Optics: measuring and testing – Inspection of flaws or impurities – Having predetermined light transmission regions
Patent
1991-08-19
1992-12-01
McGraw, Vincent P.
Optics: measuring and testing
Inspection of flaws or impurities
Having predetermined light transmission regions
250572, 356394, G01N 2188, G01B 1130
Patent
active
051683229
ABSTRACT:
This invention relates to an electro-optical technique which senses form type and other defects on surfaces such as sheet metal or plastic panels. Method and apparatus are disclosed for allowing the inspection of the entire surface of interest from a single point of view while reducing the complexity of defects' optical signatures to simplify their subsequent analysis.
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Clarke Donald A.
Pryor Timothy R.
Reynolds Rodger L.
Diffracto Ltd.
McGraw Vincent P.
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