CN104881174A - Method and device for dynamically adjusting sensitivity of touch screen - Google Patents
Method and device for dynamically adjusting sensitivity of touch screen Download PDFInfo
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Abstract
An embodiment of the invention discloses a method and a device for dynamically adjusting sensitivity of a touch screen. The method includes: acquiring a capacity value of a touch screen in the touch screen; when the capacity value is close to a preset capacity threshold value, adjusting touch sensitivity of the touch area. By the method and the device, probability of bad touch effect and excessive sensitivity of the touch screen can be reduced, so that the touch screen which can pass testing but is close to a testing threshold value is enabled to be more proper for reaction to touch operation, and using experience when a user uses the touch screen is improved.
Description
Technical field
The present invention relates to touch-screen field, particularly relate to a kind of method and device of dynamic conditioning sensitivity of touch screen.
Background technology
Touch-screen is a kind of induction type message input device receiving the input signals such as contact, is widely used in various human-computer interaction device, such as mobile phone, the terminals such as panel computer.When finger contact screen surface, touch-screen can identify touch, and identifies touch action and gesture.Present widely used capacitance touch screen not only possesses the series of advantages of touch-screen, and possesses multiple point touching and complicated gesture identification ability, and this makes the range of application of touch-screen significantly expand, and the use sense greatly improving user is subject to.
Capacitive touch screen makes finger and touch screen surface form coupling capacitance by the electric field of human body, and the capacitance variation amount produced when touching determines position and the direction of motion of touch, and capacitance parameter determines the result of use of touch-screen.In the production run of mobile terminal, although the touch-screen that also can use mobile terminal carries out the detection of capacitance parameter, owing to using the quantity of touch-screen very large, some also can be used and be installed by the touch-screen by detection but close to test lower limit.Therefore these touch-screens close to test lower limit in use, probabilityly may occur touching bad problem, affect the normal use of user.
Summary of the invention
In view of this, the embodiment of the present invention proposes a kind of method and device of dynamic conditioning sensitivity of touch screen, to avoid occurring that touch-screen touches bad problem.
First aspect, embodiments provide a kind of method of dynamic conditioning sensitivity of touch screen, described method comprises:
Obtain the capacitance value of the touch area in touch-screen;
Described capacitance value with preset electric capacity threshold value close to time, adjust the touch sensitivity of described touch area.
Second aspect, embodiments provide a kind of device of dynamic conditioning sensitivity of touch screen, described device comprises:
Capacitance value acquiring unit, for obtaining the capacitance value of the touch area in touch-screen;
Touch sensitivity adjustment unit, for described capacitance value with preset electric capacity threshold value close to time, adjust the touch sensitivity of described touch area.
Adopt the technical scheme that the embodiment of the present invention provides, during by the capacitance value in obtained touch area close to the electric capacity threshold value preset, the touch threshold of adjustment touch-screen.Touch-screen can be reduced and touch bad and too responsive probability, to make it possible to by test but touch-screen close to test gate limit value reacts more appropriate for touch operation, improve the experience that user uses touch-screen.
Accompanying drawing explanation
By reading the detailed description done non-limiting example done with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is the process flow diagram of the method for the dynamic conditioning sensitivity of touch screen that first embodiment of the invention provides;
Fig. 2 is the process flow diagram of the method for the dynamic conditioning sensitivity of touch screen that second embodiment of the invention provides;
Fig. 3 is the process flow diagram of the method for the dynamic conditioning sensitivity of touch screen that third embodiment of the invention provides;
Fig. 4 is the process flow diagram of the method for the dynamic conditioning sensitivity of touch screen that fourth embodiment of the invention provides;
Fig. 5 is the process flow diagram of the method for the dynamic conditioning sensitivity of touch screen that fifth embodiment of the invention provides;
Fig. 6 is the structural representation of the device of the dynamic conditioning sensitivity of touch screen that sixth embodiment of the invention provides.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, illustrate only part related to the present invention in accompanying drawing but not full content.
Fig. 1 illustrates the first embodiment of the present invention.
Fig. 1 is the schematic flow sheet of the method for a kind of dynamic conditioning sensitivity of touch screen that first embodiment of the invention provides, the method of the present embodiment can be performed by the device of dynamic conditioning sensitivity of touch screen, this device realizes by the mode of hardware and/or software, and generally can be integrated in mobile communication terminal.
The method of described dynamic conditioning sensitivity of touch screen comprises:
S101, obtains the capacitance value of the touch area in touch-screen.
Capacitive touch screen is characterized by capacitance data and touches characteristic.The accuracy meeting direct relation of capacitance detecting the accuracy of touch-screen location.Apply driving source at the two poles of the earth of testing capacitance, capacitance to be measured is converted to other physical quantitys such as voltage, power frequency and pulse width and carrys out Detection capacitance value.The electric capacity of charge detection mode to the touch area in touch-screen of charging and discharging under switching capacity equiva lent impedance metering system or fixed frequency can be adopted to detect, get the capacitance value of the touch area in touch-screen.
S102, described capacitance value with preset electric capacity threshold value close to time, adjust the touch sensitivity of described touch area.
Touch-screen judges whether to be touched, and needs by comparing and measuring numerical value and a threshold value pre-set realizes.If the capacitance measured by step S101 is too close with the threshold value preset, then in this region, there will be two kinds of situations.Unless finger presses very at full tilt, otherwise the event of touch screen just may be difficult to be detected, and easily occurs that insensitive situation is reacted in this region; Or when the finger of user does not also touch touch-screen, just may measure touch event by flase drop, easily occur the situation that the reaction of this region is too sensitive.
Owing to will determine threshold value according to the capacitance value of zoness of different all on touch-screen, and threshold value can not have larger difference because of a certain region or certain capacitance value of any and the capacitance value in other region and adjust.Therefore the situation in order to enable touch-screen effectively avoid above-mentioned appearance, need to adjust the touch sensitivity in the described capacitance value region close with the electric capacity threshold value preset, the touch area enabling described capacitance value close with the electric capacity threshold value preset works normally.
Generate in assembling process at the mobile phone of reality, after the capacitance value obtaining the touch area in touch-screen, the threshold value scope that the capacitance value of obtained touch area and one pre-set can be compared, when the capacitance value of the touch area obtained does not belong to the threshold value scope pre-set, then detected touch-screen is substandard product, the requirement of product cannot be met, the assembling of mobile terminal can not be used for.
The embodiment of the present invention is by obtaining the capacitance value of the touch area in touch-screen, and the capacitance value of described touch area and the threshold value preset are compared, described capacitance value with preset electric capacity threshold value close to time, adjust the touch sensitivity of described touch area.Touch-screen can be reduced and touch bad and too responsive probability, to make it possible to by test but touch-screen close to test gate limit value reacts more appropriate for touch operation, improve the experience that user uses touch-screen.
Fig. 2 illustrates the second embodiment of the present invention.
Fig. 2 is the schematic flow sheet of the method for the dynamic conditioning sensitivity of touch screen that second embodiment of the invention provides, the embodiment of the present invention by first embodiment of the invention dynamic conditioning sensitivity of touch screen is provided method based on.Further, default electric capacity threshold value is divided into electric capacity higher limit and electric capacity lower limit, and by described capacitance value with preset electric capacity threshold value close to time, adjust the touch sensitivity of described touch area, specifically be optimized for: described capacitance value and described electric capacity higher limit close to time, reduce the touch sensitivity of described touch area; Described capacitance value and described electric capacity lower limit close to time, improve the touch sensitivity of described touch area.
See Fig. 2, the method for described dynamic conditioning sensitivity of touch screen comprises:
Step S201, obtains the capacitance value of the touch area in touch-screen.
Step S202, described capacitance value and described electric capacity higher limit close to time, reduce the touch sensitivity of described touch area; And described capacitance value and described electric capacity lower limit close to time, improve the touch sensitivity of described touch area.
