CA1008139A - Electrical circuit means for detecting the frequency of input signals - Google Patents

Electrical circuit means for detecting the frequency of input signals

Info

Publication number
CA1008139A
CA1008139A CA212,673A CA212673A CA1008139A CA 1008139 A CA1008139 A CA 1008139A CA 212673 A CA212673 A CA 212673A CA 1008139 A CA1008139 A CA 1008139A
Authority
CA
Canada
Prior art keywords
detecting
frequency
input signals
electrical circuit
circuit means
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
CA212,673A
Other versions
CA212673S (en
Inventor
George W. Gurry
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1008139A publication Critical patent/CA1008139A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/22—Homodyne or synchrodyne circuits
    • H03D1/2272—Homodyne or synchrodyne circuits using FET's

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
CA212,673A 1973-10-31 1974-10-30 Electrical circuit means for detecting the frequency of input signals Expired CA1008139A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5066673A GB1484253A (en) 1973-10-31 1973-10-31 Electrical circuit means for detecting the frequency of input signals

Publications (1)

Publication Number Publication Date
CA1008139A true CA1008139A (en) 1977-04-05

Family

ID=10456865

Family Applications (1)

Application Number Title Priority Date Filing Date
CA212,673A Expired CA1008139A (en) 1973-10-31 1974-10-30 Electrical circuit means for detecting the frequency of input signals

Country Status (9)

Country Link
JP (1) JPS5836541B2 (en)
AT (1) AT363518B (en)
CA (1) CA1008139A (en)
DE (1) DE2451571A1 (en)
FR (1) FR2250228B1 (en)
GB (1) GB1484253A (en)
IT (1) IT1021969B (en)
NL (1) NL7414232A (en)
SE (1) SE404088B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1044144B (en) * 1975-07-30 1980-03-20 Selenia Ind Elettroniche IMPROVEMENT IN DEVICES FOR DETERMINING POINT ERRORS, PARTICULARLY IN RADAR SYSTEMS
US4127824A (en) * 1977-04-04 1978-11-28 Motorola, Inc. Sampling filter-detector
DE3040380C2 (en) * 1980-10-25 1983-11-17 Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Arrangement for frequency detection
JPH0246346U (en) * 1988-09-22 1990-03-29
CN113608021B (en) * 2021-07-23 2022-05-20 华中科技大学 Chaotic oscillator circuit and weak signal detection system based on chaos theory

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1094302A (en) * 1964-03-12 1967-12-06 Plessey Uk Ltd Improvements in or relating to frequency sensing systems
CA946922A (en) * 1971-04-19 1974-05-07 Wavetek Frequency detector

Also Published As

Publication number Publication date
JPS5836541B2 (en) 1983-08-10
NL7414232A (en) 1975-05-02
SE404088B (en) 1978-09-18
GB1484253A (en) 1977-09-01
JPS5080707A (en) 1975-07-01
SE7413681L (en) 1975-05-02
IT1021969B (en) 1978-02-20
AT363518B (en) 1981-08-10
FR2250228B1 (en) 1978-06-16
FR2250228A1 (en) 1975-05-30
DE2451571A1 (en) 1975-06-05
ATA880374A (en) 1981-01-15

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