Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Condition responsive means controls separating means
Patent
1977-04-18
1979-02-20
Rolla, Joseph J.
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Condition responsive means controls separating means
209587, 250226, 356407, 356448, B07C 5342
Patent
active
041402200
ABSTRACT:
A color recognition system is used to distinguish between objects of various colors. A plurality of light sources are arranged at a sensing station to reflect light from the object as it passes the sensing station to a plurality of cooperatively mounted light detectors. The signals produced by the plurality of detectors are compared with a reference voltage and the comparison utilized to differentiate between objects of different colors passing the sensing station. In a particular embodiment of the invention, the color recognition system is incorporated in a ball separator for a pool table to separate the entirely white cue ball from the partially or wholly differently colored object balls and to divert the cue ball into a first storage station and the object balls into a separate storage station.
REFERENCES:
patent: 1774433 (1930-08-01), Gardiner
patent: 2574030 (1951-11-01), Green
patent: 3206022 (1965-09-01), Roberts et al.
patent: 3382975 (1968-05-01), Hoover
patent: 3599771 (1971-08-01), Hinterstocker
De Meo Edgar
Hazeltine Barrett
Simon Richard M.
Rolla Joseph J.
U.S. Billiards, Inc.
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