ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,436,256, issued on Oct. 7, was assigned to TeraDar Inc. (Cambridge, Mass.).

"Terahertz sensors and related systems and methods" was invented by Gregory L. Charvat (Guilford, Conn.), Nicholas Saiz (San Jose, Calif.) and Matthew Carey (Hooksett, N.H.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An active radio-frequency (RF) sensing technology for determining the relative and/or absolute state (e.g., position, velocity, and/or acceleration) of a target object (e.g., a person, a car, a truck a lamp post, a utility pole, a building) is described. The sensors described herein operate in the Terahertz band (300 GHz to 3 THz). An active RF sensing device comp...