Variable resolution counter

Details Variable resolution counter Variable resolution counter

1982-02-26

1984-10-16

Heyman, John S.

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

Systems

With programmable counter

377 55, 377 56, 377 34, H03K 2134, H03K 2136

Patent

active

044779208

ABSTRACT:
A variable resolution counter is provided in which the resolution of the count decreases as the counted value increases. A set of scale control bits from the most significant bits of the counter are used to control selection of one of several prescaled signals from a prescaler. Resetting of the count value may be made conditional on the value of the count, and a flag may be provided to effectively redistribute the capacity of the counter between high and low resolution modes. A gray code of particular interest is also disclosed.

REFERENCES:
patent: 2937337 (1960-05-01), Jones et al.
patent: 3260839 (1966-07-01), Brown
patent: 3263174 (1966-07-01), Bjorkman et al.
patent: 3657658 (1972-04-01), Kubo
patent: 3705296 (1972-12-01), Kochi
patent: 4127823 (1978-11-01), Frost

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