FR860314A - Perfectionnements aux circuits discriminateurs utilisables dans les systèmes de commande automatique de fréquence - Google Patents

Perfectionnements aux circuits discriminateurs utilisables dans les systèmes de commande automatique de fréquence

Info

Publication number
FR860314A
FR860314A FR860314DA FR860314A FR 860314 A FR860314 A FR 860314A FR 860314D A FR860314D A FR 860314DA FR 860314 A FR860314 A FR 860314A
Authority
FR
France
Prior art keywords
control systems
frequency control
automatic frequency
discriminator circuits
discriminator
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 FR860314A publication Critical patent/FR860314A/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
    • H03D3/08—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F9/00—Diffusion pumps
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/163—Special arrangements for the reduction of the damping of resonant circuits of receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR860314D 1939-08-17 1939-09-19 Perfectionnements aux circuits discriminateurs utilisables dans les systèmes de commande automatique de fréquence Expired FR860314A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB733240A GB535993A (en) 1939-08-17 1939-08-17 Improvements in discriminator circuits for use in automatic frequency control systems

Publications (1)

Publication Number Publication Date
FR860314A true FR860314A (fr) 1941-01-16

Family

ID=9831084

Family Applications (1)

Application Number Title Priority Date Filing Date
FR860314D Expired FR860314A (fr) 1939-08-17 1939-09-19 Perfectionnements aux circuits discriminateurs utilisables dans les systèmes de commande automatique de fréquence

Country Status (2)

Country Link
FR (1) FR860314A (fr)
GB (1) GB535993A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2667576A (en) * 1950-05-26 1954-01-26 Int Standard Electric Corp Frequency discriminator circuit

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2911527A (en) * 1954-08-11 1959-11-03 Cgs Lab Inc Self centering discriminator and control circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2667576A (en) * 1950-05-26 1954-01-26 Int Standard Electric Corp Frequency discriminator circuit

Also Published As

Publication number Publication date
GB535993A (en) 1941-04-29

Similar Documents

Publication Publication Date Title
FR839812A (fr) Perfectionnements aux systèmes d'accord automatique
FR942441A (fr) Perfectionnements aux systèmes de radio-guidage pour aéronefs
FR856971A (fr) Perfectionnements aux systèmes de commande automatique de fréquence
FR860314A (fr) Perfectionnements aux circuits discriminateurs utilisables dans les systèmes de commande automatique de fréquence
FR828748A (fr) Perfectionnements aux systèmes de commande
FR827166A (fr) Perfectionnements aux systèmes de téléphonie automatique
FR862729A (fr) Perfectionnements aux systèmes de commande automatique de fréquence
FR836432A (fr) Dispositif de commande de serrures
AU111576B2 (en) Improvements in or relating to discriminator circuits for use in automatic frequency control systems
FR844917A (fr) Perfectionnements aux systèmes de réglage automatique de la circulation
FR853328A (fr) Perfectionnements aux dispositifs de commande pour essuie-glace
AU435239A (en) Improvements in or relating to discriminator circuits for use in automatic frequency control systems
FR856824A (fr) Perfectionnements relatifs aux systèmes de commande pour aéroplanes
FR852904A (fr) Système de commande de radio-atterrissage
FR831851A (fr) Perfectionnements aux systèmes de téléphonie automatique
FR866161A (fr) Perfectionnements aux systèmes de commande hydraulique
FR865680A (fr) Perfectionnements aux dispositifs automatiques de commande
FR846472A (fr) Perfectionnements aux dispositifs de signaux préparatoires pour systèmes de réglage automatique de la circulation
FR857729A (fr) Perfectionnements aux appareils de commande automatique pour aéronefs
FR839506A (fr) Perfectionnements aux mécanismes de commande automatique pour phonographes et analogues
FR839205A (fr) Dispositif de commande pour aéroplanes
FR832512A (fr) Radio compas automatique perfectionné
FR819642A (fr) Système de commande démultiplicatrice pour récepteurs de t. s. f.
FR854692A (fr) Système de commande et de graduation pour les appareils radioélectriques
FR855211A (fr) Dispositif de commande automatique de volume à retardement