DE69823082T2 - Autofokuskamera - Google Patents

Autofokuskamera Download PDF

Info

Publication number
DE69823082T2
DE69823082T2 DE69823082T DE69823082T DE69823082T2 DE 69823082 T2 DE69823082 T2 DE 69823082T2 DE 69823082 T DE69823082 T DE 69823082T DE 69823082 T DE69823082 T DE 69823082T DE 69823082 T2 DE69823082 T2 DE 69823082T2
Authority
DE
Germany
Prior art keywords
autofocus camera
autofocus
camera
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 - Lifetime
Application number
DE69823082T
Other languages
English (en)
Other versions
DE69823082D1 (de
Inventor
Kazuhiko Sugimoto
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
Application filed by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Application granted granted Critical
Publication of DE69823082D1 publication Critical patent/DE69823082D1/de
Publication of DE69823082T2 publication Critical patent/DE69823082T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—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
    • 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)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
  • Lens Barrels (AREA)
  • Studio Devices (AREA)
DE69823082T 1997-02-25 1998-02-19 Autofokuskamera Expired - Lifetime DE69823082T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP04038997A JP3338322B2 (ja) 1997-02-25 1997-02-25 オートフォーカスカメラ

Publications (2)

Publication Number Publication Date
DE69823082D1 DE69823082D1 (de) 2004-05-19
DE69823082T2 true DE69823082T2 (de) 2005-04-21

Family

ID=12579312

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69823082T Expired - Lifetime DE69823082T2 (de) 1997-02-25 1998-02-19 Autofokuskamera

Country Status (6)

Country Link
US (1) US6552748B1 (de)
EP (1) EP0860725B1 (de)
JP (1) JP3338322B2 (de)
KR (1) KR100513606B1 (de)
CN (1) CN1135428C (de)
DE (1) DE69823082T2 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990030882A (ko) * 1997-10-07 1999-05-06 이해규 초점 위치 조절이 가능한 디지탈 스틸 카메라 및 그 제어 방법
JP2967271B1 (ja) * 1998-07-14 1999-10-25 セイコーインスツルメンツ株式会社 撮影後に直ちにプリント可能なデジタルカメラ
US6972798B1 (en) 1999-08-31 2005-12-06 Canon Kabushiki Kaisha Focusing device and method
US6683651B1 (en) 1999-10-28 2004-01-27 Hewlett-Packard Development Company, L.P. Method of automatically adjusting focus in a shutterless digital camera
CN1316279C (zh) * 2000-08-11 2007-05-16 株式会社索佳 安装在测量装置上面用的自动聚焦机构
JP2003125172A (ja) * 2001-10-10 2003-04-25 Pfu Ltd 画像読取装置の制御方法
JP3728241B2 (ja) * 2001-12-20 2005-12-21 キヤノン株式会社 焦点調節装置、撮像装置、合焦方法、プログラム、及び記憶媒体
US7511759B2 (en) * 2004-02-18 2009-03-31 Canon Kabushiki Kaisha Image pickup apparatus, control method thereof, control program thereof and storage medium, with movement of focus lens on basis of evaluation values extracted by long period scan upon failure of detection of peak position by short period scan
US7813579B2 (en) * 2004-05-24 2010-10-12 Hamamatsu Photonics K.K. Microscope system
JP4371074B2 (ja) * 2005-04-15 2009-11-25 ソニー株式会社 制御装置および方法、プログラム、並びにカメラ
JP2007108412A (ja) * 2005-10-13 2007-04-26 Casio Comput Co Ltd オートフォーカス装置及びそのプログラム
JP4885156B2 (ja) 2008-02-07 2012-02-29 株式会社日立製作所 フォーカス制御装置及び方法
JP2010122301A (ja) * 2008-11-17 2010-06-03 Hitachi Ltd フォーカス制御装置、およびフォーカス制御方法
CN102006419B (zh) * 2010-09-17 2013-01-02 惠州Tcl移动通信有限公司 一种具有自动对焦驱动电路的移动终端及其驱动电路
CN104980717A (zh) * 2014-04-02 2015-10-14 深圳市先河系统技术有限公司 图像处理装置和摄像镜头、摄像机身、摄像设备
CN104570275B (zh) * 2014-12-16 2017-03-08 太仓微芯电子科技有限公司 一种自动聚焦系统及方法
JP2018106020A (ja) 2016-12-27 2018-07-05 ルネサスエレクトロニクス株式会社 フォーカスレンズの位置を決定するための方法、当該方法をコンピュータに実行させるための制御プログラム、および撮像装置
CN107124547B (zh) * 2017-04-19 2020-10-16 宇龙计算机通信科技(深圳)有限公司 双摄像头拍照方法及装置

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56132315A (en) * 1980-03-19 1981-10-16 Fuji Photo Film Co Ltd Automatic focusing method
JPS575019A (en) 1980-06-13 1982-01-11 Olympus Optical Co Ltd Focus controller
JPS57161708A (en) 1981-03-28 1982-10-05 Olympus Optical Co Ltd Focusing detector having variable visual field of detection
US4814889A (en) 1987-10-07 1989-03-21 General Electric Company Automatic focussing system
DE69027878T2 (de) * 1989-03-28 1997-02-27 Canon Kk Automatisches Fokusjustiergerät
US5249058A (en) * 1989-08-08 1993-09-28 Sanyo Electric Co., Ltd. Apparatus for automatically focusing a camera lens
JP2708904B2 (ja) * 1989-08-08 1998-02-04 三洋電機株式会社 オートフォーカスカメラ
US5235375A (en) * 1990-04-12 1993-08-10 Olympus Optical Co., Ltd. Focusing position detecting and automatic focusing apparatus with optimal focusing position calculation method
JP2941980B2 (ja) * 1991-03-07 1999-08-30 キヤノン株式会社 自動焦点調節装置
JP3079622B2 (ja) 1991-04-18 2000-08-21 松下電器産業株式会社 自動焦点整合装置
JP2725937B2 (ja) * 1992-02-19 1998-03-11 三洋電機株式会社 オートフォーカス装置
JP2996806B2 (ja) * 1992-06-11 2000-01-11 キヤノン株式会社 カメラ、自動焦点調節装置及び焦点調節方法
US5416518A (en) * 1992-08-27 1995-05-16 Sony Electronics, Inc. Camera auto focus system
US6222588B1 (en) * 1993-05-28 2001-04-24 Canon Kabushiki Kaisha Automatic focus adjusting device with driving direction control
KR0135950B1 (ko) * 1994-03-29 1998-04-27 구자홍 캠코더의 자동촛점 조절 방법
JPH08122627A (ja) 1994-10-19 1996-05-17 Fuji Photo Optical Co Ltd 自動焦点整合装置
JP3296687B2 (ja) * 1995-05-24 2002-07-02 三洋電機株式会社 オートフォーカスビデオカメラ
JP3263570B2 (ja) 1995-06-02 2002-03-04 株式会社三協精機製作所 自動合焦装置
JP2970902B2 (ja) 1998-07-08 1999-11-02 オリンパス光学工業株式会社 自動合焦装置

Also Published As

Publication number Publication date
JP3338322B2 (ja) 2002-10-28
CN1199869A (zh) 1998-11-25
KR19980071637A (ko) 1998-10-26
EP0860725B1 (de) 2004-04-14
EP0860725A2 (de) 1998-08-26
CN1135428C (zh) 2004-01-21
JPH10239581A (ja) 1998-09-11
DE69823082D1 (de) 2004-05-19
EP0860725A3 (de) 2000-09-20
US6552748B1 (en) 2003-04-22
KR100513606B1 (ko) 2005-11-23

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