ALEXANDRIA, Va., June 9 -- United States Patent no. 12,289,641, issued on April 29, was assigned to Alibaba Group Holding Ltd. (Grand Cayman, Cayman Islands).

"Frequency point changing method and apparatus" was invented by Wenbing Chen (Hangzhou, China) and Xiaobo Yu (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the present disclosure provide frequency point changing methods and apparatuses. The method can include: transmitting a first beacon frequency point request message to a first base station, the first beacon frequency point request message comprising first frequency point information, wherein the first base station is enabled to transmit the first beacon frequency poin...