FR2778053B1 - Demodulateur de signal de chrominance secam a deux voies rouge>bleu et a oscillateur unique - Google Patents

Demodulateur de signal de chrominance secam a deux voies rouge>bleu et a oscillateur unique

Info

Publication number
FR2778053B1
FR2778053B1 FR9805187A FR9805187A FR2778053B1 FR 2778053 B1 FR2778053 B1 FR 2778053B1 FR 9805187 A FR9805187 A FR 9805187A FR 9805187 A FR9805187 A FR 9805187A FR 2778053 B1 FR2778053 B1 FR 2778053B1
Authority
FR
France
Prior art keywords
blue
chrominance signal
signal demodulator
single oscillator
red channels
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
FR9805187A
Other languages
English (en)
Other versions
FR2778053A1 (fr
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.)
STMicroelectronics SA
Original Assignee
SGS Thomson Microelectronics SA
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 filed Critical SGS Thomson Microelectronics SA
Priority to FR9805187A priority Critical patent/FR2778053B1/fr
Priority to US09/288,349 priority patent/US6151080A/en
Publication of FR2778053A1 publication Critical patent/FR2778053A1/fr
Application granted granted Critical
Publication of FR2778053B1 publication Critical patent/FR2778053B1/fr
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)
  • Processing Of Color Television Signals (AREA)
FR9805187A 1998-04-24 1998-04-24 Demodulateur de signal de chrominance secam a deux voies rouge>bleu et a oscillateur unique Expired - Lifetime FR2778053B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9805187A FR2778053B1 (fr) 1998-04-24 1998-04-24 Demodulateur de signal de chrominance secam a deux voies rouge>bleu et a oscillateur unique
US09/288,349 US6151080A (en) 1998-04-24 1999-04-08 Secam chrominance signal demodulator with two red-blue channels and a single oscillator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9805187A FR2778053B1 (fr) 1998-04-24 1998-04-24 Demodulateur de signal de chrominance secam a deux voies rouge>bleu et a oscillateur unique

Publications (2)

Publication Number Publication Date
FR2778053A1 FR2778053A1 (fr) 1999-10-29
FR2778053B1 true FR2778053B1 (fr) 2000-07-21

Family

ID=9525658

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9805187A Expired - Lifetime FR2778053B1 (fr) 1998-04-24 1998-04-24 Demodulateur de signal de chrominance secam a deux voies rouge>bleu et a oscillateur unique

Country Status (2)

Country Link
US (1) US6151080A (fr)
FR (1) FR2778053B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2778052B1 (fr) * 1998-04-24 2000-07-21 Sgs Thomson Microelectronics Demodulateur, en particulier de signal de chrominance secam, a double ajustage en frequence
US6943847B2 (en) * 2001-08-31 2005-09-13 Texas Instruments Incorporated FM demodulator for SECAM decoder
KR101216393B1 (ko) * 2010-05-13 2012-12-28 주식회사 실리콘웍스 터치스크린의 정전용량 측정회로 및 방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
FR2589303B1 (fr) * 1985-10-25 1987-11-20 Thomson Csf Demodulateur de chrominance secam
NL8801143A (nl) * 1988-05-02 1989-12-01 Philips Nv Frequentiedemodulatieschakeling.
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

Also Published As

Publication number Publication date
FR2778053A1 (fr) 1999-10-29
US6151080A (en) 2000-11-21

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