CN112558686A - Function module and terminal equipment - Google Patents
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- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
- G06F1/1643—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being associated to a digitizer, e.g. laptops that can be used as penpads
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Abstract
The present disclosure relates to a functional module and a terminal device, including: a touch screen; the touch detection component is used for detecting touch operation acting on a display area of the touch screen; the signal transmitting assembly is positioned on the back of a display area of the touch screen and used for generating an ultrasonic signal with a first frequency, a vibration signal with a second frequency and a vibration signal with a third frequency, wherein the ultrasonic signal is used for detecting the distance between a target object and the touch screen; the vibration signal of the second frequency is used for forming vibration feedback on the touch operation at the corresponding position of the display area; the vibration signal of the third frequency is used for triggering the touch screen to vibrate to generate an audio signal. The embodiment of the disclosure realizes three functions through one functional module, can reduce the space occupied by the hardware shell or the bearing circuit board of the functional module on the terminal device, and improves the space utilization rate.
Description
Technical Field
The disclosure relates to the technical field of electronic equipment, in particular to a functional module and terminal equipment.
Background
With the continuous development of terminal equipment and the demands of users, the functions of the terminal equipment are increasingly rich. In order to support rich functions on the terminal device, the terminal device needs to accommodate more functional modules. At present, each function module on the terminal equipment independently realizes the corresponding function, and the space for accommodating each function module on the terminal equipment is limited, so that the problem that the function module occupies a large space of the terminal equipment exists.
Disclosure of Invention
The disclosure provides a functional module and a terminal device.
According to a first aspect of the embodiments of the present disclosure, there is provided a functional module, at least including:
a touch screen;
the touch detection component is used for detecting touch operation acting on a display area of the touch screen;
the signal transmitting assembly is positioned on the back of a display area of the touch screen and used for generating an ultrasonic signal with a first frequency, a vibration signal with a second frequency and a vibration signal with a third frequency, wherein the ultrasonic signal is used for detecting the distance between a target object and the touch screen; the vibration signal of the second frequency is used for forming vibration feedback on the touch operation at the corresponding position of the display area; the vibration signal of the third frequency is used for triggering the touch screen to vibrate to generate an audio signal.
In one embodiment, the first frequency is greater than a first frequency threshold; the second frequency is less than a second frequency threshold; the third frequency is less than the first frequency threshold and greater than the second frequency threshold; wherein the first frequency threshold is greater than the second frequency threshold.
In one embodiment, the signal emitting assembly is configured to generate the ultrasonic signal in a voice communication mode;
the functional module further comprises:
the signal receiving component is used for receiving an ultrasonic signal reflected by a target object, wherein the ultrasonic signal and the reflected ultrasonic signal are used for determining the distance between the target object and the touch screen.
In one embodiment, the signal transmitting component and the signal receiving component are located on the same plane; a center distance between the signal emitting assembly and the signal receiving assembly is less than a first distance threshold.
In one embodiment, the function module further includes:
the processing assembly is respectively connected with the signal transmitting assembly and the signal receiving assembly and is used for determining the time difference between the ultrasonic signal and the reflected ultrasonic signal according to the ultrasonic signal and the reflected ultrasonic signal; determining the distance between the target object and the touch screen according to the time difference or the time difference and the transmission rate of the ultrasonic signal; and when the distance between the target object and the touch screen is smaller than a second distance threshold, generating a control instruction, wherein the control instruction is used for controlling the touch screen to close the display function.
In an embodiment, the signal transmitting assembly is further configured to generate a vibration signal of a second frequency when receiving a vibration feedback instruction, and the vibration signal of the second frequency acts on the touch screen, so that the touch screen generates a first type of vibration, and the first type of vibration is used to form vibration feedback for the touch operation of the touch screen.
In an embodiment, the signal transmitting assembly is further configured to generate a vibration signal of a third frequency when receiving an instruction to output an audio signal, and the vibration signal of the third frequency is applied to the touch screen, so that the touch screen generates the second type of vibration.
In one embodiment, the signal emitting assembly is an actuator or a vibration sounder, wherein the vibration sounder is an electromagnetic vibration sounder or a piezoelectric vibration sounder.
In one embodiment, the back of the display area has at least one paste area;
the signal transmitting assembly is pasted on the at least one pasting area.
According to a second aspect of the embodiments of the present disclosure, a terminal device is provided, where the terminal device at least includes the functional module provided in one or more of the embodiments.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:
the ultrasonic signal that the signal emission subassembly produced can detect the distance between touch-control screen and the target object, and the vibration signal of the second frequency that the function module produced can make the touch-control screen form the vibration feedback to touch-control operation, and the vibration signal of the third frequency that the function module produced can make the touch-control screen produce the vibration in order to realize the screen sound production. That is to say, for the hardware casing or the carrier circuit board that set up these three function module of vibration feedback module, distance detection module and sound output module respectively on terminal equipment, this disclosed embodiment only need set up the hardware casing or the carrier circuit board of a function module on terminal equipment can, and then can reduce the hardware casing or the carrier circuit board of two at least function modules and occupy terminal equipment's space, improved terminal equipment's space utilization.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a first functional module diagram according to an exemplary embodiment.
FIG. 2 is a graph illustrating frequency and sound pressure level relationships of an ultrasonic signal according to an exemplary embodiment.
Fig. 3 is a functional module diagram two according to an exemplary embodiment.
FIG. 4 is a schematic diagram illustrating ultrasonic signal ranging in accordance with an exemplary embodiment.
Fig. 5 is a third schematic diagram of a functional module according to an exemplary embodiment.
Fig. 6 is a fourth functional module diagram according to an exemplary embodiment.
Fig. 7 is a functional block diagram illustrating a fifth exemplary embodiment.
Fig. 8 is a schematic diagram illustrating a function module implementing functions in a voice call scenario according to an exemplary embodiment.
Fig. 9 is a block diagram illustrating a structure of a terminal device according to an exemplary embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with embodiments of the present disclosure. Rather, they are merely examples of apparatus consistent with certain aspects of the embodiments of the present disclosure, as detailed in the appended claims.
The embodiment of the disclosure provides a functional module. Fig. 1 is a first functional module diagram according to an exemplary embodiment. As shown in fig. 1, the functional module at least includes:
a touch screen 11;
a touch detection component 12 for detecting a touch operation applied to a display area of the touch screen;
the signal transmitting component 13 is located on the back of the display area of the touch screen and is used for generating an ultrasonic signal with a first frequency, a vibration signal with a second frequency and a vibration signal with a third frequency, wherein the ultrasonic signal is used for detecting the distance between a target object and the touch screen; the vibration signal of the second frequency is used for forming vibration feedback on touch operation at the corresponding position of the display area; the vibration signal of the third frequency is used for triggering the touch screen to vibrate to generate an audio signal.
In the embodiment of the present disclosure, the touch screen is used for displaying information, and the touch screen includes a resistive touch screen, a capacitive sensing touch screen, an infrared touch screen, and a surface acoustic wave touch screen.
The touch detection assembly can detect touch operation on the touch screen, the touch detection assembly can be covered on the surface of the display surface of the touch screen, and can also be stacked on the back surface of the display surface in the touch screen.
The touch operation performed on the touch screen includes an operation performed by a user directly on the display area or an operation performed by a user on the display area through an object.
Illustratively, the operation includes, but is not limited to, a pressing operation, a clicking operation, or a sliding operation; such objects include, but are not limited to, a stylus.
In the embodiment of the disclosure, the signal transmitting assembly can generate an ultrasonic signal of a first frequency, and the ultrasonic signal is used for detecting the distance between the target object and the touch screen.
Illustratively, the first frequency of the ultrasonic signal of the first frequency may be greater than 20 KHZ.
As shown in FIG. 2, the signal transmitting assembly generates an ultrasonic signal having a sound pressure level greater than or equal to 80 decibels of sound pressure level (dbSPL) at a first frequency between 20KHZ and 40 KHZ. Therefore, the ultrasonic wave signal generated by the signal transmitting assembly can be used for measuring the distance between the touch screen and the target object.
In the embodiment of the disclosure, the second frequency signal generated by the signal transmitting assembly can act on the touch screen to form vibration feedback of touch operation. The second frequency is much smaller than the first frequency.
Illustratively, the second frequency in the vibration signal of the second frequency may be in a range between 100HZ and 200 HZ.
