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Method for preventing mobile terminal touch screen from being damaged and relevant device

A mobile terminal and touch screen technology, applied in the input/output process of data processing, instruments, electrical digital data processing, etc., to achieve the effect of preventing damage

Active Publication Date: 2012-09-12
QINGDAO HISENSE MOBILE COMM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 1. Too sharp objects slide on the touch screen, such as sharp fingernails, unsuitable touch pen for touch operation;

Method used

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  • Method for preventing mobile terminal touch screen from being damaged and relevant device
  • Method for preventing mobile terminal touch screen from being damaged and relevant device
  • Method for preventing mobile terminal touch screen from being damaged and relevant device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] When the controller detects that a contact event occurs on the touch screen, it determines the average pressure value per unit area of ​​the contact point according to the obtained positions of each contact point and the pressure value corresponding to each contact point.

[0047] Please refer to the attached Figure 4 , contact point A and contact point B are two contact points when a contact event occurs, where the pressure value of contact point A is 100 Pascals, and the pressure value of contact point B is 60 Pascals, then the average of all contact points per unit area The pressure value is (100+60) / 2=80 Pascal.

[0048] The controller judges whether the average pressure value per unit area of ​​the contact point is greater than a predetermined threshold, and when it is determined that the average pressure value per unit area of ​​the contact point is greater than the predetermined threshold, sends an alarm signal to remind the user to take measures to prevent dama...

Embodiment 2

[0051]The controller detects whether there is a contact event with a predetermined cycle, for example, the length of each cycle is 1s, or in other words with a predetermined frequency; When, the number of times is recorded by the counter 1, if the contact event is detected in the next cycle, then the counter is incremented by 1, if no contact event is detected in the next cycle, the counter is cleared, and the controller detects the contact event, the counter increments After 1, the current value of the counter is judged to determine the number of contact events detected in consecutive cycles.

[0052] After determining the number of contact events detected in the continuous period, the controller judges whether the number is greater than a predetermined threshold, and if it is greater than the predetermined threshold, then sends an alarm signal to remind the user to take measures to prevent damage to the touch screen, or take corresponding actions Measures to prevent damage t...

Embodiment 3

[0056] The solutions for preventing damage to the touch screen provided in Embodiment 1 and Embodiment 2 can implement each step in the form of computer software, and this embodiment also provides a solution for preventing damage to the touch screen by means of hardware.

[0057] Please refer to the attached Figure 5 , is a schematic diagram of the reference coordinates when determining the position information of the contact point on the existing resistive touch screen. Most of the existing resistive touch screens are four-wire resistive touch screens. When locating the contact point, the center point is used as the reference point. , the horizontal and vertical coordinates of the contact point are positive values; when the contact point is at the upper left position of the touch screen, the horizontal coordinate of the contact point is negative and the vertical coordinate is positive; when the contact point is at the lower left position of the touch screen, the horizontal co...

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Abstract

The invention discloses a method for preventing a mobile terminal touch screen from being damaged and a relevant device and is used for providing a scheme for preventing the mobile terminal touch screen from being damaged due to extrusion or scratch. The method comprises the following steps of: after detecting that a touch event of the touch screen occurs, determining whether the touch event can cause damage to the touch screen; and when determining that the touch event can cause damage to the touch screen, executing preset measures for preventing the mobile terminal touch screen from being damaged.

Description

technical field [0001] The invention relates to the technical field of mobile terminals, in particular to a method for preventing damage to a touch screen of a mobile terminal and a device for preventing damage to the touch screen of a mobile terminal. Background technique [0002] With the innovation of mobile terminal manufacturing technology, the screen on the mobile terminal has developed from the initial small size and single color to the direction of large size and touch function. Screens of mobile terminals have better and better display effects and more and more functions. At present, middle and high-end mobile terminals all have larger touch screens, and some mobile terminals even replace most of the traditional keys with touch screens, such as the function of number keys. In addition to the touch screen, only the power switch is on the panel of the mobile terminal. Wait for the few necessary keystrokes. [0003] However, mobile terminals with large-size touch scr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/041G06F3/045
Inventor 张巧玲王琦
Owner QINGDAO HISENSE MOBILE COMM TECH CO LTD
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