CN107305432B - Terminal and method and device for realizing tactile feedback on terminal - Google Patents
Terminal and method and device for realizing tactile feedback on terminal Download PDFInfo
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- CN107305432B CN107305432B CN201610261321.6A CN201610261321A CN107305432B CN 107305432 B CN107305432 B CN 107305432B CN 201610261321 A CN201610261321 A CN 201610261321A CN 107305432 B CN107305432 B CN 107305432B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
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- 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
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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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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Abstract
The embodiment of the invention provides a method for realizing tactile feedback on a terminal, wherein the terminal comprises a touch screen, and the method comprises the following steps: acquiring historical pressure data of a user pressing a touch screen; the historical pressure data of the user pressing the touch screen comprises: at least one compression location, and pressure data corresponding to each compression location; acquiring a current pressing position of the touch screen; haptic feedback is provided based on pressure data corresponding to a current pressing position of the touch screen. The embodiment of the invention also discloses a device for realizing the tactile feedback on the terminal and the terminal.
Description
Technical Field
The invention relates to a terminal vibration control technology, in particular to a terminal and a method and a device for realizing touch feedback on the terminal.
Background
In terminal equipment, the application of pressure sensors is gradually rising, for example, a 3DTouch pressure sensing function can be realized on a mobile phone; how to obtain more beautiful and more shocking experience by utilizing the pressure sensing technology becomes a new subject.
In the prior art, the application of pressure sensing technology is simple, and force feedback cannot be realized based on a pressure sensor.
Disclosure of Invention
In order to solve the existing technical problems, embodiments of the present invention provide a terminal, and a method and an apparatus for implementing haptic feedback on the terminal, which can perform haptic feedback based on historical pressure data of a user pressing a touch screen and a current pressing position of the touch screen.
In order to achieve the above purpose, the technical solution of the embodiment of the present invention is realized as follows:
the embodiment of the invention provides a method for realizing tactile feedback on a terminal, wherein the terminal comprises a touch screen, and the method comprises the following steps:
acquiring historical pressure data of a user pressing a touch screen; the historical pressure data of the user pressing the touch screen comprises: at least one compression location, and pressure data corresponding to each compression location;
acquiring a current pressing position of the touch screen;
haptic feedback is provided based on pressure data corresponding to a current pressing position of the touch screen.
In the above aspect, the pressure data corresponding to each pressing position includes: and the corresponding relation between the pressure value at the corresponding pressing position of the touch screen and the time is acquired.
In the foregoing solution, the providing tactile feedback based on the pressure data corresponding to the current pressing position of the touch screen includes: searching pressure data corresponding to the current pressing position of the touch screen in the acquired historical pressure data of the touch screen pressed by the user; designing a vibration function based on the found pressure data; based on the designed vibration function, haptic feedback is provided.
In the above scheme, the terminal comprises at least one vibration device;
the method further comprises the following steps: setting a vibration weight value for each vibration device;
the designing of the shock function based on the found pressure data comprises: designing a corresponding vibration function for each vibration device according to the found pressure data and the vibration weight value of each vibration device;
the providing haptic feedback based on the designed vibration function includes: and driving the corresponding vibration devices to vibrate based on the vibration function corresponding to each vibration device.
In the above scheme, setting a vibration weight value for each vibration device includes: setting a vibration weight value of each vibration device according to at least one of the following information: the horizontal distance between the corresponding vibration device and the current pressing position of the touch screen, and the set correction parameters of the corresponding vibration device.
In the above scheme, the method further comprises: acquiring the attitude information of the terminal, and setting correction parameters for each vibration device based on the attitude information of the terminal.
In the above scheme, the acquiring the current pressing position of the touch screen includes: and acquiring the current pressing position of the touch screen, or taking at least one control position of the current display interface of the terminal as the current pressing position of the touch screen.
The embodiment of the invention also provides a device for realizing the tactile feedback on the terminal, wherein the terminal comprises a touch screen, and the device comprises: the device comprises a first acquisition module, a second acquisition module and a feedback module; wherein the content of the first and second substances,
the first acquisition module is used for acquiring historical pressure data of a user pressing the touch screen; the historical pressure data of the user pressing the touch screen comprises: at least one compression location, and pressure data corresponding to each compression location;
the second acquisition module is used for acquiring the current pressing position of the touch screen;
a feedback module to provide haptic feedback based on pressure data corresponding to a current press position of the touch screen.
In the above aspect, the pressure data corresponding to each pressing position includes: and the corresponding relation between the pressure value at the corresponding pressing position of the touch screen and the time is acquired.
In the above scheme, the feedback module includes a search unit, a design unit and a feedback unit; wherein the content of the first and second substances,
the searching unit is used for searching pressure data corresponding to the current pressing position of the touch screen in the acquired historical pressure data of the touch screen pressed by the user;
a design unit for designing a vibration function based on the found pressure data;
and the feedback unit is used for providing tactile feedback based on the designed vibration function.
