A projector assembly includes a multi-pixel frame projector that sequentially projects each pixel making up a frame to a viewing surface, a movement detector coupled to the projector to detect a physical movement of the projector, and a movement compensator coupled to the projector, the movement compensator...http://www.google.de/patents/US7857460?utm_source=gb-gplus-sharePatent US7857460 - Image stabilization in a laser-scanning based projector