ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,731,899, issued on Sept. 8, was assigned to GUANGDONG COROS SPORTS TECHNOLOGY Co. LTD (Dongguan City, China).

"Antenna structure and wearable electronic device" was invented by Xianwei Shi (Dongguan City, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An antenna structure and a wearable electronic device. The antenna structure includes a ring radiator provided with a feeding point, a first grounding point and a second grounding point, the feeding point is used for an electrical connection to a location determination element, and the first grounding point and the second grounding point are used for grounding respectively; a first antenna configured...