In the above scheme, the terminal comprises at least one vibration device; the device also comprises a setting module;
the setting module is used for setting a vibration weight value for each vibration device;
the design unit is specifically used for designing a corresponding vibration function for each vibration device according to the found pressure data and the vibration weight value of each vibration device;
the feedback unit is specifically configured to drive the corresponding vibration device to vibrate based on the vibration function corresponding to each vibration device.
In the foregoing scheme, the setting module is specifically configured to set a vibration weight value of each vibration device according to at least one of the following information: the horizontal distance between the corresponding vibration device and the current pressing position of the touch screen, and the set correction parameters of the corresponding vibration device.
In the above scheme, the setting module is further configured to obtain attitude information of the terminal, and set a correction parameter for each vibration device based on the attitude information of the terminal.
The embodiment of the invention also provides a terminal, which comprises a touch screen, a processor and at least one vibration device; wherein the content of the first and second substances,
the processor is used for acquiring historical pressure data of a user pressing the touch screen and the current pressing position of the touch screen; the historical pressure data of the user pressing the touch screen comprises: at least one compression location, and pressure data corresponding to each compression location;
the processor is further used for sending a driving signal to at least one vibration device based on pressure data corresponding to the current pressing position of the touch screen;
each vibration device is used for generating vibration according to the received driving signal.
In the above aspect, the pressure data corresponding to each pressing position includes: and the corresponding relation between the pressure value at the corresponding pressing position of the touch screen and the time is acquired.
In the above scheme, the processor is specifically configured to search pressure data corresponding to a current pressing position of the touch screen from the acquired historical pressure data of the touch screen pressed by the user; designing a vibration function based on the found pressure data; and sending corresponding driving signals to each vibration device according to the designed vibration function.
In the above scheme, the processor is further configured to set a vibration weight value for each vibration device; designing a corresponding vibration function for each vibration device according to the found pressure data and the vibration weight value of each vibration device; and sending corresponding driving signals to each vibration device according to the vibration function corresponding to each vibration device.
An embodiment of the present invention further provides a computer storage medium, which stores a program for processing according to the following operation steps:
acquiring historical pressure data of a user pressing a touch screen; the historical pressure data of the user pressing the touch screen comprises: at least one compression location, and pressure data corresponding to each compression location;
acquiring a current pressing position of the touch screen;
haptic feedback is provided based on pressure data corresponding to a current pressing position of the touch screen.
In the terminal and the method and the device for realizing the tactile feedback on the terminal provided by the embodiment of the invention, historical pressure data of a user pressing a touch screen are obtained; acquiring a current pressing position of the touch screen; providing haptic feedback based on pressure data corresponding to a current pressing position of the touch screen; therefore, the touch feedback can be carried out based on the historical pressure data of the touch screen pressed by the user and the current pressing position of the touch screen, so that various touch feedback effects can be generated, the application of the pressure sensing technology is enriched, and the touch feedback control method has the characteristic of high reliability; in addition, because the hardware used on the terminal is the existing configuration of the terminal, no additional cost is required to be added.
Drawings
FIG. 1 is a flow chart of a first embodiment of a method of implementing haptic feedback on a terminal according to an embodiment of the present invention;
FIG. 2 is a diagram illustrating pressure values at different positions of a touch screen at the same time point according to an embodiment of the present invention;
FIG. 3 is a graphical representation of a function of pressure values at a pressing location in accordance with an embodiment of the present invention;
FIG. 4 is a diagram of an example of a hardware configuration of a terminal used in a second embodiment of the method of implementing haptic feedback on a terminal according to the present invention;
FIG. 5 is a flow chart of a second embodiment of a method of implementing haptic feedback on a terminal in accordance with the present invention;
FIG. 6 is a diagram illustrating a handheld gesture of a terminal according to a third embodiment of the method for implementing haptic feedback on the terminal according to the present invention;
FIG. 7 is a flowchart of a third embodiment of a method of implementing haptic feedback on a terminal in accordance with the present invention;
FIG. 8 is a schematic diagram showing the horizontal distance between each vibration device and the current pressing position of the touch screen in the third embodiment of the method for implementing tactile feedback on a terminal according to the present invention;
FIG. 9 is a diagram illustrating the vibration functions provided for the respective motors in a third embodiment of the method for implementing haptic feedback on a terminal according to the present invention;
FIG. 10 is a schematic diagram illustrating the structure of an apparatus for implementing haptic feedback on a terminal according to an embodiment of the present invention;
FIG. 11 is a schematic structural diagram of a feedback module in an apparatus for implementing haptic feedback on a terminal according to an embodiment of the present invention;
fig. 12 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment of the invention records a method for realizing tactile feedback on a terminal, which can be applied to the terminal, wherein the terminal comprises a touch screen and can be a fixed terminal or a mobile terminal; the mobile terminal can be a smart phone, a tablet personal computer or wearable equipment (such as smart glasses, a smart watch and the like), and can also be a smart car or a smart household appliance (such as a smart refrigerator, a smart battery, a set-top box and the like); the operating system of the smartphone may be an android operating system, an IOS operating system, or any other operating system developed by a third party and capable of running on a microcomputer structure (including at least a processor and a memory) (e.g., a mobile Linux system, a blackberry QNX operating system, etc.).
The terminal is provided with a touch screen which is an induction type display device capable of receiving input signals of a contact and the like, when a graphic button on the screen is contacted, a touch feedback system on the screen can drive various connecting devices according to a pre-programmed program, and can be used for replacing a mechanical button panel and manufacturing vivid video and audio effects by means of a display picture.
The terminal can further comprise a sensor for collecting touch screen pressing information, wherein the touch screen pressing information comprises at least one of the following information: at least one compression location, and pressure data corresponding to each compression location; in practical application, the sensor can be arranged below a touch screen of the terminal, and the sensor can be a pressure sensor or a pressure touch module for realizing a 3d touch function.
The terminal can be also provided with a processor, and the processor can be a processor specially arranged for implementing the embodiment of the invention; the processor is in communication connection with the sensor, and can acquire information of the pressing position of the touch screen and process the acquired information.
Based on the above-described terminal and touch panel, the following embodiments are proposed.
First embodiment
A first embodiment of the present invention provides a method for implementing haptic feedback on a terminal, and fig. 1 is a flowchart of a first embodiment of a method for implementing haptic feedback on a terminal according to an embodiment of the present invention, as shown in fig. 1, where the flowchart includes:
step 100: acquiring historical pressure data of a user pressing a touch screen; the historical pressure data of the user pressing the touch screen comprises: at least one compression location, and pressure data corresponding to each compression location.
Here, the pressure data corresponding to each pressing position may be: the corresponding relation between the pressure value and the time at the corresponding pressing position of the touch screen is acquired; the pressure value of the touch screen at the corresponding pressing position is used for representing the pressure of the touch screen at the corresponding pressing position.
In practical application, when a user presses a touch screen, a pressure sensor or a pressure touch module can be used for acquiring pressure values of a plurality of pressing positions of the touch screen, and for each pressing position of the touch screen, the pressure value usually changes along with the change of time, that is, the pressure value of each pressing position of the touch screen is a function taking time as an independent variable; therefore, after acquiring the corresponding relation between the acquired pressure value at the corresponding pressing position of the touch screen and the time, the function of the pressure value at the corresponding pressing position of the touch screen is actually obtained.
For example, the pressing position may be expressed in the form of two-dimensional coordinates, and the pressure value of the pressing position with coordinates (x, y) may be expressed as pressure (x, y) or p (x, y), where x and y respectively represent an abscissa and an ordinate of a two-dimensional coordinate system established on the plane where the touch screen is located, and in the two-dimensional coordinate system established on the plane where the touch screen is located, the position of the origin may be set as appropriate, for example, the origin may be set at the center, the upper left corner, the upper right corner, the lower left corner, or the lower right corner of the touch screen.
Here, in historical pressure data of a user pressing the touch screen, pressure values at different pressing positions may be different at the same time point, fig. 2 is a schematic diagram of pressure values at different positions of the touch screen at the same time point in the embodiment of the present invention, as shown in fig. 2, an X axis represents a horizontal axis of a two-dimensional coordinate system established on a plane where the touch screen is located, a Y axis represents a vertical axis of the two-dimensional coordinate system established on the plane where the touch screen is located, and a Z axis is used for representing pressure values at different pressing positions; in fig. 2, the two-dimensional coordinate position where the pressure value is greater than 0 represents the pressed position of the user, and the two-dimensional coordinate position where the pressure value is 0 represents the position not pressed by the user.
Correspondingly, a pressure value function p (t) at the corresponding pressing position of the touch screen can be constructed according to the corresponding relationship between the collected pressure values at the corresponding pressing position of the touch screen and the time, wherein p (t) represents a function with the time t as an independent variable, and fig. 3 is a schematic diagram of the pressure value function at one pressing position in the embodiment of the invention, as shown in fig. 3, the horizontal axis represents the time t, and the vertical axis represents the pressure values p (t).
In practical application, when the corresponding relation between the pressure value at the corresponding pressing position of the touch screen and the time is acquired, the pressure value at the corresponding pressing position from the set time length can be acquired, and the set time length can be more than or equal to 1 second.
Step 101: and acquiring the current pressing position of the touch screen.
In this step, the current pressing position of the touch screen may be obtained in the following two ways.
Mode 1: and acquiring the current pressing position of the touch screen.
