ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,707,381, issued on Aug. 11, was assigned to Honor Device Co. Ltd. (Shenzhen, China).

"Secondary cell adding method, terminal, and chip" was invented by Feng Wang (Shenzhen, China), Bing Wang (Shenzhen, China) and Wenjiao Li (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A secondary cell adding method, a terminal, and a chip are disclosed, which relate to the field of communication technologies. The method is performed by a terminal and includes: camping on a first primary cell supporting NSA; receiving, a secondary cell measurement message from a network device, where the secondary cell measurement message includes a frequency of a firs...