US Patent Issued to NEC on Feb. 10 for "Distributed optical fiber sensing (DFOS) system and method of using the same" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,648, issued on Feb. 10, was assigned to NEC Corp. (Tokyo).

"Distributed optical fiber sensing (DFOS) system and method of using the same" was invented by Hemant Shivsagar Prasad (Tokyo), Daisuke Ikefuji (Tokyo) and Tomoyuki Hino (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vehicle tracking method includes receiving distributed optical fiber sensing (DFOS) data. The method further includes identifying first hit points within the DFOS data, wherein each of the first hit points corresponds to a location of a corresponding first vehicle at a detection time. The method further includes determining an initial seed point from among the identifie...