CN102681739A - Static elimination method for touch screen - Google Patents
Static elimination method for touch screen Download PDFInfo
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- CN102681739A CN102681739A CN2012101396685A CN201210139668A CN102681739A CN 102681739 A CN102681739 A CN 102681739A CN 2012101396685 A CN2012101396685 A CN 2012101396685A CN 201210139668 A CN201210139668 A CN 201210139668A CN 102681739 A CN102681739 A CN 102681739A
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- 230000003068 static effect Effects 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000008030 elimination Effects 0.000 title abstract description 5
- 238000003379 elimination reaction Methods 0.000 title abstract description 5
- 238000004891 communication Methods 0.000 claims abstract description 28
- 230000005484 gravity Effects 0.000 claims abstract description 14
- 230000003116 impacting effect Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 abstract 1
- 238000013459 approach Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The invention relates to a static elimination method for a touch screen, which is applied to handheld equipment. The static elimination method for the touch screen comprises the following steps of: detecting the touch screen by a gravity sensor from a face-down mode to a face-up mode and carrying out statistics on times of communication failure of the touch screen and a control chip; when the failure times exceed a communication fault set value, carrying out resetting operation of powering up again after the power failure on the touch screen; or when the failure times are lower than the communication fault set value and touch event times of the same region of the touch screen exceed a misinformation set value, carrying out register software resetting operation/resetting operation of powering up again after the power failure on the touch screen (in the preferable embodiment, carrying out register software resetting operation on the touch screen). The static elimination method is used for carrying out processing on the condition that static electricity is generated by the touch screens of most of handheld equipment and the touch screen can be rapidly and effectively reset so as to recover the normal use.
Description
Technical field
The present invention relates to touch screen technology, be specifically related to the touch-screen static removing method on a kind of intelligent handheld device.
Background technology
Because capacitance touch screen self is to the adaptation of environmental change, the touch-screen reference value can take place to change to adapt to current touch environment accordingly.Impact under this abnormal environment at static, the antistatic place that lacks in ability that impacts on the touch-screen hardware designs is just than being easier to occur some problems; Such as infinitely to the application layer touch information reporting; Just look like a finger all to be arranged always, cause normal finger touch is not responded the non-functional phenomenon of touch-screen that Here it is by in this zone; Also having a kind of is exactly because static impacts; The I2C communication sequential of touch-screen is chaotic, the I2C communication failure occurs, also can cause touch-screen not have function.
Summary of the invention
The technical issues that need to address of the present invention are, how a kind of touch-screen static removing method is provided, and make touch-screen can resist static and impact, and can reset effectively apace to recover normal use simultaneously.
Technical matters of the present invention solves like this: make up a kind of touch-screen static removing method, utilize the gravity sensor that cooperates with touch-screen, comprise the next coming in order step:
A utilizes said gravity sensor detection handheld device touch-screen to transfer to by facing down and faces up, and the number of times of touch-screen and control chip communication failure is done statistics;
B has surpassed the reset operation that re-powers after the communication failure setting value is cut off the power supply to touch-screen according to the number of times of failure; The touch event number of times that perhaps is lower than the same area of communication failure setting value and touch-screen according to the number of times of failure has surpassed the wrong report setting value, touch-screen is carried out the reset operation that re-powers after the register software reset operation/outage.
According to touch-screen static removing method provided by the invention, said area limiting is the weak zone of the antistatic ability of impacting in the touch-screen.
According to touch-screen static removing method provided by the invention, said touch-screen and gravity sensor are separately positioned on said handheld device surface and inner.