Here, the current pressing position of the touch screen can be acquired by using a pressure sensor or a pressure touch module for realizing a 3d touch function; in practical application, when a user presses the touch screen with a finger, the pressing position of the user finger is an area of a plane where the touch screen is located, so that when the pressing area of the user finger is collected by using a pressure sensor or a pressure touch module for realizing a 3d touch function, one point can be selected from the pressing area of the user finger to serve as the current pressing position of the touch screen.
Mode 2: and taking at least one control position of the current display interface of the terminal as the current pressing position of the touch screen.
Here, the current display interface of the terminal may be an interface for displaying desktop icons, or a human-computer interaction interface of any application of the terminal; when any one control position of the current display interface of the terminal is pressed, man-machine interaction can be realized; for example, the manipulation position of the current display interface of the terminal is included in a manipulation icon position of the current display interface of the terminal, and in practical applications, a manipulation icon position of the current display interface of the terminal may be first obtained, and then, a point of the manipulation icon position of the current display interface of the terminal is used as the current pressing position of the touch screen.
The following description will take the man-machine interface of a "racing game" as an example. The current display interface of the terminal is a man-machine interaction interface of a racing game, the man-machine interaction interface of the racing game is provided with a throttle control icon position and a brake control icon position, and at the moment, one point can be selected from the throttle control icon position or the brake control icon position to serve as the current pressing position of the touch screen.
Step 102: haptic feedback is provided based on pressure data corresponding to a current pressing position of the touch screen.
The method specifically comprises the following steps: searching pressure data corresponding to the current pressing position of the touch screen in the acquired historical pressure data of the touch screen pressed by the user; designing a vibration function based on the found pressure data; based on the designed vibration function, haptic feedback is provided.
Here, since the above-mentioned historical pressure data of the user pressing the touch screen includes the correspondence between the pressing position and the pressure data, when the current pressing position of the touch screen is included in the historical pressure data of the user pressing the touch screen, the pressure data corresponding to the current pressing position of the touch screen can be searched based on the historical pressure data of the user pressing the touch screen; of course, if the pressing position in the above-mentioned historical pressure data of the user pressing the touch screen does not include the current pressing position of the touch screen, the pressure data corresponding to the current pressing position of the touch screen cannot be found, and at this time, the flow is directly ended.
Here, the vibration function may be a function for representing a correspondence between a haptic feedback magnitude and time, that is, the vibration function is a haptic feedback magnitude function with time as an argument, and the searched pressure data includes a correspondence between a pressure value of a current pressing position of the touch screen and time, and therefore, the above-mentioned designing of the vibration function based on the searched pressure data includes: designing a vibration function according to the corresponding relation between the pressure value of the current pressing position of the touch screen and the time; for example, the correspondence between the pressure value and the time of the current pressing position of the touch screen may be represented as a pressure value function p1(t) with the time t as an argument, and at this time, a vibration function may be designed based on the function p1(t), and in particular, the function p1(t) may be directly taken as the vibration function.
In practical applications, when the haptic feedback may be implemented by a vibration device provided on the terminal, accordingly, the haptic feedback magnitude may be a vibration magnitude of the vibration device.
It can be seen that when the pressure data corresponding to each pressing position includes the corresponding relationship between the pressure value at the corresponding pressing position of the touch screen and the time, the vibration function is conveniently designed based on the found pressure data, and then the tactile feedback is favorably provided.
In the first embodiment of the method for realizing the tactile feedback on the terminal, the method is used for performing the tactile feedback based on the historical pressure data of the touch screen pressed by the user and the current pressing position of the touch screen, so that various tactile feedback effects can be generated, the application of the pressure sensing technology is enriched, and the method has the characteristic of high reliability; in addition, because the hardware used on the terminal is the existing configuration of the terminal, no additional cost is required to be added.
Second embodiment
To further illustrate the object of the present invention, the first embodiment of the present invention is further illustrated.
In order to implement the method for implementing haptic feedback on a terminal according to the second embodiment of the present invention, at least one vibration device is disposed on the terminal, the vibration device may be a vibration device such as a linear motor, the vibration device may vibrate under the control of a vibration control signal, and the vibration control signal may be generated by a processor of the terminal.
Here, the number of the vibration devices and the positions of the vibration devices are not limited, and the number and the positions of the vibration devices will be exemplarily described below with reference to fig. 4.
Fig. 4 is a diagram illustrating an example of a hardware structure of a terminal used in a second embodiment of a method for implementing haptic feedback on a terminal according to the present invention, where, as shown in fig. 4, a pressure touch module 401 for implementing a 3d touch function is disposed at a touch screen of the terminal, and the pressure touch module 401 includes a plurality of pressure sensors; the panel below the touch screen is provided with 4 linear motors 402 (positions marked by circles in fig. 4), which are vibration devices provided on the terminal, the 4 linear motors being respectively provided at four corners of the corresponding panel.
