US Patent Issued to NIPPON TELEGRAPH AND TELEPHONE on May 13 for "Doppler compensation system and doppler compensation method" (Japanese Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,391, issued on May 13, was assigned to NIPPON TELEGRAPH AND TELEPHONE Corp. (Tokyo).

"Doppler compensation system and doppler compensation method" was invented by Miharu Oiwa (Musashino, Japan), Toshimitsu Tsubaki (Musashino, Japan), Hiroyuki Fukumoto (Musashino, Japan), Yosuke Fujino (Musashino, Japan), Marina Nakano (Musashino, Japan) and Yuya Ito (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aspect of the present invention is a Doppler compensation system including: a sound wave receiving element that receives a sound wave transmitted by a transmitter; a ground-speed-related quantity acquisition unit that acquires a ground-s...