Circuit for detecting the relative occurrence of one signal amon

Details Circuit for detecting the relative occurrence of one signal amon Circuit for detecting the relative occurrence of one signal amon

1978-10-27

1980-10-21

Heyman, John S.

328 55, H03K 520, H03K 5159

Patent

active

042297028

ABSTRACT:
A circuit for detecting the relative time of occurrence of first and second signals applied to first and second terminals includes a pair of bistable flip-flops. In response to the occurrence first of the first signal the first one of the flips-flops is set to initiate the generation of a control signal. A time delay responds to the control signal and upon expiration of the time delay interval the second one of the flip-flops is set and this in turn resets the first flip-flop to terminate the control signal. In response to the first occurrence first of the second signal the second one of the flip-flops is set and this inhibits the setting of the first flip-flop. In the event that the first and second signals occur simultaneously the second flip-flop sets quickly resetting the first flip-flop. In response to either signal, a conductive path is established between the terminals.

REFERENCES:
patent: 3112450 (1963-11-01), Krause
patent: 3327226 (1967-06-01), Nourney
patent: 3532994 (1970-10-01), Ferrier
patent: 3600690 (1971-08-01), White
patent: 4105947 (1978-08-01), Crowley

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