CN104252399A - Calibration processing method and device of touch screen, touch screen and terminal - Google Patents
Calibration processing method and device of touch screen, touch screen and terminal Download PDFInfo
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- CN104252399A CN104252399A CN201310265443.9A CN201310265443A CN104252399A CN 104252399 A CN104252399 A CN 104252399A CN 201310265443 A CN201310265443 A CN 201310265443A CN 104252399 A CN104252399 A CN 104252399A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
- G06F3/04186—Touch location disambiguation
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- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
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Abstract
The invention provides a calibration processing method and device of a touch screen, the touch screen and a terminal. The method comprises the following steps: collecting a capacitance change of transverse and longitudinal electrode crossed points of the touch screen; judging whether water steam attaches to the touch screen or not according to the capacitance change; if so, not calibrating the touch screen; and/or if not, calibrating the touch screen. By adopting the method, the problems in the related technology that the water steam exits on the touch screen, automatic contact reporting is generated by the touch screen if the water steam disappears after the touch screen is calibrated, and the operation of the touch screen is abnormal are solved, so that the effects that the touch screen can be used normally no matter whether the water steam disappears under the condition that the water steam attaches to the touch screen, and a phenomenon that false contact reporting is generated to cause the abnormal operation of the touch screen does not easily occur are realized.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of touch screen calibration disposal route, device, touch-screen and terminal.
Background technology
Touch-screen (touch screen) is also called " touch screen ", " contact panel ", is a kind of transparent medium being attached to display surface.According to the difference of touch-screen principle of work and transmission information medium, a lot of class can be divided into, as resistive touch screen, capacitive touch screen, infrared-type touch-screen, surface acoustic wave touch screen.Wherein, capacitive touch screen utilizes the electric current of human body to respond to carry out work, be one of touch-screen kind most widely used in current equipment.
Capacitive touch screen judges touch point by the induction capacitance variations that produces of human body touch.It has two groups of signal wires: drive wire and the line of induction, and drive wire transmits, the change of line of induction detecting capacitance.When finger touch on the metal layer time, due to the existence of human body electric field, finger and touch screen surface form a coupling capacitance, and for high-frequency current, electric capacity is direct conductor, siphon away a very little electric current so point from contact point.Have impact on the coupling between two electrodes near touch point, thus change the electric capacity between these two electrodes.When detecting mutual capacitance size, the electrode in drive wire direction sends pumping signal successively, all electrodes Received signal strength simultaneously in line of induction direction, the change of the capacitance of all horizontal and vertical electrodes intersect points can be obtained like this, the i.e. capacitance size of the two dimensional surface of whole touch-screen, according to touch screen two-dimensional capacitance change data, can calculate the coordinate of each touch point, even if therefore screen is upper multiple touch point, the true coordinate of each touch point also can be calculated.
The change of capacitive touch screen to environment such as temperature, humidity, electrostatic is comparatively responsive, so capacitive touch screen generally all needs to do primary calibration when being waken up, to reduce the interference of surrounding environment.Steam interference be a kind of phenomenon that we often encounter, such as, winter mobile phone higher from temperature take within doors the lower room of temperature time, be easy to produce one deck steam in touch screen surface; In summer, people are very easy to perspire, and are easy to sweat stain to remain on mobile phone.Because the steam on screen or sweat stain very easily disappear, if steam disappears after touch-screen wakes up and calibration occurs, touch-screen is easy to automatically report a little because steam disappears to produce, thus causes touch screen operation abnormal even without the situation of response further, has a strong impact on user and uses.
Therefore, in the related due to touch-screen existing steam, and if touch-screen occur calibration after steam disappear, produce touch-screen produce automatically reports a little, cause the problem of touch screen operation exception.
Summary of the invention
The invention provides a kind of touch screen calibration disposal route, device, touch-screen and terminal, at least to solve in the related due to touch-screen existing steam, if and touch-screen occur calibration after steam disappear, produce touch-screen produce automatically reports a little, cause the problem of touch screen operation exception.
