ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,562,481, issued on Feb. 24, was assigned to Huawei Technologies Co. Ltd. (Shenzhen, China).
"Antenna apparatus and base station" was invented by Choubey Prem Narayan (Shenzhen, China), Xue Bai (Dongguan, China) and Guoqing Xie (Dongguan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are antenna apparatus and a base station, where the antenna apparatus includes a first radiator configured to radiate a low-frequency signal and a second radiator configured to radiate a high-frequency signal, the first radiator comprising at least one first stub and at least one second stub; one end of the first stub is connected to a first connecting point ...