CN103309490B - A kind of touch input device location control method, device and touch input device - Google Patents
A kind of touch input device location control method, device and touch input device Download PDFInfo
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Abstract
The embodiment of the invention discloses a kind of touch input device location control method, device and system, a kind of touch input device positions control method, including: receiving the input signal for touch point, described input signal includes touch command and current sensed parameter value；Calculate and generate the first location data corresponding with described current sensed parameter value；Obtain preset when prelocalization reference value；The most described first location data generate positioning correcting instruction with described location reference value；Respond the instruction of described positioning correcting and obtain positioning correcting mapping table, and with reference to described positioning correcting mapping table, described first location data are corrected, the second location data that output is mated with described touch point.The embodiment of the present invention offsets the environment impact for touch point location data, reaches location, contact and prepares easy to operate technique effect.
Description
Technical field
The present invention relates to touch input device technical field, more particularly, it relates to a kind of touch input device location is adjusted
Joint methods, devices and systems.
Background technology
Touch input device is by touch pad face or to coordinate display screen to realize program control, the equipment of field control function, institute
State touch input device with easy and simple to handle and be widely used in the field such as industrial control field, mobile device, relatively common
Type is touch pad and touch screen.
As a example by capacitive touch screen, described capacitive touch screen is the screen way of realization of current mobile terminal main flow,
It all plates long and narrow electrode on touch screen four limit, forms a low-voltage AC electricity in the electric conductor being made up of described electrode
?.When touching screen due to the existence of human body electric field, form one at finger with conductor interlayer and couple electric capacity, finger trigger screen
Coupling electric capacity during curtain described at contact will change, electrode described in described capacitor trigger sends current direction contact, institute
The change stating coupling electric capacity causes the frequency of the agitator being connected with described coupling electric capacity to change, and touch screen processor is passed through
Calculating current and measurement frequency change determine touch location.
Above-mentioned coupling electric capacity is as conventional capacitive, and its capacitance associates with dielectric constant, and described dielectric constant is
One parameter easily changed with the difference of temperature and humidity, therefore the sense that described capacitive touch screen is under temperature and humidity changes
Answering stability poor, often produce drift phenomenon, namely finger touches some position and the touch screen real reaction of screen
There is deviation in point position.
Existing touch input device is only cancelled preceding touch point position behaviour by mobile phone users for described drift phenomenon
Making, by again tapping on till reflecting point is substantially accurately, therefore, existing touch input device also exists in ambient temperature
A position drift situation is caused with described coupling capacitance change during the change of the ambient parameter such as humidity, and to touch input device
For bringing unhandy problem.
Summary of the invention
In view of this, the present invention provides a kind of touch input device location control method, device and system, to realize basis
The ambient parameter change location data regulation to touch input device, reaches the technique effect of accurate positioning.
A kind of touch input device location control method, including:
Receiving the input signal for touch point, described input signal includes touch command and current sensed parameter value；
Calculate and generate the first location data corresponding with described current sensed parameter value；
Obtain preset when prelocalization reference value；
The most described first location data generate positioning correcting instruction with described location reference value；
Respond the instruction of described positioning correcting and obtain positioning correcting mapping table, and with reference to described positioning correcting mapping table to described
First location data are corrected, the second location data that output is mated with described touch point.
Preferably:
Described current sensed parameter value includes: the current temperature value of described touch point correspondence position and/or humidity value, described
First location data include coupling capacitance and/or the position data of current touch point, and described calculating generates and described input letter
The first number corresponding location data particularly as follows:
According to described current temperature value and/or humidity value, obtain described current touch-control with reference to coupling capacitance computing formula
The coupling capacitance of point；
Obtain coupling capacitance and touch point position mapping relations, obtain the position data of described current touch point.
Described acquisition preset when prelocalization reference value, particularly as follows:
Search preset time period internal standard temperature value, with under humidity value, demarcates the described touch point in the reference value table of location
Reference coupling capacitance；
And according to coupling capacitance and touch point position mapping relations, capture the reference location data of current touch point.
In order to improve such scheme, described location control method also includes:
Judge described first location data and when the difference of prelocalization reference value is whether in corrected threshold, such as described difference
Beyond described corrected threshold, then generate positioning correcting instruction, with reference to positioning correcting mapping table, described first location data are carried out
Correction；
Not being corrected, described corrected threshold is the corrective action reference difference set in Preset Time.
Preferably, respond the instruction of described positioning correcting and obtain positioning correcting mapping table, and map with reference to described positioning correcting
Described first location data are corrected including by table:
Search for and extract described location reference value under preset time period internal standard temperature value and humidity value, for coupling electricity
The correct ratio map listing of capacitance；
Intercept and capture the coupling capacitance of current touch point and couple correction ratio corresponding to the difference of electric capacity reference value with when prelocalization
Correct ratio in rate map listing, is corrected the coupling capacitance of described current touch point.
Respond the instruction of described positioning correcting and obtain positioning correcting mapping table, and with reference to described positioning correcting mapping table to described
First location data are corrected including:
Search for and extract described location reference value under preset time period internal standard temperature value and humidity value, touch for current
Control point position data correct ratio map listing；
Intercept and capture correct ratio corresponding to the position data of current touch point and the difference of current location position data reference value
Correct ratio in map listing, is corrected the position data of described current touch point.
