FR2171440B1 - - Google Patents

Info

Publication number
FR2171440B1
FR2171440B1 FR7304912A FR7304912A FR2171440B1 FR 2171440 B1 FR2171440 B1 FR 2171440B1 FR 7304912 A FR7304912 A FR 7304912A FR 7304912 A FR7304912 A FR 7304912A FR 2171440 B1 FR2171440 B1 FR 2171440B1
Authority
FR
France
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
Application number
FR7304912A
Other versions
FR2171440A1 (fr
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.)
TED Bildplatten AG AEG Telefunken Teldec
Original Assignee
TED Bildplatten AG AEG Telefunken Teldec
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
Priority claimed from DE19722206704 external-priority patent/DE2206704C/de
Application filed by TED Bildplatten AG AEG Telefunken Teldec filed Critical TED Bildplatten AG AEG Telefunken Teldec
Publication of FR2171440A1 publication Critical patent/FR2171440A1/fr
Application granted granted Critical
Publication of FR2171440B1 publication Critical patent/FR2171440B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/7605—Television signal recording on discs or drums
    • 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
    • H03D3/18—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by means of synchronous gating arrangements
    • H03D3/20—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by means of synchronous gating arrangements producing pulses whose amplitude or duration depends on phase difference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Television Signal Processing For Recording (AREA)
FR7304912A 1972-02-12 1973-02-12 Expired FR2171440B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722206704 DE2206704C (de) 1972-02-12 Laufzeitdemodulator für eine frequenz- oder phasenmodulierte Trägerschwingung und dessen Verwendung bei der Abtastung von Aufzeichnungsträgern

Publications (2)

Publication Number Publication Date
FR2171440A1 FR2171440A1 (fr) 1973-09-21
FR2171440B1 true FR2171440B1 (fr) 1976-05-14

Family

ID=5835815

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7304912A Expired FR2171440B1 (fr) 1972-02-12 1973-02-12

Country Status (6)

Country Link
JP (1) JPS5652365B2 (fr)
DD (1) DD103992A1 (fr)
DE (1) DE2206704B1 (fr)
FR (1) FR2171440B1 (fr)
GB (1) GB1413633A (fr)
IT (1) IT986044B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56124283U (fr) * 1980-02-25 1981-09-21
JPS5765902A (en) * 1980-10-13 1982-04-21 Victor Co Of Japan Ltd Fm demodulating circuit
FR2502422A1 (fr) * 1981-03-17 1982-09-24 Thomson Csf Demodulateur d'un signal module en frequence et systeme de television comportant un tel demodulateur

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2087429A (en) * 1935-06-06 1937-07-20 Rca Corp Phase and frequency modulation wave receiving system
DE872229C (de) * 1951-05-31 1953-04-13 Siemens Ag Schaltung zur Umwandlung von Frequenzaenderungen einer Schwingung in entsprechend diesen AEnderungen verlaufende Strom- oder Spannungsschwankungen

Also Published As

Publication number Publication date
IT986044B (it) 1975-01-10
FR2171440A1 (fr) 1973-09-21
DE2206704B1 (de) 1973-08-30
GB1413633A (en) 1975-11-12
JPS4890454A (fr) 1973-11-26
JPS5652365B2 (fr) 1981-12-11
DD103992A1 (fr) 1974-02-12

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Legal Events

Date Code Title Description
ST Notification of lapse