Described default electric capacity threshold value is divided into electric capacity higher limit and electric capacity lower limit.When the capacitance value of obtained touch area belongs to the threshold value scope pre-set, can think that detected touch-screen is specification product, can normally use.When the capacitance value electric capacity of touch area is close to higher limit, when the finger of user does not also touch touch-screen, just may measure touch event by flase drop, easily there is the situation that the reaction of this region is too sensitive, need the touch sensitivity reducing described touch area, can normally work to make described touch area.In like manner, when the capacitance value of described touch area is close to electric capacity lower limit, easily occur that the event of touch screen just may be difficult to be detected, easily occur that insensitive situation is reacted in this region, need the touch sensitivity improving described touch area, avoid occurring that insensitive situation is reacted in this region.
In embodiments of the present invention, electric capacity higher limit and electric capacity lower limit can be set as 200pf and 150pf respectively.After capacitance value in the touch area obtained according to step S201 and described electric capacity higher limit and lower limit compare, determine whether according to comparative result the touch sensitivity reducing or improve described touch area.
The embodiment of the present invention is by being divided into electric capacity higher limit and electric capacity lower limit by default electric capacity threshold value, and by described capacitance value with preset electric capacity threshold value close to time, adjust the touch sensitivity of described touch area, specifically be optimized for: described capacitance value and described electric capacity higher limit close to time, reduce the touch sensitivity of described touch area; Described capacitance value and described electric capacity lower limit close to time, improve the touch sensitivity of described touch area.Can adjust according to the touch sensitivity of different situations to touch area according to the capacitance value of the touch area obtained in touch-screen, to make touch-screen more appropriate for touch operation reaction, improve the experience that user uses touch-screen.
Fig. 3 illustrates the third embodiment of the present invention.
Fig. 3 is the schematic flow sheet of the method for the dynamic conditioning sensitivity of touch screen that third embodiment of the invention provides, the embodiment of the present invention by second embodiment of the invention dynamic conditioning sensitivity of touch screen is provided method based on.Further, by described described capacitance value and described electric capacity higher limit close to time, reduce the touch sensitivity of described touch area, specifically be optimized for: described capacitance value and described electric capacity higher limit close to time, improve the touch threshold of described touch area, with detecting that the electric capacitance change value of described touch area identifies described touch area when being greater than described touch threshold and is touched.
See Fig. 3, the method for described dynamic conditioning sensitivity of touch screen comprises:
Step S301, obtains the capacitance value of the touch area in touch-screen.
Step S302, described capacitance value and described electric capacity higher limit close to time, improve the touch threshold of described touch area, with detecting that the electric capacitance change value of described touch area identifies described touch area when being greater than described touch threshold and is touched.
Described electric capacity threshold value is divided into electric capacity higher limit and electric capacity lower limit.The capacitance value of the touch area of touch-screen should be between electric capacity higher limit and electric capacity lower limit.When the finger of user touches touch-screen, can there is corresponding change in the capacitance value of described touch area.If the capacitance value of the touch area of touch-screen and described electric capacity higher limit close, when the finger of user touches touch-screen, the electric capacitance change value of described touch area is compared much bigger compared to other touch area.Wherein, other touch area capacitance value described is compared with electric capacity higher limit, and its difference comparsion is large.Like this, just appear in other objects when being not intended to touch touch area, the capacitance value of touch area all can change, and make touch area can become abnormal sensitive, touch screen event can be very easy to be arrived by error-detecting.In order to avoid there is above-mentioned situation, mobile terminal can the corresponding touch threshold improving this touch area, and during touch threshold after only having the electric capacitance change value of touch area to be greater than raising, mobile terminal just can identify described touch area and be touched.
The embodiment of the present invention by described capacitance value and described electric capacity higher limit close to time, improve the touch threshold of described touch area, with detecting that the electric capacitance change value of described touch area identifies described touch area when being greater than described touch threshold and is touched.Can described capacitance value and described electric capacity higher limit close to time, by improving the method for touch threshold, the probability that effective minimizing touch-screen is too responsive, avoids touch screen event can be very easy to be arrived by error-detecting, improves the experience that user uses touch-screen.
Fig. 4 illustrates the fourth embodiment of the present invention.
Fig. 4 is the schematic flow sheet of the method for the dynamic conditioning sensitivity of touch screen that fourth embodiment of the invention provides, the embodiment of the present invention by second embodiment of the invention dynamic conditioning sensitivity of touch screen is provided method based on.Further, will described capacitance value and described electric capacity lower limit close to time, improve the touch sensitivity of described touch area, specifically be optimized for: described capacitance value and described electric capacity lower limit close to time, reduce the touch threshold of described touch area, with detecting that the electric capacitance change value of described touch area identifies described touch area when being greater than described touch threshold and is touched.
See Fig. 4, the method for described dynamic conditioning sensitivity of touch screen comprises:
Step S401, obtains the capacitance value of the touch area in touch-screen.
Step S402, described capacitance value and described electric capacity lower limit close to time, reduce the touch threshold of described touch area, with detecting that the electric capacitance change value of described touch area identifies described touch area when being greater than described touch threshold and is touched.
If the capacitance value of the touch area of touch-screen and described electric capacity lower limit close, when the finger of user touches touch-screen, the electric capacitance change value of described touch area is compared much smaller compared to other touch area, like this, will point when touching touch area, the capacitance value of touch area only has a small amount of change, and touch screen event can be difficult to be detected.In order to avoid there is above-mentioned situation, mobile terminal can the corresponding touch threshold reducing this touch area, as long as when the electric capacitance change value of touch area is greater than the touch threshold after reduction, mobile terminal will identify described touch area and be touched.
The embodiment of the present invention by described capacitance value and described electric capacity lower limit close to time, reduce the touch threshold of described touch area.Can described capacitance value and described electric capacity lower limit close to time, by improving the method for touch threshold, the effective touch-screen that reduces touches bad probability, avoids touch screen event to be difficult to be detected, improves the experience that user uses touch-screen.
Fig. 5 illustrates the fifth embodiment of the present invention.
Fig. 5 is the schematic flow sheet of the method for the dynamic conditioning sensitivity of touch screen that fifth embodiment of the invention provides, the embodiment of the present invention by first embodiment of the invention dynamic conditioning sensitivity of touch screen is provided method based on.Further, by described capability value and described electric capacity threshold value close to being specifically defined as: when the difference of described capacitance value and described electric capacity threshold value is less than or equal to the preset multiple of described electric capacity threshold value, determine described capacitance value and described electric capacity threshold value close.
Step S501, obtains the capacitance value of the touch area in touch-screen.
Step S502, when the difference of capacitance value and described electric capacity threshold value is less than or equal to the preset multiple of described electric capacity threshold value, adjusts the touch sensitivity of described touch area.
Judge described touch area capacitance value and described electric capacity threshold value whether close, need described touch area capacitance value and described electric capacity threshold value to compare.When the difference of described touch area capacitance value and described electric capacity threshold value is less than default numerical value, can determine capacitance value and described electric capacity threshold value close.The numerical value preset can be determined by experience, in the present embodiment, adopts the numerical value of the preset multiple of electric capacity threshold value as the numerical value preset.Such as electric capacity threshold value is 150pf, preset multiple is chosen as 0.2, when then the difference of touch area capacitance value and described electric capacity threshold value is less than 30, then think touch area capacitance value and described electric capacity threshold value close, and adjust the touch sensitivity of touch area accordingly.
The embodiment of the present invention by determine according to electric capacity threshold value described touch area capacitance value and described electric capacity threshold value whether close, can determine different from fiducial value according to different electric capacity threshold values, make to judge that whether touch area capacitance value and described electric capacity threshold value are close to more accurate, improve the experience that user uses touch-screen.
Fig. 6 illustrates sixth embodiment of the invention.
Fig. 6 is the structural representation of the device of the dynamic conditioning sensitivity of touch screen that sixth embodiment of the invention provides.
