CN103258171A - Method and device for avoiding error touch of mobile terminal touch screen and mobile terminal - Google Patents

Method and device for avoiding error touch of mobile terminal touch screen and mobile terminal Download PDF

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Publication number
CN103258171A
CN103258171A CN2012100400787A CN201210040078A CN103258171A CN 103258171 A CN103258171 A CN 103258171A CN 2012100400787 A CN2012100400787 A CN 2012100400787A CN 201210040078 A CN201210040078 A CN 201210040078A CN 103258171 A CN103258171 A CN 103258171A
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CN
China
Prior art keywords
touch
screen
control
detection signal
signal strength
Prior art date
Application number
CN2012100400787A
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Chinese (zh)
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CN103258171B (en
Inventor
曾海涛
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中国移动通信集团公司
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Application filed by 中国移动通信集团公司 filed Critical 中国移动通信集团公司
Priority to CN201210040078.7A priority Critical patent/CN103258171B/en
Publication of CN103258171A publication Critical patent/CN103258171A/en
Application granted granted Critical
Publication of CN103258171B publication Critical patent/CN103258171B/en

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    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416Control or interface arrangements specially adapted for digitisers
    • G06F3/0418Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
    • G06F3/04186Touch location disambiguation

Abstract

The invention discloses a method and a device for avoiding error touch of a mobile terminal touch screen and a mobile terminal. The method includes: monitoring strength of detection signals output by the touch screen when the touch screen of the mobile terminal is in a touchable state; determining whether the touch screen is touched by accident according to a relation of the monitored strength of the detection signals and a set threshold; and prohibiting the touch screen responding the touch when the error touch of the touch screen is confirmed. According to the method and the device for avoiding the error touch of the mobile terminal touch screen and the mobile terminal, the error touch of the touch screen can be avoided in an existing mobile terminal, design cost and design difficulty do not need to be added, the whole touch screen of the mobile terminal can be monitored, and accuracy of judging results is high.

Description

Prevent method, device and the portable terminal of mobile terminal touch screen false touch control

Technical field

The present invention relates to communication technical field, refer to a kind of method, device and portable terminal that prevents mobile terminal touch screen false touch control especially.

Background technology

Along with the continuous increase of user to the mobile terminal performance demand, the function of portable terminal not only can provide basic voice call function from strength to strength, and functions such as online, multimedia can also be provided.For better these powers of realizing, the touch screen technology of the operation interface that can extend one's service has obtained deep development and has extensively promoted, and has replaced button, keyboard gradually, becomes the standard configuration of portable terminal gradually.

Touch-screen have to touch be the advantage of gained, simple operation, the user can directly touch at screen with finger or felt pen etc., positions, operates, and finishes the function that touch-screen is realized.The main flow touch-screen can be divided into two big classes according to principle of work: electric resistance touch screen and capacitance touch screen.Electric resistance touch screen utilizes pressure sensitive to control, and when touch screen such as finger or felt pen, resistance conductive layer changes in the screen, and screen detects touch control operation and position accordingly; Capacitance touch screen then utilizes the electric current induction to detect, when conductors such as finger or felt pen touch capacitance plate, finger or felt pen etc. form with a coupling capacitance with touch screen surface, and siphon away a very little electric current from contact point, and screen detects touch control operation and position accordingly.Because capacitance touch screen has the advantage of supporting multi-point touch, become the standard configuration of the high-end portable terminal of main flow at present gradually.But there is following defective in capacitance touch screen: the principle of work of capacitance touch screen is conductors such as finger or felt pen to be used as an electrode use of a capacitor element, as long as have conductor near just can with tin indium oxide (the Indium Tin Oxide of touch-screen, ITO) just can be coupled out electric capacity between the workplace, for example use portable terminal to carry out in the process of voice call the user, people's face also can be coupled out electric capacity with touch-screen, when coupling capacitance reached certain value, the electric current that flows away just enough caused the false touch control of capacitance touch screen.

