Resistive multi-touch panel and detecting method thereof
The present invention provides a resistive multi-touch panel and its method that comprises a first touch panel module, a second touch panel module, at least one touch sensing device and at least one coordinate acquiring device. Therein, the first touch panel module includes a plurality of first planar resistors independently arranged. The second touch panel module includes a plurality of second planar resistors, also independently arranged. The second touch panel module is positioned below the first touch panel module while an arrangement direction of the second planar resistors differs from an arrangement direction of the first second planar resistors. Thereupon, the resistive multi-touch panel employs the plurality of first planar resistors and the plurality of second planar resistors to achieve multi-touch effect to overcome the defect of the conventional resistive touch panel that merely allows the single-touch input at a time.
1 . A resistive multi-touch panel, comprising:
a first touch panel module having a plurality of first planar resistors independently arranged;
a second touch panel module having a plurality of second planar resistors independently arranged, wherein the second touch panel module is positioned below the first touch panel module while an arrangement direction of the second planar resistors differs from an arrangement direction of the first planar resistors;
at least one touch sensing device for detecting at least one touch point between the first touch panel module and the second touch panel module to output at least one first touch signal according to a variation of at least one of the first planar resistors and output at least one second touch signal according to a variation of at least one the second planar resistors; and
at least one coordinate acquiring device for outputting a position corresponding to the touch point according to the first touch signal and the second touch signal that are mutually corresponding.
2 . The resistive multi-touch panel of claim 1 , wherein the first touch panel module and the second touch panel module are arranged as perpendicular to each other.
3 . The resistive multi-touch panel of claim 1 , wherein each of the first planar resistors of the first touch panel module has a constant external voltage.
4 . The resistive multi-touch panel of claim 1 , wherein each of the second planar resistors of the second touch panel module has a constant external voltage.
5 . The resistive multi-touch panel of claim 1 , wherein the touch sensing device further comprises a determining mechanism for determining whether the touch point is effective.
6 . The resistive multi-touch panel of claim 1 , wherein the position is directly outputted by taking the first touch panel module as a coordinate.
7 . The resistive multi-touch panel of claim 1 , wherein the position is outputted by converting a coordinate of the first planar resistors into a coordinate of the first touch panel module.
8 . The resistive multi-touch panel of claim 1 , wherein the position is directly outputted by taking the second touch panel module as a coordinate.
9 . The resistive multi-touch panel of claim 1 , wherein the position is outputted by converting a coordinate of the second planar resistors into a coordinate of the second touch panel module.
10 . The resistive multi-touch panel of claim 1 , wherein the variation of the first planar resistor or the second planar resistor is a voltage variation.
11 . A detecting method of a resistive multi-touch panel, comprising:
providing a first touch panel module having a plurality of first planar resistors independently arranged;
providing a second touch panel module having a plurality of second planar resistors independently arranged, wherein the second touch panel module is positioned below the first touch panel module while an arrangement direction of the second planar resistors differs from an arrangement direction of the first planar resistors;
providing at least one external force to form at least one touch point between the first touch panel module and the second touch panel module;
detecting a variation of at least one of the first planar resistors at the at least one touch point to output at least one first touch signal;
detecting a variation of at least one of the second planar resistors at the at least one touch point to output at least one second touch signal; and
outputting a position corresponding to the touch point according to the first touch signal and the second touch signal that are mutually corresponding.
12 . The detecting method of claim 11 , wherein the first touch panel module and the second touch panel module are arranged as perpendicular to each other.
13 . The detecting method of claim 11 , wherein each of the first planar resistors of the first touch panel module has a constant external voltage.
14 . The detecting method of claim 11 , wherein each of the second planar resistors of the second touch panel module has a constant external voltage.
15 . The detecting method of claim 11 , wherein the first touch signal or the second touch signal is outputted by at least one touch sensing device.
16 . The detecting method of claim 15 , wherein the touch sensing device further comprises a determining mechanism for determining whether the touch point is effective.
17 . The detecting method of claim 11 , wherein the position is outputted by at least one coordinate acquiring device.
18 . The detecting method of claim 11 , wherein the position is directly outputted by taking the first touch panel module as a coordinate.
19 . The detecting method of claim 11 , wherein the position is outputed by converting a coordinate of the first planar resistors into a coordinate of the first touch panel module.
20 . The detecting method of claim 11 , wherein the position is directly outputted by taking the second touch panel module as a coordinate.
21 . The detecting method of claim 11 , wherein the position is outputted by converting a coordinate of the second planar resistors into a coordinate of the second touch panel module.