Communications: electrical – Digital comparator systems
Patent
1976-03-23
1981-04-28
Pitts, Harold I.
Communications: electrical
Digital comparator systems
340147R, H04Q 500
Patent
active
042648939
ABSTRACT:
A data communication system having a pair of data signal carrying conductors with each conductor providing an independent data link between a central station and a remote, or field, station. The data signal carrying conductors are each routed over a separate path different from any other conductor path between the central station and the remote station and are selectively substituted for use as a data signal carrying conductor upon the detection of an error in the operation of the data conductor currently in use.
REFERENCES:
patent: 3899641 (1975-08-01), Etra
Burton Lockwood D.
Halista Mitchell J.
Honeywell Inc.
Marhoefer Laurence J.
Pitts Harold I.
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