US Patent Issued to NTT on Sept. 8 for "Frequency situation observation system, frequency situation observation method, and data arithmetic device" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,732,843, issued on Sept. 8, was assigned to NTT Inc. (Tokyo).

"Frequency situation observation system, frequency situation observation method, and data arithmetic device" was invented by Shoko Shinohara (Musashino, Japan), Yusuke Asai (Musashino, Japan), Yasushi Takatori (Musashino, Japan), Junichi Iwatani (Musashino, Japan), Yoshitaka Shimizu (Musashino, Japan) and Tomoyuki Yamada (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A frequency state observation system observes a spectrum in a predetermined frequency range by a plurality of observation devices that are arranged in advance at different positions in a predetermined area, perf...