ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,525,719, issued on Jan. 13, was assigned to Comba Telecom Technology (Guangzhou) LTD. (Guangdong, China) and Comba RF Technology (Guangzhou) LTD (Guangdong, China).

"Coupling structure, resonant structure, low-frequency radiation unit, antenna and electromagnetic boundary" was invented by Zhanjun Lai (Guangdong, China), Zhilun Zheng (Guangdong, China), Mingchao Li (Guangdong, China), Guosheng Su (Guangdong, China), Jiaju Liang (Guangzhou Guangdong, China), Peitao Liu (Guangzhou Guangdong, China) and Qiang Wang (Guangzhou Guangdon, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a coupling structure and a resonant str...