ES2177613T3 - Sistemas generadores de señales oscilantes. - Google Patents

Sistemas generadores de señales oscilantes.

Info

Publication number
ES2177613T3
ES2177613T3 ES95308459T ES95308459T ES2177613T3 ES 2177613 T3 ES2177613 T3 ES 2177613T3 ES 95308459 T ES95308459 T ES 95308459T ES 95308459 T ES95308459 T ES 95308459T ES 2177613 T3 ES2177613 T3 ES 2177613T3
Authority
ES
Spain
Prior art keywords
signal
signal generator
oscillating signal
generator systems
colour
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
ES95308459T
Other languages
English (en)
Inventor
Gareth R Williams
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.)
Microsemi Semiconductor Ltd
Original Assignee
Mitel Semiconductor 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 Mitel Semiconductor Ltd filed Critical Mitel Semiconductor Ltd
Application granted granted Critical
Publication of ES2177613T3 publication Critical patent/ES2177613T3/es
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
    • H04N9/00—Details of colour television systems
    • H04N9/44—Colour synchronisation
    • H04N9/45—Generation or recovery of colour sub-carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Slot Machines And Peripheral Devices (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)

Abstract

UNA DISPOSICION PARA SINCRONIZAR UNA SEÑAL DE SUBPORTADORA CROMATICA GENERADA DIGITALMENTE CON LA SEÑAL DE SINCRONIZACION CROMATICA DE OTRA SEÑAL DE VIDEO, TAL COMO LA DE UN GRABADOR DE CINTAS DE VIDEO O DE UNA SEÑAL DE TELEVISION POR CABLE, DE UN MODO QUE PERMITA LA UTILIZACION DE UN RELOJ SINCRONIZADO DE LINEA SIN PROVOCAR UNA PERTURBACION INACEPTABLE EN LA SEÑAL DE SUBPORTADORA GENERADA.
ES95308459T 1994-12-09 1995-11-24 Sistemas generadores de señales oscilantes. Expired - Lifetime ES2177613T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9424839A GB2295935B (en) 1994-12-09 1994-12-09 Oscillatory signal generator arrangement

Publications (1)

Publication Number Publication Date
ES2177613T3 true ES2177613T3 (es) 2002-12-16

Family

ID=10765648

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95308459T Expired - Lifetime ES2177613T3 (es) 1994-12-09 1995-11-24 Sistemas generadores de señales oscilantes.

Country Status (7)

Country Link
US (1) US5815214A (es)
EP (1) EP0716550B1 (es)
JP (1) JPH08237675A (es)
AT (1) ATE220489T1 (es)
DE (1) DE69527341T2 (es)
ES (1) ES2177613T3 (es)
GB (1) GB2295935B (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3815854B2 (ja) * 1997-06-20 2006-08-30 富士通株式会社 ディジタルｐｌｌ回路およびｍｐｅｇデコーダ
US6317161B1 (en) * 1997-07-31 2001-11-13 Texas Instruments Incorporated Horizontal phase-locked loop for video decoder

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3027828A1 (de) * 1980-07-23 1982-03-04 Deutsche Itt Industries Gmbh, 7800 Freiburg Frequenz/phasenregelschleife
DE3432314A1 (de) * 1984-09-03 1986-03-13 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung zum ableiten digitaler farbsignale aus einem analogen fernsehsignal
US4694326A (en) * 1986-03-28 1987-09-15 Rca Corporation Digital phase locked loop stabilization circuitry including a secondary digital phase locked loop which may be locked at an indeterminate frequency
US4686560A (en) * 1986-05-30 1987-08-11 Rca Corporation Phase locked loop system including analog and digital components
DE69114411T2 (de) * 1990-08-09 1996-05-02 Victor Company Of Japan Schaltung zur Erzeugung eines Taktsignals, das auf einer spezifischen Phase eines in einem Videosignal enthaltenen Farbsynchronsignals synchronisiert ist.
GB9311953D0 (en) * 1993-06-10 1993-07-28 Snell & Wilcox Ltd Demodulation
US5515108A (en) * 1993-08-18 1996-05-07 Samsung Electronics Corporation Digital automatic frequency control method and circuit therefor
US5621472A (en) * 1994-04-01 1997-04-15 Apple Computer, Inc. System for inexpensive phase coherent subcarrier generation

Also Published As

Publication number Publication date
EP0716550A2 (en) 1996-06-12
ATE220489T1 (de) 2002-07-15
GB9424839D0 (en) 1995-02-08
EP0716550A3 (en) 1997-06-11
EP0716550B1 (en) 2002-07-10
GB2295935A (en) 1996-06-12
DE69527341D1 (de) 2002-08-14
US5815214A (en) 1998-09-29
GB2295935B (en) 1999-05-12
JPH08237675A (ja) 1996-09-13
DE69527341T2 (de) 2003-01-23

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