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FR2643766B3 - Circuit pour former une information de synchronisation a partir d'un signal video numerique - Google Patents

Circuit pour former une information de synchronisation a partir d'un signal video numerique

Info

Publication number
FR2643766B3
FR2643766B3 FR898916403A FR8916403A FR2643766B3 FR 2643766 B3 FR2643766 B3 FR 2643766B3 FR 898916403 A FR898916403 A FR 898916403A FR 8916403 A FR8916403 A FR 8916403A FR 2643766 B3 FR2643766 B3 FR 2643766B3
Authority
FR
France
Prior art keywords
circuit
video signal
digital video
synchronization information
forming synchronization
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
FR898916403A
Other languages
English (en)
Other versions
FR2643766A1 (fr
Inventor
Gerhard Wischermann
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 FR2643766A1 publication Critical patent/FR2643766A1/fr
Application granted granted Critical
Publication of FR2643766B3 publication Critical patent/FR2643766B3/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/24—Systems for the transmission of television signals using pulse code modulation
    • H04N7/52—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal
    • H04N7/54—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal the signals being synchronous
    • H04N7/56—Synchronising systems therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Synchronizing For Television (AREA)
  • Television Systems (AREA)
  • Television Signal Processing For Recording (AREA)
FR898916403A 1989-02-24 1989-12-12 Circuit pour former une information de synchronisation a partir d'un signal video numerique Expired - Lifetime FR2643766B3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3905669A DE3905669C2 (de) 1989-02-24 1989-02-24 Schaltungsanordnung zur Ableitung von Synchronsignalen aus einem digitalen Videosignal

Publications (2)

Publication Number Publication Date
FR2643766A1 FR2643766A1 (fr) 1990-08-31
FR2643766B3 true FR2643766B3 (fr) 1991-05-31

Family

ID=6374789

Family Applications (1)

Application Number Title Priority Date Filing Date
FR898916403A Expired - Lifetime FR2643766B3 (fr) 1989-02-24 1989-12-12 Circuit pour former une information de synchronisation a partir d'un signal video numerique

Country Status (4)

Country Link
US (1) US5008751A (fr)
DE (1) DE3905669C2 (fr)
FR (1) FR2643766B3 (fr)
GB (1) GB2229601B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03175833A (ja) * 1989-12-05 1991-07-30 Matsushita Electric Ind Co Ltd Ｍｕｓｅ信号の同期再生装置
JPH0834589B2 (ja) * 1990-03-30 1996-03-29 三菱電機株式会社 サンプリングクロック発生回路
GB2245727A (en) * 1990-06-18 1992-01-08 Rank Cintel Ltd Method and apparatus for generating timing signals
US5420640A (en) * 1993-12-03 1995-05-30 Scientific-Atlanta, Inc. Memory efficient method and apparatus for sync detection
US5534939A (en) * 1994-12-09 1996-07-09 Tektronix, Inc. Digital video clock generation system
US5978424A (en) * 1996-11-18 1999-11-02 Zenith Electronics Corporation Frame identification system
US7343617B1 (en) 2000-02-29 2008-03-11 Goldpocket Interactive, Inc. Method and apparatus for interaction with hyperlinks in a television broadcast
US7367042B1 (en) * 2000-02-29 2008-04-29 Goldpocket Interactive, Inc. Method and apparatus for hyperlinking in a television broadcast
US7120924B1 (en) 2000-02-29 2006-10-10 Goldpocket Interactive, Inc. Method and apparatus for receiving a hyperlinked television broadcast
US20020078446A1 (en) * 2000-08-30 2002-06-20 Jon Dakss Method and apparatus for hyperlinking in a television broadcast
FR2831755A1 (fr) * 2001-10-30 2003-05-02 St Microelectronics Sa Procede et dispositif de detection de la parite des trames successives d'un signal video entrelace
US20060259807A1 (en) * 2005-05-10 2006-11-16 Telairity Semiconductor, Inc. Method and apparatus for clock synchronization between a processor and external devices

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3737730C2 (de) * 1987-11-06 1995-10-26 Broadcast Television Syst Verfahren und Anordnung zur Ableitung von Synchronsignalen
US4887279A (en) * 1988-09-19 1989-12-12 Tektronix, Inc. Timing measurement for jitter display

Also Published As

Publication number Publication date
US5008751A (en) 1991-04-16
GB9004039D0 (en) 1990-04-18
FR2643766A1 (fr) 1990-08-31
DE3905669A1 (de) 1990-08-30
GB2229601A (en) 1990-09-26
GB2229601B (en) 1993-04-07
DE3905669C2 (de) 1996-03-07

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Legal Events

Date Code Title Description
ST Notification of lapse