US Patent Issued to NTT on Oct. 6 for "Optical communication system, optical transmitting and receiving apparatus, and optical communication method" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,756,471, issued on Oct. 6, was assigned to NTT Inc. (Tokyo).

"Optical communication system, optical transmitting and receiving apparatus, and optical communication method" was invented by Shin Kaneko (Musashino, Japan), Junichi Kani (Musashino, Japan), Kazutaka Hara (Musashino, Japan) and Takuya Kanai (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical switch receives an input of an optical signal which has been transmitted by a first optical communication device from a first port, and outputs the optical signal from a second port connected to a first optical transmission line included in an optical route in which an optical path ...