US Patent Issued to NEC on Oct. 6 for "Optical wireless transmission system, transmission device, and optical wireless transmission method" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,756,463, issued on Oct. 6, was assigned to NEC Corp. (Tokyo).

"Optical wireless transmission system, transmission device, and optical wireless transmission method" was invented by Shinichi Hori (Tokyo) and Yuma Kase (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical wireless transmission system includes a transmission device including a digital baseband processor configured to generate a plurality of orthogonal signals, a pulse modulator configured to pulse-modulate an orthogonal signal, and a dither modulator configured to add a dither signal to a pulse-modulated signal, an optical fiber module configured to convert a signal to which a dit...