Telegraphy – Systems – Simplex-reversing periodic
Patent
1974-08-30
1976-05-18
Griffin, Robert L.
Telegraphy
Systems
Simplex-reversing periodic
178 6, 178DIG1, 178DIG5, 178DIG36, 178DIG37, 178DIG38, 178 72, 250359, 250360, 250358R, H04N 718
Patent
active
039580784
ABSTRACT:
Articles such as glass jars filled with food products are inspected for defects by scanning an x-ray image to provide video signals which are processed in a novel manner to provide increased sensitivity to detect very small foreign particles without decreasing a tolerance for normal variations, to inspect substantially the entire contents of a container such as a jar even if it has a varying diameter, without the need for precise positioning of the articles within an inspection zone, and without a need for an x-ray or optical mask tailored to fit each type of jar to be inspected.
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Fowler Robert Z.
Hautaniemi Bruno W.
Jorgensen Hans G.
Seymour Edgar W.
Coles Edward L.
Griffin Robert L.
Ithaco, Inc.
Stephens Richard G.
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