US Patent Issued to NEC on Feb. 24 for "Optical fiber sensor for structural acoustic abnormality monitoring" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,560,509, issued on Feb. 24, was assigned to NEC Corp. (Tokyo).

"Optical fiber sensor for structural acoustic abnormality monitoring" was invented by Yuma Matsuda (Tokyo) and Tomoyuki Hino (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an optical fiber sensor that is capable of highly accurately detecting an abnormality in a structure from vibration information. This optical fiber sensor includes an optical fiber that is laid in the vicinity of a structure, a light source for introducing pulsed light of a specific period into the optical fiber, and an optical sensor for detecting return light that has been obtained as a result of the i...