ES2067189T3 - Procedimiento de identificacion automatica de un standard de television en color. - Google Patents

Procedimiento de identificacion automatica de un standard de television en color.

Info

Publication number
ES2067189T3
ES2067189T3 ES91420035T ES91420035T ES2067189T3 ES 2067189 T3 ES2067189 T3 ES 2067189T3 ES 91420035 T ES91420035 T ES 91420035T ES 91420035 T ES91420035 T ES 91420035T ES 2067189 T3 ES2067189 T3 ES 2067189T3
Authority
ES
Spain
Prior art keywords
produce
signal
criteria
demodulation
automatic identification
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
ES91420035T
Other languages
English (en)
Inventor
Michel Imbert
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.)
STMicroelectronics SA
STMicroelectronics lnc USA
Original Assignee
SGS Thomson Microelectronics SA
SGS Thomson Microelectronics Inc
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 SGS Thomson Microelectronics SA, SGS Thomson Microelectronics Inc filed Critical SGS Thomson Microelectronics SA
Application granted granted Critical
Publication of ES2067189T3 publication Critical patent/ES2067189T3/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
    • H04N9/64—Circuits for processing colour signals
    • H04N9/642—Multi-standard receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Color Television Systems (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)

Abstract

LA PRESENTE INVENCION SE REFIERE A UN PROCESO DE IDENTIFICACION AUTOMATICO DE UN ESTANDAR DE TELEVISION EN COLOR PAL O NTSC, SE COMPONE DE LAS ETAPAS SIGUIENTES: PRODUCIR UNA PRIMERA SEÑAL DE DEMODULACION (IC1) CON LA SUB-PORTADORA REGENERADA FASE A 90 ; PRODUCIR UNA SEGUNDA SEÑAL DE DEMODULACION DE UNO DE LOS COLORES (FOR) DEL ESTANDAR SECAM; PRODUCIR UNA PRIMERA TENSION (VC1) QUE INTEGRA LA PRIMERA SEÑAL (IC1) Y PRODUCIR UN PRIMER CRITERIO LOGICO (1) ASOCIADO, APLICAR EN PARALELO (IC1) A LA ENTRADA DE UN INVERSOR CONMUTADO A LA CADENCIA DE UNA SEÑAL QUE NO ESTA EN FASE CON LA MITAD DE LA FRECUENCIA DE LINEAS (FL/2), PRODUCIR UNA SEGUNDA TENSION (VC2) QUE INTEGRA LA SEÑAL DE SALIDA (ICC) DEL INVERSOR (31), Y PRODUCIR UN SEGUNDO CRITERIO LOGICO (C2) ASOCIADO; PRODUCIR DE LA MISMA FORMA A PARTIR DE LA SEGUNDA SEÑAL DE DEMODULACION (IC2) EL PRIMER CRITERIO LOGICO (C1) Y EL SEGUNDO CRITERIO LOGICO (C2); E IDENTIFICAR EL ESTANDAR RECIBIDO EN FUNCION DEL ESTADO DEL PRIMER Y SEGUNDO CRITERIOS (C1Y C2).
ES91420035T 1990-02-06 1991-02-04 Procedimiento de identificacion automatica de un standard de television en color. Expired - Lifetime ES2067189T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9001623A FR2658023B1 (fr) 1990-02-06 1990-02-06 Procede d'identification automatique d'un standard de television couleur.

Publications (1)

Publication Number Publication Date
ES2067189T3 true ES2067189T3 (es) 1995-03-16

Family

ID=9393610

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91420035T Expired - Lifetime ES2067189T3 (es) 1990-02-06 1991-02-04 Procedimiento de identificacion automatica de un standard de television en color.

Country Status (6)

Country Link
US (1) US5192997A (es)
EP (1) EP0441723B1 (es)
JP (1) JP2956233B2 (es)
DE (1) DE69106400T2 (es)
ES (1) ES2067189T3 (es)
FR (1) FR2658023B1 (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR930015760A (ko) * 1991-12-31 1993-07-24 강진구 텔레비젼모드 자동변환장치
GB9206887D0 (en) * 1992-03-30 1992-05-13 Snell & Wilcox Ltd Video storage
DE4410008C1 (de) * 1994-03-23 1995-05-04 Telefunken Microelectron Schaltungsanordnung zur digitalen Sendenormidentifikation
DE19618350A1 (de) * 1996-05-08 1997-11-13 Thomson Brandt Gmbh Verfahren und Schaltungsanordnung zum Unterscheiden zwischen Standard- und Nicht-Standard-FBAS-Signalen
FR2856873B1 (fr) * 2003-06-30 2005-09-16 St Microelectronics Sa Systeme de reception d'un signal video
JP3711994B2 (ja) * 2003-12-03 2005-11-02 セイコーエプソン株式会社 映像信号判別装置および映像信号判別方法
KR101017371B1 (ko) * 2004-03-22 2011-02-28 삼성전자주식회사 방송 방식 자동 판별 장치 및 방법
US8212926B2 (en) * 2007-09-04 2012-07-03 Himax Technologies Limited TV signal determining system, TV signal processing system utilizing which and method thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4688082A (en) * 1984-05-23 1987-08-18 Sharp Kabushiki Kaisha Multi-system television receiver
US5119177A (en) * 1989-07-31 1992-06-02 Goldstar Co., Ltd. Automatic 3-mode switching circuit of a color television set

Also Published As

Publication number Publication date
JPH0514933A (ja) 1993-01-22
FR2658023A1 (fr) 1991-08-09
JP2956233B2 (ja) 1999-10-04
EP0441723A1 (fr) 1991-08-14
DE69106400T2 (de) 1995-07-20
EP0441723B1 (fr) 1995-01-04
FR2658023B1 (fr) 1992-05-29
DE69106400D1 (de) 1995-02-16
US5192997A (en) 1993-03-09

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