WO2013123775A1 - 一种触摸屏的静电消除方法 - Google Patents

一种触摸屏的静电消除方法 Download PDF

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Publication number
WO2013123775A1
WO2013123775A1 PCT/CN2012/082498 CN2012082498W WO2013123775A1 WO 2013123775 A1 WO2013123775 A1 WO 2013123775A1 CN 2012082498 W CN2012082498 W CN 2012082498W WO 2013123775 A1 WO2013123775 A1 WO 2013123775A1
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Prior art keywords
touch screen
touch
static elimination
elimination method
value
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PCT/CN2012/082498
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English (en)
French (fr)
Inventor
曾元清
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority claimed from CN201210040213.8A external-priority patent/CN102622150B/zh
Priority claimed from CN201210139668.5A external-priority patent/CN102681739B/zh
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to US13/979,646 priority Critical patent/US9134852B2/en
Publication of WO2013123775A1 publication Critical patent/WO2013123775A1/zh
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means

Definitions

  • the present invention relates to a touch screen, and in particular to a static elimination method for a touch screen.
  • the touch screen reference value will change accordingly to suit the current touch environment.
  • the abnormal environment where static electricity is hit in places where the anti-static hitting ability of the touch screen hardware design is weak, it is more prone to some problems.
  • infinitely reporting touch information to the application layer it seems that there is always a The finger is pressed in the area, causing no response to normal finger touch, which is the phenomenon that the touch screen is not functional, and the other is due to electrostatic shock, the touch screen
  • the timing of I2C communication has been confusing, and the failure of I2C communication will also cause the touch screen to be non-functional.
  • the technical problem to be solved by the present invention is how to provide a static elimination method for a touch screen, which enables the touch screen to be effectively and quickly reset to resume normal use when it is hit by static electricity.
  • the technical problem of the present invention is solved by constructing a static elimination method for a touch screen, using a light sensor or using a gravity sensor coupled with the touch screen, including the following sequential steps:
  • the register software reset operation after the power is turned off and the power is turned off according to the number of failures. Or according to the number of failures below the communication failure setting value and the number of touch events in the same area of the touch screen exceeds the false alarm setting value, the register software reset operation on the touch screen / power-off and power-on again Reset operation.
  • the register software reset operation is performed on the touch screen when the number of failures is lower than the communication failure setting value and the number of touch events of the same area of the touch screen exceeds the false alarm setting value.
  • the area is defined as an area in the touch screen where the antistatic hitting ability is weak.
  • the light sensor is located under the touch screen, and the touch screen is transparent.
  • the light sensor is located at the periphery of the touch screen.
  • the light sensor can also be integrated with the touch screen.
  • the touch screen is disposed on the smart handheld device.
  • the switching method using the optical sensor includes:
  • step 101 Using the light sensor to detect whether an object is left on the touch screen? Go to the next step, otherwise return to step 101);
  • step 102) Do statistics on the number of failed communication failures between the touch screen and the control chip, and determine whether the number of failures is lower than the communication failure setting value. Go to the next step, otherwise go to step 104);
  • the touch screen performs a reset operation after powering off, and then returns to step 101);
  • step 105) During the set time, it is detected whether the total number of touch events occurred in the same area where the touch event occurred exceeds the false alarm set value. ? Go to the next step, otherwise return to step 101);
  • the touch screen performs a register software reset operation, and then returns to step 101).
  • the step 101 includes detecting whether the photosensor value changes from a value close to zero to a relatively large value.
  • the step 102) the communication between the touch screen and the control chip is I2C (internal integrated circuit) Inter- Integrated Circuit) Bus communication.
  • the touch screen and the gravity sensor are respectively disposed on the surface and the inside of the handheld device.
  • the touch screen static elimination method using a gravity sensor coupled with the touch screen includes:
  • step 402 Perform statistics on the number of failed communication failures between the touch screen and the control chip, and determine whether the number of failures is lower than the communication failure setting value. Is to enter step 404 ), otherwise go to the next step;
  • the touch screen performs a reset operation after power-off, and then returns to step 401);
  • the touch screen performs a register software reset operation, and then returns to step 401).
