FR2843809B1 - Systeme de mise au point automatique avec correction de sensibilite - Google Patents

Systeme de mise au point automatique avec correction de sensibilite

Info

Publication number
FR2843809B1
FR2843809B1 FR0310096A FR0310096A FR2843809B1 FR 2843809 B1 FR2843809 B1 FR 2843809B1 FR 0310096 A FR0310096 A FR 0310096A FR 0310096 A FR0310096 A FR 0310096A FR 2843809 B1 FR2843809 B1 FR 2843809B1
Authority
FR
France
Prior art keywords
automatic focusing
focusing system
sensitivity correction
sensitivity
correction
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
FR0310096A
Other languages
English (en)
Other versions
FR2843809A1 (fr
Inventor
Atsushi Kanayama
Tadashi Sasaki
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.)
Fujinon Corp
Original Assignee
Fuji Photo Optical 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 JP2002243360A external-priority patent/JP4032877B2/ja
Priority claimed from JP2002277041A external-priority patent/JP2004117492A/ja
Application filed by Fuji Photo Optical Co Ltd filed Critical Fuji Photo Optical Co Ltd
Publication of FR2843809A1 publication Critical patent/FR2843809A1/fr
Application granted granted Critical
Publication of FR2843809B1 publication Critical patent/FR2843809B1/fr
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
    • 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
    • H04N23/65—Control of camera operation in relation to power supply
    • H04N23/651—Control of camera operation in relation to power supply for reducing power consumption by affecting camera operations, e.g. sleep mode, hibernation mode or power off of selective parts of the camera

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Automatic Focus Adjustment (AREA)
  • Studio Devices (AREA)
  • Focusing (AREA)
FR0310096A 2002-08-23 2003-08-22 Systeme de mise au point automatique avec correction de sensibilite Expired - Fee Related FR2843809B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002243360A JP4032877B2 (ja) 2002-08-23 2002-08-23 オートフォーカスシステム
JP2002277041A JP2004117492A (ja) 2002-09-24 2002-09-24 オートフォーカスシステム

Publications (2)

Publication Number Publication Date
FR2843809A1 FR2843809A1 (fr) 2004-02-27
FR2843809B1 true FR2843809B1 (fr) 2006-01-06

Family

ID=31497670

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0310096A Expired - Fee Related FR2843809B1 (fr) 2002-08-23 2003-08-22 Systeme de mise au point automatique avec correction de sensibilite

Country Status (3)

Country Link
US (1) US7345706B2 (fr)
DE (1) DE10338246A1 (fr)
FR (1) FR2843809B1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4576852B2 (ja) * 2004-03-04 2010-11-10 富士フイルム株式会社 ピント状態検出装置
EP1601189A2 (fr) * 2004-05-26 2005-11-30 Fujinon Corporation Système de focalisation automatique
JP4865284B2 (ja) * 2005-09-13 2012-02-01 キヤノン株式会社 合焦結像光学系
JP5023478B2 (ja) * 2005-11-30 2012-09-12 富士通株式会社 移動式無線通信装置
KR100781273B1 (ko) * 2006-02-20 2007-11-30 엘지전자 주식회사 카메라 모듈의 오차 보정 장치 및 그 방법
JP2008009340A (ja) * 2006-06-30 2008-01-17 Sony Corp オートフォーカス装置、撮像装置及びオートフォーカス方法
JP2008046415A (ja) * 2006-08-17 2008-02-28 Fujinon Corp レンズ装置
JP4922768B2 (ja) * 2007-01-09 2012-04-25 株式会社エルモ社 撮像装置、焦点自動調節方法
JP5031475B2 (ja) * 2007-07-31 2012-09-19 キヤノン株式会社 ズームレンズ及びそれを有する撮影システム
JP5409028B2 (ja) * 2009-01-30 2014-02-05 キヤノン株式会社 分割光学系及びそれを用いた撮像光学系、撮像装置
KR20130005882A (ko) * 2011-07-07 2013-01-16 삼성전자주식회사 디지털 촬영 장치, 그 제어방법, 및 오토포커싱 방법
US9288379B2 (en) * 2014-03-12 2016-03-15 Omnivision Technologies, Inc. System and method for continuous auto focus within camera module

