FR91216E - - Google Patents

Info

Publication number
FR91216E
FR91216E FR91216DA FR91216E FR 91216 E FR91216 E FR 91216E FR 91216D A FR91216D A FR 91216DA FR 91216 E FR91216 E FR 91216E
Authority
FR
France
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
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.)
Publication date
Priority claimed from FR7356A external-priority patent/FR1438315A/fr
Application granted granted Critical
Publication of FR91216E publication Critical patent/FR91216E/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/204Multiple access
    • H04B7/216Code division or spread-spectrum multiple access [CDMA, SSMA]
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/02Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
    • H03D3/24Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits
    • H03D3/241Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/02Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
    • H03D3/24Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits
    • H03D3/241Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop
    • H03D3/242Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop combined with means for controlling the frequency of a further oscillator, e.g. for negative frequency feedback or AFC
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/204Multiple access
    • H04B7/2043Mixed mode, TDM and FDM systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J1/00Frequency-division multiplex systems
    • H04J1/20Frequency-division multiplex systems in which at least one carrier is angle-modulated

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
FR91216D 1965-02-27 Expired FR91216E (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7356A FR1438315A (fr) 1965-02-27 1965-02-27 Système de communication par satellite artificiel à accès multiples
FR72249 1966-08-05

Publications (1)

Publication Number Publication Date
FR91216E true FR91216E (fr) 1968-08-28

Family

ID=26162245

Family Applications (1)

Application Number Title Priority Date Filing Date
FR91216D Expired FR91216E (fr) 1965-02-27

Country Status (1)

Country Link
FR (1) FR91216E (fr)

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