US Patent Issued to NEC on July 14 for "Optical transmission device, optical transmission method, and recording medium" (Japanese Inventor)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,683,683, issued on July 14, was assigned to NEC Corp. (Tokyo).

"Optical transmission device, optical transmission method, and recording medium" was invented by Yoshirou Satou (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical transmission device includes: an optical amplifier that amplifies first signal light; a monitoring light generation unit that generates first monitoring light; an optical multiplexer that couples an output of the optical amplifier and an output of the monitoring light generation unit to output the resultant to a first optical transmission line; an optical demultiplexer for separating light that includes second signal ...