FR908170A - Improvements to frequency modulated wave detection devices - Google Patents

Improvements to frequency modulated wave detection devices

Info

Publication number
FR908170A
FR908170A FR908170DA FR908170A FR 908170 A FR908170 A FR 908170A FR 908170D A FR908170D A FR 908170DA FR 908170 A FR908170 A FR 908170A
Authority
FR
France
Prior art keywords
detection devices
wave detection
frequency modulated
modulated wave
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.)
Societe Francaise Radio Electrique
Original Assignee
Societe Francaise Radio Electrique
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 Societe Francaise Radio Electrique filed Critical Societe Francaise Radio Electrique
Application granted granted Critical
Publication of FR908170A publication Critical patent/FR908170A/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
    • H03D3/06—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
    • H03D3/10—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 in which the diodes are simultaneously conducting during the same half period of the signal, e.g. radio detector

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR908170D 1944-06-13 1944-06-13 Improvements to frequency modulated wave detection devices Expired FR908170A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR908170T 1944-06-13

Publications (1)

Publication Number Publication Date
FR908170A true FR908170A (en) 1946-04-02

Family

ID=9406903

Family Applications (1)

Application Number Title Priority Date Filing Date
FR908170D Expired FR908170A (en) 1944-06-13 1944-06-13 Improvements to frequency modulated wave detection devices

Country Status (1)

Country Link
FR (1) FR908170A (en)

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