FR1438315A - Système de communication par satellite artificiel à accès multiples - Google Patents

Système de communication par satellite artificiel à accès multiples

Info

Publication number
FR1438315A
FR1438315A FR7356A FR7356A FR1438315A FR 1438315 A FR1438315 A FR 1438315A FR 7356 A FR7356 A FR 7356A FR 7356 A FR7356 A FR 7356A FR 1438315 A FR1438315 A FR 1438315A
Authority
FR
France
Prior art keywords
communication system
multiple access
satellite communication
artificial satellite
access artificial
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
FR7356A
Other languages
English (en)
Inventor
Gerard Battail
Pierre Brossard
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
Priority to FR91216D priority Critical patent/FR91216E/fr
Application filed filed Critical
Priority to FR7356A priority patent/FR1438315A/fr
Priority to DE19661491914 priority patent/DE1491914A1/de
Priority to GB8706/66A priority patent/GB1072019A/en
Priority to US530460A priority patent/US3383597A/en
Application granted granted Critical
Publication of FR1438315A publication Critical patent/FR1438315A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/204—Multiple access
    • 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
    • H03D3/24—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits
    • H03D3/241—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop
    • 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
    • H03D3/24—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits
    • H03D3/241—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop
    • H03D3/242—Modifications 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/204—Multiple access
    • H04B7/216—Code division or spread-spectrum multiple access [CDMA, SSMA]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Radio Relay Systems (AREA)
FR7356A 1965-02-27 1965-02-27 Système de communication par satellite artificiel à accès multiples Expired FR1438315A (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR91216D FR91216E (fr) 1965-02-27
FR7356A FR1438315A (fr) 1965-02-27 1965-02-27 Système de communication par satellite artificiel à accès multiples
DE19661491914 DE1491914A1 (de) 1965-02-27 1966-02-28 Mehrkanal-Satelliten-Nachrichtenuebertragungssystem
GB8706/66A GB1072019A (en) 1965-02-27 1966-02-28 Improvements relating to space satellite communications systems
US530460A US3383597A (en) 1965-02-27 1966-02-28 Multiple access satellite communication system

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR1438315A true FR1438315A (fr) 1966-05-13

Family

ID=8572272

Family Applications (1)

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

Country Status (4)

Country Link
US (1) US3383597A (fr)
DE (1) DE1491914A1 (fr)
FR (1) FR1438315A (fr)
GB (1) GB1072019A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3513264A (en) * 1966-05-13 1970-05-19 Hughes Aircraft Co Controlled random multiple access communication system
NL165624C (nl) * 1966-08-05 1981-04-15 Communications Satellite Corp Communicatie-ontvanger.
US3617892A (en) * 1967-02-27 1971-11-02 Rca Corp Frequency modulation system for spreading radiated power

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2407212A (en) * 1942-06-16 1946-09-03 Rca Corp Radio relaying
US2527561A (en) * 1947-04-30 1950-10-31 Farnsworth Res Corp Selective calling system
DE1200891B (de) * 1962-04-09 1965-09-16 Pierre Brossard Demodulator fuer frequenzmodulierte elektrische Hochfrequenzschwingungen

Also Published As

Publication number Publication date
GB1072019A (en) 1967-06-14
DE1491914A1 (de) 1969-07-17
US3383597A (en) 1968-05-14

Similar Documents

Publication Publication Date Title
FR1490903A (fr) Système d'accès de priorité variable
CH509017A (de) Datenübermittlungsanlage
AT284727B (de) Abwurfanlage
FR1510624A (fr) Système de cloisonnement
FR1538097A (fr) Système de positionnement
FR1506856A (fr) Système de détecteurs
AT276672B (de) Regalsystem
NL158308B (nl) Onderwijsstelsel.
FR1489263A (fr) Système de communication digital à postes multiples
FR1506148A (fr) Système de commande à répétition
NL156281B (nl) Telecommunicatiestelsel.
FR1438315A (fr) Système de communication par satellite artificiel à accès multiples
FR1471178A (fr) Système de communication à répartition temporelle
NL156287B (nl) Telecommunicatiestelsel.
FR1518276A (fr) Système de sélection de claviers
NL169009B (nl) Telecommunicatiestelsel.
FR1470027A (fr) Système de communication à répartition temporelle
FI37418A (fi) Kaapelihyllyjärjestelmä
FR1401413A (fr) Système radar à portée limitée
FR1529704A (fr) Système de cloisonnement
FR1546758A (fr) Système de réfrigération de cryoliaisons
FR1520027A (fr) Système de communication à répartition temporelle
FR1443738A (fr) Système de régulation
FR1536027A (fr) Système catadioptrique
FR1499486A (fr) Système bélinographique