ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,701,351, issued on Aug. 4, was assigned to GOERTEK TECHNOLOGY Co. LTD. (Qingdao, China).

"Earcap structure and earphone" was invented by Wei Tang (Qingdao, China), Changhong Zhao (Qingdao, China), Shuai Zhang (Qingdao, China) and Junwei Wang (Qingdao, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are an earcap structure and an earphone. The earcap structure includes an earcap body provided with an installation channel, the installation channel is sleeved on an outside of an in-ear body of an earphone, a cavity is provided in a wall of the installation channel, and the cavity is filled with a fluid filler to make the cavity squeezed and d...