Apparatus and method for fault detection on redundant signal lin

Details Apparatus and method for fault detection on redundant signal lin Apparatus and method for fault detection on redundant signal lin

1992-12-22

1994-04-26

Cain, David C.

Cryptography

Equipment test or malfunction indication

380 42, H04K 100

Patent

active

053074092

ABSTRACT:
A fault detection apparatus and method combines each of a plurality of redundant digital data signals with a unique key signal for transmission over one of a plurality of signal lines and recombines each with its unique key signal at a receiving end. The recombined signals are then compared at the receiving end to detect certain faults between or among the plurality of what should be identical received signals.

REFERENCES:
patent: 4251059 (1982-09-01), Gregoire et al.
patent: 5161186 (1992-11-01), Dolev et al.

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