In order to improve such scheme, described location control method also includes:
Receive the touch command logining location regulation client.
Preferably, when the location regulating command that described touch command is for specified point position:
Respond the regulating command of described location and obtain positioning correcting mapping table, and with reference to described positioning correcting mapping table to described
The position data of specified point position is corrected, the position data that output is mated with described specified point position.
In order to improve such scheme, before receiving touch point input signal, also include:
User according to regulating client by logining location sets request, and described user sets request and includes newly correcting
Threshold value；
Respond described user set request and utilize described new corrected threshold to replace old corrected threshold.
In order to improve such scheme, described location control method also includes: with reference to described positioning correcting mapping table to institute
State the first location data when being corrected, utilize described positioning correcting instruction triggers to start auxiliary temperature compensating unit and carry out currently
Sensed parameter value complement is repaid.
A kind of touch input device location adjusting device, including:
Receiving unit, for receiving the input signal for touch point, described input signal includes that touch command is with current
Sensed parameter value；
First location data generating unit, generates the first location number corresponding with described current sensed parameter value for calculating
According to；
When prelocalization reference value acquiring unit, default when prelocalization reference value for obtaining；
Positioning correcting instruction signal generating unit, generates location for the most described first location data with described location reference value
Correction instruction；
Correction unit, is used for responding the instruction of described positioning correcting and obtains positioning correcting mapping table, and with reference to school, described location
Described first location data are corrected by positive mapping table, the second location data that output is mated with described touch point.
Preferably, described current sensed parameter value includes: the current temperature value of described touch point correspondence position and/or humidity
Value, described first location data include coupling capacitance and/or the position data of current touch point, the first location data genaration list
Unit includes:
Coupling capacitance signal generating unit, for according to described current temperature value and/or humidity value, with reference to coupling capacitance meter
Calculate formula and obtain the coupling capacitance of described current touch point；
Position data signal generating unit, is used for obtaining coupling capacitance and touch point position mapping relations, obtain described currently
The position data of touch point.
When prelocalization reference value acquiring unit implements:
Search preset time period internal standard temperature value, with under humidity value, demarcates the described touch point in the reference value table of location
Reference coupling capacitance；
And according to coupling capacitance and touch point position mapping relations, capture the reference location data of current touch point.
In order to improve such scheme, described location adjusting device also includes:
Identifying unit, for judging described first location data and when whether the difference of prelocalization reference value is in corrected threshold
In, corrected threshold as described in described difference exceeds, then generated positioning correcting instruction, ginseng by described positioning correcting instruction signal generating unit
According to positioning correcting mapping table, described first location data are corrected；Not being corrected, described corrected threshold is in advance
If the corrective action reference difference set in the time.
Preferably, correction unit implements:
Search for and extract described location reference value under preset time period internal standard temperature value and humidity value, for coupling electricity
The correct ratio map listing of capacitance；
Intercept and capture the coupling capacitance of current touch point and couple correction ratio corresponding to the difference of electric capacity reference value with when prelocalization
Correct ratio in rate map listing, is corrected the coupling capacitance of described current touch point.
Search for and extract described location reference value under preset time period internal standard temperature value and humidity value, touch for current
Control point position data correct ratio map listing；
Intercept and capture correct ratio corresponding to the position data of current touch point and the difference of current location position data reference value
Correct ratio in map listing, is corrected the position data of described current touch point.
In order to improve such scheme, described location adjusting device also includes: location regulation client-side interface, steps on for reception
Enter the touch command of described location regulation client.
Location regulating command response unit:
For responding the regulating command of described location, and the regulating command of described location is sent to described correction unit, by institute
State correction unit and obtain positioning correcting mapping table, and with reference to the described positioning correcting mapping table position data to described specified point position
It is corrected, the position data that output is mated with described specified point position.
Corrected threshold updating block, for setting request, described use according to the user regulating client by logining location
Family sets request and includes new corrected threshold；
Respond described user set request and utilize described new corrected threshold to replace old corrected threshold.
Auxiliary temperature compensating unit, for carrying out school with reference to described positioning correcting mapping table to described first location data
Timing, receives described positioning correcting instruction triggers and starts auxiliary temperature compensating unit and carry out current sensed parameter value complement and repay.
A kind of touch input device, above-mentioned location adjusting device.
