JP5464771B2 - 撮像装置およびそのフォーカス制御方法 - Google Patents

撮像装置およびそのフォーカス制御方法 Download PDF

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Publication number
JP5464771B2
JP5464771B2 JP2003355438A JP2003355438A JP5464771B2 JP 5464771 B2 JP5464771 B2 JP 5464771B2 JP 2003355438 A JP2003355438 A JP 2003355438A JP 2003355438 A JP2003355438 A JP 2003355438A JP 5464771 B2 JP5464771 B2 JP 5464771B2
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Prior art keywords
focus lens
focus
detection
moving
focus position
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JP2003355438A
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Japanese (ja)
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JP2005121819A (ja
JP2005121819A5 (enExample
Inventor
仁志 保田
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Canon Inc
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Canon Inc
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Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2003355438A priority Critical patent/JP5464771B2/ja
Priority to US10/960,094 priority patent/US7403230B2/en
Publication of JP2005121819A publication Critical patent/JP2005121819A/ja
Publication of JP2005121819A5 publication Critical patent/JP2005121819A5/ja
Priority to US12/140,427 priority patent/US7852398B2/en
Application granted granted Critical
Publication of JP5464771B2 publication Critical patent/JP5464771B2/ja
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    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Automatic Focus Adjustment (AREA)
  • Studio Devices (AREA)
  • Focusing (AREA)
JP2003355438A 2003-10-15 2003-10-15 撮像装置およびそのフォーカス制御方法 Expired - Fee Related JP5464771B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2003355438A JP5464771B2 (ja) 2003-10-15 2003-10-15 撮像装置およびそのフォーカス制御方法
US10/960,094 US7403230B2 (en) 2003-10-15 2004-10-08 Image-taking apparatus
US12/140,427 US7852398B2 (en) 2003-10-15 2008-06-17 Image-taking apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003355438A JP5464771B2 (ja) 2003-10-15 2003-10-15 撮像装置およびそのフォーカス制御方法

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP2013035114A Division JP5645986B2 (ja) 2013-02-25 2013-02-25 撮像装置およびそのフォーカス制御方法
JP2013242435A Division JP5943900B2 (ja) 2013-11-25 2013-11-25 撮像装置

Publications (3)

Publication Number Publication Date
JP2005121819A JP2005121819A (ja) 2005-05-12
JP2005121819A5 JP2005121819A5 (enExample) 2006-11-30
JP5464771B2 true JP5464771B2 (ja) 2014-04-09

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JP2003355438A Expired - Fee Related JP5464771B2 (ja) 2003-10-15 2003-10-15 撮像装置およびそのフォーカス制御方法

