US Patent Issued to NTT on Jan. 20 for "Coherent optical measuring device for facility line test" (Japanese Inventors)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,594, issued on Jan. 20, was assigned to NTT Inc. (Tokyo).

"Coherent optical measuring device for facility line test" was invented by Daisuke Iida (Musashino, Japan), Yoshitaka Enomoto (Musashino, Japan), Chihiro Kito (Musashino, Japan), Tatsuya Okamoto (Musashino, Japan), Yusuke Koshikiya (Musashino, Japan), Yoshifumi Wakisaka (Musashino, Japan) and Nazuki Honda (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure is an optical line test system that detects a distribution of loss points of an optical line in a longitudinal direction, using a coherent light measurement device, applies vibration to facility disposed ...