Data highway system with dual transmitting loop lines

Details Data highway system with dual transmitting loop lines Data highway system with dual transmitting loop lines

1981-10-08

1984-05-01

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 88, 34082505, H04J 314, H04B 346

Patent

active

044465513

ABSTRACT:
A data highway system comprises a master station and a plurality of remote stations, connected through dual transmitting loop lines, and detecting means for detecting the breakage or disconnection of transmitting or substantially equal thereto, loop-back is automatically constituted responsive to the output of the detecting means to promptly return to normal condition.

REFERENCES:
patent: 3458661 (1969-07-01), Forde et al.
patent: 3569632 (1971-03-01), Beresin et al.
patent: 3652798 (1972-03-01), McNeilly
patent: 3859468 (1975-01-01), Smith et al.
patent: 3987395 (1976-10-01), Desombre et al.
patent: 4190821 (1980-02-01), Woodward
patent: 4380061 (1983-04-01), Mori et al.

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