CN106200903A - Touch screen haptic feedback mechanism and feedback method - Google Patents
Touch screen haptic feedback mechanism and feedback method Download PDFInfo
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- CN106200903A CN106200903A CN201610478757.0A CN201610478757A CN106200903A CN 106200903 A CN106200903 A CN 106200903A CN 201610478757 A CN201610478757 A CN 201610478757A CN 106200903 A CN106200903 A CN 106200903A
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- 230000008713 feedback mechanism Effects 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000002463 transducing effect Effects 0.000 claims abstract description 160
- 238000002604 ultrasonography Methods 0.000 claims abstract description 141
- 230000008447 perception Effects 0.000 abstract description 9
- 230000010355 oscillation Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 6
- 208000031481 Pathologic Constriction Diseases 0.000 description 3
- 210000001215 vagina Anatomy 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 210000004556 brain Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004899 motility Effects 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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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
- G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
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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
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- User Interface Of Digital Computer (AREA)
Abstract
The present invention relates to a kind of touch screen haptic feedback mechanism and feedback method, this device includes: touch screen, the first transducing emitter, the second transducing emitter and transducing receptor；First transducing emitter is for the surface emitting ultrasound wave towards first direction along touch screen；Transducing receptor is for receiving the ultrasound wave launched by the first transducing emitter；Second transducing emitter is in time there is decay in the intensity ultrasound wave of the first transducing emitter being detected at transducing receptor, towards second direction along the surface emitting ultrasound wave of touch screen；Difference on the frequency between ultrasound wave and the ultrasound wave of the second transducing emitter that first transducing emitter is launched is 40Hz to 1000Hz.After receiving touch command, when detecting the strength retrogression of the ultrasound wave that the first transducing emitter is launched, the ultrasound wave superimposed with the ultrasound wave of the first emitter launched by second transducing emitter, the frequency that two ultrasound wave superpositions produce is on the frequency of vibration of human body sensing so that user can the vibrational feedback of perception touch screen.
Description
Technical field
The present invention relates to technical field of touch control, particularly relate to add touch screen haptic feedback mechanism and feedback method.
Background technology
Along with the development of touch technology, the electronic equipment with touch screen is widely used, such as mobile phone, flat board electricity
Brain, TV or computer display etc..The touch screen of major part electronic equipment only rings when receiving touch command at present
Touch command is answered to perform, and the change of screen display content, the not touch screen of the electronic equipment physics feedback to user,
User do not see screen or unmindful in the case of, it is impossible to know operating result, and then make operating effect the best.
Summary of the invention
Based on this, it is necessary to for conventional touch screen, touch command is lacked physical feedback so that operating effect is the best
Technical problem, it is provided that a kind of touch screen haptic feedback mechanism and feedback method, it is possible to touch command is carried out physical feedback so that
Operating effect is more preferably.
A kind of touch screen haptic feedback mechanism, including: touch screen, the first transducing emitter, the second transducing emitter and change
Can receptor；
Described first transducing emitter is for the surface emitting ultrasound wave towards first direction along described touch screen；
Described transducing receptor is for receiving the ultrasound wave launched by described first transducing emitter；
Described second transducing emitter for detecting the ultrasound wave of the first transducing emitter at described transducing receptor
When intensity occurs decay, towards second direction along the surface emitting ultrasound wave of described touch screen；
The ultrasound wave that described first transducing emitter is launched is superimposed with the ultrasound wave of described second transducing emitter, and institute
State first transducing emitter launch ultrasound wave and the ultrasound wave of described second transducing emitter between difference on the frequency be 40Hz extremely
1000Hz。
In one embodiment, described first direction is parallel to described touch screen.
In one embodiment, described second direction is perpendicular to described first direction.
In one embodiment, described touch screen is rectangular touch screen.
In one embodiment, multiple first reflection strip it is tiltedly installed with inside described touch screen, with setting
Have inside the parallel described touch screen another side in the limit of multiple described first reflection strip and be tiltedly installed with multiple second reflection bar
Stricture of vagina, the setting contrary or identical with the incline direction of described second reflection strip of described first reflection strip,
Described first transducing emitter is parallel to the described touch screen being provided with described first reflection strip specifically for edge
An edge described in the surface emitting ultrasound wave of touch screen,
Described first reflection strip and described second reflection strip are ultrasonic for launched by described first transducing emitter
Wave reflection is to described transducing receptor.
In one embodiment, the angle of inclination of described first reflection strip is 45 °, the inclination of described second reflection strip
Angle is 135 °.
In one embodiment, described first transducing emitter and described transducing receptor are arranged at and are perpendicular to be provided with
The same one side on one side of the described touch screen of one reflection strip.
In one embodiment, described second transducing emitter is additionally operable to the first transducing be detected at described transducing receptor
When the intensity of the ultrasound wave of emitter occurs decay, towards second direction along the surface emitting ultrasound wave of described touch screen, and in advance
If after the time, stop launching ultrasound wave.
A kind of touch screen tactile feedback method, including:
Towards first direction along the first ultrasound wave of the surface emitting of described touch screen；
Receive described first ultrasound wave；
Detect the intensity of described first ultrasound wave；
When the intensity of described first ultrasound wave occurs decay, towards second direction along the surface emitting of described touch screen and institute
State second ultrasound wave that difference on the frequency is 40Hz to 1000Hz of the first ultrasound wave, so that described second ultrasound wave the first surpasses with described
Sound wave superposition.
In one embodiment, further comprise the steps of: when the intensity of described first ultrasound wave occurs decay
Obtain the attenuation range of the first ultrasound wave；
Control instruction is obtained according to described attenuation range.
Above-mentioned touch screen haptic feedback mechanism, after receiving touch command, detects the first transducing at transducing receptor and sends out
During the strength retrogression of ultrasound wave that emitter is launched, the second transducing emitter is launched superimposed super with the ultrasound wave of the first emitter
Sound wave so that the frequency of two ultrasound wave superposition generations is on the frequency of vibration of human body sensing, and then allows users to perception
The vibrational feedback of touch screen so that the operating effect of user is more preferably.
Accompanying drawing explanation
Figure 1A is the first transducing emitter working state schematic representation of the touch screen haptic feedback mechanism of an embodiment；
Figure 1B is the second transducing emitter working state schematic representation of the touch screen haptic feedback mechanism of an embodiment；
Fig. 2 is the structural representation of the touch screen haptic feedback mechanism of another embodiment；
Fig. 3 is the structural representation of the touch screen haptic feedback mechanism of another embodiment；
Fig. 4 A is the application scenarios schematic diagram of the touch screen haptic feedback mechanism of another embodiment；
Fig. 4 B is that the intensity of certain a line ripple of the touch screen haptic feedback mechanism of another embodiment is illustrated with time shaft relation
Figure；
Fig. 5 A is the schematic flow sheet of the touch screen tactile feedback method of an embodiment；
Fig. 5 B is the schematic flow sheet of the touch screen tactile feedback method of another embodiment.
Detailed description of the invention
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.In accompanying drawing
Give presently preferred embodiments of the present invention.But, the present invention can realize in many different forms, however it is not limited to institute herein
The embodiment described.On the contrary, providing the purpose of these embodiments is to make the understanding to the disclosure more thorough
Comprehensively.
As shown in Figure 1A, in one embodiment, it is provided that a kind of touch screen 100 haptic feedback mechanism, including touch screen
100, the first transducing emitter the 110, second transducing emitter 120 and transducing receptor 130, the first transducing emitter 110, second
Transducing emitter 120 and transducing receptor 130 may be contained within the lower surface of touch screen 100, the i.e. upper surface of touch screen 100 and be used for
Display and touch-control, described first transducing emitter 110 is for ultrasonic towards first direction along the surface emitting of described touch screen 100
Ripple；Described transducing receptor 130 is for receiving the ultrasound wave launched by described first transducing emitter 110；Described second transducing
Emitter 120 is decayed for the intensity ultrasound wave of the first transducing emitter 110 being detected at described transducing receptor 130
Time, towards second direction along the surface emitting ultrasound wave of described touch screen 100；It is ultrasonic that described first transducing emitter 110 is launched
Ripple is superimposed with the ultrasound wave of described second transducing emitter 120, and described first transducing emitter 110 launch ultrasound wave with
Difference on the frequency between the ultrasound wave of described second transducing emitter 120 is 40Hz to 1000Hz.
After receiving touch command, detect the ultrasound wave of the first transducing emitter 110 transmitting at transducing receptor 130
During strength retrogression, the ultrasound wave superimposed with the ultrasound wave of the first emitter launched by the second transducing emitter 120 so that two surpass
The frequency that sound wave superposition produces is on the frequency of vibration of human body sensing, and then allows users to the vibration of perception touch screen 100
Feedback so that the operating effect of user is more preferably.
In the present embodiment, also include control module, control module respectively with first transducing emitter the 110, second transducing
Emitter 120 and transducing receptor 130 electrically connect, and control module is for controlling first transducing emitter the 110, second transducing respectively
Emitter 120 and transducing receptor 130 work, and such as, this control module is the mainboard of electronic equipment, and this control module is master control
Chip.Such as, control module controls the first transducing emitter 110 and launches ultrasound wave, and such as, transducing receptor 130 have received super
After sound wave, ultrasound wave is converted to the signal of telecommunication and feeds back to control module, such as, when transducing receptor 130 detects the strong of ultrasound wave
After degree decay, then deamplification is sent to control module so that control module controls the second transducing according to deamplification and launches
Device 120 works, and the control instruction of the second transducing emitter 120 response module launches ultrasound wave.
Concrete, the first transducing emitter 110 and the second transducing emitter 120 all drive module by telecommunications by ultrasound wave
Number being converted to ultrasonic emitting, operationally, as shown in Figure 1A, the first transducing emitter 110 is sent out continuously along touch screen 100 surface
Penetrate ultrasound wave, it is worth mentioning at this point that, the first transducing emitter 110 launches ultrasound wave, example continuously along the lower surface of touch screen 100
As, the ultrasonic frequency that the first transducing emitter 110 is launched is more than 20kHz, owing to the frequency of ultrasound wave is higher, and human ear sense
The frequency range known is 20Hz-20kHz, and the perceived frequency scope that human body is to vibrating is 20Hz-500Hz, and therefore, human body cannot
The ultrasound wave that perception the first transducing emitter 110 is launched, user will not be caused by the ultrasound wave that the first transducing emitter 110 is launched
Impact.
When user clicks on or touches the upper surface of touch screen 100, the energy of portion of ultrasonic sound wave will be absorbed by the body, this
Sample, causes the decay of the intensity of the click location of touch screen 100 correspondence or the ultrasound wave of position of touch, as shown in Figure 1B, when
When transducing receptor 130 detects the strength retrogression of ultrasound wave, ultrasound wave launched by the second transducing emitter 120, and such as, second changes
The ultrasonic frequency that energy emitter 120 is launched is that two ultrasound wave superpositions, the ultrasonic frequency after superposition is people more than 20k Hz
In body perceived frequency scope 20Hz-500Hz to vibration, the vibration of ultrasound wave is delivered to human body by touch screen 100, therefore,
Human body can perceive the vibration of touch screen 100, so that user obtains the physical feedback of touch screen 100.
In the present embodiment, the amplitude of the ultrasound wave that the first transducing emitter 110 is launched is A, and frequency is ω0, then time
Carving t, the phase place of the ultrasound wave of the first transducing emitter 110 is:
a0=A cos ω0t
The amplitude of the ultrasound wave that the second transducing emitter 120 is launched is A, and frequency is ω1, then at moment t, the first transducing is sent out
The phase place of the ultrasound wave of emitter 110 is:
a1=A cos ω1t
The vibration Overlay that then two train waves produce in intersection is a=a0+a1=A cos ω0t+A cosω1T, passes through
Obtain after long-pending with differenceization in intersection phase place expression formula be:
As can be seen from the above the vibrating effect that two ultrasound wave superpositions produce be equal to one have simultaneously withMake
The higher-order of oscillation and withMake the sound wave of low-frequency oscillation, owing to human body is 20Hz-500Hz to the sensing range of frequency of vibration, and
First transducing emitter 110 is launched and the second transducing emitter 120 is launched is ultrasound wave, therefore the higher-order of oscillationIt is people
Body cannot experience vibration, and in low-frequency oscillationOn, can be launched by suitably regulation the first transducing emitter 110 and
The frequency of the ultrasound wave that the second transducing emitter 120 is launched, makesFall in the range of 20Hz to 500Hz, ω0-ω1Scope
For 40Hz to 1000Hz, the ultrasound wave that the most described first transducing emitter 110 is launched is super with described second transducing emitter 120
Difference on the frequency between sound wave is 40Hz to 1000Hz, then can make low-frequency oscillation by human perception, in the present embodiment, described first
Difference on the frequency between ultrasound wave and the ultrasound wave of described second transducing emitter 120 that transducing emitter 110 is launched is 500Hz,
Such as, the ultrasonic frequency that the first transducing emitter 110 is launched is 30.5kHz, the ultrasound wave that the second transducing emitter 120 is launched
Frequency is 30kHz, therefore, can produce the low-frequency oscillation of 250Hz after two row ultrasound wave superpositions, and this frequency can make human perception arrive
Vibration, so that user obtains touch-control feedback from touch screen 100.
In one embodiment, described first direction is parallel to described touch screen 100, as shown in Figure 1A, described
First transducing emitter 110 is parallel to the first direction on one side of described touch screen 100 along described touch screen 100 specifically for court
Surface emitting ultrasound wave, such as, as shown in Figure 1B, described second direction is perpendicular to described first direction.
In the present embodiment, as shown in FIG. 1A and 1B, touch screen 100 is rectangle, and the first transducing emitter 110 is arranged at
One side of this rectangular touch screen 100, such as, the first transducing emitter 110 is arranged at the first limit of touch screen 100, and transducing receives
Device 130 is arranged on the opposite side on one side that touch screen 100 is provided with the first transducing emitter 110, and transducing receptor 130 is arranged at
Second limit of touch screen 100, the i.e. first transducing emitter 110 is arranged at two that touch screen 100 is relative with transducing receptor 130
Bian Shang, what ultrasound wave launched by the first transducing emitter 110 is oriented parallel to touch screen 100, the second transducing emitter 120
Being arranged on the another side being perpendicular to be provided with one side of the first transducing emitter 110, it is super that the second transducing emitter 120 is launched
The direction of sound wave is perpendicular to the first transducing emitter 110 and launches the direction of ultrasound wave, and so, two ultrasound wave can be more fully
Ground covers the surface of touch screen 100, when user clicks on or touch touch screen 100, and the second transducing emitter 120 triggers and starts,
Two row ultrasound wave superpositions, producing human body can the low-frequency oscillation of perception so that user obtains the feedback of touch screen 100.
In a further embodiment, as in figure 2 it is shown, described touch screen 100 is rectangular touch screen 100, such as, described touch-control
It is tiltedly installed with multiple first reflection strip 140 inside one side of screen 100, and is provided with multiple described first reflection strip 140
Parallel described touch screen 100 another side in limit inside be tiltedly installed with multiple second reflection strip 150, described first reflection bar
The incline direction of stricture of vagina 140 and described second reflection strip 150 is reversed, and described first transducing emitter 110 is specifically for edge
It is parallel to be provided with the surface emitting of touch screen 100 described in an edge of the described touch screen 100 of described first reflection strip 140
Ultrasound wave, described first reflection strip 140 and described second reflection strip 150 are for by described first transducing emitter 110
The ultrasonic reflections penetrated is to described transducing receptor 130.
In the present embodiment, referring again to Fig. 2, described first transducing emitter 110 and described transducing receptor 130 are arranged
In being perpendicular to be provided with the same one side on one side of the described touch screen 100 of the first reflection strip 140, specifically, the first reflection bar
Stricture of vagina 140 is arranged at the first limit 101 of touch screen 100, and the second reflection strip 150 is arranged at the second limit 102 of touch screen 100, the
One transducing emitter the 110, second transducing emitter 120 and transducing receptor 130 may be contained within the 3rd limit 103 of touch screen 100,
3rd limit 103 is vertical with the first limit 101 and the second limit 102 respectively, and the first transducing emitter 110 is provided for the first limit 101
With the angle on the 3rd limit 103, transducing receptor 130 is arranged at the second limit 102 and angle on the 3rd limit 103.
So, tactile without being simultaneously located at transducing receptor 130 due to the first transducing emitter 110 of touch screen 100
On two relative limits of control screen 100, it is possible to effectively save space so that the reduction of the border width of touch screen 100.
So that improve the first reflection strip 140 and reflection precision of the second reflection strip 150 so that the first transducing is sent out
The ultrasound wave that emitter 110 is launched can be received by transducing receptor 130 completely, such as, and the inclination of described first reflection strip 140
Angle is 45 °, and the angle of inclination of described second reflection strip 150 is 135 °, such as, and the first reflection strip 140 and the first limit 101
Between angle be 45 °, described second reflection strip 150 and angle between the second limit be 135 °, so, the first transducing is sent out
The ultrasound wave that emitter 110 is launched is launched, through multiple first reflection strips 140 towards the first edge direction being parallel to touch screen 100
Reflection, ultrasound wave changes and continues to propagate to the direction being perpendicular to the first limit, and be covered in the surface of touch screen 100, works as ultrasound wave
After traveling to the second reflection strip 150, through the reflection of the second reflection strip 150, ultrasound wave changes the direction of propagation again, with parallel
Propagate, until propagating to transducing receptor 130 with the direction on the first limit.
In a further embodiment, as it is shown on figure 3, described first reflection strip 140 and described second reflection strip 150
The identical setting of incline direction, described first transducing emitter 110 and described transducing receptor 130 are arranged at and are perpendicular to be provided with
Different two opposite side on one side of the described touch screen 100 of one reflection strip 140, in the present embodiment, the first reflection strip
140 the first limits 101 being arranged at touch screen 100, the second reflection strip 150 is arranged at the second limit 102 of touch screen 100, and the 3rd
Limit 103 and the 4th limit 104 are the two articles of limits being oppositely arranged, and the 3rd limit 103 is all vertical with the first limit with the 4th limit 104, and first changes
Can be provided for the first limit 101 and angle on the 3rd limit 103 by emitter 110, transducing receptor 130 is arranged at the second limit 102
Angle with the 4th limit 104.So, space can effectively be saved equally so that the border width on the first limit and the second limit subtracts
Little.
In order to avoid the normal operating of user is impacted by low-frequency oscillation, in one embodiment, described second transducing
Emitter 120 is additionally operable to detect that the intensity of ultrasound wave of the first transducing emitter 110 declines at described transducing receptor 130
When subtracting, towards second direction along the surface emitting ultrasound wave of described touch screen 100, and after Preset Time, stop launching ultrasound wave,
Such as, Preset Time is 100 μ s～1000 μ s, and such as, Preset Time is 200 μ s～500 μ s, it is preferable that Preset Time is 350
μ s, so, when user clicks on or touch touch screen 100, and the low-frequency oscillation that two row ultrasound wave produce is fed back by touch screen 100
To user, after 350 microseconds, the second transducing emitter 120 stops launching ultrasound wave so that low-frequency oscillation disappears, it is to avoid low frequency
Duration of oscillation is long and causes operation discomfort.
As shown in Figure 5A, in one embodiment, a kind of touch screen tactile feedback method is also provided for, including:
Step 502, towards first direction along the first ultrasound wave of the surface emitting of described touch screen.
In the present embodiment, first ultrasonic towards first direction along the surface emitting of described touch screen of the first transducing emitter
Ripple.
Step 504, receives described first ultrasound wave.
Specifically, transducing receptor receives the first ultrasound wave launched by the first transducing emitter.
Step 506, detects the intensity of described first ultrasound wave.
Specifically, the first ultrasound wave is used for detecting whether touch screen receives touch command.Intensity when the first ultrasound wave
When there is decay, show that user clicks on or touches touch screen, cause portion of ultrasonic sound wave energy to be absorbed by the body, the first ultrasound wave
Intensity decays, and now touch screen receives the touch command of user.
Step 508, when the intensity of described first ultrasound wave occurs decay, towards second direction along the surface of described touch screen
Launch the second ultrasound wave that difference on the frequency is 40Hz to 1000Hz with described first ultrasound wave so that described second ultrasound wave with
Described first ultrasound wave superposition.
Specifically, when the intensity the first ultrasound wave being detected decays, i.e. touch screen receives the touch command of user
Time, the second transducing emitter is towards second direction along the surface emitting ultrasound wave of described touch screen, in the present embodiment, second direction
Vertical with first direction, the difference on the frequency of the second ultrasound wave and the first ultrasound wave is 40Hz to 1000Hz, it is preferable that the second ultrasound wave
Being 500Hz with the difference on the frequency of the first ultrasound wave, so, the second ultrasound wave and the first ultrasound wave superposition produce the low frequency vibration of mechanical wave
Swinging frequency is 250Hz, in the range of can be by the 20Hz to 500Hz of human perception, can be by human perception, therefore so that user obtains
Obtain the vibrational feedback of touch screen.
In one embodiment, as shown in Figure 5 B, also include after step 408:
Step 510, after Preset Time, stops launching described second ultrasound wave.
In the present embodiment, when stopping launching after the second ultrasound wave, low-frequency oscillation disappears, the i.e. first ultrasound wave and the second surpassing
The low-frequency oscillation that sound wave superposition produces maintains and disappears after Preset Time, is avoided that the low-frequency oscillation persistent period is long and causes operation
Discomfort, an embodiment is, Preset Time is 100 μ s～1000 μ s, and such as, Preset Time is 200 μ s～500 μ s, it is preferable that
Preset Time is 350 μ s, and the vibrational feedback i.e. triggered due to the touch command of user disappears after maintaining 350 microseconds.
In one embodiment, step 508 also includes: obtain the attenuation range of the first ultrasound wave；According to described decay model
Enclose acquisition control instruction.
In the present embodiment, attenuation range is the position range of the decay of ultrasound wave corresponding on touch screen, specifically, as
Shown in Figure 1A, when the first ultrasound wave launched by the first transducing emitter 110, and the first ultrasound wave is received by transducing receptor 130, can be by
First ultrasound wave regards the ultrasound wave of n row as, for representing the position of correspondence on touch screen 100, as in figure 2 it is shown, the first transducing
The first ultrasound wave that emitter 110 is launched is through the reflection of the first reflection strip 140, along the 3rd limit 103 being parallel to touch screen 100
Propagate to the second reflection strip 150, when the first ultrasound wave is propagated along touch screen 100 surface, equally regard the ultrasonic of n row as
Ripple is propagated, and for representing the position of correspondence on touch screen 100, incorporated by reference to Fig. 2 and Fig. 4 A, transducing receptor 130 receives n edge
First edge direction can get according to the time shaft received through the sound wave of the different multipath tolerant of length, transducing receptor 130
Waveform situation before n row ripple superposition, i.e. can detect that the intensity of every a line ripple in n row ripple.The most touched at touch screen 100
When, the waveform that transducing receptor 130 receives remains unchanged.When touch screen 100 is touched, contact site is corresponding
Sound wave will be absorbed by the body portion of energy, make waveform a decay occur, and transducing receptor 130 is obtained by the Time Calculation decayed
Go out first ultrasound wave attenuation range on touch screen 100 of correspondence, as shown in Figure 4 A and 4 B shown in FIG., such as, by receive time
It is that P-1 walks to P+1 row that countershaft calculates the attenuation range on the touch screen 100 of correspondence, obtains first control instruction of user,
Such as, when attenuation range is P row, obtain second control instruction of user, such as, when attenuation range is that P-1 walks to P
OK, obtain user the 3rd control instruction, such as, the first control instruction is duplicate instructions, the second control instruction for pasting instruction,
3rd control instruction is popup menu instruction, so, is obtained in that different control instructions, example by different attenuation ranges
As, obtain control instruction according to the corresponding relation of attenuation range size with control instruction, so, it is achieved that at different touch-control models
Enclose and get different control instructions, improve the motility of user input instruction.
Should be noted that in said system embodiment, included modules simply carries out drawing according to function logic
Point, but it is not limited to above-mentioned division, as long as being capable of corresponding function；It addition, each functional module is concrete
Title also only to facilitate mutually distinguish, is not limited to protection scope of the present invention.
It addition, one of ordinary skill in the art will appreciate that all or part of step realizing in the various embodiments described above method
The program that can be by completes to instruct relevant hardware, and corresponding program can be stored in read/write memory medium.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, not to above-mentioned reality
The all possible combination of each technical characteristic executed in example is all described, but, as long as the combination of these technical characteristics is not deposited
In contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed, but also
Can not therefore be construed as limiting the scope of the patent.It should be pointed out that, come for those of ordinary skill in the art
Saying, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a touch screen haptic feedback mechanism, it is characterised in that including: touch screen, the first transducing emitter, the second transducing are sent out
Emitter and transducing receptor；
Described first transducing emitter is for the surface emitting ultrasound wave towards first direction along described touch screen；
Described transducing receptor is for receiving the ultrasound wave launched by described first transducing emitter；
Described second transducing emitter for detecting the intensity of the ultrasound wave of the first transducing emitter at described transducing receptor
When there is decay, towards second direction along the surface emitting ultrasound wave of described touch screen；
The ultrasound wave that described first transducing emitter is launched is superimposed with the ultrasound wave of described second transducing emitter, and described the
One transducing emitter launch ultrasound wave and the ultrasound wave of described second transducing emitter between difference on the frequency be 40Hz extremely
1000Hz。
Touch screen haptic feedback mechanism the most according to claim 1, it is characterised in that described first direction is parallel to described
One side of touch screen.
Touch screen haptic feedback mechanism the most according to claim 2, it is characterised in that described second direction is perpendicular to described
First direction.
Touch screen haptic feedback mechanism the most according to claim 1, it is characterised in that described touch screen is rectangular touch
Screen.
Touch screen haptic feedback mechanism the most according to claim 1, it is characterised in that roll in described touch screen
Tiltedly be provided with multiple first reflection strip, the described touch screen parallel with the limit being provided with multiple described first reflection strip another
Multiple second reflection strip, described first reflection strip and the incline direction of described second reflection strip it is tiltedly installed with inside limit
Contrary or identical setting,
Described first transducing emitter is specifically for along being parallel to be provided with the one of the described touch screen of described first reflection strip
The surface emitting ultrasound wave of touch screen described in edge,
Described first reflection strip and described second reflection strip are anti-for the ultrasound wave launched by described first transducing emitter
It is incident upon described transducing receptor.
Touch screen haptic feedback mechanism the most according to claim 5, it is characterised in that the inclination of described first reflection strip
Angle is 45 °, and the angle of inclination of described second reflection strip is 135 °.
Touch screen haptic feedback mechanism the most according to claim 5, it is characterised in that described first transducing emitter and institute
State same one side that transducing receptor is arranged at the one side of the described touch screen being perpendicular to be provided with the first reflection strip.
Touch screen haptic feedback mechanism the most according to claim 1, it is characterised in that described second transducing emitter is also used
In time detecting that at described transducing receptor the intensity of ultrasound wave of the first transducing emitter occurs decay, towards second direction along institute
State the surface emitting ultrasound wave of touch screen, and after Preset Time, stop launching ultrasound wave.
9. a touch screen tactile feedback method, it is characterised in that including:
Towards first direction along the first ultrasound wave of the surface emitting of described touch screen；
Receive described first ultrasound wave；
Detect the intensity of described first ultrasound wave；
When the intensity of described first ultrasound wave occurs decay, towards second direction along the surface emitting of described touch screen and described the
The difference on the frequency of one ultrasound wave is second ultrasound wave of 40Hz to 1000Hz, so that described second ultrasound wave and described first ultrasound wave
Superposition.
Touch screen tactile feedback method the most according to claim 9, it is characterised in that strong when described first ultrasound wave
Degree occurs to further comprise the steps of: during decay
Obtain the attenuation range of the first ultrasound wave；
Control instruction is obtained according to described attenuation range.
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