Patent 7619574 was granted and assigned to Rockwell Collins on November, 2009 by the United States Patent and Trademark Office.
A tunable antenna comprises a conductor, a shunt inductance tuning element, a switch that controls the shunt inductance tuning element and the conductor, and a local ground connected to the shunt inductance tuning element. The switch is capable of activating the shunt inductance tuning element to change a frequency and bandwidth of the tunable antenna.