ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,413,126, issued on Sept. 9, was assigned to AAC Microtech (Changzhou) Co. Ltd. (Changzhou, China).
"Vibration exciter" was invented by Junsheng Wang (Shenzhen, China), Jie Wu (Shenzhen, China), Aijie Zhu (Shenzhen, China) and Qiang Zhang (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present application provides a vibration exciter, including a casing with an accommodating cavity, a stator assembly assembled in the casing, and a vibrator assembly assembled in the accommodating cavity and driven by the stator assembly to vibrate. The stator assembly includes a polar core fixed on an inner side of the casing and a magnetic steel fixe...