According to touch-screen static removing method provided by the invention, this touch-screen static removing method comprises:
401) utilize said gravity sensor to detect the handheld device touch-screen and be the state of facing up from the state-transition that faces down? Be to get into next step, otherwise return step 401);
402) number of times of touch-screen and control chip communication failure is done statistics, judge that the number of times of failure is lower than the communication failure setting value? Be to get into step 404), otherwise get into next step;
403) reset operation that re-powers after touch-screen cuts off the power supply returns step 401 again);
404) do you judge that the weak zone of the antistatic ability of impacting has produced touch event in touch-screen or the touch-screen? Be to get into next step, otherwise return step 401);
405) in setting-up time, detect the same area generation touch event total degree that touch event takes place and surpassed the wrong report setting value? Be to get into next step, otherwise return step 401);
406) touch-screen carries out register software reset operation, returns step 401 again).
According to touch-screen static removing method provided by the invention, said step 401) comprise whether detect gravity sensor z axle value changes to a value greater than "+8 " from a value less than " 8 ".
According to touch-screen static removing method provided by the invention, said step 402) in touch-screen to communicate by letter with control chip be I2C (internal integrated circuit Inter-Integrated Circuit) bus communication.
According to touch-screen static removing method provided by the invention, said communication failure setting value is meant the number of times of this I2C bus (probably going back other I2C equipment of carry) integrated communication failure, is specially 4-6 time.
According to touch-screen static removing method provided by the invention, said setting-up time is 1 second, and said wrong report setting value is 60-80 time.
Touch-screen static removing method provided by the invention is used for often receiving under the situation of electrostatic influence at touch-screen, and the touch-screen that can reset effectively apace has the following advantages than prior art to recover normal use:
1, when the static fault being taken place touch-screen judges accurately;
2, to adopting which kind of measure that resets to control effectively after the touch-screen generation static fault;
3, avoid the use of obstacle, the touch-screen that resets effectively apace is to recover normal use.
Description of drawings
Further the present invention is elaborated below in conjunction with accompanying drawing and specific embodiment:
Fig. 1 is that the static on the specific embodiment of the invention touch-screen smart mobile phone is eliminated the program software schematic flow sheet.
Embodiment
At first, inventive concept and committed step are described:
(1) detect gravity sensor z axle value whether from one approach-value of 9.8. changes to one and approaches+9.8 value, in order to judge touch-screen from ventricumbent state turnover to supine state.Test the general this situation of proof according to the applicant and just be easy to generate static, can at utmost alleviate cpu load and carry out automatic static elimination processing this moment.
(2) does statistics to the number of times of touch-screen I2C communication failure, judges whether the number of times of failure is lower than the communication failure setting value, if be higher than the communication failure setting value, repeatedly failure of touch-screen I2C communication is described, so just cutting off the power supply for re-powering resets again.
(3) is in setting-up time; Whether the number of times that detects some zone generation touch event has surpassed the wrong report setting value; If surpassed the wrong report setting value, explain in this zone of touch-screen to have produced unlimited touch event, so touch-screen is carried out the register software reset.
The second, be elaborated in conjunction with specific embodiment:
As shown in Figure 1, the static on the specific embodiment of the invention touch-screen smart mobile phone is eliminated program and specifically may further comprise the steps:
101) utilize gravity sensor to detect the handheld device touch-screen and be the state of facing up from the state-transition that faces down? (that is: detect gravity sensor z axle value from one approach-value of 9.8. changes to one and approaches+9.8 value?) be to get into next step, otherwise return step 101);
102) number of times of touch-screen and control chip I2C communication failure is done statistics, judge that the number of times of failure is lower than the communication failure setting value? Be to get into next step, otherwise get into step 104);
103) reset operation that re-powers after touch-screen cuts off the power supply returns step 101 again);
104) do you judge that weak zone or other zones of the antistatic ability of impacting have produced touch event in the touch-screen? Be to get into next step, otherwise return step 101);
105) in setting-up time, detect the same area generation touch event total degree that touch event takes place and surpassed the wrong report setting value? Be to get into next step, otherwise return step 101);
106) touch-screen carries out register software reset operation, returns step 101 again).
Wherein:
Step 102) the communication failure setting value of described I2C communication failure counting needs to draw according to repeatedly static experimental test, a numerical value that specifically can about 5;
Step 104) the weak zone of the antistatic ability of impacting produces on the touch-screen hardware often for described touch event;
When step 105) described wrong report setting value was less than the touch-screen normal touch divided by setting-up time, per second touch event times of reporting value specifically can be about 70 a numerical value.
