ALEXANDRIA, Va., June 18 -- United States Patent no. 12,324,716, issued on June 10, was assigned to Shenzhen Shuye Technology Co. Ltd. (Shenzhen, China).
"Electric toothbrush, and motor control method, device, system, control board, and medium for the same" was invented by Hongxin Ye (Zhejiang Province, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electric toothbrush, and a motor control method, a device, a system, a control board, and a storage medium for the same. The motor control method for an electric toothbrush includes: obtaining a start or regulation signal; controlling a motor shaft of the electric toothbrush to vibrate at a preset frequency relative to a preset oscillation centerline acc...