CN106293219B - A kind of device and its control method with pressure touch function - Google Patents
A kind of device and its control method with pressure touch function Download PDFInfo
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- CN106293219B CN106293219B CN201610629514.2A CN201610629514A CN106293219B CN 106293219 B CN106293219 B CN 106293219B CN 201610629514 A CN201610629514 A CN 201610629514A CN 106293219 B CN106293219 B CN 106293219B
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000000644 propagated effect Effects 0.000 claims abstract description 16
- 238000002604 ultrasonography Methods 0.000 claims description 22
- 230000001755 vocal effect Effects 0.000 claims description 17
- 238000012545 processing Methods 0.000 claims description 13
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 2
- 230000013011 mating Effects 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 description 9
- 230000005672 electromagnetic field Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000003825 pressing Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 2
- 230000006854 communication Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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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
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
-
- 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
- G06F3/043—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using propagating acoustic waves
- G06F3/0436—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using propagating acoustic waves in which generating transducers and detecting transducers are attached to a single acoustic waves transmission substrate
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- Engineering & Computer Science (AREA)
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- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Electronic Switches (AREA)
- Transducers For Ultrasonic Waves (AREA)
Abstract
The present invention provides a kind of device and its control method with pressure touch function, is related to field of display technology, and the accuracy and sensitivity of pressure touch can be improved.The device includes device noumenon, further includes ultrasonic transmitter and ultrasonic receiver；The ultrasonic signal of the ultrasonic transmitter transmitting is propagated in described device ontology；The ultrasonic receiver receives the ultrasonic signal propagated through described device ontology, so that obtaining pressure rank according to the received ultrasonic signal of the ultrasonic receiver.For realizing pressure touch function.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of devices and its controlling party with pressure touch function
Method.
Background technique
With the rapid development of display technology, display device has been widely used in each technical field, pressure touch
Product is even more to have obtained the favor of people.
Display device in the prior art, it is general by the variation of detection display panel internal capacitance or resistance variations, come
Pressure detecting is realized, to realize pressure touch function.However, when there are stronger electromagnetic fields in the use environment of display device
When signal, electromagnetic field signal can make display panel internal capacitance or resistance generate variation, and to display panel internal capacitance or electricity
The testing result of resistance generates interference, so that the accuracy and sensitivity decrease of detection are reduced and used to influence pressure touch effect
Family experience.
Summary of the invention
The embodiment of the present invention provides a kind of device and its control method with pressure touch function, and pressure touching can be improved
The accuracy and sensitivity of control.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that
It further include ultrasonic wave transmitting in a first aspect, providing a kind of device with pressure touch function, including device noumenon
Device and ultrasonic receiver；The ultrasonic signal of the ultrasonic transmitter transmitting is propagated in described device ontology；It is described super
Acoustic receiver receives the ultrasonic signal propagated through described device ontology, so that received according to the ultrasonic receiver
Ultrasonic signal obtains pressure rank.
Preferably, the ultrasonic transmitter and the ultrasonic receiver set up separately opposite the two of described device ontology
Side.
Preferably, the same side of described device ontology is arranged in the ultrasonic transmitter and the ultrasonic receiver.
Based on above-mentioned, it is preferred that described device further includes vocal structure；The ultrasonic transmitter and the ultrasonic wave connect
Device is received to be integrated in the vocal structure.
Preferably, the vocal structure includes earpiece and loudspeaker；The ultrasonic transmitter and the ultrasonic wave receive
Device is integrated in respectively in the earpiece and the loudspeaker, and the earpiece and the loudspeaker set up separately in described device ontology
Opposite sides.
Preferably, the vocal structure includes earpiece and loudspeaker；The ultrasonic transmitter and the ultrasonic wave receive
Device is integrated in simultaneously in the earpiece or the loudspeaker.
Preferably, described device is display device；The display device includes display panel and shell；The ultrasonic wave hair
Emitter and the ultrasonic receiver are arranged between the display panel lateral surface and the shell.
It preferably, further include the processing module being connect with the ultrasonic receiver；The processing module is used for described
The ultrasonic signal that ultrasonic receiver receives is handled, and to obtain pressure rank, and is controlled according to the pressure rank
Described device carries out operation corresponding with the pressure rank.
Second aspect provides a kind of control method of device, comprising: receives ultrasonic transmitter according to ultrasonic receiver
The ultrasonic signal of transmitting obtains ultrasonic intensity P1；Initial ultrasound intensity of wave P0 and the ultrasonic intensity P1 are subtracted each other, obtained
To Strength Changes value Δ P；Wherein, when the initial ultrasound intensity of wave P0 is that device noumenon is not pressed deformation, the ultrasonic wave
The intensity of the received ultrasonic signal of receiver；According to the Strength Changes value Δ P, pressure rank is obtained；According to the pressure
Rank controls described device and executes operation corresponding with the pressure rank.
Preferably, when the initial ultrasound intensity of wave P0 is that finger starts to touch described device ontology, the ultrasonic wave is connect
Receive the intensity of the received ultrasonic signal of device.
Based on above-mentioned, it is preferred that according to the Strength Changes value Δ P, obtain pressure rank, comprising: according to the intensity
Changing value Δ P, judges whether the Strength Changes value Δ P is greater than the first preset value；If more than according to the Strength Changes value Δ
P obtains pressure rank by searching for pressure rank table；Wherein, Strength Changes value Δ P and pressure stage in the pressure rank table
It Ju You not corresponding relationship.
The embodiment of the present invention provides a kind of device and its control method with pressure touch function, since ultrasonic wave emits
The ultrasonic signal of device transmitting can be propagated in device noumenon, and ultrasonic receiver can receive to be surpassed through what device noumenon was propagated
Acoustic signals, therefore, after device noumenon is pressed deformation, ultrasonic receiver can receive due to device noumenon deformation and
The ultrasonic intensity changed, wherein with the difference of pressing dynamics and finger and device noumenon contact area, obtained ultrasound
Intensity of wave is not also identical, on this basis, by subtracting each other it with initial ultrasound intensity of wave, ultrasonic intensity variation can be obtained
Value, according to ultrasonic intensity changing value can obtain corresponding pressure rank, realize the detection to touch-control pressure with this.
Further, operation corresponding with pressure rank is executed by control described device, can realizes corresponding pressure touch function.
Wherein, since electromagnetic field signal can't generate interference to the intensity of ultrasonic signal, it can be very good to solve
It, can certainly in the prior art because electromagnetic field signal interferes, and the problem of lead to the accuracy and sensitivity decrease of touch-control pressure detecting
To improve user experience.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram one of the device with pressure touch function provided in an embodiment of the present invention；
Fig. 2 (a) is a kind of intensity schematic diagram one of ultrasonic signal provided in an embodiment of the present invention；
Fig. 2 (b) is a kind of intensity schematic diagram two of ultrasonic signal provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram two of the device with pressure touch function provided in an embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram three of the device with pressure touch function provided in an embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram four of the device with pressure touch function provided in an embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram five of the device with pressure touch function provided in an embodiment of the present invention；
Fig. 7 is a kind of flow chart of the control method of the device with pressure touch function provided in an embodiment of the present invention.
Appended drawing reference:
10- device noumenon；20- ultrasonic transmitter；30- ultrasonic receiver；40- vocal structure；41- earpiece；42- is raised
Sound device；50- display panel；60- shell.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of device with pressure touch function, as shown in Figure 1, include device noumenon 10,
It further include ultrasonic transmitter 20 and ultrasonic receiver 30；The ultrasonic signal that ultrasonic transmitter 20 emits is in device noumenon
It is propagated in 10；Ultrasonic receiver 30 receives the ultrasonic signal propagated through device noumenon 10, so that being received according to ultrasonic wave
The received ultrasonic signal of device 30 obtains pressure rank.
The working principle that the embodiment of the present invention detects touch-control pressure by ultrasonic wave are as follows: ultrasonic transmitter 20 is held
Continuous continuous transmitting ultrasonic signal, ultrasonic receiver 30 receive the ultrasonic signal propagated through device noumenon 10, work as device
After ontology 10 is pressed deformation, according to the ultrasonic signal that ultrasonic receiver 30 receives, ultrasonic intensity P1 is obtained；By P1
Subtract each other with initial ultrasound intensity of wave P0, obtains ultrasonic intensity changing value Δ P；On this basis, it can store in portion in the device
Pressure stage corresponding with Δ P can be obtained by tabling look-up in the pressure rank table of Strength Changes value Δ P and pressure rank corresponding relationship
Not, the detection to touch-control pressure is realized with this.Wherein, pressure rank and pressure touch function have one-to-one relationship.
Wherein, ultrasonic intensity changing value Δ P and the other corresponding relationship of pressure stage, such as may is that pre- first as Δ P
If first class pressure can be corresponded to when between value and the second preset value；It, can when Δ P is between the second preset value and third preset value
Corresponding secondary pressure；When Δ P is between third preset value and the 4th preset value, three stage pressures can be corresponded to；And so on.Its
In, for the first preset value less than the second preset value, the second preset value is less than third preset value, and third preset value is default less than the 4th
Value.On this basis, by judging range belonging to Δ P, corresponding pressure rank can be obtained.
It should be noted that first, initial ultrasound intensity of wave P0, such as it can be the preset value of device, it can also be with
It is when device noumenon 10 does not deform, according to the ultrasonic signal that ultrasonic receiver 30 receives, and obtained ultrasound
The initial value of intensity of wave.
Second, when subtracting each other P1 and P0, it can use the absolute value of its difference, Δ P >=0 can be made.
Third is not defined the specific structure of device noumenon 10, has the function of pressure touch.
In addition, not to ultrasonic transmitter 20 and ultrasonic receiver 30 setting position in a device and fixed form into
Row limits, after the ultrasonic signal that ultrasonic transmitter 20 can be made to issue is propagated in device noumenon 10, by ultrasonic receiver
30 receive.
The embodiment of the present invention provides a kind of device with pressure touch function, since what ultrasonic transmitter 20 emitted surpasses
Acoustic signals can be propagated in device noumenon 10, and ultrasonic receiver 30 can receive the ultrasonic wave propagated through device noumenon 10
Signal, therefore, after device noumenon 10 is pressed deformation, ultrasonic receiver 30 can be received since device noumenon 10 deforms
And the ultrasonic intensity changed, wherein being obtained with the difference of pressing dynamics and finger and 10 contact area of device noumenon
Ultrasonic intensity is not also identical, on this basis, by subtracting each other it with initial ultrasound intensity of wave, ultrasonic intensity change can be obtained
Change value can obtain corresponding pressure rank according to ultrasonic intensity changing value, realize the inspection to touch-control pressure with this
It surveys.Further, operation corresponding with pressure rank is executed by control described device, can realizes corresponding pressure touch function
Energy.
Wherein, since electromagnetic field signal can't generate interference to the intensity of ultrasonic signal, it can be very good to solve
It, can certainly in the prior art because electromagnetic field signal interferes, and the problem of lead to the accuracy and sensitivity decrease of touch-control pressure detecting
To improve user experience.
Preferably, as shown in Figure 1, ultrasonic transmitter 20 and ultrasonic receiver 30 set up separately in the opposite of device noumenon 10
Two sides.
Wherein, when ultrasonic transmitter 20 and ultrasonic receiver 30 set up separately in the opposite sides of device noumenon 10, surpass
The ultrasonic signal that pinger 20 issues is received after the propagation of device noumenon 10 by the ultrasonic receiver 30 of its opposite side.
When device noumenon 10 does not deform, according to the received ultrasonic signal of ultrasonic receiver 30, can be obtained such as
Ultrasonic intensity shown in Fig. 2 (a), the ultrasonic intensity and initial ultrasound intensity of wave P0 are essentially identical.
As shown in Fig. 2 (b), when device noumenon 10 is pressed and deforms, for example, finger in device noumenon 10 with
When pressing at the corresponding position of X point device noumenon 10, ultrasonic signal is after the propagation of device noumenon 10, according to ultrasonic wave
The received ultrasonic signal of receiver 30, obtains ultrasonic intensity P1, and P1 is with respect to P0, and intensity will reduce, basic herein
On, by judging range belonging to Δ P, corresponding pressure rank can be obtained.
The embodiment of the present invention is by being separately positioned on device noumenon 10 for ultrasonic transmitter 20 and ultrasonic receiver 30
Opposite sides so that the ultrasonic signal that ultrasonic transmitter 20 issues is directly opposite by it after the propagation of device noumenon 10
The ultrasonic receiver 30 of side receives, the time needed for can shortening 30 received ultrasonic signal of ultrasonic receiver, raising pair
The detection speed of touch-control pressure, so that touch-control sensitivity can be improved.
Preferably, as shown in figure 3, the same of device noumenon 10 is arranged in ultrasonic transmitter 20 and ultrasonic receiver 30
Side.
Wherein, when the same side of device noumenon 10 is arranged in ultrasonic transmitter 20 and ultrasonic receiver 30, ultrasound
The ultrasonic signal that waves device 20 issues is through in 10 communication process of device noumenon, when arrival is pressed position, due to dress
It sets ontology 10 to deform, the intensity of ultrasonic signal changes, at this time blocking of a part of ultrasonic signal due to finger
It can return to 30 place side of ultrasonic transmitter 20 and ultrasonic receiver, and received by ultrasonic receiver 30；Another part
The ultrasonic signal not returned can also have the barrier obstruction during being partially transmitted in continuing communication process, and return
To 30 place side of ultrasonic transmitter 20 and ultrasonic receiver, received by ultrasonic receiver 30.Wherein barrier can be
The frame of device, the inherent structure being also possible in device noumenon 10, specifically it is not limited here.
The embodiment of the present invention realizes that the detection other principle of pressure stage is divided with ultrasonic transmitter 20 and ultrasonic receiver 30
It is located at identical when 10 two sides of device noumenon, details are not described herein.
It should be noted that when the same side of device noumenon 10 is arranged in ultrasonic transmitter 20 and ultrasonic receiver 30
When, ultrasonic transmitter 20 and ultrasonic receiver 30 can be provided separately, and also be can integrate and are integrated.In order to save structure
Installation space, the preferred ultrasonic transmitter 20 of the embodiment of the present invention and ultrasonic receiver 30 become one.
The embodiment of the present invention is by being arranged in the same of device noumenon 10 for ultrasonic transmitter 20 and ultrasonic receiver 30
Side can save the arrangement space of device.
Based on above-mentioned, it is preferred that as shown in Figure 4 and Figure 5, described device further includes vocal structure 40；Ultrasonic transmitter
20 and ultrasonic receiver 30 be integrated in vocal structure 40.
Wherein, as shown in figure 4, when vocal structure 40 only one when, ultrasonic transmitter 20 and ultrasonic receiver 30
Ipsilateral setting is integrated in the vocal structure 40.When vocal structure 40 includes at least two, ultrasonic transmitter 20 and ultrasound
Wave receiver 30 can integrate in the same vocal structure 40, alternatively, as shown in figure 5, can also be integrated in respectively different
In vocal structure 40.
The embodiment of the present invention, can by the way that ultrasonic transmitter 20 and ultrasonic receiver 30 to be integrated in vocal structure 40
Increase new structure to avoid portion in the device, the arrangement space of device can be saved, and save cost.
Preferably, as shown in figure 5, vocal structure 40 includes earpiece 41 and loudspeaker 42；Ultrasonic transmitter 20 and ultrasound
Wave receiver 30 is integrated in respectively in earpiece 41 and loudspeaker 42, and earpiece 41 and loudspeaker 42 set up the phase in device noumenon 10 separately
To two sides.
Wherein, ultrasonic transmitter 20 can integrate in earpiece 41 or loudspeaker 42, correspondingly, ultrasonic receiver
30 can integrate in loudspeaker 42 or earpiece 41, and Fig. 5 is only integrated in earpiece 41 with ultrasonic transmitter 20, ultrasonic wave
Receiver 30, which is integrated in loudspeaker 42, carries out example, does not do any restriction.
The embodiment of the present invention is by being integrated in ultrasonic transmitter 20 and ultrasonic receiver 30 respectively positioned at device sheet
In the earpiece 41 and loudspeaker 42 of 10 opposite sides of body, the arrangement space of device on the one hand can be saved, on the other hand can be mentioned
High touch-control sensitivity.
Preferably, vocal structure 40 includes earpiece 41 and loudspeaker 42；Ultrasonic transmitter 20 and ultrasonic receiver 30
It is integrated in earpiece 41 or loudspeaker 42 simultaneously.
The embodiment of the present invention is by being integrated in earpiece 41 simultaneously for ultrasonic transmitter 20 and ultrasonic receiver 30 or raising
In sound device 42, the arrangement space of device can be saved, cost is reduced.
Preferably, as shown in fig. 6, described device is display device；The display device includes display panel 50 and shell
60；Ultrasonic transmitter 20 and ultrasonic receiver 30 are arranged between 50 lateral surface of display panel and shell 60.
Display panel 50 can be to be shown using the touch-control of In cell (touch panel function is embedded into liquid crystal pixel)
Panel is also possible to the touch-control using On cell (touch panel function is embedded between colored filter substrate and polarizer)
Display panel.It is of course also possible to make external hanging type touch-control display panel.Wherein, display panel 50 can be liquid crystal display panel,
It can be organic electroluminescent LED display panel.
In addition, the side of display panel 50 is the face in addition to light-emitting surface and incidence surface.
The embodiment of the present invention by being arranged ultrasonic transmitter 20 and ultrasonic receiver 30, Lai Shixian in a display device
Detection to touch-control pressure, can influence to avoid electromagnetic field signal to accuracy and the sensitivity of touch-control pressure detecting, improve
User experience.
Preferably, described device further includes the processing module connecting with ultrasonic receiver 30；Processing module is used for super
Acoustic receiver connects the ultrasonic signal that 30 receive and is handled, to obtain pressure rank, and according to pressure rank control device
Carry out operation corresponding with pressure rank.
Wherein, each stage pressure can be carried out to corresponding, control device execution behaviour corresponding with pressure rank with specific function
Make, to realize corresponding function.
Exemplary, when judging that Δ P corresponds to first class pressure, processing module can control the letter at device amplification touch location
Breath.When judging that Δ P corresponds to secondary pressure, processing module can control device to return to homepage.When judging that Δ P corresponds to three-level pressure
When power, processing module can control device to carry out screen locking.
In addition, processing module can integrate on wiring board in said device, it is also possible to individual module.
Ultrasonic signal can be switched to signal strength and be obtained corresponding by the embodiment of the present invention by setting processing module
Strength Changes value Δ P judges the corresponding pressure rank of Δ P, so that control device executes operation corresponding with pressure rank.
The embodiment of the present invention also provides a kind of control method of device, as shown in Figure 7, which comprises
S10, the ultrasonic signal that ultrasonic transmitter 20 emits is received according to ultrasonic receiver 30, it is strong obtains ultrasonic wave
Spend P1.
S20, initial ultrasound intensity of wave P0 and ultrasonic intensity P1 are subtracted each other, obtains Strength Changes value Δ P；Wherein, initially
When ultrasonic intensity P0 is that device noumenon 10 is not pressed deformation, the intensity of the received ultrasonic signal of ultrasonic receiver 30.
For example, processing module can be arranged in a device, handle to obtain Strength Changes value Δ P by processing module.
S30, according to Strength Changes value Δ P, obtain pressure rank.
S40, operation corresponding with pressure rank is executed according to pressure rank control device.
The embodiment of the present invention provides a kind of control method of device, the ultrasonic signal emitted due to ultrasonic transmitter 20
It can be propagated in device noumenon 10, ultrasonic receiver 30 can receive the ultrasonic signal propagated through device noumenon 10, because
This, after device noumenon 10 is pressed deformation, ultrasonic receiver 30 can be received to be changed since device noumenon 10 deforms
Ultrasonic intensity, wherein with the difference of pressing dynamics and finger and 10 contact area of device noumenon, obtained ultrasonic wave
Intensity is not also identical, on this basis, by subtracting each other it with initial ultrasound intensity of wave, ultrasonic intensity changing value can be obtained,
According to ultrasonic intensity changing value corresponding pressure rank can be obtained, the detection to touch-control pressure is realized with this.Into
One step, operation corresponding with pressure rank is executed by control described device, can realize corresponding pressure touch function.
Wherein, since electromagnetic field signal can't generate interference to the intensity of ultrasonic signal, it can be very good to solve
It, can certainly in the prior art because electromagnetic field signal interferes, and the problem of lead to the accuracy and sensitivity decrease of touch-control pressure detecting
To improve user experience.
Preferably, when initial ultrasound intensity of wave P0 is that finger starts touching device ontology 10, ultrasonic receiver 30 is received
Ultrasonic signal intensity.
Wherein, when finger starts touching device ontology 10, device noumenon 10 has not occurred deformation, at this point, ultrasonic wave receives
The intensity of the received ultrasonic signal of device 30 be still device noumenon 10 not by compressive strain when intensity.
The embodiment of the present invention is by obtaining initial ultrasound intensity of wave P0, Ke Yishi when finger starts touching device ontology 10
Now to the calibration of initial ultrasound intensity of wave P0, avoid leading to initial ultrasound intensity of wave because of pad pasting outside device or use environment variation
P0 changes with respect to preset value, and influences the accuracy of Strength Changes value Δ P, to further increase pressure detecting
Accuracy.
Based on above-mentioned, it is preferred that according to Strength Changes value Δ P, obtain pressure rank, comprising:
According to Strength Changes value Δ P, judge whether Strength Changes value Δ P is greater than the first preset value.
If more than obtaining pressure rank according to Strength Changes value Δ P by searching for pressure rank table；Wherein, pressure stage
Strength Changes value Δ P and pressure rank have corresponding relationship in other table.
If being less than, to touch, without carrying out pressure value detection.
For the embodiment of the present invention by being first compared Δ P with the first preset value, can filter out not is to carry out pressure touching
The value of the Δ P of control can reduce obtain the other operand of pressure stage subsequently through Δ P in this way, arithmetic speed can be improved.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (8)
1. a kind of device with pressure touch function, including device noumenon, which is characterized in that further include ultrasonic transmitter and
Ultrasonic receiver；The side of described device ontology is arranged in the ultrasonic transmitter and the ultrasonic receiver；
The ultrasonic signal of the ultrasonic transmitter transmitting is propagated in described device ontology；The ultrasonic receiver receives
The ultrasonic signal propagated through described device ontology, so that being obtained according to the received ultrasonic signal of the ultrasonic receiver
Pressure rank, comprising: the ultrasonic signal that ultrasonic transmitter transmitting is received according to ultrasonic receiver obtains ultrasonic intensity
P1；Initial ultrasound intensity of wave P0 and the ultrasonic intensity P1 are subtracted each other, Strength Changes value Δ P is obtained, wherein is described initial super
When intensity of acoustic wave P0 is that device noumenon is not pressed deformation, the intensity of the received ultrasonic signal of ultrasonic receiver；Root
According to the Strength Changes value Δ P, judge whether the Strength Changes value Δ P is greater than the first preset value；If more than according to described strong
Changing value Δ P is spent, by searching for the Strength Changes value Δ P of the storage of portion in the device and the pressure rank of pressure rank corresponding relationship
Table obtains pressure rank, wherein Strength Changes value Δ P and pressure rank have corresponding relationship in the pressure rank table；
Described device is display device；The display device includes display panel and shell；The display panel will including using
Touch panel function is embedded into the touch-control display panel in liquid crystal pixel, or is embedded into colored filter using by touch panel function
Touch-control display panel between mating plate substrate and polarizer；
Described device further includes vocal structure；The ultrasonic transmitter and the ultrasonic receiver are integrated in the sounding knot
In structure；The vocal structure includes earpiece and loudspeaker；The ultrasonic transmitter and the ultrasonic receiver integrate respectively
In the earpiece and the loudspeaker, alternatively, the ultrasonic transmitter and the ultrasonic receiver are integrated in institute simultaneously
It states in earpiece or the loudspeaker.
2. the apparatus according to claim 1, which is characterized in that the ultrasonic transmitter and the ultrasonic receiver point
It is located at the opposite sides of described device ontology.
3. the apparatus according to claim 1, which is characterized in that the ultrasonic transmitter and the ultrasonic receiver are set
It sets in the same side of described device ontology.
4. the apparatus according to claim 1, which is characterized in that the earpiece and the loudspeaker set up separately in described device sheet
The opposite sides of body.
5. the apparatus according to claim 1, which is characterized in that the ultrasonic transmitter and the ultrasonic receiver are set
It sets between the display panel lateral surface and the shell.
6. the apparatus according to claim 1, which is characterized in that further include the processing mould being connect with the ultrasonic receiver
Block；The ultrasonic signal that the processing module is used to receive the ultrasonic receiver is handled, to obtain pressure stage
Not, and described device is controlled according to the pressure rank and carries out operation corresponding with the pressure rank.
7. a kind of control method of any one of such as claim 1-6 described device characterized by comprising
The ultrasonic signal that ultrasonic transmitter transmitting is received according to ultrasonic receiver, obtains ultrasonic intensity P1；
Initial ultrasound intensity of wave P0 and the ultrasonic intensity P1 are subtracted each other, Strength Changes value Δ P is obtained；Wherein, described initial
When ultrasonic intensity P0 is that device noumenon is not pressed deformation, the intensity of the received ultrasonic signal of ultrasonic receiver；
According to the Strength Changes value Δ P, pressure rank is obtained；
Described device, which is controlled, according to the pressure rank executes operation corresponding with the pressure rank；
According to the Strength Changes value Δ P, pressure rank is obtained, comprising: according to the Strength Changes value Δ P, judge described strong
Whether degree changing value Δ P is greater than the first preset value；If more than according to the Strength Changes value Δ P, by searching for portion in the device
The Strength Changes value Δ P of storage and the pressure rank table of pressure rank corresponding relationship, obtain pressure rank；Wherein, the pressure
Strength Changes value Δ P and pressure rank have corresponding relationship in rank table.
8. control method according to claim 7, which is characterized in that the initial ultrasound intensity of wave P0 is that finger starts to touch
When touching described device ontology, the intensity of the received ultrasonic signal of ultrasonic receiver.
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| CN201610629514.2A CN106293219B (en) | 2016-08-03 | 2016-08-03 | A kind of device and its control method with pressure touch function |
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| CN201610629514.2A CN106293219B (en) | 2016-08-03 | 2016-08-03 | A kind of device and its control method with pressure touch function |
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| CN106293219B true CN106293219B (en) | 2019-09-06 |
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| CN111579134A (en) * | 2020-04-22 | 2020-08-25 | 欧菲微电子技术有限公司 | Ultrasonic pressure detection module, detection method thereof and electronic equipment |
| TWI739651B (en) | 2020-11-05 | 2021-09-11 | 華碩電腦股份有限公司 | Electronic device and touch control method thereof |
| CN113467641A (en) * | 2021-07-01 | 2021-10-01 | 维沃移动通信有限公司 | Display screen module, electronic equipment, pressing operation detection method and device |
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| CN104756054A (en) * | 2012-07-26 | 2015-07-01 | 苹果公司 | Force detection by an ultrasound sensor |
| WO2014081721A1 (en) * | 2012-11-21 | 2014-05-30 | The Board Of Trustees Of The Leland Stanford Junior University | A multi-touch ultrasonic touch screen |
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