ATE409323T1 - Autofokus system - Google Patents

Autofokus system

Info

Publication number
ATE409323T1
ATE409323T1 AT05007446T AT05007446T ATE409323T1 AT E409323 T1 ATE409323 T1 AT E409323T1 AT 05007446 T AT05007446 T AT 05007446T AT 05007446 T AT05007446 T AT 05007446T AT E409323 T1 ATE409323 T1 AT E409323T1
Authority
AT
Austria
Prior art keywords
switch
mode
autofocus system
pressed
momentary
Prior art date
Application number
AT05007446T
Other languages
English (en)
Inventor
Tadashi Sasaki
Masayuki Miyazaki
Masao Wada
Tomohisa Koizumi
Original Assignee
Fujinon Corp
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 Fujinon Corp filed Critical Fujinon Corp
Application granted granted Critical
Publication of ATE409323T1 publication Critical patent/ATE409323T1/de

Links

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
    • 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
    • G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals
    • G02B7/365—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals by analysis of the spatial frequency components of the image
    • 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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Automatic Focus Adjustment (AREA)
  • Studio Devices (AREA)
  • Focusing (AREA)
  • Eye Examination Apparatus (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Optical Communication System (AREA)
AT05007446T 2004-04-07 2005-04-05 Autofokus system ATE409323T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004113489A JP4444718B2 (ja) 2004-04-07 2004-04-07 オートフォーカスシステム

Publications (1)

Publication Number Publication Date
ATE409323T1 true ATE409323T1 (de) 2008-10-15

Family

ID=34909513

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05007446T ATE409323T1 (de) 2004-04-07 2005-04-05 Autofokus system

Country Status (5)

Country Link
US (1) US7330647B2 (de)
EP (1) EP1584961B1 (de)
JP (1) JP4444718B2 (de)
AT (1) ATE409323T1 (de)
DE (1) DE602005009886D1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4845563B2 (ja) * 2006-03-31 2011-12-28 キヤノン株式会社 オートフォーカスレンズ装置
JP2008032992A (ja) * 2006-07-28 2008-02-14 Canon Inc 駆動装置及び制限装置及びこれらの制御方法
JP5007613B2 (ja) * 2007-07-04 2012-08-22 株式会社ニコン オートフォーカス装置及び撮影装置
JP2012137600A (ja) * 2010-12-27 2012-07-19 Sony Corp 撮像システム、撮像装置、およびプログラム
JP5403109B2 (ja) * 2012-05-30 2014-01-29 株式会社ニコン 焦点調節装置及び撮影装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2512007B2 (ja) * 1987-09-18 1996-07-03 キヤノン株式会社 自動焦点自動露出カメラ
JPH0545569A (ja) * 1991-08-14 1993-02-23 Canon Inc レンズ制御装置
US5872661A (en) * 1996-02-28 1999-02-16 Asahi Kogaku Kogyo Kabushiki Kaisha Automatic focusing apparatus for a telephotographic system
JP2002372661A (ja) * 2001-06-15 2002-12-26 Fuji Photo Optical Co Ltd 撮影レンズ
JP2003337278A (ja) * 2002-03-15 2003-11-28 Fuji Photo Optical Co Ltd レンズシステム
JP2003279832A (ja) 2002-03-25 2003-10-02 Fuji Photo Optical Co Ltd レンズシステム

Also Published As

Publication number Publication date
US7330647B2 (en) 2008-02-12
DE602005009886D1 (de) 2008-11-06
EP1584961A1 (de) 2005-10-12
JP4444718B2 (ja) 2010-03-31
EP1584961B1 (de) 2008-09-24
JP2005300687A (ja) 2005-10-27
US20050238343A1 (en) 2005-10-27

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties