Multiplex communications – Wide area network – Packet switching
Patent
1985-04-23
1987-06-23
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 85, H04J 110
Patent
active
046758666
ABSTRACT:
A specific channel CRF which sends back signals of a specific channel but permits bidirectional free pass of signals of the other channels is inserted at an intermediate point of a transmission path. Furthermore, a baseband network and an internetwork connecting device are connected to a broadband transmission path for effecting communication between baseband networks by utilizing the internetwork connecting device when communication distance is extended.
REFERENCES:
patent: 3864521 (1975-02-01), De Long
patent: 4519074 (1985-05-01), Basile
patent: 4535450 (1985-08-01), Tan
Sakamoto Hidenori
Takumi Kenta
NEC Corporation
Olms Douglas W.
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