US Patent Issued to Nippon Telegraph and Telephone on May 27 for "Optical power supply system, wakeup method and optical communication device on the receiving side" (Japanese Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,385, issued on May 27, was assigned to Nippon Telegraph and Telephone Corp. (Tokyo).

"Optical power supply system, wakeup method and optical communication device on the receiving side" was invented by Hiroaki Katsurai (Musashino, Japan) and Tomoaki Yoshida (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical power supply system including a power supply side optical communication device that supplies power using an optical signal for power supply, and a power receiving side optical communication device that is driven by power obtained from the optical signal for power supply transmitted from the power supply side optical commun...