CN112860092A - Virtual key touch feedback method, storage medium and device - Google Patents
Virtual key touch feedback method, storage medium and device Download PDFInfo
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- CN112860092A CN112860092A CN201911191884.2A CN201911191884A CN112860092A CN 112860092 A CN112860092 A CN 112860092A CN 201911191884 A CN201911191884 A CN 201911191884A CN 112860092 A CN112860092 A CN 112860092A
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- 238000000034 method Methods 0.000 title claims abstract description 39
- 230000005284 excitation Effects 0.000 claims abstract description 62
- 230000009471 action Effects 0.000 claims description 10
- 210000005069 ears Anatomy 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 4
- 230000006870 function Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
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- 230000001788 irregular Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 230000000737 periodic effect Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—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
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
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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
- G06F3/048—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
- G06F3/04886—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 by partitioning the display area of the touch-screen or the surface of the digitising tablet into independently controllable areas, e.g. virtual keyboards or menus
Abstract
A virtual key touch feedback method, a storage medium and a device are provided, wherein the method comprises the following steps: detecting touch operation on a virtual key through a piezoelectric sensor arranged below the virtual key and generating an electric signal; determining the force value when the virtual key is touched according to the electric signal; and determining an excitation voltage applied to the piezoelectric sensor according to the force value, and enabling the piezoelectric sensor to generate vibration feedback through the excitation voltage. The application can overcome the defect that users need to watch the display screen through eyes when the keys are operated, or listen to the sound emitted by the mobile phone through ears to bring, and the user experience is improved.
Description
Technical Field
The present disclosure relates to electronic product keying technologies, and in particular, to a virtual key touch feedback method, a storage medium, and an apparatus.
Background
The mobile phone design tends to be full-screen and flat, and in order to adapt to the trend, the situations of using physical keys on the mobile phone are less and less, and the situations of using virtual keys are more and more. When the mobile phone detects that the user performs operation by pressing the virtual key, such as returning to the main interface and controlling the volume, the user is usually notified by changing the display content of the display area or controlling the buzzer to change the sound, so that the user can perceive that the key operation is received and identified by the mobile phone. At this time, the user is required to watch the display screen with eyes or listen to the sound of the mobile phone with ears during the pressing operation. If the user is inconvenient to watch by taking the mobile phone or the surrounding environment is noisy, the user feedback mode in the related technology brings inconvenience to the user in using the mobile phone.
Disclosure of Invention
The application provides a virtual key touch feedback method, a storage medium and a device, which can overcome the defects that a user needs to watch a display screen with eyes or listen to sound emitted by a mobile phone with ears during key operation, and improve user experience.
The application provides a virtual key touch feedback method, which comprises the following steps:
detecting touch operation on a virtual key through a piezoelectric sensor arranged below the virtual key and generating an electric signal;
determining the force value when the virtual key is touched according to the electric signal;
and determining an excitation voltage applied to the piezoelectric sensor according to the force value, and enabling the piezoelectric sensor to generate vibration feedback through the excitation voltage.
The application can overcome the defect that users need to watch the display screen through eyes when the keys are operated, or listen to the sound emitted by the mobile phone through ears to bring, and the user experience is improved.
In an exemplary embodiment, determining an excitation voltage applied to the piezoelectric sensor from the force value comprises:
when the excitation voltage applied to the piezoelectric sensor is determined according to the force value, the intensity of the excitation voltage is in positive correlation with the force value.
In an exemplary embodiment, the positive correlation comprises: a linear positive correlation or a non-linear positive correlation; the intensity of the excitation voltage is proportional to the amplitude, duration and frequency of the excitation voltage.
In an exemplary embodiment, one or more of the virtual keys are provided, and a piezoelectric sensor is disposed below each virtual key.
In an exemplary embodiment, when there are a plurality of virtual keys, determining the excitation voltage applied to the piezoelectric sensor according to the force value includes: the intensity of the excitation voltage applied to the piezoelectric sensors under each virtual key is different, so that different piezoelectric sensors generate different vibration feedbacks.
In an exemplary embodiment, the intensity of the excitation voltage applied to the piezoelectric sensor under each virtual key is different, including: the frequency of the excitation voltage applied to the piezoelectric sensor under each virtual key is different, or the duration of the excitation voltage applied to the piezoelectric sensor under each virtual key is different.
In an exemplary embodiment, after determining the value of the force when the virtual key is touched according to the electrical signal, the method further includes:
triggering a first action when the force value is greater than or equal to a first threshold value and less than a second threshold value;
triggering a second action when the force value is greater than or equal to a second threshold.
