G - Physics – 01 – J
Patent
G - Physics
01
J
73/56, 209/29.11
G01J 3/50 (2006.01) B07C 5/342 (2006.01) G01J 3/51 (2006.01)
Patent
CA 1044482
ABSTRACT OF THE DISCLOSURE An apparatus for grading articles of agricultural produce according to frequency components of radiant energy received therefrom. An objective lens focuses, at an image plane, radiant energy received from an object to be graded. A field stop is provided at or near the image plane for de- fining a field of view that includes an article to be graded. A fiber optic bundle having first and second ends, is also provided. A fiel? lens is provided adjacent the stop for forming an image onto one end of the fiber optic bundle. A diffuser is positioned at the second end of the bundle for diffusing radiant energy emerging from the other end of the fiber optic bundle. A plurality of photodetectors are posi- tioned to receive radiant energy emerging from the diffuser. A plurality of color filters are disposed in front of the photo- detector for passing to each of the photodetect ?s a respective frequency component of the radiant energy.
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