WO2019047860A1 - 一种声波触控设备及终端 - Google Patents

一种声波触控设备及终端 Download PDF

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Publication number
WO2019047860A1
WO2019047860A1 PCT/CN2018/104203 CN2018104203W WO2019047860A1 WO 2019047860 A1 WO2019047860 A1 WO 2019047860A1 CN 2018104203 W CN2018104203 W CN 2018104203W WO 2019047860 A1 WO2019047860 A1 WO 2019047860A1
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Prior art keywords
sound
sound wave
processor
sound panel
panel
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PCT/CN2018/104203
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English (en)
French (fr)
Inventor
陈琼
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惠州Tcl移动通信有限公司
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Publication of WO2019047860A1 publication Critical patent/WO2019047860A1/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

Definitions

  • the present application relates to the field of touch technologies, and in particular, to an acoustic wave touch device and a terminal.
  • the touch screen is an inductive liquid crystal display device that can receive input signals such as contacts.
  • the on-screen tactile feedback system can drive various connecting devices according to a pre-programmed program, which can be used to replace the mechanical device.
  • the button panel of the type and through the liquid crystal display screen to create a live sound and video effect.
  • Today's smart phones, PDAs, tablets, digital cameras and other electronic products are mostly equipped with touch screens.
  • touch screens allows users to input operating commands in a more convenient way to manipulate electronic products.
  • the touch device in the electronic product is not only a capacitive touch screen or a resistive touch screen, but also changes through a capacitance value or a resistance value on the touch screen. To achieve the effect of touch.
  • capacitive or resistive touch screens have disadvantages such as being expensive.
  • the technical problem to be solved by the present application is to provide an acoustic wave touch device and a terminal to realize touch using the sound wave on the device and the terminal.
  • a technical solution adopted by the present application is to provide an acoustic wave touch device for operating according to an applied touch action, the device comprising: a sound panel for generating a first sound wave, And the waveform of the first sound wave is changed by the touch action; the pickup is configured to receive the changed first sound wave; and the processor is electrically coupled to the sound panel and the sound pickup respectively Connected to the sound panel for outputting the electrical signal to the sound panel to generate the first sound wave and for processing the changed first sound wave to generate a control command, the control An instruction for controlling the device to perform the operation; wherein, when the touch action acts on a position of the sound panel, a waveform of the first sound wave at the position changes; the processor changes the waveform The first first sound wave waveform is compared with the first sound wave waveform before the change to obtain position information of the position; wherein the first sound wave is a single frequency sound wave; the frequency of the single frequency sound wave Do not At 20KHz.
  • the processor acquires a change of a waveform parameter of the changed first sound wave, and matches the touch action from a correspondence between a pre-existing waveform parameter change and a touch action, and generates the control command control station.
  • the device performs the described operations.
  • the sound panel comprises a plurality of uniformly distributed exciters for generating a second acoustic wave, the first acoustic wave being superimposed by each of the second acoustic waves, the first acoustic wave covering the entire The sound panel.
  • the device further includes an audio decoding circuit, and the audio decoding circuit is electrically coupled to the processor, the sound panel, and the pickup, and is configured to decode and output an electrical signal output by the processor. Converting the module to the sound panel, so that the sound panel generates the first sound wave, encoding and converting the changed first sound wave received by the pickup to the processing Device.
  • the device further includes an amplifying circuit and a power management circuit; the amplifying circuit is electrically coupled to the processor and the sound panel, and is configured to amplify the electrical signal output by the processor, and Transmitting the amplified electrical signal to the sound panel to cause the sound panel to generate the first sound wave; the power management circuit and the sound panel, the pickup, the processor, and the The amplifying circuit is electrically coupled to supply power to the sound panel, the pickup, the processor, and the amplifying circuit.
  • the device further includes a speaker electrically coupled to the processor for emitting a third sound wave processed by the processor.
  • the device further includes a display module, and the sound panel is disposed on a display side surface of the display module, and the display module displays a touchable object.
  • an acoustic wave touch device for operating according to an applied touch action, the device comprising: a sound panel for generating a first sound wave And the waveform of the first sound wave changes under the action of the touch action; the pickup is configured to receive the changed first sound wave; the processor is respectively electrically connected to the sound panel and the sound pickup Coupling, for outputting an electrical signal to the sound panel, so that the sound panel generates the first sound wave, and is configured to process the changed first sound wave to generate a control instruction, Control instructions are used to control the device to perform the operation.
  • the processor converts the changed first sound wave waveform to a position before the change
  • the first acoustic waveform is compared to obtain positional information of the position.
  • the processor acquires a change of a waveform parameter of the changed first sound wave, and matches the touch action from a correspondence between a pre-existing waveform parameter change and a touch action, and generates the control command control station.
  • the device performs the described operations.
  • the first sound wave is a single frequency sound wave; the frequency of the single frequency sound wave is not less than 20 KHz.
  • the sound panel comprises a plurality of uniformly distributed exciters for generating a second acoustic wave, the first acoustic wave being superimposed by each of the second acoustic waves, the first acoustic wave covering the entire The sound panel.
  • the device further includes an audio decoding circuit, and the audio decoding circuit is electrically coupled to the processor, the sound panel, and the pickup, and is configured to decode and output an electrical signal output by the processor. Converting the module to the sound panel, so that the sound panel generates the first sound wave, encoding and converting the changed first sound wave received by the pickup to the processing Device.
  • the device further includes an amplifying circuit and a power management circuit; the amplifying circuit is electrically coupled to the processor and the sound panel, and is configured to amplify the electrical signal output by the processor, and Transmitting the amplified electrical signal to the sound panel to cause the sound panel to generate the first sound wave; the power management circuit and the sound panel, the pickup, the processor, and the The amplifying circuit is electrically coupled to supply power to the sound panel, the pickup, the processor, and the amplifying circuit.
  • the device further includes a speaker electrically coupled to the processor for emitting a third sound wave processed by the processor.
  • the device further includes a display module, and the sound panel is disposed on a display side surface of the display module, and the display module displays a touchable object.
  • a technical solution adopted by the present application is to provide a terminal, the terminal includes the above-mentioned acoustic wave touch device, and the acoustic wave touch device is configured to operate according to an applied touch action, and the device includes: a sound panel, configured to generate a first sound wave, and the waveform of the first sound wave changes under the action of the touch action; a pickup for receiving the changed first sound wave; the processor, respectively The sound panel and the sound pickup are electrically coupled to output an electrical signal to the sound panel, so that the sound panel generates the first sound wave, and are used to process the changed first Sound waves to generate control commands for controlling the device to perform the operations.
  • the processor converts the changed first sound wave waveform to a position before the change
  • the first acoustic wave waveform is compared to obtain position information of the position;
  • the processor acquires a change of a waveform parameter of the changed first sound wave, and corresponds to a touch motion change from a pre-existing waveform parameter
  • the touch action is matched in the relationship, and the control command is generated to control the device to perform the operation.
  • the first sound wave is a single frequency sound wave, and the frequency of the single frequency sound wave is not less than 20 KHz;
  • the sound panel comprises a plurality of uniformly distributed actuators, and the exciter is configured to generate a second sound wave, a first sound wave is superimposed by each of the second sound waves, the first sound wave covering the entire sound panel;
  • the device further comprising an audio decoding circuit, the audio decoding circuit and the processor, the sound The panel and the pickup are electrically coupled to decode and digitally convert the electrical signal output by the processor to the sound panel, so that the sound panel generates the first sound wave.
  • the changed first sound wave received by the pickup is encoded and analog-digital converted and transmitted to the processor.
  • the device further includes an amplifying circuit and a power management circuit; the amplifying circuit is electrically coupled to the processor and the sound panel, and is configured to amplify the electrical signal output by the processor, and Transmitting the amplified electrical signal to the sound panel to cause the sound panel to generate the first sound wave; the power management circuit and the sound panel, the pickup, the processor, and the The amplifying circuit is electrically coupled to supply power to the sound panel, the pickup, the processor, and the amplifying circuit; the device further includes a speaker, and the speaker is electrically coupled to the processor The device is configured to send a third sound wave processed by the processor; the device further includes a display module, and the sound panel is disposed on a display side surface of the display module, and the display module displays a touchable object. .
  • the utility model has the beneficial effects that the sound wave touch device of the present application generates the first sound wave by using the sound panel, and the first sound wave changes under the action of the touch action; and receives the changed first sound by using the sound pickup device.
  • the processor controls the sound wave touch device to operate according to the changed first sound wave generating control command. In this manner, the first sound wave can be used to reflect the touch action, and the touch action corresponding to the touch action can be performed. Operation, therefore, the present application can utilize the first sound wave to implement touch operations on the device and the terminal.
  • FIG. 1 is a schematic structural diagram of a first embodiment of a sound wave touch device of the present application
  • FIG. 2 is a schematic structural diagram of a second embodiment of the acoustic wave touch device of the present application.
  • FIG. 3 is a schematic structural diagram of a third embodiment of the acoustic wave touch device of the present application.
  • FIG. 4 is a schematic structural diagram of a fourth embodiment of the acoustic wave touch device of the present application.
  • 5A is a schematic structural diagram of a sound panel of the acoustic wave touch device of the embodiment of FIG. 4;
  • 5B is a first state diagram of a first sound wave of the sound panel of the embodiment of FIG. 5A;
  • Figure 5C is a second state diagram of the first sound wave of the sound panel of the embodiment of Figure 5A;
  • FIG. 6 is a schematic flow chart of an embodiment of a workflow of a sound wave touch device of the present application.
  • FIG. 7 is a schematic structural diagram of an embodiment of a terminal of the present application.
  • FIG. 1 is a schematic structural diagram of a first embodiment of a sound wave touch device according to the present application.
  • the acoustic wave touch device 101 of the present embodiment is for operating according to an applied touch action.
  • the acoustic wave touch device 101 of the present embodiment includes a sound panel 102, a pickup 103, and a processor 104.
  • the processor 104 is electrically coupled to the sound panel 102 and the pickup 103, respectively.
  • the sound panel 102 is configured to generate a first sound wave, and the first sound wave is changed by the touch action, the pickup 103 is configured to receive the changed first sound wave, and the processor 104 is configured to output an electrical signal to the sound panel 102.
  • the sound panel 102 generates a first sound wave and is used to process the changed first sound wave to generate a control command to control the acoustic wave touch device 101 to operate.
  • the waveform parameters of the first sound wave mainly include frequency, phase and amplitude.
  • the pickup 103 of the present embodiment is a digital microphone.
  • the biggest advantage of the digital microphone is that it has strong anti-interference ability, and does not need to have a high-frequency filter capacitor and a filter circuit as in the conventional microphone.
  • the digital microphone of this embodiment outputs a digital audio signal.
  • the digital microphone can be replaced with an analog pickup (eg, an analog microphone).
  • the acoustic wave touch device 101 of the present embodiment can use the sound panel 102 to emit a first sound wave, and use the first sound wave waveform change to reflect the touch action applied to the sound wave touch device 101, and execute and The operation corresponding to the touch action can implement the touch operation on the acoustic wave touch device 101 by using the first sound wave.
  • the waveform of the first sound wave changes at the position; the processor 104 processes the changed first sound wave to obtain the position. Position information; the processor 104 generates a control command according to the position information to control the acoustic wave touch device 101 to perform an operation corresponding to the touch action.
  • the “touch action acting on the sound panel 102” in the present embodiment refers to the first sound wave generated by the object that generates the touch action contacting the sound panel 102.
  • the processor 104 parses the changed first acoustic waveform by using a loaded software parsing algorithm, and performs the algorithm processing and division of the acquired coordinate data through the device manager of the hardware abstraction layer and the reference coordinates.
  • the noise correction obtains the position information of the position where the touch action is applied.
  • the processor 104 of the embodiment may compare the changed waveform with the waveform before the change to obtain position information of the first sound wave change, thereby obtaining position information applied by the touch action.
  • the processor 104 can also obtain position information that is distinct from the waveform of the other position from the changed waveform, and the position information is position information of the position where the touch action is applied.
  • the processor 104 of the embodiment may correspond to the specific change of the waveform parameter of the first sound wave and the touch action.
  • the change matches the corresponding touch action from the correspondence between the pre-existing waveform parameter change and the touch action, and generates a corresponding control command to control the operation corresponding to the touch action.
