ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,738, issued on May 27, was assigned to REVIVA SOFTWORKS LTD (London).
"Motion tracking using pure tones" was invented by Jules Goldberg (London) and Filippos Ineglis (London).
According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatus is provided to detect motion of a target reflecting one or more pure tone signals, comprising transmission of one or more pure tone acoustic signals, reception of the signal reflected by a target ensonified by the transmitted signal, and motion detection of the ensonified target from analysis of the Discrete Fourier Transform (DFT) of the received signal, in particular values of the time-variance of energy within adjacent ...