Rotating head optical transmitter for position measurement...

Details Rotating head optical transmitter for position measurement... Rotating head optical transmitter for position measurement...

G - Physics

01

C

G01C 15/00 (2006.01) G01S 1/54 (2006.01) G01S 1/70 (2006.01) G01S 5/16 (2006.01) G06Q 10/00 (2006.01)

Patent

CA 2314882

An optical transmitter for use in position location or position measurement systems includes (i) an assembly including two optical sources that generate two optical beams which diverge in known ways in a first and second plane, respectively, and are narrow in the orthogonal planes, (ii) a power source which provides power to the assembly to rotate it at a constant angular velocity or with a previously known pattern of velocities through each complete rotation of the assembly, and (iii) a signaling unit that emits a synchronization signal at a specific rotational position of the assembly. The optical transmitter can be used in systems for determining points, lines, planes, distances, areas, volumes, azimuth, elevation, range, angles, or any other positional or spatial variable. The optical transmitter has wide application in, for example, surveying, construction, and the creation of virtual or real environments.

La présente invention concerne un émetteur optique pour système de localisation et de mesure de position qui comprend: (i) un ensemble composé de deux sources optiques qui émet deux faisceaux optiques à divergence connue, dans un premier et dans un second plan, et à faible écartement dans les plans orthogonaux; (ii) une source de puissance qui alimente l'ensemble et le fait tourner à une vitesse angulaire constante ou selon un schéma connu de vitesses pour chaque tour complet de l'ensemble; et (iii) un module de signalisation qui émet un signal de synchronisation en un point déterminé de la rotation de l'ensemble. Cet émetteur optique convient pour des systèmes de détermination de points, de lignes, de plans, de distances, de superficies, de volume, d'azimut, d'élévation, de portée, d'angles ou de toute autre variable de position ou d'espace. Il se prête à de multiples applications dans l'arpentage, la construction et les environnements à réalité virtuelle ou réelle.

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