ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,411,229, issued on Sept. 9, was assigned to Microsoft Technology Licensing LLC (Redmond, Wash.).

"Synthetic aperture radar for head mounted displays" was invented by Jouya Jadidian (Los Gatos, Calif.), Ping Liu (Bothell, Wash.), Scott Francis Fullam (Palo Alto, Calif.) and Ruben Caballero (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods are provided for using a user wearable device having a first radar array configured to perform elevation mapping of a three-dimensional environment and a second radar array configured to perform azimuthal mapping of the three-dimensional environment which is divided into a plurality o...