Dual illumination apparatus for container inspection

Details Dual illumination apparatus for container inspection Dual illumination apparatus for container inspection

1998-01-27

2000-05-09

Font, Frank G.

Optics: measuring and testing

Inspection of flaws or impurities

Having predetermined light transmission regions

356239, 356240, 356428, G01N 2100

Patent

active

060611251

ABSTRACT:
A container inspection system wherein diffused light and collimated light provide backlighting to image a container (10) by a color camera (18). Light strobed through a ring light (36) and parabolic reflector (39) is diffused at a diffusion laminate (46). Light strobed through a ring light (60) and parabolic reflector (64) is collimated at lens (68) and aligned with the diffused light by reflector laminate (48). Diffused light is filtered by a blue band-pass filter (42) and collimated light is filtered by a red band-pass filter (66) and camera (18) segregates the container image according to blue and red color planes.

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