ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,500, issued on Jan. 20, was assigned to AAC Technologies (Nanjing) Co. Ltd. (Nanjing, China).
"Linear drive device" was invented by Weiling Shi (Nanjing, China), Xueyuan Zhu (Nanjing, China), Shun Guo (Nanjing, China) and Lin Qian (Nanjing, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a linear drive device, which includes: a stator including a stator body and a plurality of coils. The linear drive device further includes a rotor including a rotor body supported on the stator body, and a magnetic steel fixed on the rotor body, a first position feedback unit fixed on the rotor body, and multiple drivers. The mul...