CN107122089A - For the touch operation determination methods and device in capacitance touching control product - Google Patents
For the touch operation determination methods and device in capacitance touching control product Download PDFInfo
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- CN107122089A CN107122089A CN201710328753.9A CN201710328753A CN107122089A CN 107122089 A CN107122089 A CN 107122089A CN 201710328753 A CN201710328753 A CN 201710328753A CN 107122089 A CN107122089 A CN 107122089A
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- 238000000034 method Methods 0.000 title claims abstract description 66
- 230000004044 response Effects 0.000 claims abstract description 53
- 238000013461 design Methods 0.000 claims description 18
- 238000012545 processing Methods 0.000 claims description 9
- 239000000047 product Substances 0.000 description 89
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- 230000008569 process Effects 0.000 description 10
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- 238000001514 detection method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
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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
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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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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Abstract
The invention discloses a kind of touch operation determination methods being used in capacitance touching control product and device, belong to technical field of touch control.Including：When the touch controlled key surface is deformed upon, judge whether the deformation quantity on the touch controlled key surface is more than the deformation threshold value, wherein, current time volume of the deformation threshold value based on the touch-control product is determined；When the deformation quantity on the touch controlled key surface is not more than the deformation threshold value, touch control operation is not responding to, otherwise, touch control operation is responded.Deformation caused by deformation that the present invention can be produced to the touch operation of user and vibration interference makes a distinction, and improves the anti-interference and accuracy of touch-control response method.This method is used to respond touch control operation.
Description
Technical field
The present invention relates to technical field of touch control, more particularly to a kind of touch operation being used in capacitance touching control product judges
Method and device.
Background technology
With the development of science and technology, touch-control product is used in daily life more and more, meanwhile, people
Concern to the touch control operation response of touch-control product is also more and more.
In the prior art, capacitance touching control product includes on-chip system (English：System on Chip；Abbreviation：
SoC), touch chip and touch controlled key, when there is touch operation on touch controlled key, a certain degree of shape can occur for touch controlled key
Become, and then the capacitance of touch controlled key is changed, touch chip can be by the change of the capacitance in the way of electric signal
On-chip system is sent to, on-chip system sends corresponding control signal further according to the electric signal to touch chip, to control touch-control
Chip is responded to touch control operation.
But, when the interference vibrated of capacitance touching control product, touch controlled key can also be deformed upon, due to existing touch-control
The touch control operation on touch controlled key surface is not judged in response method, deformation caused by vibration interference also can be considered as to use
Caused by the touch control operation at family, and then touch chip can be responded in deformation generation according to caused by the vibration interference, then be rung
Mistake is answered, for example, when the volume of capacitance touching control product changes suddenly, capacitance touching control product can produce vibration, after
And there is response mistake.Therefore, the anti-interference of existing touch-control response method is poor, and accuracy is relatively low.
The content of the invention
In order to solve in existing touch-control response method due to exist in touch-control product the sound interference of loudspeaker, outside machine it is different
The factors such as normal vibration, caused touch-control responds the problem of accuracy is relatively low, is used for condenser type the embodiments of the invention provide one kind
Touch operation determination methods and device in touch-control product.The technical scheme is as follows：
First aspect there is provided it is a kind of be used for capacitance touching control product in touch operation determination methods, including：
When the touch controlled key surface is deformed upon, judge the deformation quantity on the touch controlled key surface whether more than described
Deformation threshold value, wherein, current time volume of the deformation threshold value based on the touch-control product is determined；
When the deformation quantity on the touch controlled key surface is not more than the deformation threshold value, touch control operation is not responding to, otherwise, is rung
Answer touch control operation.
Alternatively, whether the deformation quantity for judging the touch controlled key surface is more than the deformation threshold value, including：
The deformation quantity of the deformation quantity and the adjacent area of the touch controlled key on the touch controlled key surface is compared；
When the deformation quantity on the touch controlled key surface is more than threshold value with the difference of the deformation quantity of the adjacent area, by institute
The deformation quantity and the deformation threshold value for stating touch controlled key surface are compared.
Alternatively, current time volume of the deformation threshold value based on the touch-control product is determined, is specifically included：
The current time volume of the touch-control product is obtained, and determines the deformation quantity caused by the current time volume；
Additional deformation amount is determined, it is corresponding that the additional deformation amount includes the corresponding deformation quantity of sound carrier power, audio pattern
At least one of corresponding deformation quantity of design error of deformation quantity and touch controlled key；
Deformation quantity and the additional deformation amount according to caused by the current time volume, determine the deformation threshold
Value.
Alternatively, the deformation quantity according to caused by the current time volume and the additional deformation amount, it is determined that
The deformation threshold value, including：
It is determined that for reflecting deformation coefficient of the touch controlled key to the susceptibility of volume；
Determine the product of the deformation coefficient and the deformation quantity caused by the current time volume；
By the product and the additional deformation amount and value be defined as the deformation threshold value.
Alternatively, the adjacent area be two, two adjacent areas along assigned direction be arranged in the touch-control by
The both sides of key, the shape of each adjacent area and the shape congruence of the touch controlled key.
Alternatively, the clearance distance between the adjacent area and the touch controlled key is more than the width of the touch controlled key
Twice, the width of the touch controlled key is the full-size of the touch controlled key in the direction indicated.
Second aspect there is provided it is a kind of be used for capacitance touching control product in touch operation determination methods, including：
When the touch controlled key surface is deformed upon, by the deformation quantity on the touch controlled key surface and the touch controlled key
The deformation quantity of adjacent area be compared；
When the difference of the deformation quantity and the deformation quantity of the adjacent area on the touch controlled key surface is not more than threshold value, no
Touch control operation is responded, otherwise, touch control operation is responded.
