Digital time-division multiplex telecommunication system

Multiplex communications – Wide area network – Packet switching

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Details

370 95, 370100, H04J 300

Patent

active

043521800

ABSTRACT:
A digital time-division multiplex telecommunication system of flexible network configuration, including line, branch, ring, and star networks. Decentralized control of channel assignment is provided. Branching nodes coupling subscriber stations into bidirectional transmission lines are provided. The branching nodes comprise decentralized control means for confining communication connections between two subscribers to occupy transmission channels only on those portions of the transmission lines between the two subscribers. Thus, channels used by the two subscribers are free for use between subscribers whose connection path does not overlay that of the two subscribers.

REFERENCES:
patent: 3634627 (1972-01-01), Velentini
patent: 3781480 (1973-12-01), Roge
patent: 3995117 (1976-11-01), Fallon et al.
patent: 4124776 (1978-11-01), Nocker
patent: 4125808 (1978-11-01), Graham
patent: 4140877 (1979-02-01), Joslow et al.
patent: 4161786 (1979-07-01), Hopkins et al.

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