According to an aspect of the present invention, provide a kind of touch screen calibration disposal route, comprising: the capacitance variation of the horizontal and vertical electrodes intersect point of collection touch; According to described capacitance variation, judge whether described touch-screen is attached with steam; When judged result is for being, described touch-screen is not calibrated; And/or, when judged result is no, described touch-screen is calibrated.
Preferably, before the described capacitance variation gathering described touch-screen horizontal and vertical electrodes intersect point, also comprise: the frequency gathering described capacitance variation is set, according to the described capacitance variation of touch-screen horizontal and vertical electrodes intersect point described in the described frequency collection arranged.
Preferably, according to described capacitance variation, judge whether described touch-screen is attached with steam and comprises: described capacitance variation is converted to signed parameter; According to described signed parameter, judge whether described touch-screen is attached with steam.
Preferably, according to described signed parameter, judge whether described touch-screen is attached with steam and comprises: judge whether described signed parameter exceedes predetermined threshold; When judged result is for being, determine that described touch-screen is attached with steam; And/or, when judged result is no, determine that described touch-screen does not adhere to steam.
According to a further aspect in the invention, provide a kind of touch screen calibration treating apparatus, comprising: acquisition module, for the capacitance variation of the horizontal and vertical electrodes intersect point of collection touch; Judge module, for according to described capacitance variation, judges whether described touch-screen is attached with steam; Calibration process module, for when the judged result of described judge module is for being, does not calibrate described touch-screen; And/or, when the judged result of described judge module is no, described touch-screen is calibrated.
Preferably, this device also comprises: arrange module, for arranging the frequency gathering described capacitance variation, according to the described capacitance variation of touch-screen horizontal and vertical electrodes intersect point described in the described frequency collection arranged.
Preferably, described judge module comprises: converting unit, for described capacitance variation is converted to signed parameter; Judging unit, for according to described signed parameter, judges whether described touch-screen is attached with steam.
Preferably, described judging unit comprises: judgment sub-unit, for judging whether described signed parameter exceedes predetermined threshold; Determining subelement, for when judged result is for being, determining that described touch-screen is attached with steam; And/or, when judged result is no, determine that described touch-screen does not adhere to steam.
According to another aspect of the invention, provide a kind of touch-screen, comprise the device described in above-mentioned any one.
According to also one side of the present invention, provide a kind of terminal, comprise touch-screen described above.
By the present invention, adopt the capacitance variation of the horizontal and vertical electrodes intersect point of collection touch; According to described capacitance variation, judge whether described touch-screen is attached with steam; When judged result is for being, described touch-screen is not calibrated; And/or, when judged result is no, described touch-screen is calibrated, solves in the related due to touch-screen existing steam, and if touch-screen occur calibration after steam disappear, produce touch-screen generation automatically to report a little, cause the problem of touch screen operation exception, and then reach when being attached with steam on the touchscreen, no matter whether steam disappears, touch-screen all can normally use, and can not produce wrong report point easily and cause the effect of touch screen operation exception.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the process flow diagram of the touch screen calibration disposal route according to the embodiment of the present invention;
Fig. 2 is the structured flowchart of the touch screen calibration treating apparatus according to the embodiment of the present invention;
Fig. 3 is the preferred structure block diagram of the touch screen calibration treating apparatus according to the embodiment of the present invention;
Fig. 4 is the preferred structure block diagram of judge module 24 in the touch screen calibration treating apparatus according to the embodiment of the present invention;
Fig. 5 is the preferred structure block diagram of judging unit 44 in judge module 24 in the touch screen calibration treating apparatus according to the embodiment of the present invention;
Fig. 6 is the structured flowchart of the touch-screen according to the embodiment of the present invention;
Fig. 7 is the structured flowchart of the terminal according to the embodiment of the present invention;
Fig. 8 is the structured flowchart of capacitance type touch screen equipment according to the preferred embodiment of the invention;
Fig. 9 is the process flow diagram of the capacitive touch screen method according to the embodiment of the present invention;
Figure 10 is the process flow diagram of the anti-steam algorithm according to the embodiment of the present invention.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
Provide a kind of touch screen calibration disposal route in the present embodiment, Fig. 1 is the process flow diagram of the touch screen calibration disposal route according to the embodiment of the present invention, and as shown in Figure 1, this flow process comprises the steps:
Step S102, the capacitance variation of the horizontal and vertical electrodes intersect point of collection touch;
Step S104, according to above-mentioned capacitance variation, judges whether touch-screen is attached with steam;
Step S106, when judged result is for being, does not calibrate touch-screen; And/or, when judged result is no, touch-screen is calibrated.
