DE69835850D1 - Scharfeinstellung-Detektionsgerät - Google Patents

Scharfeinstellung-Detektionsgerät

Info

Publication number
DE69835850D1
DE69835850D1 DE69835850T DE69835850T DE69835850D1 DE 69835850 D1 DE69835850 D1 DE 69835850D1 DE 69835850 T DE69835850 T DE 69835850T DE 69835850 T DE69835850 T DE 69835850T DE 69835850 D1 DE69835850 D1 DE 69835850D1
Authority
DE
Germany
Prior art keywords
detection device
focus detection
focus
detection
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
DE69835850T
Other languages
English (en)
Other versions
DE69835850T2 (de
Inventor
Yasuo Suda
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 DE69835850D1 publication Critical patent/DE69835850D1/de
Application granted granted Critical
Publication of DE69835850T2 publication Critical patent/DE69835850T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G02B7/34—Systems for automatic generation of focusing signals using different areas in a pupil plane
    • G02B7/346—Systems for automatic generation of focusing signals using different areas in a pupil plane using horizontal and vertical areas in the pupil plane, i.e. wide area autofocusing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
  • Studio Devices (AREA)
DE69835850T 1997-05-12 1998-05-11 Scharfeinstellung-Detektionsgerät Expired - Lifetime DE69835850T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9121013A JPH10311945A (ja) 1997-05-12 1997-05-12 焦点検出装置
JP12101397 1997-05-12

Publications (2)

Publication Number Publication Date
DE69835850D1 true DE69835850D1 (de) 2006-10-26
DE69835850T2 DE69835850T2 (de) 2007-05-24

Family

ID=14800653

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69835850T Expired - Lifetime DE69835850T2 (de) 1997-05-12 1998-05-11 Scharfeinstellung-Detektionsgerät

Country Status (4)

Country Link
US (1) US5892578A (de)
EP (1) EP0878726B1 (de)
JP (1) JPH10311945A (de)
DE (1) DE69835850T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4190086B2 (ja) * 1999-05-10 2008-12-03 オリンパス株式会社 電子的撮像装置
JP2007010951A (ja) 2005-06-30 2007-01-18 Canon Inc 焦点検出装置及び撮像装置
WO2012164881A1 (ja) * 2011-05-27 2012-12-06 パナソニック株式会社 画像処理装置および画像処理方法
US8755045B2 (en) * 2012-01-06 2014-06-17 Taiwan Semiconductor Manufacturing Company, Ltd. Detecting method for forming semiconductor device
JP6021780B2 (ja) * 2013-10-07 2016-11-09 キヤノン株式会社 画像データ処理装置、距離算出装置、撮像装置および画像データ処理方法
CN109862271B (zh) * 2019-02-27 2021-03-16 上海创功通讯技术有限公司 相位差对焦方法、电子设备及计算机存储介质

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5315131A (en) * 1976-07-27 1978-02-10 Canon Inc Detecting method for sharpness of objective image
JPS6115112A (ja) * 1984-07-02 1986-01-23 Canon Inc 焦点検出装置
JPS62173412A (ja) * 1986-01-27 1987-07-30 Canon Inc 焦点検出装置
JPS63163418A (ja) * 1986-12-26 1988-07-06 Olympus Optical Co Ltd 焦点検出装置
US5155518A (en) * 1988-08-24 1992-10-13 Nikon Corporation Focus detecting apparatus
US5087935A (en) * 1989-02-01 1992-02-11 Canon Kabushiki Kaisha Active external distance measuring system having an optical device in the light projection and light receiving paths to reduce parallax
JPH06103182B2 (ja) * 1991-06-07 1994-12-14 株式会社ニコン 焦点検出装置
US5615399A (en) * 1991-08-28 1997-03-25 Canon Kabushiki Kaisha Focus detecting apparatus having photoelectric area sensors
JP3285376B2 (ja) * 1991-11-29 2002-05-27 キヤノン株式会社 自動焦点検出装置
JPH0875995A (ja) * 1994-09-07 1996-03-22 Nikon Corp 焦点検出装置
JPH09105856A (ja) * 1995-10-06 1997-04-22 Canon Inc 焦点検出装置

Also Published As

Publication number Publication date
JPH10311945A (ja) 1998-11-24
EP0878726B1 (de) 2006-09-13
DE69835850T2 (de) 2007-05-24
EP0878726A2 (de) 1998-11-18
US5892578A (en) 1999-04-06
EP0878726A3 (de) 2000-09-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition