Autotrip operation of a sorting machine using color sorting

Details Autotrip operation of a sorting machine using color sorting Autotrip operation of a sorting machine using color sorting

1991-06-03

1994-01-11

Smith, Jerry

Boots, shoes, and leggings

209564, 209582, 356407, 250226, B07C 5342

Patent

active

052787680

ABSTRACT:
A dynamic trip level setting apparatus is described for changing the comparison ratio with which products are optically sorted using first and second reflectance color values. The reflectance ratio for each image sorted is supplied to a RAM to update the RAM's memory. The dynamic values in the RAM are periodically employed to update a color sensitivity factor supplied to a battery-backed RAM. The battery-backed RAM value is employed in a logic device employing an algorithm and produces a variable output against which the ratio of "breaker" products (neither above a first color acceptance level nor below a second color reject level) is compared to produce a reject signal when the comparison results in an output indicating reject is appropriate.

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