US Patent Issued to NTT on Feb. 10 for "Optical signal emitting direction control apparatus and optical signal emitting direction control method" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,549,252, issued on Feb. 10, was assigned to NTT Inc. (Tokyo).

"Optical signal emitting direction control apparatus and optical signal emitting direction control method" was invented by Kento Yoshizawa (Musashino, Japan), Kazumitsu Sakamoto (Musashino, Japan), Takeshi Kinoshita (Musashino, Japan), Etsushi Yamazaki (Musashino, Japan), Takayuki Mizuno (Musashino, Japan) and Takuya Ohara (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical signal emitting direction control method of a present embodiment includes arranging a transparent member to extend over an underwater space and an in-air space, causing an optical signal to enter th...