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US (2) US7403230B2 (enExample)
JP (1) JP5464771B2 (enExample)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5464771B2 (ja) * 2003-10-15 2014-04-09 キヤノン株式会社 撮像装置およびそのフォーカス制御方法
US7589781B2 (en) * 2005-01-26 2009-09-15 Omnivision Technologies, Inc. Automatic focus for image sensors
JP4564884B2 (ja) * 2005-04-28 2010-10-20 キヤノン株式会社 レンズ装置及び撮影装置
JP2008026789A (ja) * 2006-07-25 2008-02-07 Canon Inc 撮像装置及びフォーカス制御方法
JP4847243B2 (ja) * 2006-07-25 2011-12-28 キヤノン株式会社 焦点調節装置、及び撮像装置
US8121470B2 (en) 2006-07-25 2012-02-21 Canon Kabushiki Kaisha Focusing device, image pick-up apparatus, and control method
JP2008026788A (ja) 2006-07-25 2008-02-07 Canon Inc 撮像装置及びフォーカス制御方法
JP2008046351A (ja) * 2006-08-16 2008-02-28 Canon Inc 自動焦点調節装置および撮像装置
JP2008058788A (ja) * 2006-09-01 2008-03-13 Canon Inc 焦点調節装置、撮像装置、および制御方法
JP4429328B2 (ja) * 2007-02-09 2010-03-10 キヤノン株式会社 自動合焦装置とその制御方法並びに撮像装置
JP5247044B2 (ja) * 2007-02-16 2013-07-24 キヤノン株式会社 撮像装置
JP4957366B2 (ja) * 2007-05-09 2012-06-20 コニカミノルタアドバンストレイヤー株式会社 カメラモジュールおよびカメラモジュールの駆動方法
US8525916B2 (en) * 2008-10-30 2013-09-03 Panasonic Corporation Imaging apparatus using different driving methods according to estimation results
JP5495683B2 (ja) * 2009-09-10 2014-05-21 キヤノン株式会社 撮像装置および測距方法
WO2011048752A1 (ja) * 2009-10-22 2011-04-28 パナソニック株式会社 フォーカスシステム、交換レンズ及び撮像装置
JP5721404B2 (ja) 2009-12-22 2015-05-20 キヤノン株式会社 焦点検出装置及びその制御方法
JP5495773B2 (ja) * 2009-12-22 2014-05-21 キヤノン株式会社 撮像装置及び撮像装置の制御方法
JP5615017B2 (ja) * 2010-04-05 2014-10-29 キヤノン株式会社 光学機器
JP5623254B2 (ja) * 2010-11-29 2014-11-12 キヤノン株式会社 撮像装置およびその制御方法
JP2012133067A (ja) * 2010-12-21 2012-07-12 Samsung Electronics Co Ltd 撮像装置
US8760567B2 (en) * 2010-12-21 2014-06-24 Samsung Electronics Co., Ltd. Photographing apparatus and method to reduce auto-focus time
JP5709532B2 (ja) * 2011-01-05 2015-04-30 キヤノン株式会社 自動合焦装置及びそれを有するレンズ装置及び撮像システム
CN105866917A (zh) 2011-05-31 2016-08-17 株式会社尼康 镜头镜筒及相机机身
US10250793B2 (en) 2011-06-29 2019-04-02 Nikon Corporation Focus adjustment device having a control unit that drives a focus adjustment optical system to a focused position acquired first by either a contrast detection system or a phase difference detection system
JP6035728B2 (ja) * 2011-11-11 2016-11-30 株式会社ニコン 焦点調節装置および撮像装置
JP5963526B2 (ja) * 2012-04-27 2016-08-03 キヤノン株式会社 レンズ装置及びそれを有する撮像装置
JP6204644B2 (ja) * 2012-08-15 2017-09-27 キヤノン株式会社 撮像装置およびその制御方法
JP5930979B2 (ja) * 2013-02-04 2016-06-08 キヤノン株式会社 撮像装置
JP7130412B2 (ja) * 2018-04-04 2022-09-05 キヤノン株式会社 制御装置、光学機器、撮像装置および制御方法
JP2023101895A (ja) * 2022-01-11 2023-07-24 キヤノン株式会社 合焦情報取得装置、レンズ装置、撮像装置、合焦情報取得方法およびプログラム

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59146010A (ja) * 1983-02-10 1984-08-21 Olympus Optical Co Ltd 焦点検出方法
JPH0564056A (ja) 1991-08-30 1993-03-12 Canon Inc 合焦装置
JPH05119250A (ja) * 1991-10-30 1993-05-18 Casio Comput Co Ltd オートフオーカス装置
JPH0698234A (ja) * 1992-09-10 1994-04-08 Canon Inc カメラ
US6222588B1 (en) * 1993-05-28 2001-04-24 Canon Kabushiki Kaisha Automatic focus adjusting device with driving direction control
US5786853A (en) * 1994-04-12 1998-07-28 Canon Kabushiki Kaisha Lens control device
US5815748A (en) * 1996-02-15 1998-09-29 Minolta Co., Ltd. Camera
US7388614B2 (en) 1997-08-18 2008-06-17 Canon Kabushiki Kaisha Automatic focus adjustment device and method using auxiliary light
JP3761383B2 (ja) * 2000-03-15 2006-03-29 株式会社リコー 自動合焦装置、カメラ、携帯情報入力装置、合焦位置検出方法、およびコンピュータが読取可能な記録媒体
JP2001350084A (ja) * 2000-06-07 2001-12-21 Olympus Optical Co Ltd 自動焦点調節装置
JP4215230B2 (ja) * 2001-04-19 2009-01-28 株式会社リコー 電子カメラ
CN1249515C (zh) * 2001-08-10 2006-04-05 佳能株式会社 摄像装置和焦点调节方法
JP2003066321A (ja) * 2001-08-29 2003-03-05 Mega Chips Corp Ａｆ制御装置およびａｆ制御方法
JP3797543B2 (ja) * 2001-10-26 2006-07-19 富士写真フイルム株式会社 自動焦点調節装置
JP3977062B2 (ja) * 2001-11-21 2007-09-19 キヤノン株式会社 撮像装置及び焦点調節方法
JP3914060B2 (ja) * 2002-02-08 2007-05-16 富士フイルム株式会社 合焦装置
JP4481610B2 (ja) * 2003-09-09 2010-06-16 キヤノン株式会社 撮像装置および撮像装置のフォーカス制御方法
JP5464771B2 (ja) * 2003-10-15 2014-04-09 キヤノン株式会社 撮像装置およびそのフォーカス制御方法

Also Published As

Publication number Publication date
JP2005121819A (ja) 2005-05-12
US7403230B2 (en) 2008-07-22
US7852398B2 (en) 2010-12-14
US20080247741A1 (en) 2008-10-09
US20050083429A1 (en) 2005-04-21

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