A portable intra-oral capture and display system includes: (a) a handpiece elongated for insertion into an oral cavity, said handpiece including a light emitter on a distal end thereof for illuminating an object in the cavity and an image sensor for capturing an image of the object and generating an...http://www.google.es/patents/US7057639?utm_source=gb-gplus-sharePatente US7057639 - Intra-oral camera with integral display
