Multi-channel bichromatic product sorter

Details Multi-channel bichromatic product sorter Multi-channel bichromatic product sorter

1988-03-22

1989-11-07

Rolla, Joseph J.

Classifying, separating, and assorting solids

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

Condition responsive means controls separating means

209582, 250226, 356407, B07C 5342

Patent

active

048785822

ABSTRACT:
A bichromatic product sorter is disclosed which uses both pattern checking and ratio checking of reflected light, indicating the color of the product, to determine the acceptability of the product. The ratio checking compares the two color components with each other against a dark background. The sorter can perform pattern checking, ratio checking, or a combination of both on the product. A number of individual channels are combined on the sorter to reduce the space and electronics required to provide a given throughput. The electronics are multiplexed to reduce the required number of components. The viewing chambers are shaped to allow improved space utilization in the classification area, reducing the total amount of space required for multiple channel operation.

REFERENCES:
patent: 3410402 (1968-11-01), Gundrum et al.
patent: 4170306 (1979-10-01), Marshall et al.
patent: 4239118 (1980-12-01), Lockett
patent: 4330062 (1982-05-01), Conway et al.
patent: 4379636 (1983-04-01), Yoshida
patent: 4454029 (1984-06-01), Codding
patent: 4513868 (1985-04-01), Culling et al.
patent: 4626677 (1986-12-01), Prowne

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