From above-mentioned technical scheme it can be seen that the embodiment of the present invention is by the sensed parameter for touch point, i.e. temperature value
And/or humidity value, actual location data and the reference location value of touch point are compared and obtain positioning correcting instruction reference
These actual location data are corrected by positioning correcting mapping table, and output can be with the second location number of touch point Corresponding matching
According to, so that user can be accurately positioned when motor touch point, offset the environment impact for touch point location data, reach contact
Location prepares easy to operate technique effect.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is a kind of touch input device location control method flow chart disclosed in the embodiment of the present invention；
Fig. 2 is that disclosed in further embodiment of this invention, a kind of touch input device location control method judges to generate school, location
Positive order flow chart；
Fig. 3 is a kind of touch input device location control method flow chart disclosed in further embodiment of this invention；
Fig. 4 is a kind of touch input device location control method flow chart disclosed in further embodiment of this invention；
Fig. 5 is a kind of touch input device location control method flow chart disclosed in further embodiment of this invention；
Fig. 6 is a kind of touch input device location control method flow chart disclosed in further embodiment of this invention；
Fig. 7 is a kind of touch input device location adjusting device structural representation disclosed in the embodiment of the present invention；
Fig. 8 is a kind of touch input device location adjusting device structural representation disclosed in further embodiment of this invention；
Fig. 9 is a kind of touch input device location adjusting device structural representation disclosed in further embodiment of this invention；
Figure 10 is a kind of touch input device location regulation system structure schematic diagram disclosed in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Touch input device is to receive the touch area on user's touch sensing panel, carries out instruction input, along with section
The development of skill and popularizing of electronic product, people use the occasion of touch input device to get more and more, as mainstream electronic product
Mobile phone, portable flat board, notebook computer, program control flat board and image capture device etc. all touch technology and capacitance plate are tied
Close, develop the electronic equipment of substantial amounts of capacitive touch screen.
The relatively common two kinds of touch screens of capacitive touch screen are single layer structure and double-decker, all make use of body current
The principle coupling electric capacity is produced, for the electric capacity C=K* ε of preferable plate condenser with screen conductor interlayer0* S/d, S are both
Between area, d is distance between the two, ε0For the dielectric constant (for constant, keep constant) of vacuum, K is between flat board
The relative dielectric constant of medium, vacuum is 1, and other material is both greater than 1.
Yet with electric capacity itself by the environmental effects such as temperature, humidity and Grounding such as winter is dried when,
Moisture between finger and capacitive touch screen screen is less, and relative dielectric constant K is less, and electric capacity is little；And wet environment K is big, electricity
Rong great.In addition relative dielectric constant with temperature relevant, variations in temperature also can affect the value of relative dielectric constant, for moisture come
Saying, temperature is the highest, and dielectric constant is the least, and electric capacity is the least.The above-mentioned coupling capacitance for capacitance plate is by the shadow of ambient parameter
Ring difference and there will be electric capacity poor stability, thus have influence on the accuracy of touch location, give and use capacitive touch screen electronics to set
Standby user causes operational inconvenience.
Inventor the embodiment of the invention discloses a kind of touch input in terms of for the location regulation of touch input device
Equipment location control method, device and system, to realize adjusting the location data of touch input device according to ambient parameter change
Joint, reaches the technique effect of accurate positioning.
It should be noted that also possess relevance grade for capacitance type touch-control panel, the such as equipment such as notebook computer touchpad, below
Embodiment will be described with capacitive touch screen operation for application scenarios:
Fig. 1 shows a kind of touch input device location control method, including:
Step 11: receiving the input signal for touch point, described input signal includes touch command and currently senses ginseng
Numerical value；
Described touch command can be clicking through or clicking operation instruction for certain icon or certain function items, or slides
Preset bar-shaped zone or the instruction etc. of stretching icon entrance interactive interface；Capacitive touch screen as used is single-touch screen
Then this input signal is a bit, and for multipoint mode capacitive touch screen, described input signal is then multiple, such as at target figure
The operation of the amplification that sheet local is carried out.
In the present embodiment, described current sensed parameter value includes: the current temperature value of described touch point correspondence position and/
Or humidity value.Described current sensed parameter value realizes adopting by being arranged at touch input device touch point effective coverage inner sensor
Collection, described temperature value and/or humidity value be acquired according to actual set and needs, or one of which or two kinds of parameters equal
Need to gather, such as the area relatively stable in humidity, then may be no longer necessary to be corrected by humidity value.
Step 12: calculate and generate the first location data corresponding with described current sensed parameter value；
Described first location data may particularly include: coupling capacitance and/or position data, these two classes data can individually be entered
Row correction after calibration unified output, and show as correct touch point response；
Defining for described position data can be that in this capacitive touch screen, summit, the lower left corner creates two dimension for (0,0)
X, Y coordinate system is determined, or with certain point for basic point obtain relative position coordinates, and can binding time gain of parameter with touch time
Between relevant coordinate data, such as (X, Y, T) etc., do not limit to.
Described first location data are that Practical Calculation draws the actual location data for this input signal, are likely to be due to
The impact of Current Temperatures and humidity value creates drift, such as preset when prelocalization reference value be that 50% is wet at 25 DEG C of temperature values
For location touch point under the conditions of angle value, to the touch point A point that coordinate is (3,4), the coupling capacitance produced during click is 30 μ
F, the evaluation of estimate in factors such as controller combination of touch control instructions is output as 1, can position the point of these (3,4), and reality is in temperature
It is 15 DEG C, and in the case of humidity value is 80%, institute's evaluation values is output as 0.5, namely the drift of touch point point position, according to institute
State current temperature value and/or humidity value, obtain the coupling capacitance of described current touch point with reference to coupling capacitance computing formula
It is 40 μ F；Obtaining coupling capacitance and touch point position mapping relations, the position data obtaining described current touch point is A(4,
5).
