DE2026676C1 - - Google Patents
Info
- Publication number
- DE2026676C1 DE2026676C1 DE2026676A DE2026676A DE2026676C1 DE 2026676 C1 DE2026676 C1 DE 2026676C1 DE 2026676 A DE2026676 A DE 2026676A DE 2026676 A DE2026676 A DE 2026676A DE 2026676 C1 DE2026676 C1 DE 2026676C1
- Authority
- DE
- Germany
- Prior art keywords
- output signal
- video
- circuit
- iris diaphragm
- control
- 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 - Lifetime
Links
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- 230000036961 partial effect Effects 0.000 description 2
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- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- YMHOBZXQZVXHBM-UHFFFAOYSA-N 2,5-dimethoxy-4-bromophenethylamine Chemical compound COC1=CC(CCN)=C(OC)C=C1Br YMHOBZXQZVXHBM-UHFFFAOYSA-N 0.000 description 1
- 241000545067 Venus Species 0.000 description 1
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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
- H04N23/72—Combination of two or more compensation controls
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US04/830,589 US4050085A (en) | 1969-06-04 | 1969-06-04 | Automatic light control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2026676C1 true DE2026676C1 (OSRAM) | 1992-09-24 |
Family
ID=25257263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2026676A Expired - Lifetime DE2026676C1 (OSRAM) | 1969-06-04 | 1970-06-01 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4050085A (OSRAM) |
| DE (1) | DE2026676C1 (OSRAM) |
| GB (1) | GB1460429A (OSRAM) |
| NL (1) | NL7008093A (OSRAM) |
Families Citing this family (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1551448A (en) * | 1976-08-19 | 1979-08-30 | Evershed Poweroptics Ltd | Television picture enhancement |
| US4141043A (en) * | 1977-04-18 | 1979-02-20 | General Electric Company | Picture signal generator with light level control |
| US4141040A (en) * | 1977-10-11 | 1979-02-20 | Rca Corporation | Video signal amplitude registration system |
| US4268866A (en) * | 1979-11-09 | 1981-05-19 | Rca Corporation | Peak-response controller for average-responding automatic iris |
| JPS56104579A (en) * | 1980-01-23 | 1981-08-20 | Nec Corp | Television camera device |
| US4300167A (en) * | 1980-02-07 | 1981-11-10 | Circon Corporation | Automatic iris control system |
| US4330870A (en) * | 1980-09-05 | 1982-05-18 | Datapoint Corporation | Optical data link |
| JPS5850867A (ja) * | 1981-09-22 | 1983-03-25 | Asahi Seimitsu Kk | Ｃｃｔｖカメラ用自動絞り制御装置 |
| JPS5850866A (ja) * | 1981-09-22 | 1983-03-25 | Asahi Seimitsu Kk | Ｃｃｔｖカメラ用自動絞り制御装置 |
| JPS58145278A (ja) * | 1982-02-22 | 1983-08-30 | Toshiba Corp | 撮像装置 |
| US4495520A (en) * | 1982-04-09 | 1985-01-22 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Television camera video level control system |
| CA1178376A (en) * | 1982-05-18 | 1984-11-20 | Willard A. Young | Radar signal processing system |
| JPS5981992A (ja) * | 1982-11-02 | 1984-05-11 | Canon Inc | カラ−撮像装置 |
| DE3342992A1 (de) * | 1982-11-29 | 1984-05-30 | Canon K.K., Tokio/Tokyo | Bildwandlereinrichtung |
| US4509077A (en) * | 1982-12-17 | 1985-04-02 | Ncr Canada Ltd-Ncr Canada Ltee | Automatic, self-diagnosing, electro-optical imaging system |
| US4833536A (en) * | 1984-07-24 | 1989-05-23 | Canon Kabushiki Kaisha | Image sensing apparatus with sensitivity and exposure control |
| FR2578129B1 (fr) * | 1985-02-22 | 1987-05-22 | Inspectronic | Camera video a attenuateur optique |
| US4688099A (en) * | 1985-06-07 | 1987-08-18 | Eastman Kodak Company | Illumination control circuitry for a film video player electronic strobe light |
| JPS6276857A (ja) * | 1985-09-30 | 1987-04-08 | Ricoh Co Ltd | カラ−原稿読取装置 |
| AU607033B2 (en) * | 1988-01-12 | 1991-02-21 | Sanyo Electric Co., Ltd. | Auto iris/gamma correction apparatus for making automatic exposure adjustment and/or automatic gamma correction in response to video signal and image sensing apparatus comprising such auto iris/gamma correction apparatus |
| KR910008286Y1 (ko) * | 1988-07-12 | 1991-10-15 | 삼성전자 주식회사 | 비디오 카메라의 자동 노출제어회로 |
| US5111301A (en) * | 1989-06-28 | 1992-05-05 | Sanyo Electric Co., Ltd. | Automatic exposure adjusting apparatus for automatically adjusting exposure by fuzzy inference |
