US Patent Issued to NTT on Feb. 3 for "Connection loss difference measurement method, equipment and program" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,878, issued on Feb. 3, was assigned to NTT Inc. (Tokyo).

"Connection loss difference measurement method, equipment and program" was invented by Atsushi Nakamura (Musashino, Japan), Tomokazu Oda (Musashino, Japan) and Yusuke Koshikiya (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In order to achieve the above object, the present invention individually inputs light pulses to a first core and a second core at one end of a non-coupled multicore fiber having a connection portion, and individually acquires OTDR waveforms regarding the first core and the second core, calculates ratios between backscattering intensity regarding the first c...