Method and apparatus for statistical counting

Details Method and apparatus for statistical counting Method and apparatus for statistical counting

1974-06-19

1976-06-15

Claffy, Kathleen H.

Communications: electrical

Audible indication

Percussion-type sound producer

235154, H03K 1300

Patent

active

039640590

ABSTRACT:
A method and apparatus for counting a large number of events by storing in a register a smaller number statistically related to the large number.
An estimate v is stored representing the actual number of events n according to a logarithmic relationship. The register is updated only if (1) an event occurs to be counted and (2) a random number r obtained from a sample with uniform distribution over the interval 0,1 is less than ##EQU1## WHERE A IS A NUMERICALLY DERIVED PARAMETER CONTROLLING THE SIZE OF THE EVENT COUNT.

REFERENCES:
patent: 3863248 (1975-01-01), Deschenes et al.
patent: 3866024 (1975-02-01), Williams

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