DE69929946D1 - Demodulator, insbesondere von SECAM-Chrominanzsignal, mit Frequenzdoppelabstimmungsvorrichtung - Google Patents

Demodulator, insbesondere von SECAM-Chrominanzsignal, mit Frequenzdoppelabstimmungsvorrichtung

Info

Publication number
DE69929946D1
DE69929946D1 DE69929946T DE69929946T DE69929946D1 DE 69929946 D1 DE69929946 D1 DE 69929946D1 DE 69929946 T DE69929946 T DE 69929946T DE 69929946 T DE69929946 T DE 69929946T DE 69929946 D1 DE69929946 D1 DE 69929946D1
Authority
DE
Germany
Prior art keywords
demodulator
chrominance signal
tuning device
frequency double
double tuning
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
DE69929946T
Other languages
English (en)
Inventor
Didier Salle
Gerard Bret
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.)
NORBERT BEYRARD FRANCE SARL DI
Original Assignee
NORBERT BEYRARD FRANCE SARL DI
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 NORBERT BEYRARD FRANCE SARL DI filed Critical NORBERT BEYRARD FRANCE SARL DI
Application granted granted Critical
Publication of DE69929946D1 publication Critical patent/DE69929946D1/de
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
    • H04N11/00—Colour television systems
    • H04N11/06—Transmission systems characterised by the manner in which the individual colour picture signal components are combined
    • H04N11/18—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous and sequential signals, e.g. SECAM-system
    • H04N11/186—Decoding means therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
DE69929946T 1998-04-24 1999-04-20 Demodulator, insbesondere von SECAM-Chrominanzsignal, mit Frequenzdoppelabstimmungsvorrichtung Expired - Lifetime DE69929946D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9805186A FR2778052B1 (fr) 1998-04-24 1998-04-24 Demodulateur, en particulier de signal de chrominance secam, a double ajustage en frequence

Publications (1)

Publication Number Publication Date
DE69929946D1 true DE69929946D1 (de) 2006-04-27

Family

ID=9525657

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69929946T Expired - Lifetime DE69929946D1 (de) 1998-04-24 1999-04-20 Demodulator, insbesondere von SECAM-Chrominanzsignal, mit Frequenzdoppelabstimmungsvorrichtung

Country Status (4)

Country Link
US (1) US6433837B1 (de)
EP (1) EP0952740B1 (de)
DE (1) DE69929946D1 (de)
FR (1) FR2778052B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2379104A (en) * 2001-08-21 2003-02-26 Zarlink Semiconductor Ltd Voltage controlled oscillators

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2428362A1 (fr) * 1978-06-09 1980-01-04 Thomson Csf Circuit de decodage des informations de chrominance, dans le systeme de television secam, et recepteur de television comportant un tel circuit
FR2472302A1 (fr) * 1979-12-21 1981-06-26 Thomson Csf Circuit a asservissement de phase, et dispositif comportant un tel circuit notamment pour la television
DE3243014C2 (de) * 1982-11-20 1985-01-24 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Schaltungsanordnung zur Demodulation von SECAM-Farbdifferenzsignalen
NL8801143A (nl) * 1988-05-02 1989-12-01 Philips Nv Frequentiedemodulatieschakeling.
FR2666952A1 (fr) * 1990-09-18 1992-03-20 Sgs Thomson Microelectronics Decodeur secam.
DE4113646A1 (de) * 1991-04-26 1992-10-29 Philips Patentverwaltung Schaltungsanordung zum demodulieren eines farbsignals in einem fernsehsignal
JP3123865B2 (ja) * 1993-11-17 2001-01-15 三洋電機株式会社 Ｓｅｃａｍ色信号復調器
FR2726422B1 (fr) * 1994-10-31 1997-01-17 Sgs Thomson Microelectronics Detecteur de reception d'un signal de television couleur code selon la norme secam
JP3118395B2 (ja) * 1995-08-25 2000-12-18 三洋電機株式会社 クロマ信号処理装置
DE19602187A1 (de) * 1996-01-23 1997-07-24 Philips Patentverwaltung Bild-ZF-Demodulatorschaltung mit variabler ZF-Verstärkungsregelung
FR2777139B1 (fr) * 1998-04-06 2001-11-16 Sgs Thomson Microelectronics Oscillateur a frequence controlee en courant, a reponse rapide
FR2778053B1 (fr) * 1998-04-24 2000-07-21 Sgs Thomson Microelectronics Demodulateur de signal de chrominance secam a deux voies rouge>bleu et a oscillateur unique

Also Published As

Publication number Publication date
FR2778052B1 (fr) 2000-07-21
FR2778052A1 (fr) 1999-10-29
EP0952740A1 (de) 1999-10-27
EP0952740B1 (de) 2006-02-22
US6433837B1 (en) 2002-08-13

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Legal Events

Date Code Title Description
8332 No legal effect for de