Optical measurement system

Details Optical measurement system Optical measurement system

G - Physics

01

S

G01S 5/16 (2006.01) G01B 11/26 (2006.01) G01S 17/87 (2006.01) G08C 21/00 (2006.01) G01S 17/36 (2006.01)

Patent

CA 2245665

An optical measurement system includes: at least one optical beam transmitter (16); at least one optical beam detector (22) for receiving the optical beam from the transmitter; modulation means (42) for modulating the intensity of the transmitted optical beam; processor means (32) for detecting the fractional and integer phase difference between the intensity modulation of the transmitted beam and the beam received by the receiver; and a calculator device (38) for converting the integer and fractional phase difference into a distance between the transmitter and detector.

Ce système de mesure optique comprend: au moins un émetteur (16) de faisceau optique, au moins un détecteur (22) de faisceau optique destiné à recevoir le faisceau optique provenant de l'émetteur, des moyens (42) servant à moduler l'intensité du faisceau optique émis, des moyens (32) de traitement destinés à détecter la différence de phase, fractionnaire et entière, entre la modulation d'intensité du faisceau émis et le faisceau reçu par le récepteur, ainsi qu'un calculateur (38) destiné à convertir la différence de phase, fractionnaire et entière, en une distance entre l'émetteur et le détecteur.

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