DE3870473D1 - Automatische fokussierungsschaltung fuer automatische fokusanpassung in abhaengigkeit von videosignalen. - Google Patents

Automatische fokussierungsschaltung fuer automatische fokusanpassung in abhaengigkeit von videosignalen.

Info

Publication number
DE3870473D1
DE3870473D1 DE8888102292T DE3870473T DE3870473D1 DE 3870473 D1 DE3870473 D1 DE 3870473D1 DE 8888102292 T DE8888102292 T DE 8888102292T DE 3870473 T DE3870473 T DE 3870473T DE 3870473 D1 DE3870473 D1 DE 3870473D1
Authority
DE
Germany
Prior art keywords
automatic
video signals
focus adjustment
focusing circuit
adjustment depending
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
DE8888102292T
Other languages
English (en)
Inventor
Hirotsugu Murashima
Satoru Maeda
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric 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
Application filed by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Application granted granted Critical
Publication of DE3870473D1 publication Critical patent/DE3870473D1/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
    • H04N23/60—Control of cameras or camera modules
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/67—Focus control based on electronic image sensor signals
    • H04N23/673—Focus control based on electronic image sensor signals based on contrast or high frequency components of image signals, e.g. hill climbing method

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Automatic Focus Adjustment (AREA)
DE8888102292T 1987-02-18 1988-02-17 Automatische fokussierungsschaltung fuer automatische fokusanpassung in abhaengigkeit von videosignalen. Expired - Fee Related DE3870473D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62034767A JPH0644806B2 (ja) 1987-02-18 1987-02-18 オ−トフオ−カス回路

Publications (1)

Publication Number Publication Date
DE3870473D1 true DE3870473D1 (de) 1992-06-04

Family

ID=12423455

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888102292T Expired - Fee Related DE3870473D1 (de) 1987-02-18 1988-02-17 Automatische fokussierungsschaltung fuer automatische fokusanpassung in abhaengigkeit von videosignalen.

Country Status (7)

Country Link
US (1) US4853789A (de)
EP (1) EP0279424B1 (de)
JP (1) JPH0644806B2 (de)
KR (1) KR950006044B1 (de)
AU (1) AU600553B2 (de)
CA (1) CA1301500C (de)
DE (1) DE3870473D1 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2209446B (en) * 1987-09-02 1992-09-30 Canon Kk Automatic focusing device
CA1313466C (en) * 1988-05-11 1993-02-09 Kenichi Kikuchi Image sensing apparatus having automatic focusing function of automatically matching focus in response to video signal
CA1317493C (en) * 1988-05-11 1993-05-11 Kenichi Kikuchi Image sensing apparatus having automatic focusing function for automatically matching focus in response to video signal
EP0366136B1 (de) * 1988-10-27 1995-03-22 Canon Kabushiki Kaisha Bildaufnahme- und Verarbeitungseinrichtung
US5249058A (en) * 1989-08-08 1993-09-28 Sanyo Electric Co., Ltd. Apparatus for automatically focusing a camera lens
US5187585A (en) * 1989-08-19 1993-02-16 Canon Kabushiki Kaisha Image sensing apparatus with settable focus detection area
US5629735A (en) * 1989-08-20 1997-05-13 Canon Kabushiki Kaisha Image sensing device having a selectable detecting area
JP2974337B2 (ja) * 1989-09-10 1999-11-10 キヤノン株式会社 自動焦点調節装置
EP0417975B1 (de) * 1989-09-10 1997-04-02 Canon Kabushiki Kaisha Automatisches Fokussierungsverfahren
JPH03117275A (ja) * 1989-09-29 1991-05-20 Sanyo Electric Co Ltd オートフォーカスカメラ
DE69127112T2 (de) * 1990-02-28 1998-03-05 Sanyo Electric Co Automatisches Fokussierungsgerät zur automatischen Fokusanpassung in Abhängigkeit von Videosignalen
JPH04354478A (ja) * 1991-05-31 1992-12-08 Sanyo Electric Co Ltd オートフォーカスビデオカメラ
JP2725933B2 (ja) * 1992-01-31 1998-03-11 三洋電機株式会社 オートフォーカス装置
JP2725937B2 (ja) * 1992-02-19 1998-03-11 三洋電機株式会社 オートフォーカス装置
JPH05344403A (ja) * 1992-06-10 1993-12-24 Sony Corp 撮像装置
KR100275185B1 (ko) * 1993-06-17 2000-12-15 다카노 야스아키 영상 신호에 응답하여 촛점의 자동 정합을 행하는 오토 포커스 장치
JP3380627B2 (ja) * 1994-10-21 2003-02-24 株式会社リコー オートフォーカス装置
US6683652B1 (en) * 1995-08-29 2004-01-27 Canon Kabushiki Kaisha Interchangeable lens video camera system having improved focusing
US5969760A (en) * 1996-03-14 1999-10-19 Polaroid Corporation Electronic still camera having mechanically adjustable CCD to effect focus
JP4574220B2 (ja) * 2004-04-30 2010-11-04 富士フイルム株式会社 撮像装置及び撮像方法
JP2006208818A (ja) 2005-01-28 2006-08-10 Sony Corp フォーカス制御装置、フォーカス制御方法
JP4730044B2 (ja) * 2005-10-04 2011-07-20 ソニー株式会社 撮像装置、および撮像装置制御方法、並びにコンピュータ・プログラム
FR3027402B1 (fr) * 2014-10-21 2016-11-18 Centre Nat Rech Scient Circuit et procede pour le test sur puce d'une matrice de pixels

