Multiplex communications – Wide area network – Packet switching
Patent
1980-10-01
1983-12-06
Robinson, Thomas A.
Multiplex communications
Wide area network
Packet switching
179 18AH, H04J 306, H04Q 1104, H04M 356
Patent
active
044197535
ABSTRACT:
An electronic exchange of the time division system type or the space division system type, employing electronic contacts, in which a U-junctor is connected to the switching network of the electronic exchange. The switching network program for controlling the connection of the switching network regards the U-junctor as a combination of an outgoing and an incoming trunk. The connection between the trunks, between subscribers or between each subscriber and each trunk in a special calling service is controlled by using the U-junctor and the switching network.
REFERENCES:
patent: 3886315 (1975-05-01), Lee et al.
patent: 4201890 (1980-05-01), Lawrence et al.
patent: 4293946 (1981-10-01), Kuras et al.
Kojima Takuhito
Masuda Toru
Satake Yasuo
Fujitsu Limited
Robinson Thomas A.
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