Apparatus for and a method of inspecting objects

Details Apparatus for and a method of inspecting objects Apparatus for and a method of inspecting objects

1995-03-22

1997-02-04

Rosenberger, Richard A.

Optics: measuring and testing

Inspection of flaws or impurities

Having predetermined light transmission regions

356236, 356446, G01N 2188

Patent

active

056004370

ABSTRACT:
Inspection apparatus comprising a light sphere and a translucent conduit passing therethrough. A light source is in communication with the interior of the sphere and is positioned to one side of the conduit. A sensor positioned to the side of the conduit remote from the light source operates to sense variations in the intensity of the light within the sphere caused by objects passing through the conduit.

REFERENCES:
patent: 2646880 (1953-07-01), Frankel
patent: 2803756 (1957-08-01), Cox
patent: 3838926 (1974-10-01), Kato et al.
patent: 3914601 (1975-10-01), Hoover et al.
patent: 4186838 (1980-02-01), Levitt et al.
patent: 4280625 (1981-07-01), Grobbelaar et al.
patent: 4645922 (1987-02-01), Welbourn et al.

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