Patent ID: 8537123

Claim:
A touch sensing apparatus comprising: a plurality of horizontal sensing lines disposed in a first direction; a plurality of vertical sensing lines disposed in a second direction, wherein the plurality of horizontal sensing lines are divided into N sets of horizontal sensing lines, the plurality of vertical sensing lines are divided into N sets of vertical sensing lines, and the first direction is perpendicular to the second direction; a plurality of sensing units, each of the sensing units electrically coupled to a corresponding horizontal sensing line and a corresponding vertical sensing line, each of the sensing units being utilized for generating a corresponding horizontal sensing signal and a corresponding vertical sensing signal; and N sets of processing circuits, each processing circuit of the N sets of processing circuits electrically coupled to a corresponding set of horizontal sensing lines of the N sets of horizontal sensing lines and a corresponding set of vertical sensing lines of the N sets of vertical sensing lines; wherein each processing circuit of the N sets of processing circuits respectively fetches and processes a horizontal sensing signal from a horizontal sensing line of the corresponding set of horizontal sensing lines at a first instant simultaneously; wherein each processing circuit of the N sets of processing circuits respectively fetches and processes a vertical sensing signal from a vertical sensing line of the corresponding set of vertical sensing lines at a second instant simultaneously; and wherein the first instant is different from the second instant and each of the N sets of horizontal sensing lines and each of the N sets of vertical sensing lines respectively have corresponding horizontal sensing lines and corresponding vertical sensing lines simultaneously transmitting signals to each of the N sets of processing circuit for processing sensing signals.