  • the step 401) includes detecting whether the gravity sensor z-axis value is less than a -8 The value of ' changes to a value greater than ' +8 '.
  • the touch screen communicates with the control chip is an I2C (internal integrated circuit) Inter- Integrated Circuit) Bus communication.
  • the communication failure setting value refers to the I2C bus (it is very likely that other I2Cs are also mounted) The number of times the device has failed to communicate as a whole, specifically 4-6 times.
  • the set time is 1 second
  • the false alarm setting value is 60-80 times.
  • the static elimination method of the touch screen provided by the invention is used for effectively and quickly resetting the touch screen to restore normal use when the touch screen is affected by static electricity, which has the following advantages over the prior art:
  • FIG. 1 is a schematic flow chart of a static elimination program software on a touch screen smart phone according to a specific embodiment of the present invention
  • FIG. 2 is a schematic flow chart of a static elimination program software on a touch screen smart phone according to a second embodiment of the present invention.
  • the number of communication failures is counted to determine whether the number of failures is lower than the communication failure setting value. If the communication failure setting value is higher than the communication failure setting value, the touch screen I2C communication fails several times, then the power is turned off and then the power-on reset is performed.
  • the static elimination program on the touch screen smart phone of the specific embodiment of the present invention specifically includes the following steps:
  • step 101 Using the light sensor to detect whether an object has left on the touch screen? (ie: Is the detection of the photosensor value changing from a value close to zero to a relatively large value?) is to proceed to the next step, otherwise return to step 101. );
  • the touch screen performs a reset operation after powering off, and then returns to step 101);
  • step 105 During the set time, does the total number of touch events in the same area where the touch event occurred exceeds the false alarm set value? Go to the next step, otherwise return to step 101);
  • the touch screen performs a register software reset operation, and returns to step 101).
  • Step 101) The amount of change in the value detected by the photosensor is determined according to multiple tests, and may be specifically 5 a value from left to right;
  • Step 102 The communication fault setting value of the I2C communication failure count is determined according to multiple static test tests, specifically 5 a value from left to right;
  • Step 104) The touch event is often generated by an area of the touch screen hardware that is weak in anti-static hitting capability
  • Step 105) The false alarm setting value divided by the set time is less than the normal touch of the touch screen, and the value of the number of times reported by the touch event per second, specifically A value of around 70.
  • the working principle of the above specific embodiment of the present invention is to accurately determine when an electrostatic failure occurs on the touch screen during the unlocking process after the mobile phone wakes up, and to effectively control the resetting action after the electrostatic failure of the touch screen occurs.
  • Mainly includes the steps:
  • step 1) Return to the normal touch response of the touch screen after reset operation, and check the condition of step 1). If yes, repeat step 1) -5 ).
  • the number of communication failures is counted to determine whether the number of failures is lower than the communication failure setting value. If the communication failure setting value is higher than the communication failure setting value, the touch screen I2C communication fails several times, then the power is turned off and then the power-on reset is performed.
  • the static elimination program on the touch screen smart phone of the specific embodiment of the present invention specifically includes the following steps:
  • step 101 Using a gravity sensor to detect whether the touch screen of the handheld device changes from face down to face up? (ie: detecting gravity sensor z Does the axis value change from a value close to -9.8. to a value close to +9.8? ) is to go to the next step, otherwise return to step 101);
  • the touch screen performs a reset operation after powering off, and then returns to step 101);
  • step 105 During the set time, does the total number of touch events in the same area where the touch event occurred exceeds the false alarm set value? Go to the next step, otherwise return to step 101);
  • the touch screen performs a register software reset operation, and returns to step 101).
  • Step 102 The communication fault setting value of the I2C communication failure count is determined according to multiple static test tests, specifically 5 a value from left to right;
  • Step 104) The touch event is often generated by an area of the touch screen hardware that is weak in anti-static hitting capability
  • Step 105) The false alarm setting value divided by the set time is less than the normal touch of the touch screen, and the value of the number of times reported by the touch event per second, specifically A value of around 70.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)
  • Telephone Function (AREA)

Description

一种 触摸屏的静电消除方法
技术领域
本发明涉及触摸屏，具体涉及一种触摸屏的静电消除方法。
背景技术
由于电容触摸屏自身对环境变化的适应，触摸屏基准值会发生相应的变化以适应当前的触摸环境。在静电击打这种不正常的环境下，在触摸屏硬件设计上的抗静电击打能力薄弱的地方，就比较容易出现一些问题，比如说无限向应用层上报触摸信息，就好像一直都有一个手指头按在该区域，导致对正常的手指触摸不响应，这就是触摸屏无功能的现象，还有一种就是由于静电击打，触摸屏的 I2C 通信时序已经混乱，出现 I2C 通信失败，也会导致触摸屏无功能。
发明内容
本发明需要解决的技术问题是，如何提供一种触摸屏的静电消除方法，能使触摸屏在静电击打的时候，可以有效快速地复位以恢复正常使用。
本发明的技术问题这样解决：构建一种触摸屏的静电消除方法，利用光传感器或者利用与触摸屏配合的重力传感器，包括以下依次步骤：
A 利用所述光传感器检测触摸屏上有物体离开，对触摸屏与控制芯片通信失败的次数做统计，
或者利用所述重力传感器检测手持设备触摸屏由面朝下转为面朝上，对触摸屏与控制芯片通信失败的次数做统计；
B 根据失败的次数超过了通信故障设定值对触摸屏进行断电后重新上电 的复位操作 ；或者根据失败的次数低于通信故障设定值且触摸屏的同一区域的触摸事件次数超过了误报设定值，对触摸屏进行寄存器软件复位操作 / 断电后重新上电 的复位操作。在优选实施例中： 失败的次数低于通信故障设定值且触摸屏的同一区域的触摸事件次数超过了误报设定值时，对触摸屏进行寄存器软件复位操作。
按照本发明提供的触摸屏的静电消除方法， 所述区域限定为触摸屏中抗静电击打能力弱的区域。
按照本发明提供的触摸屏的静电消除方法，所述光传感器位于触摸屏下面，触摸屏透光。
按照本发明提供的触摸屏的静电消除方法，所述光传感器位于触摸屏周边。
按照本发明提供的触摸屏的静电消除方法，所述光传感器还可与触摸屏集成在一起。
按照本发明提供的触摸屏的静电消除方法，所述触摸屏设置在智能手持设备上。
按照本发明提供的触摸屏的静电消除方法，利用所述光传感器的该切换方法包括：
101 ） 利用所述光传感器检测触摸屏上是否有物体离开 ？是进入下一步，否则返回步骤 101 ）；
102 ） 对触摸屏与控制芯片通信失败的次数做统计，判断失败的次数是否低于通信故障设定值？ 是进入下一步，否则进入步骤 104 ）；
103 ）触摸屏进行断电后重新上电的复位操作 ，再 返回步骤 101 ）；
104 ）判断触摸屏或者触摸屏中 抗静电击打能力弱的区域是否产生了触摸事件？是进入下一步，否则返回步骤 101 ）；
