Method and apparatus for detecting solid substances contained in

Details Method and apparatus for detecting solid substances contained in Method and apparatus for detecting solid substances contained in

1974-10-29

1976-03-09

Smith, Alfred E.

Optics: measuring and testing

Refraction testing

Prism engaging specimen

356104, G01N 1502

Patent

active

039428974

ABSTRACT:
Method and apparatus for detecting and measuring solid alien substance(s), which may adversely exist in a liquid contained in a transparent container, are provided. Light is applied to the container as it is rapidly rotated and then suddenly stopped to cause floating or suspending the solid substance(s) in the liquid. The light passed through the liquid or passed through light and also the light reflected from the solid substance(s) are separately captured and their individual intensities are measured by means of photometry. The method and apparatus may be utilized for sorting out the transparent liquid from that contaminated with solid impurity, depending upon the intensity(s) of the captured light or lights.

REFERENCES:
patent: 2635194 (1953-04-01), Kellogg et al.
patent: 3415997 (1968-12-01), Vinzelberg et al.
patent: 3591290 (1971-07-01), Zinner et al.
patent: 3602640 (1971-08-01), Maillet et al.
patent: 3811567 (1974-05-01), Tomita et al.

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