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5827354A (ja) * 1981-07-27 1983-02-18 テキサス・インスツルメンツ・インコ−ポレイテツド 集積回路用キャリア
JPS5858505A (ja) * 1981-10-05 1983-04-07 Hitachi Ltd ビデオカメラのオ−トフオ−カス装置
US4442457A (en) * 1981-12-17 1984-04-10 Hughes Aircraft Company Charge coupled device focal zoom
US4531158A (en) * 1982-01-27 1985-07-23 Hitachi, Ltd. Automatic focusing system for video cameras
JPS59109032A (ja) * 1982-12-14 1984-06-23 Matsushita Electric Ind Co Ltd カメラの焦点調節装置
JPS60103776A (ja) * 1983-11-10 1985-06-08 Sanyo Electric Co Ltd オ−トフオ−カス制御回路
JPS60132473A (ja) * 1983-12-20 1985-07-15 Asahi Optical Co Ltd ビデオカメラのオ−トフオ−カス装置
JPS60135712U (ja) * 1984-02-20 1985-09-09 三洋電機株式会社 自動焦点カメラ
NL8501634A (nl) * 1984-09-14 1986-04-01 Philips Nv Kamera voor televisie-, foto- respektievelijk filmopname uitgevoerd met een automatische fokusinstelinrichting.
JP2537170B2 (ja) * 1984-09-29 1996-09-25 キヤノン株式会社 カメラ
JPH028456Y2 (de) * 1984-10-26 1990-02-28
JPS61105978A (ja) * 1984-10-30 1986-05-24 Sanyo Electric Co Ltd オ−トフオ−カス回路
JPS6231814A (ja) * 1985-08-02 1987-02-10 Matsushita Electric Ind Co Ltd 自動焦点調節装置
JPS62163475A (ja) * 1986-01-13 1987-07-20 Canon Inc 焦点検出装置
JPH0771209B2 (ja) * 1986-06-13 1995-07-31 三洋電機株式会社 オ−トフォ−カス回路

Also Published As

Publication number Publication date
KR950006044B1 (ko) 1995-06-07
AU1191688A (en) 1988-08-25
EP0279424B1 (de) 1992-04-29
JPH0644806B2 (ja) 1994-06-08
JPS63203069A (ja) 1988-08-22
EP0279424A2 (de) 1988-08-24
EP0279424A3 (en) 1988-10-05
AU600553B2 (en) 1990-08-16
US4853789A (en) 1989-08-01
CA1301500C (en) 1992-05-26
KR880010605A (ko) 1988-10-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee