HK1171599A1 - Auto-focus image system - Google Patents

Auto-focus image system

Info

Publication number
HK1171599A1
HK1171599A1 HK12112335.5A HK12112335A HK1171599A1 HK 1171599 A1 HK1171599 A1 HK 1171599A1 HK 12112335 A HK12112335 A HK 12112335A HK 1171599 A1 HK1171599 A1 HK 1171599A1
Authority
HK
Hong Kong
Prior art keywords
image
edge
focus
auto
width
Prior art date
Application number
HK12112335.5A
Other languages
English (en)
Inventor
Yunn-En Yeo
Hiok Nam Tay
Original Assignee
Hiok Nam Tay
Candela Microsystems S Pte 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 Hiok Nam Tay, Candela Microsystems S Pte Ltd filed Critical Hiok Nam Tay
Publication of HK1171599A1 publication Critical patent/HK1171599A1/xx

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
    • 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
    • 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
    • H04N23/70—Circuitry for compensating brightness variation in the scene
HK12112335.5A 2007-10-22 2012-11-29 Auto-focus image system HK1171599A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US5307P 2007-10-22 2007-10-22
US12/082,577 US8264591B2 (en) 2007-10-22 2008-04-11 Method and system for generating focus signal

Publications (1)

Publication Number Publication Date
HK1171599A1 true HK1171599A1 (en) 2013-03-28

Family

ID=40563112

Family Applications (2)

Application Number Title Priority Date Filing Date
HK12112335.5A HK1171599A1 (en) 2007-10-22 2012-11-29 Auto-focus image system
HK13102456.8A HK1175342A1 (en) 2007-10-22 2013-02-27 Auto-focus image system

Family Applications After (1)

Application Number Title Priority Date Filing Date
HK13102456.8A HK1175342A1 (en) 2007-10-22 2013-02-27 Auto-focus image system

Country Status (9)

Country Link
US (1) US8264591B2 (de)
JP (3) JP5459717B2 (de)
CN (1) CN101849407B (de)
DE (1) DE112008002819T5 (de)
ES (1) ES2394950B1 (de)
GB (3) GB2485936B (de)
HK (2) HK1171599A1 (de)
MX (1) MX2010004336A (de)
WO (1) WO2009063326A2 (de)

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Also Published As

Publication number Publication date
GB2489779B (en) 2013-02-20
CN101849407B (zh) 2013-08-28
JP6057089B2 (ja) 2017-01-11
MX2010004336A (es) 2010-05-17
ES2394950A1 (es) 2013-02-06
GB201203379D0 (en) 2012-04-11
GB2485936A (en) 2012-05-30
GB2467078A (en) 2010-07-21
GB2489779A (en) 2012-10-10
WO2009063326A3 (en) 2009-08-13
DE112008002819T5 (de) 2011-02-17
ES2394950B1 (es) 2013-11-26
JP2014067044A (ja) 2014-04-17
JP2014112239A (ja) 2014-06-19
GB2485936B (en) 2012-11-07
GB2467078B (en) 2012-12-19
WO2009063326A2 (en) 2009-05-22
GB201008370D0 (en) 2010-07-07
GB201203481D0 (en) 2012-04-11
JP2011501215A (ja) 2011-01-06
JP5459717B2 (ja) 2014-04-02
CN101849407A (zh) 2010-09-29
HK1175342A1 (en) 2013-06-28
US8264591B2 (en) 2012-09-11
US20090102963A1 (en) 2009-04-23

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20171017