The third aspect there is provided it is a kind of be used for capacitance touching control product in touch operation judgment means, including：
Judge module, for when the touch controlled key surface is deformed upon, judging the deformation on the touch controlled key surface
Whether amount is more than the deformation threshold value, wherein, current time volume of the deformation threshold value based on the touch-control product is determined；
Processing module, for when the deformation quantity on the touch controlled key surface is not more than the deformation threshold value, being not responding to touch
Control operation, otherwise, responds touch control operation.
Alternatively, the judge module, including：
First comparison sub-module, for by the adjacent area of the deformation quantity on the touch controlled key surface and the touch controlled key
Deformation quantity be compared；
Second comparison sub-module, for the deformation quantity when the touch controlled key surface and the deformation quantity of the adjacent area
When difference is more than threshold value, the deformation quantity on the touch controlled key surface is compared with the deformation threshold value.
Fourth aspect there is provided it is a kind of be used for capacitance touching control product in touch operation judgment means, including：
Comparison module, for when the touch controlled key surface is deformed upon, by the deformation quantity on the touch controlled key surface
It is compared with the deformation quantity of the adjacent area of the touch controlled key；
Processing module, the difference for the deformation quantity when the touch controlled key surface and the deformation quantity of the adjacent area is not
During more than threshold value, touch control operation is not responding to, otherwise, touch control operation is responded.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
The touch operation determination methods provided in an embodiment of the present invention being used in capacitance touching control product and device, work as touch-control
When keytop is deformed upon, by judging whether the deformation quantity on touch controlled key surface is more than deformation threshold value, and in touch controlled key
When the deformation quantity on surface is not more than deformation threshold value, be not responding to touch control operation, the deformation that the touch operation of user can be produced and
Deformation is made a distinction caused by vibration interference, and the deformation that touch controlled key surface occurs by vibration interference is avoided to a certain extent
Response is produced, the probability for response mistake occur is reduced, improves the anti-interference and accuracy of touch-control response method.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is a kind of stream of touch operation determination methods being used in capacitance touching control product provided in an embodiment of the present invention
Cheng Tu；
Fig. 2 is another touch operation determination methods being used in capacitance touching control product provided in an embodiment of the present invention
Flow chart；
Fig. 3 be it is provided in an embodiment of the present invention another be used for capacitance touching control product in touch operation determination methods
Flow chart；
Fig. 4 is a kind of schematic diagram of TV for being provided with touch controlled key provided in an embodiment of the present invention；
Fig. 5-1 is the schematic diagram of the deformation quantity of a kind of touch controlled key 0 provided in an embodiment of the present invention and touch controlled key 1；
Fig. 5-2 is the schematic diagram of the deformation quantity of another touch controlled key 0 provided in an embodiment of the present invention and touch controlled key 1；
Fig. 6 is that a kind of current time volume based on the touch-control product provided in an embodiment of the present invention determines deformation threshold value
Method flow diagram；
Fig. 7-1 is the partial cut enlarged drawing of touch controlled key 1 in Fig. 4；
Fig. 7-2 is a kind of deformation quantity according to caused by current time volume provided in an embodiment of the present invention and additional shape
Variable determines the method flow diagram of deformation threshold value；
Fig. 8-1 is a kind of touch operation judgment means being used in capacitance touching control product provided in an embodiment of the present invention
Structural representation；
Fig. 8-2 is a kind of structural representation of judge module provided in an embodiment of the present invention；
Fig. 8-3 is another touch operation judgment means being used in capacitance touching control product provided in an embodiment of the present invention
Structural representation；
Fig. 9 be it is provided in an embodiment of the present invention another be used for capacitance touching control product in touch operation judgment means
Structural representation.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
The embodiments of the invention provide a kind of touch operation determination methods being used in capacitance touching control product, such as Fig. 1 institutes
Show, this method can include：
Step 101, when touch controlled key surface is deformed upon, judge touch controlled key surface deformation quantity whether be more than deformation
Threshold value.
Wherein, current time volume of the deformation threshold value based on touch-control product is determined.
Step 102, when the deformation quantity on touch controlled key surface is not more than deformation threshold value, be not responding to touch control operation, otherwise, ring
Answer touch control operation.
It should be noted that capacitance touching control product to touch control operation when responding, it is according to touch controlled key surface
Capacitance variation responded, still, the capacitance variation on touch controlled key surface is by the deformation quantity on touch controlled key surface
Come what is showed, therefore, the essence for judging whether to touch-control response is mainly and judges whether touch controlled key surface there occurs deformation,
Also, when the deformation quantity on touch controlled key surface is not more than deformation threshold value, it is believed that the deformation be as caused by vibration interference,
The generation of response mistake can be avoided by forbidding carrying out it touch-control response, to shield shadow of the vibration interference to touch-control response method
Ring, and then improve the anti-interference of touch-control response method.
In summary, the touch operation determination methods provided in an embodiment of the present invention being used in capacitance touching control product, when
When touch controlled key surface is deformed upon, by judging whether the deformation quantity on touch controlled key surface is more than deformation threshold value, and in touch-control
When the deformation quantity of keytop is not more than deformation threshold value, touch control operation is not responding to, the shape that can be produced to the touch operation of user
Become and deformation caused by vibration interference makes a distinction, avoid what touch controlled key surface occurred by vibration interference to a certain extent
Deformation produces response, reduces the probability for response mistake occur, improves the anti-interference and accuracy of touch-control response method.
Fig. 2 is another touch operation determination methods being used in capacitance touching control product provided in an embodiment of the present invention,
As shown in Fig. 2 this method can include：
Step 201, when touch controlled key surface is deformed upon, by the phase of the deformation quantity on touch controlled key surface and touch controlled key
The deformation quantity in neighbouring region is compared.
Step 202, when the deformation quantity on touch controlled key surface and the difference of deformation quantity of adjacent area are not more than threshold value, no
Touch control operation is responded, otherwise, touch control operation is responded.
