FR1434586A - Frequency discriminator - Google Patents

Frequency discriminator

Info

Publication number
FR1434586A
FR1434586A FR15229A FR15229A FR1434586A FR 1434586 A FR1434586 A FR 1434586A FR 15229 A FR15229 A FR 15229A FR 15229 A FR15229 A FR 15229A FR 1434586 A FR1434586 A FR 1434586A
Authority
FR
France
Prior art keywords
frequency discriminator
discriminator
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
FR15229A
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.)
General Precision Inc
Original Assignee
General Precision Inc
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
Priority claimed from US377550A external-priority patent/US3364431A/en
Application filed by General Precision Inc filed Critical General Precision Inc
Priority to FR15229A priority Critical patent/FR1434586A/en
Application granted granted Critical
Publication of FR1434586A publication Critical patent/FR1434586A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/02—Automatic control of frequency or phase; Synchronisation using a frequency discriminator comprising a passive frequency-determining element
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/042—Detecting movement of traffic to be counted or controlled using inductive or magnetic detectors
    • 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
    • H03D3/001—Details of arrangements applicable to more than one type of frequency demodulator
    • H03D3/003—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback
    • H03D3/004—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback wherein the demodulated signal is used for controlling an oscillator, e.g. the local oscillator
    • 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
    • H03D3/241—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop
    • 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
    • H03D3/26—Demodulation of angle-, frequency- or phase- modulated oscillations by means of sloping amplitude/frequency characteristic of tuned or reactive circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR15229A 1964-06-24 1965-04-29 Frequency discriminator Expired FR1434586A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR15229A FR1434586A (en) 1964-06-24 1965-04-29 Frequency discriminator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US377550A US3364431A (en) 1964-06-24 1964-06-24 Extended range frequency discriminator
FR15229A FR1434586A (en) 1964-06-24 1965-04-29 Frequency discriminator

Publications (1)

Publication Number Publication Date
FR1434586A true FR1434586A (en) 1966-04-08

Family

ID=26163500

Family Applications (1)

Application Number Title Priority Date Filing Date
FR15229A Expired FR1434586A (en) 1964-06-24 1965-04-29 Frequency discriminator

Country Status (1)

Country Link
FR (1) FR1434586A (en)

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