An adapter for providing a source of power to a mobile device through an industry standard port is provided. In accordance with one aspect of the invention, the adapter comprises a plug unit, a power converter, a primary connector, and an identification subsystem. The plug unit is operative to coupled...http://www.google.co.uk/patents/US6936936?utm_source=gb-gplus-sharePatent US6936936 - Multifunctional charger system and method
