Methods and apparatuses for correcting coincidence count errors

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

1972-09-26

1976-04-06

Thesz, Jr., Joseph M.

Registers

Platform operated

Platform actuated traffic counters

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

Patent

active

039491978

ABSTRACT:
By creating at least two related raw counts n and n.sub.i, of particles in a fluid suspension as at least two physically derived particle counts, 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, for instance, in operating upon the input n and n.sub.i raw counts for generating the ultimately desired corrected particle count N.sub.i which largely 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. Specially considered are multichannel analysis and optical apparatus for facilitating the count correction.

REFERENCES:
patent: 3444463 (1969-05-01), Coulter
patent: 3502974 (1970-03-01), Coulter

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