In an exemplary embodiment, when the force value increases from the first threshold to the second threshold, the intensity of the excitation voltage applied to the piezoelectric sensor is determined to increase according to the force value, so that the intensity of the vibration feedback generated by the piezoelectric sensor also increases.
The computer-readable and writable storage medium provided by the present application stores computer-executable instructions that, when executed by a processor, implement the steps of the virtual key touch feedback method as described above.
The application provides a device, includes:
a memory for storing computer executable instructions;
a processor configured to execute the computer-executable instructions to implement the steps of the virtual key touch feedback method.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the application. Other advantages of the application may be realized and attained by the instrumentalities and combinations particularly pointed out in the specification, claims, and drawings.
Drawings
The accompanying drawings are included to provide an understanding of the present disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the examples serve to explain the principles of the disclosure and not to limit the disclosure.
Fig. 1 is a flowchart of a virtual key touch feedback method according to an embodiment of the present disclosure.
Detailed Description
The present application describes embodiments, but the description is illustrative rather than limiting and it will be apparent to those of ordinary skill in the art that many more embodiments and implementations are possible within the scope of the embodiments described herein. Although many possible combinations of features are shown in the drawings and discussed in the detailed description, many other combinations of the disclosed features are possible. Any feature or element of any embodiment may be used in combination with or instead of any other feature or element in any other embodiment, unless expressly limited otherwise.
The present application includes and contemplates combinations of features and elements known to those of ordinary skill in the art. The embodiments, features and elements disclosed in this application may also be combined with any conventional features or elements to form a unique inventive concept as defined by the claims. Any feature or element of any embodiment may also be combined with features or elements from other inventive aspects to form yet another unique inventive aspect, as defined by the claims. Thus, it should be understood that any of the features shown and/or discussed in this application may be implemented alone or in any suitable combination. Accordingly, the embodiments are not limited except as by the appended claims and their equivalents. Furthermore, various modifications and changes may be made within the scope of the appended claims.
Further, in describing representative embodiments, the specification may have presented the method and/or process as a particular sequence of steps. However, to the extent that the method or process does not rely on the particular order of steps set forth herein, the method or process should not be limited to the particular sequence of steps described. Other orders of steps are possible as will be understood by those of ordinary skill in the art. Therefore, the particular order of the steps set forth in the specification should not be construed as limitations on the claims. Further, the claims directed to the method and/or process should not be limited to the performance of their steps in the order written, and one skilled in the art can readily appreciate that the sequences may be varied and still remain within the spirit and scope of the embodiments of the present application.
An embodiment of the present application provides a virtual key touch feedback method, as shown in fig. 1, the method includes:
s101, detecting touch operation on a virtual key through a piezoelectric sensor arranged below the virtual key and generating an electric signal;
s102, determining a force value when the virtual key is touched according to the electric signal;
s103, determining an excitation voltage applied to the piezoelectric sensor according to the force value, and enabling the piezoelectric sensor to generate vibration feedback through the excitation voltage.
In this embodiment, the number of the virtual keys may be one or more, and one piezoelectric sensor is disposed below each virtual key, so that it is required to ensure that the virtual keys generate vibration feedback when being touched, and no vibration feedback is generated when other positions except the virtual keys on the touch screen are touched.
The piezoelectric sensor utilizes the inverse piezoelectric effect of the piezoelectric sensor, after an excitation voltage (usually an alternating electrical signal) is applied to the piezoelectric sensor, an electric field is applied to the dielectric medium of the piezoelectric sensor in the polarization direction of the dielectric medium, the dielectric medium generates mechanical deformation in a certain direction, and the mechanical deformation changes along with the change of the excitation voltage, so that vibration feedback is generated. And outputting the vibration feedback to a user as a feedback signal of the touched virtual key, so that the user can sense that the key operation is received and identified by the mobile phone by sensing the vibration. The embodiment of the application takes the vibration feedback as the feedback of the user touching the virtual key, so that the defect that the user needs to watch the display screen with eyes when the key is operated or listen to the sound emitted by the mobile phone with ears to bring can be overcome, and the user experience is improved.
In an exemplary embodiment, determining an excitation voltage applied to the piezoelectric sensor from the force value comprises:
when the excitation voltage applied to the piezoelectric sensor is determined according to the set force value, the intensity of the excitation voltage is in positive correlation with the force value. The positive correlation includes: a linear positive correlation or a non-linear positive correlation; the intensity of the excitation voltage is proportional to the amplitude, duration and frequency of the excitation voltage. The strength of the excitation voltage may be varied by varying one or more of the amplitude, duration and frequency of the excitation voltage.
