Patent ID: 6069696
Filing Date: 2000-05-30
Classification: G01G,G01J,G06K

Abstract:
An apparatus comprising:a housing having an inspection aperture;a light collection system positioned on one side of said inspection aperture so as to receive light reflected from objects located on the other side of said inspection aperture;a light separator connected to said light collection system, whereby light collected by said light collection system is separated into different color components corresponding to colors of an object to be identified;an optical detector positioned so as to receive said different color components, said optical detector having an output signal dependent upon intensities of said different color components, said output signal having energy peaks for each of said different color components present in said object to be identified; anda pattern recognition system connected to said optical detector and responsive to said output signal, wherein said pattern recognition system classifies said object based upon the relative widths of said energy peaks for a plurality of said different color components.