AT240438B - Vorrichtung zum Demodulieren einer frequenzmodulierten Trägerwelle - Google Patents

Vorrichtung zum Demodulieren einer frequenzmodulierten Trägerwelle

Info

Publication number
AT240438B
AT240438B AT839763A AT839763A AT240438B AT 240438 B AT240438 B AT 240438B AT 839763 A AT839763 A AT 839763A AT 839763 A AT839763 A AT 839763A AT 240438 B AT240438 B AT 240438B
Authority
AT
Austria
Prior art keywords
demodulating
frequency
carrier wave
modulated carrier
modulated
Prior art date
Application number
AT839763A
Other languages
English (en)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of AT240438B publication Critical patent/AT240438B/de

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
    • H04N5/91—Television signal processing therefor
    • H04N5/93—Regeneration of the television signal or of selected parts thereof
    • H04N5/94—Signal drop-out compensation
    • 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
    • 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
    • H03D3/24—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits
    • 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
    • H03D3/24—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits
    • H03D3/241—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
AT839763A 1962-10-24 1963-10-21 Vorrichtung zum Demodulieren einer frequenzmodulierten Trägerwelle AT240438B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL284679 1962-10-24

Publications (1)

Publication Number Publication Date
AT240438B true AT240438B (de) 1965-05-25

Family

ID=19754191

Family Applications (1)

Application Number Title Priority Date Filing Date
AT839763A AT240438B (de) 1962-10-24 1963-10-21 Vorrichtung zum Demodulieren einer frequenzmodulierten Trägerwelle

Country Status (8)

Country Link
US (1) US3312782A (de)
AT (1) AT240438B (de)
BE (1) BE639028A (de)
CH (1) CH431637A (de)
DE (1) DE1284445B (de)
ES (1) ES292745A1 (de)
GB (1) GB1019504A (de)
NL (1) NL284679A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6402128A (de) * 1964-03-04 1965-09-06
GB1421093A (en) * 1974-05-09 1976-01-14 Mullard Ltd Frequency discriminator circuit arrangement

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2373546A (en) * 1942-06-10 1945-04-10 Rca Corp Phase modulation detector circuits
US2513763A (en) * 1945-01-04 1950-07-04 Rca Corp Locked-in oscillator circuit
GB650743A (en) * 1946-12-05 1951-02-28 Philips Nv Improvements in automatic frequency-correction circuit-arrangements
DE1100689B (de) * 1959-10-23 1961-03-02 Kienzle Apparate Gmbh Elektronischer Koordinatenschalter
FR1273631A (fr) * 1959-11-20 1961-10-13 Tokyo Shibaura Electric Co Systèmes pour empêcher des <manques> dans une reproduction d'un ruban vidéo

Also Published As

Publication number Publication date
GB1019504A (en) 1966-02-09
US3312782A (en) 1967-04-04
DE1284445B (de) 1968-12-05
BE639028A (de)
NL284679A (de)
CH431637A (de) 1967-03-15
ES292745A1 (es) 1963-12-01

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