A telemeter is used to measure the distances between a sequence of points on a target surface. The telemeter includes an emitting source provided with a pulsed laser sending out a pencil of light energy in a determined direction of sight, a contra-rotating wedge communicating, to the pencil, a deflection...http://www.google.de/patents/US5359403?utm_source=gb-gplus-sharePatent US5359403 - Telemetry device and application thereof to a system for the detection of obstacles
