US Patent Issued to NTT on Oct. 20 for "Optical communication apparatus, optical communication system and transmission method" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,771,449, issued on Oct. 20, was assigned to NTT Inc. (Tokyo).

"Optical communication apparatus, optical communication system and transmission method" was invented by Naotaka Shibata (Musashino, Japan) and Shin Kaneko (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical communication device includes: a first optical switch that is connected to a plurality of optical transmission lines and outputs an optical signal input from any of the optical transmission lines to another optical transmission line; a second optical switch that is connected to a plurality of optical transmission lines and outputs an optical signal input from any of...