DE3851383D1 - Automatische Fokussierungsschaltung für automatische Fokusanpassung in Abhängigkeit von Videosignalen. - Google Patents

Automatische Fokussierungsschaltung für automatische Fokusanpassung in Abhängigkeit von Videosignalen.

Info

Publication number
DE3851383D1
DE3851383D1 DE3851383T DE3851383T DE3851383D1 DE 3851383 D1 DE3851383 D1 DE 3851383D1 DE 3851383 T DE3851383 T DE 3851383T DE 3851383 T DE3851383 T DE 3851383T DE 3851383 D1 DE3851383 D1 DE 3851383D1
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 - Lifetime
Application number
DE3851383T
Other languages
English (en)
Other versions
DE3851383T2 (de
Inventor
Masaru Hidaka
Hirotsugu Murashima
Masao Takuma
Toshinobu Haruki
Kenichi Kikuchi
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
Priority claimed from JP62164382A external-priority patent/JPH0759048B2/ja
Priority claimed from JP63097312A external-priority patent/JPH06103934B2/ja
Application filed by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Publication of DE3851383D1 publication Critical patent/DE3851383D1/de
Application granted granted Critical
Publication of DE3851383T2 publication Critical patent/DE3851383T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
DE3851383T 1987-06-30 1988-06-30 Automatische Fokussierungsschaltung für automatische Fokusanpassung in Abhängigkeit von Videosignalen. Expired - Lifetime DE3851383T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62164382A JPH0759048B2 (ja) 1987-06-30 1987-06-30 オートフォーカス装置
JP63097312A JPH06103934B2 (ja) 1988-04-20 1988-04-20 オートフォーカスビデオカメラ

Publications (2)

Publication Number Publication Date
DE3851383D1 true DE3851383D1 (de) 1994-10-13
DE3851383T2 DE3851383T2 (de) 1995-04-27

Family

ID=26438502

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3851383T Expired - Lifetime DE3851383T2 (de) 1987-06-30 1988-06-30 Automatische Fokussierungsschaltung für automatische Fokusanpassung in Abhängigkeit von Videosignalen.

Country Status (7)

Country Link
US (1) US4922346A (de)
EP (1) EP0297587B1 (de)
KR (1) KR930004641B1 (de)
AU (2) AU596018B2 (de)
CA (1) CA1289236C (de)
DE (1) DE3851383T2 (de)
ES (1) ES2063746T3 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU612484B2 (en) * 1988-05-11 1991-07-11 Sanyo Electric Co., Ltd. Image sensing apparatus having automatic focusing function of automatically matching focus in response to video signal
EP0341692B1 (de) * 1988-05-11 1994-04-20 Sanyo Electric Co., Ltd. Bildsensorapparat mit einer automatischen Fokussiereinrichtung für automatische Fokusanpassung in Abhängigkeit von Videosignalen
JPH0834551B2 (ja) * 1988-07-19 1996-03-29 松下電器産業株式会社 自動焦点調整装置
US5249058A (en) * 1989-08-08 1993-09-28 Sanyo Electric Co., Ltd. Apparatus for automatically focusing a camera lens
WO1991002428A1 (en) * 1989-08-08 1991-02-21 Sanyo Electric Co., Ltd Automatically focusing camera
EP0417975B1 (de) * 1989-09-10 1997-04-02 Canon Kabushiki Kaisha Automatisches Fokussierungsverfahren
JP2974339B2 (ja) * 1989-09-20 1999-11-10 キヤノン株式会社 自動焦点調節装置
JPH03117275A (ja) * 1989-09-29 1991-05-20 Sanyo Electric Co Ltd オートフォーカスカメラ
JP2517415B2 (ja) * 1989-11-22 1996-07-24 三洋電機株式会社 オ―トフォ―カス方法
JPH03243071A (ja) * 1990-02-21 1991-10-30 Sony Corp オートフォーカス回路
DE69127112T2 (de) * 1990-02-28 1998-03-05 Sanyo Electric Co Automatisches Fokussierungsgerät zur automatischen Fokusanpassung in Abhängigkeit von Videosignalen
JP2932575B2 (ja) * 1990-03-06 1999-08-09 ソニー株式会社 オートフォーカス制御装置及びその制御方法
JP2941980B2 (ja) * 1991-03-07 1999-08-30 キヤノン株式会社 自動焦点調節装置
EP0895416A3 (de) * 1991-04-30 1999-08-25 Canon Kabushiki Kaisha Magnetische Aufzeichnungsvorrichtung in einer Fotokamera
DE69221929T2 (de) * 1991-05-02 1998-02-19 Canon Kk Automatische Fokussierungsvorrichtung
KR0130002B1 (ko) * 1991-07-30 1998-04-11 강진구 비데오 카메라의 오토 포커싱회로 및 방법
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
KR950010932B1 (ko) * 1992-02-29 1995-09-25 삼성전자주식회사 비디오 카메라의 오토메틱 포커스 회로
US5432552A (en) * 1992-11-04 1995-07-11 Sanyo Electric Co., Ltd. Automatic focusing apparatus including improved digital high-pass filter
US5614951A (en) * 1992-11-30 1997-03-25 Goldstar Co., Ltd. Apparatus and method utilizing a slope for automatically focusing an object in a video camera
US5757429A (en) * 1993-06-17 1998-05-26 Sanyo Electric Co., Ltd. Automatic focusing apparatus which adjusts the speed of focusing based on a change in the rate of the focus evaluating value
JP3401847B2 (ja) * 1993-06-24 2003-04-28 ソニー株式会社 撮像装置及びオートフォーカス回路
DE4424242A1 (de) 1994-07-09 1996-01-11 Ernst Peter Prof Dr M Strecker In den Körper eines Patienten perkutan implantierbare Endoprothese
US5557097A (en) * 1994-09-20 1996-09-17 Neopath, Inc. Cytological system autofocus integrity checking apparatus
US5664238A (en) * 1994-11-28 1997-09-02 Ricoh Company, Ltd. Focal controller of camera
JP3791012B2 (ja) * 1996-01-11 2006-06-28 ソニー株式会社 フォーカス制御装置
US7574016B2 (en) * 2003-06-26 2009-08-11 Fotonation Vision Limited Digital image processing using face detection information
US7844076B2 (en) * 2003-06-26 2010-11-30 Fotonation Vision Limited Digital image processing using face detection and skin tone information
JP4419085B2 (ja) * 2005-04-15 2010-02-24 ソニー株式会社 制御装置および方法、並びにプログラム
US8121470B2 (en) * 2006-07-25 2012-02-21 Canon Kabushiki Kaisha Focusing device, image pick-up apparatus, and control method
US8649604B2 (en) 2007-03-05 2014-02-11 DigitalOptics Corporation Europe Limited Face searching and detection in a digital image acquisition device
JP4885156B2 (ja) * 2008-02-07 2012-02-29 株式会社日立製作所 フォーカス制御装置及び方法
JP6482247B2 (ja) * 2014-11-14 2019-03-13 キヤノン株式会社 焦点調節装置、撮像装置、焦点調節装置の制御方法、及びプログラム
KR20220122008A (ko) * 2021-02-26 2022-09-02 삼성전자주식회사 이미지 신호 프로세싱 방법, 이미지 신호 프로세서 및 그 이미지 센싱 장치

