Optics: measuring and testing – For size of particles
Patent
1985-01-09
1988-06-07
Buczinski, Stephen C.
Optics: measuring and testing
For size of particles
356244, 435 32, G01N 1502, G01N 2101, C12Q 118
Patent
active
H00004731
ABSTRACT:
A method and apparatus for counting small particles in a capillary tube is provided. The method and apparatus detect changes in the intensity of the direct beam passing perpendicularly through the capillary tube to count such small particles.
REFERENCES:
patent: 3275834 (1966-09-01), Stevens
patent: 3574063 (1971-04-01), Bowman
patent: 3694317 (1972-09-01), Scher
Hurley Timothy C.
Lester Robert S.
Onda Terrence A.
Smith Charles E.
Buczinski Stephen C.
Shell Oil Company
Wallace Linda J.
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