Optical sensing system and optical devices therefor

G - Physics – 01 – N

Patent

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Details

G01N 21/55 (2006.01) A01M 7/00 (2006.01) A01M 21/04 (2006.01) G01N 21/25 (2006.01) G01N 21/35 (2006.01) G01N 21/39 (2006.01)

Patent

CA 2659522

A sensing system comprises a light source having three or more distinct wavelengths for illuminating a plurality of distinct areas in a field of view, a sensor for measuring the reflectance of the distinct areas at each of the distinct wavelengths, and an identifier for identifying at least one object in the field of view from the measured reflectance at each of the wavelengths.

La présente invention concerne un système de détection comportant une source lumineuse ayant trois longueurs d'onde différentes pour éclairer une pluralité de zones différentes dans un champ, un capteur pour mesurer le facteur de réflexion des différentes zones à chacune des longueurs d'onde différentes, et un identifiant pour identifier au moins un objet dans le champ à partir du facteur de réflexion à chacune des longueurs d'onde.

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