WO2016192266A1 - 一种声波触控装置及电子设备 - Google Patents

一种声波触控装置及电子设备 Download PDF

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Publication number
WO2016192266A1
WO2016192266A1 PCT/CN2015/092290 CN2015092290W WO2016192266A1 WO 2016192266 A1 WO2016192266 A1 WO 2016192266A1 CN 2015092290 W CN2015092290 W CN 2015092290W WO 2016192266 A1 WO2016192266 A1 WO 2016192266A1
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WIPO (PCT)
Prior art keywords
acoustic wave
module
airflow
user
touch
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PCT/CN2015/092290
Other languages
English (en)
French (fr)
Inventor
季春燕
李文波
杨添
Original Assignee
京东方科技集团股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 京东方科技集团股份有限公司 filed Critical 京东方科技集团股份有限公司
Priority to EP15884173.4A priority Critical patent/EP3306450B1/en
Priority to US15/127,857 priority patent/US10248263B2/en
Publication of WO2016192266A1 publication Critical patent/WO2016192266A1/zh

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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
    • G06F3/043—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
    • 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
    • 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
    • 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
    • G06F3/0433—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using propagating acoustic waves in which the acoustic waves are either generated by a movable member and propagated within a surface layer or propagated within a surface layer and captured by a movable member
    • 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
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
    • H05K7/20972—Forced ventilation, e.g. on heat dissipaters coupled to components

Definitions

  • Embodiments of the present invention relate to the field of communications and display, and in particular, to an acoustic wave touch device and an electronic device.
  • Acoustic touch screen technology is a new type of human-computer interaction input method, which greatly facilitates the interaction between the user and the terminal compared with the traditional keyboard and mouse input methods.
  • the current acoustic touch screen technology is to arrange a circle of sound wave generator and sound wave receiver around the terminal screen, wherein the sound wave generator can send a high frequency sound wave and cross the screen surface, when the finger touches the screen, the sound wave on the contact point is Blocked, detecting the position corresponding to the sound wave change can determine the coordinate position of the contact, and based on the coordinate position of the contact, perform corresponding operations to realize the interaction between the user and the terminal.
  • the inventor has found that at least the following problems exist in the prior art: sometimes when the user touches the screen of the terminal, the terminal also responds to the user's touch operation in the future, but the user thinks that he has not touched successfully, and touches one or more times, and touches multiple times. It may cause the terminal to malfunction.
  • an acoustic wave touch device and an electronic device.
  • An acoustic wave touch device the device comprising:
  • An acoustic touch module and at least one airflow generating module An acoustic touch module and at least one airflow generating module
  • the acoustic touch module includes a shield, and the shield includes at least one through hole, and an airflow generating module in the at least one airflow generating module is disposed at a position corresponding to each through hole;
  • the acoustic wave touch module is configured to generate sound waves propagating along the surface of the shield or passing through the shield, and controlling the at least one airflow when detecting that the user's finger touches the shield by the sound wave All or part of the airflow generating module in the generating module generates airflow and blows through the through hole of the shield to the user's finger.
  • the acoustic wave touch module includes a display panel that is parallel to the shield; the airflow generation module is disposed in a projection area of the corresponding through hole on the display panel.
  • the acoustic wave touch module is configured to acquire a touch area of the user's finger touching the guard when detecting that the user's finger touches the guard, and control the touch area
  • the airflow generating modules corresponding to the respective through holes generate airflow and are blown to the fingers of the user through the through holes.
  • the acoustic wave touch module is configured to acquire a pressure of the user's finger pressing the guard when detecting that the user's finger touches the guard, and determine, according to the pressure, for generating
  • the power of the airflow is controlled according to the power to control all or part of the airflow generating modules in the at least one airflow generating module to generate an airflow.
  • the acoustic wave touch module includes an acoustic wave module integrated with an acoustic wave generator and an acoustic wave receiver corresponding to each of the at least one through hole, and the acoustic wave corresponding to each of the through holes Modules are respectively disposed in projection areas corresponding to each of the through holes.
  • the acoustic wave module and the airflow generating module located in the same projection area are arranged in a staggered or overlapping arrangement.
  • an area of the airflow outlet of the airflow generating module is larger than an area of the acoustic wave module.
  • the acoustic touch module can be configured to acquire a time when a user's finger touches the guard, determine a time period according to the time, and control all or part of airflow in the at least one airflow generating module to generate The module generates an air flow during the time period.
  • the acoustic touch module stops generating sound waves before the airflow generating module generates an airflow.
  • the acoustic touch module includes at least one acoustic wave generator, the at least one acoustic wave generator being disposed around the shield.
  • Another embodiment of the present invention provides an electronic device including the acoustic wave touch device described in any of the above embodiments.
  • the acoustic wave touch device since the acoustic wave touch device includes an airflow generating device, when the acoustic touch module detects that the user's finger touches the shield, all or part of the airflow generating module in the at least one airflow generating module generates an airflow. And the user's finger is blown through the through hole of the guard plate, so that the user can be touched successfully by the airflow, and the user is prevented from being touched many times to cause the terminal to malfunction.
  • FIG. 1 is a schematic structural diagram of an acoustic wave touch device according to an embodiment of the present invention.
  • 2-1 is a schematic structural diagram of an acoustic wave touch device according to another embodiment of the present invention.
  • 2-2 is a top view of an acoustic wave touch module according to another embodiment of the present invention.
  • 2-3 is a top view of an acoustic wave touch module according to another embodiment of the present invention.
  • 2-4 is a schematic structural diagram of an acoustic wave touch device in which an airflow generating module and an acoustic wave generator are overlapped according to an embodiment of the present invention
  • FIG. 3 provides a top view of an acoustic wave touch device in accordance with another embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of an acoustic wave touch device according to another embodiment of the present invention.
