ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,504,512, issued on Dec. 23, was assigned to AUTEL ROBOTICS Co. LTD. (Shenzhen, China).

"Joint calibration method and apparatus, electronic device and unmanned aerial vehicle" was invented by Yanfeng Dang (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A joint calibration method is implemented in an unmanned aerial vehicle. In the method, pose information of a detection radar is obtained, and the pose information includes a ground height of the detection radar and a pitch angle of the detection radar. Target calibration parameters matching the pose information in a preset calibration parameter set are obtained. The calibration parameter s...