In summary, the touch operation determination methods provided in an embodiment of the present invention being used in capacitance touching control product, when
When touch controlled key surface is deformed upon, by by the deformation quantity of the deformation quantity on touch controlled key surface and the adjacent area of touch controlled key
It is compared, and when the deformation quantity on touch controlled key surface and the difference of deformation quantity of adjacent area are not more than threshold value, is not responding to
Touch control operation, deformation caused by the deformation that can be produced to the touch operation of user and vibration interference makes a distinction, in certain journey
Avoided on degree to touch controlled key surface because the deformation that vibration interference occurs produces response, reduce the probability for response mistake occur,
Improve the anti-interference and accuracy of touch-control response method.
Fig. 3 be it is provided in an embodiment of the present invention another be used for capacitance touching control product in touch operation determination methods,
This method can apply to be capable of tactile applied to being provided with this way in the capacitance touching control product of sounding, the embodiment of the present invention
The implementation process of this method is illustrated exemplified by the TV of control button, when this method is applied to other capacitance touching control products
(for example：Some medical display products or other commercializations show product etc.) when, realization of this method in touch-control product can be corresponding
With reference to the process realized on TV, as shown in figure 3, this method can include：
Whether step 301, detection touch controlled key surface deform upon.
The realization that touch-control is acted in capacitance touching control product, dependent on on-chip system, touch-control core in capacitance touching control product
Cooperation between piece and touch controlled key, wherein, touch chip works as detection to detect whether touch controlled key surface there occurs deformation
When there occurs deformation to touch controlled key surface, touch chip as electronic signals feeds back to the situation on on-chip system, piece
System judges whether to need to carry out touch-control response to the deformation according to the electric signal received, when needs carry out touch-control to the deformation
During response, on-chip system sends corresponding control signal to touch chip, to control touch chip to respond the deformation.Its
In, the method whether touch chip detection touch controlled key surface deforms upon can be the common methods such as optical interferometry, the present invention
Embodiment is not specifically limited to it.
When detecting touch controlled key surface and deforming upon, it is necessary to further be judged according to the deformation, so as to true
It is fixed whether the deformation to be responded, that is, step 302 is performed, when detecting touch controlled key surface and not deforming upon, illustrates tactile
Controlling on button does not have touch control operation generation, without carrying out touch-control response, then tenth skill, or, persistently detect touch controlled key table
Whether face deforms upon, and is deformed upon until detecting touch controlled key surface.
Step 302, when touch controlled key surface is deformed upon, by the phase of the deformation quantity on touch controlled key surface and touch controlled key
The deformation quantity in neighbouring region is compared.
Wherein, adjacent area can be other touch controlled keys adjacent with touch controlled key, or with touch controlled key phase
The adjacent region without keypress function, can also be simultaneously for other touch controlled keys adjacent with touch controlled key and without button
The region of function.The adjacent area can have two, and two adjacent areas are arranged in the both sides of touch controlled key along assigned direction,
The shape of each adjacent area and the shape congruence of touch controlled key, and each gap between adjacent area and touch controlled key away from
From twice of the width more than touch controlled key, the width of touch controlled key is the full-size of touch controlled key in the direction indicated.This refers to
It can be horizontal direction to determine direction, or vertical direction, or, the assigned direction is pre- when can also be for production touch controlled key
If other directions, the embodiment of the present invention is not specifically limited to it.Illustratively, Fig. 4 is the TV for being provided with touch controlled key 1
Schematic diagram, as shown in figure 4, the both sides of touch controlled key 1 are respectively arranged a touch controlled key 0, and touch controlled key 0 and touch controlled key 1 are big
Small identical, the gap between touch controlled key 0 and touch controlled key 1 is equal to the diameter of touch controlled key 1, that is to say, in Fig. 4 adjacent region
Domain is two touch controlled keys 0 adjacent with touch controlled key 1, and two touch controlled keys 0 are arranged in touch controlled key 1 in the horizontal direction
Both sides.
Generally, due to loudspeaker is positioned only at some positions of touch-control product, and therefore, volume, sound carrier power, audio mould
The disturbing factor such as formula and design error can only have influence on the local small range of touch-control product, for example：Single touch-control can only be had influence on
Button, or single button and its surrounding small area region, deform upon its surface.But, in the reality of touch-control product
During use, touch-control product is not only influenceed by disturbing factors such as volume, sound carrier power, audio pattern and design errors,
Also influenceed by other disturbing factors, other disturbing factors can influence in a wide range of interior produced on touch-control product, make it
Deform upon, and the amplitude of deformation is almost identical.For example：Rocking for desk can cause touch-control product integrally to vibrate, and cause
The many places of touch-control product are even overall to be deformed upon, and the amplitude that many places place is deformed upon is identical.Therefore, by touch-control
, can be first by the deformation quantity and touch controlled key on touch controlled key surface before the deformation quantity of keytop is compared with deformation threshold value
The deformation quantity of adjacent area be compared, tentatively to exclude influence of other disturbing factors to touch controlled key.
Specifically, when the deformation quantity of the deformation quantity on touch controlled key surface and the adjacent area of touch controlled key is compared,
If the difference of the deformation quantity of the deformation quantity on touch controlled key surface and the adjacent area of touch controlled key is more than preset difference value, can be true
The deformation for determining touch controlled key surface is not as caused by other disturbing factors, now again by the deformation quantity and shape on touch controlled key surface
Become threshold value be compared, with judge touch controlled key surface deformation whether be by volume, sound carrier power, audio pattern and touch-control by
Caused by least one of design error of key, that is, step 303 and step 304 are performed, for example, refer to Fig. 5-1, touch-control is pressed
What the height of key 0 and the camber line of the top of touch controlled key 1 was represented respectively is the deformation that touch controlled key 0 and the surface of touch controlled key 1 occur
Amount, what the height in figure between two dotted lines was represented is default deformation quantity difference, as can be seen from the figure the surface of touch controlled key 1
The difference of deformation quantity and the deformation quantity on the surface of touch controlled key 0 is significantly greater than preset difference value, then can determine touch controlled key surface
Deformation is not as caused by some other disturbing factors；If the deformation quantity on touch controlled key surface and the adjacent area of touch controlled key
The difference of deformation quantity be not more than default preset difference value, you can the deformation for thinking touch controlled key surface is by other disturbing factors
It is caused, then without carrying out touch-control response to the deformation, for example, as shown in Fig. 5-2, the deformation quantity on the surface of touch controlled key 1 is with touching
The deformation quantity for controlling the surface of button 0 is almost identical, then the deformation that can determine touch controlled key surface is caused by other disturbing factors
, then forbid carrying out touch-control response to the deformation.
