US Patent Issued to NTT on June 16 for "Optical access system and monitoring method" (Japanese Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,659,065, issued on June 16, was assigned to NTT Inc. (Tokyo).

"Optical access system and monitoring method" was invented by Yumiko Senoo (Musashino, Japan), Kazutaka Hara (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: "Provided is an optical access system that performs communication using an optical signal on which management control signals used for management and control are superimposed in a plurality of transmission lines connecting a plurality of subscriber devices, the optical access system including: a plurality of splitters that are...