Looped bus system for connecting plural nodes or plural circuit

Details Looped bus system for connecting plural nodes or plural circuit Looped bus system for connecting plural nodes or plural circuit

1995-12-04

1997-08-12

Blum, Russell W.

Multiplex communications

Fault recovery

Bypass an inoperative station

370452, H04L 12437

Patent

active

056573219

ABSTRACT:
A looped bus system includes several nodes connected by unidirectional buses having opposite directions of signal transmission. The head of bus function for each bus is located at a node different from the head of bus function for the other bus. The head of bus function for each bus is located at the same node as the termination of bus function for the other bus. As a result, the buses can be reconfigured and nodes can be added freely by the use of a bus portion that is unused in the looped bus under normal condition.

REFERENCES:
patent: Re28958 (1976-09-01), Zafiopulo et al.
patent: 4696001 (1987-09-01), Gagliardi et al.
patent: 4922244 (1990-05-01), Hullett et al.
patent: 5157657 (1992-10-01), Potter et al.
patent: 5333130 (1994-07-01), Weissmann et al.
patent: 5487062 (1996-01-01), Yanagi et al.
"Distributed Queue Dual Bus (DQBE) Subnetwork of a Metropolitan Area Network (MAN)" IEEE 802.6 Standard, Dec. 1990, pp. 58-61, 76-85, 317-337.

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