ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,381,328, issued on Aug. 5, was assigned to AUDEN TECHNO CORP. (Taoyuan, Taiwan).
"Dual circularly polarized antenna array" was invented by Chi-Ming Chiang (Taoyuan, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A dual circularly polarized antenna array includes an insulating substrate, an M number of feed modules, and an M number of antenna groups. The insulating substrate includes an M number of preset points. The M antenna groups are respectively disposed on the M preset points, and each antenna group includes four antennas. Any two opposite ones of the four antennas jointly have a 180-degree rotational symmetry relative to a corresponding one ...