US Patent Issued to NEC on Aug. 26 for "Optical network, network management device, and network management method" (Japanese Inventor)

ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,401,423, issued on Aug. 26, was assigned to NEC Corp. (Tokyo).

"Optical network, network management device, and network management method" was invented by Shigeyuki Yanagimachi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a network using MCF, in order to provide a technology which enables a standby system path to be easily constructed, this optical network includes: an active system path which is connected by means of a first multi-core optical fiber, and is a path between a transmission node that transmits an optical signal and a reception node that receives the optical signal; and the standby system path which is composed by means of a plu...