FR937602A - Frequency detector for carrier wave signals - Google Patents

Frequency detector for carrier wave signals

Info

Publication number
FR937602A
FR937602A FR937602DA FR937602A FR 937602 A FR937602 A FR 937602A FR 937602D A FR937602D A FR 937602DA FR 937602 A FR937602 A FR 937602A
Authority
FR
France
Prior art keywords
carrier wave
wave signals
frequency detector
detector
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
French (fr)
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.)
BAE Systems Aerospace Inc
Original Assignee
Hazeltine Corp
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 Hazeltine Corp filed Critical Hazeltine Corp
Application granted granted Critical
Publication of FR937602A publication Critical patent/FR937602A/en
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
    • H03D3/22—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by means of active elements with more than two electrodes to which two signals are applied derived from the signal to be demodulated and having a phase difference related to the frequency deviation, e.g. phase detector

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measuring Fluid Pressure (AREA)
  • Amplifiers (AREA)
FR937602D 1942-05-06 1946-12-10 Frequency detector for carrier wave signals Expired FR937602A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US441895A US2343263A (en) 1942-05-06 1942-05-06 Carrier-signal frequency detector

Publications (1)

Publication Number Publication Date
FR937602A true FR937602A (en) 1948-08-23

Family

ID=23754721

Family Applications (1)

Application Number Title Priority Date Filing Date
FR937602D Expired FR937602A (en) 1942-05-06 1946-12-10 Frequency detector for carrier wave signals

Country Status (4)

Country Link
US (1) US2343263A (en)
BE (1) BE469561A (en)
DE (1) DE843559C (en)
FR (1) FR937602A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE969436C (en) * 1951-04-26 1958-06-04 Lorenz C Ag Arrangement for demodulating frequency or phase modulated oscillations

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE469203A (en) * 1945-09-20
NL68909C (en) * 1945-09-21
FR959556A (en) * 1947-01-14 1950-03-31
FR960109A (en) * 1947-01-24 1950-04-13
NL71107C (en) * 1947-09-03
US2511143A (en) * 1948-02-12 1950-06-13 Zenith Radio Corp Electron discharge device
US2568137A (en) * 1948-02-12 1951-09-18 Zenith Radio Corp Demodulator
NL158843B (en) * 1951-01-27 Takasago Perfumery Co Ltd PROCESS FOR PREPARING A PERFUME COMPOSITION AND PERFUMED OBJECTS.
US2773182A (en) * 1951-07-19 1956-12-04 Hartford Nat Bank & Trust Co Circuit-arrangement for silent tuning in a frequency-modulation receiver
US2835803A (en) * 1953-10-12 1958-05-20 Esther Marion Armstrong Linear detector for subcarrier frequency modulated waves
DE977298C (en) * 1955-02-09 1965-10-28 Koerting Radio Werke G M B H Demodulator for frequency-modulated electrical oscillations
US3115606A (en) * 1956-11-06 1963-12-24 Motorola Inc Gain control of limiter stage of a quadrature grid detector

Family Cites Families (1)

* 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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE969436C (en) * 1951-04-26 1958-06-04 Lorenz C Ag Arrangement for demodulating frequency or phase modulated oscillations

Also Published As

Publication number Publication date
US2343263A (en) 1944-03-07
BE469561A (en)
DE843559C (en) 1952-07-10

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