ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,253, issued on May 27, was assigned to AAC Acousitic Technologies (Shanghai) Co. Ltd. (Shanghai).
"Driving voltage generation method of linear motor" was invented by Yongyong Chen (Shenzhen, China), Yajun Zheng (Shenzhen, China) and Zheng Xiang (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a linear motor driving voltage generation method and related devices. The object is to use the driving voltage generated by the driving voltage generation method to effectively control the linear motor to express the vibration effect in a specific direction. The method of an embodiment of the present invention inclu...