A thermal printer is disclosed which is adapted to form an image on a thermal print medium of a type in which a donor element transfers dye to a receiver element upon receipt of a sufficient amount of thermal energy. The printer includes a plurality of diode lasers which can be individually modulated...http://www.google.com.au/patents/US5168288?utm_source=gb-gplus-sharePatent US5168288 - Thermal a scan laser printer
