TWI305602B - - Google Patents

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Publication number
TWI305602B
TWI305602B TW095116719A TW95116719A TWI305602B TW I305602 B TWI305602 B TW I305602B TW 095116719 A TW095116719 A TW 095116719A TW 95116719 A TW95116719 A TW 95116719A TW I305602 B TWI305602 B TW I305602B
Authority
TW
Taiwan
Prior art keywords
speed
far
value
photosensitive element
macro
Prior art date
Application number
TW095116719A
Other languages
English (en)
Chinese (zh)
Other versions
TW200742923A (en
Inventor
dong-ying Wu
Original Assignee
Asia Optical Co Inc
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 Asia Optical Co Inc filed Critical Asia Optical Co Inc
Priority to TW095116719A priority Critical patent/TW200742923A/zh
Priority to US11/796,088 priority patent/US7800685B2/en
Publication of TW200742923A publication Critical patent/TW200742923A/zh
Application granted granted Critical
Publication of TWI305602B publication Critical patent/TWI305602B/zh

Links

Classifications

    • 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
    • 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
    • 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
    • H04N23/675—Focus control based on electronic image sensor signals comprising setting of focusing regions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/95—Computational photography systems, e.g. light-field imaging systems
    • H04N23/958—Computational photography systems, e.g. light-field imaging systems for extended depth of field imaging
    • H04N23/959—Computational photography systems, e.g. light-field imaging systems for extended depth of field imaging by adjusting depth of field during image capture, e.g. maximising or setting range based on scene characteristics

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Optics & Photonics (AREA)
  • Automatic Focus Adjustment (AREA)
  • Lens Barrels (AREA)
  • Studio Devices (AREA)
  • Focusing (AREA)
TW095116719A 2006-05-11 2006-05-11 Method of auto focus TW200742923A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW095116719A TW200742923A (en) 2006-05-11 2006-05-11 Method of auto focus
US11/796,088 US7800685B2 (en) 2006-05-11 2007-04-26 Method of auto focus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW095116719A TW200742923A (en) 2006-05-11 2006-05-11 Method of auto focus

Publications (2)

Publication Number Publication Date
TW200742923A TW200742923A (en) 2007-11-16
TWI305602B true TWI305602B (enExample) 2009-01-21

Family

ID=38821526

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095116719A TW200742923A (en) 2006-05-11 2006-05-11 Method of auto focus

Country Status (2)

Country Link
US (1) US7800685B2 (enExample)
TW (1) TW200742923A (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4906609B2 (ja) 2007-06-29 2012-03-28 キヤノン株式会社 撮像装置および方法
JP5535080B2 (ja) * 2008-10-30 2014-07-02 パナソニック株式会社 カメラシステム
EP2461198A3 (en) * 2010-12-01 2017-03-08 BlackBerry Limited Apparatus, and associated method, for a camera module of electronic device
JP5769979B2 (ja) * 2011-02-14 2015-08-26 株式会社シグマ バックラッシュ補正機能を有するカメラ又はカメラシステム
KR20130007886A (ko) * 2011-07-11 2013-01-21 삼성전자주식회사 화상형성장치, 모터 제어 장치 및 그 모터 제어 방법
TWI459113B (zh) * 2012-03-19 2014-11-01 Altek Corp 攝像裝置及其鏡頭致動裝置及鏡頭致動方法
CN108303834B (zh) 2012-05-17 2022-02-08 Lg伊诺特有限公司 相机模块以及用于对相机模块进行自动调焦的方法
JP6171273B2 (ja) * 2012-06-21 2017-08-02 リコーイメージング株式会社 オートフォーカス装置およびデジタルカメラ
CN106303205A (zh) * 2015-06-12 2017-01-04 中兴通讯股份有限公司 对焦区域调整方法和装置
CN107241473B (zh) * 2017-07-31 2023-06-09 Oppo广东移动通信有限公司 摄像头模组及电子设备
CN113126394A (zh) * 2021-04-23 2021-07-16 深圳市爱派赛科技有限公司 一种应用于移动终端的可切换式双镜头

Also Published As

Publication number Publication date
US7800685B2 (en) 2010-09-21
TW200742923A (en) 2007-11-16
US20070285557A1 (en) 2007-12-13

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees