US Patent Issued to The Boeing on Aug. 4 for "Laser vehicle speed detection system" (Missouri, California, Washington Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,699,185, issued on Aug. 4, was assigned to The Boeing Co. (Chicago).

"Laser vehicle speed detection system" was invented by Nathan D. Hiller (Irvine, Calif.), Robert M. Dowgwillo (St. Louis), Ishaan Bakhle (Lynnwood, Wash.) and Christopher Shoemaker (St. Peters, Mo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method, apparatus, and system detects a speed of a vehicle. A backscatter light generated in response to transmitting a laser beam into an atmosphere during movement of the vehicle is received. A first beat frequency from interfering a first portion of the backscatter light with a reference light derived from the laser beam is measured. A time ...