IT986044B - Demodulatore a modulazione di velocita per un oscillazione portante a modulazione di fre quenza o di fase - Google Patents

Demodulatore a modulazione di velocita per un oscillazione portante a modulazione di fre quenza o di fase

Info

Publication number
IT986044B
IT986044B IT1982873A IT1982873A IT986044B IT 986044 B IT986044 B IT 986044B IT 1982873 A IT1982873 A IT 1982873A IT 1982873 A IT1982873 A IT 1982873A IT 986044 B IT986044 B IT 986044B
Authority
IT
Italy
Prior art keywords
freq
modulated carrier
phase modulated
speed modulation
modulation demodulator
Prior art date
Application number
IT1982873A
Other languages
English (en)
Italian (it)
Original Assignee
Ted Bildplatten
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, Aeg Telefunken Teldec filed Critical Ted Bildplatten
Application granted granted Critical
Publication of IT986044B publication Critical patent/IT986044B/it

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)
IT1982873A 1972-02-12 1973-01-31 Demodulatore a modulazione di velocita per un oscillazione portante a modulazione di fre quenza o di fase IT986044B (it)

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 (1)

Publication Number Publication Date
IT986044B true IT986044B (it) 1975-01-10

Family

ID=5835815

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1982873A IT986044B (it) 1972-02-12 1973-01-31 Demodulatore a modulazione di velocita per un oscillazione portante a modulazione di fre quenza o di fase

Country Status (6)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56124283U (de) * 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
FR2171440B1 (de) 1976-05-14
FR2171440A1 (de) 1973-09-21
GB1413633A (en) 1975-11-12
DD103992A1 (de) 1974-02-12
JPS5652365B2 (de) 1981-12-11
JPS4890454A (de) 1973-11-26
DE2206704B1 (de) 1973-08-30

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