If 500 units of force value are set to correspond to 0-100 steps, each step of force value is 5 units; the frequency and the duration of the excitation voltage are fixed, the amplitude adjusting range of the excitation voltage is 0-200V and is divided into 50 steps, the voltage of each step is 4V, the positive correlation relation between the force value and the amplitude of the excitation voltage can be that the force value is increased, the amplitude value of the excitation voltage is increased, the force value is reduced, and the amplitude value of the excitation voltage is reduced; the amplitude value of the excitation voltage is increased or decreased by one step for every two steps of increase or decrease of the magnitude value of the force. Similarly, a positive correlation between the magnitude of the force and the frequency or duration of the excitation voltage or any two or more of the frequency, amplitude and duration may also be set.
In the embodiment of the present application, since the force value and the excitation voltage strength have a positive correlation, and the excitation voltage strength applied to the piezoelectric sensor has a positive correlation with the vibration feedback signal of the piezoelectric sensor according to the inverse piezoelectric effect of the piezoelectric sensor, the force value and the vibration feedback signal have a positive correlation, and the vibration feedback signal is determined by the parameter amplitude, the frequency and the time.
The positive correlation between the intensity of the excitation voltage applied to the piezoelectric sensor and the vibration feedback signal of the piezoelectric sensor is as follows: the larger the amplitude of the excitation voltage is, the larger the vibration amplitude is, and the stronger the vibration sense experienced by a user is; the higher the frequency of the excitation voltage, the higher the vibration frequency; the longer the duration of the excitation voltage, the longer the duration of the shock.
Examples of inputting several different excitation voltage strengths to output different vibration feedbacks are given below:
1, excitation voltage signal: the input time is short, the voltage amplitude is high, and the frequency is high;
and (3) outputting: transient and intense sinking sensation shaking;
2, excitation voltage signal: the output time is long, the voltage amplitude is high, and the frequency is low;
and (3) outputting: continuous and tedious periodic vibration feedback;
3, excitation voltage signal: random voltage input
And (3) outputting: irregular vibration feedback.
In an exemplary embodiment, when there are a plurality of virtual keys, determining the excitation voltage applied to the piezoelectric sensor according to the force value includes: the intensity of the excitation voltage applied to the piezoelectric sensors under each virtual key is different, so that different piezoelectric sensors generate different vibration feedbacks. Wherein the intensity of the excitation voltage applied to the piezoelectric sensor under each virtual key is different, including: the frequency of the excitation voltage applied to the piezoelectric sensor under each virtual key is different, or the duration of the excitation voltage applied to the piezoelectric sensor under each virtual key is different. Therefore, after the user touches different virtual keys, the user can recognize that the user touches different virtual keys by sensing different vibration feedbacks, for example, the vibration feedback frequency corresponding to the master control Home virtual key is high, and the vibration feedback frequency corresponding to the sound virtual key is low.
In an exemplary embodiment, after determining the value of the force when the virtual key is touched according to the electrical signal, the method further includes:
triggering a first action when the force value is greater than or equal to a first threshold value and less than a second threshold value; the first action may be to maintain the current state of the functional app corresponding to the virtual key unchanged, and if the force value of pressing the virtual key by the user is greater than or equal to the first threshold and less than the second threshold in the closed state of the functional app corresponding to the virtual key, the functional app corresponding to the virtual key is not started at this time; when the force value of pressing the virtual key by the user is greater than or equal to the first threshold and less than the second threshold in the state that the function app corresponding to the virtual key is started, the function app corresponding to the virtual key maintains the starting state unchanged; (ii) a
Triggering a second action when the force value is greater than or equal to a second threshold; the second action may be to trigger a function app response pressing action corresponding to the virtual key, for example, when the force value of pressing the virtual key by the user is greater than or equal to a second threshold value in the closed state of the function app corresponding to the virtual key, the function app corresponding to the virtual key responds to the pressing action, and the function app is started.
In the embodiment of the present invention, when the force value is greater than or equal to the first threshold and less than the second threshold, the induced vibration feedback may notify the user that the key has been touched, and the amplitude, the frequency, and the duration of the vibration feedback signal at this time may be smaller. And when the force value is increased from the first threshold value to the second threshold value, determining that the intensity of the excitation voltage applied to the piezoelectric sensor is increased according to the force value, so that the intensity of vibration feedback generated by the piezoelectric sensor is increased.
