ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,481,022, issued on Nov. 25, was assigned to KEYSIGHT TECHNOLOGIES INC. (Santa Rosa, Calif.).

"System and method of emulating echo signals from emulated targets with reduced interference from reflection" was invented by Gregory S. Lee (Mountain View, Calif.) and Natalie Killeen (Sebastopol, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method emulate an echo signal from an emulated target in response to a radar signal from a radar DUT. The system includes an antenna configured to receive the radar signal, and to direct a reflected portion of the radar signal away from an incident direction of the radar signal at a predetermined defle...