A system and method for stimulating a nerve, wherein the system includes a first waveform generator adapted to generate a first waveform having a frequency capable of stimulating a predetermined nerve of the mammal, a second waveform generator adapted to generate a carrier waveform having a frequency...http://www.google.es/patents/US20050277998?utm_source=gb-gplus-sharePatente US20050277998 - System and method for nerve stimulation