As seen from Figure 6, the device of described dynamic conditioning sensitivity of touch screen comprises: capacitance value acquiring unit 610 and touch sensitivity adjustment unit 620.
Wherein, described capacitance value acquiring unit 610 is for obtaining the capacitance value of the touch area in touch-screen;
Described touch sensitivity adjustment unit 620 for described capacitance value with preset electric capacity threshold value close to time, adjust the touch sensitivity of described touch area.
The embodiment of the present invention by capacitance value in obtained touch area close to the electric capacity threshold value preset time, the touch threshold of adjustment touch-screen.Touch-screen can be reduced and touch bad and too responsive probability, to make it possible to by test but touch-screen close to test gate limit value reacts more appropriate for touch operation, improve the experience that user uses touch-screen.
Further, described electric capacity threshold value comprises electric capacity higher limit and electric capacity lower limit,
Described touch sensitivity adjustment unit 620 comprises: touch threshold improves subelement 621 and touch threshold reduces subelement 622.
Wherein, described touch threshold improve subelement 621 for described capacitance value and described electric capacity higher limit close to time, reduce the touch sensitivity of described touch area;
Described touch threshold reduce subelement 622 for described capacitance value and described electric capacity lower limit close to time, improve the touch sensitivity of described touch area.
Further, described touch threshold improve subelement specifically for:
Described capacitance value and described electric capacity higher limit close to time, improve the touch threshold of described touch area, with detecting that the electric capacitance change value of described touch area identifies described touch area when being greater than described touch threshold and is touched.
Further, described touch threshold reduce subelement specifically for:
Described capacitance value and described electric capacity lower limit close to time, reduce the touch threshold of described touch area, with detecting that the electric capacitance change value of described touch area identifies described touch area when being greater than described touch threshold and is touched.
Further, described touch sensitivity adjustment unit 620 comprises: threshold value is close to determining subelement 623.
Described threshold value close to determining that subelement 623 is for when the difference of described capacitance value and described electric capacity threshold value is less than or equal to the preset multiple of described electric capacity threshold value, determine described capacitance value and described electric capacity threshold value close.
The device of above-mentioned dynamic conditioning sensitivity of touch screen can perform the method for the dynamic conditioning sensitivity of touch screen that the embodiment of the present invention provides, and possesses the corresponding functional module of manner of execution and beneficial effect.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Those of ordinary skill in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of computer installation, thus they storages can be performed by calculation element in the storage device, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to the combination of any specific hardware and software.
Each embodiment in this instructions all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, the same or analogous part between each embodiment mutually see.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, to those skilled in the art, the present invention can have various change and change.All do within spirit of the present invention and principle any amendment, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a method for dynamic conditioning sensitivity of touch screen, is characterized in that, comprising:
Obtain the capacitance value of the touch area in touch-screen;
Described capacitance value with preset electric capacity threshold value close to time, adjust the touch sensitivity of described touch area.
2. method according to claim 1, is characterized in that, described electric capacity threshold value comprises electric capacity higher limit and electric capacity lower limit,
Described described capacitance value with preset electric capacity threshold value close to time, adjust the touch sensitivity of described touch area, comprising:
Described capacitance value and described electric capacity higher limit close to time, reduce the touch sensitivity of described touch area;
Described capacitance value and described electric capacity lower limit close to time, improve the touch sensitivity of described touch area.
3. method according to claim 2, is characterized in that, described described capacitance value and described electric capacity higher limit close to time, reduce the touch sensitivity of described touch area, comprising:
Described capacitance value and described electric capacity higher limit close to time, improve the touch threshold of described touch area, with detecting that the electric capacitance change value of described touch area identifies described touch area when being greater than described touch threshold and is touched.
4. method according to claim 2, is characterized in that, described described capacitance value and described electric capacity lower limit close to time, improve the touch sensitivity of described touch area, comprising:
Described capacitance value and described electric capacity lower limit close to time, reduce the touch threshold of described touch area, with detecting that the electric capacitance change value of described touch area identifies described touch area when being greater than described touch threshold and is touched.
