Patent ID: 6290188
Filing Date: 2001-09-18
Classification: B61L

Abstract:
A system for avoiding collisions of track-guided vehicles on a track, the system comprising:a plurality of track-guided vehicles having a front and a back;a plurality of sensors, affixed to the front of each of said plurality of track-guided vehicles, said plurality of sensors being placed and focused to illuminate a predetermined area in front of said track-guided vehicle;a strip of identifying reflective element disposed on the back of each of said plurality of track-guided vehicles; said strip being disposed at a predetermined height;a plurality of highly reflective non-diffusing strips each mounted on an inner face of said track wherever said track curves; andan actuator for each of said plurality of track-guided vehicles, said actuator able to decelerate said track-guided vehicle, said actuator triggered when any of the plurality of sensors mounted on the respective track-guided vehicle detect an identified reflection from another track-guided vehicle.