G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 21/27 (2006.01) G01M 11/00 (2006.01) G01N 21/47 (2006.01)
Patent
CA 2476533
An apparatus for validating the operation of an optical scanning system is provided. The apparatus includes one or more scanning illumination beams (6) for scanning an object, and one or more observing beams that comprise light scattered by the object being scanned, which inversely follow the path of the illumination beams (6). The apparatus further includes a reflector structure (9) arranged to reflect both the illuminating beams and the observing beams for a portion of each scan (e.g., a scan may be a 360-degree scan in the case of a circular scanning system). The apparatus still further includes a reference target (10) arranged to be scanned by the illumination beams (6) reflected by the reflector structure (9) during said portion of each scan. Light scattered by the reference target (10) is received as the observing beams, and their optical properties are continuously monitored to validate the proper operation of the optical scanning system.
L'invention porte sur un appareil de validation des résultats d'un système de balayage optique. Ledit appareil comporte: un ou plusieurs faisceaux (6) lumineux de balayage d'un objet; un ou plusieurs faisceaux d'observation de la lumière diffusée par l'objet en cours de balayage et suivant la trajectoire inverse de celle du ou des faisceaux de balayage; une structure (9) réfléchissant à la fois les faisceaux de balayage et les faisceaux d'observation sur une portion de chaque balayage (qui peut se faire sur 360· en cas de balayage circulaire; et une cible de référence (10) balayée par les faisceaux (6) réfléchis par la structure (9) pendant la susdite portion de chaque balayage. La lumière diffusée par la cible de référence (10) constitue les faisceaux d'observation dont les propriétés optiques sont continuellement suivies pour valider la correction des résultats du système de balayage optique.
Laser Sensor Technology Inc.
Smart & Biggar
LandOfFree
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