Pass through above-mentioned steps, according to the change of touch-screen capacitance, determine whether touch-screen is attached with steam, touch-screen is not calibrated when there being steam, and just touch-screen is calibrated when there is no steam, relative in correlation technique, be attached with steam on the touchscreen also to calibrate touch-screen, change the calibration zero point of touch-screen, thus steam causes touch screen operation abnormal after disappearing, touch-screen is not calibrated when there being steam, thus the calibration zero point of touch-screen can not be changed after steam disappears, thus the operation exception of touch-screen can not be caused, and then reach when being attached with steam on the touchscreen, no matter whether steam disappears, touch-screen all can normally use, wrong report point can not be produced easily and cause the effect of touch screen operation exception.
In order to ensure within a certain predetermined time, all normal to the operation of touch-screen, can before the capacitance variation of the horizontal and vertical electrodes intersect point of collection touch, the frequency gathering capacitance variation is set, according to the capacitance variation of the horizontal and vertical electrodes intersect point of frequency collection touch-screen arranged, thus effectively ensure that touch-screen operates within a certain schedule time normal.
According to capacitance variation, when judging whether touch-screen is attached with steam, multiple processing mode can be adopted, such as, can judge whether touch-screen is attached with steam comparatively roughly, first, capacitance variation is converted to signed parameter; According to signed parameter, judge whether touch-screen is attached with steam.Such as, during due to finger touch touch-screen, capacitance can diminish, and thus can be set to a negative sense value, and when having vapor adhesion on the touchscreen, capacitance can become large, thus can be set to a forward value.Therefore, according to arrange forward value or negative sense value judges whether touch-screen is attached with steam.It should be noted that, forward value is set and negative sense value is set and only have the comparatively simple recording mode of one, also can adopt other recording mode, such as, forward value can also be set to by during finger touch touch-screen, vapor adhesion touch-screen will be had to be set to negative sense value.
Touch-screen is attached with steam and there is multiple situation yet, such as, touch-screen may be attached with a little steam, this little steam does not affect the operation of touch-screen, thus can not process above-mentioned steam, but can directly calibrate touch-screen; Again such as, touch-screen is attached with more steam during possibility, and this more steam is comparatively large to the operating influence of touch-screen, therefore, can not process touch-screen, avoids the operation exception of touch-screen.In order to distinguish above-mentioned different situations, to carry out distinguishing process, according to signed parameter, when judging whether touch-screen is attached with steam, a predetermined threshold can be first set, this predetermined threshold corresponds to the need of the vapour quantity calibrated touch-screen, then judges whether signed parameter exceedes this predetermined threshold; When judged result is for being, determine that touch-screen is attached with steam; And/or, when judged result is no, determine that touch-screen does not adhere to steam.By such process, make to carry out more mainly judging accurately to whether carrying out calibration.
Additionally provide a kind of touch screen calibration treating apparatus in the present embodiment, this device is used for realizing above-described embodiment and preferred implementation, has carried out repeating no more of explanation.As used below, term " module " can realize the software of predetermined function and/or the combination of hardware.Although the device described by following examples preferably realizes with software, hardware, or the realization of the combination of software and hardware also may and conceived.
Fig. 2 is the structured flowchart of the touch screen calibration treating apparatus according to the embodiment of the present invention, and as shown in Figure 2, this device comprises acquisition module 22, judge module 24 and calibration process module 26, is described below to this device.
Acquisition module 22, for the capacitance variation of the horizontal and vertical electrodes intersect point of collection touch; Judge module 24, is connected to above-mentioned acquisition module 22, for according to capacitance variation, judges whether touch-screen is attached with steam; Calibration process module 26, is connected to above-mentioned judge module 24, for when the judged result of above-mentioned judge module 24 is for being, does not calibrate touch-screen; And/or, when the judged result of above-mentioned judge module 24 is no, touch-screen is calibrated.
