Patent 7271683 was granted and assigned to Plasma Antennas Limited on September, 2007 by the United States Patent and Trademark Office.
An electromagnetic switch element that through electromechanical actuation is able to be used to influence the propagation of an electromagnetic signal within a guiding medium. An electromagnetic switch element that is activated by displacement of conducting elements, the displacement being forced through electrostatic, electric field, magnetic field, thermal or other means.