ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,837, issued on Sept. 23, was assigned to TUSIMPLE INC. (San Diego).

"Detection of small objects under an autonomous vehicle chassis" was invented by Zhujia Shi (San Diego) and Xiangchen Zhao (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "An autonomous vehicle includes an under-chassis object detection system for identifying the presence of an object on a road that the autonomous vehicle is travelling upon. The under-chassis object detection system may include a LIDAR system. The object on the road that the autonomous vehicle is travelling upon is of a size that allows the vehicle's chassis to pass over the object on the road. The autonom...