FR2638041B3 - Procede et circuit pour creer des impulsions de synchronisation aux frequences h et v d'un appareil video - Google Patents

Procede et circuit pour creer des impulsions de synchronisation aux frequences h et v d'un appareil video

Info

Publication number
FR2638041B3
FR2638041B3 FR898909386A FR8909386A FR2638041B3 FR 2638041 B3 FR2638041 B3 FR 2638041B3 FR 898909386 A FR898909386 A FR 898909386A FR 8909386 A FR8909386 A FR 8909386A FR 2638041 B3 FR2638041 B3 FR 2638041B3
Authority
FR
France
Prior art keywords
creating
circuit
frequency synchronization
video apparatus
synchronization pulses
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
FR898909386A
Other languages
English (en)
Other versions
FR2638041A1 (fr
Inventor
Reinhard Kirschenstein
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.)
Philips GmbH
Original Assignee
BTS Broadcast Television Systems GmbH
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 BTS Broadcast Television Systems GmbH filed Critical BTS Broadcast Television Systems GmbH
Publication of FR2638041A1 publication Critical patent/FR2638041A1/fr
Application granted granted Critical
Publication of FR2638041B3 publication Critical patent/FR2638041B3/fr
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
    • H04N5/00—Details of television systems
    • H04N5/04—Synchronising
    • H04N5/08—Separation of synchronising signals from picture signals
    • H04N5/10—Separation of line synchronising signal from frame synchronising signal or vice versa

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Synchronizing For Television (AREA)
FR898909386A 1988-10-13 1989-07-12 Procede et circuit pour creer des impulsions de synchronisation aux frequences h et v d'un appareil video Expired - Lifetime FR2638041B3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3834865A DE3834865C2 (de) 1988-10-13 1988-10-13 Verfahren und Schaltung zur Ableitung von H- und V-frequenten Synchronimpulsen

Publications (2)

Publication Number Publication Date
FR2638041A1 FR2638041A1 (fr) 1990-04-20
FR2638041B3 true FR2638041B3 (fr) 1991-02-08

Family

ID=6365026

Family Applications (1)

Application Number Title Priority Date Filing Date
FR898909386A Expired - Lifetime FR2638041B3 (fr) 1988-10-13 1989-07-12 Procede et circuit pour creer des impulsions de synchronisation aux frequences h et v d'un appareil video

Country Status (4)

Country Link
US (1) US5012340A (fr)
DE (1) DE3834865C2 (fr)
FR (1) FR2638041B3 (fr)
GB (1) GB2225190B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3211969B2 (ja) * 1991-06-27 2001-09-25 ソニー株式会社 表示装置
US5754250A (en) * 1992-02-18 1998-05-19 Cooper; J. Carl Synchronizing signal separating apparatus and method
JP3021966B2 (ja) * 1992-06-03 2000-03-15 松下電器産業株式会社 同期信号発生回路および映像信号処理装置
KR0157125B1 (ko) * 1995-12-30 1998-11-16 김광호 복합 영상 기기의 블랙킹 신호 발생 제어 회로
US6559891B1 (en) * 2000-08-15 2003-05-06 Sony Corporation Method and apparatus to generate tri-level HDTV synchronization pulses
US7515646B2 (en) 2004-02-05 2009-04-07 Lexmark International, Inc. Method and apparatus for reducing EMI emissions for data signals traveling over a data pathway
US7239355B2 (en) * 2004-05-17 2007-07-03 Mstar Semiconductor, Inc. Method of frame synchronization when scaling video and video scaling apparatus thereof
CN101049015B (zh) * 2004-10-28 2011-05-25 罗威解决方案公司 修改视频信号的设备和方法
EP1659779A1 (fr) * 2004-11-22 2006-05-24 TTE Germany GmbH Procédé et circuit décodeur pour séparation des impulsions de synchronisation
US7792293B2 (en) * 2005-05-06 2010-09-07 Rovi Solutions Corporation Method and apparatus for modifying a subsequently generated control command in a content control system
US20080309816A1 (en) * 2007-06-15 2008-12-18 Macrovision Corporation Television content control system and method with cross-platform capability
US8374489B2 (en) * 2009-09-23 2013-02-12 Rovi Technologies Corporation Method and apparatus for inducing and or reducing geometric distortions in a display via positive going pulses

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4639780A (en) * 1985-04-01 1987-01-27 Rca Corporation Television synchronizing apparatus
US4864400A (en) * 1985-11-18 1989-09-05 Nippon Hoso Kyoka Television synchronization system
FR2596600B1 (fr) * 1986-03-25 1988-05-13 Thomson Csf Generateur de signaux de synchronisation programmable
JPH0659091B2 (ja) * 1987-05-27 1994-08-03 日本電気株式会社 同期信号発生回路
DE3828415C2 (de) * 1988-08-20 1996-04-11 Broadcast Television Syst Verfahren und Schaltung zur Ableitung von H- und V-frequenten Synchronimpulsen

Also Published As

Publication number Publication date
DE3834865A1 (de) 1990-04-19
FR2638041A1 (fr) 1990-04-20
GB2225190B (en) 1993-02-24
GB8923024D0 (en) 1989-11-29
DE3834865C2 (de) 1995-11-16
US5012340A (en) 1991-04-30
GB2225190A (en) 1990-05-23

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Legal Events

Date Code Title Description
ST Notification of lapse