GB545586A - Frequency-modulated carrier-translating systems - Google Patents

Frequency-modulated carrier-translating systems

Info

Publication number
GB545586A
GB545586A GB1401/41A GB140141A GB545586A GB 545586 A GB545586 A GB 545586A GB 1401/41 A GB1401/41 A GB 1401/41A GB 140141 A GB140141 A GB 140141A GB 545586 A GB545586 A GB 545586A
Authority
GB
United Kingdom
Prior art keywords
frequency
currents
changer
modulated
combined
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
GB1401/41A
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.)
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
Publication of GB545586A publication Critical patent/GB545586A/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
    • H03D3/12—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)
GB1401/41A 1940-03-01 1941-02-03 Frequency-modulated carrier-translating systems Expired GB545586A (en)

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
GB545586A true GB545586A (en) 1942-06-03

Family

ID=23251272

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1401/41A Expired GB545586A (en) 1940-03-01 1941-02-03 Frequency-modulated carrier-translating systems

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)

Cited By (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

Cited By (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
BE469467A (enrdf_load_stackoverflow)
FR880428A (fr) 1943-03-25
US2257092A (en) 1941-09-30

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