ES469769A1 - Aparato emisor-receptor de telecomunicacion perfeccionado y sistema de telecomunicacion que lo incorpora - Google Patents

Aparato emisor-receptor de telecomunicacion perfeccionado y sistema de telecomunicacion que lo incorpora

Info

Publication number
ES469769A1
ES469769A1 ES469769A ES469769A ES469769A1 ES 469769 A1 ES469769 A1 ES 469769A1 ES 469769 A ES469769 A ES 469769A ES 469769 A ES469769 A ES 469769A ES 469769 A1 ES469769 A1 ES 469769A1
Authority
ES
Spain
Prior art keywords
arrangement
send
receive
dual frequency
telecommunications connections
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
ES469769A
Other languages
English (en)
Spanish (es)
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Publication of ES469769A1 publication Critical patent/ES469769A1/es
Expired 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
    • H04B1/50—Circuits using different frequencies for the two directions of communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)
ES469769A 1977-05-13 1978-05-12 Aparato emisor-receptor de telecomunicacion perfeccionado y sistema de telecomunicacion que lo incorpora Expired ES469769A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7714776A FR2390859A1 (fr) 1977-05-13 1977-05-13 Emetteur-recepteur de telecommunication et systeme de radiotelephonie utilisant un tel emetteur-recepteur

Publications (1)

Publication Number Publication Date
ES469769A1 true ES469769A1 (es) 1979-01-16

Family

ID=9190805

Family Applications (1)

Application Number Title Priority Date Filing Date
ES469769A Expired ES469769A1 (es) 1977-05-13 1978-05-12 Aparato emisor-receptor de telecomunicacion perfeccionado y sistema de telecomunicacion que lo incorpora

Country Status (4)

Country Link
DE (1) DE2821003C2 (nl)
ES (1) ES469769A1 (nl)
FR (1) FR2390859A1 (nl)
NL (1) NL7805168A (nl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2152333B (en) * 1983-12-27 1988-02-03 United Technologies Corp Full-duplex, electrically switched microwave transceiver
DE4015195A1 (de) * 1990-05-11 1991-11-14 Goa General Office Activities Zusatzgeraet fuer ein funkgeraet zum erzeugen und/oder empfangen eines selektiven sende- bzw. empfangssignals

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1537007A1 (de) * 1967-06-19 1969-07-31 Funkwerk Dresden Veb System zur Bildung von Gruppen- und/oder Sammelrufmoeglichkeiten bei Impulscode-Selektrivrufeinrichtungen
US3564147A (en) * 1968-04-05 1971-02-16 Communications Satellite Corp Local routing channel sharing system and method for communications via a satellite relay
AT338877B (de) * 1969-07-23 1977-09-26 Sits Soc It Telecom Siemens Fernmeldesystem mit einer anzahl von zweirichtungskanalen, von denen jeweils einer nur wahrend der dauer der verbindung zwischen wenigstens zwei sende-empfangs-geraten belegt ist

Also Published As

Publication number Publication date
FR2390859A1 (fr) 1978-12-08
DE2821003A1 (de) 1978-11-23
DE2821003C2 (de) 1986-01-23
NL7805168A (nl) 1978-11-15
FR2390859B1 (nl) 1982-02-19

Similar Documents

Publication Publication Date Title
SE7907628L (sv) Telefonsystem
ES469769A1 (es) Aparato emisor-receptor de telecomunicacion perfeccionado y sistema de telecomunicacion que lo incorpora
ES475760A1 (es) Perfeccionamientos en dispositivos de transmision de carac- teres aplicables a terminales telefonicos con teclado
JPS5686596A (en) Transfer system of dial information
JPS55128939A (en) Mobile message communication system
GB890860A (en) Signalling system for automatic telephone exchanges
JPS5781758A (en) Signal transmitting system of switchboard
JPS5612138A (en) Press-to-talk calling system of radio telephone
JPS5772462A (en) Transmission device
JPS56122261A (en) Function test system for tripartite service trunk
JPS53136418A (en) Signal repeating installation
JPS55132145A (en) Travelling communication system
JPS5672562A (en) Communication equipment
JPS5791067A (en) Data transmission and reception device
GB1490713A (en) Pulse code modulation data transmission systems
JPS55128940A (en) Radio calling system
JPS5362402A (en) Loudening telephone unit
JPS5493912A (en) Communication system
JPS5419301A (en) Transmission and reception system of signal
JPS56149143A (en) Circuit quality monitor system
FR2344191A1 (fr) Dispositif d'essais des enregistreurs d'arrivee d'un central international automatique
GB1315927A (en) Telephone systems
BIALIK Photoelectron statistics and the calculation of optical communication link characteristics
JPS5640335A (en) Originating terminal station confirmation system
JPS5650639A (en) Mobile communication system