DE69127112T2 - Automatisches Fokussierungsgerät zur automatischen Fokusanpassung in Abhängigkeit von Videosignalen - Google Patents

Automatisches Fokussierungsgerät zur automatischen Fokusanpassung in Abhängigkeit von Videosignalen

Info

Publication number
DE69127112T2
DE69127112T2 DE69127112T DE69127112T DE69127112T2 DE 69127112 T2 DE69127112 T2 DE 69127112T2 DE 69127112 T DE69127112 T DE 69127112T DE 69127112 T DE69127112 T DE 69127112T DE 69127112 T2 DE69127112 T2 DE 69127112T2
Authority
DE
Germany
Prior art keywords
automatic
video signals
focus adjustment
focusing device
adjustment depending
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
DE69127112T
Other languages
English (en)
Other versions
DE69127112D1 (de
Inventor
Toshinobu Haruki
Kenichi Kikuchi
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric 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
Priority claimed from JP2047916A external-priority patent/JP2680715B2/ja
Priority claimed from JP2067521A external-priority patent/JP2517432B2/ja
Application filed by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Publication of DE69127112D1 publication Critical patent/DE69127112D1/de
Application granted granted Critical
Publication of DE69127112T2 publication Critical patent/DE69127112T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G02B7/09—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
    • 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
    • G03B3/10—Power-operated focusing

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Automatic Focus Adjustment (AREA)
DE69127112T 1990-02-28 1991-02-26 Automatisches Fokussierungsgerät zur automatischen Fokusanpassung in Abhängigkeit von Videosignalen Expired - Fee Related DE69127112T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2047916A JP2680715B2 (ja) 1990-02-28 1990-02-28 オートフォーカスカメラ
JP2067521A JP2517432B2 (ja) 1990-03-16 1990-03-16 オ―トフォ―カス装置

Publications (2)

Publication Number Publication Date
DE69127112D1 DE69127112D1 (de) 1997-09-11
DE69127112T2 true DE69127112T2 (de) 1998-03-05

Family

ID=26388123

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69127112T Expired - Fee Related DE69127112T2 (de) 1990-02-28 1991-02-26 Automatisches Fokussierungsgerät zur automatischen Fokusanpassung in Abhängigkeit von Videosignalen

Country Status (4)

Country Link
US (2) US5319462A (de)
EP (1) EP0444600B1 (de)
KR (1) KR100221518B1 (de)
DE (1) DE69127112T2 (de)

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US6786420B1 (en) 1997-07-15 2004-09-07 Silverbrook Research Pty. Ltd. Data distribution mechanism in the form of ink dots on cards
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US6657668B1 (en) * 1997-11-19 2003-12-02 Ricoh Company, Ltd. Method, system, and computer readable medium for controlling automatic focusing of a digital camera
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KR101022476B1 (ko) * 2004-08-06 2011-03-15 삼성전자주식회사 디지털 촬영 장치에서의 자동 포커싱 방법, 및 이 방법을채용한 디지털 촬영 장치
JP4419085B2 (ja) * 2005-04-15 2010-02-24 ソニー株式会社 制御装置および方法、並びにプログラム
TWI285500B (en) * 2005-11-11 2007-08-11 Primax Electronics Ltd Auto focus method for digital camera
US8125560B1 (en) 2007-08-13 2012-02-28 Ambarella, Inc. System for topology based automatic focus
KR101442615B1 (ko) 2008-07-31 2014-09-23 삼성전자주식회사 포커스 렌즈의 제어 방법, 상기 방법에 따라 작동하는포커스 렌즈의 제어 장치, 및 상기 방법을 기록한 기록매체
KR101593995B1 (ko) * 2009-09-22 2016-02-15 삼성전자주식회사 자동 초점 조절 방법, 상기 방법을 기록한 기록 매체, 및 상기 방법을 실행하는 자동 초점 조절 장치
JP6290651B2 (ja) * 2014-02-27 2018-03-07 株式会社キーエンス 画像測定器
JP6278741B2 (ja) * 2014-02-27 2018-02-14 株式会社キーエンス 画像測定器
US9918004B2 (en) * 2015-02-06 2018-03-13 Panasonic Intellectual Property Management Co., Ltd. Camera body capable of driving an image sensor along an optical axis in response to a change in an optical state of an object image

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JP2974339B2 (ja) * 1989-09-20 1999-11-10 キヤノン株式会社 自動焦点調節装置
US5223921A (en) * 1990-04-27 1993-06-29 Sanyo Electric Co., Ltd. White balance adjusting apparatus for automatically adjusting white balance on the basis of a color information signal obtained from an image-sensing device
JP3204664B2 (ja) * 1990-09-17 2001-09-04 オリンパス光学工業株式会社 モータの駆動制御装置
JP2728317B2 (ja) * 1991-02-07 1998-03-18 キヤノン株式会社 レンズ位置調整装置を有する光学機器

Also Published As

Publication number Publication date
EP0444600A2 (de) 1991-09-04
KR100221518B1 (ko) 1999-09-15
DE69127112D1 (de) 1997-09-11
EP0444600B1 (de) 1997-08-06
EP0444600A3 (en) 1992-07-29
KR920000194A (ko) 1992-01-10
US5361095A (en) 1994-11-01
US5319462A (en) 1994-06-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee