Patent ID: 8493192

Claim:
An immobilizer device for communicating with a base station for operation of a circuit connected to the base station, the immobilizer device comprising: an antenna circuit including three antennas orthogonally-oriented relative to one another, each antenna being configured to receive wireless transmissions from a remote base station; a wireless power circuit connected to the antenna circuit and configured to provide power using signals received from the base station via at least one of the three antennas; a communications circuit powered by the wireless power circuit, connected to the antenna circuit and configured to generate signals corresponding to the received wireless transmissions on each of the antennas, and provide each generated signal on a channel corresponding to the antenna, provide data communications received from the base station via at least one of the channels, and transmit data to the base station via an antenna corresponding to one of the channels; and a logic circuit configured to process data communications on at least one of the channels, and to generate a data communication for transmission to the base station using the communications circuit and the one of the antennas corresponding to the at least one of the channels.