A wireless control system for wireless control of a home electronic system based on the location of the wireless control system includes a transmitter circuit, an interface circuit, and a control circuit. The transmitter circuit is configured to transmit a wireless control signal having control data...http://www.google.fr/patents/US20030197594?utm_source=gb-gplus-shareBrevet US20030197594 - System and method for wireless control of home electronic systems based on location
System and method for wireless control of home electronic systems based on ...