US Patent Issued to NTT on Jan. 20 for "Optical communication device, optical access system and optical communication method" (Japanese Inventors)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,633, issued on Jan. 20, was assigned to NTT Inc. (Tokyo).

"Optical communication device, optical access system and optical communication method" was invented by Kazuaki Honda (Musashino, Japan), Yumiko Senoo (Musashino, Japan), Shin Kaneko (Musashino, Japan) and Kazutaka Hara (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 using at least a time division multiplexing method, the optical communication device includes: a band request unit that requests a band for transmitting a management control signal used for management and control; and a tra...