ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,840, issued on Jan. 20, was assigned to Raytheon Co. (Arlington, Va.).
"Photonic integrated circuit distance measuring interferometer" was invented by Richard Lee Kendrick (San Mateo, Calif.) and Joseph Marron (Manhattan Beach, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A digital measuring device implemented on a photonic integrated circuit, the digital measuring device including a laser source implemented on the photonic integrated circuit configured to provide light, a first waveguide structure implemented on the photonic integrated circuit configured to direct a first portion of light from the laser source at a moving object and receiv...