Plural overlapped Gaussian-shaped solid state semiconductor laser beams are focused onto the recording medium surface of a printer and will not optically interfere and cause any nonuniformity in printing due to optical interference because the respective laser beams are sequenced in ON/OFF operation...http://www.google.fr/patents/US4796964?utm_source=gb-gplus-shareBrevet US4796964 - Method of utilizing a multiple emitter solid state laser in a raster output scanner (ROS)
Method of utilizing a multiple emitter solid state laser in a raster output ...
