JP4892831B2 - カメラ装置、及びレンズ制御方法 - Google Patents

カメラ装置、及びレンズ制御方法 Download PDF

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Publication number
JP4892831B2
JP4892831B2 JP2004358421A JP2004358421A JP4892831B2 JP 4892831 B2 JP4892831 B2 JP 4892831B2 JP 2004358421 A JP2004358421 A JP 2004358421A JP 2004358421 A JP2004358421 A JP 2004358421A JP 4892831 B2 JP4892831 B2 JP 4892831B2
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JP
Japan
Prior art keywords
zoom
lens
focus
drive
speed
Prior art date
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
Application number
JP2004358421A
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English (en)
Japanese (ja)
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JP2006163279A5 (enExample
JP2006163279A (ja
Inventor
大介 小甲
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.)
Casio Computer Co Ltd
Original Assignee
Casio Computer Co Ltd
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 Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Priority to JP2004358421A priority Critical patent/JP4892831B2/ja
Priority to US11/294,697 priority patent/US7474844B2/en
Publication of JP2006163279A publication Critical patent/JP2006163279A/ja
Publication of JP2006163279A5 publication Critical patent/JP2006163279A5/ja
Application granted granted Critical
Publication of JP4892831B2 publication Critical patent/JP4892831B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • 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
    • H04N23/67—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
    • H04N23/69—Control of means for changing angle of the field of view, e.g. optical zoom objectives or electronic zooming

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Studio Devices (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
JP2004358421A 2004-12-10 2004-12-10 カメラ装置、及びレンズ制御方法 Expired - Fee Related JP4892831B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2004358421A JP4892831B2 (ja) 2004-12-10 2004-12-10 カメラ装置、及びレンズ制御方法
US11/294,697 US7474844B2 (en) 2004-12-10 2005-12-05 Camera equipment with movable lenses and method of controlling lens driving operation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004358421A JP4892831B2 (ja) 2004-12-10 2004-12-10 カメラ装置、及びレンズ制御方法

Publications (3)

Publication Number Publication Date
JP2006163279A JP2006163279A (ja) 2006-06-22
JP2006163279A5 JP2006163279A5 (enExample) 2007-07-26
JP4892831B2 true JP4892831B2 (ja) 2012-03-07

Family

ID=36584010

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004358421A Expired - Fee Related JP4892831B2 (ja) 2004-12-10 2004-12-10 カメラ装置、及びレンズ制御方法

Country Status (2)

Country Link
US (1) US7474844B2 (enExample)
JP (1) JP4892831B2 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010243843A (ja) * 2009-04-07 2010-10-28 Fujifilm Corp オートフォーカスシステム
JP2014044223A (ja) * 2010-12-28 2014-03-13 Panasonic Corp レンズ鏡筒、撮像装置およびカメラ
JP5750694B2 (ja) * 2011-03-25 2015-07-22 オリンパス株式会社 交換レンズ
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
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
KR101932546B1 (ko) * 2014-09-30 2018-12-27 한화테크윈 주식회사 Af 카메라에 있어서, 최적의 주밍 속도를 찾는 장치 및 방법
WO2018100885A1 (ja) * 2016-12-01 2018-06-07 ソニー株式会社 医療用観察装置、及び制御方法
CN110225235B (zh) * 2018-03-01 2021-03-09 浙江宇视科技有限公司 变倍跟随方法及电动镜头
WO2020233816A1 (en) * 2019-05-23 2020-11-26 Huawei Technologies Co., Ltd. Optical zoom system and camera for a mobile device
TWI824234B (zh) * 2021-03-04 2023-12-01 圓展科技股份有限公司 動態調整光學鏡頭最大設定倍率之系統及方法

Family Cites Families (7)

* 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
JP2586469B2 (ja) * 1987-02-02 1997-02-26 ミノルタ株式会社 自動焦点調節装置
JPS63195633A (ja) * 1987-02-10 1988-08-12 Minolta Camera Co Ltd カメラ
JP2925244B2 (ja) * 1990-05-28 1999-07-28 キヤノン株式会社 駆動制御装置
JPH0545564A (ja) * 1991-08-09 1993-02-23 Canon Inc レンズ装置
JP3507086B2 (ja) 1992-08-11 2004-03-15 キヤノン株式会社 カメラ
JP4766640B2 (ja) * 2001-08-10 2011-09-07 キヤノン株式会社 撮像装置及びそのレンズ制御方法、並びにそのプログラム

Also Published As

Publication number Publication date
US20060127076A1 (en) 2006-06-15
US7474844B2 (en) 2009-01-06
JP2006163279A (ja) 2006-06-22

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