It can be understood that the second frequency vibration signal generated by the signal transmitting component drives the touch screen to vibrate to form vibration feedback of the touch operation, and then when a function corresponding to the touch operation is executed, a user can perceive feedback information of the touch operation through the vibration feedback, so that man-machine interaction is realized.
In the embodiment of the disclosure, the vibration signal of the third frequency generated by the signal transmitting component can trigger the touch screen to vibrate to generate an audio signal. The third frequency is greater than the second frequency and less than the first frequency.
Illustratively, the third frequency in the vibration signal of the third frequency may be in a range of 300HZ to 4 KHZ.
It should be noted that, when the functional module needs to output sound, such as voice call, information prompt, or music playing, the signal emitting component may be triggered to generate a third frequency vibration signal, so that the touch screen generates sound with different strengths.
For example, when voice communication is required using the speaker mode, the signal emitting component may generate a vibration signal with a frequency of 4KHZ, so that the sound emitted by the touch screen can be heard by a plurality of surrounding target objects without being close to the touch screen; when the earphone mode is required for voice communication, the signal transmitting assembly can generate a vibration signal with the frequency of 700Hz, so that the sound generated by touch can be heard only by a target object close to the touch screen.
It can be understood that, for the hardware casing or the carrying circuit board of the three functional modules, namely the vibration feedback module, the distance detection module and the sound output module, which are respectively arranged on the terminal device, the embodiment of the disclosure only needs to arrange the hardware casing or the carrying circuit board of one functional module on the terminal device, and then the hardware casing or the carrying circuit board of at least two functional modules can be reduced to occupy the space of the terminal device, thereby improving the space utilization rate of the terminal device.
In one embodiment, the first frequency is greater than a first frequency threshold; the second frequency is less than a second frequency threshold; the third frequency is smaller than the first frequency threshold and larger than the second frequency threshold; wherein the first frequency threshold is greater than the second frequency threshold.
Illustratively, the first frequency threshold may be set at 20KHZ and the second frequency threshold may be set at 200 HZ.
In one embodiment, a signal emitting assembly for generating an ultrasonic signal in a voice communication mode;
the function module still includes:
the signal receiving component is used for receiving the ultrasonic signal reflected by the target object, wherein the ultrasonic signal and the reflected ultrasonic signal are used for determining the distance between the target object and the touch screen.
In the implementation of the disclosure, the signal transmitting assembly is used for generating and transmitting an ultrasonic signal, and the signal receiving assembly is used for receiving the ultrasonic signal reflected by the target object, so that the distance between the target object and the touch screen can be determined based on the ultrasonic signal and the reflected ultrasonic signal through the mutual cooperation of the signal transmitting assembly and the signal receiving assembly.
Illustratively, the signal receiving component includes, but is not limited to, a microphone.
In the voice communication process, a speaker mode or a handset mode is generally used for voice communication. Considering that the distance between the target object and the touch screen in the speaker mode is much greater than the distance between the target object and the touch screen in the earpiece mode, the distance between the target object and the touch screen may be measured by the ultrasonic signal generated by the signal generation component to determine whether the current voice communication is in the earpiece mode.
It should be noted that, if the distance between the target object and the touch screen is greater than the predetermined threshold, it indicates that the voice communication adopts the speaker mode; if the distance between the target object and the touch screen is less than or equal to a predetermined threshold, it indicates that the voice communication is in an earpiece mode. Because touch display is not needed in the earphone mode, the touch screen display can be closed after the earphone mode is determined for voice communication, so that electric quantity is saved.
It can be understood that the signal transmitting assembly generates an ultrasonic signal in the voice communication mode, and the distance between the target object and the touch screen can be determined based on ultrasonic ranging, so that the purpose of saving electric quantity is finally achieved.
In one embodiment, as shown in fig. 3, the signal transmitting component 13 and the signal receiving component 14 are located on the same plane; the center distance between the signal emitting component 13 and the signal receiving component 14 is less than the first distance threshold.
In the embodiment of the present disclosure, the signal receiving module needs to receive the ultrasonic signal reflected by the target object, and therefore, in consideration of the reception range of the ultrasonic signal, the center distance between the signal transmitting module and the signal receiving module may be set according to the reception range of the signal receiving module.
Illustratively, the center distance between the signal transmitting assembly and the signal receiving assembly may be in the range of 6 to 20 millimeters, and the embodiments of the present disclosure are not limited.
