ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,512,910, issued on Dec. 30, was assigned to NTT Inc. (Tokyo).
"Optical communication device and optical communication method" was invented by Takeshi Imai (Musashino, Japan), Junichi Kani (Musashino, Japan), Shin Kaneko (Musashino, Japan), Naotaka Shibata (Musashino, Japan) and Rintaro Harada (Musashino, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical transmitter (3) tracks a moving body (1) and irradiates the moving body (1) with a laser beam (4). An optical receiver (5) is mounted on the moving body (1), receives the laser beam (4), and performs optical space communication with the optical transmitter (3). The optical transmitter (3) e...