FR2853733B1 - Systeme de mise au point automatique passif pour un appareil photographique - Google Patents

Systeme de mise au point automatique passif pour un appareil photographique

Info

Publication number
FR2853733B1
FR2853733B1 FR0403710A FR0403710A FR2853733B1 FR 2853733 B1 FR2853733 B1 FR 2853733B1 FR 0403710 A FR0403710 A FR 0403710A FR 0403710 A FR0403710 A FR 0403710A FR 2853733 B1 FR2853733 B1 FR 2853733B1
Authority
FR
France
Prior art keywords
automatic focusing
focusing system
photographic apparatus
passive automatic
passive
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
FR0403710A
Other languages
English (en)
Other versions
FR2853733A1 (fr
Inventor
Naoto Nakahara
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.)
Hoya Corp
Original Assignee
Pentax 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 Pentax Corp filed Critical Pentax Corp
Publication of FR2853733A1 publication Critical patent/FR2853733A1/fr
Application granted granted Critical
Publication of FR2853733B1 publication Critical patent/FR2853733B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G02B7/285—Systems for automatic generation of focusing signals including two or more different focus detection devices, e.g. both an active and a passive focus detecting device
    • 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
    • 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
    • G02B7/38—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals measured at different points on the optical axis, e.g. focussing on two or more planes and comparing image data
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Automatic Focus Adjustment (AREA)
  • Studio Devices (AREA)
  • Focusing (AREA)
FR0403710A 2003-04-08 2004-04-08 Systeme de mise au point automatique passif pour un appareil photographique Expired - Fee Related FR2853733B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003104383A JP4324402B2 (ja) 2003-04-08 2003-04-08 カメラの自動焦点調節装置

Publications (2)

Publication Number Publication Date
FR2853733A1 FR2853733A1 (fr) 2004-10-15
FR2853733B1 true FR2853733B1 (fr) 2011-04-29

Family

ID=33028273

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0403710A Expired - Fee Related FR2853733B1 (fr) 2003-04-08 2004-04-08 Systeme de mise au point automatique passif pour un appareil photographique

Country Status (4)

Country Link
US (1) US7058294B2 (fr)
JP (1) JP4324402B2 (fr)
DE (1) DE102004017536B4 (fr)
FR (1) FR2853733B1 (fr)

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JP4967992B2 (ja) * 2007-10-30 2012-07-04 株式会社ニコン 画像認識装置及び焦点検出装置並びに撮像装置
KR101436836B1 (ko) 2008-05-30 2014-09-02 삼성전자주식회사 디지털 영상 처리기에서 포커스 오차 보정 장치 및 방법
WO2009155432A2 (fr) * 2008-06-18 2009-12-23 Sterling Lc Lentilles à grin de dispositif d'imagerie miniaturisé couplées optiquement à des dispositifs d'imagerie à semi-conducteurs
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WO2010014792A2 (fr) 2008-07-30 2010-02-04 Sterling Lc Procédé et dispositif permettant une variation par incréments de la longueur d’ondes pour analyser un tissu
JP2010054730A (ja) * 2008-08-27 2010-03-11 Samsung Digital Imaging Co Ltd 合焦位置検出装置、撮像装置及び合焦位置検出方法
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US9661996B2 (en) 2009-10-01 2017-05-30 Sarcos Lc Needle delivered imaging device
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JP5653035B2 (ja) * 2009-12-22 2015-01-14 キヤノン株式会社 撮像装置、焦点検出方法、および制御方法
JP5421829B2 (ja) * 2010-03-18 2014-02-19 富士フイルム株式会社 撮像装置
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JP6532119B2 (ja) * 2013-04-30 2019-06-19 キヤノン株式会社 撮像装置及びその制御方法
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JP6381266B2 (ja) * 2014-04-15 2018-08-29 キヤノン株式会社 撮像装置、制御装置、制御方法、プログラム、および、記憶媒体
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JP6530610B2 (ja) * 2015-02-04 2019-06-12 キヤノン株式会社 焦点調節装置、撮像装置、焦点調節装置の制御方法、及びプログラム
JP2016206310A (ja) * 2015-04-17 2016-12-08 ソニー株式会社 撮像装置およびその制御方法
JP6412468B2 (ja) * 2015-06-25 2018-10-24 オリンパス株式会社 撮像装置および撮像方法
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Also Published As

Publication number Publication date
FR2853733A1 (fr) 2004-10-15
DE102004017536A1 (de) 2004-10-21
JP4324402B2 (ja) 2009-09-02
JP2004309866A (ja) 2004-11-04
US7058294B2 (en) 2006-06-06
DE102004017536B4 (de) 2011-08-18
US20040202461A1 (en) 2004-10-14

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Legal Events

Date Code Title Description
TP Transmission of property

Owner name: HOYA CORPORATION, JP

Effective date: 20111208

ST Notification of lapse

Effective date: 20121228