Circuit for switching signal processing circuits

Details Circuit for switching signal processing circuits Circuit for switching signal processing circuits

1994-05-25

1996-05-21

Horabik, Michael

Communications: electrical

Continuously variable indicating

With meter reading

39518201, H04M 322

Patent

active

055193854

ABSTRACT:
Switching circuitry incorporated in a system including a plurality of signal processing circuits having an identical function. The circuitry has a selector and a controller which replace, in response to alarm signals from individual signal processing circuits, the processing timing of a failed signal processing circuit with that of another signal processing circuit which is normal.

REFERENCES:
patent: 4377861 (1983-03-01), Huffman
patent: 4837761 (1989-06-01), Isono et al.
patent: 5132962 (1992-07-01), Hobgood et al.
patent: 5202980 (1993-04-01), Morita et al.
Karnaugh, M. International Switching Symposium 1976 25, "Design Considerations For A Digital Switch", Kyoto, Japan (Oct. 1976), pp. 212-4-1--212-4-6.
Miyazawa, S., et al., NEC Research and Development, "Multiprocessing System Provided with Fail-Soft Operation Function", No. 94, Tokyo, Japan (Jul. 1989), pp. 129-135.
Treves, S. R., Proceedings of the IEEE, "Maintenance Strategies for PCM Circuit Switching", vol. 65, No. 9, New York, US (Sep. 1977), pp. 1363-1374.

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