JP4181886B2 - ズームレンズの制御装置および撮影システム - Google Patents

ズームレンズの制御装置および撮影システム Download PDF

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Publication number
JP4181886B2
JP4181886B2 JP2003025922A JP2003025922A JP4181886B2 JP 4181886 B2 JP4181886 B2 JP 4181886B2 JP 2003025922 A JP2003025922 A JP 2003025922A JP 2003025922 A JP2003025922 A JP 2003025922A JP 4181886 B2 JP4181886 B2 JP 4181886B2
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JP
Japan
Prior art keywords
focus
lens unit
zoom
lens
unit
Prior art date
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Expired - Fee Related
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JP2003025922A
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English (en)
Japanese (ja)
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JP2004177919A5 (enExample
JP2004177919A (ja
Inventor
真一郎 矢北
泰行 富田
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
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Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2003025922A priority Critical patent/JP4181886B2/ja
Priority to EP03256104.5A priority patent/EP1403673B1/en
Priority to US10/676,282 priority patent/US7099089B2/en
Publication of JP2004177919A publication Critical patent/JP2004177919A/ja
Publication of JP2004177919A5 publication Critical patent/JP2004177919A5/ja
Application granted granted Critical
Publication of JP4181886B2 publication Critical patent/JP4181886B2/ja
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
    • G02B7/102—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens controlled by a microcomputer
    • 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
    • H04N23/69—Control of means for changing angle of the field of view, e.g. optical zoom objectives or electronic zooming
    • 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
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • Lens Barrels (AREA)
  • Automatic Focus Adjustment (AREA)
JP2003025922A 2002-09-30 2003-02-03 ズームレンズの制御装置および撮影システム Expired - Fee Related JP4181886B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2003025922A JP4181886B2 (ja) 2002-09-30 2003-02-03 ズームレンズの制御装置および撮影システム
EP03256104.5A EP1403673B1 (en) 2002-09-30 2003-09-29 Zoom lens control apparatus, zoom lens system, and image-taking system
US10/676,282 US7099089B2 (en) 2002-09-30 2003-09-30 Zoom lens control apparatus, zoom lens system, and image-taking system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002287697 2002-09-30
JP2003025922A JP4181886B2 (ja) 2002-09-30 2003-02-03 ズームレンズの制御装置および撮影システム

Publications (3)

Publication Number Publication Date
JP2004177919A JP2004177919A (ja) 2004-06-24
JP2004177919A5 JP2004177919A5 (enExample) 2006-03-30
JP4181886B2 true JP4181886B2 (ja) 2008-11-19

Family

ID=31980664

Family Applications (1)

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JP2003025922A Expired - Fee Related JP4181886B2 (ja) 2002-09-30 2003-02-03 ズームレンズの制御装置および撮影システム

Country Status (3)

