ALEXANDRIA, Va., July 16 -- United States Patent no. 12,671,303, issued on June 30, was assigned to AAC Microtech (Changzhou) Co. Ltd. (Changzhou, China).
"Vibration motor" was invented by Weibo Chen (Changzhou, China), Xiaorong Zhou (Changzhou, China) and Ziyang Zhang (Changzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The vibration motor includes a casing, a stator, a vibrator, and an elastic connector suspended inside the casing. The stator includes a circuit board fixed to the casing and a coil fixedly connected to the circuit board. The circuit board includes a bonding pad, and the coil includes a coil body and a lead wire. The circuit board is provided with an avoiding portion that avoids ...