In order to overcome the defective of capacitance touch screen, whether prior art detects and has conductor to approach in the user speech communication process by sensor special spare is set, and devices such as optical sensor, infrared optical sensor, temperature sensor for example are set.But design cost and design difficulty that special sensor can increase portable terminal are set; Since sensor need with the touch-screen homonymy, be placed near the screen, also can limit the size of screen and arrange; And the sensing range of the sensor that arranges can't cover whole screen scope.

Summary of the invention

The embodiment of the invention provides a kind of method, device and portable terminal that prevents mobile terminal touch screen false touch control, in order to solve exist in the prior art avoid the false touch control of capacitance touch screen the time, the design cost that causes and design difficulty increase, the size of limiting capacitance touch-screen and layout, and sensing range can't cover the problem of whole touch screen scope.

A kind of method that prevents mobile terminal touch screen false touch control comprises:

When but the touch-screen of portable terminal is in the touch-control state, the detection signal strength of monitoring touch-screen output;

According to the described detection signal strength that monitors and the relation of setting threshold, determine whether touch-screen the false touch control takes place;

When definite touch-screen generation false touch control, Do not touch screen response touch-control.

A kind of device that prevents mobile terminal touch screen false touch control comprises:

The detection signal strength monitoring unit, but be used for when the touch-screen of portable terminal is in the touch-control state detection signal strength of monitoring touch-screen output;

False touch control determining unit is used for determining according to the described detection signal strength that monitors and the relation of setting threshold whether touch-screen the false touch control takes place;

The unit is forbidden in touch-control response, is used for when definite touch-screen generation false touch control, and Do not touch shields and responds touch-control.

A kind of portable terminal comprises touch-screen and the above-mentioned device that prevents mobile terminal touch screen false touch control.

Beneficial effect of the present invention is as follows:

The method that prevents mobile terminal touch screen false touch control, device and portable terminal that the embodiment of the invention provides, but when this scheme is in the touch-control state by the touch-screen when portable terminal, the detection signal strength of monitoring touch-screen output; According to the described detection signal strength that monitors and the relation of setting threshold, determine whether touch-screen the false touch control takes place; When definite touch-screen generation false touch control, Do not touch screen response touch-control.This scheme is by the detection signal strength of monitoring touch-screen output, and this detection signal strength and setting threshold compared determine whether touch-screen the false touch control takes place, in case determine touch-screen generation false touch control, Do not touch screen response touch-control, this scheme just can realize preventing touch-screen false touch control in existing portable terminal, need not increase design cost and design difficulty, and can monitor the whole touch screen of portable terminal, judged result accuracy height; Needn't increase special sensor and determine that the false touch control has taken place touch-screen, this has also just been avoided will causing design cost and design difficulty to increase owing to increase special sensor, the size of limiting capacitance touch-screen and layout, and sensing range can't cover the whole touch screen scope.

Description of drawings

Fig. 1 is for preventing the method flow diagram of mobile terminal touch screen false touch control in the embodiment of the invention;

Fig. 2 is for preventing the structural representation of the device of mobile terminal touch screen false touch control in the embodiment of the invention;

Fig. 3 is the structural representation of portable terminal in the embodiment of the invention;

Fig. 4 is the structural representation of a kind of preferred portable terminal in the embodiment of the invention.

Embodiment

When special sensor being set avoiding the false touch control of capacitance touch screen at passing through of existing in the prior art, the design cost that causes and design difficulty increase, the size of limiting capacitance touch-screen and layout, and sensing range can't cover the problem of whole touch screen scope, the embodiment of the invention provides a kind of method that prevents mobile terminal touch screen false touch control, the flow process of this method as shown in Figure 1, concrete execution in step is as follows:

S10: beginning.

S11: but when the touch-screen of portable terminal is in the touch-control state, the detection signal strength of monitoring touch-screen output.

Existing mobile terminal touch screen in use, but can be in the touch-control state, for example: voice call, browsing page etc., at this moment can operate accordingly by the touch-control touch-screen.As long as but touch-screen is in the touch-control state, just need monitoring from the detection signal strength of touch-screen output.Can monitor according to the time cycle of setting, also can set the time of monitoring as required.

S12: according to the relation of the detection signal strength that monitors and setting threshold, determine whether touch-screen the false touch control takes place, when the result when being, carry out S13; When the result for not the time, carry out S11.

