CN102890586A - Anti-interference method of touch screen and terminal equipment thereof - Google Patents
Anti-interference method of touch screen and terminal equipment thereof Download PDFInfo
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- CN102890586A CN102890586A CN201210377200XA CN201210377200A CN102890586A CN 102890586 A CN102890586 A CN 102890586A CN 201210377200X A CN201210377200X A CN 201210377200XA CN 201210377200 A CN201210377200 A CN 201210377200A CN 102890586 A CN102890586 A CN 102890586A
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Abstract
The invention discloses an anti-interference method of a touch screen and terminal equipment of the anti-interference method of a touch screen, wherein the interference is electromagnetic interference of an LCD (liquid crystal display), and the anti-interference method comprises the following steps: step one, the touch screen reports touch points with touch areas smaller than a preset threshold of a system; step two, a timer is started, and acquisition time of the touch points is set; step three, data of the touch points of the touch screen are collected in the set time, wherein the data include coordinate values, pressure values and areas of the touch points; step four, the collected data are compared, whether the collected data are in a preset variation range is judged, if the collected data are in the preset variation range, step five is carried out, or else, step seven is carried out; step five, whether the areas of the touch points in the collected data are all smaller than the preset threshold of the system is judged, if the areas of the touch points in the collected data are all smaller than the preset threshold of the system, step six is carried out, or else, step seven is carried; step six, the touch screen performs reset processing when the current interference is the electromagnetic interference of the LCD; and step seven, the touch screen enters into normal operation. According to the invention, the touch screen can reset rapidly and restore the normal operation and use under the electromagnetic interference of the LCD.
Description
Technical field
The present invention relates to a kind of mobile terminal device, particularly relate to a kind of touch-screen anti-interference method and terminal device thereof.
Background technology
In the various interference of capacitance touch screen were processed, LCD was the most serious to the interference of touch-screen.Although touch-screen in use, repeatedly self-calibrating adapts to current electromagnetic environment (electromagnetic environment that certainly comprises LCD), but exists under the certain situation, because the electromagnetic interference (EMI) of LCD, touch-screen can't normally use.Such as at some testing drums; in fall-down test or the speaking test; LCD usually can be at some zonules inner accumulated electric charge; and these electric charges just have been similar to a finger always by in this zone for touch-screen, can't respond like this problem of normal finger touch with regard to touch-screen having occurred.Unless after pressing power button sleep awakening, recomputate and read reference value, just touch-screen can recover normal use.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of touch-screen anti-interference method and terminal device thereof are provided, so that touch-screen is in the situation that is subject to the LCD electromagnetic interference (EMI), can Rapid reset, recover normal operation and use.
In order to achieve the above object, the technical solution used in the present invention is, a kind of touch-screen anti-interference method, and described interference is the electromagnetic interference (EMI) of LCD, may further comprise the steps:
Step 1. touch-screen reports and touches area less than the touch point of systemic presupposition threshold values;
Step 2. starts timer, and the touch point acquisition time is set;
The data of step 3. touch point of collection touch in setup times comprise the area of coordinate figure, force value and the touch point of touch point;
The data of step 4. pair collection are compared, and whether the data that interpretation gathers are execution in step 5 then in default variation range, otherwise execution in step 7;
Whether step 5. judges the area of image data touch point all less than the systemic presupposition threshold values, is execution in step 6 then, otherwise execution in step 7;
The current interference of step 6. is the electromagnetic interference (EMI) of LCD, and touch-screen carries out reset processing;
Step 7. touch-screen enters normal running.
Further, the area-limit that the described systemic presupposition threshold values of step 1 is the touch point of systemic presupposition surpasses threshold values then for user's normal running touches, otherwise is the electromagnetic interference (EMI) point of LCD.
Further, the described touch point of step 2 gathers as collection touch reports and touches area less than the touch point of systemic presupposition threshold values.