Illustratively, please continue to refer to Fig. 5-1, what the height of the camber line of touch controlled key 0 and the top of touch controlled key 1 was represented respectively
It is the deformation quantity on touch controlled key 0 and the surface of touch controlled key 1, it is assumed that the deformation quantity on the surface of touch controlled key 1 is 1.5 μm, touch controlled key 0
The deformation quantity on surface is 0.5 μm, and threshold value (i.e. preset difference value) is 0.2 μm, deformation quantity and the touch controlled key 0 on the surface of touch controlled key 1
- 0.5 μm of difference=1.5 μm=1 μm of the deformation quantity on surface, due to 1 μm>0.2 μm, it may be determined that the shape on the surface of touch controlled key 1
Change is not as caused by some other disturbing factors, now to need to enter the deformation quantity on the surface of touch controlled key 1 and deformation threshold value
Row compares, and is judged whether according to comparative result to respond deformation.
It should be noted that the distance in the gap between the number of adjacent area, each adjacent area and touch controlled key with
And preset difference value can be set according to actual conditions, for example：Each gap between adjacent area and touch controlled key
Distance can be the width of 2~6 times of touch controlled key, or, can also suitably it be adjusted according to the distance in actual conditions gap
For the width of the touch controlled key less than 2 times or more than 6 times, the embodiment of the present invention is not specifically limited to it.
Step 303, when touch controlled key surface deformation quantity and adjacent area deformation quantity difference be more than threshold value when, be based on
The current time volume of touch-control product determines deformation threshold value.
Alternatively, deformation threshold value can not only be reflected by current time volume, can also by sound carrier power, audio pattern and
The factors such as the design error of touch controlled key reflect, as shown in fig. 6, the current time volume based on the touch-control product determines deformation
The process of threshold value, can include：
Step 3031, the current time volume for obtaining touch-control product, and determine the deformation quantity caused by current time volume.
Volume is to be capable of the main interference factors for deforming upon touch controlled key surface in the capacitance touching control product of sounding,
It is also the disturbing factor for making touch controlled key surface continually deform upon, it is thus necessary to determine that deformation quantity caused by volume.
When manufacturing touch-control product, technical staff can debug to touch-control product, so that touch-control product sends different big
Small sound, the size of the sound is the volume for showing as touch-control product, also, sends different size of sound in touch-control product
When, technical staff can detect and record the deformation quantity that its caused touch controlled key surface occurs, and by volume and its caused shape
The corresponding relation of the size formation of variable is stored in the predeterminated position of touch-control product, is needing to be determined according to current time volume
During corresponding deformation quantity, the corresponding relation can be inquired about in the predeterminated position to obtain corresponding deformation quantity.
Illustratively, the corresponding relation of volume and deformation quantity may be referred to table 1, as shown in table 1, when volume is 10 decibels of (English
Text：decibel；Abbreviation：When db), its caused deformation quantity is 0.1 micron of (English：μm), when volume is 20db, it causes
Deformation quantity be 0.4 μm.
Table 1
All it is by on-chip system pair because capacitance touching control product can send the volume of sound and the sound sent
Loudspeaker in touch-control product is controlled to realize, therefore, and on-chip system can obtain current time volume.Also, piece
Upper system can be looked into after current time volume is obtained according to the volume in the mapping table of volume and deformation quantity
Look for, to determine deformation quantity caused by current time volume.
Illustratively, the surface portion that refer to the region in Fig. 4, dotted line frame is metal net mask, and the metal net mask is TV
A part for shell, television internal is provided with loudspeaker (not shown) and touch chip, and both set locations can be with metal
The position correspondence of guard is (for example, both are located on the metal net mask in the orthographic projection in the plane of metal net mask institute, as in Fig. 4
Dashed circle shown in position, position is an exemplary locations in figure, not to limit, can be by practical application
Touch chip is arranged on the optional position of metal net mask), Fig. 7-1 is the partial cut enlarged drawing of touch controlled key 1 in Fig. 4, touch-control
Chip be provided with the surface of the side of metal net mask with metal net mask just to battery lead plate 110, the battery lead plate 110 with
Its just to metal net mask 120 formation touch controlled key 1 electric capacity, in the TV shown in Fig. 4, loudspeaker is gone out by metal net mask
Sound, it goes out before sound direction is, and when user touches touch controlled key 1, its surface there occurs deformation, also, detect touch-control
At the time of keytop is deformed upon, the TV of acquisition is 20db in current time volume, then passes through the correspondence shown in inquiry table 1
Relation can determine that the deformation quantity caused by the volume is 0.4 μm.
Step 3032, determine additional deformation amount.
In addition to volume, other disturbing factors also can deform upon touch controlled key surface, for example：Touch-control product
The disturbing factors such as the design error of sound carrier power, the audio pattern that touch-control product is used and touch controlled key, wherein, different audios
Pattern is characterized by different pronunciation frequency ranges, for example：Stereo-circulation sound is imitated and 3D audios can correspond to different pronunciation frequency ranges.
The deformation quantity that touch controlled key surface occurs at least one of design error of sound carrier power, audio pattern and touch controlled key can
To be referred to as additional deformation amount.
