FR2408961A1 - Procede et montage pour decoder les signaux pour les systemes de television en couleurs secam et pal avec commutation automatique - Google Patents

Procede et montage pour decoder les signaux pour les systemes de television en couleurs secam et pal avec commutation automatique

Info

Publication number
FR2408961A1
FR2408961A1 FR7733796A FR7733796A FR2408961A1 FR 2408961 A1 FR2408961 A1 FR 2408961A1 FR 7733796 A FR7733796 A FR 7733796A FR 7733796 A FR7733796 A FR 7733796A FR 2408961 A1 FR2408961 A1 FR 2408961A1
Authority
FR
France
Prior art keywords
secam
pal
signals
chromatic
frequency
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.)
Granted
Application number
FR7733796A
Other languages
English (en)
Other versions
FR2408961B3 (fr
Inventor
Apostol Milchev Apostolov
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.)
INST RADIOELEKTRONIKA
Original Assignee
INST RADIOELEKTRONIKA
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 INST RADIOELEKTRONIKA filed Critical INST RADIOELEKTRONIKA
Publication of FR2408961A1 publication Critical patent/FR2408961A1/fr
Application granted granted Critical
Publication of FR2408961B3 publication Critical patent/FR2408961B3/fr
Granted 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)
  • Color Television Systems (AREA)
  • Processing Of Color Television Signals (AREA)

Abstract

CE PROCEDE SE CARACTERISE EN CE QUE LES IMPULSIONS D'IDENTIFICATION DES SIGNAUX DE DIFFERENCE DE COULEURS R-Y ET B-Y QUI SONT TRANSMISES PENDANT LES IMPULSIONS DE SYNCHRONISATION VERTICALE SELON LE SYSTEME SECAM, SONT UTILISEES POUR IDENTIFIER LA NATURE DUSIGNAL DE TELEVISION COMPLET RECU, C'EST-A-DIRE, S'IL S'AGIT D'UN SIGNAL PAL OU SECAM, EN CE QU'ON LES SEPARE SELECTIVEMENT ET PAR DECLENCHEMENT, SELON LEUR FREQUENCE, DU SIGNAL DE TELEVISION COMPLET, ON LES AMPLIFIE ET ON LEUR FAIT SUBIR UNE DEMODULATION DE FREQUENCE AVANT DE LES UTILISER POUR FORMER DES TENSIONS DE COMMANDE A L'AIDE DESQUELLES LE SIGNAL DE COULEUR EST COMMUTE VERS LE DEMODULATEUR CORRESPONDANT PAL OU SECAM.
FR7733796A 1977-10-28 1977-11-09 Procede et montage pour decoder les signaux pour les systemes de television en couleurs secam et pal avec commutation automatique Granted FR2408961A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772748465 DE2748465A1 (de) 1977-10-28 1977-10-28 Verfahren und einrichtung fuer die decodierung von signalen fuer das farbige fernsehen nach den systemen pal und secam mit selbsttaetiger kommutierung

Publications (2)

Publication Number Publication Date
FR2408961A1 true FR2408961A1 (fr) 1979-06-08
FR2408961B3 FR2408961B3 (fr) 1980-08-08

Family

ID=6022553

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7733796A Granted FR2408961A1 (fr) 1977-10-28 1977-11-09 Procede et montage pour decoder les signaux pour les systemes de television en couleurs secam et pal avec commutation automatique

Country Status (4)

Country Link
BE (1) BE860464A (fr)
DE (1) DE2748465A1 (fr)
FR (1) FR2408961A1 (fr)
NL (1) NL7712110A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2575353A1 (fr) * 1984-12-26 1986-06-27 Radiotechnique Sa Dispositif pour l'indentification des signaux de couleur dans un televiseur au standard secam

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3037196C1 (de) * 1980-10-02 1982-02-11 Saba Gmbh, 7730 Villingen-Schwenningen Verfahren zur automatischen Sendersuche bei Fernsehempfaengern zum Empfang von PAL- und SECAM-Signalen
JPS57192190A (en) * 1981-05-21 1982-11-26 Sony Corp Processing circuit for chrominance signal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2575353A1 (fr) * 1984-12-26 1986-06-27 Radiotechnique Sa Dispositif pour l'indentification des signaux de couleur dans un televiseur au standard secam

Also Published As

Publication number Publication date
DE2748465A1 (de) 1979-05-03
NL7712110A (nl) 1979-05-07
BE860464A (fr) 1978-03-01
FR2408961B3 (fr) 1980-08-08

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Legal Events

Date Code Title Description
ST Notification of lapse