US Patent Issued to NTT on Oct. 27 for "Signal transmission system and signal transmission method" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,777,273, issued on Oct. 27, was assigned to NTT Inc. (Tokyo).

"Signal transmission system and signal transmission method" was invented by Yasunari Tanaka (Musashino, Japan), Kazutaka Hara (Musashino, Japan), Ryo Koma (Musashino, Japan), Jin Uchiyama (Musashino, Japan) and Ryo Igarashi (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A signal transmission system that includes a plurality of transceivers that transmits and receives an optical signal, a gateway that receives the optical signal transmitted by the transceiver, performs optical-electrical conversion and electrical-optical conversion for the received optical signal, and outputs...