ALEXANDRIA, Va., June 16 -- United States Patent no. 12,307,913, issued on May 20, was assigned to BEIJING SANKUAI ONLINE TECHNOLOGY Co. LTD. (Beijing).

"Method and system for guiding landing of unmanned aerial vehicle, auxiliary positioning system, and unmanned aerial vehicle" was invented by Jinjin Wang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure relates to a method for guiding landing of an unmanned aerial vehicle. The method for guiding landing of unmanned aerial vehicle includes: determining location information of the unmanned aerial vehicle over a target airdrome by using a plurality of position detectors in an airdrome auxiliary positioning system; generating correction gui...