Sorting method and apparatus

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United States of America Patent

PATENT NO 9000319
APP PUB NO 20120074047A1
SERIAL NO

13141863

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Abstract

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A method of and apparatus for sorting foreign matter from a flow, the method comprising the steps of: identifying objects within a flow; for each identified object, determining reflectance intensities at at least two different wavelengths or ranges of wavelengths; and for each identified object, comparing the reflectance intensities at the at least two different wavelengths or ranges of wavelengths to a reference intensity profile, wherein the identified object is characterized as foreign matter when the reflectance intensities at the at least two different wavelengths or ranges of wavelengths fall within a predetermined region of the reference intensity profile.

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Patent Owner(s)

Patent OwnerAddress
BÜHLER UK LTD20 ATLANTIS AVENUE LONDON E16 2BF

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Deefholts, Benedict London, GB 3 10

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