JP4764033B2 - レンズ駆動装置及び光学機器 - Google Patents

レンズ駆動装置及び光学機器 Download PDF

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Publication number
JP4764033B2
JP4764033B2 JP2005068711A JP2005068711A JP4764033B2 JP 4764033 B2 JP4764033 B2 JP 4764033B2 JP 2005068711 A JP2005068711 A JP 2005068711A JP 2005068711 A JP2005068711 A JP 2005068711A JP 4764033 B2 JP4764033 B2 JP 4764033B2
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JP
Japan
Prior art keywords
lens
lens group
evaluation value
focusing
focus
Prior art date
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Expired - Fee Related
Application number
JP2005068711A
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English (en)
Japanese (ja)
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JP2006251449A5 (https=
JP2006251449A (ja
Inventor
晋一 増田
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 JP2005068711A priority Critical patent/JP4764033B2/ja
Priority to US11/372,999 priority patent/US8031257B2/en
Publication of JP2006251449A publication Critical patent/JP2006251449A/ja
Publication of JP2006251449A5 publication Critical patent/JP2006251449A5/ja
Application granted granted Critical
Publication of JP4764033B2 publication Critical patent/JP4764033B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • 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
    • 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
    • G03B3/02—Focusing arrangements of general interest for cameras, projectors or printers moving lens along baseboard
    • 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
    • G02B7/282—Autofocusing of zoom lenses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lens Barrels (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
  • Studio Devices (AREA)
JP2005068711A 2005-03-11 2005-03-11 レンズ駆動装置及び光学機器 Expired - Fee Related JP4764033B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2005068711A JP4764033B2 (ja) 2005-03-11 2005-03-11 レンズ駆動装置及び光学機器
US11/372,999 US8031257B2 (en) 2005-03-11 2006-03-09 Zoom lens control apparatus and optical instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005068711A JP4764033B2 (ja) 2005-03-11 2005-03-11 レンズ駆動装置及び光学機器

Publications (3)

Publication Number Publication Date
JP2006251449A JP2006251449A (ja) 2006-09-21
JP2006251449A5 JP2006251449A5 (https=) 2008-05-08
JP4764033B2 true JP4764033B2 (ja) 2011-08-31

Family

ID=36970398

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005068711A Expired - Fee Related JP4764033B2 (ja) 2005-03-11 2005-03-11 レンズ駆動装置及び光学機器

Country Status (2)

Country Link
US (1) US8031257B2 (https=)
JP (1) JP4764033B2 (https=)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4241742B2 (ja) * 2006-01-31 2009-03-18 パナソニック株式会社 自動追尾装置及び自動追尾方法
JP4820460B2 (ja) * 2009-10-22 2011-11-24 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
JP5875885B2 (ja) * 2012-02-07 2016-03-02 オリンパス株式会社 撮影装置
TWI459113B (zh) * 2012-03-19 2014-11-01 Altek Corp 攝像裝置及其鏡頭致動裝置及鏡頭致動方法
CN103323928B (zh) * 2012-03-19 2015-09-09 华晶科技股份有限公司 摄像装置及其镜头致动装置及镜头致动方法
JP6008647B2 (ja) * 2012-08-06 2016-10-19 キヤノン株式会社 光学機器
JP6255675B2 (ja) * 2013-02-28 2018-01-10 株式会社ニコン 交換レンズおよびカメラシステム
KR102170687B1 (ko) * 2014-05-09 2020-10-27 한화테크윈 주식회사 광학 기기 및 이를 이용한 플랜지 백 조정 방법
CN111133354B (zh) * 2017-09-29 2022-05-10 株式会社尼康 透镜镜筒及摄像装置
CN111201463B (zh) * 2017-09-29 2021-10-08 株式会社尼康 透镜镜筒及摄像装置
JP7014255B2 (ja) * 2020-04-28 2022-02-01 株式会社ニコン 焦点検出装置および撮像装置
EP4348326A4 (en) 2021-05-26 2025-07-30 Acuvi Ab OPTICAL ZOOM AND FOCUS CONTROL SYSTEM FOR MINIATURE CAMERA MODULES
JP2023129144A (ja) * 2022-03-04 2023-09-14 キヤノン株式会社 制御装置、レンズ装置、撮像装置、制御方法、及びプログラム

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01106006A (ja) 1987-10-20 1989-04-24 Fuji Photo Film Co Ltd ズームレンズ
JP2505835B2 (ja) 1987-12-15 1996-06-12 富士写真光機株式会社 テレビカメラの焦点調整方法及び装置
US5231441A (en) * 1988-12-23 1993-07-27 Ricoh Company, Ltd. Focusing device for driving focusing lens group according to a position of zoom lens group
US5027147A (en) * 1989-03-02 1991-06-25 Canon Kabushiki Kaisha Optical equipment with lens position control utilizing zoom and focusing motors for focusing
JPH0786584B2 (ja) * 1989-03-02 1995-09-20 キヤノン株式会社 レンズ位置制御装置及び光学機器
JP2971892B2 (ja) * 1989-07-18 1999-11-08 株式会社フローベル オートフォーカス方式
JP4156777B2 (ja) * 2000-05-23 2008-09-24 オリンパス株式会社 ズームレンズ
JP2002350714A (ja) 2001-05-25 2002-12-04 Canon Inc 自動焦点検出装置を有するカメラシステム
JP4448277B2 (ja) * 2002-10-18 2010-04-07 Ｈｏｙａ株式会社 内視鏡のオートフォーカス方法

Also Published As

Publication number Publication date
JP2006251449A (ja) 2006-09-21
US8031257B2 (en) 2011-10-04
US20060203119A1 (en) 2006-09-14

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