S13: Do not touch screen response touch-control.

When generally touch-screen being carried out normal touch control operation, the touch point number has only a few, when positions such as people's face, arm will touch touch-screen unintentionally or touch touch-screen, the false touch control has just taken place in this, because this is not the touch-control of making in order to realize certain operation, at this moment the touch point number can be many.Just can determine according to the detection signal strength that monitors and setting threshold whether touch-screen the false touch control takes place, in case determine to have taken place the false touch control, Do not touch screen response touch-control still still can be monitored the detection signal strength that touch-screen is exported at once.

Concrete, the detection signal strength of the monitoring touch-screen output among the above-mentioned S11, the number difference of the electrode that has according to touch-screen, the detection signal strength of touch-screen output is also inequality, can comprise following several situation:

First kind, when touch-screen had an electrode, the strength of current that flows out according to this electrode of the time cycle monitoring touch-screen of setting was with the strength of current that the monitors detection signal strength as touch-screen output.

Existing capacitance touch screen is provided with electrode, when human body near touch-screen or touch-control during to touch-screen, human body forms coupling capacitance as another electrode with touch-screen, has electric current this moment and flows out from the electrode of touch-screen.When touch-screen had an electrode, the strength of current that can flow out according to the electrode of the time cycle monitoring touch-screen of setting was with the strength of current that the monitors detection signal strength as touch-screen output.Can be according to the actual needs setting-up time cycle, when accurately monitoring touch-screen if desired, the weak point that the time cycle can be arranged some; If when not needing accurately to monitor touch-screen, what the time cycle can be arranged is longer.

Second kind, when touch-screen had at least two electrodes, the strength of current that flows out from least two electrodes of touch-screen respectively according to the time cycle monitoring of setting was with the average of at least two strength of current the monitoring detection signal strength as touch-screen output.

When touch-screen has at least two electrodes, with the average of each strength of current of the monitoring detection signal strength as touch-screen output.Can be according to the actual needs setting-up time cycle, when accurately monitoring touch-screen if desired, the weak point that the time cycle can be arranged some; If when not needing accurately to monitor touch-screen, what the time cycle can be arranged is longer.

The third, when touch-screen had at least two electrodes, the strength of current that flows out from least two electrodes of touch-screen respectively according to the time cycle monitoring of setting was with the detection signal strength of exporting as touch-screen with value of at least two strength of current monitoring.

When touch-screen has at least two electrodes, also can with each strength of current of monitoring with the detection signal strength of value as touch-screen output.Can be according to the actual needs setting-up time cycle, when accurately monitoring touch-screen if desired, the weak point that the time cycle can be arranged some; If when not needing accurately to monitor touch-screen, what the time cycle can be arranged is longer.

Concrete, determine among the above-mentioned S12 whether touch-screen the method for false touch control takes place, different and different with the detection signal strength that monitors, can comprise following two kinds of situations:

First kind, when the detection signal strength that monitors during greater than first setting threshold, determine touch-screen generation false touch control.

When touch-screen generation false touch control, have more touch point, the detection signal strength that at this moment obtains also can be bigger, can come accordingly to determine first setting threshold, is used for representing to determine the lower limit of touch-screen generation false touch control.Suppose that first setting threshold is A, detection signal strength is S, that is to say when S>A, detection signal strength has exceeded the scope of permission, then think people's face etc. position near to or in contact with touch-screen, at this moment just can determine false touch control event has taken place, and then can lock touch-screen, Do not touch screen response touch-control can certainly be closed screen display.

Second kind, when the detection signal strength that monitors during greater than second setting threshold and less than first setting threshold, determine the touch point number that touch-screen is current, second setting threshold is less than first setting threshold; When the current touch point number of determining of touch-screen reaches the touch point threshold value of setting, determine touch-screen generation false touch control.

Soon can sense will touch-control take place the time when touch-screen, detection signal strength is smaller, can come accordingly to determine second setting threshold, is used for representing to be about to take place the upper limit of touch-control, and second setting threshold should be less than first setting threshold.When the detection signal strength that monitors is between first setting threshold and second setting threshold, need further to determine the current touch point number of touch-screen, when the touch point number reaches the touch point threshold value of setting, determine that the false touch control has taken place touch-screen.Can determine more accurately so whether touch-screen the false touch control has taken place.

