Data capture in an uninterrupted counter

Details Data capture in an uninterrupted counter Data capture in an uninterrupted counter

1983-08-03

1985-05-21

Heyman, John S.

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

Systems

Counter controlled counter

377 30, 377 37, H03K 2118, H03K 2134, H03K 2110

Patent

active

045190917

ABSTRACT:
A method of sampling accurately the instantaneous content of a high speed counter without interrupting the counting process is provided. The method is applicable even when the higher order digits of the counter are constructed by slower switching circuits configured in either a synchronous or ripple-through arrangement. The switching and carry propagation times of these higher order counters need not be shorter than the time between successive events being counted. Sampling of the contents may be made repeatedly in the interim without affecting the totality of the final count.

REFERENCES:
patent: 3605025 (1971-09-01), Lincoln et al.
patent: 3735387 (1973-05-01), Miller
patent: 3863153 (1975-01-01), Eshraghian
patent: 4468797 (1984-08-01), Shin

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