FR997740A - Perfectionnements aux discriminateurs de tensions modulées en fréquence - Google Patents

Perfectionnements aux discriminateurs de tensions modulées en fréquence

Info

Publication number
FR997740A
FR997740A FR997740DA FR997740A FR 997740 A FR997740 A FR 997740A FR 997740D A FR997740D A FR 997740DA FR 997740 A FR997740 A FR 997740A
Authority
FR
France
Prior art keywords
frequency modulated
modulated voltage
voltage discriminators
discriminators
frequency
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.)
Expired
Application number
Other languages
English (en)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR997740A publication Critical patent/FR997740A/fr
Expired legal-status Critical Current

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
    • H03D3/08—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 diodes, e.g. Foster-Seeley discriminator

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplitude Modulation (AREA)
FR997740D 1948-10-28 1949-10-20 Perfectionnements aux discriminateurs de tensions modulées en fréquence Expired FR997740A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US57025A US2539818A (en) 1948-10-28 1948-10-28 Frequency modulation detector

Publications (1)

Publication Number Publication Date
FR997740A true FR997740A (fr) 1952-01-09

Family

ID=22008033

Family Applications (1)

Application Number Title Priority Date Filing Date
FR997740D Expired FR997740A (fr) 1948-10-28 1949-10-20 Perfectionnements aux discriminateurs de tensions modulées en fréquence

Country Status (3)

Country Link
US (1) US2539818A (fr)
BE (1) BE491864A (fr)
FR (1) FR997740A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE809672C (de) * 1948-12-02 1951-08-02 Philips Nv Schaltung zur Demodulation einer frequenzmodulierten Schwingung
US2669655A (en) * 1949-04-16 1954-02-16 Gen Electric Balanced phase detector
US2722605A (en) * 1953-01-07 1955-11-01 Socony Mobil Oil Co Inc Balanced phase discriminator
US2871349A (en) * 1954-07-14 1959-01-27 Jonas M Shapiro Discriminator circuit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR955303A (fr) * 1942-02-12 1950-01-14
US2412482A (en) * 1944-08-10 1946-12-10 Rca Corp Discriminator-rectifier circuits

Also Published As

Publication number Publication date
BE491864A (fr)
US2539818A (en) 1951-01-30

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