A preferred embodiment of the present invention provides a method of addressing a digital micromirror device (DMD) having an array of electromechanical pixels (20) comprising deflectable beams (30) wherein each of the pixels (20) assume one of two or more selected stable states according to a set of...http://www.google.es/patents/US5382961?utm_source=gb-gplus-sharePatente US5382961 - Bistable DMD addressing method
