Dial pulse receiver

Details Dial pulse receiver Dial pulse receiver

1974-09-27

1976-03-02

Robinson, Thomas A.

179 7R, H04Q 342, H04J 312

Patent

active

039419371

ABSTRACT:
A dial pulse receiver having a clock pulse input to a counter and a first and second flip-flop. The outputs of the two flip-flops are coupled to an exclusive OR gate to reset the counter. The counter output and the two outputs of the second flip-flop are coupled to an output gate and latch configuration. The counter is set to enable the latches so only a legitimate dial pulse is recorded.

REFERENCES:
patent: 3366778 (1968-01-01), De Stefano
patent: 3395353 (1968-07-01), King
patent: 3725598 (1973-04-01), Braun et al.
patent: 3851110 (1974-11-01), Kelly et al.

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