FR2265216A1 - Demodulator for F.M. auxiliary colour carrier - with signal to be demodulated applied to two inputs of a multiplier - Google Patents

Demodulator for F.M. auxiliary colour carrier - with signal to be demodulated applied to two inputs of a multiplier

Info

Publication number
FR2265216A1
FR2265216A1 FR7508984A FR7508984A FR2265216A1 FR 2265216 A1 FR2265216 A1 FR 2265216A1 FR 7508984 A FR7508984 A FR 7508984A FR 7508984 A FR7508984 A FR 7508984A FR 2265216 A1 FR2265216 A1 FR 2265216A1
Authority
FR
France
Prior art keywords
multiplier
signal
delay time
delay line
demodulated
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
FR7508984A
Other languages
English (en)
French (fr)
Other versions
FR2265216B1 (https=
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of FR2265216A1 publication Critical patent/FR2265216A1/fr
Application granted granted Critical
Publication of FR2265216B1 publication Critical patent/FR2265216B1/fr
Granted 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Processing Of Color Television Signals (AREA)
  • Color Television Systems (AREA)
FR7508984A 1974-03-22 1975-03-21 Demodulator for F.M. auxiliary colour carrier - with signal to be demodulated applied to two inputs of a multiplier Granted FR2265216A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742413917 DE2413917C2 (de) 1974-03-22 1974-03-22 Demodulatorschaltung für frequenzmodulierte Hilfsträger bei Farbfernsehsignalen

Publications (2)

Publication Number Publication Date
FR2265216A1 true FR2265216A1 (en) 1975-10-17
FR2265216B1 FR2265216B1 (https=) 1982-03-05

Family

ID=5910907

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7508984A Granted FR2265216A1 (en) 1974-03-22 1975-03-21 Demodulator for F.M. auxiliary colour carrier - with signal to be demodulated applied to two inputs of a multiplier

Country Status (3)

Country Link
DE (1) DE2413917C2 (https=)
FR (1) FR2265216A1 (https=)
SU (1) SU644409A3 (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2510324A1 (fr) * 1981-07-24 1983-01-28 Radiotechnique Procede de demodulation d'un signal module en frequence, et demodulateur selon ce procede
EP0340846A1 (en) * 1988-05-02 1989-11-08 Koninklijke Philips Electronics N.V. Frequency demodulation circuit

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4287530A (en) * 1980-05-09 1981-09-01 Motorola Inc. Demodulator system including a tunable discriminator suitable for use in a secam television receiver
US4451792A (en) * 1981-10-23 1984-05-29 Motorola, Inc. Auto-tuned frequency discriminator
DE3243014C2 (de) * 1982-11-20 1985-01-24 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Schaltungsanordnung zur Demodulation von SECAM-Farbdifferenzsignalen
DE3342181C2 (de) * 1983-11-23 1986-03-06 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Integrierte Schaltung für den Farbdecoder eines Fernsehempfängers

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1815793A1 (de) * 1968-12-19 1970-07-02 Siemens Ag Schaltungsanordnung fuer einen FM-Demodulator
DE2113937A1 (de) * 1971-03-23 1972-09-28 Standard Elek K Lorenz Ag SECAM-Dekoder
GB1376296A (en) * 1971-05-07 1974-12-04 Rca Corp Secam decoder
DE2157297B2 (de) * 1971-11-18 1978-02-23 Standard Elektrik Lorenz Ag, 7000 Stuttgart Dekoderschaltung fuer secam-farbfernsehsignale

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2510324A1 (fr) * 1981-07-24 1983-01-28 Radiotechnique Procede de demodulation d'un signal module en frequence, et demodulateur selon ce procede
EP0071294A1 (fr) * 1981-07-24 1983-02-09 LA RADIOTECHNIQUE, Société Anonyme dite: Démodulateur de fréquence
EP0340846A1 (en) * 1988-05-02 1989-11-08 Koninklijke Philips Electronics N.V. Frequency demodulation circuit

Also Published As

Publication number Publication date
FR2265216B1 (https=) 1982-03-05
DE2413917C2 (de) 1984-08-02
SU644409A3 (ru) 1979-01-25
DE2413917A1 (de) 1975-10-02

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Legal Events

Date Code Title Description
ST Notification of lapse