Technical staff can record touch-control product in different sound carrier powers and different audios when being debugged to touch-control product
The deformation quantity that touch controlled key surface occurs during pattern, the relation of different sound carrier powers and deformation quantity can show as nonlinear song
Line, the nonlinear curve is carried out analog-to-digital conversion and sampled that the corresponding relation of sound carrier power and deformation quantity can be obtained, not unisonance
The corresponding pronunciation frequency range of effect pattern and the relation of deformation quantity can also show as nonlinear curve, and the nonlinear curve is carried out
Analog-to-digital conversion and sampling can obtain the corresponding relation of the corresponding pronunciation frequency range of audio pattern and deformation quantity, sound carrier power, pronunciation
The corresponding relation of frequency range and deformation quantity is storable in the predeterminated position of touch-control product, needing according to sound carrier power and/or
When pronunciation frequency range determines corresponding deformation quantity, the corresponding relation can be inquired about in the predeterminated position to obtain corresponding deformation
Amount.
Illustratively, the corresponding relation of sound carrier power and deformation quantity may be referred to table 2, as shown in table 2, when sound carrier power is 8
Watt (English：When W), its caused deformation quantity is 0.1 μm, and when sound carrier power is 10W, its caused deformation quantity is 0.15 μ
m。
Table 2
Illustratively, the corresponding relation of the corresponding pronunciation frequency range of audio pattern and deformation quantity may be referred to table 3, as shown in table 3,
When the corresponding pronunciation frequency range of audio pattern is 50 hertz of (English：When Hz), its caused deformation quantity is 0.05 μm, when audio pattern
When corresponding pronunciation frequency range is 200Hz, its caused deformation quantity is 0.1 μm.
Table 3
The design error of touch controlled key determined by production technology, the touch-control product produced on same production line
Design error is essentially identical, and the deformation quantity that it occurs touch controlled key surface is also essentially identical, i.e., to same series-produced same
For the touch-control product of model, the deformation quantity that its surface occurs for the design error of its touch controlled key is also essentially identical, and the shape
Variate is fixed, and therefore, technical staff can detect the deformation values, and stored when being debugged to touch-control product
In the predeterminated position of touch-control product, it needs to be determined that can directly extract the deformation values in predeterminated position during the deformation values.
Illustratively, the deformation quantity that touch controlled key surface occurs for the touch-control product produced on different production lines is ± 0.04 μ
M, ± 0.08 μm and ± 0.1 μm etc..
Step 3033, the deformation quantity according to caused by current time volume and additional deformation amount, determine deformation threshold value.
Alternatively, as shown in Fig. 7-2, deformation quantity and additional deformation amount according to caused by current time volume determine shape
Become threshold value, its determination formula is：
L0=AX+W.
Wherein, X is the deformation quantity caused by current time volume, and A is for reflecting susceptibility of the touch controlled key to volume
Deformation coefficient, W be all additional deformation amounts summation, L0 be deformation threshold value.
Specifically, it is determined that the process of deformation threshold value, can include：
Step 3033a, determine deformation coefficient for reflecting touch controlled key to the susceptibility of volume.
The reflection touch controlled key mainly determines to the deformation coefficient of the susceptibility of volume by the material of touch controlled key, the coefficient
Test and be stored in on-chip system when can be technical staff's debugging, can be directly invoked when using the deformation coefficient,
Or, it can also be calculated in detection process by multiple repairing weld and obtain the deformation coefficient.Alternatively, pressed for different touch-controls
Key material and different manufacturing process, touch controlled key is different to the susceptibility of volume, reflects that the deformation coefficient of the susceptibility takes
Be worth scope for (0,1].Illustratively, it is assumed that the touch controlled key of certain TV is 0.1 to the deformation coefficient of the susceptibility of volume.
Step 3033b, the product for determining deformation coefficient and the deformation quantity caused by current time volume.
Illustratively, it is assumed that the TV of acquisition is 20db in current time volume, inquiry table 1 can obtain deformation caused by the volume
Measure as 0.4 μm, the touch controlled key of TV is 0.1 to the deformation coefficient of the susceptibility of volume, then deformation coefficient and current time sound
The product of the caused deformation quantity of amount is 0.1*0.4=0.04 μm.
Step 3033c, by product and additional deformation amount and value be defined as deformation threshold value.
Illustratively, it is assumed that the product of the deformation quantity caused by deformation coefficient and current time volume is 0.04 μm, TV
Sound carrier power is 10W, and the corresponding pronunciation frequency range of audio pattern of TV is 200Hz, and touch controlled key is arranged on the metal of television set
The deformation quantity for occurring touch controlled key on guard is 0.08 μm, can be obtained by inquiry table 2 and table 3,10W sound carrier power is corresponding
Deformation quantity is 0.3 μm, and the 200Hz corresponding deformation quantity of pronunciation frequency range is 0.1 μm, and it is corresponding that additional deformation amount includes sound carrier power
The corresponding deformation quantity of design error of deformation quantity, the corresponding deformation quantity of audio pattern and touch controlled key, then all additional deformation amounts
Summation be 0.3 μm+0.1 μm+0.08 μm=0.48 μm, then above-mentioned product and the additional deformation amount and value be 0.04 μm+
0.48 μm=deformation the threshold value of 0.52 μm, i.e. touch controlled key is 0.52 μm.
Step 304, compare touch controlled key surface deformation quantity whether be more than deformation threshold value.
Because deformation threshold value is determined according to the vibration interference such as design error of volume, audio pattern and touch controlled key factor
, therefore, when the deformation quantity on touch controlled key surface is not more than deformation threshold value, it may be determined that deform upon touch controlled key surface
Factor be vibration interference, be not user triggering touch control operation, then be not responding to the touch control operation, that is, forbid to touch controlled key table
The deformation that face occurs carries out touch-control response, that is, performs step 305, when the deformation quantity on touch controlled key surface is more than deformation threshold value,
It is the touch control operation of user's triggering that the factor for deforming upon touch controlled key surface, which can be determined, and the touch control operation can be carried out
Response, you can touch-control response is carried out to the deformation that touch controlled key surface occurs, that is, performs step 306.
