ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,443,310, issued on Oct. 14, was assigned to TouchNetix AS (Trondheim, Norway).

"Touch-sensitive apparatus with improved noise immunity and method" was invented by Trond Jarle Pedersen (Trondheim, Norway).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described is a touch-sensitive apparatus for sensing the presence of an object relative to a touch-sensitive surface using capacitance measurements. The apparatus includes an electrode array comprising at least one electrode, the electrode array providing the touch-sensitive surface; a signal generating module for generating a time-varying drive signal to be applied to the electrode array; a differential amp...