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56106478A (en) * 1980-01-28 1981-08-24 Hitachi Ltd Automatic focusing device
JPS58505A (ja) * 1981-06-22 1983-01-05 上野　松蔵 橋の隣接上部構造相互離脱防止装置
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
US4484806A (en) * 1982-04-28 1984-11-27 Matsushita Electric Industrial Co., Ltd. Automatic focussing apparatus
JPS58202671A (ja) * 1982-05-21 1983-11-25 Hitachi Denshi Ltd 自動合焦方式
JPS60103776A (ja) * 1983-11-10 1985-06-08 Sanyo Electric Co Ltd オ−トフオ−カス制御回路
JPS60204181A (ja) * 1984-03-28 1985-10-15 Ricoh Co Ltd 自動合焦装置
JP2603212B2 (ja) * 1984-06-27 1997-04-23 キヤノン株式会社 カメラにおける自動追尾装置
JPH0620265B2 (ja) * 1984-08-01 1994-03-16 松下電器産業株式会社 自動焦点調整装置
NL8501634A (nl) * 1984-09-14 1986-04-01 Philips Nv Kamera voor televisie-, foto- respektievelijk filmopname uitgevoerd met een automatische fokusinstelinrichting.
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
JPH0648857B2 (ja) * 1985-02-25 1994-06-22 松下電器産業株式会社 自動焦点整合装置
JP2542361B2 (ja) * 1985-09-10 1996-10-09 株式会社三協精機製作所 自動合焦信号検出装置
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
EP0297587A2 (de) 1989-01-04
AU609346B2 (en) 1991-04-26
AU4892090A (en) 1990-05-17
US4922346A (en) 1990-05-01
ES2063746T3 (es) 1995-01-16
KR890001354A (ko) 1989-03-20
CA1289236C (en) 1991-09-17
EP0297587A3 (en) 1990-02-14
AU596018B2 (en) 1990-04-12
DE3851383T2 (de) 1995-04-27
EP0297587B1 (de) 1994-09-07
KR930004641B1 (en) 1993-06-02
AU1853588A (en) 1989-01-05

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Legal Events

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8364 No opposition during term of opposition