US Patent Issued to NORTHROP GRUMMAN SYSTEMS on June 23 for "Plasma radio-frequency waveguide switch" (Maryland, Michigan Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,666,521, issued on June 23, was assigned to NORTHROP GRUMMAN SYSTEMS Corp. (Falls Church, Va.).

"Plasma radio-frequency waveguide switch" was invented by Peter A. Stenger (Woodbine, Md.), Adeyemi Adegbite (Linthicum Heights, Md.) and Grant C. Miars (Detroit).

According to the abstract* released by the U.S. Patent & Trademark Office: "The plasma radio-frequency (RF) waveguide switch utilizes the RF transmission cutoff frequency property of ionized gas (plasma) to implement an RF switch in waveguide. The plasma RF waveguide switch includes a waveguide defining an inner space and having an input port for receiving an RF signal and an output port, a plasma chamber placed in the inner spa...