FR880428A - Disposition pour la transmission de signaux modulés en fréquence - Google Patents

Disposition pour la transmission de signaux modulés en fréquence

Info

Publication number
FR880428A
FR880428A FR880428DA FR880428A FR 880428 A FR880428 A FR 880428A FR 880428D A FR880428D A FR 880428DA FR 880428 A FR880428 A FR 880428A
Authority
FR
France
Prior art keywords
arrangement
transmission
modulated signals
frequency modulated
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
English (en)
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.)
BAE Systems Aerospace Inc
Original Assignee
Hazeltine Corp
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 Hazeltine Corp filed Critical Hazeltine Corp
Application granted granted Critical
Publication of FR880428A publication Critical patent/FR880428A/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
    • H03D3/12—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 discharge tubes having more than two electrodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/002—Transmission systems not characterised by the medium used for transmission characterised by the use of a carrier modulation
    • H04B14/006—Angle modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplitude Modulation (AREA)
FR880428D 1940-03-01 1941-02-28 Disposition pour la transmission de signaux modulés en fréquence Expired FR880428A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US321610A US2257092A (en) 1940-03-01 1940-03-01 Frequency-modulated carriersignal translating system

Publications (1)

Publication Number Publication Date
FR880428A true FR880428A (fr) 1943-03-25

Family

ID=23251272

Family Applications (1)

Application Number Title Priority Date Filing Date
FR880428D Expired FR880428A (fr) 1940-03-01 1941-02-28 Disposition pour la transmission de signaux modulés en fréquence

Country Status (4)

Country Link
US (1) US2257092A (enrdf_load_stackoverflow)
BE (1) BE469467A (enrdf_load_stackoverflow)
FR (1) FR880428A (enrdf_load_stackoverflow)
GB (1) GB545586A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2467035A (en) * 1945-10-03 1949-04-12 Belmont Radio Corp Frequency discriminator

Also Published As

Publication number Publication date
GB545586A (en) 1942-06-03
BE469467A (enrdf_load_stackoverflow)
US2257092A (en) 1941-09-30

Similar Documents

Publication Publication Date Title
FR854758A (fr) Récepteur de signaux pour la téléphonie
FR950385A (fr) Récepteur pour ondes modulées en fréquence
FR852017A (fr) Perfectionnements aux dispositifs de transmission simultanée de plusieurs signaux sur la même fréquence
FR947380A (fr) Dispositif pour la transmission de signaux modulés en phase ou en fréquence
FR942970A (fr) Installation de radio-diffusion de signaux modulés en fréquence
FR862367A (fr) Récepteur de signaux
FR871537A (fr) Perfectionnements aux circuits récepteurs d'ondes modulées en fréquence
FR880428A (fr) Disposition pour la transmission de signaux modulés en fréquence
FR873165A (fr) Disposition pour la réception sélective de signaux de haute fréquence
SU77483A3 (ru) Устройство дл приема частотно-модулированных сигналов
FR866460A (fr) Dispositif pour la transmission de signaux
FR877359A (fr) Transmission de signaux
FR946308A (fr) Procédés et moyens pour l'émission de signaux de fréquence modulée
CH225838A (de) Einrichtung zur Übertragung von Verstellbewegungen.
FR51991E (fr) émetteur de mesure pour ondes extra-courtes
FR938543A (fr) Installation de transmission de signaux électriques
FR1329526A (fr) Dispositif pour la production simple de signaux périodiques
FR868478A (fr) Montage pour la transmission de signaux
FR872309A (fr) Procédé pour la transmission de signaux électriques
FR880900A (fr) Accouplement de transmission
ES149444A3 (es) Procedimiento de transmisión y funcionamiento de señales de alarma
DK67685C (da) Kobling til overlejringsmodtagelse af frekvensmodulerede Signaler.
AU112932B2 (en) Measurement of frequency modulated waves
AU112716B2 (en) Signal amplitude limiting circuits
ES155136A1 (es) Procedimiento para la transmision de señales