ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,483,348, issued on Nov. 25, was assigned to NTT Inc. (Tokyo).
"Optical communication device, optical access system and optical communication method" was invented by Yumiko Senoo (Musashino, Japan), Shin Kaneko (Musashino, Japan), Ryo Koma (Musashino, Japan) and Kazuaki Honda (Musashino, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical communication device that communicates with another optical communication device by using at least a time division multiplexing system, the optical communication device including: a management control signal division unit that divides a management control signal used for management and control; and a transmi...