DE69126950D1 - Brennpunktermittlungsvorrichtung - Google Patents

Brennpunktermittlungsvorrichtung

Info

Publication number
DE69126950D1
DE69126950D1 DE69126950T DE69126950T DE69126950D1 DE 69126950 D1 DE69126950 D1 DE 69126950D1 DE 69126950 T DE69126950 T DE 69126950T DE 69126950 T DE69126950 T DE 69126950T DE 69126950 D1 DE69126950 D1 DE 69126950D1
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
DE69126950T
Other languages
English (en)
Other versions
DE69126950T2 (de
Inventor
Yosuke Kusaka
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
Priority claimed from JP2308302A external-priority patent/JPH04179907A/ja
Priority claimed from JP2308301A external-priority patent/JPH04179939A/ja
Priority claimed from JP2323792A external-priority patent/JP3041948B2/ja
Application filed by Nikon Corp filed Critical Nikon Corp
Publication of DE69126950D1 publication Critical patent/DE69126950D1/de
Application granted granted Critical
Publication of DE69126950T2 publication Critical patent/DE69126950T2/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)
DE69126950T 1990-11-14 1991-11-14 Brennpunktermittlungsvorrichtung Expired - Lifetime DE69126950T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2308302A JPH04179907A (ja) 1990-11-14 1990-11-14 焦点検出装置
JP2308301A JPH04179939A (ja) 1990-11-14 1990-11-14 焦点検出装置
JP2323792A JP3041948B2 (ja) 1990-11-27 1990-11-27 焦点検出装置

Publications (2)

Publication Number Publication Date
DE69126950D1 true DE69126950D1 (de) 1997-08-28
DE69126950T2 DE69126950T2 (de) 1998-02-19

Family

ID=27338953

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69126950T Expired - Lifetime DE69126950T2 (de) 1990-11-14 1991-11-14 Brennpunktermittlungsvorrichtung

Country Status (3)

Country Link
US (1) US5418594A (de)
EP (1) EP0486302B1 (de)
DE (1) DE69126950T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3230098B2 (ja) * 1992-01-27 2001-11-19 株式会社ニコン 焦点検出装置
JPH06313842A (ja) * 1993-04-28 1994-11-08 Canon Inc 自動焦点カメラ
JP4649974B2 (ja) * 2004-12-16 2011-03-16 株式会社ニコン 焦点検出装置、カメラ
CN101800022B (zh) * 2010-03-17 2012-01-11 福州大学 基于子行驱动技术场致发射显示的低灰度增强方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5650315A (en) * 1979-10-01 1981-05-07 Canon Inc Focus detecting method and device
US4684798A (en) * 1985-10-03 1987-08-04 Honeywell Inc. Performance improvement for camera autofocus
JPH084295B2 (ja) * 1986-01-21 1996-01-17 ミノルタ株式会社 Ｃｃｄ１次元イメ−ジセンサ
US4835615A (en) * 1986-01-21 1989-05-30 Minolta Camera Kabushiki Kaisha Image sensor with improved response characteristics
US4904854A (en) * 1987-01-12 1990-02-27 Minolta Camera Kabushiki Kaisha Automatic focus detecting device having deviation compensation
JP2921867B2 (ja) * 1988-07-20 1999-07-19 旭光学工業株式会社 カメラの焦点検出装置
JPH061294B2 (ja) * 1988-08-31 1994-01-05 キヤノン株式会社 焦点検出装置を備えたカメラ
GB2223140B (en) * 1988-08-31 1993-03-03 Canon Kk Automatic focusing apparatus for camera
JP2829007B2 (ja) * 1988-11-15 1998-11-25 株式会社ニコン イメージセンサ装置

Also Published As

Publication number Publication date
US5418594A (en) 1995-05-23
DE69126950T2 (de) 1998-02-19
EP0486302A2 (de) 1992-05-20
EP0486302B1 (de) 1997-07-23
EP0486302A3 (en) 1992-11-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition