High reliability pulse source

Details High reliability pulse source High reliability pulse source

1975-04-14

1976-06-22

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

328104, 307269, 331 49, 331 56, H03K 112

Patent

active

039654320

ABSTRACT:
A reliable pulse source circuit utilizing two independent but synchronized pulse generators is disclosed. The pulse source circuit maintains output pulses even though one pulse generator fails regardless of the failure mode, i.e., whether the output of the failed generator is stuck high or stuck low. A toggle flip-flop responsive to the presence and absence of pulses from the two generators and its own state outputs controls gating circuitry to generate a sequence of output pulses wherein alternate output pulses occur in response to pulses of one generator and the remaining output pulses occur in response to pulses of the other generator, and if either generator fails, all output pulses occur in response to the pulses of the other generator.

REFERENCES:
patent: 3116477 (1963-12-01), Bradbury
patent: 3289097 (1966-11-01), Martin
patent: 3319181 (1967-05-01), Tarczy-Hornoch et al.
patent: 3751685 (1973-08-01), Jaeger

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