Optics: measuring and testing – Inspection of flaws or impurities – Having predetermined light transmission regions
Patent
1990-08-13
1992-01-28
McGraw, Vincent P.
Optics: measuring and testing
Inspection of flaws or impurities
Having predetermined light transmission regions
250574, 356440, G01N 2189, G01N 2105
Patent
active
050838628
ABSTRACT:
A device for detecting the flow of fluid through the lumen of a transparent or translucent tube and the presence or absence of bubbles in such flowing fluid is disclosed.
REFERENCES:
patent: 3812482 (1974-05-01), Clark
patent: 4344429 (1982-08-01), Gupton et al.
patent: 4529306 (1985-07-01), Kilham et al.
City of Hope
Irons Edward S.
McGraw Vincent P.
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