  • the processor 104 obtains that the amplitude of the first acoustic wave waveform decreases and the frequency increases, the pressing action is matched from the correspondence between the pre-existing waveform parameter change and the touch action, and the corresponding control command is executed and executed.
  • Pressing a corresponding click operation for example, if the phase of the waveform of the first sound wave is reduced by the processor 104, the left sliding motion is matched from the correspondence between the pre-existing waveform parameter change and the touch action, and corresponding
  • the control command controls the left touch operation of the touch interface corresponding to the left slide action, and the like.
  • the first sound wave can be used to control the corresponding operation in other manners.
  • the touch action can also be associated with a reference waveform (which can be obtained by testing in advance), and the changed waveform can be matched with the stored reference waveform to obtain a corresponding control command and the like.
  • the present application further provides the acoustic wave touch device of the second embodiment.
  • the acoustic wave touch device disclosed in this embodiment is described on the basis of the acoustic wave touch device of the above embodiment.
  • the acoustic wave touch device 201 of the present embodiment further includes a speaker 202.
  • the speaker 202 is electrically coupled to the processor 203.
  • the speaker 202 is configured to issue a third sound wave processed by the processor 203.
  • the third sound wave is used to provide an audio signal required by the user, and the third sound wave should be easily perceived by the human ear, and the frequency range is generally 20HZ-20KHZ.
  • the first sound wave of the acoustic wave touch device 201 of the embodiment is a single-frequency sound wave, and the single-frequency sound wave has strong independence, and is not easy to affect the third sound wave for providing the audio signal required by the user, and is not easy to be Affected by other sound waves.
  • the first sound wave and the third sound wave are set in different frequency bands.
  • the frequency of the single-frequency sound wave of this embodiment is not less than 20 kHz.
  • the present application further provides the acoustic wave touch device of the third embodiment.
  • the acoustic wave touch device disclosed in this embodiment is described on the basis of the acoustic wave touch device of the above embodiment.
  • the acoustic wave touch device 301 of the present embodiment further includes an audio decoding circuit 302.
  • the audio decoding circuit 302 is electrically coupled to the processor 303, the sound panel 304, and the pickup 305 for outputting the electrical signal output by the processor 303.
  • the decoding and digital-to-analog conversion are performed and then transmitted to the sound panel 304, so that the sound panel 304 generates a first sound wave, and the changed first sound wave received by the pickup 305 is encoded and analog-digital converted and transmitted to the processor 303.
  • the audio decoding circuit 302 is also electrically coupled to the speaker 306, and the electrical signal output by the processor 303 is decoded and digital-analog converted to be transmitted to the speaker 306 to cause the speaker 306 to generate a third sound wave.
  • the audio decoding circuit 302 of the present embodiment is a multimedia digital signal codec (CODEC).
  • CODEC is a multi-function circuit with functions such as compression, decompression, digital-to-analog conversion, analog-to-digital conversion, etc. It supports audio bus input and output, stereo output of multiple speakers, multiple pickup access, and control interface. In the actual circuit implementation process, different functions of the CODEC can be enabled according to different design requirements.
  • the audio decoding circuit 302 may also be other circuits or devices having compression and decompression functions.
  • the audio decoding circuit 302 of the embodiment performs data transmission between the processor 303 and the sound panel 304 through an I2S (Inter-IC Sound) bus interface.
  • I2S is a bus standard for audio data transmission between digital audio devices and is dedicated to data transmission between audio devices. It uses a design that transmits clock and data signals along separate wires. By separating the data from the clock signal, it avoids distortion caused by time difference, saving users the cost of purchasing professional equipment that resists audio jitter.
  • the specific model should be consistent with the audio bus input and output interfaces supported by the audio decoding circuit 302, facilitating high-speed, distortion-free transmission of data.
  • other bus interfaces may be used instead of I2S, such as time division multiplexing and pulse time division multiplexing.
  • the acoustic wave touch device 301 of the embodiment further includes an amplifying circuit 307 and a power management circuit 308.
  • the amplifying circuit 307 is electrically coupled to the processor 308 and the sound panel 304 for performing electrical signals output by the processor 303. Amplifying and transmitting the amplified electrical signal to the sound panel 304 to cause the sound panel 304 to generate a first sound wave; the power management circuit 308 and the sound panel 304, the pickup 305, the processor 303, the audio decoding circuit 302, and the amplifying circuit 307 Electrically coupled for powering the sound panel 304, the pickup 305, the processor 303, the audio decoding circuit 302, and the amplifying circuit 308.
  • the power management circuit 308 of the embodiment is also electrically coupled to the speaker 306 to supply power to the speaker 306.
  • the amplifier circuit 307 can further amplify the signals of the pickup 305 and the speaker 306.
  • the present application further provides the acoustic wave touch device of the fourth embodiment.
  • the acoustic wave touch control device disclosed in this embodiment is described on the basis of the acoustic wave touch device of the above embodiment.
  • the acoustic wave touch device 401 of the present embodiment further includes a display module 402, and the sound panel 403 is disposed on the display side surface of the display module 402, and the display module 402 provides a touchable object for the touch action.
  • the sound panel 403 is a transparent material.
  • FIG. 5A is a schematic structural diagram of a sound panel of the acoustic wave touch device of the embodiment of FIG. 4;
  • FIG. 5B is a first state diagram of the first sound wave of the sound panel of the embodiment of FIG.
  • Figure 5C is a second state diagram of the first sound wave of the sound panel of the embodiment of Figure 5A.
  • the sound panel 403 of this embodiment includes a plurality of uniformly distributed exciters 501 for generating a second acoustic wave, the second acoustic wave superimposing and synthesizing the first acoustic wave, and the first acoustic wave covers the entire acoustic panel 403 (as shown in FIG. 5B)
  • the uniform design can improve the touch precision of the sound panel 403.
  • the exciter 501 is a special vibration device.
  • the device is very low in acoustic cavity and does not require the traditional front and rear sound chamber structure design. Its driving will push the air vibration to generate a second sound wave, when the touch action acts on When the second sound wave changes its vibration behavior (as shown in Fig. 5C, the first sound wave waveform synthesized by the second sound wave changes significantly).