Suppose that second setting threshold is B, when B<S<A, touch-screen enters alert status, can not respond touch-control at once, just need not make an immediate response user's operation, but wait for that touch panel sensor finally determines the input point position can utilize on the portable terminal existing sensor to assist, the light sensor, the shooting that comprise regulating automatically screen intensity are first-class, thereby improve the monitoring accuracy to people's the close event in positions such as face.If touch-screen finally determines to be input as a plurality of points, then think to be caused by the large tracts of land contact, namely may be that people's positions such as face contact with screen and cause, at this moment just can determine to have taken place false touch control event, and then can lock touch-screen, Do not touch screen response touch-control can certainly be closed screen display.After the touch-screen susceptibility is heightened,, namely may detect a plurality of pre-contact points, thereby judge false touch control event in advance with before touch-screen contacts fully at people's face, avoid the maloperation in the processes such as language conversation.

Concrete, the process of the touch point number that above-mentioned definite touch-screen is current specifically comprises: obtain the touch point positional information that the sensor in the touch-screen is determined; According to the touch point positional information of determining, determine the touch point number that touch-screen is current.

Preferable, after the Do not touch screen response touch-control among the above-mentioned S12, also comprise: when definite touch-screen returns to when the false touch control does not take place by the false touch control takes place, recover touch-screen and respond touch-control.

Determine that in S12 touch-screen has taken place after the false touch control, with regard to Do not touch screen response touch-control, at this moment also in the inspection signal intensity of real-time monitoring touch-screen, when being defined as the false touch control does not take place, just can reply the function of touch-screen response touch-control.This has just realized monitoring touch-screen in real time, changes the function of touch-screen response touch-control in real time according to the detection signal strength of monitoring.

Concrete, above-mentioned definite touch-screen returns to the false touch control does not take place by the false touch control takes place, and specifically comprises: when the detection signal strength that monitors during less than second setting threshold, determine that touch-screen returns to the false touch control does not take place by the false touch control takes place.

When the detection signal strength that monitors during less than second setting threshold, think that touch-screen false touch control operation finishes, just determined that also touch-screen returns to the false touch control does not take place by the false touch control takes place, thereby replied touch-screen response touch-control, realize operation normally.

That is to say when S<B, can be defined as not taking place the false touch control, at this moment do not have human body etc. near touch-screen.When entering into the state of S<B by S>B, can determine early warning contact event, recover the response touch-control again, light touch-screen.

Based on same inventive concept, the embodiment of the invention provides a kind of device that prevents mobile terminal touch screen false touch control, and the structure of this device comprises as shown in Figure 2:

Detection signal strength monitoring unit 20, but be used for when the touch-screen of portable terminal is in the touch-control state detection signal strength of monitoring touch-screen output.

In the present invention, it is in the monitoring state always to be in this detection signal strength monitoring unit of which kind of state regardless of portable terminal.Also can when be in normal operating conditions, capacitance touch screen capacitance touch screen be adjusted to accurate identification user operating position, and only the complete contact screen in positions such as human body just be made response; When entering states such as language conversation when portable terminal, the detection signal strength monitoring unit enables, and the induction standard of capacitance touch screen will lower, and then monitor detection signal strength in real time.This unit can be independent of touch-screen on off state backlight, even screen backlight is closed, when no longer receiving the user and importing, this unit just needs work in the process such as voice call as long as still be in.When no longer being in state such as language conversation when portable terminal, this unit can be closed, thereby saves the portable terminal energy consumption.

False touch control determining unit 21 for the detection signal strength that monitors according to detection signal strength monitoring unit 20 and the relation of setting threshold, determines whether touch-screen the false touch control takes place.

This unit can be embedded in the touch-screen process chip, and the information that is used for sending according to the detection signal strength monitoring unit judges whether that people's positions such as face are near touch-screen.

Unit 22 is forbidden in the touch-control response, is used for when false touch control determining unit is determined touch-screen generation false touch control Do not touch screen response touch-control.

