A system for inductively coupling power and data to a portable electronic device. A portable device, such as a personal digital assistant, is powered or recharged via an inductive link between the device and a support unit, thereby eliminating the need for cabling or other connections therebetween. The...http://www.google.de/patents/US5455466?utm_source=gb-gplus-sharePatent US5455466 - Inductive coupling system for power and data transfer
