US Patent Issued to NEC on July 7 for "Optical repeater, optical transmission system, and connection method of optical repeater" (Japanese Inventor)

ALEXANDRIA, Va., July 7 -- United States Patent no. 12,676,676, issued on July 7, was assigned to NEC Corp. (Tokyo).

"Optical repeater, optical transmission system, and connection method of optical repeater" was invented by Yuushi Matsuo (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical repeater includes: a first fan-in/fan-out (FIFO) including a first MCF connectable to a first MCF transmission path, and a first SCF group including a plurality of SCFs relevantly connected to each core of the first MCF; and a monitoring light circuit that outputs, based on a fixed loss, monitoring light being input to a first core included in the first MCF, from light being output from a first SCF being an SCF...