Further, the described acquisition time of step 2 is definite value, for touch-screen can't respond time of normal finger touch, adjusts by systemic presupposition or by the user.
Further, the default variation range of the data of the described collection of step 4 is definite value, adjusts by systemic presupposition or by the user, when the electromagnetic interference (EMI) point that then is LCD in this variation range, otherwise is user's normal running touch.
Further, the described reset processing of step 6 resets for re-powering after cutting off the power supply.
A kind of terminal device of described touch-screen anti-interference method comprises:
Detecting unit for detection of the touch point of the touch area on the touch-screen less than the systemic presupposition threshold values, and reports CPU (central processing unit);
Timer is used for arranging the acquisition time that gathers the touch point;
CPU (central processing unit) comprises collecting unit, the first judging unit, the second judging unit, reset unit;
Collecting unit, the data of user touch point of collection touch in setup times comprise the area of coordinate figure, force value and the touch point of touch point, and collection result is sent to the first judging unit;
The first judging unit is used for the data that gather are compared, and the data that interpretation gathers and are sent to the second judging unit with judged result whether in default variation range;
Whether the second judging unit, the area that is used for judging the image data touch point all less than the systemic presupposition threshold values, and judged result is sent to reset unit;
Reset unit is used for when the current interference of touch-screen is the electromagnetic interference (EMI) of LCD touch-screen being carried out reset processing;
Performance element, touch-screen enters normal running.
Further, described terminal device is computer, mobile phone, MP3, MP4, MP5 or E-book reader.
Compared with prior art, the invention has the beneficial effects as follows: effectively judging current touch-screen is the electromagnetic interference (EMI) that has been subject to LCD, and the touch-screen that can automatically reset, thereby obtains the reference value under the current touch environment, reach and suppress to disturb, the normal purpose of using.
Description of drawings
Fig. 1 is method flow diagram of the present invention;
Fig. 2 is terminal device theory diagram of the present invention.
Embodiment
Be elaborated with reference to accompanying drawing below in conjunction with embodiment, in order to technical characterictic of the present invention and advantage are carried out more deep annotation.
Method flow diagram of the present invention as shown in Figure 1, a kind of touch-screen anti-interference method, described interference is the electromagnetic interference (EMI) of LCD, may further comprise the steps:
Step 1. touch-screen reports and touches area less than the touch point of systemic presupposition threshold values;
Step 2. starts timer, and the touch point acquisition time is set;
The data of step 3. touch point of collection touch in setup times comprise the area of coordinate figure, force value and the touch point of touch point;
The data of step 4. pair collection are compared, and whether the data that interpretation gathers are execution in step 5 then in default variation range, otherwise execution in step 7;
Whether step 5. judges the area of image data touch point all less than the systemic presupposition threshold values, is execution in step 6 then, otherwise execution in step 7;
The current interference of step 6. is the electromagnetic interference (EMI) of LCD, and touch-screen carries out reset processing;
Step 7. touch-screen enters normal running.
Further, the area-limit that the described systemic presupposition threshold values of step 1 is the touch point of systemic presupposition surpasses threshold values then for user's normal running touches, otherwise is the electromagnetic interference (EMI) point of LCD.
Further, the described touch point of step 2 gathers as collection touch reports and touches area less than the touch point of systemic presupposition threshold values.
Further, the described acquisition time of step 2 is definite value, for touch-screen can't respond time of normal finger touch, adjusts by systemic presupposition or by the user.
Further, the default variation range of the data of the described collection of step 4 is definite value, adjusts by systemic presupposition or by the user, when the electromagnetic interference (EMI) point that then is LCD in this variation range, otherwise is user's normal running touch.
Further, the described reset processing of step 6 resets for re-powering after cutting off the power supply.
Terminal device theory diagram of the present invention as shown in Figure 2, a kind of terminal device of described touch-screen anti-interference method comprises:
Detecting unit for detection of the touch point of the touch area on the touch-screen less than the systemic presupposition threshold values, and reports CPU (central processing unit);
Timer is used for arranging the acquisition time that gathers the touch point;
CPU (central processing unit) comprises collecting unit, the first judging unit, the second judging unit, reset unit;
Collecting unit, the data of user touch point of collection touch in setup times comprise the area of coordinate figure, force value and the touch point of touch point, and collection result is sent to the first judging unit;
The first judging unit is used for the data that gather are compared, and the data that interpretation gathers and are sent to the second judging unit with judged result whether in default variation range;
Whether the second judging unit, the area that is used for judging the image data touch point all less than the systemic presupposition threshold values, and judged result is sent to reset unit;
Reset unit is used for when the current interference of touch-screen is the electromagnetic interference (EMI) of LCD touch-screen being carried out reset processing;
Performance element, touch-screen enters normal running.
Further, described terminal device is computer, mobile phone, MP3, MP4, MP5 or E-book reader.
Touch-screen reports the area of touch point to be worth less than certain, and when the LCD electric charge impacted touch-screen, the area of the touch point that reports was all smaller, and invariable, and the area of normal finger touch point is to change descendingly; For example start timer, it is 1 second that time-out time is set, and namely touch-screen can't react normal finger touch above 1 second; Gather the data of touch-screen point in this 1 second, comprise coordinate figure, force value, and the area that touches; The data that gather are compared, it is less whether the data of interpretation collection change, if, judge that then whether the area of image data touch point is all less than certain value, if it is current interference is the electromagnetic interference (EMI) of LCD, touch-screen carries out reset processing, and touch-screen uses operation normally, does not reset.
Above content is the further description of the present invention being done in conjunction with concrete optimal way, should not assert that implementation of the present invention is confined to above explanation.For those skilled in the art, without departing from the inventive concept of the premise, can also make some simple deduction or replace, within the protection domain that the claim that all should be considered as being submitted to by the present invention is determined.
Claims (8)
1. touch-screen anti-interference method, described interference is the electromagnetic interference (EMI) of LCD, may further comprise the steps:
Step 1. touch-screen reports and touches area less than the touch point of systemic presupposition threshold values;
Step 2. starts timer, and the touch point acquisition time is set;
The data of step 3. touch point of collection touch in setup times comprise the area of coordinate figure, force value and the touch point of touch point;
The data of step 4. pair collection are compared, and whether the data that interpretation gathers are execution in step 5 then in default variation range, otherwise execution in step 7;
Whether step 5. judges the area of image data touch point all less than the systemic presupposition threshold values, is execution in step 6 then, otherwise execution in step 7;
The current interference of step 6. is the electromagnetic interference (EMI) of LCD, and touch-screen carries out reset processing;
Step 7. touch-screen enters normal running.
2. touch-screen anti-interference method according to claim 1 is characterized in that: the area-limit that the described systemic presupposition threshold values of step 1 is the touch point of systemic presupposition surpasses threshold values and then is user's normal running touch, otherwise is the electromagnetic interference (EMI) point of LCD.
3. touch-screen anti-interference method according to claim 2 is characterized in that: the described touch point of step 2 gathers as collection touch and reports the touch area less than the touch point of systemic presupposition threshold values.
4. touch-screen anti-interference method according to claim 3, it is characterized in that: the described acquisition time of step 2 is definite value, for touch-screen can't respond time of normal finger touch, adjusts by systemic presupposition or by the user.
5. touch-screen anti-interference method according to claim 4, it is characterized in that: the default variation range of the data of the described collection of step 4 is definite value, adjust by systemic presupposition or by the user, when the electromagnetic interference (EMI) point that then is LCD in this variation range, otherwise be user's normal running touch.
6. touch-screen anti-interference method according to claim 5 is characterized in that: the described reset processing of step 6 re-powers after for outage and resets.
