JP4541479B2 - 測距装置及びカメラ - Google Patents

測距装置及びカメラ Download PDF

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Publication number
JP4541479B2
JP4541479B2 JP2000021072A JP2000021072A JP4541479B2 JP 4541479 B2 JP4541479 B2 JP 4541479B2 JP 2000021072 A JP2000021072 A JP 2000021072A JP 2000021072 A JP2000021072 A JP 2000021072A JP 4541479 B2 JP4541479 B2 JP 4541479B2
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JP
Japan
Prior art keywords
distance
closest
distance measurement
measurement values
values
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
JP2000021072A
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English (en)
Japanese (ja)
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JP2001215400A (ja
JP2001215400A5 (enExample
Inventor
全 江川
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
Priority to JP2000021072A priority Critical patent/JP4541479B2/ja
Priority to US09/767,828 priority patent/US6836618B2/en
Publication of JP2001215400A publication Critical patent/JP2001215400A/ja
Publication of JP2001215400A5 publication Critical patent/JP2001215400A5/ja
Application granted granted Critical
Publication of JP4541479B2 publication Critical patent/JP4541479B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
  • Measurement Of Optical Distance (AREA)
JP2000021072A 2000-01-31 2000-01-31 測距装置及びカメラ Expired - Fee Related JP4541479B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2000021072A JP4541479B2 (ja) 2000-01-31 2000-01-31 測距装置及びカメラ
US09/767,828 US6836618B2 (en) 2000-01-31 2001-01-24 Distance measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000021072A JP4541479B2 (ja) 2000-01-31 2000-01-31 測距装置及びカメラ

Publications (3)

Publication Number Publication Date
JP2001215400A JP2001215400A (ja) 2001-08-10
JP2001215400A5 JP2001215400A5 (enExample) 2007-03-15
JP4541479B2 true JP4541479B2 (ja) 2010-09-08

Family

ID=18547530

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000021072A Expired - Fee Related JP4541479B2 (ja) 2000-01-31 2000-01-31 測距装置及びカメラ

Country Status (2)

Country Link
US (1) US6836618B2 (enExample)
JP (1) JP4541479B2 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002298142A (ja) * 2001-03-29 2002-10-11 Minolta Co Ltd 人物画像検出方法、この方法を実行するためのプログラムを記録した記録媒体、人物画像検出装置及びこの装置を備えた撮影装置
JP5219865B2 (ja) * 2008-02-13 2013-06-26 キヤノン株式会社 撮像装置及び焦点制御方法
DE202014103294U1 (de) * 2014-07-17 2015-10-21 Ipek International Gmbh Fokussiersystem sowie Kameraeinheit mit einem Fokussiersystem

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2902501A1 (de) * 1978-02-04 1979-08-09 Minolta Camera Kk Selbsttaetige fokussierungseinstellvorrichtung fuer kameras
JPS59193307A (ja) 1983-04-18 1984-11-01 Canon Inc 焦点調節装置
US4575211A (en) 1983-04-18 1986-03-11 Canon Kabushiki Kaisha Distance measuring device
JPS63163830A (ja) 1986-12-26 1988-07-07 Asahi Optical Co Ltd 自動合焦方法
US5249011A (en) 1986-12-26 1993-09-28 Asahi Kogaku Kogyo K.K. Automatic focusing method
US5313245A (en) * 1987-04-24 1994-05-17 Canon Kabushiki Kaisha Automatic focusing device
US4943824A (en) * 1987-11-12 1990-07-24 Minolta Camera Kabushiki Kaisha Device for measuring object distance used for camera
JPH0740112B2 (ja) * 1987-11-13 1995-05-01 コニカ株式会社 カメラのインターバル撮影制御装置
JPH01222209A (ja) * 1988-03-02 1989-09-05 Minolta Camera Co Ltd カメラの被写体距離測定装置
JPH02109008A (ja) * 1988-10-18 1990-04-20 Sony Corp 自動焦点制御方法
JP2881790B2 (ja) * 1988-12-29 1999-04-12 株式会社ニコン 焦点検出装置
JP3279315B2 (ja) * 1990-07-04 2002-04-30 オリンパス光学工業株式会社 測距装置
US5563677A (en) * 1992-01-09 1996-10-08 Nikon Corporation Auto focusing apparatus in a camera
JPH05224116A (ja) * 1992-02-17 1993-09-03 Seikosha Co Ltd カメラ
US5589911A (en) * 1992-12-09 1996-12-31 Olympus Optical Co., Ltd. Autofocusing apparatus for camera having multiple ranging device
JP3335419B2 (ja) 1993-05-25 2002-10-15 オリンパス光学工業株式会社 カメラの測距装置
JP3437242B2 (ja) * 1994-03-09 2003-08-18 オリンパス光学工業株式会社 カメラの測距装置
JPH0862486A (ja) * 1994-08-26 1996-03-08 Nikon Corp 自動焦点調節装置および自動焦点調節方法

Also Published As

Publication number Publication date
US6836618B2 (en) 2004-12-28
US20010017981A1 (en) 2001-08-30
JP2001215400A (ja) 2001-08-10

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