A method for measuring the range to multiple points on a surface by projecting a line of light onto the surface, imaging said line of light onto an XY photodetector array at an oblique angle, reading out the array one line at a time, computing the centroid of said line of light on each Y line across...http://www.google.com/patents/US20050111009?utm_source=gb-gplus-sharePatent US20050111009 - Laser triangulation system
