A network device is disclosed. The network device includes an incoming power port, an outgoing power port, an internal circuit, and a power storage system connected to the incoming power port, the outgoing power port and the internal circuit. In alternative embodiments, the device may include a power...http://www.google.de/patents/US7152168?utm_source=gb-gplus-sharePatent US7152168 - Recharging power storage devices with power over a network