ALEXANDRIA, Va., March 31 -- United States Patent no. 12,592,758, issued on March 31, was assigned to Adeia Guides Inc. (San Jose, Calif.).

"Systems and methods for wireless surveillance" was invented by Jean-Yves Couleaud (Mission Viejo, Calif.) and Dhananjay Lal (Englewood, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods are provided for wireless surveillance. A wireless link is initiated between first and second wireless devices, and first channel state information (CSI) of the link is evaluated to determine relative locations of the devices. Evaluating the CSI comprises evaluating first and second directions of the wireless link between the first and second wireless devices via r...