ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,387,502, issued on Aug. 12, was assigned to TRIFO INC. (Santa Clara, Calif.).

"Visual-inertial positional awareness for autonomous and non-autonomous mapping" was invented by Zhe Zhang (Sunnyvale, Calif.), Grace Tsai (Campbell, Calif.) and Shaoshan Liu (Fremont, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The described positional awareness techniques employing visual-inertial sensory data gathering and analysis hardware with reference to specific example implementations implement improvements in the use of sensors, techniques and hardware design that can enable specific embodiments to provide positional awareness to machines with improved spee...