Fig. 3 is the preferred structure block diagram of the touch screen calibration treating apparatus according to the embodiment of the present invention, and as shown in Figure 3, this device, except comprising all modules shown in Fig. 2, also comprises: arrange module 32, below this is arranged to module 32 and is described.
Module 32 is set, is connected to above-mentioned acquisition module 22, for arranging the frequency gathering capacitance variation, according to the capacitance variation of the horizontal and vertical electrodes intersect point of frequency collection touch-screen arranged.
Fig. 4 is the preferred structure block diagram of judge module 24 in the touch screen calibration treating apparatus according to the embodiment of the present invention, and as shown in Figure 4, this judge module 24 comprises converting unit 42 and judging unit 44, is described below to this judge module 24.
Converting unit 42, for being converted to signed parameter by above-mentioned capacitance variation; Judging unit 44, is connected to above-mentioned converting unit 42, for according to above-mentioned signed parameter, judges whether touch-screen is attached with steam.
Fig. 5 is the preferred structure block diagram of judging unit 44 in judge module 24 in the touch screen calibration treating apparatus according to the embodiment of the present invention, as shown in Figure 5, this judging unit 44 comprises judgment sub-unit 52, determines subelement 54, is described below to this judging unit 34.
Judgment sub-unit 52, for judging whether signed parameter exceedes predetermined threshold; Determining subelement 54, be connected to above-mentioned judgment sub-unit 52, for when the judged result of judgment sub-unit 52 is for being, determining that touch-screen is attached with steam; And/or, when the judged result of judgment sub-unit 52 is no, determine that touch-screen does not adhere to steam.
Fig. 6 is the structured flowchart of the touch-screen according to the embodiment of the present invention, and as shown in Figure 6, this touch-screen 60, comprises the touch screen calibration treating apparatus 62 described in above-mentioned any one.
Fig. 7 is the structured flowchart of the terminal according to the embodiment of the present invention, and as shown in Figure 7, this terminal 70, comprises the touch-screen 60 shown in Fig. 6.
Be described below in conjunction with preferred embodiment.
For in correlation technique, when using capacitance type touch screen equipment, no matter it is winter or summer, often have the problem of steam interference, namely when having steam on screen, wake the rear problem easily having wrong report point to produce up, a kind of method that can prevent steam from easily producing wrong report point is on the touchscreen proposed in preferred the present embodiment, and use the capacitance type touch screen equipment of the method, namely touch screen calibration disposal route described above and device, by the method and device, even if having steam on screen, before and after steam disappears, all can not produce wrong report point, improve Consumer's Experience.Below the capacitance type touch screen equipment of the capacitance touch screen anti-steam of the present embodiment and capacitance touch screen anti-steam method are described respectively.
Fig. 8 is the structured flowchart of capacitance type touch screen equipment according to the preferred embodiment of the invention, as shown in Figure 8, this capacitance type touch screen equipment can comprise with lower module: clock control module 80(and above-mentioned to arrange module 32 function suitable), data scanning module 81 is suitable with above-mentioned acquisition module 22 function with data acquisition module 82(), data conversion module 83 is suitable with above-mentioned converting unit 42 function with data processing module 84(), memory module function in data memory module 75(and correlation technique is suitable), control module 86(is suitable with above-mentioned calibration process module 26 function in calibration), communication module in communication module 87 and application module 88(and correlation technique is suitable with memory module function).Below above-mentioned modules is described respectively.
Clock control module 80: for setting the sweep frequency of capacitance plate.
Data acquisition module 82: send pumping signal successively by the electrode in drive wire direction and scan whole touch-screen, simultaneously, all electrodes Received signal strength simultaneously in line of induction direction, gathers the change of electric capacity (i.e. coupling capacitance) value of horizontal and vertical electrodes intersect point.During the finger touch capacitance plate of people, coupling capacitance can be made to diminish, and vapor adhesion on capacitance plate time, coupling capacitance can be made to become large.
