DE3780900T2 - Automatische fokussierungsvorrichtung. - Google Patents

Automatische fokussierungsvorrichtung.

Info

Publication number
DE3780900T2
DE3780900T2 DE8787114650T DE3780900T DE3780900T2 DE 3780900 T2 DE3780900 T2 DE 3780900T2 DE 8787114650 T DE8787114650 T DE 8787114650T DE 3780900 T DE3780900 T DE 3780900T DE 3780900 T2 DE3780900 T2 DE 3780900T2
Authority
DE
Germany
Prior art keywords
automatic focusing
focusing device
automatic
focusing
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
DE8787114650T
Other languages
English (en)
Other versions
DE3780900D1 (de
Inventor
Takeshi Baba
Yukichi Niwa
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Publication of DE3780900D1 publication Critical patent/DE3780900D1/de
Application granted granted Critical
Publication of DE3780900T2 publication Critical patent/DE3780900T2/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
    • 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)
  • Focusing (AREA)
DE8787114650T 1986-10-08 1987-10-07 Automatische fokussierungsvorrichtung. Expired - Lifetime DE3780900T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61239786A JP2535845B2 (ja) 1986-10-08 1986-10-08 自動合焦装置

Publications (2)

Publication Number Publication Date
DE3780900D1 DE3780900D1 (de) 1992-09-10
DE3780900T2 true DE3780900T2 (de) 1992-12-24

Family

ID=17049861

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787114650T Expired - Lifetime DE3780900T2 (de) 1986-10-08 1987-10-07 Automatische fokussierungsvorrichtung.

Country Status (4)

Country Link
US (1) US4872058A (de)
EP (1) EP0263510B1 (de)
JP (1) JP2535845B2 (de)
DE (1) DE3780900T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016113363A1 (de) * 2016-07-20 2018-01-25 Carl Zeiss Meditec Ag Visualisierungsvorrichtung mit verstellbarem Okular

