B - Operations – Transporting – 07 – C
Patent
B - Operations, Transporting
07
C
209/29.11
B07C 5/00 (2006.01) B07C 5/342 (2006.01)
Patent
CA 1079228
Abstract of the Disclosure A method for sorting articles of produce, such as tomatoes, according to color and for separating non-vegetable matter, such as rocks and dirt clods, from the produce. The produce articles including the non-vegetable articles are passed at an inspection position where a first electrical signal is produced in response thereto. This inspection position is illu- minated and reflected light from the produce articles is re- ceived to produce a second electrical signal which corresponds only to a predetermined amount of received visible light at first wavelength associated with a desired color characteristic of the produce article to be retained. A third electrical signal is produced as a result of received invisible light at a wavelength that is absorbed by the produce article to be retained but not by non-vegetable articles. Those produce articles that produce all three electrical signals are directed along a path different from the path containing the other articles absent of either one of the second and third signals.
287379
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