FR951695A - Perfectionnements aux arrangements de circuits pour discriminateurs de fréquence - Google Patents

Perfectionnements aux arrangements de circuits pour discriminateurs de fréquence

Info

Publication number
FR951695A
FR951695A FR951695DA FR951695A FR 951695 A FR951695 A FR 951695A FR 951695D A FR951695D A FR 951695DA FR 951695 A FR951695 A FR 951695A
Authority
FR
France
Prior art keywords
circuit arrangements
frequency discriminators
discriminators
frequency
arrangements
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
English (en)
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co Ltd
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 Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Application granted granted Critical
Publication of FR951695A publication Critical patent/FR951695A/fr
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
    • H03D3/16—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 electromechanical resonators
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Rectifiers (AREA)
  • Filters And Equalizers (AREA)
FR951695D 1946-07-12 1947-08-07 Perfectionnements aux arrangements de circuits pour discriminateurs de fréquence Expired FR951695A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB265357X 1946-07-12

Publications (1)

Publication Number Publication Date
FR951695A true FR951695A (fr) 1949-11-02

Family

ID=10245170

Family Applications (1)

Application Number Title Priority Date Filing Date
FR951695D Expired FR951695A (fr) 1946-07-12 1947-08-07 Perfectionnements aux arrangements de circuits pour discriminateurs de fréquence

Country Status (4)

Country Link
CH (1) CH265357A (fr)
DE (1) DE841609C (fr)
FR (1) FR951695A (fr)
GB (1) GB621694A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2712600A (en) * 1950-12-18 1955-07-05 Gen Electric Frequency response circuits
US2913580A (en) * 1956-08-17 1959-11-17 Hermes Electronics Co Crystal discriminator network

Also Published As

Publication number Publication date
CH265357A (fr) 1949-11-30
DE841609C (de) 1952-06-16
GB621694A (en) 1949-04-14

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