It should be noted that drawing of described position data is not limited to above-mentioned enumerate way of realization, can individually carry out
Detection and collection obtain.
Step 13: obtain preset when prelocalization reference value；
In order to make actual location data be corrected, need first to obtain under current temperature value and/or humidity value, it is possible to base
Originally coupling electric capacity reference value and the position data of A point it are accurately positioned, in order to carry out corrective action targetedly, when search is preset
Between under section internal standard temperature value and humidity value, demarcate the reference coupling capacitance of described touch point in the reference value table of location；
And according to coupling capacitance and touch point position mapping relations, capture the reference location data of current touch point, if
Current default temperature value for being demarcated as summer mode, i.e. preset when prelocalization reference value be standard temperature value be 25 DEG C,
Positioned for A point in the case of humidity value 50% when prelocalization reference value be: coupling capacitance=30 μ F, according to coupling capacitance
With touch point position mapping relations, the position data obtaining described current touch point is A(3,4).
Step 14: the most described first location data generate positioning correcting instruction with described location reference value；
See Fig. 2, when generating positioning correcting instruction；
Step 21: judge described first location data and when the difference of prelocalization reference value is whether in corrected threshold, as
Described difference exceeds described corrected threshold, then perform step 22, otherwise step 23；
Described first location data are corrected by step 22: generate positioning correcting instruction with reference to positioning correcting mapping table；
Step 23: be not corrected.
Described corrected threshold is the corrective action reference difference set in Preset Time, illustrates, in pattern in summer
Under, when coupling capacitance differs 5 more than μ F and/or position data difference 0.5 is then corrected, in this difference range, then may be used
It is not corrected, and under winter modes, when coupling capacitance differs 1 more than μ F and/or position data difference 0.1 i.e. carries out school
Just.
Step 15: respond the instruction of described positioning correcting and obtain positioning correcting mapping table, and map with reference to described positioning correcting
Described first location data are corrected by table, the second location data that output is mated with described touch point.
Described positioning correcting mapping table can embody in a table, it is possible to is incorporated in a table, this two class the most aforesaid
Data can individually be corrected and unified output after calibration, and shows as correct touch point response.
Fig. 3 shows a kind of touch input device location control method, including:
Step 31: receiving the input signal for touch point, described input signal includes touch command and currently senses ginseng
Numerical value；
Step 32: calculate and generate the first location data corresponding with described current sensed parameter value；
Step 33: obtain preset when prelocalization reference value；
Step 34: the most described first location data and described location reference value；
Step 35: judge described first location data and when the difference of prelocalization reference value is whether in corrected threshold, as
Described difference exceeds described corrected threshold, then perform step 36, otherwise step 37；
Described first location data are corrected by step 36: generate positioning correcting instruction with reference to positioning correcting mapping table；
In this embodiment, including:
Step 361: search for and extract described location reference value under preset time period internal standard temperature value and humidity value, pin
Correct ratio map listing to coupling capacitance；
Step 362: intercepting and capturing the coupling capacitance of current touch point, couple the difference institute of electric capacity reference value with when prelocalization right
Answer the correct ratio in correct ratio map listing, the coupling capacitance of described current touch point is corrected.
Accept above-mentioned illustration to illustrate, owing to arranging for the touch point of zones of different and different correction modes, school
Positive ratio is by different, and as the coupling capacitance=30 μ F of prelocalization reference value, position data is A(3, and 4), established standards
Temperature value is 25 DEG C, under the summer mode of humidity value 50%, under conditions of actual is 35 DEG C in temperature, and humidity value is 80%, by
The difference coupling electric capacity reference value in the coupling capacitance of front touch point with when prelocalization is 10 μ F, then this point (coupling capacitance=
40 μ F) can inquire in correct ratio map listing 10 μ F differences corresponding be 75% correct ratio, i.e. obtain exporting
Correction after second location data, specific to the present embodiment, then coupling capacitance is 30 μ F.
And the location reference value under pattern in the winter time, can be identical with humidity value with summer mode Plays temperature value, also
Can additionally set, if temperature value is 0 DEG C, under humidity value 30% winter mode, demarcate the described touch point in the reference value table of location
Reference coupling capacitance be 35 μ F, the correct ratio in correct ratio map listing is 85%, then obtain the correction that will export
After second location data, i.e. coupling capacitance be 34 μ F.
As under winter modes, still can not reach optimal coupling capacitance calibration result, then need to utilize described location
Correction instruction triggering startup auxiliary temperature compensating unit carries out current sensed parameter value, i.e. temperature value or humidity value and is adjusted,
To reach Best Coupling capacitance correction result.
Step 37: be not corrected, terminates process.
Fig. 4 shows a kind of touch input device location control method, including:
Step 41: receiving the input signal for touch point, described input signal includes touch command and currently senses ginseng
Numerical value；
Step 42: calculate and generate the first location data corresponding with described current sensed parameter value；
Step 43: obtain preset when prelocalization reference value；
Step 44: the most described first location data and described location reference value；
Step 45: judge described first location data and when the difference of prelocalization reference value is whether in corrected threshold, as
Described difference exceeds described corrected threshold, then perform step 46, otherwise step 47；
Described first location data are corrected by step 46: generate positioning correcting instruction with reference to positioning correcting mapping table；
In this embodiment:
Step 461: search for and extract described location reference value under preset time period internal standard temperature value and humidity value, pin
To current touch point position data correct ratio map listing；
Step 462: intercept and capture corresponding to the position data of current touch point and the difference of current location position data reference value
Correct ratio in correct ratio map listing, is corrected the position data of described current touch point.
