Particulate counter
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United States of America Patent
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-
Nov 18, 1986
Grant Date -
N/A
app pub date -
Oct 9, 1984
filing date -
Oct 9, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A particulate counter determines the size, number and distribution by size of various particles within a vessel by the principle of near angle scattering in which the portion of a light beam which is deflected by a given particle indicates detection and sizing of that particle. The counter disregards sidelobes which are caused by interference between the deflected portion of the beam and the beam itself by allowing only a single valid particle detection to occur in the space of a given time window.
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