US Patent Issued to NTT on June 2 for "Optical transmission system, optical receiving apparatus, and delay measurement method" (Japanese Inventors)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,647,180, issued on June 2, was assigned to NTT Inc. (Tokyo).

"Optical transmission system, optical receiving apparatus, and delay measurement method" was invented by Keita Nishimoto (Musashino, Japan), Kota Asaka (Musashino, Japan) and Yukio Toyoshima (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an optical transmission system including: an optical transmission apparatus; an optical reception apparatus; a communication device that is a delay measurement target; and a transmission device that transmits a signal between the optical reception apparatus and the communication device, in which the optical transmission apparatus includes a m...