Fig. 5 is a flowchart of a second embodiment of the method for implementing haptic feedback on a terminal according to the present invention, as shown in fig. 5, the flowchart includes:
500-501: the steps are completely the same as the steps 100-101 and are not repeated here.
Step 502: and setting a vibration weight value for each vibration device.
The method specifically comprises the following steps: setting a vibration weight value of each vibration device according to at least one of the following information: the horizontal distance between the corresponding vibration device and the current pressing position of the touch screen, and the set correction parameters of the corresponding vibration device.
Here, each vibration device is not generally located on the plane of the touch screen, and the horizontal distance between each vibration device and the current pressing position of the touch screen is used for representing the distance between the projection position of the corresponding vibration device on the touch screen and the current pressing position of the touch screen; the projection position of each vibration device on the touch screen can be input into the terminal in advance, so that after the current pressing position of the touch screen is obtained, the horizontal distance between each vibration device and the current pressing position of the touch screen can be obtained through calculation; for example, if the coordinates of the projected position of a vibration device on the touch screen are (x1, y1) and the coordinates of the current pressed position of the touch screen are (x2, y2), the horizontal distance d1 between the vibration device and the current pressed position of the touch screen is:
here, the correction parameter of each vibration device may be set in advance, and when a plurality of correction parameters are set in the terminal, the correction parameters of the respective vibration devices may be the same or different.
Preferably, attitude information of the terminal may be acquired, and then correction parameters may be set for each vibration device based on the attitude information of the terminal; specifically, the vibration devices can be respectively marked based on the attitude information of the terminal, any one vibration device can be marked as a key vibration device or an auxiliary vibration device, and the same correction parameters are set for each key vibration device and are marked as parameters 1; the same correction parameter is set for each auxiliary vibration device and is marked as parameter 2, and parameter 1 is greater than parameter 2.
Here, the value of the correction parameter of each vibration device may also be adjusted according to the application scenario, for example, in some severe scenario modes, the value of the correction parameter of each vibration device may be larger.
Further, the attitude information of the terminal includes an angle between a plane where the touch screen is located and a horizontal plane, and a value of the angle between the plane where the touch screen is located and the horizontal plane is between 0 degree and 90 degrees.
If the angle between the plane of the touch screen and the horizontal plane is equal to 0 degree or 90 degrees, the same correction parameters of each vibration device can be obtained, namely, each vibration device is marked as an important vibration device or an auxiliary vibration device.
If the angle between the plane where the touch screen is located and the horizontal plane is greater than 0 degree and less than or equal to 45 degrees, marking each lower vibrating device as a first vibrating device, and marking each upper vibrating device as a second vibrating device, wherein the distance between the projection of the lower vibrating device on the touch screen and the bottom of the touch screen is less than or equal to the distance between the projection of the lower vibrating device on the touch screen and the top of the touch screen, the distance between the projection of the upper vibrating device on the touch screen and the top of the touch screen is less than or equal to the distance between the projection of the lower vibrating device on the touch screen and the bottom of the touch screen, and when the first vibrating device is a key vibrating device, the second vibrating device is an auxiliary vibrating device; when the first vibration device is an auxiliary vibration device, the second vibration device is a key vibration device.
If the angle between the plane of the touch screen and the horizontal plane is more than 45 degrees and less than 90 degrees, each upper vibrating device is marked as a first vibrating device, and each lower vibrating device is marked as a second vibrating device.
In this step, when the terminal is a smart phone, the gesture information of the terminal is the handheld gesture of the terminal, and in practical application, the handheld gesture of the terminal can be detected by using sensors such as a gyroscope and the like arranged on the terminal, and fig. 6 is a schematic diagram of the handheld gesture of the terminal in a third embodiment of the method for implementing tactile feedback on the terminal according to the present invention; in fig. 6, the numbers 1, 2, 3 and 4 are respectively 4 linear motors at the projection positions of the touch screen, for example, the motors corresponding to the numbers 1 and 2 may be labeled as auxiliary vibration devices, and the motors corresponding to the numbers 3 and 4 may be labeled as key vibration devices.
In this step, three ways may be adopted to set a vibration weight value for each vibration device, which will be described below.
In the mode 1, a vibration weight value corresponding to each vibration device is set according to the horizontal distance between each vibration device and the current pressing position of the touch screen.
When the vibration weight value is set for each vibration device in the mode 1, the horizontal distance between the vibration device and the current pressing position of the touch screen is recorded as L1, and the vibration weight value of the vibration device may be directly proportional to L1 or inversely proportional to L1.
In the mode 2, the vibration weight value corresponding to each vibration device is set according to the set correction parameter of each vibration device.
When the mode 2 is adopted to set the vibration weight value for each vibration device, the vibration weight value of the vibration device is in direct proportion to the correction parameter of the vibration device.