  • an embodiment of the present invention provides an acoustic wave touch device, which can be installed on a terminal as an input device of the terminal, and the acoustic touch device includes:
  • the acoustic touch module 1 includes a shield 11 including at least one through hole 12, and at least one airflow generating module in the airflow generating module 2 is provided at a position corresponding to each of the through holes 12, for example, in each pass
  • One or more airflow generating modules 2 may be disposed directly below the holes;
  • the acoustic touch module 1 can generate sound waves propagating along the surface of the shield 11.
  • the acoustic touch control module 1 can control all or part of the at least one airflow generation module 2.
  • the airflow generating module 2 generates an airflow and blows it through the through hole 12 of the shield to the user's finger.
  • the acoustic wave touch device since the acoustic wave touch device includes an airflow generating device, when the acoustic touch module detects that the user's finger touches the shield, all or part of the airflow generating module in the at least one airflow generating module generates airflow and passes through the protection. The through hole of the board is blown to the user's finger, so that the user can be touched successfully by the airflow, and the user is prevented from being touched many times to cause the terminal to malfunction.
  • the acoustic wave touch device of various embodiments of the present invention may further include a controller, an acoustic wave generator, and an acoustic wave receiver (both not shown in FIG.
  • the acoustic wave generator may be a transmitting transducer capable of receiving from The electrical signal of the controller converts the electrical signal into acoustic energy
  • the acoustic receiver can be a receiving transducer that can receive the acoustic energy emitted by the acoustic generator and convert it into an electrical signal for supply to the controller.
  • the lateral and longitudinal coordinates of the point determine the position of the touch point on the touch panel of the acoustic touch device.
  • the acoustic wave generator, the acoustic wave receiver, and the controller may be included in the acoustic wave touch module 1.
  • the acoustic wave generator, the acoustic wave receiver and the controller are prior art well known to those skilled in the art, and their structure and principle will not be described in detail herein. It should be understood that any suitable means for generating an air flow known to those skilled in the art can be employed as the airflow generating module.
  • the airflow generation module 2 can include, but is not limited to, an air pump.
  • a miniature electric air pump can be employed.
  • the electric air pump can exhaust air by means of electrical energy, for example from a terminal.
  • a micro air pump fabricated by using nanotechnology may be employed as the airflow generating module.
  • the size of the air pump may be determined to correspond to the size of the through hole in the shield so that the gas discharged from the air pump can be smoothly discharged.
  • the ground reaches the through hole in the shield.
  • FIG. 2-1 an acoustic wave touch device according to another embodiment of the present invention is schematically illustrated.
  • the acoustic touch device includes an acoustic touch module 1 and at least one airflow generating device 2, and the acoustic touch module 1 includes a shield 11, a display panel 13, and at least one acoustic wave module 14 integrated with an acoustic wave generator and an acoustic wave receiver.
  • the panel 11 includes at least one through hole 12; the shield 11 and the display panel 13 are disposed in parallel, and each of the through holes 12 in the shield 11 is provided with airflow in at least one airflow generation module 2 in a projection area on the display panel 13.
  • the acoustic wave touch module 1 can control the acoustic wave generator in the at least one acoustic wave module 14 to generate sound waves, and the sound waves pass through the through hole 12 of the shield 11; when detecting, by the sound wave, the user's finger touches the shield 11, control at least All or part of the airflow generating module 2 in one airflow generating module 2 generates airflow and blows through the through hole 12 in the shield 11 to the user's finger.
  • the through holes 12 in the shield 11 can be evenly distributed throughout the shield 11. Accordingly, the airflow generating module 2 and the acoustic wave module 14 located below the shield 11 can be evenly distributed on the display panel. 13 on. In this embodiment, each through hole in the shield 11 An airflow generating module 2 and an acoustic wave module 14 can be correspondingly disposed directly below 12.
  • the acoustic wave module 14 located under each of the through holes 12 generates an acoustic wave that propagates upward along the through hole 12.
  • the user's finger touches the shield 11 the user's finger reflects the acoustic wave module 14 to generate Part of the acoustic wave forms a reflected wave, and the reflected wave is received by the acoustic wave receiver in the acoustic wave module 14 through the through hole 12, and the acoustic touch module 1 acquires the position of the one or more acoustic wave modules 14 receiving the reflected wave, according to the acquired
  • the position of the acoustic wave module 14 can determine that the user's finger touches the touch area of the shield 11.
  • the acoustic wave module 14 that receives the reflected wave of the user's finger includes the acoustic wave modules A, B, C, and D
  • the positions of the acoustic wave modules A, B, C, and D are (1, 1), (1, 3), respectively.
  • (3,1), (3,3), according to the positions of the acoustic wave modules A, B, C, D it can be determined that the touch area of the user's finger touch guard 11 has an abscissa range of 1 to 3, and the ordinate range is 1 to 3.
  • the acoustic wave touch module 1 can acquire the touch area of the user's finger touch panel 11 when the user's finger touches the shield 11 is detected, and control each through hole 12 in the touch area.
  • the airflow generating module 2 generates an airflow and blows the user's finger through each of the through holes 12 in the touch area. Only the airflow generating module 2 corresponding to each through hole 12 in the touch area is controlled to generate airflow, which can save power compared to controlling all airflow generating modules 2 to generate airflow.
  • the acoustic touch module 1 can acquire the pressure of the user's finger pressing the shield 11 when detecting that the user's finger touches the shield 11, determine the power of the generated airflow according to the pressure, and control at least one according to the power. All or part of the airflow generating module 2 in the airflow generating module 2 generates an airflow. In the embodiment, the acoustic touch module 1 can control the airflow generating module 2 corresponding to each through hole 12 in the touch area to generate airflow according to the power.
