TDR touch screen and touch positioning method
A technology of touch positioning and touch screen, which is applied in the direction of instruments, electrical digital data processing, and input/output process of data processing, etc. It can solve the problem of high algorithm requirements for measuring impedance changes, non-negligible distributed resistance of transmission lines, and signal attenuation. Large and other problems, to achieve the effect of reducing the input step signal level amplitude, simple manufacturing process, and shortening the length of the wire
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[0054] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0055] See figure 2 , figure 2 It is a schematic diagram of the touch screen structure of a preferred embodiment of the TDR touch screen provided by the present invention. The TDR touch screen includes a touch area 1 and a number of parallel and independent U-shaped wires 2 distributed in the touch area 1. Each U-shaped wire 2 is a transparent U-shaped wire 2, and the distance between each U-shaped wire 2 and the adjacent U-shaped wire...
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