JP3797543B2 - 自動焦点調節装置 - Google Patents

自動焦点調節装置 Download PDF

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Publication number
JP3797543B2
JP3797543B2 JP2001329498A JP2001329498A JP3797543B2 JP 3797543 B2 JP3797543 B2 JP 3797543B2 JP 2001329498 A JP2001329498 A JP 2001329498A JP 2001329498 A JP2001329498 A JP 2001329498A JP 3797543 B2 JP3797543 B2 JP 3797543B2
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Japan
Prior art keywords
focus
focus position
distance
range
contrast
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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
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JP2001329498A
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English (en)
Japanese (ja)
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JP2003131121A5 (enExample
JP2003131121A (ja
Inventor
彰久 山崎
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Fujifilm Holdings Corp
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Fuji Photo Film Co Ltd
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Publication date
Application filed by Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Priority to JP2001329498A priority Critical patent/JP3797543B2/ja
Priority to US10/278,893 priority patent/US7499096B2/en
Publication of JP2003131121A publication Critical patent/JP2003131121A/ja
Publication of JP2003131121A5 publication Critical patent/JP2003131121A5/ja
Priority to US11/325,357 priority patent/US7697058B2/en
Priority to US11/325,358 priority patent/US7782392B2/en
Application granted granted Critical
Publication of JP3797543B2 publication Critical patent/JP3797543B2/ja
Anticipated expiration legal-status Critical
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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
    • H04N23/65—Control of camera operation in relation to power supply

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Automatic Focus Adjustment (AREA)
  • Studio Devices (AREA)
  • Focusing (AREA)
  • Exposure Control For Cameras (AREA)
  • Structure And Mechanism Of Cameras (AREA)
JP2001329498A 2001-10-26 2001-10-26 自動焦点調節装置 Expired - Fee Related JP3797543B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2001329498A JP3797543B2 (ja) 2001-10-26 2001-10-26 自動焦点調節装置
US10/278,893 US7499096B2 (en) 2001-10-26 2002-10-24 Device and method for autofocus adjustment
US11/325,357 US7697058B2 (en) 2001-10-26 2006-01-05 Device and method for autofocus adjustment by combining a distance-measuring sensor and contrast autofocus
US11/325,358 US7782392B2 (en) 2001-10-26 2006-01-05 Device and method for autofocus adjustment by combining a distance-measuring sensor and contrast autofocus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001329498A JP3797543B2 (ja) 2001-10-26 2001-10-26 自動焦点調節装置

Related Child Applications (3)

Application Number Title Priority Date Filing Date
JP2005317481A Division JP4296511B2 (ja) 2005-10-31 2005-10-31 自動焦点調節装置及び方法
JP2005317482A Division JP2006065355A (ja) 2005-10-31 2005-10-31 自動焦点調節装置及び方法
JP2005317480A Division JP2006072384A (ja) 2005-10-31 2005-10-31 自動焦点調節装置及び方法

Publications (3)

Publication Number Publication Date
JP2003131121A JP2003131121A (ja) 2003-05-08
JP2003131121A5 JP2003131121A5 (enExample) 2005-02-03
JP3797543B2 true JP3797543B2 (ja) 2006-07-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001329498A Expired - Fee Related JP3797543B2 (ja) 2001-10-26 2001-10-26 自動焦点調節装置

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US (3) US7499096B2 (enExample)
JP (1) JP3797543B2 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8737831B2 (en) 2010-01-07 2014-05-27 Samsung Electronics Co., Ltd. Digital photographing apparatus and method that apply high-speed multi-autofocusing (AF)
TWI794928B (zh) * 2020-08-18 2023-03-01 美商賽格股份有限公司 可變變焦成像裝置以及光學成像系統

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JP4775930B2 (ja) * 2004-02-20 2011-09-21 キヤノン株式会社 レンズ制御装置、撮像装置およびレンズ制御方法
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JP2007010908A (ja) * 2005-06-29 2007-01-18 Canon Inc 焦点調節方法及び装置
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JP4535006B2 (ja) * 2006-03-08 2010-09-01 ソニー株式会社 テレビジョン装置
JP4861057B2 (ja) * 2006-05-29 2012-01-25 キヤノン株式会社 撮像装置およびその制御方法
JP2008020710A (ja) * 2006-07-13 2008-01-31 Fujifilm Corp 撮影装置、および焦点調整方法
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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
US7830445B2 (en) * 2006-07-25 2010-11-09 Canon Kabushiki Kaisha Image-pickup apparatus and focus control method for the same
JP5094068B2 (ja) * 2006-07-25 2012-12-12 キヤノン株式会社 撮像装置及びフォーカス制御方法
JP2008058399A (ja) * 2006-08-29 2008-03-13 Canon Inc 焦点調節装置、撮像装置、および制御方法
JP4270349B2 (ja) * 2006-10-27 2009-05-27 オリンパス株式会社 焦点検出素子
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JP2008249966A (ja) * 2007-03-30 2008-10-16 Nikon Corp オートフォーカス装置及びカメラ
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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
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JP5973708B2 (ja) * 2011-10-21 2016-08-23 オリンパス株式会社 撮像装置及び内視鏡装置
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US8737831B2 (en) 2010-01-07 2014-05-27 Samsung Electronics Co., Ltd. Digital photographing apparatus and method that apply high-speed multi-autofocusing (AF)
TWI794928B (zh) * 2020-08-18 2023-03-01 美商賽格股份有限公司 可變變焦成像裝置以及光學成像系統
US11841548B2 (en) 2020-08-18 2023-12-12 Zygo Corporation Variable-zoom imaging apparatus

Also Published As

Publication number Publication date
US20060109369A1 (en) 2006-05-25
US7499096B2 (en) 2009-03-03
US7697058B2 (en) 2010-04-13
US20030081137A1 (en) 2003-05-01
US7782392B2 (en) 2010-08-24
US20060109370A1 (en) 2006-05-25
JP2003131121A (ja) 2003-05-08

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