ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,682, issued on Oct. 14, was assigned to NTT Inc. (Tokyo).
"Vibration detection device and vibration detection method" was invented by Yoshifumi Wakisaka (Musashino, Japan), Daisuke Iida (Musashino, Japan), Tatsuya Okamoto (Musashino, Japan), Nazuki Honda (Musashino, Japan) and Hiroyuki Oshida (Musashino, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vibration detection apparatus is presented which can avoid occurrence of a point where detection sensitivity deteriorates in vibration detection of a scattered light intensity monitor according to optical frequency multiplexing. A multi-dimensional space having as many dimensions as the number o...