At last, the above is merely preferred embodiment of the present invention, and all equalizations of being done according to claim scope of the present invention change and modify, and all should belong to the covering scope of claim of the present invention.
Claims (8)
1. a touch-screen static removing method is characterized in that, utilizes the gravity sensor that cooperates with touch-screen, comprises the next coming in order step:
A utilizes said gravity sensor detection handheld device touch-screen to transfer to by facing down and faces up, and the number of times of touch-screen and control chip communication failure is done statistics;
B has surpassed the reset operation that re-powers after the communication failure setting value is cut off the power supply to touch-screen according to the number of times of failure; The touch event number of times that perhaps is lower than the same area of communication failure setting value and touch-screen according to the number of times of failure has surpassed the wrong report setting value, touch-screen is carried out the reset operation that re-powers after the register software reset operation/outage.
2. according to the said touch-screen static of claim 1 removing method, it is characterized in that said zone is the weak zone of the antistatic ability of impacting in the handheld device touch-screen.
3. according to the said touch-screen static of claim 1 removing method, it is characterized in that said touch-screen and gravity sensor are separately positioned on said handheld device surface and inner.
4. according to each said touch-screen static removing method of claim 1-3, it is characterized in that this changing method comprises:
401) utilize said gravity sensor to detect the handheld device touch-screen and be the state of facing up from the state-transition that faces down? Be to get into next step, otherwise return step 401);
402) number of times of touch-screen and control chip communication failure is done statistics, judge that the number of times of failure is lower than the communication failure setting value? Be to get into step 404), otherwise get into next step;
403) reset operation that re-powers after touch-screen cuts off the power supply returns step 401 again);
404) do you judge that the weak zone of the antistatic ability of impacting has produced touch event in touch-screen or the touch-screen? Be to get into next step, otherwise return step 401);
405) in setting-up time, detect the same area generation touch event total degree that touch event takes place and surpassed the wrong report setting value? Be to get into next step, otherwise return step 401);
406) touch-screen carries out register software reset operation, returns step 401 again).
5. according to the said touch-screen static of claim 4 removing method, it is characterized in that said step 401) comprise whether detect gravity sensor z axle value changes to a value greater than "+8 " from a value less than " 8 ".
6. according to the said touch-screen static of claim 4 removing method, it is characterized in that said step 402) in touch-screen to communicate by letter with control chip be the I2C bus communication.
7. according to claim 1 or 4 said touch-screen static removing methods, it is characterized in that said communication failure setting value is 4-6 time.
8. according to claim 1 or 4 said touch-screen static removing methods, it is characterized in that said setting-up time is 1 second, said wrong report setting value is 60-80 time.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210139668.5A CN102681739B (en) | 2012-05-07 | 2012-05-07 | Static elimination method for touch screen |
| PCT/CN2012/082498 WO2013123775A1 (en) | 2012-02-22 | 2012-09-29 | Static elimination method for touch screen |
| US13/979,646 US9134852B2 (en) | 2012-02-22 | 2012-09-29 | Static elimination method for a touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210139668.5A CN102681739B (en) | 2012-05-07 | 2012-05-07 | Static elimination method for touch screen |