Country Link
US (1) US7099089B2 (enExample)
EP (1) EP1403673B1 (enExample)
JP (1) JP4181886B2 (enExample)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4579572B2 (ja) * 2004-04-28 2010-11-10 キヤノン株式会社 光学機器の駆動制御装置
JP4868434B2 (ja) * 2004-05-14 2012-02-01 キヤノン株式会社 レンズ制御装置、光学機器およびレンズ制御方法
JP2005326771A (ja) * 2004-05-17 2005-11-24 Canon Inc レンズ装置の駆動制御装置
JP4708737B2 (ja) * 2004-06-04 2011-06-22 キヤノン株式会社 レンズ装置
US7009781B2 (en) * 2004-06-22 2006-03-07 Arc Design, Inc. Zoom lens mechanism partly foldable and retractable
JP2006011213A (ja) * 2004-06-29 2006-01-12 Konica Minolta Opto Inc レンズユニット、レンズユニットの製造方法及び撮像装置の製造方法
JP2006064842A (ja) * 2004-08-25 2006-03-09 Canon Inc ズームレンズシステム及びそれを用いた撮影装置
JP4681992B2 (ja) * 2005-09-12 2011-05-11 キヤノン株式会社 撮像装置、撮像方法、プログラム、及び記憶媒体
JP4810292B2 (ja) * 2006-04-25 2011-11-09 キヤノン株式会社 撮像装置
JP4659700B2 (ja) * 2006-07-27 2011-03-30 キヤノン株式会社 撮像装置及びその制御方法
WO2010029686A1 (ja) * 2008-09-10 2010-03-18 パナソニック株式会社 レンズ鏡筒および撮像装置
US20100079602A1 (en) * 2008-09-26 2010-04-01 Silverbrook Research Pty Ltd. Method and apparatus for alignment of an optical assembly with an image sensor
JP5398337B2 (ja) * 2009-04-28 2014-01-29 キヤノン株式会社 撮像装置およびその制御方法、交換レンズ
JP5330942B2 (ja) * 2009-09-17 2013-10-30 富士フイルム株式会社 レンズ装置
JP5688543B2 (ja) * 2010-07-20 2015-03-25 パナソニックＩｐマネジメント株式会社 立体画像撮像装置および立体画像撮像装置におけるレンズ駆動方法
US8857323B1 (en) * 2011-01-10 2014-10-14 Abdulkareem F. Alkadban Protective device for preventing flare-ups from contacting food during cooking
JP5789895B2 (ja) * 2011-08-05 2015-10-07 株式会社タムロン 位置検出ユニット、及びそれを備えたレンズユニット、カメラ、及びレンズユニットの製造方法、位置検出方法
JP6071669B2 (ja) * 2013-03-15 2017-02-01 キヤノン株式会社 レンズ装置およびカメラシステム
JP6366295B2 (ja) * 2014-02-21 2018-08-01 キヤノン株式会社 光学機器および制御方法
CN108141522A (zh) * 2015-11-30 2018-06-08 深圳市大疆创新科技有限公司 成像系统和方法
JP7483381B2 (ja) * 2020-01-14 2024-05-15 キヤノン株式会社 レンズ装置および撮像装置
CN111405193B (zh) * 2020-04-30 2021-02-09 重庆紫光华山智安科技有限公司 聚焦方法、装置和摄像设备

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0654366B2 (ja) * 1985-05-20 1994-07-20 ウエスト電気株式会社 ズ−ミング方法およびズ−ミング装置
JP2505192B2 (ja) * 1987-03-10 1996-06-05 オリンパス光学工業株式会社 ズ−ム機構
US4998124A (en) * 1987-11-26 1991-03-05 Minolta Camera Kabushiki Kaisha Autofocus camera including automatically controlled focus adjustment
US4920420A (en) * 1988-11-10 1990-04-24 Hitachi, Ltd. Automatic focusing system
US5144491A (en) * 1989-04-24 1992-09-01 Canon Kabushiki Kaisha Apparatus with lens control device
JPH0442108A (ja) * 1990-06-07 1992-02-12 Mitsubishi Electric Corp 焦点調節装置
JP3116370B2 (ja) * 1990-11-06 2000-12-11 ソニー株式会社 撮像装置
JP2901116B2 (ja) * 1992-11-30 1999-06-07 株式会社日立製作所 オートフォーカス装置の制御方法
JP3348319B2 (ja) * 1993-11-26 2002-11-20 ソニー株式会社 インナーフォーカスレンズを用いたビデオカメラのフランジバック調整方法
KR950023062A (ko) * 1993-12-21 1995-07-28 이헌조 비디오 카메라의 플랜지백 조정방법
JP3651996B2 (ja) * 1996-01-12 2005-05-25 キヤノン株式会社 フランジバック調整方法及びそれを用いた撮影レンズ
JPH116951A (ja) * 1997-06-16 1999-01-12 Canon Inc レンズ装置または光学機器
JPH11127376A (ja) 1997-10-20 1999-05-11 Fuji Photo Optical Co Ltd テレビカメラのレンズ装置
JP2000121911A (ja) * 1998-10-09 2000-04-28 Sony Corp フランジバック調整方法および撮像装置

Also Published As

Publication number Publication date
EP1403673B1 (en) 2013-06-19
US20040061949A1 (en) 2004-04-01
EP1403673A3 (en) 2004-05-12
JP2004177919A (ja) 2004-06-24
EP1403673A2 (en) 2004-03-31
US7099089B2 (en) 2006-08-29

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