105 ）在设定时间内，检测发生触摸事件的同一区域发生触摸事件总次数是否超过了 误报设定值 ？是进入下一步，否则返回步骤 101 ）；
106 ） 触摸屏进行寄存器软件复位操作，再返回步骤 101 ） 。
按照本发明提供的触摸屏的静电消除方法，所述步骤 101 ）包括检测光传感器值是否从一个接近于零的值变化到一个比较大的值。
按照本发明提供的触摸屏的静电消除方法，所述步骤 102 ）触摸屏与控制芯片通信是 I2C （内部集成电路 Inter － Integrated Circuit ）总线通信。
另，按照本发明提供的触摸屏静电消除方法，所述触摸屏和重力传感器分别设置在所述手持设备表面和内部。
按照本发明提供的触摸屏静电消除方法，利用与触摸屏配合的重力传感器的该触摸屏静电消除方法包括：
401 ）利用所述重力传感器检测手持设备触摸屏是否从面朝下状态转变为面朝上状态？是进入下一步，否则返回步骤 401 ）；
402 ）对触摸屏与控制芯片通信失败的次数做统计，判断失败的次数是否低于通信故障设定值？是进入步骤 404 ），否则进入下一步；
403 ）触摸屏进行断电后重新上电的复位操作，再返回步骤 401 ）；
404 ）判断触摸屏或者触摸屏中抗静电击打能力弱的区域是否产生了触摸事件？是进入下一步，否则返回步骤 401 ）；
405 ）在设定时间内，检测发生触摸事件的同一区域发生触摸事件总次数是否超过了误报设定值？是进入下一步，否则返回步骤 401 ）；
406 ）触摸屏进行寄存器软件复位操作，再返回步骤 401 ） 。
按照本发明提供的触摸屏静电消除方法，所述步骤 401 ）包括检测重力传感器 z 轴值是否从一个小于' -8 ' 的值变化到一个大于' +8 '的值。
按照本发明提供的触摸屏静电消除方法，所述步骤 402 ）中触摸屏与控制芯片通信是 I2C （内部集成电路 Inter － Integrated Circuit ）总线通信。
按照本发明提供的触摸屏的静电消除方法，所述通信故障设定值是指该 I2C 总线（很有可能还挂载其他 I2C 设备）整体通信失败的次数，具体为 4-6 次 。
按照本发明提供的触摸屏的静电消除方法，所述设定时间是 1 秒，所述误报设定值是 60-80 次。
本发明提供的触摸屏的静电消除方法，用于在触摸屏受到静电影响的情况下，有效快速地复位触摸屏以恢复正常使用，较现有技术具有以下优点：
1 、对触摸屏何时发生静电故障进行准确的判断；
2 、对触摸屏发生静电故障后采用何种复位措施进行有效地控制；
3 、避免使用障碍。
附图说明
下面结合附图和具体实施例进一步对本发明进行详细说明：
图 1 为本发明具体实施例一触摸屏智能手机上的静电消除程序软件流程示意图；
图 2 为本发明具体实施例二触摸屏智能手机上的静电消除程序软件流程示意图。
具体实施方式
实施例一
首先，说明本发明实施例的思想和关键步骤：
㈠ 检测光传感器值是否从一个接近于零的值变化到一个比较大的值，即检测触摸屏是否从某个物体表面离开。
㈡ 对触摸屏 I2C 通信失败的次数做统计，判断失败的次数是否低于通信故障设定值，如果高于通信故障设定值，说明触摸屏 I2C 通信多次失败，那么就进行断电再重新上电复位。
㈢ 在设定时间内，检测某些区域发生触摸事件的次数是否超过了误报设定值，如果超过了误报设定值，说明在触摸屏的该区域内产生了无限触摸事件，那么对触摸屏进行寄存器软件复位。
第二，结合具体实施例进行详细说明：
如图 1 所示，本发明具体实施例触摸屏智能手机上的静电消除程序具体包括以下步骤：
101 ）利用所述光传感器检测触摸屏上是否有物体离开？（即：检测光传感器值是否从一个接近于零的值变化到一个比较大的值？）是进入下一步，否则返回步骤 101 ）；
102 ）对触摸屏与控制芯片 I2C 通信失败的次数做统计，判断失败的次数是否低于通信故障设定值？是进入下一步，否则进入步骤 104 ）；
103 ）触摸屏进行断电后重新上电的复位操作，再返回步骤 101 ）；
104 ）判断触摸屏中抗静电击打能力弱的区域或者其他区域是否产生了触摸事件？是进入下一步，否则返回步骤 101 ）；
