US Patent Issued to NXP on July 28 for "Touch panel system using modulated signals as drive signals" (French Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,693,755, issued on July 28, was assigned to NXP B.V. (Eindhoven, Netherlands).

"Touch panel system using modulated signals as drive signals" was invented by Frederic Darthenay (Luc sur Mer, France), Jean-Robert Tourret (Cormelles le Royal, France), Franck Goussin (Blainville sur Orne, France) and Vincent Geffroy (Cuverville, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A touch panel includes a first plurality of electrodes and a second plurality of electrodes. A plurality of transmitters generate a plurality of transmit signals by modulating a common sine wave signal with a set of orthogonal modulation signals, and drive each transmit signal on...