JP4649715B2 - 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
JP4649715B2
JP4649715B2 JP2000263356A JP2000263356A JP4649715B2 JP 4649715 B2 JP4649715 B2 JP 4649715B2 JP 2000263356 A JP2000263356 A JP 2000263356A JP 2000263356 A JP2000263356 A JP 2000263356A JP 4649715 B2 JP4649715 B2 JP 4649715B2
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Japan
Prior art keywords
lens
evaluation value
focus
search
infinity
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Expired - Fee Related
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JP2000263356A
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English (en)
Japanese (ja)
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JP2002072074A (ja
JP2002072074A5 (enExample
Inventor
彰久 山崎
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Fujifilm Corp
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Fujifilm Corp
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Priority to JP2000263356A priority Critical patent/JP4649715B2/ja
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Publication of JP2002072074A5 publication Critical patent/JP2002072074A5/ja
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Publication of JP4649715B2 publication Critical patent/JP4649715B2/ja
Anticipated expiration legal-status Critical
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  • Focusing (AREA)
  • Lens Barrels (AREA)
  • Automatic Focus Adjustment (AREA)
  • Studio Devices (AREA)
  • Measurement Of Optical Distance (AREA)
JP2000263356A 2000-08-31 2000-08-31 自動焦点調節装置 Expired - Fee Related JP4649715B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000263356A JP4649715B2 (ja) 2000-08-31 2000-08-31 自動焦点調節装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000263356A JP4649715B2 (ja) 2000-08-31 2000-08-31 自動焦点調節装置

Publications (3)

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JP2002072074A JP2002072074A (ja) 2002-03-12
JP2002072074A5 JP2002072074A5 (enExample) 2007-10-11
JP4649715B2 true JP4649715B2 (ja) 2011-03-16

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Family Applications (1)

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JP2000263356A Expired - Fee Related JP4649715B2 (ja) 2000-08-31 2000-08-31 自動焦点調節装置

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JP (1) JP4649715B2 (enExample)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3848230B2 (ja) * 2002-09-12 2006-11-22 キヤノン株式会社 オートフォーカス装置、撮像装置、オートフォーカス方法、プログラムおよび記憶媒体
JP4649128B2 (ja) 2004-06-15 2011-03-09 キヤノン株式会社 自動焦点調整装置及び当該自動焦点装置を有する撮像装置
EP1679546B1 (en) * 2005-01-07 2014-12-24 Canon Kabushiki Kaisha Focus control method and focus control apparatus
JP4515972B2 (ja) * 2005-06-22 2010-08-04 富士フイルム株式会社 撮像レンズの合焦位置決定装置およびその方法
JP4578334B2 (ja) * 2005-06-22 2010-11-10 富士フイルム株式会社 撮像レンズの合焦位置決定装置およびその方法
JP4764774B2 (ja) 2006-05-31 2011-09-07 Ｈｏｙａ株式会社 焦点調節装置を備えたカメラ
US7773874B2 (en) * 2006-06-05 2010-08-10 Hoya Corporation Focus detection method and focus detection device
JP2007322978A (ja) 2006-06-05 2007-12-13 Pentax Corp 焦点検出方法および焦点検出装置
JP4262263B2 (ja) 2006-06-07 2009-05-13 キヤノン株式会社 撮像装置及びその制御方法
JP4827662B2 (ja) 2006-08-31 2011-11-30 Ｈｏｙａ株式会社 焦点調節装置を備えたカメラ
JP4960730B2 (ja) * 2007-03-09 2012-06-27 キヤノン株式会社 撮像装置及びその制御方法及びプログラム及び記憶媒体
JP2009003003A (ja) 2007-06-19 2009-01-08 Hoya Corp 自動焦点調節装置を備えたカメラ
JP2008236799A (ja) * 2008-06-17 2008-10-02 Canon Inc 撮像装置及びその制御方法
KR101594000B1 (ko) * 2009-12-02 2016-02-26 삼성전자주식회사 포커스 렌즈의 이동 방향을 결정하는 오토포커싱 방법, 상기 방법을 기록한 기록 매체, 오토포커싱 장치
KR101623832B1 (ko) 2010-01-07 2016-05-24 삼성전자주식회사 컨트라스트ａｆ로 다점 ａｆ를 적용하는 장치 및 방법
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
CN112534330B (zh) * 2019-06-27 2022-11-29 松下知识产权经营株式会社 摄像装置
CN113766213B (zh) * 2021-09-02 2024-06-18 信利光电股份有限公司 一种提高摄像模组af烧录参数检测效率的方法
CN114760415B (zh) * 2022-04-18 2024-02-02 上海千映智能科技有限公司 一种镜头调焦方法、系统、设备及介质
CN115379201A (zh) * 2022-08-16 2022-11-22 Oppo广东移动通信有限公司 测试方法和装置、电子设备和可读存储介质
CN119316708A (zh) * 2023-07-12 2025-01-14 北京小米移动软件有限公司 马达对焦标定方法、装置、电子设备及介质

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56132315A (en) * 1980-03-19 1981-10-16 Fuji Photo Film Co Ltd Automatic focusing method
JPH087318B2 (ja) * 1986-01-20 1996-01-29 キヤノン株式会社 自動焦点装置
JPH05241066A (ja) * 1992-02-26 1993-09-21 Olympus Optical Co Ltd 自動合焦装置
JPH0614245A (ja) * 1992-06-26 1994-01-21 Canon Inc ビデオカメラ
JPH06205265A (ja) * 1992-12-28 1994-07-22 Canon Inc 自動焦点検出装置
JP4077892B2 (ja) * 1996-07-30 2008-04-23 キヤノン株式会社 自動焦点調節方法及び装置
JPH10142488A (ja) * 1996-11-15 1998-05-29 Konica Corp 自動合焦装置
JPH1184228A (ja) * 1997-09-08 1999-03-26 Olympus Optical Co Ltd 自動焦点調節装置
JP4434345B2 (ja) * 1998-11-18 2010-03-17 富士フイルム株式会社 自動焦点調節装置および方法
JP2000171686A (ja) * 1998-12-07 2000-06-23 Ricoh Co Ltd 自動焦点制御装置および自動焦点制御方法

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JP2002072074A (ja) 2002-03-12

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