Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Condition responsive means controls separating means
Patent
1986-10-14
1989-02-28
Cherry, Johnny D.
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Condition responsive means controls separating means
209587, 356425, 364526, B07C 5342, G01J 346
Patent
active
048077623
ABSTRACT:
The procedure includes observation of each grain by optic-electronic devices and consists of an initial stage during which several values, representing color signals, are extracted and read and are then processed by a computer to reduce all the signals to two numbers only, defining a pair of coordinates on a plane where the colorimetric characteristics of the grains are represented, and of a second stage in which each grain is automatically classified within an electronic grid, related to the above plane, wherein an operator has already assigned the squares for classes of unacceptable grains. The machine includes an analog-to-digital converter able to convert the analog signals received from the observation devices into binary form, two adapter circuits, a computer and a memory for controlling, sampling and analog-numerical conversion of the color signals, also for storing all samples obtained, as well as for executing the above first and second stages of the procedure.
REFERENCES:
patent: 3878384 (1975-04-01), Bowker
patent: 4143770 (1979-03-01), Grimmell et al.
patent: 4235342 (1980-11-01), Braham
patent: 4278538 (1981-07-01), Lawrence et al.
patent: 4402611 (1983-09-01), Yuasa
patent: 4414635 (1983-11-01), Gast et al.
Illy Ernesto
Maughan William S.
Cherry Johnny D.
Gunson's Sortex Limited
Illycaffe S.p.A.
Kontler Peter K.
Wacyra Edward M.
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