In one embodiment, as shown in fig. 4, the function module further includes:
the processing assembly is respectively connected with the signal transmitting assembly and the signal receiving assembly and used for determining the time difference between the ultrasonic signal and the reflected ultrasonic signal according to the ultrasonic signal and the reflected ultrasonic signal; determining the distance between the target object and the touch screen through the time difference or the time difference and the transmission rate of the ultrasonic signal; and generating a control instruction when the distance between the target object and the touch screen is smaller than a second distance threshold, wherein the control instruction is used for controlling the touch screen to close the display function.
In an embodiment of the disclosure, determining the time difference between the ultrasonic signal and the reflected ultrasonic signal comprises: recording a first time when the signal transmitting assembly transmits the ultrasonic signal; recording a second time when the signal receiving assembly receives the reflected ultrasonic signal; a time difference between the ultrasonic signal and the reflected ultrasonic signal is determined based on the first time and the second time.
The time difference may reflect a distance between the target object and the touch screen, for example, when the time difference is lower than a time threshold, it may be determined that the distance between the target object and the touch screen is less than or equal to a predetermined threshold; when the time difference is higher than the time threshold, it can be determined that the distance between the target object and the touch screen is greater than a predetermined threshold. The distance between the target object and the touch screen can be calculated according to the time difference and the transmission rate of the ultrasonic signal. When the distance between the target object and the touch screen is smaller than the second distance threshold, the voice communication is in the receiver mode, display of the touch screen is not needed, and at the moment, the processing component can control the touch screen to close the display function.
In an embodiment, the signal transmitting assembly is further configured to generate a vibration signal of a second frequency when receiving the vibration feedback instruction, and apply the vibration signal of the second frequency to the touch screen, so that the touch screen generates a first type of vibration, and the first type of vibration is used to form vibration feedback for touch operation on the touch screen.
In the embodiment of the present disclosure, the applying the vibration signal with the second frequency to the touch screen to make the touch screen generate the first type of vibration includes: the signal transmitting assembly is adhered to the back face of the touch screen, and a second frequency vibration signal generated by the signal transmitting assembly can drive the touch screen to generate first type vibration, wherein the first type vibration is used for vibration feedback, so that a user can perceive feedback information corresponding to the execution of touch operation, and man-machine interaction is realized.
In an embodiment, the signal transmitting assembly is further configured to generate a vibration signal of a third frequency when receiving an instruction to output an audio signal, and the vibration signal of the third frequency is applied to the touch screen, so that the touch screen generates the second type of vibration.
In the embodiment of the present disclosure, the applying the vibration signal with the third frequency to the touch screen makes the touch screen generate the second type of vibration includes: the signal emission assembly is adhered to the back face of the touch screen, and a third frequency vibration signal generated by the signal emission assembly can drive the touch screen to generate second vibration, wherein the second vibration is used for generating an audio signal to enable the touch screen to sound.
It can be understood that the third frequency signal generated by the signal emission component can drive the touch screen to sound, the touch screen can sound instead of the existing sound production mode, and the hardware shell or the bearing circuit board of the sound output module does not need to be separately arranged, so that the space utilization rate of the terminal device is improved.
In one embodiment, the signal emitting assembly is an actuator or a vibration sounder device, wherein the vibration sounder device is an electromagnetic vibration sounder device or a piezoelectric vibration sounder device.
The electromagnetic vibration sounder utilizes the interaction of magnetic force generated by a coil and a magnetic component to generate vibration; the piezoelectric vibration component generates vibration by the expansion and contraction of a piezoelectric material.
Exemplary piezoelectric materials include, but are not limited to, piezoelectric crystal materials, piezoelectric ceramic materials, and piezoelectric polymers; the magnetic assembly includes, but is not limited to, a magnet.
In one embodiment, the back of the display area has at least one paste area; and the signal transmitting assembly is pasted on the at least one pasting area.
In the embodiment of the present disclosure, the signal emitting components are attached to at least one attaching area, and the attaching manner of the signal emitting components may be set according to the size of the attaching area, for example, two or more signal emitting components may be attached to one attaching area, or the attaching areas and the signal emitting components may be attached in a one-to-one correspondence manner.
It should be noted that the signal emitting components attached to the attachment area may perform different or the same functions.
