DE3784635T2 - Lichtsignalkontrollschaltung für Bildaufnahmegerät. - Google Patents
Lichtsignalkontrollschaltung für Bildaufnahmegerät.Info
- Publication number
- DE3784635T2 DE3784635T2 DE87117248T DE3784635T DE3784635T2 DE 3784635 T2 DE3784635 T2 DE 3784635T2 DE 87117248 T DE87117248 T DE 87117248T DE 3784635 T DE3784635 T DE 3784635T DE 3784635 T2 DE3784635 T2 DE 3784635T2
- Authority
- DE
- Germany
- Prior art keywords
- control circuit
- recording device
- image recording
- light signal
- signal 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 - Fee Related
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
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/71—Circuitry for evaluating the brightness variation
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61280171A JPS63132225A (ja) | 1986-11-25 | 1986-11-25 | 撮像装置 |
JP62089438A JPS63254871A (ja) | 1987-04-10 | 1987-04-10 | 撮像装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3784635D1 DE3784635D1 (de) | 1993-04-15 |
DE3784635T2 true DE3784635T2 (de) | 1993-10-07 |
Family
ID=26430859
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE87117248T Expired - Fee Related DE3784635T2 (de) | 1986-11-25 | 1987-11-23 | Lichtsignalkontrollschaltung für Bildaufnahmegerät. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4843476A (de) |
EP (1) | EP0269053B1 (de) |
KR (1) | KR920000294B1 (de) |
DE (1) | DE3784635T2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19619734C2 (de) * | 1995-05-16 | 2001-02-01 | Asahi Optical Co Ltd | Elektronisches Endoskopsystem |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US4912558A (en) * | 1988-12-27 | 1990-03-27 | Eastman Kodak Company | Optical image to video transfer system having enhanced resolution and contrast for dark areas of the image |
US5038216A (en) * | 1989-04-20 | 1991-08-06 | Eastman Kodak Company | Automatic brightness algorithm in a slide to video transfer unit |
JPH031772A (ja) * | 1989-05-30 | 1991-01-08 | Sony Corp | 撮像装置 |
US5111301A (en) * | 1989-06-28 | 1992-05-05 | Sanyo Electric Co., Ltd. | Automatic exposure adjusting apparatus for automatically adjusting exposure by fuzzy inference |
EP0409161B1 (de) * | 1989-07-18 | 2000-10-11 | Fuji Photo Film Co., Ltd. | Verfahren und Einrichtung zur Steuerung der Belichtungsänderungen einer Videokamera |
US5040070A (en) * | 1989-10-17 | 1991-08-13 | Sanyo Electric Co., Ltd. | Solid-state image sensing apparatus for electronically controlling exposure by employing CCD as solid-state image sensing device and method of driving such CCD |
JP2822256B2 (ja) * | 1990-02-15 | 1998-11-11 | ソニー株式会社 | ビデオカメラの露光補正装置 |
DE69127112T2 (de) * | 1990-02-28 | 1998-03-05 | Sanyo Electric Co | Automatisches Fokussierungsgerät zur automatischen Fokusanpassung in Abhängigkeit von Videosignalen |
US5194960A (en) * | 1990-03-05 | 1993-03-16 | Konica Corporation | Optical image signal control device |
JP3004382B2 (ja) * | 1991-04-24 | 2000-01-31 | 松下電器産業株式会社 | 可変シャッタ付テレビカメラ装置 |
US5831676A (en) * | 1992-08-19 | 1998-11-03 | Canon Kabushiki Kaisha | Image pickup device using plural control parameters for exposure control |
JP3412174B2 (ja) * | 1992-05-21 | 2003-06-03 | 松下電器産業株式会社 | 自動露光制御装置 |
