DE3784635D1 - Lichtsignalkontrollschaltung fuer bildaufnahmegeraet. - Google Patents

Lichtsignalkontrollschaltung fuer bildaufnahmegeraet.

Info

Publication number
DE3784635D1
DE3784635D1 DE8787117248T DE3784635T DE3784635D1 DE 3784635 D1 DE3784635 D1 DE 3784635D1 DE 8787117248 T DE8787117248 T DE 8787117248T DE 3784635 T DE3784635 T DE 3784635T DE 3784635 D1 DE3784635 D1 DE 3784635D1
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
Application number
DE8787117248T
Other languages
English (en)
Other versions
DE3784635T2 (de
Inventor
Atsushi Fujioka
Atsushi Morimura
Yoshinori Kitamura
Hiroki Matsuoka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP61280171A external-priority patent/JPS63132225A/ja
Priority claimed from JP62089438A external-priority patent/JPS63254871A/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE3784635D1 publication Critical patent/DE3784635D1/de
Application granted granted Critical
Publication of DE3784635T2 publication Critical patent/DE3784635T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Exposure Control For Cameras (AREA)
  • Studio Devices (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
DE87117248T 1986-11-25 1987-11-23 Lichtsignalkontrollschaltung für Bildaufnahmegerät. Expired - Fee Related DE3784635T2 (de)

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 true DE3784635D1 (de) 1993-04-15
DE3784635T2 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)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
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
KR970003032B1 (ko) * 1989-10-17 1997-03-13 상요 덴기 가부시끼가이샤 고체 촬상 장치
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
EP0444600B1 (de) * 1990-02-28 1997-08-06 Sanyo Electric Co., Ltd. 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
EP0788634B1 (de) * 1994-10-25 2000-03-08 United Parcel Service Of America, Inc. Automatische elektrische kamera für etikettenbildaufnahme
US6080104A (en) * 1995-05-16 2000-06-27 Asahi Kogaku Kogyo Kabushiki Kaisha Electronic endoscope system
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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Also Published As

Publication number Publication date
EP0269053A3 (en) 1989-09-27
EP0269053A2 (de) 1988-06-01
KR880006915A (ko) 1988-07-25
KR920000294B1 (ko) 1992-01-11
EP0269053B1 (de) 1993-03-10
US4843476A (en) 1989-06-27
DE3784635T2 (de) 1993-10-07

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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