The signal transmitting assembly may be adhered to the adhesive area on the back surface of the touch screen by an adhesive, for example, the adhesive may be various colloids, for example, the adhesive may be liquid glue or foam cotton glue, and embodiments of the present disclosure are not limited thereto.
In one embodiment, as shown in fig. 5, a signal emitting device 13 is disposed on a back portion of the display area of the touch screen 11; alternatively, the signal emitting device 13 is disposed on the entire area of the back surface of the display area of the touch screen 11.
In one embodiment, as shown in fig. 6, there are at least three signal emitting devices 13, and the at least three signal emitting devices 13 are disposed in an array on at least three pasting regions of the touch screen 11.
In an embodiment, as shown in fig. 7, there are two signal emitting devices 13, and the two signal emitting devices 13 are in the shape of a strip and are respectively disposed on two opposite sides of the back surface of the display area of the touch screen 11.
The following exemplifies the corresponding functions implemented by the functional module in the embodiment of the present disclosure in a voice communication scenario. As shown in fig. 8, the implementation of the corresponding function by the functional module in the voice call scenario includes the following steps:
s101, after the touch detection assembly detects the touch operation acting on the display area and the signal transmitting assembly receives the vibration feedback instruction, the signal transmitting assembly generates a vibration signal of a second frequency, so that the touch screen forms vibration feedback of the touch operation.
In the embodiment of the disclosure, the touch operation can correspondingly realize different functions. For example, the function corresponding to the touch operation may include unlocking a touch screen, playing music, opening an application program, or turning off an alarm clock. Therefore, the signal emitting component needs to generate a vibration signal with a second frequency, so that the user can sense the vibration feedback of the touch screen, and then the effectiveness or ineffectiveness of the touch operation is determined.
S102, when the touch operation detected by the touch detection component is the operation of triggering voice communication, the signal emission component generates a third frequency vibration signal based on the voice communication instruction, so that the touch screen generates an audio signal to realize voice communication.
S103, when the voice communication module is in a voice communication mode, the signal transmitting assembly generates an ultrasonic signal;
s104, detecting the distance between the touch screen and the target object based on the ultrasonic signal to determine whether to perform language communication in an earphone mode, and further determine whether to close the display function of the touch screen.
For example, when terminal equipment enters a voice call mode and is in an earphone mode state, the signal transmitting assembly can transmit ultrasonic signals at certain periodic intervals, and timely feeds back whether the touch screen needs to be closed, so that misoperation caused by the fact that the face of a user contacts the touch screen is prevented, and user use experience is improved.
It can be understood that the functional module executes different functions in a voice communication scene, so that the three modules, namely an independent sound output module, a distance detection module and a touch feedback module, do not need to be arranged on the terminal equipment, the functions corresponding to the three modules can be realized only by arranging one functional module, and then the space occupied by a shell or a bearing circuit board required by the two modules on the terminal equipment can be at least reduced, and the space utilization rate of the terminal equipment is improved.
The disclosed embodiment provides a terminal device, which at least comprises: the functional module in one or more of the above embodiments.
The terminal devices can be wearable electronic devices and mobile terminals; the mobile terminal comprises a mobile phone, a notebook computer and a tablet computer; this wearable electronic equipment includes intelligent wrist-watch, and this disclosed embodiment does not put a limit to.
It should be noted that "first" and "second" in the embodiments of the present disclosure are merely for convenience of description and distinction, and have no other specific meaning.
Fig. 9 is a block diagram illustrating a structure of a terminal device according to an exemplary embodiment. For example, the terminal device 800 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, and the like.
Referring to fig. 9, terminal device 800 may include one or more of the following components: a processing component 802, a memory 804, a power component 806, a multimedia component 808, an audio component 810, an input/output (I/O) interface 812, a sensor component 814, and a communications component 816.
The processing component 802 generally controls overall operation of the terminal device 800, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing components 802 may include one or more processors 820 to execute instructions to perform all or a portion of the steps of the methods described above. Further, the processing component 802 can include one or more modules that facilitate interaction between the processing component 802 and other components. For example, the processing component 802 can include a multimedia module to facilitate interaction between the multimedia component 808 and the processing component 802.
The memory 804 is configured to store various types of data to support operations at the terminal device 800. Examples of such data include instructions for any application or method operating on terminal device 800, contact data, phonebook data, messages, pictures, videos, and so forth. The memory 804 may be implemented by any type or combination of volatile or non-volatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
The multimedia component 808 comprises a screen providing an output interface between the terminal device 800 and a user. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 808 includes a front facing camera and/or a rear facing camera. When the terminal device 800 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera may receive external multimedia data. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.
The audio component 810 is configured to output and/or input audio signals. For example, the audio component 810 includes a Microphone (MIC) configured to receive an external audio signal when the terminal device 800 is in an operation mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may further be stored in the memory 804 or transmitted via the communication component 816. In some embodiments, audio component 810 also includes a speaker for outputting audio signals.
The I/O interface 812 provides an interface between the processing component 802 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.
In an exemplary embodiment, the terminal device 800 may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors or other electronic components for performing the above-described methods.
In an exemplary embodiment, a non-transitory computer-readable storage medium comprising instructions, such as the memory 804 comprising instructions, executable by the processor 820 of the terminal device 800 to perform the above-described method is also provided. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (10)
1. The utility model provides a functional module, its characterized in that, functional module includes at least:
a touch screen;
the touch detection component is used for detecting touch operation acting on a display area of the touch screen;
the signal transmitting assembly is positioned on the back of a display area of the touch screen and used for generating an ultrasonic signal with a first frequency, a vibration signal with a second frequency and a vibration signal with a third frequency, wherein the ultrasonic signal is used for detecting the distance between a target object and the touch screen; the vibration signal of the second frequency is used for forming vibration feedback on the touch operation at the corresponding position of the display area; the vibration signal of the third frequency is used for triggering the touch screen to vibrate to generate an audio signal.
2. The function module of claim 1, wherein the first frequency is greater than a first frequency threshold;
the second frequency is less than a second frequency threshold;
the third frequency is less than the first frequency threshold and greater than the second frequency threshold;
wherein the first frequency threshold is greater than the second frequency threshold.
3. The function module of claim 1, wherein the signal emitting assembly is configured to generate the ultrasonic signal in a voice communication mode;
the functional module further comprises:
the signal receiving component is used for receiving an ultrasonic signal reflected by a target object, wherein the ultrasonic signal and the reflected ultrasonic signal are used for determining the distance between the target object and the touch screen.
4. The function module of claim 3, wherein the signal transmitting component and the signal receiving component are located on the same plane; a center distance between the signal emitting assembly and the signal receiving assembly is less than a first distance threshold.
5. The functional module of claim 3, further comprising:
the processing assembly is respectively connected with the signal transmitting assembly and the signal receiving assembly and is used for determining the time difference between the ultrasonic signal and the reflected ultrasonic signal according to the ultrasonic signal and the reflected ultrasonic signal; determining the distance between the target object and the touch screen according to the time difference or the time difference and the transmission rate of the ultrasonic signal; and when the distance between the target object and the touch screen is smaller than a second distance threshold, generating a control instruction, wherein the control instruction is used for controlling the touch screen to close the display function.
6. The functional module according to claim 1, wherein the signal transmitting assembly is further configured to generate a vibration signal of a second frequency when receiving a vibration feedback instruction, and the vibration signal of the second frequency acts on the touch screen, so that the touch screen generates a first type of vibration, and the first type of vibration is used to form vibration feedback for the touch operation of the touch screen.
7. The functional module according to claim 1, wherein the signal transmitting component is further configured to generate a vibration signal of a third frequency when receiving an instruction to output an audio signal, and the vibration signal of the third frequency is applied to the touch screen, so that the touch screen generates the second type of vibration.
8. The function module of claim 1, wherein the signal emitting component is an exciter or a vibration sounder, wherein the vibration sounder is an electromagnetic vibration sounder or a piezoelectric vibration sounder.
9. The functional module according to claim 1, wherein the display area has at least one adhesive area on its back;
the signal transmitting assembly is pasted on the at least one pasting area.
10. A terminal device, characterized in that it comprises a functional module according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910916786.4A CN112558686A (en) | 2019-09-26 | 2019-09-26 | Function module and terminal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910916786.4A CN112558686A (en) | 2019-09-26 | 2019-09-26 | Function module and terminal equipment |
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| CN112558686A true CN112558686A (en) | 2021-03-26 |
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