ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,594, issued on April 14, was assigned to GOERTEK INC. (Weifang City, China).

"Voice coil motor, method and device for controlling voice coil motor" was invented by Yifan Zhang (Weifang City, China), Pengbo Feng (Weifang City, China), Xueqiang Wang (Weifang City, China) and Tao Han (Weifang City, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a voice coil motor, a method and a device for controlling the voice coil motor. The voice coil motor includes an outer coil module and an inner coil module inside the outer coil module, an air gap for the inner coil module to move is formed between the inner coil module and the outer coil mo...