CH267012A - Schaltung zum Detektieren frequenzmodulierter Schwingungen. - Google Patents

Schaltung zum Detektieren frequenzmodulierter Schwingungen.

Info

Publication number
CH267012A
CH267012A CH267012DA CH267012A CH 267012 A CH267012 A CH 267012A CH 267012D A CH267012D A CH 267012DA CH 267012 A CH267012 A CH 267012A
Authority
CH
Switzerland
Prior art keywords
circuit
detecting frequency
modulated vibrations
vibrations
modulated
Prior art date
Application number
Other languages
English (en)
Inventor
Gloeilampenfabrieken N Philips
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
Publication of CH267012A publication Critical patent/CH267012A/de

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
    • H03D3/24—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
CH267012D 1946-11-02 1947-11-28 Schaltung zum Detektieren frequenzmodulierter Schwingungen. CH267012A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL267012X 1946-11-02

Publications (1)

Publication Number Publication Date
CH267012A true CH267012A (de) 1950-02-28

Family

ID=19781782

Family Applications (1)

Application Number Title Priority Date Filing Date
CH267012D CH267012A (de) 1946-11-02 1947-11-28 Schaltung zum Detektieren frequenzmodulierter Schwingungen.

Country Status (7)

Country Link
US (1) US2623174A (de)
BE (1) BE478151A (de)
CH (1) CH267012A (de)
DE (1) DE809669C (de)
FR (1) FR982097A (de)
GB (1) GB654174A (de)
NL (1) NL69021C (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1102834B (de) * 1959-07-16 1961-03-23 Siemens Elektrogeraete Gmbh UEberlagerungsempfaenger zum wahlweisen Empfang amplitudenmodulierter oder frequenzmodulierter Schwingungen
US3191124A (en) * 1961-10-30 1965-06-22 Avco Corp Amplitude noise control gate

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2263615A (en) * 1940-04-06 1941-11-25 Rca Corp Frequency modulation detector
US2280525A (en) * 1940-07-02 1942-04-21 Rca Corp Frequency modulated wave detector
US2332540A (en) * 1941-02-27 1943-10-26 Philco Radio & Television Corp Method and apparatus for receiving frequency modulated waves
GB551344A (en) * 1941-08-16 1943-02-18 Cossor Ltd A C Improvements relating to the frequency control of thermionic valve oscillators
US2440653A (en) * 1944-11-14 1948-04-27 Rca Corp Locked-in oscillator circuits

Also Published As

Publication number Publication date
FR982097A (fr) 1951-06-04
US2623174A (en) 1952-12-23
NL69021C (de)
GB654174A (en) 1951-06-06
DE809669C (de) 1951-08-02
BE478151A (de)

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