Illustrating: the location reference value (position data is A(3,4) being currently under summer mode) standard temperature value is
25 DEG C, the situation of humidity value 50%, in the case of actual is 15 DEG C in temperature, and humidity value is 80%, then this point can be in correct ratio
In map listing, the position data searching for and extracting current touch point with the difference with current location position data reference value is
(1,1), this correct ratio can correlate mutually with the correct ratio of coupling capacitance, or directly utilizes coupling electric capacity and location data
Mapping relations obtain, it is possible to individually set, in the present embodiment, according at preset time period internal standard temperature value and humidity value
Under (reference temperature value is 25 DEG C, the situation of humidity value 50%), the correct ratio map listing of this Y-axis is corrected, i.e. obtain by
The second location data after the correction of output, specific to the present embodiment, inquire vertical coordinate difference be 1 for position data
The correct ratio of 80% then position data is A(3,4), such correct ratio, it may be determined that the position of touch point, offset big portion
The impact of the environmental factors divided；
And the location reference value (position data is A(2.9,3.9) under pattern in the winter time) reference temperature value is 0 DEG C, humidity
The situation of value 30%, the correct ratio in correct ratio map listing is 78%, then obtain second after the correction that will export fixed
Bit data, i.e. coupling capacitance are A(3.12 for then position data, 3.9), such correct ratio, can substantially determine touch-control
The position of point, thus offset the impact of most environmental factors.
Step 47: be not corrected, terminates process.
Fig. 5 shows a kind of touch input device location control method, including:
The method step of this embodiment logins the touch command of location regulation client mainly for receiving, and described location is adjusted
Joint client can be for current correction mode, such as summer mode, winter mode, damp mode, drying mode be adjusted and
Select, and can be set when prelocalization reference value voluntarily, to meet the location requirement under the conditions of varying environment.
Step 51: receiving the touch command logining location regulation client, in the present embodiment, described touch command is pin
Location regulating command to specified point position；
Location regulation client provides the user and logs in interface, and accepts user's asking for capacitance present formula touch screen
Asking, the way of realization of this request i.e. receives user and clicks on the request of operation " position correction " function, and position correction can be for whole
Capacitive touch screen is carried out, it is also possible to the region divided according to client is carried out, and the mode of described zoning can be nine lattice,
The form that 16 lattice or 25 lattice etc. more refine, location regulating command is designated as clicking on lattice inner region and sends.
Step 52: respond the regulating command of described location and obtain positioning correcting mapping table；
Step 53: the position data of described specified point position is corrected with reference to described positioning correcting mapping table, output with
The position data of described specified point position coupling.
In this embodiment, the input signal of described touch point includes location regulating command, and this instruction will be directly to finger
Fixed point position position data is corrected, and trimming process will be still using current sensed parameter value as reference, and extracts preset time period
Internal standard temperature value is with under humidity value, and the position data demarcating the described touch point in the reference value table of location is carried out, correction tool
Body step sees Fig. 4 diagram and corresponding explanation is carried out.
Fig. 6 shows the update method of corrected threshold in the control method of a kind of touch input device location, particularly as follows:
Step 61: reception is logined the user of location regulation client and set request, and described user sets request and includes newly
Corrected threshold；
Step 62: respond described user and set request and utilize described new corrected threshold to replace old corrected threshold.
The renewal of described corrected threshold is the sensitivity correction embodiment during regulating for location, for summer temperature
Higher, that humidity is bigger situation, optional reduction sensitivity；Low for winter temperature, that humidity is little situation, optional increase spirit
Sensitivity, i.e. under summer pattern, when coupling capacitance differs 5 more than μ F and/or position data difference 0.5 is then corrected,
In this difference range, then can not be corrected, and under winter modes, when coupling capacitance differs 1 more than μ F and/or position
Data difference 0.1 is i.e. corrected.
Fig. 7 shows a kind of touch input device location adjusting device, including:
Receiving unit 71, for receiving the input signal for touch point, described input signal includes touch command and works as
Front sensed parameter value；
Described current sensed parameter value realizes adopting by being arranged at touch input device touch point effective coverage inner sensor
Collection, described temperature value and/or humidity value are acquired according to actual set and needs, or one of which or two kinds of parameters are both needed to
Gather, such as the area relatively stable in humidity, then may be no longer necessary to be corrected by humidity value.
First location data generating unit 72, generates first location corresponding with described current sensed parameter value for calculating
Data；
When prelocalization reference value acquiring unit 73, default when prelocalization reference value for obtaining；
Implement:
Search preset time period internal standard temperature value, with under humidity value, demarcates the described touch point in the reference value table of location
Reference coupling capacitance；
And according to coupling capacitance and touch point position mapping relations, capture the reference location data of current touch point.