Data processing module 84: by the data analysis of each passage of capacitance plate that gets and algorithm process, judged whether that vapor adhesion is on screen.By program calculation, the change of capacitance is converted to another and organizes signed parameter.If this group parameter is just, be forward value, meaning this passage is finger touch.If parameter is negative, be negative sense value, meaning this passage has vapor adhesion.If have vapor adhesion on screen, and calibrate, if after steam disappearance, former steam place then transfers forward value to by negative sense value, similar with the effect of finger touch, and generation is reported a little automatically.
Calibration control module 86: calibration process is carried out to capacitance plate.
Communication module 87: for the transmission of host side and touch-screen die terminals data.
Application module 88: for receiving the data of bottom layer driving side and pointing out user.
Additionally provide a kind of method of capacitance touch screen anti-steam in the preferred embodiment, the method achieve when preventing steam on capacitance plate and easily produce wrong report point, the method comprises the steps:
Step S1, wakes capacitive touch screen screen up.
Step S2, scans capacitance plate with the frequency that clock control module sets, and collects the data of each passage of touch-screen simultaneously.
The data collected are converted to digital signal by step S3, and the data after conversion are passed to data processing module process.
Step S4, data processing module processes the data passed over, and has judged whether that vapor adhesion is on screen.This module specific aim can set a negative sense threshold value, if data are less than negative sense threshold value, then illustrate there is vapor adhesion on screen, then never calls calibration interface, otherwise call calibration interface.
Step S5, as then calibrated touch-screen without steam, otherwise does not calibrate.
By the method for above-mentioned capacitance touch screen anti-steam, the principle utilizing finger and steam to change in the opposite direction to touch-screen coupling capacitance, has judged whether that when touch-screen wakes up vapor adhesion is on screen.Not aiming screen when having a vapor adhesion, just can not produce report point and affect the operation of client to touch-screen automatically when steam disappears.Meanwhile, even if steam does not disappear, the signal because of finger generation is far longer than the signal that steam produces, so also do not affect customer experience.Such as, when having vapor adhesion on screen, after touch-screen not being calibrated, the second capacitance variations value gathering the first capacitance variations value because vapor adhesion touch-screen causes and cause due to finger touch touch-screen; Judge that whether difference between the first capacitance variations value and the second capacitance variations value is more than the second predetermined threshold; When judged result is for being, carry out touch screen operation process according to above-mentioned second capacitance variations value.Thus when user can be made on Mobile phone screen to adhere to steam, no matter whether steam disappears, and touch-screen all can normally use, and automatic report point can not be produced easily and cause the phenomenon of touch screen operation exception.
Below in conjunction with accompanying drawing, embodiment and preferred implementation are described.
Fig. 9 is the process flow diagram of the capacitive touch screen method according to the embodiment of the present invention, and as shown in Figure 9, this flow process comprises the steps:
Step S902, wakes capacitive touch screen screen up.
Step S904, scans and collects the data on each passage of touch-screen.With the frequency that clock control module sets, capacitance plate is scanned, collect the data of each passage of touch-screen simultaneously.
Step S906, to the data analysis process obtained.Data processing module processes the data passed over.
Step S908, has judged whether that vapor adhesion is on screen.Set a negative sense threshold value, if data are less than negative sense threshold value, then illustrate there is vapor adhesion on screen, otherwise illustrate there is no vapor adhesion on screen.
Step S910, as then calibrated touch-screen without steam, otherwise does not calibrate touch-screen.
Figure 10 is the process flow diagram of the anti-steam algorithm according to the embodiment of the present invention, and as shown in Figure 10, this flow process comprises the steps:
Step S1002, first sets the threshold value of a negative sense value.
Step S1004, calculates direction and the size of the data of each passage of touch-screen obtained.
Step S1006, has judged whether that data have exceeded threshold value, has namely judged whether that vapor adhesion is on screen.If have data to be negative sense value and exceeded negative sense threshold value, then illustrate there is vapor adhesion.
Step S1008, current touch screen has vapor adhesion, then do not calibrate touch-screen, otherwise calibration touch-screen.