  • the setting of the exciter 501 can also be determined according to the specific requirements of the display interface for the touch function. For example, the distribution of the exciter 501 can be reduced for portions where only a few distant locations require a touch display interface.
  • FIG. 6 is a schematic flowchart of an embodiment of the workflow of the acoustic wave touch device of the present application. This embodiment specifically includes the following steps:
  • Step 601 Start the touch function.
  • Step 602 Initialize the sound panel, the audio decoding circuit, the pickup, and the speaker.
  • the initialization is mainly to power on the sound panel, audio decoding circuit, pickup, speaker and other circuits, and check whether it can work normally by powering on.
  • Step 603 Determine whether the initialization is successful. If successful, step 605 is performed, otherwise step 604 is performed.
  • Step 604 Prompt the user to restart the touch function or check the hardware.
  • Step 605 Parameter configuration. Specifically, the processor sends a command to the CODEC, and controls the CODEC to configure its own parameters, including parameters such as compression, analog-to-digital conversion, and I2S bus, and sends commands to configure parameters related to the speaker, pickup, sound panel, power management circuit, and amplifier circuit. For example, the power supply current and voltage of the power management circuit, the gain factor of the amplifier circuit, and the like are configured.
  • Step 606 Determine whether the parameter configuration is successful. If successful, proceed to step 608, otherwise proceed to step 607. Specifically, when the above circuits are successfully initialized, a feedback instruction is sent to notify the processor.
  • Step 607 An abnormal prompt.
  • Step 608 Acquire sound waves.
  • the principle of sound wave collection and the principle of using sound waves to realize the operation of touch on the device and the terminal have been described in detail in the above embodiments, and are not described here.
  • FIG. 7 is a schematic structural diagram of an embodiment of a terminal according to the present application.
  • This embodiment is a mobile phone terminal.
  • the terminal of the present application may be, but not limited to, a mobile phone, a PDA, a tablet computer, a digital camera, and the like.
  • the 701 includes a sound panel 703, a pickup 704, and a processor 705.
  • the processor 705 is electrically coupled to the sound panel 703 and the pickup 704, respectively.
  • the sound panel 703 is configured to generate a first sound wave, and the first sound wave is changed by the touch action, the pickup 704 is configured to receive the changed first sound wave, and the processor 705 is configured to output an electrical signal to the sound panel 703.
  • the sound panel 703 generates a first sound wave and processes the changed first sound wave to generate a control command, and the control terminal 701 operates.
