A rangefinder and method are provided for measuring a distance between the rangefinder and a target by measuring the flight time of a beam reflected from the target. In an embodiment, a receiver having reduced noise detects weak reflections from the targets or targets with poor reflectivity. The receiver...http://www.google.fr/patents/US7508497?utm_source=gb-gplus-shareBrevet US7508497 - Rangefinder with reduced noise receiver
