DE69221552D1 - Autofokusvorrichtung - Google Patents

Autofokusvorrichtung

Info

Publication number
DE69221552D1
DE69221552D1 DE69221552T DE69221552T DE69221552D1 DE 69221552 D1 DE69221552 D1 DE 69221552D1 DE 69221552 T DE69221552 T DE 69221552T DE 69221552 T DE69221552 T DE 69221552T DE 69221552 D1 DE69221552 D1 DE 69221552D1
Authority
DE
Germany
Prior art keywords
autofocus device
autofocus
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
DE69221552T
Other languages
English (en)
Other versions
DE69221552T2 (de
Inventor
Akira Ogasawara
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.)
Nikon Corp
Original Assignee
Nikon Corp
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 Nikon Corp filed Critical Nikon Corp
Application granted granted Critical
Publication of DE69221552D1 publication Critical patent/DE69221552D1/de
Publication of DE69221552T2 publication Critical patent/DE69221552T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
DE69221552T 1991-06-24 1992-06-24 Autofokusvorrichtung Expired - Fee Related DE69221552T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP03178780A JP3136661B2 (ja) 1991-06-24 1991-06-24 自動焦点調節装置

Publications (2)

Publication Number Publication Date
DE69221552D1 true DE69221552D1 (de) 1997-09-18
DE69221552T2 DE69221552T2 (de) 1998-02-26

Family

ID=16054508

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69221552T Expired - Fee Related DE69221552T2 (de) 1991-06-24 1992-06-24 Autofokusvorrichtung

Country Status (4)

Country Link
US (2) US5270763A (de)
EP (1) EP0520764B1 (de)
JP (1) JP3136661B2 (de)
DE (1) DE69221552T2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5448051A (en) * 1992-08-18 1995-09-05 Nikon Corporation Automatic focusing apparatus for moving objects
JP3218730B2 (ja) * 1992-10-19 2001-10-15 株式会社ニコン 予測機能を有する焦点調節装置
JPH07199042A (ja) * 1993-12-28 1995-08-04 Canon Inc 視線検出機能付カメラ
JPH0875991A (ja) * 1994-09-07 1996-03-22 Nikon Corp 自動焦点カメラ
US5694625A (en) * 1994-09-07 1997-12-02 Nikon Corporation Camera provided with an automatic focus adjusting apparatus
JPH08101337A (ja) * 1994-09-30 1996-04-16 Nikon Corp 自動焦点調節装置および焦点調節方法
JPH08129129A (ja) * 1994-11-02 1996-05-21 Nikon Corp 自動焦点調節装置および自動焦点調節装置を備えたカメ ラ
JPH0968644A (ja) * 1995-08-31 1997-03-11 Nikon Corp 自動焦点調節装置
JPH0980296A (ja) * 1995-09-12 1997-03-28 Nikon Corp 自動合焦装置
US6974938B1 (en) * 2000-03-08 2005-12-13 Tibotec Bvba Microscope having a stable autofocusing apparatus
JP3992992B2 (ja) 2002-02-19 2007-10-17 株式会社リコー 被写体像取得装置
CN100367105C (zh) * 2003-12-24 2008-02-06 金宝电子工业股份有限公司 数字摄影机追踪式对焦方法
JP4590190B2 (ja) * 2004-01-30 2010-12-01 キヤノン株式会社 光学機器
JP5089154B2 (ja) * 2006-12-11 2012-12-05 富士フイルム株式会社 オートフォーカスシステム
KR101420425B1 (ko) * 2007-09-03 2014-07-16 삼성전자주식회사 카메라의 자동 초점 조절 장치 및 방법
JP5164626B2 (ja) * 2008-03-22 2013-03-21 三洋電機株式会社 電子カメラ
JP5344608B2 (ja) * 2009-08-24 2013-11-20 キヤノン株式会社 撮影システム
JP5379739B2 (ja) 2010-04-30 2013-12-25 キヤノン株式会社 レンズ装置
EP4215878A1 (de) * 2022-01-19 2023-07-26 Renesas Electronics America Inc. Positionssensorsystem und verfahren zur fehlererkennung eines positionssensorsystems

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4783677A (en) * 1986-06-21 1988-11-08 Minolta Camera Kabushiki Kaisha Automatic focus control device
EP0347042B1 (de) * 1988-05-13 1995-01-25 Nikon Corporation Automatisches Scharfeinstellgerät
JPH01285907A (ja) * 1988-05-13 1989-11-16 Canon Inc カメラのための自動焦点調節装置
JP2934706B2 (ja) * 1988-11-28 1999-08-16 株式会社ニコン 自動焦点調節装置
US5179407A (en) * 1989-06-19 1993-01-12 Nikon Corporation Automatic focusing device

Also Published As

Publication number Publication date
DE69221552T2 (de) 1998-02-26
EP0520764B1 (de) 1997-08-13
US5574535A (en) 1996-11-12
US5270763A (en) 1993-12-14
JPH052127A (ja) 1993-01-08
JP3136661B2 (ja) 2001-02-19
EP0520764A1 (de) 1992-12-30

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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