Patent ID: 7415295
Filing Date: 2008-08-19
Classification: H01Q,H04B

Abstract:
1. A wireless communication device antenna diversity system, the system comprising: a chassis; a transceiver; a first transmission line; a second transmission line; a first antenna embedded in the chassis, and operatively connected to the first transmission line; a second antenna. embedded in the chassis, and operatively connected to the second transmission line; a regulator circuit comprising an input operatively connected to the first transmission line, an input operatively connected to the second transmission line, and an output to supply control signals responsive to conducted electromagnetic transmission line signals on the first and second transmission lines; a switch operatively connected to the transceiver, the first transmission line, and the second transmission line, and having an input to receive control signals from the regulator circuit, the switch selectively connecting the transceiver to at least one of the first and second transmission lines in response to the control signals; and, a correction circuit operatively connected to at least one of the first and second antennas, and operatively connected to at least one of the first and second transmission lines, wherein the correction circuit comprises an input to receive control signals from the regulator circuit, and is configured to modify electrical performance characteristics of at least one of the first and second antennas in response to the control signals.