JP5618712B2 - 自動焦点調節装置および撮像装置 - Google Patents

自動焦点調節装置および撮像装置 Download PDF

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Publication number
JP5618712B2
JP5618712B2 JP2010196359A JP2010196359A JP5618712B2 JP 5618712 B2 JP5618712 B2 JP 5618712B2 JP 2010196359 A JP2010196359 A JP 2010196359A JP 2010196359 A JP2010196359 A JP 2010196359A JP 5618712 B2 JP5618712 B2 JP 5618712B2
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JP
Japan
Prior art keywords
focus detection
focus
wobbling
lens
image
Prior art date
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Expired - Fee Related
Application number
JP2010196359A
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English (en)
Japanese (ja)
Other versions
JP2012053315A (ja
JP2012053315A5 (enExample
Inventor
山▲崎▼　亮
亮 山▲崎▼
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
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Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2010196359A priority Critical patent/JP5618712B2/ja
Priority to US13/218,974 priority patent/US8692928B2/en
Publication of JP2012053315A publication Critical patent/JP2012053315A/ja
Publication of JP2012053315A5 publication Critical patent/JP2012053315A5/ja
Application granted granted Critical
Publication of JP5618712B2 publication Critical patent/JP5618712B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
    • G03B3/10—Power-operated focusing
    • 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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/32—Means for focusing
    • G03B13/34—Power focusing
    • G03B13/36—Autofocus systems
    • 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
    • H04N23/672—Focus control based on electronic image sensor signals based on the phase difference signals
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Optics & Photonics (AREA)
  • Studio Devices (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
JP2010196359A 2010-09-02 2010-09-02 自動焦点調節装置および撮像装置 Expired - Fee Related JP5618712B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2010196359A JP5618712B2 (ja) 2010-09-02 2010-09-02 自動焦点調節装置および撮像装置
US13/218,974 US8692928B2 (en) 2010-09-02 2011-08-26 Autofocus apparatus and image-pickup apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010196359A JP5618712B2 (ja) 2010-09-02 2010-09-02 自動焦点調節装置および撮像装置

Publications (3)

Publication Number Publication Date
JP2012053315A JP2012053315A (ja) 2012-03-15
JP2012053315A5 JP2012053315A5 (enExample) 2013-10-10
JP5618712B2 true JP5618712B2 (ja) 2014-11-05

Family

ID=45770470

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010196359A Expired - Fee Related JP5618712B2 (ja) 2010-09-02 2010-09-02 自動焦点調節装置および撮像装置

Country Status (2)

Country Link
US (1) US8692928B2 (enExample)
JP (1) JP5618712B2 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015111170A (ja) * 2012-03-21 2015-06-18 パナソニック株式会社 焦点制御装置、カメラシステム、カメラ本体、交換レンズユニットおよび撮像装置
WO2013171840A1 (ja) * 2012-05-15 2013-11-21 キヤノン株式会社 撮像装置及び撮像装置の制御方法
JP6188290B2 (ja) * 2012-08-03 2017-08-30 キヤノン株式会社 測距装置、撮像装置、ピント評価方法、プログラム及び記憶媒体
ES2547022T3 (es) * 2012-08-24 2015-09-30 Sick Ag Cámara y procedimiento para el registro de imágenes nitidas
JP5616934B2 (ja) 2012-09-14 2014-10-29 オリンパスイメージング株式会社 焦点調節装置、カメラシステム及び焦点調節方法
JP2014056221A (ja) * 2012-09-14 2014-03-27 Sony Corp フォーカス制御装置、フォーカス制御方法および撮像装置
WO2015016085A1 (ja) 2013-08-01 2015-02-05 富士フイルム株式会社 撮影方法及び装置
KR102125561B1 (ko) * 2013-12-03 2020-06-22 삼성전자주식회사 촬영 장치 및 이의 제어 방법
JP6152805B2 (ja) * 2014-01-30 2017-06-28 ソニー株式会社 撮像装置および制御方法、並びにプログラム
US10687005B2 (en) 2017-12-13 2020-06-16 Analog Devices Global Unlimited Company Analog-to-digital converters for phase-detection autofocus image sensors
JP6914988B2 (ja) * 2019-04-26 2021-08-04 キヤノン株式会社 撮像装置及びその制御方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3962616B2 (ja) * 2001-04-24 2007-08-22 キヤノン株式会社 光学機器
JP4532865B2 (ja) * 2003-09-09 2010-08-25 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
JP2006251065A (ja) 2005-03-08 2006-09-21 Canon Inc ハイブリッドａｆカメラ
JP4931226B2 (ja) 2006-05-02 2012-05-16 キヤノン株式会社 焦点検出装置及び光学機器
JP4795155B2 (ja) * 2006-07-28 2011-10-19 キヤノン株式会社 光学装置、撮像装置及びその制御方法
JP2008051871A (ja) * 2006-08-22 2008-03-06 Nikon Corp 自動焦点調節装置
JP5247044B2 (ja) * 2007-02-16 2013-07-24 キヤノン株式会社 撮像装置
JP5028154B2 (ja) 2007-06-20 2012-09-19 キヤノン株式会社 撮像装置及びその制御方法
JP4801013B2 (ja) 2007-07-02 2011-10-26 富士フイルム株式会社 撮影装置
JP2009128613A (ja) * 2007-11-22 2009-06-11 Olympus Imaging Corp カメラ及びカメラの自動焦点調節装置
JP5100400B2 (ja) * 2008-01-08 2012-12-19 キヤノン株式会社 焦点調節装置、それを用いた光学機器
JP2010139734A (ja) * 2008-12-11 2010-06-24 Canon Inc 撮影装置
JP5328384B2 (ja) * 2009-01-14 2013-10-30 キヤノン株式会社 レンズ制御装置、光学機器及びレンズ制御方法

Also Published As

Publication number Publication date
US20120057069A1 (en) 2012-03-08
JP2012053315A (ja) 2012-03-15
US8692928B2 (en) 2014-04-08

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