Positioning correcting instruction signal generating unit 74, it is fixed to generate for the most described first location data and described location reference value
Bit correction instructs；
Correction unit 75, is used for responding the instruction of described positioning correcting and obtains positioning correcting mapping table, and with reference to described location
Described first location data are corrected by correction maps table, the second location data that output is mated with described touch point.
Implement:
Search for and extract described location reference value under preset time period internal standard temperature value and humidity value, for coupling electricity
The correct ratio map listing of capacitance；
Intercept and capture the coupling capacitance of current touch point and couple correction ratio corresponding to the difference of electric capacity reference value with when prelocalization
Correct ratio in rate map listing, is corrected the coupling capacitance of described current touch point.
Search for and extract described location reference value under preset time period internal standard temperature value and humidity value, touch for current
Control point position data correct ratio map listing；
Intercept and capture correct ratio corresponding to the position data of current touch point and the difference of current location position data reference value
Correct ratio in map listing, is corrected the position data of described current touch point.
Described location adjusting device can pass through hardware or the form of software and hardware combining, is embedded into or connected to touch input device
In, it is also possible to it is connected with touch input device with the form of separate part, does not limit to.
The trimming process of described coupling capacitance can individually be corrected with the correction of position data and unify after calibration
Output, and show as correct touch point response, it is possible to participate in calculating output together with other parameters fixed for touch point simultaneously
The evaluation of estimate of position.
Fig. 8 shows another touch input device location adjusting device, and same parts is not repeated diagram and labelling, only
Difference is illustrated:
Described first location data generating unit 72 includes:
Coupling capacitance signal generating unit 721, for according to described current temperature value and/or humidity value, with reference to coupling electric capacity
Value computing formula obtains the coupling capacitance of described current touch point；
Position data signal generating unit 722, is used for obtaining coupling capacitance and touch point position mapping relations, obtains described working as
The position data of front touch point.
Fig. 8 shows identifying unit 81, for judging that described first location data with when the difference of prelocalization reference value are
No in corrected threshold, corrected threshold as described in described difference exceeds, then it is fixed to be generated by described positioning correcting instruction signal generating unit
Bit correction instructs, and is corrected described first location data with reference to positioning correcting mapping table；It is not corrected, described school
Positive threshold value is the corrective action reference difference set in Preset Time.
Fig. 9 shows another touch input device location adjusting device, and same parts is not repeated diagram and labelling, only
Difference is illustrated: Fig. 9 shows
Location regulation client-side interface 91, for receiving the touch command logining described location regulation client.
Location regulating command response unit 92, is used for responding the regulating command of described location, and by the regulating command of described location
Send to described correction unit, described correction unit obtain positioning correcting mapping table, and with reference to described positioning correcting mapping table
The position data of described specified point position is corrected, the position data that output is mated with described specified point position.
Corrected threshold updating block 93, for setting request according to the user regulating client by logining location, described
User sets request and includes new corrected threshold；
Respond described user set request and utilize described new corrected threshold to replace old corrected threshold.
It should be understood that
Auxiliary temperature compensating unit 94, for carrying out described first location data with reference to described positioning correcting mapping table
Timing, receives described positioning correcting instruction triggers and starts auxiliary temperature compensating unit and carry out current sensed parameter value complement and repay.
For system embodiment, owing to it essentially corresponds to embodiment of the method, so describing fairly simple, relevant
Part sees the part of embodiment of the method and illustrates.Device embodiment described above is only schematically, Qi Zhongsuo
Stating the unit illustrated as separating component can be or may not be physically separate, the parts shown as unit can
To be or to may not be physical location, i.e. may be located at a place, or can also be distributed on multiple NE.
Some or all of module therein can be selected according to the actual needs to realize the purpose of the present embodiment scheme.This area is general
Logical technical staff, in the case of not paying creative work, is i.e. appreciated that and implements.
Figure 10 shows a kind of touch input device, the location adjusting device 1001 illustrated including Fig. 7-9, shows in figure
The touch pad face 1002 of this touch input device, described touch pad face can be display screen, at user's defeated for touch point of input
After entering signal, after described location adjusting device 1001 carries out location regulation according to touch input device location control method, described
The response action corresponding with touch command will be made in touch pad face, can be to open interactive interface, and icon clicks through, and character is defeated
Entering, picture shows.
In sum:
The embodiment of the present invention is by the sensed parameter for touch point, i.e. temperature value and/or humidity value, by the reality of touch point
Location data and reference location value compare and obtain positioning correcting instruction reference location correction maps table, to this actual location
Data are corrected, and output can be with the second location data of touch point Corresponding matching, so that user can when motor touch point
It is accurately positioned, offsets the environment impact for touch point location data, reach location, contact and prepare easy to operate technique effect.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment, identical similar portion sees mutually.For device disclosed in embodiment
Or for equipment, owing to it corresponds to the method disclosed in Example, so describe is fairly simple, relevant part sees method
Part illustrates.
