ALEXANDRIA, Va., April 2 -- United States Patent no. 12,266,862, issued on April 1, was assigned to The Boeing Co. (Arlington, Va.).
"Ultra-low-cost 1D-scanning antenna array" was invented by Alec Adams (Seattle), Lixin Cai (Ravensdale, Wash.) and Robert John Greenlaw (Huntington Beach, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Antenna elements are disclosed herein that include a metallic square ring patch and a metallic square ring slot to transmit or receive radio frequency (RF) signals. The disclosed antenna elements use several dielectric layers that are separated by two low-dielectric foam layers. The square ring patch is located above an upper foam layer, and a square ring slot is located b...