It should be noted that when the shell that the shell of touch-control product is made of metal, touch controlled key and the metal are made is
When the going out of integrative-structure and loudspeaker goes out before sound direction is, because volume, sound carrier power and audio pattern are influence touch controlled key
Most frequent factor, and the design error of touch controlled key is unavoidable factor, therefore, compares touch controlled key surface
Whether deformation quantity is more than the deformation threshold value determined according to the design error of volume, sound carrier power, audio pattern and touch controlled key, energy
The enough deformation according to caused by deformation and vibration interference that comparative result is produced to the touch operation of user makes a distinction, and determination is
The no deformation to touch controlled key surface carries out touch-control response, can farthest reduce the probability for response mistake occur.Also,
During judging that touch control operation that whether deformation on touch controlled key surface is triggered by user is produced, first to other disturbing factors
Excluded, and it is determined that deformation quantity compare again when not being and being caused by other disturbing factors touch controlled key surface deformation quantity whether
More than deformation threshold value, deformation caused by deformation that touch operation that can be further to user is produced and vibration interference carries out area
Point, and then the anti-interference and accuracy of touch-control response method are further improved, meanwhile, it is determined that deformation quantity is done by other
Forbid touch-control response to shorten deterministic process when the factor of disturbing causes, can further improve Consumer's Experience.
It should also be noted that, step 3031 to step 3033 can also be performed between step 301 and step 302,
It is to detect after touch controlled key surface deforms upon, it is first true according to the design error of volume, audio pattern and touch controlled key
Setting becomes threshold value, then performs step 302 and 304 successively again, i.e., by the phase of the deformation quantity on touch controlled key surface and touch controlled key
The deformation quantity in neighbouring region is compared, and touch controlled key surface deformation quantity and adjacent area deformation quantity difference be more than threshold
During value, whether the deformation quantity for comparing touch controlled key surface is more than the deformation threshold value that step 303 is determined.Or, it can also select not
Step 302 is performed, be that is to say, is detecting after touch controlled key surface deforms upon, i.e., is being pressed according to volume, audio pattern and touch-control
The design error of key determines deformation threshold value, and whether the deformation quantity for then comparing touch controlled key surface is more than the shape that step 303 is determined
Become threshold value, the embodiment of the present invention is not specifically limited to it.
Step 305, when the deformation quantity on touch controlled key surface is not more than deformation threshold value, be not responding to touch control operation.
Illustratively, it is assumed that the deformation quantity on touch controlled key surface be 0.5 μm, it is determined that deformation threshold value be 0.52 μm, due to 0.5
μm<0.52 μm, it may be determined that the factor for deforming upon the touch controlled key surface is vibration interference, be not the touch-control of user's triggering
Operation, then be not responding to touch control operation, that is, forbids carrying out touch-control response to the deformation that touch controlled key surface occurs.
Step 306, when touch controlled key surface deformation quantity be more than deformation threshold value when, respond touch control operation.
When the deformation quantity on touch controlled key surface is more than deformation threshold value, it is believed that the deformation quantity is due to that user's touch is touched
Control what button was produced, then respond touch control operation, i.e., touch-control response is carried out to the deformation that touch controlled key surface occurs, it is corresponding to realize
Touch controllable function.
In actual applications, first the deformation quantity on touch controlled key surface can also be compared with deformation threshold value, works as touch-control
When the deformation quantity of keytop is more than deformation threshold value, then by the adjacent area of the deformation quantity on touch controlled key surface and touch controlled key
Deformation quantity is compared, and when the deformation quantity on touch controlled key surface and the difference of deformation quantity of adjacent area are not more than threshold value,
Touch control operation is not responding to, that is, forbids carrying out touch-control response to the deformation that touch controlled key surface occurs, to avoid the occurrence of response mistake,
And then improve the anti-interference of touch-control response method.
It should be noted that also may be used in the method that above-mentioned steps 301 carry out touch-control response into step 306 based on deformation quantity
To be realized indirectly by measuring the capacitance progress touch-control response of touch controlled key, for example, in step 301, detection touch-control is pressed
The process whether key surface deforms upon, can include：Whether the corresponding capacitance of detection touch controlled key changes, and works as touch-control
The corresponding capacitance of button changes, and determines that touch controlled key surface is deformed upon, when the corresponding capacitance of touch controlled key is not sent out
It is raw to change, determine that touch controlled key surface is not deformed upon；In step 304, when touch controlled key surface is deformed upon, relatively touch
Whether the deformation quantity for controlling keytop is more than the process of deformation threshold value, can include：When touch controlled key surface is deformed upon, than
Whether it is more than capacitance variations threshold value compared with the capacitance change corresponding to touch controlled key, when the capacitance change corresponding to touch controlled key
During more than capacitance variations threshold value, determine that the deformation quantity on touch controlled key surface is more than deformation threshold value；When the electricity corresponding to touch controlled key
Hold variable quantity and be not more than capacitance variations threshold value, determine that the deformation quantity on touch controlled key surface is not more than deformation threshold value.Also, above-mentioned
In the implementation procedure of step, it can also be turned between deformation quantity and capacitance according to the relation between deformation quantity and capacitance
Change, the relation between deformation quantity and capacitance is：C=ε 1* ε 2*S/D, wherein, C is capacitance, and ε 1 is dielectric constant of air, ε 2
For the dielectric constant of touch controlled key, S is the facing area of two battery lead plates in touch controlled key, and D is to deform upon latter two electrode
The deformation quantity of spacing between plate, i.e. touch controlled key surface.