One kind according to claim 1-6 in the terminal device of each described touch-screen anti-interference method, it is characterized in that, comprising:
Detecting unit for detection of the touch point of the touch area on the touch-screen less than the systemic presupposition threshold values, and reports CPU (central processing unit);
Timer is used for arranging the acquisition time that gathers the touch point;
CPU (central processing unit) comprises collecting unit, the first judging unit, the second judging unit, reset unit;
Collecting unit, the data of user touch point of collection touch in setup times comprise the area of coordinate figure, force value and the touch point of touch point, and collection result is sent to the first judging unit;
The first judging unit is used for the data that gather are compared, and the data that interpretation gathers and are sent to the second judging unit with judged result whether in default variation range;
Whether the second judging unit, the area that is used for judging the image data touch point all less than the systemic presupposition threshold values, and judged result is sent to reset unit;
Reset unit is used for when the current interference of touch-screen is the electromagnetic interference (EMI) of LCD touch-screen being carried out reset processing;
Performance element, touch-screen enters normal running.
8. terminal device according to claim 7, it is characterized in that: described terminal device is computer, mobile phone, MP3, MP4, MP5 or E-book reader.
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| CN201210377200.XA CN102890586B (en) | 2012-10-08 | 2012-10-08 | A kind of touch-screen anti-interference method and terminal device thereof |
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Cited By (7)
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| CN103324344A (en) * | 2013-06-08 | 2013-09-25 | 广东欧珀移动通信有限公司 | Method and mobile terminal for processing break line during touch screen sliding process |
| CN103389878A (en) * | 2013-07-29 | 2013-11-13 | 广东欧珀移动通信有限公司 | Method and mobile terminal for coordinate control of touch screen |
| CN104063093A (en) * | 2014-06-30 | 2014-09-24 | 广东欧珀移动通信有限公司 | Method and device for preventing touch screen from being operated by mistake and mobile equipment |
| CN104536606A (en) * | 2014-12-19 | 2015-04-22 | 广东欧珀移动通信有限公司 | Method and device for detecting touch screen |
| CN106951850A (en) * | 2017-03-15 | 2017-07-14 | 广东欧珀移动通信有限公司 | The method and mobile terminal of a kind of control fingerprint recognition module |
| CN109964134A (en) * | 2017-10-23 | 2019-07-02 | 深圳市汇顶科技股份有限公司 | The test macro and method of touch control device anti-interference ability |
| CN111176536A (en) * | 2019-09-19 | 2020-05-19 | 广东小天才科技有限公司 | Screen expanding method based on intelligent sound box and intelligent sound box |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103324344A (en) * | 2013-06-08 | 2013-09-25 | 广东欧珀移动通信有限公司 | Method and mobile terminal for processing break line during touch screen sliding process |
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| CN104063093A (en) * | 2014-06-30 | 2014-09-24 | 广东欧珀移动通信有限公司 | Method and device for preventing touch screen from being operated by mistake and mobile equipment |
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| CN106951850A (en) * | 2017-03-15 | 2017-07-14 | 广东欧珀移动通信有限公司 | The method and mobile terminal of a kind of control fingerprint recognition module |
| WO2018166204A1 (en) * | 2017-03-15 | 2018-09-20 | 广东欧珀移动通信有限公司 | Method for controlling fingerprint recognition module, and mobile terminal and storage medium |
| CN106951850B (en) * | 2017-03-15 | 2019-06-28 | Oppo广东移动通信有限公司 | A kind of method and mobile terminal controlling fingerprint recognition mould group |
| CN109964134A (en) * | 2017-10-23 | 2019-07-02 | 深圳市汇顶科技股份有限公司 | The test macro and method of touch control device anti-interference ability |
| CN111176536A (en) * | 2019-09-19 | 2020-05-19 | 广东小天才科技有限公司 | Screen expanding method based on intelligent sound box and intelligent sound box |
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| CN102890586B (en) | 2016-09-07 |
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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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