ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,393,298, issued on Aug. 19, was assigned to Microchip Touch Solutions Ltd. (Wokingham, Great Britain).
"Method and apparatus for sensing touches on a capacitive touch screen" was invented by John Dubery (Basingstoke, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of detecting a user touch on a capacitive touch screen may include generating drive signals for drive lines of the capacitive touch screen. The drive signals are encoded by codes that respectively specify polarities of the drive signals at different times. The codes may include a background code that specifies the same polarity for the drive signals, and the remaining cod...