DE3575254D1 - Automatische fokussierschaltung fuer videokameras. - Google Patents

Automatische fokussierschaltung fuer videokameras.

Info

Publication number
DE3575254D1
DE3575254D1 DE8585113714T DE3575254T DE3575254D1 DE 3575254 D1 DE3575254 D1 DE 3575254D1 DE 8585113714 T DE8585113714 T DE 8585113714T DE 3575254 T DE3575254 T DE 3575254T DE 3575254 D1 DE3575254 D1 DE 3575254D1
Authority
DE
Germany
Prior art keywords
video cameras
focus control
automatic focus
automatic
cameras
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 - Lifetime
Application number
DE8585113714T
Other languages
English (en)
Inventor
Tatsuo Hiramatsu
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric 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
Application filed by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Application granted granted Critical
Publication of DE3575254D1 publication Critical patent/DE3575254D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/04—Synchronising
    • H04N5/08—Separation of synchronising signals from picture signals
DE8585113714T 1984-10-30 1985-10-29 Automatische fokussierschaltung fuer videokameras. Expired - Lifetime DE3575254D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59228308A JPS61105978A (ja) 1984-10-30 1984-10-30 オ−トフオ−カス回路

Publications (1)

Publication Number Publication Date
DE3575254D1 true DE3575254D1 (de) 1990-02-08

Family

ID=16874402

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585113714T Expired - Lifetime DE3575254D1 (de) 1984-10-30 1985-10-29 Automatische fokussierschaltung fuer videokameras.

Country Status (5)

Country Link
US (2) US4638364A (de)
EP (1) EP0180186B1 (de)
JP (1) JPS61105978A (de)
KR (1) KR920009068B1 (de)
DE (1) DE3575254D1 (de)

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US8363951B2 (en) * 2007-03-05 2013-01-29 DigitalOptics Corporation Europe Limited Face recognition training method and apparatus
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US7564994B1 (en) * 2004-01-22 2009-07-21 Fotonation Vision Limited Classification system for consumer digital images using automatic workflow and face detection and recognition
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US7551755B1 (en) 2004-01-22 2009-06-23 Fotonation Vision Limited Classification and organization of consumer digital images using workflow, and face detection and recognition
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US7315631B1 (en) 2006-08-11 2008-01-01 Fotonation Vision Limited Real-time face tracking in a digital image acquisition device
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US7804983B2 (en) 2006-02-24 2010-09-28 Fotonation Vision Limited Digital image acquisition control and correction method and apparatus
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CN103402070B (zh) 2008-05-19 2017-07-07 日立麦克赛尔株式会社 记录再现装置及方法
JP5547730B2 (ja) * 2008-07-30 2014-07-16 デジタルオプティックス・コーポレイション・ヨーロッパ・リミテッド 顔検知を用いた顔及び肌の自動美化
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Also Published As

Publication number Publication date
EP0180186B1 (de) 1990-01-03
US4638364A (en) 1987-01-20
KR920009068B1 (ko) 1992-10-13
JPS61105978A (ja) 1986-05-24
KR860003729A (ko) 1986-05-28
USRE33682E (en) 1991-09-03
EP0180186A1 (de) 1986-05-07

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Legal Events

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