Obviously, those skilled 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 calculation element, thus, they can be stored and be performed by calculation element in the storage device, and in some cases, step shown or described by can performing with the order be different from herein, 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 any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a touch screen calibration disposal route, is characterized in that, comprising:
The capacitance variation of the horizontal and vertical electrodes intersect point of collection touch;
According to described capacitance variation, judge whether described touch-screen is attached with steam;
When judged result is for being, described touch-screen is not calibrated; And/or, when judged result is no, described touch-screen is calibrated.
2. method according to claim 1, is characterized in that, before the described capacitance variation gathering described touch-screen horizontal and vertical electrodes intersect point, also comprises:
The frequency gathering described capacitance variation is set, according to the described capacitance variation of touch-screen horizontal and vertical electrodes intersect point described in the described frequency collection arranged.
3. method according to claim 1, is characterized in that, according to described capacitance variation, judges whether described touch-screen is attached with steam and comprises:
Described capacitance variation is converted to signed parameter;
According to described signed parameter, judge whether described touch-screen is attached with steam.
4. method according to claim 3, is characterized in that, according to described signed parameter, judges whether described touch-screen is attached with steam and comprises:
Judge whether described signed parameter exceedes predetermined threshold;
When judged result is for being, determine that described touch-screen is attached with steam; And/or, when judged result is no, determine that described touch-screen does not adhere to steam.
5. a touch screen calibration treating apparatus, is characterized in that, comprising:
Acquisition module, for the capacitance variation of the horizontal and vertical electrodes intersect point of collection touch;
Judge module, for according to described capacitance variation, judges whether described touch-screen is attached with steam;
Calibration process module, for when the judged result of described judge module is for being, does not calibrate described touch-screen; And/or, when the judged result of described judge module is no, described touch-screen is calibrated.
6. device according to claim 5, is characterized in that, also comprises:
Module is set, for arranging the frequency gathering described capacitance variation, according to the described capacitance variation of touch-screen horizontal and vertical electrodes intersect point described in the described frequency collection arranged.
7. device according to claim 5, is characterized in that, described judge module comprises:
Converting unit, for being converted to signed parameter by described capacitance variation;
Judging unit, for according to described signed parameter, judges whether described touch-screen is attached with steam.
8. device according to claim 7, is characterized in that, described judging unit comprises:
Judgment sub-unit, for judging whether described signed parameter exceedes predetermined threshold;
Determining subelement, for when judged result is for being, determining that described touch-screen is attached with steam; And/or, when judged result is no, determine that described touch-screen does not adhere to steam.
9. a touch-screen, comprises the device according to any one of claim 5 to 8.
10. a terminal, comprises touch-screen according to claim 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310265443.9A CN104252399A (en) | 2013-06-27 | 2013-06-27 | Calibration processing method and device of touch screen, touch screen and terminal |
| PCT/CN2013/084114 WO2014205934A1 (en) | 2013-06-27 | 2013-09-24 | Touchscreen calibration processing method, apparatus, touchscreen, and terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310265443.9A CN104252399A (en) | 2013-06-27 | 2013-06-27 | Calibration processing method and device of touch screen, touch screen and terminal |
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| CN104252399A true CN104252399A (en) | 2014-12-31 |
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| CN201310265443.9A Pending CN104252399A (en) | 2013-06-27 | 2013-06-27 | Calibration processing method and device of touch screen, touch screen and terminal |
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| WO (1) | WO2014205934A1 (en) |
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| WO2017206545A1 (en) * | 2016-05-30 | 2017-12-07 | 京东方科技集团股份有限公司 | Capacitance value calibrating apparatus and method, and touch display device |
| CN108062175A (en) * | 2016-11-07 | 2018-05-22 | 中兴通讯股份有限公司 | Screen operator control method, device and terminal |
| CN110134295A (en) * | 2018-02-09 | 2019-08-16 | 鹤壁天海电子信息***有限公司 | Terminal device, capacitance touch screen and its touch identification method |
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| WO2014205934A1 (en) | 2014-12-31 |
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