Patent 7612718 was granted and assigned to Hrl Laboratories, Llc on November, 2009 by the United States Patent and Trademark Office.
An apparatus and methods for operating a frequency selective surface are disclosed. The apparatus can be tuned to an on/off state or transmit/reflect electromagnetic energy in any frequency. The methods disclosed teach how to tune the frequency selective surface to an on/off state or transmit/reflect electromagnetic energy in any frequency.