ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,387,851, issued on Aug. 12, was assigned to International Business Machines Corp. (Armonk, N.Y.).
"Exposure risk quantification" was invented by Adam John Gibbons (Oxford, Great Britain), Seumas Mclean Goddard (Lewes, Great Britain) and Shivani Joshi (Southampton, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "The method comprises a first device recording audio data responsive to a wireless proximity contact event with a second device and performing a first Fourier transform on the recorded audio data. The first device sends the first Fourier transform to the second device and receives a second Fourier transform of audio data recorded conc...