ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,432,502, issued on Sept. 30, was assigned to GOERTEK INC. (Weifang, China).
"Sound production apparatus and electronic device" was invented by Chunfa Liu (Shandong, China), Jianbin Yang (Shandong, China), Jianxin Wang (Shandong, China) and Shousong Qiang (Shandong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed in the present disclosure are a sound production apparatus and an electronic device. The sound production apparatus comprises a holder, a vibration unit, an elastic member, and a damping member, wherein the elastic member connects the holder and the vibration unit, and the damping member is disposed on the elastic member. The tec...