06-19 | Hazeltine Corporation | Automatic control of iris and clamping voltage in video signal generator |
| JPS55139866U (US20070167544A1-20070719-C00007.png) * | 1979-03-26 | 1980-10-06 | ||
| US4268866A (en) * | 1979-11-09 | 1981-05-19 | Rca Corporation | Peak-response controller for average-responding automatic iris |
| JPS623958Y2 (US20070167544A1-20070719-C00007.png) * | 1980-04-14 | 1987-01-29 | ||
| US4330870A (en) * | 1980-09-05 | 1982-05-18 | Datapoint Corporation | Optical data link |
| JPS5827472A (ja) * | 1981-08-10 | 1983-02-18 | Sony Corp | 固体撮像装置の制御装置 |
| US4622596A (en) * | 1983-02-21 | 1986-11-11 | Canon Kabushiki Kaisha | Image pickup apparatus |
| US4468700A (en) * | 1983-03-15 | 1984-08-28 | Lectrolarm Custom Systems, Inc. | Automatic iris control lens system |
| US4584610A (en) * | 1984-02-16 | 1986-04-22 | Olympus Optical Co., Ltd. | Electronic photographing apparatus |
| US4746988A (en) * | 1986-06-30 | 1988-05-24 | Eastman Kodak Company | Exposure control apparatus for a still video camera having an electronic viewfinder |
| JPH03274870A (ja) * | 1990-03-24 | 1991-12-05 | Sony Corp | ビデオカメラのアイリス制御装置 |
| US5349382A (en) * | 1991-01-25 | 1994-09-20 | Canon Kabushiki Kaisha | Image pickup apparatus with image light focus prevention |
| GB9416406D0 (en) * | 1994-08-13 | 1994-10-05 | Univ Of Huddersfield | Colour inspection system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1727887U (de) * | 1955-06-30 | 1956-08-09 | Fernseh Gmbh | Vorrichtung zum schutz von fersehkameraobjektiven bzw. bildaufnahmeroehren. |
| US3377427A (en) * | 1965-07-29 | 1968-04-09 | George J. Fischer | Light-sensitive optical control system for a television camera |
| US3652154A (en) * | 1970-08-07 | 1972-03-28 | Us Air Force | Light control system for use in very low light intensities |
| US3711644A (en) * | 1970-09-18 | 1973-01-16 | Copal Co Ltd | Automatic diaphragm control apparatus for image tube |
| US3691302A (en) * | 1971-02-25 | 1972-09-12 | Gte Sylvania Inc | Automatic light control for low light level television camera |
| US3961302A (en) * | 1974-11-15 | 1976-06-01 | Cts Corporation | Variable resistance control |
-
1972
- 1972-09-21 US US00290802A patent/US3767853A/en not_active Expired - Lifetime
-
1973
- 1973-09-11 CA CA180,816A patent/CA985777A/en not_active Expired
- 1973-09-14 NL NL7312668A patent/NL7312668A/xx not_active Application Discontinuation
- 1973-09-18 GB GB4375273A patent/GB1443794A/en not_active Expired
- 1973-09-20 FR FR7333765A patent/FR2200970A5/fr not_active Expired
- 1973-09-20 DE DE2347397A patent/DE2347397C3/de not_active Expired
- 1973-09-20 JP JP48106487A patent/JPS5137490B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5137490B2 (US20070167544A1-20070719-C00007.png) | 1976-10-15 |
| DE2347397B2 (de) | 1976-03-25 |
| DE2347397A1 (de) | 1974-03-28 |
| DE2347397C3 (de) | 1985-08-01 |
| US3767853A (en) | 1973-10-23 |
| FR2200970A5 (US20070167544A1-20070719-C00007.png) | 1974-04-19 |
| NL7312668A (US20070167544A1-20070719-C00007.png) | 1974-03-25 |
| GB1443794A (en) | 1976-07-28 |
| AU6035773A (en) | 1975-03-20 |
| CA985777A (en) | 1976-03-16 |
