The present invention relates to a light scanner device (10) for measuring a range and an angular direction of a target object (56), the device (10) comprising a pulsed source (12) adapted to transmit light pulses, a transmitter deflection means (20) adapted to reflect and sweep the transmitted light...http://www.google.com/patents/US7349074?utm_source=gb-gplus-sharePatent US7349074 - Laser scanning and sensing device for detection around automatic doors
