ALEXANDRIA, Va., March 24 -- United States Patent no. 12,582,329, issued on March 24, was assigned to Northern Digital Inc. (Waterloo, Canada).

"Magneto-mechanical capsules" was invented by Robin Speck (Villingen-Schwenningen, Germany), Anja Bauer (Allensbach, Germany), Christian Schilling (Thayngen, Switzerland) and Scott Garth Illsley (Stratford, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "Magneto-mechanical capsules can include a body, a first magnet attached to a first end of the body, a second magnet attached to a second end of the body, and a third magnet disposed between the first magnet and the second magnet. In some cases, the third magnet is configured to oscillate in response to an exter...