High speed accurate low frequency counter

Details High speed accurate low frequency counter High speed accurate low frequency counter

1976-03-23

1977-05-31

Wise, Edward J.

Registers

Transfer mechanism

Traveling pawl

324 78D, 324 79D, 235 92FQ, G01R 2300

Patent

active

040271463

ABSTRACT:
A frequency counter is disclosed which determines the frequency of an input signal in a high speed and accurate manner. High speed is achieved by utilizing electronic digital processing circuitry. The high degree of accuracy is achieved by a combination of elements which perform period averaging of an integral number of periods of the input signal over a flexible measurement interval. The counter is particularly useful in accurately measuring low frequency signals.

REFERENCES:
patent: 3366886 (1968-01-01), Dryden
patent: 3518540 (1970-06-01), Roberts
patent: 3559066 (1971-01-01), Pincus
patent: 3729677 (1973-04-01), Band
patent: 3829785 (1974-08-01), Schroder et al.
patent: 3909716 (1975-09-01), Diekers
patent: 3930199 (1975-12-01), Valis
patent: 3939411 (1976-02-01), James

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