ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,235, issued on April 21, was assigned to Jilin University (Changchun City, China).

"Dual-mode active rear-wheel steering device based on differential principle" was invented by Junnian Wang (Changchun, China), Dongxu Fu (Changchun, China), Shuo Zhuang (Changchun, China), Kefu Zhu (Changchun, China) and Chunlin Zhang (Changchun, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dual-mode active rear-wheel steering device, including: a steering angle control motor, a speed-reduction mechanism, a differential mechanism assembly, two steering motion conversion mechanisms, a first electromagnetic clutch and a second electromagnetic clutch. An outpu...