CN110226151A - Wearable ultrasound haptic feedback system - Google Patents
Wearable ultrasound haptic feedback system Download PDFInfo
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- CN110226151A CN110226151A CN201680091487.6A CN201680091487A CN110226151A CN 110226151 A CN110226151 A CN 110226151A CN 201680091487 A CN201680091487 A CN 201680091487A CN 110226151 A CN110226151 A CN 110226151A
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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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- Engineering & Computer Science (AREA)
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Abstract
The wearable ultrasonic haptic feedback system of one kind includes: substrate layer；Array of ultrasonic transmitters layer is located above the substrate layer, and it includes multiple ultrasonic transmitters；Switch array layer is located at below the substrate layer, and it includes multiple converters；First control unit is connected with the array of ultrasonic transmitters layer；Radio frequency receiver is connected with the first control unit；Second control unit is connected with the switch array layer；And radiofrequency launcher, it is connected with second control unit.The multiple ultrasonic transmitter emits the ultrasonic signal of a predeterminated frequency respectively under the control of the first control unit.The multiple converter senses ultrasonic signal under the control of second control unit respectively and is converted into an electric signal.The electric signal is passed through the emission of radio frequency signals of a predeterminated frequency by the radiofrequency launcher.The radio frequency receiver receives the radiofrequency signal of the radiofrequency launcher transmitting, and reduction obtains the electric signal from the radiofrequency signal.
Description
[technical field]
Present patent application relates in general to human-computer interaction technology, and relates more specifically to a kind of wearable ultrasonic touch feedback
System.
[background technique]
Existing man-machine interactive system typically relies on visual perception and realizes feedback.Such as using traditional screen display
Or when touch screen, thus user judges the operation of next step by the instruction or confirmation mark in vision capture to screen.
However, visual feedback is unable to satisfy the needs of concrete application in many occasions.For example, driver is by view in driving procedure
Feel operation GPS navigation system, sight is transferred to screen by carriage way, constitutes security risk.Again for example under strong illumination,
User is difficult to see the content that screen is shown clearly.And for there is the personage of vision disorder, though under ordinary ray environment, also without
Method uses the feedback of view-based access control model.On the other hand, as the perceptible feedback system of human-computer interaction important foundation, in many applied fields
Under scape, it is all requested to have sufficiently high accuracy and resolution ratio.Some existing feedback systems for not depending on visual feedback,
Its application is restricted because accuracy and resolution ratio are lower.Therefore, it is necessary to providing one kind does not depend on vision, and have compared with
High accuracy and high-resolution perceptible feedback system, to adapt to realize the needs of human-computer interaction under different application scene.
[summary of the invention]
Present patent application provides a kind of wearable ultrasonic haptic feedback system.In one embodiment, a kind of wearable super
Sound haptic feedback system includes: substrate layer；Array of ultrasonic transmitters layer is located above the substrate layer, and it includes multiple ultrasounds
Transmitter；First adhesive-layer, between the array of ultrasonic transmitters layer and the substrate layer, for bonding the two；Conversion
Device array layer is located at below the substrate layer, and it includes multiple converters；Second adhesive-layer, be located at the substrate layer with it is described
Between switch array layer, for bonding the two；First control unit is connected with the array of ultrasonic transmitters layer；Radio frequency connects
Device is received, is connected with the first control unit；Second control unit is connected with the switch array layer；Radiofrequency launcher, with
Second control unit is connected；Coating is covered in except the array of ultrasonic transmitters layer and the switch array layer,
Each radiofrequency launcher and each radio frequency receiver are located at the switch array layer and the ultrasonic transmitter battle array
The surface of column layer, and closed by the coating, which is made of the material with electromagnetic shielding characteristic；And display dress
It sets, is connected with the first control unit, for showing the signal strength of the radio frequency receiver received signal.The conversion
The thickness of device array layer is less than the thickness of the array of ultrasonic transmitters layer.The multiple ultrasonic transmitter is in first control
Emit the ultrasonic signal of a predeterminated frequency under the control of unit respectively.The multiple converter is in second control unit
Ultrasonic signal is sensed under control respectively and is converted into an electric signal.The radiofrequency launcher is pre- by one by the electric signal
If the emission of radio frequency signals of frequency.The radio frequency receiver receives the radiofrequency signal of the radiofrequency launcher transmitting, and penetrates from this
Reduction obtains the electric signal in frequency signal.Second control unit selects any conversion in the switch array layer
Device, as selected converter.It is super that the first control unit gradually controls each of described array of ultrasonic transmitters layer
Acoustic transmitter transmitting one calibration ultrasonic signal, the calibration ultrasonic signal propagate to the selected converter by its sensing and thus
Generate sensing electric signals.The sensing electric signals are under the control of second control unit, by the radiofrequency launcher with radio frequency
The mode of signal issues, and is received by the radio frequency receiver.The first control unit receives the radio frequency receiver
Sensing electric signals do time reversal transformation, and store obtained electric signal waveform after the transformation.Super corresponding to each
The transformed electric signal waveform of acoustic transmitter is stored in after the first control unit, and the first control unit is with it
The electric signal waveform of storage respectively drives corresponding each ultrasonic transmitter simultaneously, so that being issued by each ultrasonic transmitter
Ultrasonic wave converge at the position of the selected converter, and thus stimulate the tactile of user.
When the signal strength that the display device is shown is lower than a preset threshold, the first control unit can be again
Gradually control one calibration ultrasonic signal of each of array of ultrasonic transmitters layer ultrasonic transmitter transmitting, calibration ultrasound
Signal propagates to the selected converter and is sensed by it and thus generate sensing electric signals, and the sensing electric signals are described second
It under the control of control unit, is issued in a manner of radiofrequency signal by the radiofrequency launcher, and is received by the radio frequency receiver,
The sensing electric signals that the radio frequency receiver receives are done time reversal transformation by the first control unit, and store the transformation
Obtained electric signal waveform afterwards.
In another embodiment, a kind of wearable ultrasonic haptic feedback system includes: substrate layer；Array of ultrasonic transmitters
Layer is located above the substrate layer, and it includes multiple ultrasonic transmitters；Switch array layer is located at below the substrate layer,
Include multiple converters；First control unit is connected with the array of ultrasonic transmitters layer；Radio frequency receiver, with described first
Control unit is connected；Second control unit is connected with the switch array layer；And radiofrequency launcher, with second control
Unit processed is connected.The multiple ultrasonic transmitter emits the super of a predeterminated frequency respectively under the control of the first control unit
Acoustic signals.The multiple converter senses ultrasonic signal respectively and is converted under the control of second control unit
For an electric signal.The electric signal is passed through the emission of radio frequency signals of a predeterminated frequency by the radiofrequency launcher.The radio frequency reception
Device receives the radiofrequency signal of the radiofrequency launcher transmitting, and reduction obtains the electric signal from the radiofrequency signal.Described
Two control units select any converter in the switch array layer, as selected converter.First control is single
Member gradually controls one calibration ultrasonic signal of each of array of ultrasonic transmitters layer ultrasonic transmitter transmitting, and the calibration is super
Thus acoustic signal propagation to the selected converter by its sensing and generates sensing electric signals, the sensing electric signals are described the
It under the control of two control units, is issued in a manner of radiofrequency signal by the radiofrequency launcher, and is connect by the radio frequency receiver
It receives, the sensing electric signals that the radio frequency receiver receives are done time reversal transformation by the first control unit, and storing should
Obtained electric signal waveform after transformation.It is stored in the transformed electric signal waveform for corresponding to each ultrasonic transmitter
After the first control unit, the first control unit respectively drives correspondence with the electric signal waveform of its storage simultaneously
Each ultrasonic transmitter so that converging at the position of the selected converter by the ultrasonic wave that each ultrasonic transmitter issues
It sets, and thus stimulates the tactile of user.
The thickness of the switch array layer can be less than the thickness of the array of ultrasonic transmitters layer.For different ultrasounds
Each calibration ultrasonic signal intensity can be equal used by transmitter.For each calibration used by different ultrasonic transmitters
Ultrasonic signal intensity can be different.The wearable ultrasonic haptic feedback system may further include a display device, with
The first control unit is connected, for showing the signal strength of the radio frequency receiver received signal.
When the signal strength that the display device is shown is lower than a preset threshold, the first control unit can be again
Gradually control one calibration ultrasonic signal of each of array of ultrasonic transmitters layer ultrasonic transmitter transmitting, calibration ultrasound
Signal propagates to the selected converter and is sensed by it and thus generate sensing electric signals, and the sensing electric signals are described second
It under the control of control unit, is issued in a manner of radiofrequency signal by the radiofrequency launcher, and is received by the radio frequency receiver,
The sensing electric signals that the radio frequency receiver receives are done time reversal transformation by the first control unit, and store the transformation
Obtained electric signal waveform afterwards.
When the signal strength that the radio frequency receiver receives is lower than a preset threshold, the first control unit can be with
Again one calibration ultrasonic signal of each of array of ultrasonic transmitters layer ultrasonic transmitter transmitting, the calibration are gradually controlled
Ultrasonic signal can propagate to the selected converter and be sensed by it and thus generate sensing electric signals, which can
To be issued in a manner of radiofrequency signal by the radiofrequency launcher under the control of second control unit, and penetrated by described
Frequency receiver receives.The sensing electric signals that the radio frequency receiver receives can be done time reversal by the first control unit
Transformation, and store obtained electric signal waveform after the transformation.
Wearable ultrasound haptic feedback system may further include the first adhesive-layer and the second adhesive-layer.The substrate layer
It can be made of a textile material, with certain thickness and structural strength.First adhesive-layer can be located at described super
Between acoustic transmitter array layer and the substrate layer, for bonding the two.Second adhesive-layer can be located at the substrate layer
Between the switch array layer, for bonding the two.
Wearable ultrasound haptic feedback system may further include a coating, which is covered in the ultrasound hair
Except transmitter array layer and the switch array layer, each radiofrequency launcher and each radio frequency receiver can distinguish position
It is closed in the surface of the switch array layer and the array of ultrasonic transmitters layer, and by the coating, which can
To be made of the material with electromagnetic shielding characteristic.
[Detailed description of the invention]
Fig. 1 is the structure chart according to the wearable ultrasonic haptic feedback system of present patent application one embodiment；
Fig. 2 is the schematic diagram of array of ultrasonic transmitters layer in wearable ultrasonic haptic feedback system shown in FIG. 1；
Fig. 3 is the schematic diagram of switch array layer in wearable ultrasonic haptic feedback system shown in FIG. 1.
[specific embodiment]
It is carried out specifically below in conjunction with wearable ultrasonic haptic feedback system of the accompanying drawings and embodiments to present patent application
It is bright.
Fig. 1 is the structure chart according to the wearable ultrasonic haptic feedback system of present patent application one embodiment.Referring to figure
1, which includes: substrate layer 101；Array of ultrasonic transmitters layer 103 is located at the substrate layer
101 tops；Switch array layer 105 is located at 101 lower section of substrate layer；First control unit 107, with the ultrasound emission
Device array layer 103 is connected；Radio frequency receiver 109 is connected with the first control unit 107；Second control unit 111, with institute
Switch array layer 105 is stated to be connected；And radiofrequency launcher 113, it is connected with second control unit 111.
Fig. 2 is the schematic diagram of array of ultrasonic transmitters layer 103 in wearable ultrasonic haptic feedback system shown in FIG. 1.Ginseng
See that Fig. 2, the array of ultrasonic transmitters layer 103 include multiple ultrasonic transmitters 201.Multiple ultrasonic transmitter 201 is used for
Emit the ultrasonic signal of a predeterminated frequency under the control of the first control unit 107 respectively.
Fig. 3 is the schematic diagram of switch array layer 105 in wearable ultrasonic haptic feedback system shown in FIG. 1.Referring to figure
3, the switch array layer 105 includes multiple converters 301.Multiple converter 301 is used in second control unit
Ultrasonic signal is sensed respectively under 111 control and the ultrasonic signal sensed is converted to an electric signal.Referring to Fig. 1,
The radiofrequency launcher 113 is used to pass through the electric signal emission of radio frequency signals of one predeterminated frequency.The radio frequency receiver 109
The radiofrequency signal emitted for receiving the radiofrequency launcher 113, and reduction obtains the electric signal from the radiofrequency signal.
Referring to Fig. 1, Fig. 2 and Fig. 3, second control unit 111 is used to select appointing in the switch array layer 105
One converter 3011, as selected ultrasonic vibration feedback Rendezvous Point (that is, selected converter).The first control unit
107 for controlling one calibration ultrasonic signal of the transmitting of first ultrasonic transmitter 2011 in the array of ultrasonic transmitters layer 103
S1, calibration ultrasonic signal S1 propagate to the selected converter 3011 and are sensed by it and thus generate sensing electric signals S1 '.
Sensing electric signals S1 ' is under the control of second control unit 111, by the radiofrequency launcher 113 with radiofrequency signal
Mode issues, and is received by the radio frequency receiver 109.The first control unit 107 is for being the signal S1 ' received
Time reversal transformation, and store obtained electric signal waveform RS1 after the transformation.Next, the first control unit 107 is controlled
Make second ultrasonic transmitter 2012 transmitting, the one calibration ultrasonic signal S2 in the array of ultrasonic transmitters layer 103, the calibration
Ultrasonic signal S2 propagates to the selected converter 3011 and is sensed by it and thus generate sensing electric signals S2 '.Sensing electricity
Signal S2 ' is issued in a manner of radiofrequency signal under the control of second control unit 111 by the radiofrequency launcher 113,
And it is received by the radio frequency receiver 109.The signal S2 ' received is done time reversal transformation by the first control unit 107,
And store obtained electric signal waveform RS2 after the transformation.The wearable ultrasonic haptic feedback system continues to the ultrasound
Other ultrasonic transmitters in transmitter array layer 103 repeat above procedure, until in the array of ultrasonic transmitters layer 103
All ultrasonic transmitters there is corresponding electric signal waveform to be stored in the first control unit 107.By above procedure,
The wearable ultrasonic haptic feedback system completes automatic calibration, has carried out and has fed back Rendezvous Point to the selected ultrasonic vibration
3011 concentrate the preparation of conveying ultrasonic wave.
It is worth noting that, in the above automatic calibration process, for each calibration used by different ultrasonic transmitters
Ultrasonic signal S1, S2 ..., its intensity can be equal, can also be different.For the position at certain edges, the school can be increased
The intensity of quasi- ultrasonic signal can accurately be sensed by the selected ultrasonic vibration feedback Rendezvous Point 3011.
The resulting telecommunications after the transformation for corresponding to each of the array of ultrasonic transmitters layer 103 ultrasonic transmitter
Number waveform is stored in after the first control unit 107, the first control unit 107 with these electric signal waveforms simultaneously
Corresponding each ultrasonic transmitter is respectively driven, so that being converged at by the ultrasonic wave that each ultrasonic transmitter issues described selected
Rendezvous Point (that is, position of selected converter 3011) is fed back in ultrasonic vibration, and thus stimulates the tactile of user.Preferably,
The thickness of the switch array layer 105 is less than the thickness of the array of ultrasonic transmitters layer 103, perceptually in order to user
State the Rendezvous Point of ultrasonic wave.
In the present embodiment, when the calibration ultrasonic signal S1 is passing through the substrate layer 101 and chosen converter
During 3011 sensings are received, the calibration ultrasonic signal S1 can generate inevitably reflection, scattering and decaying, thus institute
The ultrasonic signal that converter 3011 is that actually sensed is stated, has very big difference with the calibration ultrasonic signal S1.But work as the reality
The ultrasonic signal that border senses is converted into electric signal S ', and is sent to the first control unit 107 in electric signal S '
It is each at this time according to the physical principle of sound wave time reversal when driving the ultrasonic transmitter again by time inverse transform afterwards
The ultrasonic wave that excusing from death transmitter issues can converge on the chosen converter 3011.
Wearable ultrasonic haptic feedback system in the present embodiment may further include a display device and (not show in Fig. 1
Out), it is connected with the first control unit 107, for showing the signal strength of 109 received signal of radio frequency receiver.
The signal is issued by the radiofrequency launcher 113, represents the ultrasonic intensity on chosen 3011 position of converter.When
After calibration, if due to environmental change, user's operation or other reasons, on chosen 3011 position of converter
Significantly decaying occurs in ultrasonic intensity, and the touch feedback of user will weaken significantly, and user can pass through the display at this time
The reading of device is confirmed.System also can receive a preset threshold value, when described chosen converter 3011
(that is, signal strength received by the radio frequency receiver 109 or the display device are shown the ultrasonic intensity set
Signal strength) be lower than the threshold value when, re-start one or many above-mentioned automatic calibration operations.
In the present embodiment, the substrate layer 101 is made of a textile material, strong with certain thickness and structure
Degree.The wearable ultrasonic haptic feedback system further includes the first adhesive-layer 107 and the second adhesive-layer 109.First adhesive-layer
107 between the array of ultrasonic transmitters layer 103 and the substrate layer 101, for bonding the two.Second adhesive-layer
109 between the substrate layer 101 and the switch array layer 105, for bonding the two.
In the present embodiment, the wearable ultrasonic haptic feedback system may further include a coating (in Fig. 1 not
It shows).The coating is covered in except the array of ultrasonic transmitters layer 103 and the switch array layer 105.It is described respectively to penetrate
The emitter that takes place frequently 113 and each radio frequency receiver 109 are located at the switch array layer 105 and the ultrasonic transmitter battle array
The surface of column layer 103, and closed by the coating.The coating is made of the material with stronger electromagnetic shielding characteristic,
The radio communication between the radiofrequency launcher 113 and the radio frequency receiver 109 can be prevented by electromagnetism spoke around system
The interference penetrated.
In the wearable ultrasonic haptic feedback system that above embodiments provide, second control unit can be further
It is connect with external equipment (such as computer, game machine), and selects any conversion in the switch array layer at the control
Device receives the ultrasonic wave of convergence as selected converter, generates the appreciable tactile of user, realizes the sense based on tactile
Know feedback.It is sensed when calibration ultrasonic signal passes through the substrate layer by the selected converter, the selected converter is real
The ultrasonic signal that border senses contains the spaces such as propagation medium and converter own form size in ultrasonic wave propagation path and believes
Breath.The spatial information is sent to the radio frequency receiver in the form of radiofrequency signal, by the radiofrequency launcher, and by described
The signal processing that one control unit is converted by time reversal, so that driving needed for generating convergence ultrasonic wave to selected location is believed
Number.Since the transmission of radiofrequency signal is more accurate compared to the transmission of ultrasonic signal, stablizes, ultrasonic wave convergent point in the present embodiment
The determination of position can be very accurate, and the resolution ratio of converter also can achieve higher numerical value in the switch array layer,
It is thus achieved that high accuracy, high-resolution ultrasonic touch feedback.Meanwhile the above wearable ultrasonic haptic feedback system can be with
It is easily integrated on the wearable product such as gloves, clothes, ornaments, cost is relatively low, can be widely applied to various applied fields
Scape.
The above is only present patent application preferred embodiment, is not made in any form to present patent application
Limitation, although present patent application is disclosed above in the preferred embodiment, is not limited to present patent application, any to be familiar with sheet
Technical professional is not departing from present patent application technical proposal scope, is doing when using the technology contents of the disclosure above
A little change or it is modified to the equivalent embodiment of equivalent variations out, but all without departing from present patent application technical solution content, according to
According to present patent application technology any simple modification, equivalent change and modification made to the above embodiment, this patent Shen is belonged to
It please be in the range of technical solution.
Claims (10)
1. a kind of wearable ultrasonic haptic feedback system comprising:
Substrate layer；
Array of ultrasonic transmitters layer is located above the substrate layer, and it includes multiple ultrasonic transmitters；
First adhesive-layer, between the array of ultrasonic transmitters layer and the substrate layer, for bonding the two；
Switch array layer is located at below the substrate layer, and it includes multiple converters；
Second adhesive-layer, between the substrate layer and the switch array layer, for bonding the two；
First control unit is connected with the array of ultrasonic transmitters layer；
Radio frequency receiver is connected with the first control unit；
Second control unit is connected with the switch array layer；
Radiofrequency launcher is connected with second control unit；
Coating is covered in except the array of ultrasonic transmitters layer and the switch array layer, each radiofrequency launcher
The surface of the switch array layer Yu the array of ultrasonic transmitters layer is located at each radio frequency receiver, and by institute
Coating closing is stated, which is made of the material with electromagnetic shielding characteristic；And
Display device is connected with the first control unit, and the signal for showing the radio frequency receiver received signal is strong
Degree；Wherein:
The thickness of the switch array layer is less than the thickness of the array of ultrasonic transmitters layer；
The multiple ultrasonic transmitter emits the ultrasonic wave letter of a predeterminated frequency respectively under the control of the first control unit
Number；
The multiple converter senses ultrasonic signal respectively under the control of second control unit and is converted into one
Electric signal；
The electric signal is passed through the emission of radio frequency signals of a predeterminated frequency by the radiofrequency launcher；
The radio frequency receiver receives the radiofrequency signal of the radiofrequency launcher transmitting, and reduction obtains institute from the radiofrequency signal
State electric signal；
Second control unit selects any converter in the switch array layer, as selected converter；
The first control unit gradually controls each of array of ultrasonic transmitters layer ultrasonic transmitter and emits a school
Quasi- ultrasonic signal, the calibration ultrasonic signal propagate to the selected converter and are sensed and thus generated by it sensing electric signals,
The sensing electric signals are issued in a manner of radiofrequency signal under the control of second control unit by the radiofrequency launcher,
And received by the radio frequency receiver, when the first control unit does the sensing electric signals that the radio frequency receiver receives
Between inverse transform, and store obtained electric signal waveform after the transformation；
It is deposited in the transformed electric signal waveform for corresponding to each of array of ultrasonic transmitters layer ultrasonic transmitter
It is stored in after the first control unit, the first control unit is respectively driven simultaneously with the electric signal waveform of its storage
Corresponding each ultrasonic transmitter, so that converging at the selected converter by the ultrasonic wave that each ultrasonic transmitter issues
Position, and thus stimulate the tactile of user；And
When the signal strength that the display device is shown is lower than a preset threshold, the first control unit gradually controls again
One calibration ultrasonic signal of each of array of ultrasonic transmitters layer ultrasonic transmitter transmitting, the calibration ultrasonic signal are propagated
It is sensed to the selected converter by it and thus generates sensing electric signals, the sensing electric signals are in second control unit
Control under, issued in a manner of radiofrequency signal by the radiofrequency launcher, and received by the radio frequency receiver, described first
The sensing electric signals that the radio frequency receiver receives are done time reversal transformation by control unit, and obtained by storing after the transformation
Electric signal waveform.
2. a kind of wearable ultrasonic haptic feedback system comprising:
Substrate layer；
Array of ultrasonic transmitters layer is located above the substrate layer, and it includes multiple ultrasonic transmitters；
Switch array layer is located at below the substrate layer, and it includes multiple converters；
First control unit is connected with the array of ultrasonic transmitters layer；
Radio frequency receiver is connected with the first control unit；
Second control unit is connected with the switch array layer；And
Radiofrequency launcher is connected with second control unit；Wherein:
The multiple ultrasonic transmitter emits the ultrasonic wave letter of a predeterminated frequency respectively under the control of the first control unit
Number；
The multiple converter senses ultrasonic signal under the control of second control unit and is converted into a telecommunications
Number；
The electric signal is passed through the emission of radio frequency signals of a predeterminated frequency by the radiofrequency launcher；
The radio frequency receiver receives the radiofrequency signal of the radiofrequency launcher transmitting, and reduction obtains institute from the radiofrequency signal
State electric signal；
Second control unit selects any converter in the switch array layer, as selected converter；
The first control unit gradually controls each of array of ultrasonic transmitters layer ultrasonic transmitter and emits a school
Quasi- ultrasonic signal, the calibration ultrasonic signal propagate to the selected converter and are sensed and thus generated by it sensing electric signals,
The sensing electric signals are issued in a manner of radiofrequency signal under the control of second control unit by the radiofrequency launcher,
And received by the radio frequency receiver, when the first control unit does the sensing electric signals that the radio frequency receiver receives
Between inverse transform, and store obtained electric signal waveform after the transformation；And
After the transformed electric signal waveform for corresponding to each ultrasonic transmitter is stored in the first control unit,
The first control unit respectively drives corresponding each ultrasonic transmitter simultaneously with the electric signal waveform of its storage, makes
The position for converging at the selected converter by the ultrasonic wave that each ultrasonic transmitter issues is obtained, and thus stimulates the touching of user
Feel.
3. wearable ultrasonic haptic feedback system according to claim 2, wherein the thickness of the switch array layer is small
In the thickness of the array of ultrasonic transmitters layer.
4. wearable ultrasonic haptic feedback system according to claim 2, wherein being used for different ultrasonic transmitters
Each calibration ultrasonic signal intensity it is equal.
5. wearable ultrasonic haptic feedback system according to claim 2, wherein being used for different ultrasonic transmitters
Each calibration ultrasonic signal intensity it is different.
6. wearable ultrasonic haptic feedback system according to claim 2 further comprises a display device, with described the
One control unit is connected, for showing the signal strength of the radio frequency receiver received signal.
7. wearable ultrasonic haptic feedback system according to claim 6, wherein the signal shown when the display device
When intensity is lower than a preset threshold, the first control unit gradually controls each in the array of ultrasonic transmitters layer again
A one calibration ultrasonic signal of ultrasonic transmitter transmitting, the calibration ultrasonic signal propagate to the selected converter and are sensed simultaneously by it
Thus sensing electric signals are generated, the sensing electric signals under the control of second control unit, by the radiofrequency launcher with
The mode of radiofrequency signal issues, and is received by the radio frequency receiver, and the first control unit connects the radio frequency receiver
The sensing electric signals received do time reversal transformation, and store obtained electric signal waveform after the transformation.
8. wearable ultrasonic haptic feedback system according to claim 2, wherein received when the radio frequency receiver
When signal strength is lower than a preset threshold, the first control unit is gradually controlled again in the array of ultrasonic transmitters layer
One calibration ultrasonic signal of each ultrasonic transmitter transmitting, the calibration ultrasonic signal propagate to the selected converter and are felt by it
It surveys and thus generates sensing electric signals, the sensing electric signals are under the control of second control unit, by the radio-frequency transmissions
Device is issued in a manner of radiofrequency signal, and is received by the radio frequency receiver, and the first control unit is by the radio frequency reception
The sensing electric signals that device receives do time reversal transformation, and store obtained electric signal waveform after the transformation.
9. wearable ultrasonic haptic feedback system according to claim 2 further comprises the first adhesive-layer and the second viscose glue
Layer, wherein the substrate layer is made of a textile material, with certain thickness and structural strength；First adhesive-layer position
Between the array of ultrasonic transmitters layer and the substrate layer, for bonding the two；Second adhesive-layer is located at the lining
Between bottom and the switch array layer, for bonding the two.
10. wearable ultrasonic haptic feedback system according to claim 2 further comprises a coating, which covers
It is placed on except the array of ultrasonic transmitters layer and the switch array layer, each radiofrequency launcher connects with each radio frequency
It receives device and is located at the surface of the switch array layer Yu the array of ultrasonic transmitters layer, and closed by the coating,
The coating is made of the material with electromagnetic shielding characteristic.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2016/109548 WO2018107344A1 (en) | 2016-12-12 | 2016-12-12 | Wearable ultrasonic haptic feedback system |
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| Publication Number | Publication Date |
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| CN110226151A true CN110226151A (en) | 2019-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680091487.6A Pending CN110226151A (en) | 2016-12-12 | 2016-12-12 | Wearable ultrasound haptic feedback system |
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| WO (1) | WO2018107344A1 (en) |
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| DE102022108224A1 (en) | 2022-04-06 | 2023-10-12 | Hochschule Anhalt, Körperschaft des öffentlichen Rechts | METHOD, COMPUTER PROGRAM AND DEVICE FOR PROVIDING ENVIRONMENTAL INFORMATION TO A USER, AND USER DEVICE |
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| CN1200860A (en) * | 1995-10-25 | 1998-12-02 | 吉尔伯特·勒内·冈萨雷斯 | Tactile communication device and method |
| US8570274B1 (en) * | 2005-11-29 | 2013-10-29 | Navisense | Navigation device providing sensory feedback |
| CN103135111A (en) * | 2011-12-01 | 2013-06-05 | 曾奕 | Ultrasound sounding device and receiving-emitting driving method of ultrasound waves thereof |
| CN104866098A (en) * | 2015-05-22 | 2015-08-26 | 中国科学院半导体研究所 | Ultrasonic tactile feedback system and method for manufacturing same |
| CN105426024A (en) * | 2015-11-25 | 2016-03-23 | 吉林大学 | Ultrasonic focus based haptic feedback system and method |
| CN206388133U (en) * | 2016-11-22 | 2017-08-08 | 深圳市丹砂科技有限公司 | Wearable ultrasonic haptic feedback system |
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