Methods and apparatuses for correcting coincidence count inaccur

Details Methods and apparatuses for correcting coincidence count inaccur Methods and apparatuses for correcting coincidence count inaccur

1974-03-26

1976-04-06

Thesz, Jr., Joseph M.

Registers

Platform operated

Platform actuated traffic counters

324 71CP, 235 92R, G01N 2700, G06M 1100

Patent

active

039491986

ABSTRACT:
By creating at least two related raw counts N.sub.1 and N.sub.2, of particles in a fluid suspension either as two physcially derived particle counts, or one physical count and an artificial count derived from the physical count, there can be developed a mathematic function relationship by which the "scanning constant" K of a particle analyzer, for example of a Coulter type, can be factored out and a resultant equation obtained. The resultant equation is employable in operating upon the input N.sub.1 and N.sub.2 raw counts for generating the ultimately desired corrected particle count N.sub.0, which eliminates particle coincidence errors. The disclosure encompasses several methods and apparatuses by which the raw counts are developed and by which the related mathematic functions are defined and then employed to obtain corrected counts.

REFERENCES:
patent: 3444463 (1969-05-01), Coulter

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