US Patent Issued to The Boeing on Sept. 30 for "Personal navigation device operable in GNSS-denied environment" (California Inventor)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,335, issued on Sept. 30, was assigned to The Boeing Co. (Arlington, Va.).

"Personal navigation device operable in GNSS-denied environment" was invented by Rongsheng Li (Corona, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A personal navigation device comprising a body, a star tracker, an inclinometer, a clock, a GNSS receiver, and first and second position calculation modules. The first position calculation module is configured to calculate latitude and longitude of the body based on respective outputs from the star tracker, inclinometer, and clock. The second position calculation module is configured to calculate latitude and longitude of...