A mobile electronic device includes circuitry for contactless charging. The circuitry comprises an inductor for contactlessly receiving power and supplying the power to the mobile electronic device. A control stage coupled to the inductor and is adapted to control a supply of power received by the inductor...http://www.google.es/patents/US20090195214?utm_source=gb-gplus-sharePatente US20090195214 - CHARGING SYSTEM