  • the pickup 704 of the present embodiment can also be disposed at other positions of the terminal 701, such as the side of the terminal 701 or the side facing away from the sound panel 703.
  • the terminal 701 of the present embodiment can emit a first sound wave by using the sound panel 703, and reflect the touch action applied to the terminal 701 by using the first sound wave waveform change, and perform an operation corresponding to the touch action.
  • the first sound wave can be used to implement the touch operation on the terminal 701.
  • the extension of the terminal 701 of the present application is similar to the above embodiment, and details are not described herein.

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  • General Engineering & Computer Science (AREA)
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Abstract

一种声波触控设备（101）及终端。该声波触控设备（101）用于根据被施加的触摸动作进行操作，该设备（101）包括：声音面板（102），用于产生第一声波，且第一声波的波形在触摸动作的作用下变化；拾音器（103），用于接收变化后的第一声波；处理器（104），分别与声音面板（102）及拾音器（103）电性耦接，用于输出电信号给声音面板（102），以使声音面板（102）产生第一声波，并用于处理变化后的第一声波，产生控制指令控制该设备（101）进行操作。通过这种方式，能够通过第一声波实现对设备及终端的触控。

Description

一种声波触控设备及终端 【技术领域】
本申请涉及触控技术领域，特别是涉及一种声波触控设备及终端。
【背景技术】
触摸屏是一种可接收触头等输入讯号的感应式液晶显示装置，当接触了屏幕上的图形按钮时，屏幕上的触觉反馈系统可根据预先编程的程式驱动各种连结装置，可用以取代机械式的按钮面板，并借由液晶显示画面制造出生动的影音效果。现在的智能型手机、PDA、平板电脑、数字相机等电子产品，大多配备有触摸屏，利用触摸屏能够让用户以更方便的方式来输入操作指令以操控电子产品。
但本申请的发明人在长期的研发中发现，在目前现有技术中，电子产品中的触控装置不外是电容式触摸屏或是电阻式触摸屏，通过触摸屏上的电容值或电阻值产生变化来达到触控的效果。但电容式或电阻式触摸屏存在价格昂贵等缺点。
【发明内容】
本申请主要解决的技术问题是提供一种声波触控设备及终端，以实现利用声波对设备及终端的触控。
为解决上述技术问题，本申请采用的一个技术方案是：提供一种声波触控设备，用于根据被施加的触摸动作进行操作，所述设备包括：声音面板，用于产生第一声波，且所述第一声波的波形在所述触摸动作的作用下变化；拾音器，用于接收变化后的所述第一声波；处理器，分别与所述声音面板及所述拾音器电性耦接，用于输出电信号给所述声音面板，以使所述声音面板产生所述第一声波，并用于处理所述变化后的所述第一声波，以产生控制指令，所述控制指令用于控制所述设备进行所述操作；其中，所述触摸动作作用于所述声音面板一位置时，所述第一声波在所述位置的波形改变；所述处理器将所述变化后的第一声波波形与变化前的所述第一声波波形进行对比，以获取所述位置的位置信息；其中，所述第一声波为单频声波；所述单频声波的频率不小于20KHz。
其中，所述处理器获取所述变化后的第一声波的波形参数的变化，并从预 存在波形参数变化与触摸动作的对应关系中匹配出所述触摸动作，产生所述控制指令控制所述设备进行所述操作。
其中，所述声音面板包括多个分布均匀的激励器，所述激励器用于产生第二声波，所述第一声波由各所述第二声波叠加合成，所述第一声波覆盖整个所述声音面板。
其中，所述设备进一步包括音频解码电路，所述音频解码电路与所述处理器、所述声音面板及所述拾音器电性耦接，用于将所述处理器输出的电信号进行解码及数模转换成后传送给所述声音面板，以使所述声音面板产生所述第一声波，将拾音器接收的所述变化后的第一声波进行编码及模数转换后传输给所述处理器。
其中，所述设备进一步包括放大电路及电源管理电路；所述放大电路与所述处理器及所述声音面板电性耦接，用于对所述处理器输出的所述电信号进行放大，并将放大后的所述电信号传输给所述声音面板，以使所述声音面板产生所述第一声波；所述电源管理电路与所述声音面板、所述拾音器、所述处理器及所述放大电路电性耦接，用于对所述声音面板、所述拾音器、所述处理器及所述放大电路供电。
其中，所述设备进一步包括扬声器，所述扬声器与所述处理器电性耦接，用于发出所述处理器处理的第三声波。
其中，所述设备进一步包括显示模组，且所述声音面板设置于所述显示模组的显示侧表面，所述显示模组显示可触摸对象。
为解决上述技术问题，本申请采用的另一个技术方案是：提供一种声波触控设备，用于根据被施加的触摸动作进行操作，所述设备包括：声音面板，用于产生第一声波，且所述第一声波的波形在所述触摸动作的作用下变化；拾音器，用于接收变化后的所述第一声波；处理器，分别与所述声音面板及所述拾音器电性耦接，用于输出电信号给所述声音面板，以使所述声音面板产生所述第一声波，并用于处理所述变化后的所述第一声波，以产生控制指令，所述控制指令用于控制所述设备进行所述操作。
其中，所述触摸动作作用于所述声音面板一位置时，所述第一声波在所述位置的波形改变；所述处理器将所述变化后的第一声波波形与变化前的所述第一声波波形进行对比，以获取所述位置的位置信息。
其中，所述处理器获取所述变化后的第一声波的波形参数的变化，并从预 存在波形参数变化与触摸动作的对应关系中匹配出所述触摸动作，产生所述控制指令控制所述设备进行所述操作。
其中，所述第一声波为单频声波；所述单频声波的频率不小于20KHz。
其中，所述声音面板包括多个分布均匀的激励器，所述激励器用于产生第二声波，所述第一声波由各所述第二声波叠加合成，所述第一声波覆盖整个所述声音面板。
其中，所述设备进一步包括音频解码电路，所述音频解码电路与所述处理器、所述声音面板及所述拾音器电性耦接，用于将所述处理器输出的电信号进行解码及数模转换成后传送给所述声音面板，以使所述声音面板产生所述第一声波，将拾音器接收的所述变化后的第一声波进行编码及模数转换后传输给所述处理器。
