DE3850940T2 - Automatische Fokussierungsanlage für eine Videokamera. - Google Patents

Automatische Fokussierungsanlage für eine Videokamera.

Info

Publication number
DE3850940T2
DE3850940T2 DE3850940T DE3850940T DE3850940T2 DE 3850940 T2 DE3850940 T2 DE 3850940T2 DE 3850940 T DE3850940 T DE 3850940T DE 3850940 T DE3850940 T DE 3850940T DE 3850940 T2 DE3850940 T2 DE 3850940T2
Authority
DE
Germany
Prior art keywords
video camera
automatic focusing
focusing system
automatic
camera
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
DE3850940T
Other languages
English (en)
Other versions
DE3850940D1 (de
Inventor
Yoshiaki Hirao
Ryuichiro Kuga
Masayuki Yoneyama
Shusuke Ono
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
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE3850940D1 publication Critical patent/DE3850940D1/de
Publication of DE3850940T2 publication Critical patent/DE3850940T2/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
    • 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
DE3850940T 1987-10-08 1988-10-04 Automatische Fokussierungsanlage für eine Videokamera. Expired - Fee Related DE3850940T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25419987 1987-10-08

Publications (2)

Publication Number Publication Date
DE3850940D1 DE3850940D1 (de) 1994-09-08
DE3850940T2 true DE3850940T2 (de) 1995-02-23

Family

ID=17261625

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3850940T Expired - Fee Related DE3850940T2 (de) 1987-10-08 1988-10-04 Automatische Fokussierungsanlage für eine Videokamera.

Country Status (3)

Country Link
US (1) US4924317A (de)
EP (1) EP0319127B1 (de)
DE (1) DE3850940T2 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5402174A (en) * 1988-09-18 1995-03-28 Canon Kabushiki Kaisha Camera apparatus having focus detecting sensitivity based on absolute focal length
DE69033646T2 (de) * 1989-07-18 2001-02-22 Fuji Photo Film Co Ltd Verfahren und Einrichtung zur Steuerung der Belichtungsänderungen einer Videokamera
US5084754A (en) * 1989-09-20 1992-01-28 Sony Corporation Method and apparatus for effecting fuzzy control of an imaging device
JPH03143173A (ja) * 1989-10-30 1991-06-18 Toshiba Corp ビデオ・カメラの自動焦点調節装置
JP3170787B2 (ja) * 1990-05-14 2001-05-28 ミノルタ株式会社 カメラシステム
JP2833169B2 (ja) * 1990-07-18 1998-12-09 日本ビクター株式会社 撮像装置
JPH05265081A (ja) * 1992-03-23 1993-10-15 Canon Inc 複眼撮像装置
US5245172A (en) * 1992-05-12 1993-09-14 United Parcel Service Of America, Inc. Voice coil focusing system having an image receptor mounted on a pivotally-rotatable frame
DE69326106T2 (de) * 1992-06-29 2000-01-05 Canon Kk Objektivkontrollgerät
JP3247744B2 (ja) * 1992-12-25 2002-01-21 キヤノン株式会社 撮像装置
US5442167A (en) * 1993-04-16 1995-08-15 Intermec Corporation Method and apparatus for automatic image focusing
US6236431B1 (en) * 1993-05-27 2001-05-22 Canon Kabushiki Kaisha Video camera apparatus with distance measurement area adjusted based on electronic magnification
US6222588B1 (en) * 1993-05-28 2001-04-24 Canon Kabushiki Kaisha Automatic focus adjusting device with driving direction control
WO1995015054A1 (de) * 1993-11-26 1995-06-01 Sinar Ag Schaffhausen Stehbildkamera und bildgestaltungsverfahren
JP3651996B2 (ja) * 1996-01-12 2005-05-25 キヤノン株式会社 フランジバック調整方法及びそれを用いた撮影レンズ
US5969760A (en) * 1996-03-14 1999-10-19 Polaroid Corporation Electronic still camera having mechanically adjustable CCD to effect focus
US6421088B1 (en) * 1998-06-19 2002-07-16 Mustek Systems Inc. Digital camera with an adjusting device for adjusting its lens and irises
JP2001264614A (ja) * 2000-03-15 2001-09-26 Fuji Photo Optical Co Ltd ズームレンズ
JP4636979B2 (ja) * 2005-09-09 2011-02-23 キヤノン株式会社 撮像装置及びその制御方法
JP4641494B2 (ja) * 2005-11-28 2011-03-02 キヤノン株式会社 光学機器
JP5721404B2 (ja) * 2009-12-22 2015-05-20 キヤノン株式会社 焦点検出装置及びその制御方法
JP2012222602A (ja) * 2011-04-08 2012-11-12 Sony Corp 撮像装置及び撮像システム
WO2017076060A1 (zh) * 2015-11-05 2017-05-11 杭州唐光科技有限公司 一种自动聚焦装置及系统
US10250794B2 (en) * 2017-01-04 2019-04-02 Motorola Mobility Llc Capturing an image using multi-camera automatic focus
JP6836656B2 (ja) * 2017-09-20 2021-03-03 富士フイルム株式会社 撮像装置及び撮像装置の合焦制御方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4414575A (en) * 1980-11-21 1983-11-08 Hitachi Denshi Kabushiki Kaisha Autofocus system
JPS5793307A (en) * 1980-12-02 1982-06-10 Olympus Optical Co Ltd Automatic focusing system
US4484806A (en) * 1982-04-28 1984-11-27 Matsushita Electric Industrial Co., Ltd. Automatic focussing apparatus
US4575764A (en) * 1983-11-07 1986-03-11 Honeywell Inc. Video camera auto focus
US4745484A (en) * 1986-07-30 1988-05-17 Drexler Technology Corporation Method and apparatus for stepped imaging in reading data

Also Published As

Publication number Publication date
EP0319127A3 (en) 1990-02-28
DE3850940D1 (de) 1994-09-08
US4924317A (en) 1990-05-08
EP0319127A2 (de) 1989-06-07
EP0319127B1 (de) 1994-08-03

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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