US Patent Issued to NEC on Aug. 25 for "Optical transmission line monitoring device, optical transmission line monitoring method, and recording medium storing optical transmission line monitoring program" (Japanese Inventor)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,719,570, issued on Aug. 25, was assigned to NEC Corp. (Tokyo).

"Optical transmission line monitoring device, optical transmission line monitoring method, and recording medium storing optical transmission line monitoring program" was invented by Naofumi Kurosawa (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical transmission line monitoring device is one of two facing optical transmission line monitoring devices connected by an optical transmission line via a relay, and includes a transmission unit that transmits an own-device monitoring signal to the optical transmission line, a reception unit that receives a monitoring signal, a mixture o...