Touch sensing apparatus and sensing signal processing method thereof
First Claim
1. 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.
1 Assignment
0 Petitions
Accused Products
Abstract
A touch sensing apparatus for accelerating a sensing signal processing operation is provided. The touch sensing apparatus includes a plurality of sets of horizontal sensing lines, a plurality of sets of vertical sensing lines, a plurality of processing circuits, and a plurality of sensing units. The plurality of sensing units output a plurality of sets of horizontal and vertical sensing signals via the plurality of sets of horizontal and vertical sensing lines respectively. Each processing circuit is coupled to corresponding sets of horizontal and vertical sensing lines. Furthermore, disclosed is a sensing signal processing method essentially including scanning the plurality of sets of horizontal sensing lines in synchronization for synchronously fetching the plurality of sets of horizontal sensing signals during a first interval, and scanning the plurality of sets of vertical sensing lines in synchronization for synchronously fetching the plurality of sets of vertical sensing signals during a second interval.
-
Citations
12 Claims
-
1. 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. - View Dependent Claims (2, 3, 4, 5, 6)
-
-
7. A sensing signal processing method for use in a touch sensing apparatus, the touch sensing apparatus comprising a plurality of processing circuits, a plurality of sets of horizontal sensing lines and a plurality of sets of vertical sensing lines, the sensing signal processing method comprising:
-
each processing circuit of the plurality of processing circuits respectively fetching and processing a horizontal sensing signal from a horizontal sensing line of a corresponding set of horizontal sensing lines at a first instant simultaneously; and each processing circuit of the plurality of processing circuits respectively fetching and processing a vertical sensing signal from a vertical sensing line of the corresponding set of vertical sensing lines at a second instant simultaneously; wherein the first instant is different from the second instant. - View Dependent Claims (8, 9, 10, 11, 12)
-
Specification