Concrete, the above-mentioned detection signal strength monitoring unit 20 of stating, be used for: when touch-screen had an electrode, the strength of current that flows out according to this electrode of the time cycle monitoring touch-screen of setting was with the strength of current that the monitors detection signal strength as touch-screen output.

Concrete, above-mentioned detection signal strength monitoring unit 20, be used for: when touch-screen has at least two electrodes, the strength of current that flows out from least two electrodes of touch-screen respectively according to the time cycle monitoring of setting is with the average of at least two strength of current the monitoring detection signal strength as touch-screen output.

Concrete, above-mentioned detection signal strength monitoring unit 20, be used for: when touch-screen has at least two electrodes, the strength of current that flows out from least two electrodes of touch-screen respectively according to the time cycle monitoring of setting is with the detection signal strength of exporting as touch-screen with value of at least two strength of current monitoring.

Concrete, above-mentioned false touch control determining unit 21 is used for: the detection signal strength that monitors when detection signal strength monitoring unit 20 is determined touch-screen generation false touch control during greater than first setting threshold.

Concrete above-mentioned false touch control determining unit 21, be used for: the detection signal strength that monitors when detection signal strength monitoring unit 20 is during greater than second setting threshold and less than first setting threshold, determine the touch point number that touch-screen is current, second setting threshold is less than first setting threshold; When the current touch point number of determining of touch-screen reaches the touch point threshold value of setting, determine touch-screen generation false touch control.

Concrete, above-mentioned false touch control determining unit 21 is used for: obtain the touch point positional information that the sensor of touch-screen is determined; According to the touch point positional information of determining, determine the touch point number that touch-screen is current.

Preferable, the above-mentioned device that prevents mobile terminal touch screen false touch control also comprises: touch-control response recovery unit 23, and be used for determining touch-screens when false touch control determining unit 21 and return to when the false touch control does not take place by the false touch control takes place, recover touch-screen and respond touch-control.

Concrete, above-mentioned touch-control response recovery unit 23 is used for: the detection signal strength that monitors when detection signal strength monitoring unit 20 is during less than second setting threshold, determines that touch-screen returns to the false touch control does not take place by the false touch control takes place.

Based on same inventive concept, the embodiment of the invention provides a kind of portable terminal, and the structure of this portable terminal comprises touch-screen 30 and the device 31 that prevents mobile terminal touch screen false touch control as shown in Figure 2 as shown in Figure 3, and wherein, touch-screen is capacitance touch screen.

But portable terminal all can be in the touch-control state under a variety of situations, for example voice call, browsing page etc., and being in the language talking state with portable terminal below is that example describes.Be illustrated in figure 4 as the fundamental diagram between each unit in this portable terminal, wherein voice call unit 41 can be monitored portable terminal and whether is in the voice call state; Mobile terminal operating system 42 can be carried out detection signal strength monitoring unit 20, false touch control determining unit 21, touch-control response and forbid instruction between unit 22, touch-control response recovery unit 23, touch-screen 30 etc. and the transmission of response, can certainly forbid directly carrying out between unit 22, the touch-control response recovery unit 23 transmission of signaling and response in detection signal strength monitoring unit 20, false touch control determining unit 21, touch-control response; Touch-screen control module 43 can control touch-screen 30 and detection signal strength monitoring unit 20 is in the demonstration closed condition.

When the user uses portable terminal to begin to converse, the mobile terminal sound telephony unit is notified the touch-screen control module by mobile terminal operating system with talking state, carry out steering order by the touch-screen control module, enable detection signal intensity monitoring unit, the detection signal strength of monitoring touch-screen output, guarantee when user's face will contact screen, can monitor dependent event.When the user finished voice call, the touch-screen control module was closed the detection signal strength monitoring unit of screen, at this moment had only the user really to touch touch-screen, and touch-screen is just understood perception.Certainly, the detection signal strength monitoring unit also can be in running order always, monitors the detection signal strength of touch-screen output always.

