US Patent Issued to NTT on July 14 for "Optical fiber sensing device and method" (Japanese Inventor)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,840, issued on July 14, was assigned to NTT Inc. (Tokyo).

"Optical fiber sensing device and method" was invented by Shingo Ono (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to the present disclosure, there is provided an optical fiber sensing device including: a reference interferometer for producing a predetermined difference in propagation delay time in continuous light; a sensor interferometer including a plurality of Mach-Zehnder interferometers having unilateral optical paths functioning as sensor units; and a signal processing unit for performing signal processing by using a light reception signal I(t) obtained by ...