  • the correspondence between the pressure range and the power may be configured in the acoustic touch module 1 in advance.
  • the acoustic touch module 1 can determine the power of generating the airflow according to the following steps, including: determining a pressure range in which the acquired pressure is located, and obtaining a corresponding power from a corresponding relationship between the pressure range and the power according to the determined pressure range, The acquired power is taken as the power that generates the airflow.
  • the power of the generated airflow is determined according to the pressure of the user pressing the shield 11, and the greater the pressure that the user presses, the greater the force of the airflow generating module 2 to generate airflow to the user's finger, so that the user feels that the pressure of pressing the shield 11 is higher. Large, the greater the reaction of the feedback of the guard 11 is, the user's interactive experience is improved.
  • the acoustic touch module 1 can acquire the time when the user's finger touches the shield 11 , and determines a time period according to the time to control all or part of the airflow generating module 2 in the at least one airflow generating module 2 Airflow is generated during this time period.
  • the time length can be preset in advance, and the acoustic touch module 1 can determine a time period according to the acquired time and the preset time length.
  • the control airflow generation module 2 generates an airflow during the time period, and at the end of the time period, the airflow generation module 2 is controlled to stop generating the airflow, so that the consumption of the terminal electrical energy can be saved.
  • the acoustic touch module 1 can also control the acoustic generator to stop generating sound waves before the airflow generating module 2 generates the airflow. That is, the acoustic wave control module 1 controls the acoustic wave generator to stop generating sound waves during the period in which the airflow generating module 2 generates the airflow. In this embodiment, the acoustic wave touch module 1 controls the acoustic wave generator to stop generating sound waves during the time period, and controls the sound wave generator to generate sound waves at the end of the time period. Controlling the sonic generator to stop generating sound waves during this time period can reduce the effect on the airflow generated by the airflow generating module.
  • FIG. 2-2 schematically illustrate a top view of an acoustic wave touch device in accordance with an embodiment of the present invention.
  • the airflow generating module 2 and the acoustic wave module 14 may overlap, and the acoustic wave module 14 may be located between the through hole 12 and the airflow generating module 2, and the area of the airflow outlet of the airflow generating module 2 It may be larger than the area of the acoustic wave module 14.
  • the acoustic wave touch device when the airflow generating module 2 and the acoustic wave module 14 are arranged in an overlapping manner, the acoustic wave touch device includes a shield 11, an acoustic wave module 14, an airflow generating module 2, and the like from top to bottom.
  • a display panel 13 (not shown in the figure). Since the area of the airflow outlet of the airflow generating module 2 is larger than the area of the acoustic wave module 14, the airflow can reach the through hole 12.
  • the airflow generating module 2 and the acoustic wave module 14 may be arranged in a staggered manner.
  • the acoustic wave module 14 and the airflow generating module 2 may be located on the same layer, and the acoustic wave touch device From the top to the bottom, the shield 11, the acoustic wave module 14 and the airflow generating module 2 and the display panel 13 in the same layer may be included.
  • the acoustic wave module 14 and the airflow generating module 2 are located between the shield 11 and the display panel 13
  • the acoustic wave module 14 and the airflow generating module 2 can be made of a transparent material such that they are transparent, which can reduce the pair The display panel shows the effect of the image.
  • the acoustic wave touch device since the acoustic wave touch device includes an airflow generating device, when the acoustic touch module detects that the user's finger touches the shield, all or part of the airflow generating module in the at least one airflow generating module generates airflow and passes through the protection.
  • the through hole of the board is blown to the user's finger, so that the user can be touched successfully by the airflow, and the user is prevented from being touched many times to cause the terminal to malfunction.
  • FIG. 3 provides a top view of an acoustic wave touch device in accordance with another embodiment of the present invention.
  • the acoustic touch device can include an acoustic touch module 1 and at least one airflow generating module 2, and the acoustic touch module 1 includes a shield 11, a display panel 13 (not shown in the figure), and at least one acoustic wave generator 15
  • the plate 11 includes at least one through hole 12.
  • the shield 11 and the display panel 13 are disposed in parallel, and each of the through holes 12 in the shield 11 is provided with an airflow generation module 2 in an airflow generation module 2 in a projection area on the display panel; the at least one acoustic wave generator 15 Provided around the guard 11;
  • the acoustic touch module 1 can control the at least one acoustic wave generator 15 to generate sound waves, and the sound waves propagate along the surface of the shield 11; when the user touches the shield 11 by detecting the sound waves, the acoustic touch module 1 controls at least one All or part of the airflow generating module 2 in the airflow generating module 2 generates airflow and blows through the through holes 12 in the shield 11 to the fingers of the user.
  • the through holes 12 in the shield 11 are evenly distributed throughout the shield 11, and accordingly, the airflow generating modules 2 located below the shield 11 are evenly distributed on the display panel 13.
  • the acoustic touch device may further include an acoustic wave receiver and a controller (not shown) known to those skilled in the art, and the controller may emit an electric signal to trigger the acoustic wave generator 15 to generate sound wave energy, and the controller It is also possible to receive the feedback signal received by the acoustic wave receiver and determine the user's touch position based on the feedback signal, which are known to those skilled in the art and will not be described in detail herein.
  • the acoustic wave generator 15 located around the shield 11 can generate sound waves which propagate along the surface of the shield 11, wherein the sound waves generated by the acoustic wave generator 15 on one side are received by the acoustic wave receivers on the opposite side ( Received not shown in the figure.
  • the user's finger touches the shield the user's finger blocks the sound wave generated by the sound wave generator 15 from propagating on the surface of the shield 11, thereby forming a touch position with the user on the waveform of the feedback signal received by the sound wave receiver.
