ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,748,200, issued on Sept. 29, was assigned to Motional AD LLC (Boston).

"Light source characterization system" was invented by Yong Zhou (New Kensington, Pa.) and Geng Fu (Belmont, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Various measurement systems and methods are disclosed to enable characterizing the optical characteristics of light beams emitted by a light detection and range finding (LIDAR) system or sensor and evaluating the range finding function of user selected lidar channels while the lidar operates under a real operational condition and is exposed to a range of user defined environmental conditions."

The patent was filed on Dec. ...