Methods and apparatus for distributing power and data to devices coupled to the human body are described. The human body is used as a conductive medium, e.g., a bus, over which power and/or data is distributed. Power is distributed by coupling a power source to the human body via a first set of electrodes....http://www.google.com.tw/patents/US7480492?utm_source=gb-gplus-share專利 US7480492 - Method and apparatus for transmitting power and data using the human body