And in the mode 3, setting a vibration weight value corresponding to each vibration device according to the horizontal distance between each vibration device and the current pressing position of the touch screen and the set correction parameter of each vibration device.
When the vibration weight value is set for each vibration device in the method 3, the horizontal distance between the vibration device and the current pressing position of the touch screen is recorded as L2, and the correction parameter of the vibration device is recorded as S, so that the vibration weight value of the vibration device may be directly proportional to L2 × S, or may be directly proportional to S/L2.
Step 503: searching pressure data corresponding to the current pressing position of the touch screen in the acquired historical pressure data of the touch screen pressed by the user; designing a corresponding vibration function for each vibration device according to the found pressure data and the vibration weight value of each vibration device; and driving the corresponding vibration devices to vibrate based on the vibration function corresponding to each vibration device.
In this step, for the implementation manner of designing a corresponding vibration function for each vibration device, specifically, an initial feedback function is set for each vibration device according to the found pressure data, and the initial feedback function is multiplied by the vibration weight value of the corresponding vibration device to obtain the vibration function designed for the corresponding vibration device; here, the initial feedback function is used to indicate the correspondence of the vibration amplitude of the corresponding vibration device with time, that is, the initial feedback function is a vibration amplitude function with time as an argument. For example, if the initial feedback function for any one vibrator is p2(t), and the vibration weight value for the corresponding vibrator is w, the vibration function p3(t) designed for the corresponding vibrator is w × p2 (t).
Further, when the found pressure data includes a corresponding relationship between the pressure value of the current pressing position of the touch screen and time, an initial feedback function may be designed according to the corresponding relationship between the pressure value of the current pressing position of the touch screen and time.
In this step, after the vibration function corresponding to each vibration device is obtained, a corresponding vibration control signal may be sent to each vibration device according to the vibration function corresponding to each vibration device, so as to control the corresponding vibration device to vibrate according to the vibration function.
Further, as for step 502, fig. 5 only illustrates the execution sequence of the step, and in practical applications, it is only necessary to ensure that step 502 is executed before step 503, specifically, step 502 may be executed before step 500, and step 502 may also be executed between step 500 and step 501.
In the second embodiment of the method for implementing tactile feedback on the terminal, a vibration function can be designed according to the vibration weight value of each vibration device, and then the corresponding vibration device is driven to vibrate according to the vibration function, so that various vibration strategies can be configured for each vibration device; furthermore, when the vibration weight value of each vibration device is set, the horizontal distance between the corresponding vibration device and the current pressing position of the touch screen and/or the set correction parameter of the corresponding vibration device need to be considered, so that different vibration strategies can be set for different vibration devices; in addition, as a corresponding vibration control signal needs to be sent to each vibration device according to the vibration function corresponding to each vibration device, a corresponding accurate and complex vibration control signal can be designed, and at least one vibration device on the terminal is driven, so that a more beautiful and more shockable tactile feedback experience is brought to a user, and the content of force feedback is enriched.
A third embodiment.
In order to further embody the object of the present invention, the following description is further exemplified on the basis of the first embodiment and the second embodiment of the present invention.
In the third embodiment of the present invention, the terminal is a smart phone, and referring to fig. 4, a pressure touch module and 4 linear motors are disposed on the terminal, where the 4 linear motors are respectively labeled as motor 1, motor 2, motor 3, and motor 4.
Fig. 7 is a flowchart of a third embodiment of the method for implementing haptic feedback on a terminal according to the present invention, as shown in fig. 7, the flowchart includes:
step 700-701: the steps are completely the same as the steps 100-101 and are not repeated here.
Step 702: acquiring the attitude information of the terminal, and setting correction parameters for each vibration device based on the attitude information of the terminal.
Here, the correction parameter of the motor 1 is denoted by x _1, the correction parameter of the motor 2 is denoted by x _2, the correction parameter of the motor 3 is denoted by y _1, and the correction parameter of the motor 4 is denoted by y _2, for example, in the correction parameters of 4 motors, x _1 and x _2 are large, y _1 is extremely small and close to 0, and y _2 is larger than y _1 and smaller than x _1 and x _ 2.
Step 703: and acquiring the horizontal distance between each vibration device and the current pressing position of the touch screen.
Fig. 8 is a schematic diagram of the horizontal distance between each vibration device and the current pressing position of the touch screen in the third embodiment of the method for implementing tactile feedback on the terminal according to the present invention, and as shown in fig. 8, the horizontal distance between the motor 1 and the current pressing position of the touch screen is denoted as a, the horizontal distance between the motor 2 and the current pressing position of the touch screen is denoted as b, the horizontal distance between the motor 3 and the current pressing position of the touch screen is denoted as c, and the horizontal distance between the motor 4 and the current pressing position of the touch screen is denoted as d.
Step 704: and setting a vibration weight value corresponding to each vibration device according to the horizontal distance between each vibration device and the current pressing position of the touch screen and the set correction parameter of each vibration device.
Here, when the vibration weight of the motor 1 is denoted by α, the vibration weight of the motor 2 is denoted by β, the vibration weight of the motor 3 is denoted by γ, and the vibration weight of the motor 4 is denoted by δ, α ═ a × x _1, ═ b × x _2, ═ c × y _1, and δ ═ d × y _2 are given.
Here, the initial feedback function set for each motor is a pressure value function of the current pressing position of the touch screen found in the historical pressure data of the user pressing the touch screen, the initial feedback function set for each motor is denoted as p (t), and the vibration functions corresponding to the motors 1, 2, 3, and 4 are denoted as vibrate-1(t), vibrate-2(t), vibrate-3(t), and vibrate-4(t), respectively, and there are:
vibrate-1(t)＝α×P(t)
vibrate-2(t)＝β×P(t)
vibrate-3(t)＝γ×P(t)
vibrate-4(t)＝δ×P(t)。
fig. 9 is a schematic diagram of a vibration function set for each motor in a third embodiment of the method for implementing haptic feedback on a terminal according to the present invention, in fig. 9, a vertical axis represents vibration amplitude, two horizontal axes are a time axis and a motor axis, respectively, and on the motor axis, 1, 2, 3 and 4 represent motor 1, motor 2, motor 3 and motor 4, respectively; the curve indicated by the arrow starting with the numeral 1 indicates the vibration function corresponding to the motor 1, the curve indicated by the arrow starting with the numeral 2 indicates the vibration function corresponding to the motor 2, the curve indicated by the arrow starting with the numeral 3 indicates the vibration function corresponding to the motor 3, and the curve indicated by the arrow starting with the numeral 4 indicates the vibration function corresponding to the motor 4.
Step 705: exactly the same as step 503, and will not be repeated here.
Further, after the current pressing position of the touch screen is obtained, a pressure value at the initial moment of the current pressing position can be obtained, and the starting data of the initial force feedback is calibrated based on the pressure value at the initial moment of the current pressing position. Different vibration strategies can be set for each vibration device according to the control icon corresponding to the current pressing position of the touch screen, for example, when the current pressing position of the touch screen corresponds to an icon of 'accelerator is pressed with force' and an icon of 'accelerator is pressed with light', the amplitude of generated tactile feedback is different, and when the current pressing position of the touch screen corresponds to an icon of 'brake', the tactile feedback is in the form of generation of sharp high-frequency vibration and a forward-leaning false image; when the current pressing position of the touch screen simultaneously corresponds to the brake icon and the accelerator icon, the touch feedback is in the form of generating the vibration sense of force feedback and tail flicking and the drift centrifugation false image.
Fourth embodiment
For the methods of implementing haptic feedback on a terminal according to the first and second embodiments of the present invention, a fourth embodiment of the present invention provides an apparatus for implementing haptic feedback on a terminal, where the terminal includes a touch screen.
Fig. 10 is a schematic structural diagram illustrating an apparatus for implementing haptic feedback on a terminal according to an embodiment of the present invention, as shown in fig. 10, the apparatus includes: a first acquisition module 1000, a second acquisition module 1001, and a feedback module 1002;
the first obtaining module 1000 is configured to obtain historical pressure data of a user pressing a touch screen; the historical pressure data of the user pressing the touch screen comprises: at least one compression location, and pressure data corresponding to each compression location.
A second obtaining module 1001, configured to obtain a current pressing position of the touch screen.
A feedback module 1002 for providing haptic feedback based on pressure data corresponding to a current compression location.
Specifically, the pressure data corresponding to each pressing position includes: and the corresponding relation between the pressure value at the corresponding pressing position of the touch screen and the time is acquired.
Fig. 11 is a schematic structural diagram of a feedback module in an apparatus for implementing haptic feedback on a terminal according to an embodiment of the present invention, as shown in fig. 11, the feedback module 1002 includes a searching unit 1100, a designing unit 1101, and a feedback unit 1102; wherein the content of the first and second substances,
the searching unit 1100 is configured to search pressure data corresponding to a current pressing position of the touch screen from the acquired historical pressure data of the touch screen pressed by the user;
a design unit 1101 for designing a vibration function based on the found pressure data;
a feedback unit 1102 for providing tactile feedback based on the designed vibration function.
Further, the terminal comprises at least one vibration device; referring to fig. 10, the apparatus further includes a setting module 1003;
a setting module 1003, configured to set a vibration weight value for each vibration device;
the design unit 1101 is specifically configured to design a corresponding vibration function for each vibration device according to the found pressure data and the vibration weight value of each vibration device;
the feedback unit 1102 is specifically configured to drive the corresponding vibration device to vibrate based on the vibration function corresponding to each vibration device.