  • the acoustic touch module 1 can acquire a touch area of the user's finger touch panel 11 when the user's finger touches the shield 11 is detected, and control the touch area.
  • the airflow generating module 2 corresponding to each of the through holes 12 generates an airflow and is blown toward the user's finger through each of the through holes 12 in the touched area. Only the airflow generating module 2 corresponding to each of the through holes 12 in the touch area is controlled to generate airflow, and the power of the terminal can be saved compared to controlling all the airflow generating modules 2 to generate airflow.
  • the acoustic touch module 1 can acquire the pressure of the user's finger pressing the shield 11 when detecting that the user's finger touches the shield 11, and determine the power of the generated airflow according to the pressure, and control at least according to the power control. All or part of an airflow generating module 2 generates an air flow. Further, the acoustic wave touch module 1 can control the airflow generating module 2 corresponding to each of the through holes 12 in the touch area to generate airflow according to the power.
  • the acoustic touch module 1 can be configured with a corresponding relationship between the pressure range and the power.
  • the acoustic touch module 1 can determine the power of generating the airflow according to the following steps, including: determining a pressure range in which the acquired pressure is located, and obtaining a corresponding power from a corresponding relationship between the pressure range and the power according to the determined pressure range, The acquired power is taken as the power that generates the airflow.
  • the power of the generated airflow is determined according to the pressure of the user pressing the shield 11, and the greater the pressure that the user presses, the greater the force of the airflow generated by the airflow generating module 2 to the user's finger, allowing the user to press
  • the acoustic touch module 1 can acquire the time when the user's finger touches the shield 11 , and determines a time period according to the time to control all or part of the airflow generating module 2 in the at least one airflow generating module 2 Airflow is generated during this time period.
  • the control airflow generation module 2 generates an airflow during the time period, and at the end of the time period, the airflow generation module 2 is controlled to stop generating the airflow, so that the consumption of the terminal electrical energy can be saved.
  • the acoustic touch module 1 can also control the acoustic wave generator 14 to stop generating sound waves during the time period, and control the acoustic wave generator 14 to generate sound waves at the end of the time period. Controlling the acoustic wave generator 14 to stop generating sound waves during this period of time can reduce the effect on the airflow generated by the airflow generating module 2.
  • the sound wave generating device includes an airflow generating device, and when the acoustic wave touch module detects that the user's finger touches the shield, all or part of the airflow generating module in the at least one airflow generating module generates airflow and passes.
  • the through hole of the shield is blown to the user's finger, so that the user can be touched successfully by the airflow, and the user is prevented from being touched many times to cause the terminal to malfunction.
  • the sound generator can be placed around the shield so that The effect of the sonic generator on the airflow of the airflow generating module can be reduced or avoided.
  • the acoustic wave touch device may include an acoustic wave touch module 1, a display panel 13, and a plurality of acoustic wave modules 14 integrated with an acoustic wave generator and an acoustic wave receiver.
  • the acoustic touch module 1 includes at least a shield 11 including at least one through hole 12, and the acoustic wave module 14 may be disposed on the display panel 13 and correspond to the position of each of the through holes in the shield 11.
  • the sound wave touch module 1 can control the sound wave generator in the sound wave module 14 corresponding to the touch position of the user's finger to generate sound waves generated at other positions. Stronger sound signal. Therefore, such a stronger acoustic signal can generate a stronger airflow disturbance, and such airflow disturbance can reach the user's finger through the through hole 12. In this way, the user can be prompted to succeed by touching the airflow, and the user is prevented from being touched many times to cause the terminal to malfunction.
  • the acoustic touch module 1 may further include a controller (not shown), and the controller may provide an electrical signal to the acoustic wave generator in the acoustic wave module 14. After receiving the electrical signal, the acoustic wave generator converts the electrical signal into Sound energy. Therefore, the acoustic wave module 14 located under each of the through holes 12 can generate an acoustic wave that propagates upward along the through hole 12. When the user's finger touches the shield 11, the user's finger reflects the partial sound wave generated by the acoustic wave module 14.
  • the controller can provide a stronger electrical signal to the acoustic wave generator in the acoustic wave module 14 corresponding to the acquired position, thereby controlling the occurrence of sound waves in the acoustic wave module 14 corresponding to the touch position of the user's finger.
  • the device produces a stronger acoustic signal than the acoustic generator at other locations.
  • This stronger acoustic signal can produce a stronger airflow disturbance, and this airflow disturbance can reach the user's finger through the through hole 12. In this way, the user can be prompted to succeed by touching the airflow, and the user is prevented from being touched many times to cause the terminal to malfunction.
  • this embodiment of the present invention provides a technical solution that provides a signal to the user indicating that the touch has been successful without the need for an airflow generating module.
  • blind holes may be substituted for the through holes 12 as shown in FIG. 4, i.e., the holes 12 may not penetrate the shield 11.
  • Embodiments of the present invention also provide an electronic device, which may include a front The acoustic wave touch device described in any of the embodiments.
  • Such electronic devices include, but are not limited to, various devices such as cell phones, desktop computers, tablets, netbooks, personal digital assistants, and the like.
  • a person skilled in the art can understand that all or part of the steps of implementing the foregoing embodiments may be completed by hardware, or may be instructed by a program to execute related hardware, and the program may be stored in a computer readable storage medium, as mentioned above.
  • the storage medium may be a read only memory, a magnetic disk or an optical disk or the like.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Position Input By Displaying (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • User Interface Of Digital Computer (AREA)

Abstract

一种声波触控装置及电子设备，属于通信及显示领域。所述装置包括：声波触控模块（1）和至少一个气流发生模块（2）；所述声波触控模块包括护板（11），所述护板包括至少一个通孔（12），在每个通孔对应的位置处设有所述至少一个气流发生模块（2）中的气流发生模块（2）；所述声波触控模块（1），用于产生沿所述护板表面传播或穿过所述护板的声波，当通过所述声波检测到用户的手指触摸所述护板时控制所述至少一个气流发生模块（2）中的全部或部分气流发生模块（2）产生气流并通过所述护板（11）的通孔（12）吹向所述用户的手指。该声波触控装置可避免终端发生误操作。

Description

一种声波触控装置及电子设备 技术领域
本发明的实施例涉及通信及显示领域，特别涉及一种声波触控装置及电子设备。
背景技术
声波触摸屏技术是一种新型的人机交互输入方式，与传统的键盘和鼠标输入方式相比，极大地方便了用户与终端之间的交互。
目前的声波触摸屏技术是在终端屏幕的四周布置一圈声波发生器和声波接收器，其中声波发生器能发送一种高频声波并跨越屏幕表面，当手指触及屏幕时，触点上的声波即被阻止，检测声波变化对应的位置可确定出触点的坐标位置，基于触点的坐标位置，执行相应操作，以实现用户与终端之间的交互。
发明人发现现有技术至少存在以下问题：有时用户触摸终端的屏幕时，终端还未来得急响应用户的触摸操作，而用户却认为自己没有触摸成功，又触摸了一次或多次，多次触摸可能导致终端发生误操作。
发明内容
为了减轻或避免以上提到的技术问题，本发明的实施例提供了一种声波触控装置及电子设备。一种声波触控装置，所述装置包括：
声波触控模块和至少一个气流发生模块；
所述声波触控模块包括护板，所述护板包括至少一个通孔，在每个通孔对应的位置处设有所述至少一个气流发生模块中的气流发生模块；
所述声波触控模块，用于产生沿所述护板表面传播或穿过所述护板的声波，并且当通过所述声波检测到用户的手指触摸所述护板时控制所述至少一个气流发生模块中的全部或部分气流发生模块产生气流并通过所述护板的通孔吹向所述用户的手指。
在实施例中，所述声波触控模块包括与所述护板平行的显示面板；所述气流发生模块设置在与其对应的通孔在所述显示面板上的投影区域内。
在实施例中，所述声波触控模块可用于当检测到所述用户的手指触摸所述护板时获取所述用户的手指触摸所述护板的触摸区域，并控制所述触摸区域内的各通孔对应的气流发生模块产生气流并通过所述各通孔吹向所述用户的手指。
在实施例中，所述声波触控模块可用于当检测到所述用户的手指触摸所述护板时获取所述用户的手指按压所述护板的压力，并根据所述压力确定用于产生气流的功率，根据所述功率控制所述至少一个气流发生模块中的全部或部分气流发生模块产生气流。
在实施例中，所述声波触控模块包括与所述至少一个通孔中的每个通孔对应的集成有声波发生器和声波接收器的声波模块，与所述每个通孔对应的声波模块分别设置在与所述每个通孔对应的投影区域中。
在实施例中，位于同一投影区域的声波模块和气流发生模块错落排列或交叠设置。
在实施例中，当声波模块和气流发生模块交叠设置时，所述气流发生模块的气流出口的面积大于所述声波模块的面积。
在实施例中，所述声波触控模块可用于获取用户的手指触摸所述护板时的时间，根据所述时间确定时间段，并控制所述至少一个气流发生模块中的全部或部分气流发生模块在所述时间段内产生气流。
在实施例中，所述声波触控模块可在所述气流发生模块产生气流前停止产生声波。
在实施例中，所述声波触控模块包括至少一个声波发生器，所述至少一个声波发生器设置在所述护板的四周。
本发明的另一实施例提供了一种电子设备，所述电子设备包括上述各实施例中的任一实施例所描述的声波触控装置。
在本发明的各实施例中，由于声波触控装置中包括气流发生装置，当声波触控模块检测到用户的手指触摸护板时控制至少一个气流发生模块中的全部或部分气流发生模块产生气流并通过护板的通孔吹向用户的手指，如此可以通过气流提示用户已触摸成功，避免用户多次触摸而使终端产生误操作。
附图说明
图1是本发明的一个实施例提供的声波触控装置的结构示意图；
图2-1是本发明的另一实施例提供的声波触控装置的结构示意图；
图2-2是本发明的另一实施例提供的声波触控模块的俯视图；
图2-3是本发明又一实施例提供的声波触控模块的俯视图；
图2-4是本发明的一个实施例提供的其中气流发生模块和声波发生器在被交叠设置的声波触控装置的结构示意图；
图3提供了根据本发明的另一实施例的声波触控装置的俯视图。
图4提供了根据本发明的另一实施例的声波触控装置的结构示意图。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚，下面将结合附图对本发明实施方式作进一步地详细描述。
参见图1，本发明实施例提供了一种声波触控装置，该声波触控装置可以安装在终端上，作为终端的输入设备，该声波触控装置包括：
声波触控模块1和至少一个气流发生模块2；
声波触控模块1包括护板11，护板11包括至少一个通孔12，在每个通孔12对应的位置处设有至少一个气流发生模块2中的气流发生模块，例如，在每个通孔的正下方可设置一个或多个气流发生模块2；
声波触控模块1可产生沿护板11表面传播的声波，当通过该声波检测到用户的手指触摸护板11时，声波触控控制模块1可控制至少一个气流发生模块2中的全部或部分气流发生模块2产生气流并通过护板的通孔12吹向用户的手指。
在本发明实施例中，由于声波触控装置包括气流发生装置，当声波触控模块检测到用户的手指触摸护板时控制至少一个气流发生模块中的全部或部分气流发生模块产生气流并通过护板的通孔吹向用户的手指，如此可以通过气流提示用户已触摸成功，避免用户多次触摸而使终端产生误操作。本发明的各实施例的声波触控装置还可包括控制器、声波发生器以及声波接收器(它们在图1中均未示出)，声波发生器可以是发射换能器，其能够接收来自控制器的电信号并将该电信号转换为声波能量，声波接收器可以是接收换能器，其可以接收声波发生器发射的声波能量并将其转换为电信号提供给控制器。当用户的 手指触摸声波触控装置的表面时，途经手指部位的声波能量会有一部分被吸收，这在声波接收器接收到的反馈信号的波形上形成一个衰减缺口，控制器可以根据该缺口的位置确定触摸点的横向坐标和纵向坐标，从而确定触摸点在声波触控装置的触控面板上的位置。对于图1所示的实施例，声波发生器、声波接收器以及控制器可以包括在声波触控模块1中。而且，声波发生器、声波接收器以及控制器是本领域技术人员熟知的现有技术，关于它们的结构和原理，在此不再详述。应当能够理解的是，可以采用本领域技术人员知晓的任何适当的能够产生气流的装置来作为气流发生模块。例如，气流发生模块2可包括但不限于空气泵。在本发明的一个实施例中，可以采用微型电动气泵。正如本领域技术人员所知晓的，电动空气泵可以借助例如来自终端的电能排出空气。在实施例中，可以采用利用纳米技术制作的微型空气泵作为气流发生模块，例如，可以确定空气泵的大小使其与护板中的通孔的尺寸相对应，以便空气泵排出的气体可以顺畅地到达护板中的通孔。利用纳米技术来制作微型装置(例如，纳米电机等)是本领域技术人员已知的，不是本发明的重点，在此不再详述。
参见图2-1，示意性地示出了根据本发明的另一实施例提供的声波触控装置。
该声波触控装置包括声波触控模块1和至少一个气流发生装置2，声波触控模块1包括护板11、显示面板13和至少一个集成有声波发生器和声波接收器的声波模块14，护板11包括至少一个通孔12；护板11和显示面板13平行设置，护板11中的每个通孔12在显示面板13上的投影区域中设置有至少一个气流发生模块2中的气流发生模块2和至一个声波模块14中的声波模块14；例如，在每个通孔的正下方可设置一个或多个气流发生模块2以及一个或多个声波模块14。
声波触控模块1可控制该至少一个声波模块14中的声波发生器产生声波，该声波穿过护板11的通孔12；当通过该声波检测到用户的手指触摸护板11时，控制至少一个气流发生模块2中的全部或部分气流发生模块2产生气流并通过护板11上的通孔12吹向用户的手指。
在本实施例中，护板11中的通孔12可均匀地分布在整个护板11中，相应地，位于护板11下方的气流发生模块2和声波模块14也可均匀地分布在显示面板13上。在该实施例中，护板11中的每个通孔 12的正下方可对应地设置一个气流发生模块2和一个声波模块14。
参见图2-1，位于每个通孔12下方的声波模块14可产生声波，该声波沿着通孔12向上传播，当用户的手指触摸护板11时，用户的手指会反射声波模块14产生的部分声波形成反射波，该反射波穿过该通孔12被声波模块14中的声波接收器接收，声波触控模块1获取接收反射波的一个或多个声波模块14的位置，根据获取的声波模块14的位置，可以确定出用户的手指触摸护板11的触摸区域。
例如，假设接收到用户手指的反射波的声波模块14包括声波模块A、B、C和D，假设声波模块A、B、C、D的位置分别为(1，1)、(1，3)、(3，1)、(3，3)，根据声波模块A、B、C、D的位置可以确定用户的手指触摸护板11的触摸区域的横坐标范围为1至3，纵坐标范围为1至3。
根据本发明的另一实施例中，声波触控模块1可在检测到用户的手指触摸护板11时获取用户的手指触摸护板11的触摸区域，控制该触摸区域内的各通孔12对应的气流发生模块2产生气流并通过该触摸区域内的各通孔12吹向用户的手指。只控制触摸区域内各通孔12对应的气流发生模块2产生气流，相比控制所有的气流发生模块2产生气流可以节省电能。
在又一实施例中，声波触控模块1可在检测到用户的手指触摸护板11时获取用户的手指按压护板11的压力，根据该压力确定产生气流的功率，根据该功率控制至少一个气流发生模块2中的全部或部分气流发生模块2产生气流。在实施例中，声波触控模块1可以根据该功率控制该触摸区域内的各通孔12对应的气流发生模块2产生气流。可以理解的是，用户触摸护板11的力量越大，声波触控装置中的声波接收器接收到的反馈信号的波形上的衰减缺口越深，或者从手指反射回的反射波的信号越强，从而控制器可利用这一点可以确定触摸压力的大小。
在实施例中，可以事先在声波触控模块1中配置压力范围与功率的对应关系。相应的，声波触控模块1可以按如下步骤来确定产生气流的功率，包括：确定获取的压力所在的压力范围，根据确定的压力范围，从压力范围与功率的对应关系中获取对应的功率，将获取的功率作为产生气流的功率。
根据用户按压护板11的压力来确定产生气流的功率，可以保证用户按压的压力越大，气流发生模块2产生气流给用户的手指的作用力越大，让用户感觉按压护板11的压力越大，护板11反馈的反作用力就越大，提高用户的交互体验。
在又一实施例中，声波触控模块1可获取用户的手指触摸护板11时的时间，根据该时间确定一时间段，控制至少一个气流发生模块2中的全部或部分气流发生模块2在该时间段内产生气流。