Professional further appreciates that, in conjunction with the unit of each example that the embodiments described herein describes
And algorithm steps, it is possible to electronic hardware, computer software or the two be implemented in combination in, in order to clearly demonstrate hardware and
The interchangeability of software, the most generally describes composition and the step of each example according to function.These
Function performs with hardware or software mode actually, depends on application-specific and the design constraint of technical scheme.Specialty
Technical staff specifically should can be used for using different methods to realize described function to each, but this realization should not
Think beyond the scope of this invention.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple amendment to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can realize in the case of without departing from the spirit or scope of the embodiment of the present invention in other embodiments.Therefore,
The embodiment of the present invention is not intended to be limited to the embodiments shown herein, and be to fit to principles disclosed herein and
The widest scope that features of novelty is consistent.
Claims (20)
1. a touch input device location control method, it is characterised in that including:
Receiving the input signal for touch point, described input signal includes touch command and current sensed parameter value；
Calculate and generate the first location data corresponding with described current sensed parameter value；
Obtain preset when prelocalization reference value；
The most described first location data generate positioning correcting instruction with described location reference value；
Respond the instruction of described positioning correcting and obtain positioning correcting mapping table, and with reference to described positioning correcting mapping table to described first
Location data are corrected, the second location data that output is mated with described touch point；
Wherein, described current sensed parameter value includes: the current temperature value of described touch point correspondence position and/or humidity value.
Position control method the most as claimed in claim 1, it is characterised in that including: described first location data include currently
The coupling capacitance of touch point and/or position data, it is fixed that described calculating generates first corresponding with described current sensed parameter value
Bit data particularly as follows:
According to described current temperature value and/or humidity value, obtain described current touch point with reference to coupling capacitance computing formula
Coupling capacitance；
Obtain coupling capacitance and touch point position mapping relations, obtain the position data of described current touch point.
Position control method the most as claimed in claim 1, it is characterised in that described acquisition preset when prelocalization reference value,
Particularly as follows:
Search preset time period internal standard temperature value, with under humidity value, is demarcated in the ginseng of the described touch point positioned in reference value table
Examine coupling capacitance；
And according to coupling capacitance and touch point position mapping relations, capture the reference location data of current touch point.
Position control method the most as claimed in claim 1, it is characterised in that also include:
Judge described first location data and when the difference of prelocalization reference value is whether in corrected threshold, as described difference exceeds
Described corrected threshold, then generate positioning correcting instruction, is corrected described first location data with reference to positioning correcting mapping table；
Not being corrected, described corrected threshold is the corrective action reference difference set in Preset Time.
Position control method the most as claimed in claim 1, it is characterised in that respond the instruction of described positioning correcting and obtain school, location
Positive mapping table, and be corrected including to described first location data with reference to described positioning correcting mapping table:
Search for and extract described location reference value under preset time period internal standard temperature value and humidity value, for coupling capacitance
Correct ratio map listing；
Intercept and capture the coupling capacitance of current touch point to couple correct ratio corresponding to the difference of electric capacity reference value with when prelocalization and reflect
Penetrate the correct ratio in list, the coupling capacitance of described current touch point is corrected.
Position control method the most as claimed in claim 5, it is characterised in that respond the instruction of described positioning correcting and obtain school, location
Positive mapping table, and be corrected including to described first location data with reference to described positioning correcting mapping table:
Search for and extract described location reference value under preset time period internal standard temperature value and humidity value, for current touch point
Position data correct ratio map listing；
Intercept and capture correct ratio corresponding to the position data of current touch point and the difference of current location position data reference value to map
Correct ratio in list, is corrected the position data of described current touch point.
Position control method the most as claimed in claim 1, it is characterised in that described reception is in the input signal of touch point
Touch command specially login location regulation client touch command.
Position control method the most as claimed in claim 7, it is characterised in that when described touch command is for specified point position
During the regulating command of location:
Respond the regulating command of described location and obtain positioning correcting mapping table, and with reference to described positioning correcting mapping table to described appointment
The position data of some position is corrected, the position data that output is mated with described specified point position.
Position control method the most as claimed in claim 7, it is characterised in that before receiving touch point input signal, also include:
User according to regulating client by logining location sets request, and described user sets request and includes newly correcting threshold
Value；
Respond described user set request and utilize described new corrected threshold to replace old corrected threshold.
Position control method the most as claimed in claim 1, it is characterised in that also include: mapping with reference to described positioning correcting
When described first location data are corrected by table, utilize described positioning correcting instruction triggers to start auxiliary temperature compensating unit and enter
Before the trade, sensed parameter value complement is repaid.
11. 1 kinds of touch input device location adjusting devices, it is characterised in that including:
Receiving unit, for receiving the input signal for touch point, described input signal includes touch command and current sensing
Parameter value；
First location data generating unit, generates the first location data corresponding with described current sensed parameter value for calculating；
When prelocalization reference value acquiring unit, default when prelocalization reference value for obtaining；
Positioning correcting instruction signal generating unit, generates positioning correcting for the most described first location data with described location reference value
Instruction；
Correction unit, is used for responding the instruction of described positioning correcting and obtains positioning correcting mapping table, and reflect with reference to described positioning correcting
Described first location data are corrected by firing table, the second location data that output is mated with described touch point；
Wherein, described current sensed parameter value includes: the current temperature value of described touch point correspondence position and/or humidity value.
