ES2041682T3 - Separador de senales de sincronismo. - Google Patents

Separador de senales de sincronismo.

Info

Publication number
ES2041682T3
ES2041682T3 ES198787303841T ES87303841T ES2041682T3 ES 2041682 T3 ES2041682 T3 ES 2041682T3 ES 198787303841 T ES198787303841 T ES 198787303841T ES 87303841 T ES87303841 T ES 87303841T ES 2041682 T3 ES2041682 T3 ES 2041682T3
Authority
ES
Spain
Prior art keywords
signal
sync
sync tip
time
tip
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
ES198787303841T
Other languages
English (en)
Inventor
Alvin Reuben Balaban
Steven Alan Steckler
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.)
RCA Licensing Corp
Original Assignee
RCA Licensing Corp
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 RCA Licensing Corp filed Critical RCA Licensing Corp
Application granted granted Critical
Publication of ES2041682T3 publication Critical patent/ES2041682T3/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
    • H04N5/00—Details of television systems
    • H04N5/04—Synchronising
    • H04N5/08—Separation of synchronising signals from picture signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Synchronizing For Television (AREA)
  • Television Signal Processing For Recording (AREA)
  • Fats And Perfumes (AREA)
  • Dry Shavers And Clippers (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

UN SEPARADOR DE SINCRONIZACION QUE DETECTA LA PRESENCIA DE UN PULSO DE SINCRONIZACION EN LA PARTE CORRESPONDIENTE DE LA ONDA DE UNA SEÑAL DE VIDEO COMPUESTA (100). EL NIVEL (ST2) DE LA PUNTA DE SINCRONIZACION SE USA PARA ACTUALIZAR UNA SEÑAL DE PUNTA DE SINCRONIZACION (ST), EL NIVEL DE LA PUNTA DE SINCRONIZACION ES MENOR QUE EL DE LA SEÑAL DE PUNTA DE SINCRONIZACION. UNA SEÑAL DE SALIDA CRONOMETRADA (TO) SE GENERA (POR 30) EN EL FINAL DE UN INTERVALO DE SALIDA CRONOMETRADA QUE HA TRANSCURRIDO DESDE QUE EL ULTIMO TIEMPO DE SEÑAL DE PUNTA DE SINCRONIZACION FUERA ACTUALIZADO, CON TAL QUE LA SEÑAL DE PUNTA DE SINCRONIZACION NO FUERA ACTUALIZADA DENTRO DE DICHO INTERVALO DE TIEMPO DE SALIDA. LA SEÑAL DE TIEMPO DE SALIDA SE USA PARA ACTUALIZAR LA SEÑAL DE PUNTA DE SINCRONIZACION. LA SEÑAL DE PUNTA DE SINCRONIZACION SE ACTUALIZA DE ACUERDO CON EL PULSO DE SINCRONIZACION QUE TIENE LUGAR DURANTE EL INTERVALO DE TIEMPO DE SALIDA, TENIENDO LA PUNTA DE SINCRONIZACION DE NIVEL MAS BAJA. LA INFORMACION OBTENIDA DE LA PUNTA DE SINCRONIZACION Y LAS PARTES DE REENTRADA DEL PULSO DE SINCRONIZACION CORRESPONDIENTE SE USAN PARA GENERAR UNA SEÑAL DE NIVEL PARTIDO QUE SEPARA UNA SEÑAL DE SINCRONIZACION DE LA SEÑAL DE VIDEO COMPUESTO.
ES198787303841T 1986-04-30 1987-04-29 Separador de senales de sincronismo. Expired - Lifetime ES2041682T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/857,320 US4697211A (en) 1986-04-30 1986-04-30 Sync separator with periodic updating

Publications (1)

Publication Number Publication Date
ES2041682T3 true ES2041682T3 (es) 1993-12-01

Family

ID=25325722

Family Applications (1)

Application Number Title Priority Date Filing Date
ES198787303841T Expired - Lifetime ES2041682T3 (es) 1986-04-30 1987-04-29 Separador de senales de sincronismo.

Country Status (7)

Country Link
US (1) US4697211A (es)
EP (1) EP0244240B1 (es)
JP (1) JP2514968B2 (es)
AT (1) ATE91578T1 (es)
CA (1) CA1269450A (es)
DE (1) DE3786485T2 (es)
ES (1) ES2041682T3 (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4860251A (en) * 1986-11-17 1989-08-22 Sun Microsystems, Inc. Vertical blanking status flag indicator system
EP0307512B1 (de) * 1987-09-08 1992-07-22 Deutsche ITT Industries GmbH Digitale Daten-Slicer-Schaltung für Teletextsignale
US4812907A (en) * 1987-12-31 1989-03-14 Zenith Electronics Corporation Sync pulse separator system
US5031041A (en) * 1989-04-20 1991-07-09 Thomson Consumer Electronics, Inc. Digital detector/filter for synchronizing signals
DE3931860A1 (de) * 1989-09-23 1991-04-04 Philips Patentverwaltung Synchronsignal-detektor
DE3931861A1 (de) * 1989-09-23 1991-04-04 Philips Patentverwaltung Digitale schaltungsanordnung zur detektion von synchronisations-impulsen
ES2084079T3 (es) * 1991-09-27 1996-05-01 Siemens Ag Aparato para el procesamiento de señales de video divididas en lineas con una fase de separacion sincrona digital.
US6836549B1 (en) * 1998-09-02 2004-12-28 Macrovision Corporation Method and apparatus for synthesizing and reducing the effects of video copy protection signals

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7000743A (es) * 1970-01-19 1971-07-21
US4185299A (en) * 1978-08-18 1980-01-22 Rca Corporation Synchronization signal separator circuit
NL8104533A (nl) * 1981-10-06 1983-05-02 Philips Nv Synchroniseerschakeling voor het afleiden en verwerken van een, in een inkomend videosignaal aanwezig synchroniseersignaal.
JPS58186270A (ja) * 1982-04-23 1983-10-31 Victor Co Of Japan Ltd 同期分離回路
JPS5923971A (ja) * 1982-07-30 1984-02-07 Toshiba Corp デジタルテレビジヨン受像機
NL8401955A (nl) * 1984-06-20 1986-01-16 Philips Nv Schakeling voor het afleiden van een in een inkomend videosignaal aanwezig synchroniseersignaal.

Also Published As

Publication number Publication date
US4697211A (en) 1987-09-29
JPS62263775A (ja) 1987-11-16
EP0244240A2 (en) 1987-11-04
EP0244240A3 (en) 1989-01-25
CA1269450A (en) 1990-05-22
DE3786485T2 (de) 1994-02-10
DE3786485D1 (de) 1993-08-19
ATE91578T1 (de) 1993-07-15
JP2514968B2 (ja) 1996-07-10
EP0244240B1 (en) 1993-07-14

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