Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Condition responsive means controls separating means
Patent
1995-12-28
1998-07-14
Valenza, Joseph E.
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Condition responsive means controls separating means
209587, 209639, 209938, 250226, 356425, B07C 5342, G01J 350
Patent
active
057790582
ABSTRACT:
The color sorting apparatus includes a grain guide device, a grain feeder, an illumination device for illuminating the grain, an optical detector consisting of an optical detection section for receiving the light from the illuminated grain and a background, and ejector for rejecting the grain. The illumination device employs at least one light source having spectral energy distribution in both the visible light region and the near infrared region. At least one set of the optical detection device for monitoring a predetermined detection field is provided. The optical detection section of the optical detection device includes a first light receiving sensor having high sensitivity to the visible light region and a second light receiving sensor having high sensitivity to the near infrared region. The single color sorting apparatus is capable of sorting and rejecting not only foreign materials with color different from that of the acceptable products in the visible light region but also foreign materials with the same color as the acceptable product or transparency in the near infrared region.
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Ikeda Norimasa
Ito Takafumi
Satake Satoru
Nguyen Tuan N.
Satake Corporation
Valenza Joseph E.
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