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| Publication Number | Publication Date |
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| CN102681739A true CN102681739A (en) | 2012-09-19 |
| CN102681739B CN102681739B (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210139668.5A Expired - Fee Related CN102681739B (en) | 2012-02-22 | 2012-05-07 | Static elimination method for touch screen |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103002154A (en) * | 2012-12-12 | 2013-03-27 | 广东欧珀移动通信有限公司 | Method for avoiding touch screen invalidation |
| WO2013123775A1 (en) * | 2012-02-22 | 2013-08-29 | 广东欧珀移动通信有限公司 | Static elimination method for touch screen |
| CN105338289A (en) * | 2014-06-03 | 2016-02-17 | 杭州海康威视数字技术股份有限公司 | Static interference processing method and apparatus |
| CN105843696A (en) * | 2016-03-25 | 2016-08-10 | 广东欧珀移动通信有限公司 | Touch screen restoration method and device |
| CN106250257A (en) * | 2016-07-27 | 2016-12-21 | 维沃移动通信有限公司 | A kind of electrostatic restoration methods and mobile terminal |
| CN108652619A (en) * | 2018-05-19 | 2018-10-16 | 安徽邵氏华艾生物医疗电子科技有限公司 | A kind of restoration methods and system for preventing CSM modules under interference |
| CN111918469A (en) * | 2020-07-31 | 2020-11-10 | 道真自治县金泰电器元件有限公司 | Static elimination system and method for electronic component processing |
| CN115547215A (en) * | 2022-04-21 | 2022-12-30 | 荣耀终端有限公司 | Display screen ESD soft reset method, electronic equipment and computer storage medium |
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| CN101930308A (en) * | 2009-06-19 | 2010-12-29 | 炬力集成电路设计有限公司 | Method and device for resetting drive circuit of touch input device |
| CN102169452A (en) * | 2011-04-19 | 2011-08-31 | 惠州Tcl移动通信有限公司 | Method for solving touch screen deadlock problem of mobile terminal |
| CN102314277A (en) * | 2011-09-30 | 2012-01-11 | 惠州Tcl移动通信有限公司 | Anti-static method of capacitive touch screen and corresponding capacitive touch screen |
-
2012
- 2012-05-07 CN CN201210139668.5A patent/CN102681739B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101930308A (en) * | 2009-06-19 | 2010-12-29 | 炬力集成电路设计有限公司 | Method and device for resetting drive circuit of touch input device |
| CN102169452A (en) * | 2011-04-19 | 2011-08-31 | 惠州Tcl移动通信有限公司 | Method for solving touch screen deadlock problem of mobile terminal |
| CN102314277A (en) * | 2011-09-30 | 2012-01-11 | 惠州Tcl移动通信有限公司 | Anti-static method of capacitive touch screen and corresponding capacitive touch screen |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013123775A1 (en) * | 2012-02-22 | 2013-08-29 | 广东欧珀移动通信有限公司 | Static elimination method for touch screen |
| CN103002154A (en) * | 2012-12-12 | 2013-03-27 | 广东欧珀移动通信有限公司 | Method for avoiding touch screen invalidation |
| CN105338289A (en) * | 2014-06-03 | 2016-02-17 | 杭州海康威视数字技术股份有限公司 | Static interference processing method and apparatus |
| CN105338289B (en) * | 2014-06-03 | 2019-02-26 | 杭州海康威视数字技术股份有限公司 | The processing method and processing device of electrostatic interference |
| CN105843696A (en) * | 2016-03-25 | 2016-08-10 | 广东欧珀移动通信有限公司 | Touch screen restoration method and device |
| CN106250257A (en) * | 2016-07-27 | 2016-12-21 | 维沃移动通信有限公司 | A kind of electrostatic restoration methods and mobile terminal |
| CN106250257B (en) * | 2016-07-27 | 2020-02-21 | 维沃移动通信有限公司 | Static recovery method and mobile terminal |
| CN108652619A (en) * | 2018-05-19 | 2018-10-16 | 安徽邵氏华艾生物医疗电子科技有限公司 | A kind of restoration methods and system for preventing CSM modules under interference |
| CN111918469A (en) * | 2020-07-31 | 2020-11-10 | 道真自治县金泰电器元件有限公司 | Static elimination system and method for electronic component processing |
| CN115547215A (en) * | 2022-04-21 | 2022-12-30 | 荣耀终端有限公司 | Display screen ESD soft reset method, electronic equipment and computer storage medium |
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| CN102681739B (en) | 2015-06-17 |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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Granted publication date: 20150617 |