ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,524,074, issued on Jan. 13, was assigned to Microsoft Technology Licensing LLC (Redmond, Wash.).

"Conductive matter movement tracking using RF sensors" was invented by Jouya Jadidian (Los Gatos, Calif.) and Gabriele D'Amone (Mountain View, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wearable device that tracks body movement is disclosed. The device includes a housing and a connection member. The connection member is coupled to the housing, and the connection member enables the device to be coupled to a user's body part. This body part is associated with the conductive matter. The device includes an RF sensor in the housing. The RF sensor osc...