例如，可以事先预设一时间长度，声波触控模块1根据所获取的时间和预设的时间长度，便可确定一时间段。
控制气流发生模块2在该时间段内产生气流，在该时间段结束时控制气流发生模块2停止产生气流，这样可以节省终端电能的消耗。
在另一实施例中，声波触控模块1还可在气流发生模块2产生气流前控制声波发生器停止产生声波。即声波控制模块1控制声波发生器在气流发生模块2产生气流的时间段期间停止产生声波。在本实施例中，声波触控模块1在该时间段期间控制声波发生器停止产生声波，在该时间段结束时再控制声波发生器产生声波。在该时间段期间控制声波发生器停止产生声波可以减小对气流发生模块产生气流的影响。
图2-2或2-3示意性地示出了根据本发明的一个实施例的声波触控装置的俯视图。参见图2-2，在同一投影区域内，气流发生模块2和声波模块14可以交叠，声波模块14可位于通孔12与气流发生模块2之间，且气流发生模块2的气流出口的面积可大于声波模块14的面积。参见图2-4，在该实施例中，当气流发生模块2和声波模块14交叠设置时，该声波触控装置从上到下依次包括护板11、声波模块14、气流发生模块2和显示面板13(该图中未示出)。由于气流发生模块2的气流出口的面积大于声波模块14的面积，所以气流可以达到通孔12。或者，参见图2-3，在同一投影区域内，气流发生模块2和声波模块14可以错落设置，在错落设置方式下，声波模块14和气流发生模块2可位于同一层，该声波触控装置从上到下依次可包括护板11、位于同一层的声波模块14和气流发生模块2以及显示面板13。
在其中声波模块14和气流发生模块2位于护板11和显示面板13之间的实施例中，可以用透明材料来制作声波模块14和气流发生模块2，使得它们是透明的，这样可以减少对显示面板显示图像产生的影响。
在上述的实施例中，由于声波触控装置包括气流发生装置，当声波触控模块检测到用户的手指触摸护板时控制至少一个气流发生模块中的全部或部分气流发生模块产生气流并通过护板的通孔吹向用户的手指，如此可以通过气流提示用户已触摸成功，避免用户多次触摸而使终端产生误操作。
图3提供了根据本发明的另一实施例的声波触控装置的俯视图。
该声波触控装置可包括声波触控模块1和至少一个气流发生模块2，声波触控模块1包括护板11、显示面板13(该图中未示出)和至少一个声波发生器15，护板11包括至少一个通孔12。
护板11和显示面板13平行设置，护板11中的每个通孔12在显示面板上的投影区域中设置有至一个气流发生模块2中的气流发生模块2；该至少一个声波发生器15设置在护板11的四周；
声波触控模块1可控制该至少一个声波发生器15产生声波，该声波沿护板11的表面传播；当通过该声波检测到用户的手指触摸护板11时，声波触控模块1控制至少一个气流发生模块2中的全部或部分气流发生模块2产生气流并通过护板11中的通孔12吹向用户的手指。
在本实施例中，护板11中的通孔12可均匀地分布在整个护板11中，相应地，位于护板11下方的气流发生模块2也可均匀地分布在显示面板13上。如前所述，声波触控装置还可包括本领域技术人员已知的声波接收器以及控制器(图中未示出)，控制器可以发出电信号触发声波发生器15产生声波能量，控制器还可以接收声波接收器所接收的反馈信号，根据反馈信号确定用户的触摸位置，这些对于本领域技术人员是已知的，在此不再详述。
参见图3，位于护板11四周的声波发生器15可产生声波，该声波沿护板11的表面传播，其中一侧的声波发生器15产生的声波会被可位于相对侧的声波接收器(图中未示出)接收。当用户的手指触摸护板时，用户的手指会阻断声波发生器15产生的声波在护板11的表面传播，从而在声波接收器接收到的反馈信号的波形上形成一个与用户的触摸位置相对应的衰减缺口，由此可确定出用户的手指触摸护板11的触摸区域。
在另一实施例中，声波触控模块1可在检测到用户的手指触摸护板11时获取用户的手指触摸护板11的触摸区域，控制该触摸区域内 的各通孔12对应的气流发生模块2产生气流并通过该触摸区域内的各通孔12吹向用户的手指。只控制触摸区域内各通孔12对应的气流发生模块2产生气流，相比控制所有的气流发生模块2产生气流可以节省终端的电能。
在另一实施例中，声波触控模块1可在检测到用户的手指触摸护板11时获取用户的手指按压护板11的压力，根据该压力确定产生气流的功率，根据该功率控制控制至少一个气流发生模块2中的全部或部分产生气流。进一步地，声波触控模块1可以根据该功率控制该触摸区域内的各通孔12对应的气流发生模块2产生气流。
在实施例中，可以事先让声波触控模块1配置压力范围与功率的对应关系。相应的，声波触控模块1可以按如下步骤来确定产生气流的功率，包括：确定获取的压力所在的压力范围，根据确定的压力范围，从压力范围与功率的对应关系中获取对应的功率，将获取的功率作为产生气流的功率。
在该实施例中，根据用户按压护板11的压力来确定产生气流的功率，可以保证用户按压的压力越大，气流发生模块2产生的气流给用户的手指的作用力越大，让用户按压护板11的压力越大，护板11反馈的反作用力就越大，提高用户的交互体验。
在又一实施例中，声波触控模块1可获取用户的手指触摸护板11时的时间，根据该时间确定一时间段，控制至少一个气流发生模块2中的全部或部分气流发生模块2在该时间段内产生气流。控制气流发生模块2在该时间段内产生气流，在该时间段结束时控制气流发生模块2停止产生气流，这样可以节省终端电能的消耗。
在又一实施例中，声波触控模块1还可在该时间段内控制声波发生器14停止产生声波，在该时间段结束时再控制声波发生器14产生声波。在该时间段内控制声波发生器14停止产生声波可以减小对气流发生模块2产生气流的影响。
在上述各实施例中，由于声波触控装置中包括气流发生装置，当声波触控模块检测到用户的手指触摸护板时控制至少一个气流发生模块中的全部或部分气流发生模块产生气流并通过护板的通孔吹向用户的手指，如此可以通过气流提示用户已触摸成功，避免用户多次触摸而使终端产生误操作。另外，声波发生器可设置在护板的四周，这样 可以减小或避免声波发生器对气流发生模块吹送气流产生的影响。
图4示意性地示出了根据本发明的又一实施例。在该实施例中，声波触控装置可包括声波触控模块1、显示面板13以及多个集成有声波发生器和声波接收器的声波模块14。声波触控模块1至少包括护板11，护板11包括至少一个通孔12，声波模块14可以设置在显示面板13上，并与护板11中的每个通孔的位置相对应。当通过声波发生器产生的声波检测到用户的手指触摸护板11时，声波触控模块1可以控制与用户手指的触摸位置相对应的声波模块14中的声波发生器产生比其它位置的声波发生器更强的声波信号。因此，这种更强的声波信号可以产生较强的气流扰动，并且这种气流扰动可以通过通孔12到达用户的手指。如此可以通过气流提示用户已触摸成功，避免用户多次触摸而使终端产生误操作。
例如，声波触控模块1还可包括控制器(图中未示出)，控制器可提供电信号给声波模块14中的声波发生器，声波发生器接收该电信号后将该电信号转换为声波能量。因此，位于每个通孔12下方的声波模块14可产生声波，该声波沿着通孔12向上传播，当用户的手指触摸护板11时，用户的手指会反射声波模块14产生的部分声波形成反射波，该反射波穿过该通孔12被声波模块14中的声波接收器接收，声波触控模块1的控制器可确定接收反射波的一个或多个声波模块14的位置，根据获取的声波模块14的位置，可以确定出用户的手指触摸护板11的触摸区域。
在此基础上，控制器可以向与所获取的位置相对应的声波模块14中是声波发生器提供更强的电信号，从而控制与用户手指的触摸位置相对应的声波模块14中的声波发生器产生比其它位置的声波发生器更强的声波信号。这种更强的声波信号可以产生较强的气流扰动，并且这种气流扰动可以通过通孔12到达用户的手指。如此可以通过气流提示用户已触摸成功，避免用户多次触摸而使终端产生误操作。因此，本发明的该实施例提供了一种无需气流发生模块而可向用户提供指示已触摸成功的信号的技术方案。并且，可以理解的是，在替代性的实施例中，可以用盲孔来替代如图4所示的通孔12，即孔12可以不穿透护板11。
本发明的实施例还提供了一种电子设备，所述电子设备可包括前 述各实施例中的任一实施例所描述的声波触控装置。这种电子设备包括但不限于诸如手机、台式计算机、平板电脑、上网本、个人数字助理之类的各种设备。本领域普通技术人员可以理解实现上述实施例的全部或部分步骤可以通过硬件来完成，也可以通过程序来指令相关的硬件完成，所述的程序可以存储于计算机可读存储介质中，上述提到的存储介质可以是只读存储器，磁盘或光盘等。
以上所述仅为本发明的较佳实施例，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (11)

  1. 一种声波触控装置，其中所述装置包括：
    声波触控模块和至少一个气流发生模块；
    所述声波触控模块包括护板，所述护板包括至少一个通孔，在每个通孔对应的位置处设有所述至少一个气流发生模块中的气流发生模块；
    所述声波触控模块，用于产生沿所述护板表面传播或穿过所述护板的声波，并且当通过所述声波检测到用户的手指触摸所述护板时控制所述至少一个气流发生模块中的全部或部分气流发生模块产生气流并通过所述护板的通孔吹向所述用户的手指。
  2. 如权利要求1所述的声波触控装置，其中所述声波触控模块包括与所述护板平行的显示面板；所述气流发生模块设置在与其对应的通孔在所述显示面板上的投影区域内。
  3. 如权利要求1或2所述的声波触控装置，其中所述声波触控模块用于当检测到所述用户的手指触摸所述护板时获取所述用户的手指触摸所述护板的触摸区域，并控制所述触摸区域内的各通孔对应的气流发生模块产生气流并通过所述各通孔吹向所述用户的手指。
  4. 如权利要求1或2所述的声波触控装置，其中所述声波触控模块用于当检测到所述用户的手指触摸所述护板时获取所述用户的手指按压所述护板的压力，并根据所述压力确定用于产生气流的功率，根据所述功率控制所述至少一个气流发生模块中的全部或部分气流发生模块产生气流。
  5. 如权利要求2所述的声波触控装置，其中所述声波触控模块包括与所述至少一个通孔中的每个通孔对应的集成有声波发生器和声波接收器的声波模块，与所述每个通孔对应的声波模块分别设置在与所述每个通孔对应的所述投影区域中。
  6. 如权利要求5所述的声波触控装置，其中位于同一投影区域的声波模块和气流发生模块错落排列或交叠设置。
  7. 如权利要求6所述的声波触控装置，其中当所述声波模块和气流发生模块交叠设置时，所述气流发生模块的气流出口的面积大于所述声波模块的面积。
  8. 如权利要求2所述的声波触控装置，其中
    所述声波触控模块用于获取用户的手指触摸所述护板时的时间，根据所述时间确定时间段，并控制所述至少一个气流发生模块中的全部或部分气流发生模块在所述时间段内产生气流。
  9. 如权利要求8所述的声波触控装置，其中所述声波触控模块在所述气流发生模块产生气流前停止产生声波。
  10. 如权利要求1或2所述的声波触控装置，其中所述声波触控模块包括至少一个声波发生器，所述至少一个声波发生器设置在所述护板的四周。
  11. 一种电子设备，所述电子设备包括如权利要求1至10任一项权利要求所述的声波触控装置。
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