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US5204749A (en) * 1984-05-25 1993-04-20 Canon Kabushiki Kaisha Automatic follow-up focus detecting device and automatic follow-up device
US5623309A (en) * 1987-02-12 1997-04-22 Canon Kabushiki Kaisha Automatic focusing device with adaptive signal filtering
GB2209446B (en) * 1987-09-02 1992-09-30 Canon Kk Automatic focusing device
GB2209901B (en) * 1987-09-11 1992-06-03 Canon Kk Image sensing device
US5272538A (en) * 1987-11-04 1993-12-21 Canon Kabushiki Kaisha Exposure control device
US6124891A (en) * 1987-11-04 2000-09-26 Canon Kabushiki Kaisha Exposure control device
JPH01221986A (ja) * 1988-03-01 1989-09-05 Canon Inc 露光制御装置
US4876602A (en) * 1988-05-02 1989-10-24 Hughes Aircraft Company Electronic focus correction by signal convolution
JP2770316B2 (ja) * 1988-05-13 1998-07-02 ミノルタ株式会社 自動焦点検出装置
DE58906549D1 (de) * 1988-07-28 1994-02-10 Contraves Ag Automatische Steuerung der Fokussierung einer Video-Kamera für industrielle/militärische Zwecke.
JP2791044B2 (ja) * 1988-08-31 1998-08-27 キヤノン株式会社 レンズ交換可能なカメラ及びレンズユニット及びカメラシステム
EP0358196B1 (de) * 1988-09-09 1997-07-30 Canon Kabushiki Kaisha Automatische Bildstabilisierungsvorrichtung
EP0364137A3 (de) * 1988-09-29 1991-07-03 Nikon Corporation Automatische Vorrichtung zur Bestimmung des Fokussierungszustandes
DE68921840T2 (de) * 1988-10-27 1995-09-07 Canon Kk Bildaufnahme- und Verarbeitungseinrichtung.
JPH0817452B2 (ja) * 1989-01-30 1996-02-21 松下電器産業株式会社 自動焦点調節装置
US5258847A (en) * 1989-03-22 1993-11-02 Canon Kabushiki Kaisha Object tracing device
US5040072A (en) * 1989-04-21 1991-08-13 Casio Computer Co., Ltd. Automatic exposure control system for electronic camera
US5051833A (en) * 1989-04-28 1991-09-24 Casio Computer Co., Ltd. Camera apparatus capable of freely setting objective area within viewed subject
US5070408A (en) * 1989-05-19 1991-12-03 Sony Corporation Focusing apparatus and digital filters for use therewith
JPH0310578A (ja) * 1989-06-08 1991-01-18 Kowa Co 自動合焦装置
DE3928549A1 (de) * 1989-06-14 1990-12-20 Gert Wagner Autofocussystem fuer fotoapparate
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
JPH0380676A (ja) * 1989-08-23 1991-04-05 Ricoh Co Ltd 電子パンフォーカス装置
JPH03117275A (ja) * 1989-09-29 1991-05-20 Sanyo Electric Co Ltd オートフォーカスカメラ
JPH07118785B2 (ja) * 1989-10-27 1995-12-18 三菱電機株式会社 コントラスト検出装置およびこれを用いたオートフォーカス装置
JP2517415B2 (ja) * 1989-11-22 1996-07-24 三洋電機株式会社 オ―トフォ―カス方法
EP0441380B1 (de) * 1990-02-08 1996-09-11 Canon Kabushiki Kaisha Bildaufnahmevorrichtung
US5235428A (en) * 1990-02-21 1993-08-10 Sony Corporation Auto-focus system for video camera
DE69127112T2 (de) * 1990-02-28 1998-03-05 Sanyo Electric Co Automatisches Fokussierungsgerät zur automatischen Fokusanpassung in Abhängigkeit von Videosignalen
US5223935A (en) * 1990-04-02 1993-06-29 Casio Computer Co., Ltd. Electronic camera with automatic exposure control
JP3103587B2 (ja) * 1990-04-25 2000-10-30 オリンパス光学工業株式会社 自動合焦装置
JPH0418872A (ja) * 1990-05-11 1992-01-23 Nippon Philips Kk 自動焦点制御装置
JPH04154380A (ja) * 1990-10-18 1992-05-27 Ricoh Co Ltd オートフォーカス装置
JP2782556B2 (ja) * 1990-11-05 1998-08-06 キヤノン株式会社 撮像装置
JP2647558B2 (ja) * 1990-12-04 1997-08-27 株式会社三協精機製作所 自動合焦信号検出装置
JP2935901B2 (ja) * 1990-12-06 1999-08-16 キヤノン株式会社 撮像装置
JP3082309B2 (ja) * 1991-05-31 2000-08-28 日本ビクター株式会社 オートフォーカス撮像装置
US5594500A (en) * 1991-10-17 1997-01-14 Canon Kabushiki Kaisha Image pickup apparatus
JPH06169420A (ja) * 1992-05-07 1994-06-14 Gold Star Co Ltd ビデオカメラシステムの焦点調節装置及び焦点調節方法
JP3477742B2 (ja) * 1993-06-18 2003-12-10 株式会社ニコン イメージセンサー
JPH089228A (ja) 1994-06-17 1996-01-12 Matsushita Electric Ind Co Ltd ビデオカメラ
JP3450449B2 (ja) * 1994-07-18 2003-09-22 キヤノン株式会社 撮像装置およびその撮像方法
US5666569A (en) * 1994-08-25 1997-09-09 Flashpoint Technology, Inc. System and method for detecting and indicating proper focal distance in a fixed lens camera
JP3298357B2 (ja) * 1995-04-10 2002-07-02 ミノルタ株式会社 フィルム画像再生装置
JPH0935492A (ja) 1995-07-18 1997-02-07 Sony Corp ピークホールド回路及びこれを有する固体撮像装置、並びにこれを搭載したカメラ
JPH0946570A (ja) * 1995-07-26 1997-02-14 Canon Inc 撮像装置
CN1856724A (zh) * 2003-09-22 2006-11-01 夏普株式会社 摄影透镜位置控制装置
CN100539645C (zh) * 2005-02-07 2009-09-09 松下电器产业株式会社 成像装置
WO2006082967A1 (ja) * 2005-02-07 2006-08-10 Matsushita Electric Industrial Co., Ltd. 撮像装置
US7702232B2 (en) 2006-07-25 2010-04-20 Hewlett-Packard Development Company, L.P. Dynamic focus zones for cameras
JP5188071B2 (ja) * 2007-02-08 2013-04-24 キヤノン株式会社 焦点調節装置、撮像装置及び、焦点調節方法
KR20090052677A (ko) 2007-11-21 2009-05-26 삼성디지털이미징 주식회사 포커스 조정 장치 및 방법
JP2011248156A (ja) * 2010-05-28 2011-12-08 Casio Comput Co Ltd 撮像装置、撮像方法及びプログラム

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3967056A (en) * 1973-02-26 1976-06-29 Minolta Camera Kabushiki Kaisha Automatic focusing apparatus
JPS5421957Y2 (de) * 1973-02-27 1979-08-02
JPS5651164A (en) * 1979-10-03 1981-05-08 Hitachi Ltd Automatic focusing device
JPS575019A (en) * 1980-06-13 1982-01-11 Olympus Optical Co Ltd Focus controller
JPS57183186A (en) * 1981-05-02 1982-11-11 West Electric Co Ltd Focusing point detector
JPS57186872A (en) * 1981-05-13 1982-11-17 Hitachi Ltd Auto-focusing device of video camera
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
JPS60249477A (ja) * 1984-05-25 1985-12-10 Canon Inc 自動追尾焦点検出装置
JPS60263584A (ja) * 1984-06-11 1985-12-27 Canon Inc カメラにおける自動追尾装置
JPH028456Y2 (de) * 1984-10-26 1990-02-28

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016113363A1 (de) * 2016-07-20 2018-01-25 Carl Zeiss Meditec Ag Visualisierungsvorrichtung mit verstellbarem Okular
DE102016113363B4 (de) 2016-07-20 2021-07-29 Carl Zeiss Meditec Ag Stereoskopisches Operationsmikroskop mit verstellbarem Okular

Also Published As

Publication number Publication date
JP2535845B2 (ja) 1996-09-18
EP0263510B1 (de) 1992-08-05
JPS6394213A (ja) 1988-04-25
EP0263510A3 (en) 1988-10-05
DE3780900D1 (de) 1992-09-10
EP0263510A2 (de) 1988-04-13
US4872058A (en) 1989-10-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition