ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,186, issued on May 27, was assigned to AAC Microtech (Changzhou) Co. Ltd. (Changzhou, China) and AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) Co. LTD. (Shenzhen, China).
"Vibration motor" was invented by Jie Ma (Shenzhen, China), Zhiyong Cui (Shenzhen, China) and Yao Wang (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure discloses a linear motor having a housing with an receiving space, a vibration unit and a stator unit received in the receiving space. The vibrator unit includes a weight and an elastic member fixed to the weight. The elastic member includes a first fixation portion fixed to the weight and a second fixat...