US Patent Issued to NTT on July 28 for "Optical transmitting apparatus, optical transmission system and optical transmission method" (Japanese Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,695,513, issued on July 28, was assigned to NTT Inc. (Tokyo).

"Optical transmitting apparatus, optical transmission system and optical transmission method" was invented by Ryo Koma (Musashino, Japan), Junichi Kani (Musashino, Japan), Kazutaka Hara (Musashino, Japan) and Takuya Kanai (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aspect of the present invention is an optical transmitter including: a first modulation unit configured to generate an optical modulated signal through intensity modulation of an optical signal; a second modulation unit configured to generate an optical modulated signal through phase/frequency modulation of ...