Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Condition responsive means controls separating means
Patent
1980-02-19
1982-05-18
Rolla, Joseph J.
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Condition responsive means controls separating means
250226, 356407, B07C 5342
Patent
active
043300626
ABSTRACT:
A method and apparatus for grading and sorting articles, particularly fruit, according to size, surface blemish and surface color. Fruit is passed sequentially through a camera array which scans the surface of each fruit and measures the intensity of light reflected from successive discrete surface segments. Significant differences between such measured intensities are detected and a measurement of surface blemish is generated in accordance therewith. Size measurements are derived by counting the total number of segments in the surface of each fruit. Color measurements are derived by averaging the ratio of red light intensity to infrared light intensity reflected from each of a plurality of surface areas of each fruit. The fruit are separated and delivered to separate receivers by a mechanism responsive to the size, blemish and color measurements of the respective fruit.
REFERENCES:
patent: 3173017 (1965-03-01), Thayer
patent: 3750883 (1973-08-01), Irving et al.
patent: 4057146 (1977-11-01), Castaneda et al.
patent: 4132314 (1979-01-01), von Beckmann et al.
patent: 4134498 (1979-01-01), Jones et al.
patent: 4147619 (1979-04-01), Wassmer et al.
Conway Tim D.
Paddock Paul F.
Rolla Joseph J.
Sunkist Growers Inc.
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