Continuous counting device

Details Continuous counting device Continuous counting device

1988-07-18

1989-09-26

Heyman, John S.

Electrical pulse counters, pulse dividers, or shift registers: c

Systems

Counter controlled counter

377 20, 377 28, 377 52, 377107, 328 72, 3281291, H03K 2138, H03K 2140

Patent

active

048706647

ABSTRACT:
Sampling pulses for determining a series of measurement periods are each synchronized, by a synchronizing circuit, with one of a plurality of input signal pulses to be measured. A first counter responds to the synchronized sampling pulse to start the counting of the input signal pulses. When the first counter has counted a predetermined number M of input signal pulses, a second counter starts counting the input signal pulses at the initial value M and stops the counting in response to the next synchronized sampling pulse. The count value of the second counter is applied to a display during the next counting of the input signal pulses by the first counter up to the predetermined number.

REFERENCES:
patent: 3680116 (1972-07-01), Rademacher et al.
patent: 3808407 (1974-04-01), Ratz
patent: 3936745 (1976-02-01), Harrington
patent: 4001699 (1977-01-01), Denny et al.
patent: 4151404 (1979-04-01), Harrington et al.

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