Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Condition responsive means controls separating means
Patent
1979-05-30
1982-01-05
Rolla, Joseph J.
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Condition responsive means controls separating means
209587, 209939, 209701, 250223R, 356 72, 358106, B07C 5342
Patent
active
043089593
ABSTRACT:
An apparatus for sorting articles based upon the presence of defects on the surface thereof is characterized by a roller conveyor carrying a random array of articles in transverse channels defined between adjacent rollers. As the conveyor is advanced through a viewed area the articles are simultaneously rotated such that electrical images are formed of the portions of the surface of each article within a viewing zone defined in each channel during a given time frame. The viewing zones advance a predetermined distance through the viewed are in synchronization with the scanning of the electrical images. A characteristic signal for the portion of the electrical image corresponding to each article is developed and output to a processor. The processor generates a classification signal representative of the acceptability of each article based upon the percentage of total surface of area or number of defects on the surface each article.
REFERENCES:
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patent: 4095696 (1978-06-01), Sherwood
patent: 4122951 (1978-10-01), Alaminos
patent: 4147619 (1979-04-01), Wassmer et al.
patent: 4163991 (1979-08-01), Burrig
R. G. Neuhauser, "The Silicon-Target Vidicon," 6-17-76, RCA Manual.
Brazell Charles R.
Codding Elias H.
Hoover Michael C.
Lockett James F.
Mehta Shyam B.
Geosource Inc.
Rolla Joseph J.
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