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2836428A1 (de) 1978-08-19 1980-03-06 Battelle Institut E V Verfahren und vorrichtung zur automatischen scharfeinstellung von objektiven
US4352545A (en) * 1979-02-13 1982-10-05 Asahi Kogaku Kogyo Kabushiki Kaisha Camera focus detecting device
JPS5674208A (en) 1979-11-21 1981-06-19 Nippon Kogaku Kk <Nikon> Automatic focus adjusting device
JPS5737336A (en) 1980-08-19 1982-03-01 Asahi Optical Co Ltd Automatic focus detector for camera
JPS5764711A (en) 1980-10-09 1982-04-20 Asahi Optical Co Ltd Automatic focus detector for camera
JPS5772115A (en) 1980-10-23 1982-05-06 Canon Inc Output stablizing circuit for focus detector
JPS5772111A (en) 1980-10-23 1982-05-06 Canon Inc Camera
US4414575A (en) * 1980-11-21 1983-11-08 Hitachi Denshi Kabushiki Kaisha Autofocus system
JPS57158820A (en) * 1981-03-27 1982-09-30 Olympus Optical Co Ltd Method for focusing detection
JPS57161838A (en) 1981-03-31 1982-10-05 Canon Inc Focus detector of camera
JPS59184110A (ja) 1983-04-04 1984-10-19 Sumitomo Chem Co Ltd 農園芸用殺菌組成物
JPS59204807A (ja) 1983-05-09 1984-11-20 Asahi Optical Co Ltd 自動焦点レンズの駆動方法および駆動装置
JPS6163812A (ja) 1985-07-29 1986-04-02 Canon Inc カメラの焦合状態検出素子構体
JPH0399589A (ja) * 1989-09-13 1991-04-24 Toshiba Corp 固体カメラ
EP0439357B1 (fr) * 1990-01-25 1997-07-23 Hewlett-Packard Company Procédé et appareil pour la provision de compensation du détecteur dans un balayeur de documents
JP3065699B2 (ja) 1991-04-10 2000-07-17 オリンパス光学工業株式会社 合焦位置検出装置
JPH05232370A (ja) 1992-02-19 1993-09-10 Olympus Optical Co Ltd 顕微鏡の合焦検出装置
KR100275185B1 (ko) * 1993-06-17 2000-12-15 다카노 야스아키 영상 신호에 응답하여 촛점의 자동 정합을 행하는 오토 포커스 장치
US5541656A (en) * 1994-07-29 1996-07-30 Logitech, Inc. Digital camera with separate function and option icons and control switches
JPH08152550A (ja) 1994-11-28 1996-06-11 Nec Corp 顕微鏡自動焦点装置
JPH08248302A (ja) 1995-03-14 1996-09-27 Nikon Corp 自動焦点検出装置
JPH08320430A (ja) 1995-05-23 1996-12-03 Nikon Corp 自動焦点検出装置
JP3709238B2 (ja) 1996-04-30 2005-10-26 オリンパス株式会社 自動焦点検出装置及びそれを適用した顕微鏡
JPH10122813A (ja) 1996-10-23 1998-05-15 Ricoh Co Ltd 光学式変位センサ
JP3265212B2 (ja) 1997-01-22 2002-03-11 隆司 松山 多重フォーカス測距装置
JP2002023044A (ja) * 2000-07-12 2002-01-23 Canon Inc 焦点検出装置、測距装置及びカメラ
JP2002196247A (ja) 2000-12-26 2002-07-12 Nikon Corp 自動焦点合わせ可能な顕微鏡
JP2002296493A (ja) * 2001-03-30 2002-10-09 Fuji Photo Optical Co Ltd ピント状態検出装置

Also Published As

Publication number Publication date
US20040036794A1 (en) 2004-02-26
DE10338246A1 (de) 2004-04-01
US7345706B2 (en) 2008-03-18
FR2843809A1 (fr) 2004-02-27

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Legal Events

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CD Change of name or company name
PLFP Fee payment

Year of fee payment: 14

ST Notification of lapse

Effective date: 20180430