ALEXANDRIA, Va., June 5 -- United States Patent no. 12,277,312, issued on April 15, was assigned to SIGMASENSE LLC (Austin, Texas).
"Single user or few users identification and blocking operable touch sensor device" was invented by Patrick Troy Gray (Cedar Park, Texas), Gerald Dale Morrison (Redmond, Wash.), Daniel Keith Van Ostrand (Leander, Texas) and Richard Stuart Seger Jr. (Belton, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A touch sensor system includes touch sensors, drive-sense circuits (DSCs), memory, and a processing module. A DSC drives a first signal via a single line coupling to a touch sensor and simultaneously senses, when present, a second signal that is uniquely associated with a u...