5. the method according to any one of claim 1-4, is characterized in that,
When the difference of described capacitance value and described electric capacity threshold value is less than or equal to the preset multiple of described electric capacity threshold value, determine described capacitance value and described electric capacity threshold value close.
6. a device for dynamic conditioning sensitivity of touch screen, is characterized in that, comprising:
Capacitance value acquiring unit, for obtaining the capacitance value of the touch area in touch-screen;
Touch sensitivity adjustment unit, for described capacitance value with preset electric capacity threshold value close to time, adjust the touch sensitivity of described touch area.
7. device according to claim 6, is characterized in that, described electric capacity threshold value comprises electric capacity higher limit and electric capacity lower limit,
Described touch sensitivity adjustment unit comprises:
Touch threshold improves subelement, for described capacitance value and described electric capacity higher limit close to time, reduce the touch sensitivity of described touch area;
Touch threshold reduces subelement, for described capacitance value and described electric capacity lower limit close to time, improve the touch sensitivity of described touch area.
8. device according to claim 7, is characterized in that, described touch threshold improve subelement specifically for:
Described capacitance value and described electric capacity higher limit close to time, improve the touch threshold of described touch area, with detecting that the electric capacitance change value of described touch area identifies described touch area when being greater than described touch threshold and is touched.
9. device according to claim 7, is characterized in that, described touch threshold reduce subelement specifically for:
Described capacitance value and described electric capacity lower limit close to time, reduce the touch threshold of described touch area, with detecting that the electric capacitance change value of described touch area identifies described touch area when being greater than described touch threshold and is touched.
10. the device according to any one of claim 6-9, is characterized in that, described touch sensitivity adjustment unit comprises:
Threshold value close to determining subelement, for when the difference of described capacitance value and described electric capacity threshold value is less than or equal to the preset multiple of described electric capacity threshold value, determine described capacitance value and described electric capacity threshold value close.
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| CN106020671A (en) * | 2016-05-27 | 2016-10-12 | 努比亚技术有限公司 | Adjustment method and device for response sensitivity of fingerprint sensor |
| CN106502470A (en) * | 2016-12-16 | 2017-03-15 | 广东欧珀移动通信有限公司 | Prevent method, device and the terminal of touch key-press false triggering |
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| CN105807997B (en) * | 2016-03-08 | 2018-11-09 | 北京珠穆朗玛移动通信有限公司 | A kind of touch screen sensitivity regulation method and device |
| CN106020671A (en) * | 2016-05-27 | 2016-10-12 | 努比亚技术有限公司 | Adjustment method and device for response sensitivity of fingerprint sensor |
| CN106502470A (en) * | 2016-12-16 | 2017-03-15 | 广东欧珀移动通信有限公司 | Prevent method, device and the terminal of touch key-press false triggering |
| CN107071147A (en) * | 2017-03-08 | 2017-08-18 | 广东欧珀移动通信有限公司 | A kind of parameter regulation means and equipment |
| CN107071147B (en) * | 2017-03-08 | 2020-01-14 | Oppo广东移动通信有限公司 | Parameter adjusting method and device |
| CN107508956A (en) * | 2017-08-23 | 2017-12-22 | 重庆哈迪斯科技有限公司 | A kind of mobile phone key sensibility testing arrangement |
| CN108089765B (en) * | 2018-01-19 | 2021-08-17 | 昆山国显光电有限公司 | Touch screen sensitivity adjusting method and device and touch screen |
| CN109407889A (en) * | 2018-10-31 | 2019-03-01 | 上海海栎创微电子有限公司 | A kind of method of settable self-capacitance detection sensitivity |
| CN112905035A (en) * | 2019-12-04 | 2021-06-04 | 北京小米移动软件有限公司 | Touch screen control method and device and computer storage medium |
| CN113849080A (en) * | 2021-09-22 | 2021-12-28 | Tcl家用电器（合肥）有限公司 | Touch sensitivity adjusting method and device, storage medium and electronic equipment |
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