105 ）在设定时间内，检测发生触摸事件的同一区域发生触摸事件总次数是否超过了误报设定值？是进入下一步，否则返回步骤 101 ）；
106 ）触摸屏进行寄存器软件复位操作，再返回步骤 101 ）。
其中：
步骤 101 ）所述的光传感器检测到值的变化量的大小需根据多次测试得出，具体可以是 5 左右的一个数值；
步骤 102 ）所述的 I2C 通信失败计数的通信故障设定值需根据多次的静电试验测试得出，具体可以 5 左右的一个数值；
步骤 104 ）所述的触摸事件往往是触摸屏硬件上抗静电击打能力弱的区域产生的；
步骤 105 ）所述的误报设定值除以设定时间要小于触摸屏正常触摸时，每秒触摸事件上报的次数值，具体可以是 70 左右的一个数值。
本发明上述具体实施例的工作原理就是在手机唤醒后的解锁过程中，对触摸屏何时发生静电故障进行准确的判断，以及对触摸屏发生静电故障后采用何种复位措施进行有效地控制。主要包括步骤：
1 ）检测光传感器值是否从一个接近于零的值变化到一个比较大的值，即检测触摸屏是否从某个物体表面离开；
2 ）对触摸屏 I2C 通信失败的次数做统计，判断失败的次数是否低于通信故障设定值；
3 ）如果高于通信故障设定值，说明触摸屏受到静电干扰出现了 I2C 通信失败的情况，导致无法响应正常的手指触摸，进行断电复位；
4 ）在设定时间内，检测某些区域发生触摸事件的次数是否超过了误报设定值；
5 ）如果超过了，说明触摸屏受到静电干扰出现了无限上报触摸信息的情况，导致触摸屏无法响应正常手指的触摸，触摸屏进行寄存器软件复位操作；
6 ）复位操作后返回触摸屏正常触摸反应，同时检测步骤 1 ）的条件，若满足，重新执行步骤 1 ） -5 ）。
实施例二
首先，说明本发明实施例的思想和关键步骤：
㈠ 检测重力传感器 z 轴值是否从一个接近于 -9.8. 的值变化到一个接近于 +9.8 的值，用以判断触摸屏从面朝下的状态翻转到面朝上的状态。根据申请人实验证明一般这种情况才容易产生静电，而此时进行自动静电消除处理能最大程度减轻 CPU 负荷。
㈡ 对触摸屏 I2C 通信失败的次数做统计，判断失败的次数是否低于通信故障设定值，如果高于通信故障设定值，说明触摸屏 I2C 通信多次失败，那么就进行断电再重新上电复位。
㈢ 在设定时间内，检测某些区域发生触摸事件的次数是否超过了误报设定值，如果超过了误报设定值，说明在触摸屏的该区域内产生了无限触摸事件，那么对触摸屏进行寄存器软件复位。
第二，结合具体实施例进行详细说明：
如图 1 所示，本发明具体实施例触摸屏智能手机上的静电消除程序具体包括以下步骤：
101 ） 利用重力传感器检测手持设备触摸屏是否从面朝下状态转变为面朝上状态？ （即：检测重力传感器 z 轴值是否从一个接近于 -9.8. 的值变化到一个接近于 +9.8 的值？）是进入下一步，否则返回步骤 101 ）；
102 ）对触摸屏与控制芯片 I2C 通信失败的次数做统计，判断失败的次数是否低于通信故障设定值？是进入下一步，否则进入步骤 104 ）；
103 ）触摸屏进行断电后重新上电的复位操作，再返回步骤 101 ）；
104 ）判断触摸屏中抗静电击打能力弱的区域或者其他区域是否产生了触摸事件？是进入下一步，否则返回步骤 101 ）；
105 ）在设定时间内，检测发生触摸事件的同一区域发生触摸事件总次数是否超过了误报设定值？是进入下一步，否则返回步骤 101 ）；
106 ）触摸屏进行寄存器软件复位操作，再返回步骤 101 ）。
其中：
步骤 102 ）所述的 I2C 通信失败计数的通信故障设定值需根据多次的静电试验测试得出，具体可以 5 左右的一个数值；
步骤 104 ）所述的触摸事件往往是触摸屏硬件上抗静电击打能力弱的区域产生的；
步骤 105 ）所述的误报设定值除以设定时间要小于触摸屏正常触摸时，每秒触摸事件上报的次数值，具体可以是 70 左右的一个数值。
最后，以上所述仅为本发明的较佳实施例，凡依本发明权利要求范围所做的均等变化与修饰，皆应属本发明权利要求的涵盖范围。

Claims (13)

  1. 一种触摸屏的静电消除方法，其特征在于，利用光传感器或者利用与触摸屏配合的重力传感器，包括以下依次步骤：
