Exemplary embodiments are directed to wireless power transfer. A portable wireless power charger includes an antenna configured to generate a magnetic near-field for coupling of wireless power to a wireless powered device including a receiver. The antenna is substantially disposed around the perimeter...http://www.google.de/patents/US20100127660?utm_source=gb-gplus-sharePatent US20100127660 - WIRELESS POWER TRANSMISSION FOR PORTABLE WIRELESS POWER CHARGING
