ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,314, issued on Dec. 2, was assigned to Humatics Corp. (Waltham, Mass.).

"Systems and methods for determining vehicle locations using track geometry" was invented by Michael Kuhlman (Malden, Mass.), Pedro Teixeira (Cambridge, Mass.), Reza Rezaie (Woodland Hills, Calif.), Joshua Senna (San Mateo, Calif.) and Aaron Whittemore (Millville, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein are techniques for determining motion characteristics of trains traveling along a train track. In some embodiments, a processor may determine an estimated position of a train using an observed position obtained using one or more UWB antennas and an ob...