Electro-optical sorter

Details Electro-optical sorter Electro-optical sorter

1983-06-15

1985-12-17

Reese, Randolph A.

Classifying, separating, and assorting solids

Sorting special items, and certain methods and apparatus for...

Condition responsive means controls separating means

209577, 209582, 250226, 356425, B07C 5342

Patent

active

045587868

ABSTRACT:
A master clock oscillator produces a series of control pulses to drive a multiple frequency L.E.D. illuminator and an optically coaxial synchronous detection system in an AC based organic/inorganic, ripe/unripe sorter. Data is collected by subjecting free-falling articles to a repetitious sampling cycle and detecting the reflected pulses. Counters running at differential rates, store binary data relating to the size and ripe/unripe condition of the article. At the end of the sampling period, an accept/reject determination is made, based upon the binary data.

REFERENCES:
patent: 3910701 (1975-10-01), Henderson et al.
patent: 3939983 (1976-02-01), Asfour
patent: 4095696 (1978-06-01), Sherwood
patent: 4146135 (1979-03-01), Sarkar et al.
patent: 4204950 (1980-05-01), Burford, Jr.
patent: 4281933 (1981-08-01), Houston et al.

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