US5654533A (en) * | 1992-10-26 | 1997-08-05 | Kabushiki Kaisha Tec | Apparatus and method for reading two-dimensional symbols |
JP3207313B2 (ja) * | 1992-12-22 | 2001-09-10 | 富士写真フイルム株式会社 | 撮像装置およびその制御方法 |
JP3495410B2 (ja) * | 1994-03-16 | 2004-02-09 | ペンタックス株式会社 | データシンボル読み取り装置 |
JPH0823473A (ja) * | 1994-07-05 | 1996-01-23 | Canon Inc | 撮像装置 |
EP1489550B1 (de) * | 1994-10-25 | 2011-07-20 | United Parcel Service Of America, Inc. | Automatische elektrische Kamera für Etikettenbildaufnahme |
US6195127B1 (en) * | 1996-07-18 | 2001-02-27 | Sanyo Electric Co., Ltd. | Digital camera, having a flash unit, which determines proper flash duration through an assessment of image luminance and, where needed, a preliminary flash emission |
US6674475B1 (en) * | 1999-08-09 | 2004-01-06 | Agilent Technologies, Inc. | Method and circuit for electronic shutter control |
US6239554B1 (en) | 1999-12-30 | 2001-05-29 | Mitutoyo Corporation | Open-loop light intensity calibration systems and methods |
US6542180B1 (en) * | 2000-01-07 | 2003-04-01 | Mitutoyo Corporation | Systems and methods for adjusting lighting of a part based on a plurality of selected regions of an image of the part |
FI116246B (fi) * | 2003-06-30 | 2005-10-14 | Nokia Corp | Menetelmä ja järjestelmä digitaalisessa kuvannuksessa valotuksen säätämiseksi ja vastaava laite |
US8446480B2 (en) * | 2006-12-20 | 2013-05-21 | Nokia Corporation | Exposure control based on image sensor cost function |
JP2013068981A (ja) * | 2011-09-20 | 2013-04-18 | Fujitsu Ltd | 電子計算機及び画像検索方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5651728A (en) * | 1979-10-03 | 1981-05-09 | Fuji Photo Film Co Ltd | Exposure control method |
JPS574667A (en) * | 1980-06-11 | 1982-01-11 | Sony Corp | Pickup device |
JPS57115083A (en) * | 1981-01-08 | 1982-07-17 | Sony Corp | Video level detecting circuit |
JPS5827472A (ja) * | 1981-08-10 | 1983-02-18 | Sony Corp | 固体撮像装置の制御装置 |
JPS5838075A (ja) * | 1981-08-28 | 1983-03-05 | Sony Corp | 撮像装置 |
JPS58143672A (ja) * | 1982-02-19 | 1983-08-26 | Mamiya Koki Kk | ビデオカメラ用レンズの自動絞り装置 |
JPS5981992A (ja) * | 1982-11-02 | 1984-05-11 | Canon Inc | カラ−撮像装置 |
JPH0771217B2 (ja) * | 1985-09-12 | 1995-07-31 | 旭精密株式会社 | テレビカメラ用レンズの可変測光型自動絞り制御装置 |
JPS62147872A (ja) * | 1985-12-23 | 1987-07-01 | Matsushita Electric Ind Co Ltd | 撮像装置 |
JPH0779439B2 (ja) * | 1986-07-03 | 1995-08-23 | 松下電器産業株式会社 | 撮像装置 |
-
1987
- 1987-11-20 US US07/123,539 patent/US4843476A/en not_active Expired - Lifetime
- 1987-11-23 EP EP87117248A patent/EP0269053B1/de not_active Expired - Lifetime
- 1987-11-23 DE DE87117248T patent/DE3784635T2/de not_active Expired - Fee Related
- 1987-11-25 KR KR1019870013313A patent/KR920000294B1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19619734C2 (de) * | 1995-05-16 | 2001-02-01 | Asahi Optical Co Ltd | Elektronisches Endoskopsystem |
Also Published As
Publication number | Publication date |
---|---|
EP0269053B1 (de) | 1993-03-10 |
DE3784635D1 (de) | 1993-04-15 |
US4843476A (en) | 1989-06-27 |
KR880006915A (ko) | 1988-07-25 |
EP0269053A2 (de) | 1988-06-01 |
EP0269053A3 (en) | 1989-09-27 |
KR920000294B1 (ko) | 1992-01-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8339 | Ceased/non-payment of the annual fee |