In summary, the touch operation determination methods provided in an embodiment of the present invention being used in capacitance touching control product, lead to
The deformation quantity for crossing the adjacent area by the deformation quantity on touch controlled key surface and touch controlled key is compared, on touch controlled key surface
When the difference of the deformation quantity of deformation quantity and adjacent area is not more than threshold value, judge whether the deformation quantity on touch controlled key surface is more than shape
Become threshold value, and deformation quantity on touch controlled key surface is when being not more than deformation threshold value, is not responding to touch control operation, user can be touched
Touch operation produce deformation and vibration interference caused by deformation make a distinction, avoid to a certain extent to touch controlled key surface because
The deformation that vibration interference occurs produces response, reduces the probability for response mistake occur, improves the anti-dry of touch-control response method
Immunity and accuracy so that user without worrying whether touch-control product occurs response mistake, reduces user to electricity when in use
The query of apparent mass, and then improve Consumer's Experience.
It should be noted that the touch operation determination methods provided in an embodiment of the present invention being used in capacitance touching control product
The sequencing of step can be adjusted suitably, and step according to circumstances can also accordingly be increased and decreased, any to be familiar with this technology
The technical staff in field the invention discloses technical scope in, the method that can readily occur in change should all cover in the present invention
Protection domain within, therefore repeat no more.
The embodiments of the invention provide a kind of touch operation judgment means 800 being used in capacitance touching control product, such as scheme
Shown in 8-1, the device 800 can include：
Judge module 801, for judging whether the deformation quantity on touch controlled key surface is more than deformation threshold value, wherein, deformation threshold
It is worth the current time volume based on touch-control product to determine.
Processing module 802, for when the deformation quantity on touch controlled key surface is not more than deformation threshold value, being not responding to touch-control behaviour
Make, otherwise, respond touch control operation.
In summary, the touch operation judgment means provided in an embodiment of the present invention being used in capacitance touching control product, when
When touch controlled key surface is deformed upon, whether the deformation quantity for judging touch controlled key surface by judge module is more than deformation threshold value,
And the deformation quantity on touch controlled key surface, when being not more than deformation threshold value, processing module is not responding to touch control operation, can be to user's
Deformation caused by the deformation of touch operation generation and vibration interference makes a distinction, and avoids to a certain extent to touch controlled key surface
Because the deformation that vibration interference occurs produces response, the probability for response mistake occur is reduced, the anti-of touch-control response method is improved
Interference and accuracy.
Alternatively, as shown in Fig. 8-2, judge module 801 can include：
First comparison sub-module 8011, for by the shape of the deformation quantity on touch controlled key surface and the adjacent area of touch controlled key
Variable is compared.
Second comparison sub-module 8012, for the deformation quantity and the difference of the deformation quantity of adjacent area when touch controlled key surface
During more than threshold value, the deformation quantity on touch controlled key surface is compared with deformation threshold value.
Alternatively, as shown in Fig. 8-3, device 800 can also include：
Acquisition module 803, for obtaining current time volume, and determines the deformation quantity caused by volume.
First determining module 804, for determining additional deformation amount, additional deformation amount includes the corresponding deformation of sound carrier power
At least one of corresponding deformation quantity of design error of amount, the corresponding deformation quantity of audio pattern and touch controlled key.
Second determining module 805, for the deformation quantity according to caused by volume and additional deformation amount, determines deformation threshold
Value.
Alternatively, the second determining module 805, specifically can be used for：
It is determined that for reflecting deformation coefficient of the touch controlled key to the susceptibility of volume.
Determine the product of coefficient and the deformation quantity caused by volume.
Determine the summation of additional deformation amount.
By the product and the summation and be defined as deformation threshold value.
Alternatively, adjacent area is two, and two adjacent areas are arranged in the both sides of touch controlled key along assigned direction, each
The shape of adjacent area and the shape congruence of touch controlled key.
Alternatively, the clearance distance of adjacent area and touch controlled key is more than twice of touch controlled key width, touch controlled key
Width is the full-size of touch controlled key in the direction indicated.
Alternatively, metal net mask, touch-control can also be included for the touch operation judgment means in capacitance touching control product
Button is located on metal net mask, and touch controlled key is structure as a whole with metal net mask.
In summary, the touch operation judgment means provided in an embodiment of the present invention being used in capacitance touching control product, when
When touch controlled key surface is deformed upon, by the first comparison sub-module by the phase of the deformation quantity on touch controlled key surface and touch controlled key
The deformation quantity in neighbouring region is compared, and the second comparison sub-module is in the deformation quantity on touch controlled key surface and the deformation quantity of adjacent area
Difference when being not more than threshold value, whether the deformation quantity for comparing touch controlled key surface is more than deformation threshold value, and on touch controlled key surface
Deformation quantity when being not more than deformation threshold value, processing module is not responding to touch control operation, the shape that can be produced to the touch operation of user
Become and deformation caused by vibration interference makes a distinction, avoid what touch controlled key surface occurred by vibration interference to a certain extent
Deformation produces response, reduces the probability for response mistake occur, improves the anti-interference and accuracy of touch-control response method, make
User is obtained when in use without worrying whether touch-control product occurs response mistake, is reduced query of the user to television-quality, is entered
And improve Consumer's Experience.
The embodiments of the invention provide a kind of touch operation judgment means 900 being used in capacitance touching control product, such as Fig. 9
Shown, the device 900 can include：
Comparison module 901, for when touch controlled key surface is deformed upon, by the deformation quantity and touch-control on touch controlled key surface
The deformation quantity of the adjacent area of button is compared.
Processing module 902, is not more than for the deformation quantity and the difference of the deformation quantity of adjacent area when touch controlled key surface
During threshold value, touch control operation is not responding to, otherwise, touch control operation is responded.
In summary, the touch operation judgment means provided in an embodiment of the present invention being used in capacitance touching control product, when
When touch controlled key surface is deformed upon, by comparison module by the deformation quantity on touch controlled key surface and the adjacent area of touch controlled key
Deformation quantity be compared, and be not more than threshold value in the deformation quantity on touch controlled key surface and the difference of deformation quantity of adjacent area
When, processing module is not responding to touch control operation, deformation caused by the deformation that can be produced to the touch operation of user and vibration interference
Make a distinction, avoid to touch controlled key surface because the deformation that vibration interference occurs produces response, reduce out to a certain extent
The probability of mistake is now responded, the anti-interference and accuracy of touch-control response method is improved.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the device of foregoing description,
The specific work process of module and submodule, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
One of ordinary skill in the art will appreciate that realizing that all or part of step of above-described embodiment can be by hardware
To complete, the hardware of correlation can also be instructed to complete by program, described program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only storage, disk or CD etc..
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (10)
1. a kind of touch operation determination methods being used in capacitance touching control product, it is characterised in that including：
When the touch controlled key surface is deformed upon, judge whether the deformation quantity on the touch controlled key surface is more than the deformation
Threshold value, wherein, current time volume of the deformation threshold value based on the touch-control product is determined；
When the deformation quantity on the touch controlled key surface is not more than the deformation threshold value, touch control operation is not responding to, otherwise, response is touched
Control operation.
2. according to the method described in claim 1, it is characterised in that whether the deformation quantity for judging the touch controlled key surface
More than the deformation threshold value, including：
The deformation quantity of the deformation quantity and the adjacent area of the touch controlled key on the touch controlled key surface is compared；
When the deformation quantity on the touch controlled key surface is more than threshold value with the difference of the deformation quantity of the adjacent area, touched described
The deformation quantity of control keytop is compared with the deformation threshold value.
3. method according to claim 1 or 2, it is characterised in that the deformation threshold value working as based on the touch-control product
Preceding moment volume is determined, is specifically included：
The current time volume of the touch-control product is obtained, and determines the deformation quantity caused by the current time volume；
Additional deformation amount is determined, the additional deformation amount includes the corresponding deformation quantity of sound carrier power, the corresponding deformation of audio pattern
At least one of corresponding deformation quantity of design error of amount and touch controlled key；
Deformation quantity and the additional deformation amount according to caused by the current time volume, determine the deformation threshold value.
4. method according to claim 3, it is characterised in that the deformation according to caused by the current time volume
Amount and the additional deformation amount, determine the deformation threshold value, including：
It is determined that for reflecting deformation coefficient of the touch controlled key to the susceptibility of volume；
Determine the product of the deformation coefficient and the deformation quantity caused by the current time volume；
By the product and the additional deformation amount and value be defined as the deformation threshold value.
5. method according to claim 2, it is characterised in that the adjacent area is two, two adjacent areas
The both sides of the touch controlled key are arranged in along assigned direction, the shape and the shape of the touch controlled key of each adjacent area
Congruence.
6. method according to claim 5, it is characterised in that the clearance distance of the adjacent area and the touch controlled key
More than twice of the touch controlled key width, the width of the touch controlled key is the maximum of the touch controlled key in the direction indicated
Size.
7. a kind of touch operation determination methods being used in capacitance touching control product, it is characterised in that including：
When the touch controlled key surface is deformed upon, by the phase of the deformation quantity and the touch controlled key on the touch controlled key surface
The deformation quantity in neighbouring region is compared；
When the difference of the deformation quantity and the deformation quantity of the adjacent area on the touch controlled key surface is not more than threshold value, it is not responding to
Touch control operation, otherwise, responds touch control operation.
8. a kind of touch operation judgment means being used in capacitance touching control product, it is characterised in that including：
Judge module, for when the touch controlled key surface is deformed upon, judging the deformation quantity on the touch controlled key surface to be
It is no to be more than the deformation threshold value, wherein, current time volume of the deformation threshold value based on the touch-control product is determined；
Processing module, for when the deformation quantity on the touch controlled key surface is not more than the deformation threshold value, being not responding to touch-control behaviour
Make, otherwise, respond touch control operation.
9. device according to claim 8, it is characterised in that the judge module, including：
First comparison sub-module, for by the shape of the deformation quantity on the touch controlled key surface and the adjacent area of the touch controlled key
Variable is compared；
Second comparison sub-module, the difference for the deformation quantity when the touch controlled key surface and the deformation quantity of the adjacent area
During more than threshold value, the deformation quantity on the touch controlled key surface is compared with the deformation threshold value.
10. a kind of touch operation judgment means being used in capacitance touching control product, it is characterised in that including：
Comparison module, for when the touch controlled key surface is deformed upon, by the deformation quantity on the touch controlled key surface and institute
The deformation quantity for stating the adjacent area of touch controlled key is compared；
Processing module, the difference for deformation quantity and the deformation quantity of the adjacent area when the touch controlled key surface is not more than
During threshold value, touch control operation is not responding to, otherwise, touch control operation is responded.
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| CN103677452A (en) * | 2012-08-30 | 2014-03-26 | 华为终端有限公司 | Capacitive touch screen calibration method and capacitive touch device |
| CN205540679U (en) * | 2016-01-27 | 2016-08-31 | 深圳纽迪瑞科技开发有限公司 | Pressure touch devices and have this pressure touch devices's terminal equipment |
| CN106301325A (en) * | 2016-08-11 | 2017-01-04 | 青岛海信电器股份有限公司 | The touch identification method of capacitance type touch key and device |
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2017
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103677452A (en) * | 2012-08-30 | 2014-03-26 | 华为终端有限公司 | Capacitive touch screen calibration method and capacitive touch device |
| CN205540679U (en) * | 2016-01-27 | 2016-08-31 | 深圳纽迪瑞科技开发有限公司 | Pressure touch devices and have this pressure touch devices's terminal equipment |
| CN106301325A (en) * | 2016-08-11 | 2017-01-04 | 青岛海信电器股份有限公司 | The touch identification method of capacitance type touch key and device |
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