其中，所述设备进一步包括放大电路及电源管理电路；所述放大电路与所述处理器及所述声音面板电性耦接，用于对所述处理器输出的所述电信号进行放大，并将放大后的所述电信号传输给所述声音面板，以使所述声音面板产生所述第一声波；所述电源管理电路与所述声音面板、所述拾音器、所述处理器及所述放大电路电性耦接，用于对所述声音面板、所述拾音器、所述处理器及所述放大电路供电。
其中，所述设备进一步包括扬声器，所述扬声器与所述处理器电性耦接，用于发出所述处理器处理的第三声波。
其中，所述设备进一步包括显示模组，且所述声音面板设置于所述显示模组的显示侧表面，所述显示模组显示可触摸对象。
为解决上述技术问题，本申请采用的一个技术方案是：提供一种终端，所述终端包括上述声波触控设备，声波触控设备用于根据被施加的触摸动作进行操作，所述设备包括：声音面板，用于产生第一声波，且所述第一声波的波形在所述触摸动作的作用下变化；拾音器，用于接收变化后的所述第一声波；处理器，分别与所述声音面板及所述拾音器电性耦接，用于输出电信号给所述声音面板，以使所述声音面板产生所述第一声波，并用于处理所述变化后的所述第一声波，以产生控制指令，所述控制指令用于控制所述设备进行所述操作。
其中，所述触摸动作作用于所述声音面板一位置时，所述第一声波在所述位置的波形改变；所述处理器将所述变化后的第一声波波形与变化前的所述第一声波波形进行对比，以获取所述位置的位置信息；所述处理器获取所述变化 后的第一声波的波形参数的变化，并从预存在波形参数变化与触摸动作的对应关系中匹配出所述触摸动作，产生所述控制指令控制所述设备进行所述操作。
其中，所述第一声波为单频声波，且所述单频声波的频率不小于20KHz；所述声音面板包括多个分布均匀的激励器，所述激励器用于产生第二声波，所述第一声波由各所述第二声波叠加合成，所述第一声波覆盖整个所述声音面板；所述设备进一步包括音频解码电路，所述音频解码电路与所述处理器、所述声音面板及所述拾音器电性耦接，用于将所述处理器输出的电信号进行解码及数模转换成后传送给所述声音面板，以使所述声音面板产生所述第一声波，将拾音器接收的所述变化后的第一声波进行编码及模数转换后传输给所述处理器。
其中，所述设备进一步包括放大电路及电源管理电路；所述放大电路与所述处理器及所述声音面板电性耦接，用于对所述处理器输出的所述电信号进行放大，并将放大后的所述电信号传输给所述声音面板，以使所述声音面板产生所述第一声波；所述电源管理电路与所述声音面板、所述拾音器、所述处理器及所述放大电路电性耦接，用于对所述声音面板、所述拾音器、所述处理器及所述放大电路供电；所述设备进一步包括扬声器，所述扬声器与所述处理器电性耦接，用于发出所述处理器处理的第三声波；所述设备进一步包括显示模组，且所述声音面板设置于所述显示模组的显示侧表面，所述显示模组显示可触摸对象。。
本申请的有益效果是：区别于现有技术，本申请声波触控设备利用声音面板产生第一声波，且第一声波在触摸动作的作用下变化；利用拾音器接收变化后的第一声波；利用处理器根据变化后的第一声波产生控制指令，控制该声波触控设备进行操作，通过这种方式，能够利用第一声波反映触摸动作，并执行与该触控动作对应的操作，因此，本申请能够利用第一声波来实现对设备及终端的触控操作。
【附图说明】
图1是本申请声波触控设备第一实施例的结构示意图；
图2是本申请声波触控设备第二实施例的结构示意图；
图3是本申请声波触控设备第三实施例的结构示意图；
图4是本申请声波触控设备第四实施例的结构示意图；
图5A是图4实施例声波触控设备的声音面板的结构示意图；
图5B是图5A实施例声音面板的第一声波的第一状态图；
图5C是图5A实施例声音面板的第一声波的第二状态图；
图6是本申请声波触控设备工作流程一实施例的流程示意图；
图7是本申请终端一实施例的结构示意图。
【具体实施方式】
请参阅图1，图1是本申请声波触控设备第一实施例的结构示意图。本实施例声波触控设备101用于根据被施加的触摸动作进行操作。本实施例声波触控设备101包括声音面板102、拾音器103及处理器104，处理器104分别与声音面板102、拾音器103电性耦接。声音面板102用于产生第一声波，且第一声波在触摸动作的作用下变化，拾音器103用于接收变化后的第一声波；处理器104用于输出电信号给声音面板102，以使声音面板102产生第一声波，并用于处理变化后的第一声波，以产生控制指令，控制声波触控设备101进行操作。
声波在传播过程中碰到物体时，会出现反射、衍射及散射等现象，从而改变其波形。在本实施例中，当用户的手指靠近或碰触到声音面板102的出声侧表面，接触到第一声波时，即用户的触摸动作作用于该第一声波时，会改变该第一声波的波形，该第一声波的波形参数主要包括频率、相位及幅度等。
本实施例的拾音器103为数字麦克风，数字麦克风的最大优点是抗干扰能力强，无需像传统传声器那样内置高频滤波电容、滤波器电路。本实施例的数字麦克风输出的是数字音频信号。在其它实施例中可以用模拟拾音器(例如，模拟麦克风)代替该数字麦克风。
区别于现有技术，本实施例声波触控设备101能够利用声音面板102发出第一声波，且利用该第一声波波形变化来反映施加于声波触控设备101的触摸动作，并执行与该触摸动作对应的操作，能够利用第一声波来实现对声波触控设备101的触控操作。
可选地，本实施例的触摸动作作用于声音面板102的某一位置时，该第一声波在该位置的波形改变；处理器104处理变化后的第一声波，以获得该位置的位置信息；处理器104根据该位置信息产生控制指令控制声波触控设备101进行与该触摸动作相应的操作。本实施例的“触摸动作作用于声音面板102”是指产生触摸动作的对象接触声音面板102产生的第一声波。
在一个应用场景中，处理器104通过加载的软件解析算法对变化后的第一 声波波形进行解析，将获取到的坐标数据通过硬件抽象层的设备管理器中与参考坐标进行算法处理及除噪校正，得到触摸动作施加位置的位置信息。
在另一应用场景中，本实施例的处理器104可以将变化后的波形与变化前的波形进行对比，以获得第一声波发生变化的位置信息，从而获得触摸动作施加的位置信息。当然，在其它应用场景中，处理器104还可以从变化后的波形中获取波形明显有别于其他位置波形的位置信息，该位置信息即为触摸动作施加位置的位置信息。
可选地，本实施例的处理器104可以将第一声波的波形参数的具体变化与触摸动作对应，在处理变化后的第一声波时，先获得变化的波形参数及该参数的具体变化，然后从预存在波形参数变化与触摸动作的对应关系中匹配出相应的触摸动作，并产生相应的控制指令控制执行与触摸动作相应的操作。例如，若处理器104获取到第一声波波形的幅度下降、频率增大，则从预存在波形参数变化与触摸动作的对应关系中匹配出下压动作，产生相应的控制指令控制执行与下压动作相应的单击操作，再例如若处理器104获取到第一声波的波形的相位减小，则从预存在波形参数变化与触摸动作的对应关系中匹配出左滑动作，产生相应的控制指令控制执行与左滑动作相应的触控界面左移操作，等等。当然，在其它实施例中还可以采用其它方式实现利用第一声波来控制相应的操作。例如，还可以将触摸动作与参考波形(可以事先通过测试获得)进行对应，可以将变化后的波形与存储的参考波形进行匹配，以获得相应的控制指令等等。
