A laser projection display apparatus includes a laser that emits a light beam. Actuators steer the light beam in horizontal and vertical directions to generate the display images. Each of the actuators includes first and second mirrors, each of which is suspended by a gimbal. Each of the mirrors rotates...http://www.google.fr/patents/US20050093818?utm_source=gb-gplus-shareBrevet US20050093818 - Dynamic laser projection display