ALEXANDRIA, Va., June 17 -- United States Patent no. 12,317,039, issued on May 27, was assigned to TRANSOUND ELECTRONICS Co. LTD. (Dongguan, China).

"Bone conduction receiver" was invented by Tseng-Feng Wen (Dongguan, China), Hui Xue (Dongguan, China) and Yangfang Chen (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A bone conduction receiver includes a housing, a vibrating plate, a bracket, a magnetic loop assembly, a coil, and a protective cover. The vibrating plate is disposed inside the housing and keeps a distance from an inner bottom of the housing. The protective cover is located on one side of the vibrating plate, facing away from the inner bottom of the housing, and covers the openin...