Self-diagnosing, self-correcting communications network

Details Self-diagnosing, self-correcting communications network Self-diagnosing, self-correcting communications network

1980-04-04

1982-03-16

Atkinson, Charles E.

Excavating

370 15, 371 11, 371 25, G06F 1100, H04B 1700

Patent

active

043205089

ABSTRACT:
A ring-configured network of multiple inter-communicating data stations in which each data station includes a fault sensing circuit, a test-pulse generating circuit and a switching circuit as well as a transmitter circuit and a receiver circuit, and the test pulse generating circuit responds to a sensed fault to transmit, sequentially, in opposite directions along the ring, test signals which, in combination with the fault sensing circuit, indicate the direction of any fault and terminate the line in the direction of the fault at the characteristic impedance of the line. Thus, normal communications can continue between the stations despite the fault.

REFERENCES:
patent: 3790769 (1974-01-01), Ziegler
patent: 4042794 (1977-08-01), Lima et al.
patent: 4075440 (1978-02-01), Laubengayer
patent: 4112414 (1978-09-01), Iscol et al.
patent: 4163210 (1979-07-01), Giraud
patent: 4242750 (1980-12-01), Finck et al.
Lettieri et al., Local/Utility Fault Determination, IBM Technical Disclosure Bulletin, vol. 21, No. 11, Apr. 1979, pp. 4584-4585.

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