12. location adjusting devices as claimed in claim 11, it is characterised in that including: described first location data include working as
The coupling capacitance of front touch point and/or position data, the first location data generating unit includes:
Coupling capacitance signal generating unit, for according to described current temperature value and/or humidity value, calculating public affairs with reference to coupling capacitance
Formula obtains the coupling capacitance of described current touch point；
Position data signal generating unit, is used for obtaining coupling capacitance and touch point position mapping relations, obtains described current touch-control
The position data of point.
13. location adjusting devices as claimed in claim 11, it is characterised in that when prelocalization reference value acquiring unit is specifically real
Existing:
Search preset time period internal standard temperature value, with under humidity value, is demarcated in the ginseng of the described touch point positioned in reference value table
Examine coupling capacitance；
And according to coupling capacitance and touch point position mapping relations, capture the reference location data of current touch point.
14. location adjusting devices as claimed in claim 11, it is characterised in that also include:
Identifying unit, for judging described first location data and when the difference of prelocalization reference value is whether in corrected threshold,
Corrected threshold as described in described difference exceeds, then generated positioning correcting instruction, reference by described positioning correcting instruction signal generating unit
Described first location data are corrected by positioning correcting mapping table；Not being corrected, described corrected threshold is to preset
The corrective action reference difference set in time.
15. location adjusting devices as claimed in claim 11, it is characterised in that correction unit implements:
Search for and extract described location reference value under preset time period internal standard temperature value and humidity value, for coupling capacitance
Correct ratio map listing；
Intercept and capture the coupling capacitance of current touch point to couple correct ratio corresponding to the difference of electric capacity reference value with when prelocalization and reflect
Penetrate the correct ratio in list, the coupling capacitance of described current touch point is corrected；
Search for and extract described location reference value under preset time period internal standard temperature value and humidity value, for current touch point
Position data correct ratio map listing；
Intercept and capture correct ratio corresponding to the position data of current touch point and the difference of current location position data reference value to map
Correct ratio in list, is corrected the position data of described current touch point.
16. location adjusting devices as claimed in claim 11, it is characterised in that also include: location regulation client-side interface, use
In receiving the touch command logining described location adjusting device.
17. location adjusting devices as claimed in claim 11, it is characterised in that also include: location regulating command response unit:
For responding location regulating command, and the regulating command of described location is sent to described correction unit, single by described correction
Unit obtains positioning correcting mapping table, and is corrected the position data of specified point position with reference to described positioning correcting mapping table, defeated
Go out the position data mated with described specified point position.
18. location adjusting devices as claimed in claim 11, it is characterised in that also include: corrected threshold updating block, be used for
User according to regulating client by logining location sets request, and described user sets request and includes new corrected threshold；
Respond described user set request and utilize described new corrected threshold to replace old corrected threshold.
19. location adjusting devices as claimed in claim 1, it is characterised in that also include: auxiliary temperature compensating unit, be used for
When described first location data being corrected with reference to described positioning correcting mapping table, receive described positioning correcting instruction triggers
Startup auxiliary temperature compensating unit carries out current sensed parameter value complement and repays.
20. 1 kinds of touch input devices, it is characterised in that include the location described in claim 11-19 any bar claim
Adjusting means.
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| JP2015194948A (en) * | 2014-03-31 | 2015-11-05 | ソニー株式会社 | Information processor, input device, information processing method and program |
| CN106293278A (en) * | 2015-05-19 | 2017-01-04 | 小米科技有限责任公司 | The report point of capacitive touch screen determines method and device |
| KR101709152B1 (en) * | 2015-05-29 | 2017-02-22 | 주식회사 하이딥 | Sensitivity compensation method of touch input device being capable of touch pressure sensing and computer readable recording medium |
| CN105630227B (en) * | 2015-09-30 | 2018-09-07 | 宇龙计算机通信科技(深圳)有限公司 | A kind of method of adjustment and system of sensitivity of touch screen |
| CN105549701B (en) * | 2015-12-09 | 2019-05-14 | Oppo广东移动通信有限公司 | Temperature-compensation method, device and mobile terminal for mobile terminal |
| CN105807998B (en) * | 2016-03-09 | 2019-01-25 | 周奇 | Capacitance touch screen bearing calibration and device |
| CN109117014B (en) * | 2017-06-26 | 2022-05-10 | 敦泰电子有限公司 | Pressure correction method and system for capacitive pressure sensing panel |
| TWI620113B (en) * | 2017-11-10 | 2018-04-01 | Chipone Technology Beijing Co Ltd | Touch sensing method and capacitive touch display device |
| CN111124178B (en) * | 2019-12-18 | 2023-04-07 | 集创北方(深圳)科技有限公司 | Touch screen initial value setting method, touch screen, display device and electronic equipment |
| CN112415604B (en) * | 2021-01-22 | 2021-06-18 | 深圳市汇顶科技股份有限公司 | Detection circuit, chip and related electronic device |
| CN112860105B (en) * | 2021-01-28 | 2022-12-30 | 维沃移动通信有限公司 | Touch position determination method and device, electronic equipment and readable storage medium |
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