ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,831, issued on Nov. 18, was assigned to The Regents of The University of Michigan (Ann Arbor, Mich.).

"Leveraging surface acoustic wave for detecting gestures" was invented by Yasha Iravantchi (Ann Arbor, Mich.) and Alanson Sample (Ann Arbor, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system is presented for detecting gestures. The system is comprised of: a contact microphone and a signal processor. The contact microphone is attached to a surface of interest of an objection and is configured to measure surface acoustic waves traveling along the surface of interest. The signal processor is interfaced with the contact microphone and is con...