Distributed computer control system with variable monitor timers

Details Distributed computer control system with variable monitor timers Distributed computer control system with variable monitor timers

1983-04-19

1986-04-15

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

3408255, 370 85, 370 86, 371 8, H04J 302, G06F 1100

Patent

active

045830894

ABSTRACT:
In a distributed computer control system in which remote stations are interconnected by a communications link, the remote stations take turns having supervisory control over the communications link. Each remote is numbered in sequence in a predetermined succession order and takes its turn having control of the communications link in accordance with this succession order. When a remote station has completed its turn of having supervisory control, it transmits a first control message over the communications link. The next remote station in the succession order then takes control over the communications link by transmitting a second control message over the communications link. Each remote station has two variable timers which are set in response to the first control message and the second control message, respectively, and have time out intervals depending upon the offset of the receiving remote station from the remote station which transmitted the control message. If and when any of these variable timers times out in a given remote station, then that remote station will assume control of the communications link by transmitting the second control message on the communications link.

REFERENCES:
patent: 4058681 (1977-11-01), Imaizumi et al.
patent: 4304001 (1981-12-01), Cope
patent: 4410983 (1983-10-01), Cope
patent: 4495493 (1985-01-01), Segarra et al.

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