US Patent Issued to NIPPON TELEGRAPH AND TELEPHONE on May 20 for "Optical power reception apparatus, communication apparatus and optical power reception method" (Japanese Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,308,890, issued on May 20, was assigned to NIPPON TELEGRAPH AND TELEPHONE Corp. (Tokyo).

"Optical power reception apparatus, communication apparatus and optical power reception method" was invented by Kyo Minoguchi (Musashino, Japan), Hiroaki Katsurai (Musashino, Japan), Yoichi Fukada (Musashino, Japan) and Tomoaki Yoshida (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light receiving portion of a photodiode is connected to an external light source via an optical transmission line. A power storage unit stores electrical energy generated by the photodiode. A bias circuit takes out electrical energy corresponding to the amount of store...