ALEXANDRIA, Va., May 19 -- United States Patent no. 12,633,812, issued on May 19, was assigned to AAC Microtech (Changzhou) Co. Ltd. (Changzhou, China).

"Vibrating motor with elastic piece with arms and fixing portion fixed to mass block" was invented by Xin Jin (Changzhou, China), Fan Zhang (Changzhou, China), Wei Song (Changzhou, China) and Ronglin Linghu (Changzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vibrating motor includes a housing defining an accommodating space, a vibrating unit accommodated in the accommodating space, an elastic piece elastically suspending the vibrating unit, and a driving assembly accommodated in the housing. The driving assembly drives the vibrating unit to vi...