ALEXANDRIA, Va., June 16 -- United States Patent no. 12,659,067, issued on June 16, was assigned to NTT Inc. (Tokyo).
"Optical transmission system, transmitter, and control method" was invented by Akira Kawai (Musashino, Japan), Takayuki Kobayashi (Musashino, Japan), Masanori Nakamura (Musashino, Japan), Shimpei Shimizu (Musashino, Japan) and Yutaka Miyamoto (Musashino, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "One aspect of the present invention is an optical transmission system including a transmitter connected to a transmission line having M spatial channels, and a receiver that receives a signal transmitted from the transmitter via the transmission line, wherein the transmitter includes: an al...