JP5610815B2 - フォーカス調整装置 - Google Patents

フォーカス調整装置 Download PDF

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Publication number
JP5610815B2
JP5610815B2 JP2010083773A JP2010083773A JP5610815B2 JP 5610815 B2 JP5610815 B2 JP 5610815B2 JP 2010083773 A JP2010083773 A JP 2010083773A JP 2010083773 A JP2010083773 A JP 2010083773A JP 5610815 B2 JP5610815 B2 JP 5610815B2
Authority
JP
Japan
Prior art keywords
focus
sensitivity
lens
amount
zoom
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
JP2010083773A
Other languages
English (en)
Japanese (ja)
Other versions
JP2011215383A (ja
JP2011215383A5 (enExample
Inventor
京 加藤
京 加藤
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 JP2010083773A priority Critical patent/JP5610815B2/ja
Priority to US13/077,308 priority patent/US8380059B2/en
Publication of JP2011215383A publication Critical patent/JP2011215383A/ja
Publication of JP2011215383A5 publication Critical patent/JP2011215383A5/ja
Application granted granted Critical
Publication of JP5610815B2 publication Critical patent/JP5610815B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • G02B7/08—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism
    • 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
    • H04N23/672—Focus control based on electronic image sensor signals based on the phase difference signals

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Studio Devices (AREA)
  • Lens Barrels (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
JP2010083773A 2010-03-31 2010-03-31 フォーカス調整装置 Expired - Fee Related JP5610815B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2010083773A JP5610815B2 (ja) 2010-03-31 2010-03-31 フォーカス調整装置
US13/077,308 US8380059B2 (en) 2010-03-31 2011-03-31 Focus adjusting apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010083773A JP5610815B2 (ja) 2010-03-31 2010-03-31 フォーカス調整装置

Publications (3)

Publication Number Publication Date
JP2011215383A JP2011215383A (ja) 2011-10-27
JP2011215383A5 JP2011215383A5 (enExample) 2013-05-09
JP5610815B2 true JP5610815B2 (ja) 2014-10-22

Family

ID=44709801

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010083773A Expired - Fee Related JP5610815B2 (ja) 2010-03-31 2010-03-31 フォーカス調整装置

Country Status (2)

Country Link
US (1) US8380059B2 (enExample)
JP (1) JP5610815B2 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5223017B1 (ja) * 2012-04-16 2013-06-26 株式会社日本ビデオシステム ビデオカメラリモコン
JP6095280B2 (ja) * 2012-05-30 2017-03-15 キヤノン株式会社 投射型表示装置およびその制御方法
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
JP2015031946A (ja) * 2013-08-07 2015-02-16 キヤノン株式会社 光学装置及び合焦方法
JP6506548B2 (ja) * 2014-12-19 2019-04-24 キヤノン株式会社 レンズ装置及びそれを有する撮像装置
JP6764309B2 (ja) * 2016-10-12 2020-09-30 キヤノン株式会社 制御装置およびそれを有する光学装置および撮像装置
JP7121568B2 (ja) * 2018-07-13 2022-08-18 キヤノン株式会社 焦点調節装置、撮像装置、焦点調節方法、及びプログラム
JP2022095252A (ja) * 2020-12-16 2022-06-28 キヤノン株式会社 操作装置、レンズ装置、および撮像装置
JP2023019696A (ja) * 2021-07-29 2023-02-09 キヤノン株式会社 操作装置、光学装置、および撮像装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3734869A (en) * 1972-03-17 1973-05-22 Ibm Rotary switch assembly with adjustable programming limit mechanism
JPH01284811A (ja) * 1988-05-12 1989-11-16 Canon Inc カメラシステム
JPH0336511A (ja) 1989-07-03 1991-02-18 Canon Inc パワーフォーカス装置
JP3429050B2 (ja) * 1994-03-28 2003-07-22 富士写真光機株式会社 テレビカメラのフォーカス調整装置
JP2004102113A (ja) * 2002-09-12 2004-04-02 Minolta Co Ltd 撮像装置
JP2004109690A (ja) * 2002-09-19 2004-04-08 Canon Inc カメラシステムおよびカメラ
JP4235474B2 (ja) * 2003-03-20 2009-03-11 キヤノン株式会社 撮像装置
JP2007079056A (ja) * 2005-09-13 2007-03-29 Canon Inc 自動合焦装置及び合焦方法

Also Published As

Publication number Publication date
JP2011215383A (ja) 2011-10-27
US8380059B2 (en) 2013-02-19
US20110243540A1 (en) 2011-10-06

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