    A 、利用所述光传感器检测触摸屏上有物体离开，对触摸屏与控制芯片通信失败的次数做统计，
    或者利用所述重力传感器检测手持设备触摸屏由面朝下转为面朝上，对触摸屏与控制芯片通信失败的次数做统计；
    B 、根据失败的次数超过了通信故障设定值对触摸屏进行断电后重新上电 的复位操作 ；或者根据失败的次数低于通信故障设定值且触摸屏的同一区域的触摸事件次数超过了误报设定值，对触摸屏进行寄存器软件复位操作 / 断电后重新上电 的复位操作 。
  2. 根据权利要求 1 所述触摸屏的静电消除方法，其特征在于，所述区域是触摸屏中 抗静电击打能力弱的区域 。
  3. 根据权利要求 1 所述触摸屏的静电消除方法，其特征在于， 所述光传感器位于触摸屏周边或者位于触摸屏下面。
  4. 根据权利要求 1 所述触摸屏的静电消除方法，其特征在于， 所述触摸屏设置在智能手持设备上 。
  5. 根据权利要求 1-4 任一项所述触摸屏的静电消除方法，其特征在于， 利用光传感器的 该切换方法包括：
    101 ） 利用所述光传感器检测触摸屏上是否有物体离开 ？是进入下一步，否则返回步骤 101 ）；
    102 ） 对触摸屏与控制芯片通信失败的次数做统计，判断失败的次数是否低于通信故障设定值？ 是进入步骤 104 ），否则进入下一步；
    103 ）触摸屏进行断电后重新上电的复位操作 ，再 返回步骤 101 ）；
    104 ）判断触摸屏或者触摸屏中 抗静电击打能力弱的区域 是否产生了触摸事件？是进入下一步，否则返回步骤 101 ）；
    105 ）在设定时间内，检测发生触摸事件的同一区域发生触摸事件总次数是否超过了误报设定值 ？是进入下一步，否则返回步骤 101 ）；
    106 ） 触摸屏进行寄存器软件复位操作，再返回步骤 101 ） 。
  6. 根据权利要求 5 所述触摸屏的静电消除方法，其特征在于， 所述步骤 101 ）包括检测光传感器值是否从一个接近于零的值变化到一个比较大的值。
  7. 根据权利要求 6 所述触摸屏的静电消除方法，其特征在于， 所述步骤 102 ）触摸屏与控制芯片通信是 I2C 总线通信。
  8. 根据权利要求 1 所述触摸屏静电消除方法，其特征在于， 所述触摸屏和重力传感器分别设置在所述手持设备表面和内部 。
  9. 根据权利要求 1 或 2 或 8 所述触摸屏静电消除方法，其特征在于， 利用与触摸屏配合的重力传感器的该切换方法包括：
    401 ） 利用所述重力传感器检测手持设备触摸屏是否从面朝下状态转变为面朝上状态 ？是进入下一步，否则返回步骤 401 ）；
    402 ） 对触摸屏与控制芯片通信失败的次数做统计，判断失败的次数是否低于通信故障设定值？ 是进入步骤 404 ），否则进入下一步；
    403 ）触摸屏进行断电后重新上电的复位操作 ，再 返回步骤 401 ）；
    404 ）判断触摸屏或者触摸屏中 抗静电击打能力弱的区域 是否产生了触摸事件？是进入下一步，否则返回步骤 401 ）；
    405 ）在设定时间内，检测发生触摸事件的同一区域发生触摸事件总次数是否超过了 误报设定值 ？是进入下一步，否则返回步骤 401 ）；
    406 ） 触摸屏进行寄存器软件复位操作，再返回步骤 401 ） 。
  10. 根据权利要求 9 所述触摸屏静电消除方法，其特征在于， 所述步骤 401 ）包括检测重力传感器 z 轴值是否从一个小于' -8 ' 的值变化到一个大于' +8 '的值。
  11. 根据权利要求 9 所述触摸屏静电消除方法，其特征在于， 所述步骤 402 ）中触摸屏与控制芯片通信是 I2C 总线通信。
  12. 根据权利要求 1 所述触摸屏的静电消除方法，其特征在于， 所述通信故障设定值是 4-6 次 。
  13. 根据权利要求 1 所述触摸屏的静电消除方法，其特征在于， 所述设定时间是 1 秒，所述误报设定值 是 60-80 次 。
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