ALEXANDRIA, Va., March 12 -- United States Patent no. 12,248,141, issued on March 11, was assigned to Hesai Technology Co. Ltd. (Shanghai).
"Frame synchronization method for scanning galvanometer and lidar" was invented by Yongfeng Gao (Shanghai) and Shaoqing Xiang (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A frame synchronization method for a scanning vibrating mirror and a lidar are provided. The method includes: obtaining current parameters of a reference signal, where the parameters of the reference signal include a reference signal period and a current first phase; obtaining signal parameters of a frame scanning signal along a first rotation axis of the vibrating mirror, where the signal p...