In the embodiment of the present application, the manner of determining the touched force value of the virtual key according to the received electric signal generated by the piezoelectric sensor when the virtual key is touched may include any one of the following:
determining a touch force value according to a specific instantaneous maximum value of the electric signal;
determining a touch force value according to an energy accumulated value of the electric signal in a specific time period;
determining a touch force value according to an accumulated value or an average value of the electric signals in a specific time period;
and performing linear or nonlinear transformation on the touch force value to obtain a value serving as the determined touch force value. The present invention does not describe the specific calculation process of the above-mentioned force value determination method in detail, and reference may be made to related art documents.
The embodiment of the present application further provides a computer readable and writable storage medium, where the medium stores computer executable instructions, and the computer executable instructions, when executed by a processor, implement the steps of the virtual key touch feedback method according to the foregoing embodiment.
An embodiment of the present application further provides an apparatus, including:
a memory for storing computer executable instructions;
a processor, configured to execute the computer-executable instructions to implement the steps of the virtual key touch feedback method according to the foregoing embodiment.
It will be understood by those of ordinary skill in the art that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. Some or all of the components may be implemented as software executed by a processor, such as a digital signal processor or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
Claims (10)
1. A virtual key touch feedback method is characterized by comprising the following steps:
detecting touch operation on a virtual key through a piezoelectric sensor arranged below the virtual key and generating an electric signal;
determining the force value when the virtual key is touched according to the electric signal;
and determining an excitation voltage applied to the piezoelectric sensor according to the force value, and enabling the piezoelectric sensor to generate vibration feedback through the excitation voltage.
2. The virtual key touch feedback method according to claim 1, wherein determining the excitation voltage applied to the piezoelectric sensor according to the force value comprises:
when the excitation voltage applied to the piezoelectric sensor is determined according to the force value, the intensity of the excitation voltage is in positive correlation with the force value.
3. The virtual key touch feedback method according to claim 2,
the positive correlation includes: a linear positive correlation or a non-linear positive correlation; the intensity of the excitation voltage is proportional to the amplitude, duration and frequency of the excitation voltage.
4. The virtual key touch feedback method according to claim 2,
the number of the virtual keys is one or more, and a piezoelectric sensor is arranged below each virtual key.
5. The virtual key touch feedback method according to claim 4,
when there are a plurality of virtual keys, determining the excitation voltage applied to the piezoelectric sensor according to the force value, including: the intensity of the excitation voltage applied to the piezoelectric sensors under each virtual key is different, so that different piezoelectric sensors generate different vibration feedbacks.
6. The virtual key touch feedback method according to claim 5, wherein the excitation voltage applied to the piezoelectric sensor under each virtual key has different intensities, and comprises:
the frequency of the excitation voltage applied to the piezoelectric sensor under each virtual key is different, or the duration of the excitation voltage applied to the piezoelectric sensor under each virtual key is different.
7. The method for touch feedback of a virtual key according to claim 2, wherein after determining the force value of the virtual key when touched according to the electrical signal, the method further comprises:
triggering a first action when the force value is greater than or equal to a first threshold value and less than a second threshold value;
triggering a second action when the force value is greater than or equal to a second threshold.
8. The virtual key touch feedback method according to claim 7,
and when the force value is increased from the first threshold value to the second threshold value, determining that the intensity of the excitation voltage applied to the piezoelectric sensor is increased according to the force value, so that the intensity of vibration feedback generated by the piezoelectric sensor is increased.
9. A computer readable and writable storage medium storing computer executable instructions which, when executed by a processor, implement the steps of the virtual key touch feedback method according to any one of claims 1 to 8.
10. An apparatus, comprising:
a memory for storing computer executable instructions;
a processor for executing the computer-executable instructions to implement the steps of the virtual key touch feedback method according to any one of claims 1 to 8.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911191884.2A CN112860092A (en) | 2019-11-28 | 2019-11-28 | Virtual key touch feedback method, storage medium and device |
| PCT/CN2020/072745 WO2020147834A1 (en) | 2019-01-18 | 2020-01-17 | Intelligent device key control method and apparatus, and computer device and storage medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911191884.2A CN112860092A (en) | 2019-11-28 | 2019-11-28 | Virtual key touch feedback method, storage medium and device |
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- 2019-11-28 CN CN201911191884.2A patent/CN112860092A/en active Pending
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| CN203858612U (en) * | 2013-08-29 | 2014-10-01 | 福建省辉锐材料科技有限公司 | Transparent piezoelectric plate and touch panel |
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