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Multi-touch resistive touch panel

A touch panel, resistive technology, applied in the field of touch panel, can solve problems such as inability to simultaneously sense multi-touch results, limited application of resistive touch panel, etc.

Pending Publication Date: 2021-02-09
WISTRON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, general resistive touch panels can only provide single-touch functions, but cannot simultaneously sense multi-touch results, so that the application of general resistive touch panels is limited.

Method used

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  • Multi-touch resistive touch panel
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Embodiment Construction

[0039] In order to make the content of the present invention more understandable, several embodiments are proposed below to illustrate the present invention, but the present invention is not limited to the illustrated embodiments. Appropriate combinations are also allowed between the embodiments. In addition, wherever possible, elements / members / steps with the same reference numerals are used in the drawings and embodiments to represent the same or similar parts.

[0040] figure 1 is a schematic block diagram of a multi-point resistive touch panel according to an embodiment of the present invention. refer to figure 1 , the multi-point resistive touch panel 100 includes a microcontroller 110 , a first conductive substrate 120 and a second conductive substrate 130 . The microcontroller 110 is electrically coupled to the first conductive substrate 120 and the second conductive substrate 130 . The first conductive substrate 120 and the second conductive substrate 130 are arrang...

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Abstract

The present invention provides a multi-touch resistive touch panel which includes a first conductive substrate, a second conductive substrate and a microcontroller. The first conductive substrate includes four input terminals at or around four corners of the first conductive substrate. The second conductive substrate is disposed in parallel with and spaced apart from the first conductive substrate, and includes a plurality of output terminals at or around an edge of the second conductive substrate. The microcontroller is electrically coupled to the four input terminals and the plurality of output terminals, provides a first input voltage to two adjacent input terminals of the four input terminals, and provides a second input voltage to the other two adjacent input terminals of the four input terminals. The microcontroller calculates a coordinate value corresponding to at least one touch point according to an output voltage outputted by at least one of the plurality of output terminals.

Description

technical field [0001] The invention relates to a touch panel, and in particular to a multi-touch resistive touch panel. Background technique [0002] According to different sensing principles, touch panels can be roughly divided into capacitive touch panels, resistive touch panels, and optical touch panels. However, resistive touch panels are still popular and used in some specific fields such as industrial or military electronic products or commercial machines with simple display operation interfaces. Basically, a general resistive touch panel includes two conductive layers spaced apart, and most of them are four-wire or five-wire type. According to the user's pressing, the resistive touch panel can make the originally spaced apart two conductive layers contact at the pressing position, thereby generating a change in resistance. Therefore, the position pressed by the user on the resistive touch panel can be calculated according to the resistance change. However, the gen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/045
CPCG06F3/045G06F2203/04104
Inventor 黄功杰
Owner WISTRON CORP