ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,738,654, issued on Sept. 15, was assigned to SN Space Systems Ltd. (Long Beach, Calif.).
"Flat panel antenna" was invented by Shafaq Kausar (Artesia, Calif.), Ninh Le (Huntington Beach, Calif.) and Erik Fountain (Irvine, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A flat panel antenna fed by a planar feed array and steered by varactors performs the function of a single beam phased array antenna. This flat panel antenna has a planar array to passively amplify radio frequency (RF) signals, and a transmitarray metasurface having an array of unit cells to steer the antenna's main beam. It uses varactors to dynamically control the phase shift for ...