HK1209540A1 - 用於相機模塊中的連續自動對焦系統與方法 - Google Patents

用於相機模塊中的連續自動對焦系統與方法

Info

Publication number
HK1209540A1
HK1209540A1 HK15109949.6A HK15109949A HK1209540A1 HK 1209540 A1 HK1209540 A1 HK 1209540A1 HK 15109949 A HK15109949 A HK 15109949A HK 1209540 A1 HK1209540 A1 HK 1209540A1
Authority
HK
Hong Kong
Prior art keywords
camera module
auto focus
continuous auto
continuous
focus
Prior art date
Application number
HK15109949.6A
Other languages
English (en)
Inventor
鄧志豪
Original Assignee
Omnivision Tech 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 Omnivision Tech Inc filed Critical Omnivision Tech Inc
Publication of HK1209540A1 publication Critical patent/HK1209540A1/zh

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
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
    • G02B7/102—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens controlled by a microcomputer
    • 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
    • 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

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)
  • General Engineering & Computer Science (AREA)
  • Studio Devices (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
HK15109949.6A 2014-03-12 2015-10-12 用於相機模塊中的連續自動對焦系統與方法 HK1209540A1 (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14/206,855 US9288379B2 (en) 2014-03-12 2014-03-12 System and method for continuous auto focus within camera module

Publications (1)

Publication Number Publication Date
HK1209540A1 true HK1209540A1 (zh) 2016-04-01

Family

ID=54070375

Family Applications (1)

Application Number Title Priority Date Filing Date
HK15109949.6A HK1209540A1 (zh) 2014-03-12 2015-10-12 用於相機模塊中的連續自動對焦系統與方法

Country Status (4)

Country Link
US (1) US9288379B2 (zh)
CN (1) CN104917956B (zh)
HK (1) HK1209540A1 (zh)
TW (1) TWI551139B (zh)

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* Cited by examiner, † Cited by third party
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US9930243B2 (en) * 2016-05-02 2018-03-27 Mitutoyo Corporation Variable focal length imaging system
CN107277348B (zh) * 2017-06-16 2019-08-16 Oppo广东移动通信有限公司 对焦方法、装置、计算机可读存储介质和移动终端

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* Cited by examiner, † Cited by third party
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JP5474528B2 (ja) * 2009-12-25 2014-04-16 富士フイルム株式会社 オートフォーカスシステム
CN101867705A (zh) * 2010-03-31 2010-10-20 福州开发区鸿发光电子技术有限公司 一种大变焦比自动聚焦一体化摄像机
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JP5866493B2 (ja) * 2013-11-19 2016-02-17 パナソニックＩｐマネジメント株式会社 撮像装置
JP6539015B2 (ja) * 2013-12-05 2019-07-03 キヤノン株式会社 撮像装置及びその制御方法

Also Published As

Publication number Publication date
US20150264247A1 (en) 2015-09-17
US9288379B2 (en) 2016-03-15
TWI551139B (zh) 2016-09-21
CN104917956B (zh) 2018-10-09
TW201536049A (zh) 2015-09-16
CN104917956A (zh) 2015-09-16

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