Variable background for a sorting machine

Details Variable background for a sorting machine Variable background for a sorting machine

1993-01-21

1993-11-30

Bollinger, David H.

Classifying, separating, and assorting solids

Sorting special items, and certain methods and apparatus for...

Condition responsive means controls separating means

B07C 5342

Patent

active

052657329

ABSTRACT:
A background for an electro-optical sorting machine viewing station where fungible products pass during the sorting operation and are distinguished by being standard or substandard in one or more spectral ranges comprises a translucent light diffuser or frosted light diffuser and one or more variable intensity lamps for changing the color or hue quality in the spectral ranges. A bichromatic machine is equipped with two lamps, one for each spectral range, preferably orthogonally aligned to each other for beam splitting operation in conjunction with an optical beamsplitter, that separates the longer spectral range wavelengths from the shorter spectral range wavelengths.

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