| US5049984A (en) * | 1989-09-12 | 1991-09-17 | Eastman Kodak Company | Motion picture telecine balanced for negative scanning |
| US5453782A (en) * | 1994-02-17 | 1995-09-26 | Itt Corporation | Automatic exposure and gain control for low light level television camera |
| US5872595A (en) * | 1995-08-16 | 1999-02-16 | Monahan; John F. | Methods and apparatus for providing wide range exposure control for image intensifier cameras |
| US6411331B1 (en) | 1997-02-28 | 2002-06-25 | Hewlett-Packard Company | Automatic white balance detection and correction of an image captured in a digital camera |
| US6188433B1 (en) * | 1999-02-02 | 2001-02-13 | Ball Aerospace & Technologies Corp. | Method and apparatus for enhancing the dynamic range of a CCD sensor |
| US6687553B2 (en) * | 2000-06-29 | 2004-02-03 | Borgwarner Inc. | Dual gain variable control system |
| US6872013B2 (en) * | 2001-12-13 | 2005-03-29 | The Boeing Company | Iris with integrated drive motor |
| JP2006526300A (ja) * | 2003-05-22 | 2006-11-16 | フィコ ミロールス，エセ ア | 車両のリアビューミラーに適用可能な外部環境監視用カメラシステム |
| US20050212824A1 (en) * | 2004-03-25 | 2005-09-29 | Marcinkiewicz Walter M | Dynamic display control of a portable electronic device display |
| US8248605B2 (en) * | 2006-09-26 | 2012-08-21 | Hinds Instruments, Inc. | Detection system for birefringence measurement |
| US8008641B2 (en) * | 2007-08-27 | 2011-08-30 | Acushnet Company | Method and apparatus for inspecting objects using multiple images having varying optical properties |
| US9228936B2 (en) | 2013-12-03 | 2016-01-05 | Hinds Instruments, Inc. | Birefringence measurement of polycrystalline silicon samples or the like |
| CN111953864B (zh) * | 2020-08-24 | 2021-12-03 | 台州市余华纸箱有限公司 | 一种节目制作用布景台 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1064554B (de) * | 1957-01-04 | 1959-09-03 | Siemens Ag | Fernsehanordnung mit einer Bildfaengerroehre des Photoleitfaehigkeitstyps |
| DE1093407B (de) * | 1955-07-23 | 1960-11-24 | Grundig Max | Schaltungsanordnung mit einer Bildaufnahmeroehre vom Vidikontyp |
| FR1374375A (fr) * | 1962-06-20 | 1964-10-09 | Marconi Instruments Ltd | Perfectionnements apportés aux caméras de télévision et aux dispositifs analogues |
| DE1266792B (de) * | 1963-04-16 | 1968-04-25 | Philips Nv | Fernsehanordnung mit einer Aufnahmeroehre, vor der eine Blende mit veraenderlicher OEffnung angeordnet ist |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3086077A (en) * | 1955-07-23 | 1963-04-16 | Grundig Max | Television camera regulating system |
| US3182125A (en) * | 1960-09-20 | 1965-05-04 | Bendix Corp | Illumination control system for television pickup tubes and the like |
| US3389221A (en) * | 1964-04-29 | 1968-06-18 | Westinghouse Electric Corp | Television brightness compensation system |
| US3555181A (en) * | 1968-06-05 | 1971-01-12 | Bell Telephone Labor Inc | Automatic video level control employing iris and amplifier gain adjustments |
-
1969
- 1969-06-04 US US04/830,589 patent/US4050085A/en not_active Expired - Lifetime
-
1970
- 1970-05-14 GB GB2352770A patent/GB1460429A/en not_active Expired
- 1970-06-01 DE DE2026676A patent/DE2026676C1/de not_active Expired - Lifetime
- 1970-06-03 NL NL7008093A patent/NL7008093A/xx unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1093407B (de) * | 1955-07-23 | 1960-11-24 | Grundig Max | Schaltungsanordnung mit einer Bildaufnahmeroehre vom Vidikontyp |
| DE1064554B (de) * | 1957-01-04 | 1959-09-03 | Siemens Ag | Fernsehanordnung mit einer Bildfaengerroehre des Photoleitfaehigkeitstyps |
| FR1374375A (fr) * | 1962-06-20 | 1964-10-09 | Marconi Instruments Ltd | Perfectionnements apportés aux caméras de télévision et aux dispositifs analogues |
| DE1266792B (de) * | 1963-04-16 | 1968-04-25 | Philips Nv | Fernsehanordnung mit einer Aufnahmeroehre, vor der eine Blende mit veraenderlicher OEffnung angeordnet ist |
Non-Patent Citations (1)
| Title |
|---|
| DE-AS G 17 647 VIIIa/21a1 bekanntgemacht am 8.11.1956 * |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7008093A (nl) | 1976-11-30 |
| GB1460429A (en) | 1977-01-06 |
| US4050085A (en) | 1977-09-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8100 | Publication of patent without earlier publication of application | ||
| 8308 | Other granted patents |