An object is to provide a system for improving convenience for users, by which a portable electronic device or the like can be charged even in a place where utility power is not available. Another object is to provide a system which allows a service provider to easily perform customer management. A wireless...http://www.google.com/patents/US8099140?utm_source=gb-gplus-sharePatent US8099140 - Wireless power supply system and wireless power supply method
