FR2297524A1 - Dispositif de telecommunication simultanee entre stations radio - Google Patents

Dispositif de telecommunication simultanee entre stations radio

Info

Publication number
FR2297524A1
FR2297524A1 FR7536228A FR7536228A FR2297524A1 FR 2297524 A1 FR2297524 A1 FR 2297524A1 FR 7536228 A FR7536228 A FR 7536228A FR 7536228 A FR7536228 A FR 7536228A FR 2297524 A1 FR2297524 A1 FR 2297524A1
Authority
FR
France
Prior art keywords
telecommunication device
radio stations
simultaneous
simultaneous telecommunication
stations
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.)
Withdrawn
Application number
FR7536228A
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.)
CHIBA COMMUNICATIONS IND Inc
Original Assignee
CHIBA COMMUNICATIONS IND Inc
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 claimed from JP50005294A external-priority patent/JPS5180706A/ja
Priority claimed from JP50017972A external-priority patent/JPS5193613A/ja
Application filed by CHIBA COMMUNICATIONS IND Inc filed Critical CHIBA COMMUNICATIONS IND Inc
Publication of FR2297524A1 publication Critical patent/FR2297524A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/56—Circuits using the same frequency for two directions of communication with provision for simultaneous communication in two directions

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
FR7536228A 1975-01-11 1975-11-26 Dispositif de telecommunication simultanee entre stations radio Withdrawn FR2297524A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP50005294A JPS5180706A (fr) 1975-01-11 1975-01-11
JP50017972A JPS5193613A (en) 1975-02-14 1975-02-14 Musentsushinkini okeru boisukontorooruhoshikinyorudojitsuwahoshiki

Publications (1)

Publication Number Publication Date
FR2297524A1 true FR2297524A1 (fr) 1976-08-06

Family

ID=26339216

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7536228A Withdrawn FR2297524A1 (fr) 1975-01-11 1975-11-26 Dispositif de telecommunication simultanee entre stations radio

Country Status (6)

Country Link
US (1) US4062016A (fr)
DE (1) DE2549473A1 (fr)
FR (1) FR2297524A1 (fr)
GB (1) GB1538774A (fr)
IT (1) IT1060726B (fr)
NL (1) NL7511953A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0068690A1 (fr) * 1981-06-22 1983-01-05 The Marconi Company Limited Récepteur pour communication radio

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2737453C2 (de) * 1977-08-19 1984-06-20 Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Zeitmultiplexsystem
US4287588A (en) * 1979-04-12 1981-09-01 The United States Of America As Represented By The Secretary Of The Army Multiple access, time-division multiplex, satellite communications system
GB2128851A (en) * 1982-09-24 1984-05-02 Jasco International Radio communication systems
DE3332220C1 (de) * 1983-09-07 1985-02-28 Rohde & Schwarz GmbH & Co KG, 8000 München Zeitverdichtendes Zeitmultiplex-Übertragungssystem
GB2151436A (en) * 1983-12-09 1985-07-17 Philips Electronic Associated Duplex speech transmission method and a system therefor
GB8620333D0 (en) * 1986-08-21 1986-10-01 Uldeco Ltd Radio communications
GB8829661D0 (en) * 1988-12-20 1989-02-15 Shaye Communications Ltd Duplex communications systems
GB2362292B (en) * 2000-05-08 2003-01-22 Motorola Israel Ltd A radio communications transceiver and a communications method using the same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR941709A (fr) * 1945-04-05 1949-01-19 Ace Electronics Ltd Système de communication bilatérale à fréquence radio
US2766324A (en) * 1951-12-18 1956-10-09 Motorola Inc Switching system
DE2221645A1 (de) * 1972-04-21 1973-10-25 Gretag Ag Verfahren und vorrichtung zur uebertragung von sprachsignalen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3283074A (en) * 1962-12-31 1966-11-01 Gen Electric Voice-controlled communication system
US3460040A (en) * 1967-08-02 1969-08-05 Bendix Corp Single frequency communication repeater
GB1364808A (en) * 1971-12-08 1974-08-29 Sendai Television Broadcasting Simultaneous radio communication system
US3784847A (en) * 1972-10-10 1974-01-08 Gen Electric Dielectric strip isolation for jfet or mesfet depletion-mode bucket-brigade circuit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR941709A (fr) * 1945-04-05 1949-01-19 Ace Electronics Ltd Système de communication bilatérale à fréquence radio
US2766324A (en) * 1951-12-18 1956-10-09 Motorola Inc Switching system
DE2221645A1 (de) * 1972-04-21 1973-10-25 Gretag Ag Verfahren und vorrichtung zur uebertragung von sprachsignalen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0068690A1 (fr) * 1981-06-22 1983-01-05 The Marconi Company Limited Récepteur pour communication radio
US4532636A (en) * 1981-06-22 1985-07-30 The Marconi Company Limited Radio communications receivers

Also Published As

Publication number Publication date
US4062016A (en) 1977-12-06
IT1060726B (it) 1982-08-20
GB1538774A (en) 1979-01-24
NL7511953A (nl) 1976-07-13
DE2549473A1 (de) 1976-07-15

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Legal Events

Date Code Title Description
ST Notification of lapse