In communication process, when false touch control determining unit determine user's face near the time, the touch-screen control module can be received the notice of false touch control event, control command is carried out in this unit, close screen display, Do not touch screen response touching only keeps the detection signal strength monitoring unit and works on, both save the portable terminal energy, avoided user's false touch control simultaneously; When false touch control determining unit find user's face away from the time, the touch-screen control module receives that the false touch control removes event notice, carries out control command, recovers screen display and recovers the function of touch-screen touch-control.

The present invention prevents that with existing the maloperation method is different, does not need additionally to increase sensor, but utilizes the characteristic of capacitance touch screen itself to detect.In the prior art, touch-screen only is used to receive user's input, and makes every effort to accurate, and capacitance touch screen in use is configured to just respond when guaranteeing to have only the user's finger contacts screen as far as possible for this reason.The present invention has then utilized capacitance touch screen that the feature of " noncontact namely responds " can take place, and this " shortcoming " is converted into testing tool.The embodiment of the invention is by the detection signal strength of monitoring touch-screen output, and this detection signal strength and setting threshold compared determine whether touch-screen the false touch control takes place, in case determine touch-screen generation false touch control, Do not touch screen response touch-control, for example: when positions such as user's face and screen are close to a certain degree, cause the touch-screen perception in advance, the anticipation user view, thus avoid mistake to bump.This scheme just can realize preventing touch-screen false touch control in existing portable terminal, need not increase design cost and design difficulty, and can monitor the whole touch screen of portable terminal, judged result accuracy height; Needn't increase special sensor and determine that the false touch control has taken place touch-screen, this has also just been avoided will causing design cost and design difficulty to increase owing to increase special sensor, the size of limiting capacitance touch-screen and layout, and sensing range can't cover the whole touch screen scope.

Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.

Claims (20)

