ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,744,595, issued on Sept. 22, was assigned to 1FINITY Inc. (Kawasaki, Japan).
"Optical transmission line monitoring device and optical transmission line monitoring method" was invented by Junichi Sugiyama (Kawasaki, Japan) and Atsushi Kanai (Kawasaki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Monitoring device is used in optical transmission system that transmits frames between first and second nodes via optical transmission line. First SOP data representing SOP detected in the first node and second SOP data representing SOP detected in the second node are stored in storage. Processor detects first time at which polarization fluctuation compo...