A hearing system has a first device and a second device. The first device acoustically couples to skin of a user of the hearing system and includes a sensor to detect acoustic signals. The second device includes a hearing stimulator arrangement to stimulate hearing of the user in response to the acoustic...http://www.google.de/patents/US7945064?utm_source=gb-gplus-sharePatent US7945064 - Intrabody communication with ultrasound