1. a method that prevents mobile terminal touch screen false touch control is characterized in that, comprising:
When but the touch-screen of portable terminal is in the touch-control state, the detection signal strength of monitoring touch-screen output;
According to the described detection signal strength that monitors and the relation of setting threshold, determine whether touch-screen the false touch control takes place;
When definite touch-screen generation false touch control, Do not touch screen response touch-control.
2. the method for claim 1 is characterized in that, the detection signal strength of monitoring touch-screen output specifically comprises:
When touch-screen had an electrode, the strength of current that flows out according to this electrode of the time cycle monitoring touch-screen of setting was with the strength of current that the monitors detection signal strength as touch-screen output.
3. the method for claim 1 is characterized in that, the detection signal strength of monitoring touch-screen output specifically comprises:
When touch-screen had at least two electrodes, the strength of current that flows out from least two electrodes of touch-screen respectively according to the time cycle monitoring of setting was with the average of at least two strength of current the monitoring detection signal strength as touch-screen output.
4. the method for claim 1 is characterized in that, the detection signal strength of monitoring touch-screen output specifically comprises:
When touch-screen had at least two electrodes, the strength of current that flows out from least two electrodes of touch-screen respectively according to the time cycle monitoring of setting was with the detection signal strength of exporting as touch-screen with value of at least two strength of current monitoring.
5. the method for claim 1 is characterized in that, determines that whether touch-screen the false touch control takes place, and specifically comprises:
When the described detection signal strength that monitors during greater than first setting threshold, determine touch-screen generation false touch control.
6. the method for claim 1 is characterized in that, determines that whether touch-screen the false touch control takes place, and specifically comprises:
When the described detection signal strength that monitors during greater than second setting threshold and less than first setting threshold, determine the touch point number that touch-screen is current, described second setting threshold is less than first setting threshold;
When the current touch point number of determining of touch-screen reaches the touch point threshold value of setting, determine touch-screen generation false touch control.
7. method as claimed in claim 6 is characterized in that, determines the touch point number that touch-screen is current, specifically comprises:
Obtain the touch point positional information that the sensor in the touch-screen is determined;
According to the touch point positional information of determining, determine the touch point number that touch-screen is current.
8. as the arbitrary described method of claim 1-7, it is characterized in that, after the described Do not touch screen response touch-control, also comprise:
When definite touch-screen returns to when the false touch control does not take place by the false touch control takes place, recover touch-screen response touch-control.
9. method as claimed in claim 8 is characterized in that, determines that touch-screen returns to the false touch control does not take place by the false touch control takes place, and specifically comprises:
When the described detection signal strength that monitors during less than second setting threshold, determine that touch-screen returns to the false touch control does not take place by the false touch control takes place.
10. a device that prevents mobile terminal touch screen false touch control is characterized in that, comprising:
The detection signal strength monitoring unit, but be used for when the touch-screen of portable terminal is in the touch-control state detection signal strength of monitoring touch-screen output;
False touch control determining unit for the described detection signal strength that monitors according to the detection signal strength monitoring unit and the relation of setting threshold, determines whether touch-screen the false touch control takes place;
The unit is forbidden in the touch-control response, is used for when false touch control determining unit is determined touch-screen generation false touch control Do not touch screen response touch-control.
11. device as claimed in claim 10 is characterized in that, described detection signal strength monitoring unit specifically is used for:
When touch-screen had an electrode, the strength of current that flows out according to this electrode of the time cycle monitoring touch-screen of setting was with the strength of current that the monitors detection signal strength as touch-screen output.
12. device as claimed in claim 10, it is characterized in that, described detection signal strength monitoring unit, concrete being used for when touch-screen has at least two electrodes, the strength of current that flows out from least two electrodes of touch-screen respectively according to the time cycle monitoring of setting is with the average of at least two strength of current the monitoring detection signal strength as touch-screen output.
13. device as claimed in claim 10, it is characterized in that, described detection signal strength monitoring unit, concrete being used for when touch-screen has at least two electrodes, the strength of current that flows out from least two electrodes of touch-screen respectively according to the time cycle monitoring of setting is with the detection signal strength of exporting as touch-screen with value of at least two strength of current monitoring.
14. device as claimed in claim 10 is characterized in that, described false touch control determining unit is concrete when being used for the described detection signal strength that monitors when described detection signal strength monitoring unit greater than first setting threshold, determines touch-screen generation false touch control.
15. device as claimed in claim 10, it is characterized in that, described false touch control determining unit, concrete when being used for the described detection signal strength that monitors when described detection signal strength monitoring unit greater than second setting threshold and less than first setting threshold, determine the touch point number that touch-screen is current, described second setting threshold is less than first setting threshold; When the current touch point number of determining of touch-screen reaches the touch point threshold value of setting, determine touch-screen generation false touch control.
16. device as claimed in claim 15 is characterized in that, described false touch control determining unit, specifically the touch point positional information of determining for the sensor that obtains touch-screen; According to the touch point positional information of determining, determine the touch point number that touch-screen is current.
17. as the arbitrary described device of claim 10-16, it is characterized in that, also comprise: touch-control response recovery unit, be used for determining touch-screen when described false touch control determining unit and return to when the false touch control does not take place by the false touch control takes place, recover touch-screen and respond touch-control.
18. device as claimed in claim 17, it is characterized in that, described touch-control response recovery unit, concrete when being used for the described detection signal strength that monitors when described detection signal strength monitoring unit less than second setting threshold, the false touch control does not take place to determine that touch-screen is returned to by generation false touch control.
19. a portable terminal is characterized in that, comprising: touch-screen and as the described device that prevents mobile terminal touch screen false touch control of claim 10-18.
20. portable terminal as claimed in claim 19 is characterized in that, described touch-screen is capacitance touch screen.
CN201210040078.7A 2012-02-20 2012-02-20 Prevent the method for mobile terminal touch screen error touch control, device and mobile terminal CN103258171B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210040078.7A CN103258171B (en) 2012-02-20 2012-02-20 Prevent the method for mobile terminal touch screen error touch control, device and mobile terminal

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210040078.7A CN103258171B (en) 2012-02-20 2012-02-20 Prevent the method for mobile terminal touch screen error touch control, device and mobile terminal
PCT/CN2012/087284 WO2013123813A1 (en) 2012-02-20 2012-12-24 Method, device and mobile terminal for preventing erroneous touch on touchscreen of mobile terminal

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CN103258171A true CN103258171A (en) 2013-08-21
CN103258171B CN103258171B (en) 2016-03-02

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