CH250538A - Dispositif discriminateur de fréquence. - Google Patents

Dispositif discriminateur de fréquence.

Info

Publication number
CH250538A
CH250538A CH250538DA CH250538A CH 250538 A CH250538 A CH 250538A CH 250538D A CH250538D A CH 250538DA CH 250538 A CH250538 A CH 250538A
Authority
CH
Switzerland
Prior art keywords
frequency discriminator
discriminator device
frequency
discriminator
Prior art date
Application number
Other languages
English (en)
Inventor
Limited Marconi S Wire Company
Original Assignee
Marconi Wireless Telegraph Co
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 Marconi Wireless Telegraph Co filed Critical Marconi Wireless Telegraph Co
Publication of CH250538A publication Critical patent/CH250538A/fr

Links

Classifications

    • 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
    • H03D3/06—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators
    • H03D3/12—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators by means of discharge tubes having more than two electrodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • 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
    • H03D3/06—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators
    • H03D3/16—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators by means of electromechanical resonators

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electrotherapy Devices (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CH250538D 1942-12-04 1943-12-04 Dispositif discriminateur de fréquence. CH250538A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB250538X 1942-12-04

Publications (1)

Publication Number Publication Date
CH250538A true CH250538A (fr) 1947-08-31

Family

ID=10221466

Family Applications (1)

Application Number Title Priority Date Filing Date
CH250538D CH250538A (fr) 1942-12-04 1943-12-04 Dispositif discriminateur de fréquence.

Country Status (4)

Country Link
US (1) US2374729A (fr)
BE (1) BE468369A (fr)
CH (1) CH250538A (fr)
GB (2) GB561954A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2502396A (en) * 1946-09-11 1950-03-28 Collins Radio Co Automatic control of radio transmitters and the like

Also Published As

Publication number Publication date
US2374729A (en) 1945-05-01
GB590210A (en) 1947-07-10
BE468369A (fr)
GB561954A (en) 1944-06-12

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