本申请进一步提供第二实施例的声波触控设备，本实施例所揭示的声波触控设备在上述实施例的声波触控设备的基础上进行描述。请参阅图2，本实施例声波触控设备201进一步包括扬声器202，扬声器202与处理器203电性耦接；扬声器202用于发出处理器203处理的第三声波。该第三声波用于提供用户所需的音频信号，该第三声波应容易被人耳所察觉，其频率范围一般为20HZ-20KHZ。
可选地，本实施例声波触控设备201的第一声波为单频声波，单频声波的独立性较强，不易影响上述用于提供用户所需的音频信号的第三声波，且不易受其他声波的影响。
为了防止声音面板204产生的第一声波与扬声器202产生的第三声波相互干扰，需将第一声波及第三声波设置在不同频段内。本实施例的单频声波的频率不小于20KHz。
本申请进一步提供第三实施例的声波触控设备，本实施例所揭示的声波触控设备在上述实施例的声波触控设备的基础上进行描述。请参阅图3，本实施例声波触控设备301进一步包括音频解码电路302，音频解码电路302与处理器303、声音面板304及拾音器305电性耦接，用于将处理器303输出的电信号进行解码及数模转换成后传送给声音面板304，以使声音面板304产生第一声波，将拾音器305接收的变化后的第一声波进行编码及模数转换后传输给处理器303，同时，音频解码电路302还与扬声器306电性耦接，将处理器303输出的电信号进行解码及数模转换成后传送给扬声器306，以使扬声器306产生第三声波。
在一个应用场景中，本实施例的音频解码电路302为多媒体数字信号编解码器(CODEC)。CODEC是一种多功能电路，它具有压缩、解压、数模转换、模数转换等功能，且支持音频总线输入和输出、多个扬声器的立体声输出、多个拾音器接入、控制接口等。在实际的电路实现过程中，可以根据不同的设计需求，启用CODEC的不同功能。在其它应用场景中，音频解码电路302也可以是其它具有压缩、解压功能的电路或器件。
可选地，本实施例的音频解码电路302与处理器303及声音面板304间通过I2S(Inter-IC Sound)总线接口进行数据传输。I2S是数字音频设备之间的音频数据传输的一种总线标准，专责于音频设备之间的数据传输。它采用了沿独立的导线传输时钟与数据信号的设计，通过将数据和时钟信号分离，避免了因时差诱发的失真，为用户节省了购买抵抗音频抖动的专业设备的费用。其具体型号应该与音频解码电路302支持的音频总线输入和输出接口一致，便于数据的高速、无失真传输。当然，在其它实施例中，还可以采用其它总线接口替代I2S，如时分复用及脉冲分时复用等。
可选地，本实施例声波触控设备301进一步包括放大电路307及电源管理电路308；放大电路307与处理器308及声音面板304电性耦接，用于对处理器303输出的电信号进行放大，并将放大后的电信号传输给声音面板304，以使声音面板304产生第一声波；电源管理电路308与声音面板304、拾音器305、处理器303、音频解码电路302及放大电路307电性耦接，用于对声音面板304、拾音器305、处理器303、音频解码电路302及放大电路308供电。当然，本实施例的电源管理电路308还与扬声器306电性耦接，给扬声器306供电，放大电路307也可以进一步对拾音器305及扬声器306的信号进行放大处理。
本申请进一步提供第四实施例的声波触控设备，本实施例所揭示的声波触 控设备在上述实施例的声波触控设备的基础上进行描述。本实施例声波触控设备401进一步包括显示模组402，且声音面板403设置于显示模组402的显示侧表面，显示模组402为触摸动作提供可触摸对象。其中，声音面板403为透明材质。
可选地，请一并参阅图5A-5C，图5A是图4实施例声波触控设备的声音面板的结构示意图；图5B是图5A实施例声音面板的第一声波的第一状态图；图5C是图5A实施例声音面板的第一声波的第二状态图。本实施例声音面板403包括多个分布均匀的激励器501，激励器501用于产生第二声波，第二声波叠加合成第一声波，第一声波覆盖整个声音面板403(如图5B所示)，该均匀化设计能够提高声音面板403的触控精度。
激励器501是一种特殊的震动器件，此器件对声学腔体的非常低，不需要传统的前、后音腔的结构设计，其驱动将推动空气震动产生第二声波，当触摸动作作用于第二声波的时候，会改变其振动行为(如图5C所示，由第二声波合成的第一声波波形明显改变)。
当然在其它实施例中，激励器501的设置还可以根据显示界面对触控功能的具体要求来定。例如，针对只有几个相距较远的位置需要触控显示界面的部分，则可以减少激励器501的分布。
请参阅图6，图6是本申请声波触控设备工作流程一实施例的流程示意图。本实施例具体包括以下步骤：
步骤601：启动触摸功能。
步骤602：初始化声音面板、音频解码电路、拾音器及扬声器。该初始化主要是给声音面板、音频解码电路、拾音器、扬声器及其他电路上电，通过上电来检查是否能正常工作。
步骤603：判断上述初始化是否成功。若成功则进行步骤605，否者进行步骤604。
步骤604：提示用户重新启动触摸功能，或者检查硬件。
步骤605：参数配置。具体来说，处理器发送命令给CODEC，控制CODEC配置自身的参数，包括压缩、模数转换、I2S总线等参数，并发送命令配置扬声器、拾音器、声音面板、电源管理电路及放大电路的相关参数，例如，配置电源管理电路的供电电流及电压的大小、放大电路的增益系数等。
步骤606：判断上述参数配置是否成功，若成功，则进行步骤608，否则进 行步骤607。具体来说，当上述各电路初始化成功后，会反馈指令通知处理器。
步骤607：异常提示。
步骤608：采集声波。声波的采集原理及利用声波实现触控对设备及终端的操作的原理都已在上述实施例中进行了详细的介绍，这里不赘述。
参阅图7，图7是本申请终端一实施例的结构示意图。本实施例为手机终端，当然，本申请终端可以是但不限于手机、PDA、平板电脑、数字相机等。本实施例终端701包括上述实施例的声波触控设备702，声波触控设备702具体包括声音面板703、拾音器704及处理器705，处理器705分别与声音面板703、拾音器704电性耦接。声音面板703用于产生第一声波，且第一声波在触摸动作的作用下变化，拾音器704用于接收变化后的第一声波；处理器705用于输出电信号给声音面板703，以使声音面板703产生第一声波，并用于处理变化后的第一声波，以产生控制指令，控制终端701进行操作。
当然，本实施例的拾音器704还可以设置于终端701的其它位置，如终端701的侧边或背离所述声音面板703的一侧。
区别于现有技术，本实施例终端701能够利用声音面板703发出第一声波，且利用该第一声波波形变化来反映施加于终端701的触摸动作，并执行与该触摸动作对应的操作，能够利用第一声波来实现对终端701的触控操作。
对本申请终端701的扩展与上述实施例类似，这里不赘述。
以上所述仅为本申请的实施方式，并非因此限制本申请的专利范围，凡是利用本申请说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本申请的专利保护范围内。

Claims (20)

  1. 一种声波触控设备，其中，用于根据被施加的触摸动作进行操作，所述设备包括：
    声音面板，用于产生第一声波，且所述第一声波的波形在所述触摸动作的作用下变化；
    拾音器，用于接收变化后的所述第一声波；
    处理器，分别与所述声音面板及所述拾音器电性耦接，用于输出电信号给所述声音面板，以使所述声音面板产生所述第一声波，并用于处理所述变化后的所述第一声波，以产生控制指令，所述控制指令用于控制所述设备进行所述操作；
    其中，所述触摸动作作用于所述声音面板一位置时，所述第一声波在所述位置的波形改变；所述处理器将所述变化后的第一声波波形与变化前的所述第一声波波形进行对比，以获取所述位置的位置信息；
    所述第一声波为单频声波，且所述单频声波的频率不小于20KHz。
  2. 根据权利要求1所述的设备，其中，所述处理器获取所述变化后的第一声波的波形参数的变化，并从预存在波形参数变化与触摸动作的对应关系中匹配出所述触摸动作，产生所述控制指令控制所述设备进行所述操作。
  3. 根据权利要求1所述的设备，其中，所述声音面板包括多个分布均匀的激励器，所述激励器用于产生第二声波，所述第一声波由各所述第二声波叠加合成，所述第一声波覆盖整个所述声音面板。
  4. 根据权利要求1所述的设备，其中，所述设备进一步包括音频解码电路，所述音频解码电路与所述处理器、所述声音面板及所述拾音器电性耦接，用于将所述处理器输出的电信号进行解码及数模转换成后传送给所述声音面板，以使所述声音面板产生所述第一声波，将拾音器接收的所述变化后的第一声波进行编码及模数转换后传输给所述处理器。
  5. 根据权利要求1所述的设备，其中，所述设备进一步包括放大电路及电源管理电路；
    所述放大电路与所述处理器及所述声音面板电性耦接，用于对所述处理器输出的所述电信号进行放大，并将放大后的所述电信号传输给所述声音面板，以使所述声音面板产生所述第一声波；
    所述电源管理电路与所述声音面板、所述拾音器、所述处理器及所述放大电路电性耦接，用于对所述声音面板、所述拾音器、所述处理器及所述放大电路供电。
  6. 根据权利要求1所述的设备，其中，所述设备进一步包括扬声器，所述扬声器与所述处理器电性耦接，用于发出所述处理器处理的第三声波。
  7. 根据权利要求1所述的设备，其中，所述设备进一步包括显示模组，且所述声音面板设置于所述显示模组的显示侧表面，所述显示模组显示可触摸对象。
  8. 一种声波触控设备，其中，用于根据被施加的触摸动作进行操作，所述设备包括：
    声音面板，用于产生第一声波，且所述第一声波的波形在所述触摸动作的作用下变化；
    拾音器，用于接收变化后的所述第一声波；
    处理器，分别与所述声音面板及所述拾音器电性耦接，用于输出电信号给所述声音面板，以使所述声音面板产生所述第一声波，并用于处理所述变化后的所述第一声波，以产生控制指令，所述控制指令用于控制所述设备进行所述操作。
  9. 根据权利要求8所述的设备，其中，所述触摸动作作用于所述声音面板一位置时，所述第一声波在所述位置的波形改变；
    所述处理器将所述变化后的第一声波波形与变化前的所述第一声波波形进行对比，以获取所述位置的位置信息。
  10. 根据权利要求9所述的设备，其中，所述处理器获取所述变化后的第一声波的波形参数的变化，并从预存在波形参数变化与触摸动作的对应关系中匹配出所述触摸动作，产生所述控制指令控制所述设备进行所述操作。
  11. 根据权利要求8所述的设备，其中，所述第一声波为单频声波，且所述单频声波的频率不小于20KHz。
  12. 根据权利要求8所述的设备，其中，所述声音面板包括多个分布均匀的激励器，所述激励器用于产生第二声波，所述第一声波由各所述第二声波叠加合成，所述第一声波覆盖整个所述声音面板。
  13. 根据权利要求8所述的设备，其中，所述设备进一步包括音频解码电路，所述音频解码电路与所述处理器、所述声音面板及所述拾音器电性耦接，用于将所述处理器输出的电信号进行解码及数模转换成后传送给所述声音面板，以 使所述声音面板产生所述第一声波，将拾音器接收的所述变化后的第一声波进行编码及模数转换后传输给所述处理器。
  14. 根据权利要求8所述的设备，其中，所述设备进一步包括放大电路及电源管理电路；
    所述放大电路与所述处理器及所述声音面板电性耦接，用于对所述处理器输出的所述电信号进行放大，并将放大后的所述电信号传输给所述声音面板，以使所述声音面板产生所述第一声波；
    所述电源管理电路与所述声音面板、所述拾音器、所述处理器及所述放大电路电性耦接，用于对所述声音面板、所述拾音器、所述处理器及所述放大电路供电。
  15. 根据权利要求8所述的设备，其中，所述设备进一步包括扬声器，所述扬声器与所述处理器电性耦接，用于发出所述处理器处理的第三声波。
  16. 根据权利要求8所述的设备，其中，所述设备进一步包括显示模组，且所述声音面板设置于所述显示模组的显示侧表面，所述显示模组显示可触摸对象。
  17. 一种终端，其特征在于，包括声波触控设备，用于根据被施加的触摸动作进行操作，所述设备包括：
    声音面板，用于产生第一声波，且所述第一声波的波形在所述触摸动作的作用下变化；
    拾音器，用于接收变化后的所述第一声波；
    处理器，分别与所述声音面板及所述拾音器电性耦接，用于输出电信号给所述声音面板，以使所述声音面板产生所述第一声波，并用于处理所述变化后的所述第一声波，以产生控制指令，所述控制指令用于控制所述设备进行所述操作。
  18. 根据权利要求17所述的设备，其中，所述触摸动作作用于所述声音面板一位置时，所述第一声波在所述位置的波形改变；
    所述处理器将所述变化后的第一声波波形与变化前的所述第一声波波形进行对比，以获取所述位置的位置信息；
    所述处理器获取所述变化后的第一声波的波形参数的变化，并从预存在波形参数变化与触摸动作的对应关系中匹配出所述触摸动作，产生所述控制指令控制所述设备进行所述操作。
  19. 根据权利要求17所述的设备，其中，所述第一声波为单频声波，且所述单频声波的频率不小于20KHz；
    所述声音面板包括多个分布均匀的激励器，所述激励器用于产生第二声波，所述第一声波由各所述第二声波叠加合成，所述第一声波覆盖整个所述声音面板；
    所述设备进一步包括音频解码电路，所述音频解码电路与所述处理器、所述声音面板及所述拾音器电性耦接，用于将所述处理器输出的电信号进行解码及数模转换成后传送给所述声音面板，以使所述声音面板产生所述第一声波，将拾音器接收的所述变化后的第一声波进行编码及模数转换后传输给所述处理器。
  20. 根据权利要求17所述的设备，其中，所述设备进一步包括放大电路及电源管理电路；
    所述放大电路与所述处理器及所述声音面板电性耦接，用于对所述处理器输出的所述电信号进行放大，并将放大后的所述电信号传输给所述声音面板，以使所述声音面板产生所述第一声波；
    所述电源管理电路与所述声音面板、所述拾音器、所述处理器及所述放大电路电性耦接，用于对所述声音面板、所述拾音器、所述处理器及所述放大电路供电；
    所述设备进一步包括扬声器，所述扬声器与所述处理器电性耦接，用于发出所述处理器处理的第三声波；
    所述设备进一步包括显示模组，且所述声音面板设置于所述显示模组的显示侧表面，所述显示模组显示可触摸对象。
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