ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,407,233, issued on Sept. 2, was assigned to AAC Microtech (Changzhou) Co. Ltd. (Changzhou, China).
"Linear vibration motor" was invented by Weibo Chen (Changzhou, China) and Xiaorong Zhou (Changzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A linear vibration motor includes a housing with a receiving space, a vibration assembly, and a coil. The vibration assembly includes a mass block, a magnet assembly fixed to the mass block, and an elastic member. The mass block is provided with a receiving space for receiving the magnet assembly. The mass block includes a side wall and a bottom wall that enclose to form the receiving space. The magnet as...