System and method for optically sensing motion of objects

Details System and method for optically sensing motion of objects System and method for optically sensing motion of objects

G - Physics

01

S

G01S 7/41 (2006.01) G01S 7/48 (2006.01) G01V 8/20 (2006.01) H01S 5/026 (2006.01) H01S 5/42 (2006.01)

Patent

CA 2430337

A multiple laser optical sensing system and method for detecting target characteristics are disclosed. The system includes a laser source with at least two emission apertures from which laser signals are emitted. The system also includes at least one detector, which is operationally responsive to the laser source. Finally, the system includes a microprocessor that is operationally coupled to the detector(s). In operation, the laser source emits into an environment at least two laser signals, one from each emission aperture. The detector detects the laser signals after the signals pass through the environment, which is occupied by a target, and the microprocessor determines target characteristics based on the laser signals received by the detectors.

Cette invention se rapporte à un système et à un procédé de détection optique à lasers multiples qui permettent de détecter les caractéristiques d'une cible, ce système comprenant une source laser ayant au moins deux ouvertures d'émission à partir desquelles sont émis des signaux laser. Ce système comprend également au moins un détecteur, qui réagit en mode opérationnel à la source laser. Ce système comprend enfin un microprocesseur qui est couplé en mode opérationnel au(x) détecteur(s). Lors de l'utilisation, la source laser émet dans l'environnement au moins deux signaux laser, un à partir de chaque ouverture d'émission. Le détecteur détecte ces signaux laser après le passage des signaux à travers l'environnement, lequel est occupé par la cible, et le microprocesseur détermine les caractéristiques de la cible sur la base des signaux laser reçus par le/les détecteur(s).

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