Specifically, the setting module 1003 is configured to set a vibration weight value of each vibration device according to at least one of the following information: the horizontal distance between the corresponding vibration device and the current pressing position of the touch screen, and the set correction parameters of the corresponding vibration device.
The setting module 1003 is further configured to obtain posture information of the terminal, and set a correction parameter for each vibration device based on the posture information of the terminal.
In practical applications, the first obtaining module 1000, the second obtaining module 1001, the feedback module 1002, and the setting module 1003 may be implemented by a Central Processing Unit (CPU), a microprocessor Unit (MPU), a Digital Signal Processor (DSP), a Field Programmable Gate Array (FPGA), or the like in the terminal.
Fifth embodiment
A fifth embodiment of the present invention provides a terminal for implementing a haptic feedback method on the terminal according to the first and second embodiments of the present invention.
Fig. 12 is a schematic structural diagram of a terminal according to an embodiment of the present invention, where the terminal includes a touch screen 1200, a processor 1201 and at least one vibration device 1202; wherein the content of the first and second substances,
the processor 1201 is used for acquiring historical pressure data of a user pressing the touch screen and a current pressing position of the touch screen; the historical pressure data of the user pressing the touch screen comprises: at least one compression location, and pressure data corresponding to each compression location;
the processor 1201 is further configured to send a driving signal to at least one vibration device based on pressure data corresponding to a current pressing position;
each vibration device 1202 is configured to generate vibration according to the received driving signal.
Specifically, the processor 1201 is configured to search pressure data corresponding to a current pressing position of the touch screen from the acquired historical pressure data of the touch screen pressed by the user; designing a vibration function based on the found pressure data; and sending corresponding driving signals to each vibration device according to the designed vibration function.
The pressure data corresponding to each compression position includes: and the corresponding relation between the pressure value at the corresponding pressing position of the touch screen and the time is acquired.
Further, the processor 1201 is further configured to set a vibration weight value for each vibration device; designing a corresponding vibration function for each vibration device according to the found pressure data and the vibration weight value of each vibration device; and sending corresponding driving signals to each vibration device according to the vibration function corresponding to each vibration device.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of a hardware embodiment, a software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (7)
1. A method of implementing haptic feedback on a terminal, the terminal including a touch screen and at least one vibrating device, the method comprising:
acquiring historical pressure data of a user pressing a touch screen; the historical pressure data of the user pressing the touch screen comprises: at least one compression location, and pressure data corresponding to each compression location;
acquiring a current pressing position of the touch screen;
searching pressure data corresponding to the current pressing position of the touch screen in the acquired historical pressure data of the touch screen pressed by the user;
acquiring attitude information of a terminal, setting correction parameters for each vibration device based on the attitude information of the terminal, and marking each vibration device as a key vibration device or an auxiliary vibration device, wherein the correction parameters of the key vibration device are greater than the correction parameters of the auxiliary vibration device;
setting a vibration weight value of each vibration device according to at least one of the following information: setting a horizontal distance between the corresponding vibration device and the current pressing position of the touch screen and a correction parameter of the corresponding vibration device;
designing a corresponding vibration function for each vibration device according to the found pressure data and the vibration weight value of each vibration device;
and driving the corresponding vibration devices to vibrate based on the vibration function corresponding to each vibration device.
2. The method of claim 1, wherein the pressure data corresponding to each compression location comprises: and the corresponding relation between the pressure value at the corresponding pressing position of the touch screen and the time is acquired.
3. The method of any one of claims 1 to 2, wherein the obtaining of the current pressing position of the touch screen comprises: and acquiring the current pressing position of the touch screen, or taking at least one control position of the current display interface of the terminal as the current pressing position of the touch screen.
4. An apparatus for implementing haptic feedback on a terminal, the terminal including a touch screen, the apparatus comprising: the device comprises a first acquisition module, a second acquisition module and a feedback module; wherein the content of the first and second substances,
the first acquisition module is used for acquiring historical pressure data of a user pressing the touch screen; the historical pressure data of the user pressing the touch screen comprises: at least one compression location, and pressure data corresponding to each compression location;
the second acquisition module is used for acquiring the current pressing position of the touch screen;
the feedback module is used for searching pressure data corresponding to the current pressing position of the touch screen in the acquired historical pressure data of the touch screen pressed by the user;
the system comprises a setting module, a correction module and a control module, wherein the setting module is specifically used for acquiring attitude information of a terminal, setting correction parameters for each vibration device based on the attitude information of the terminal, and marking each vibration device as a key vibration device or an auxiliary vibration device, wherein the correction parameters of the key vibration device are greater than the correction parameters of the auxiliary vibration device; the setting module is further used for setting a vibration weight value of each vibration device according to at least one of the following information: setting a horizontal distance between the corresponding vibration device and the current pressing position of the touch screen and a correction parameter of the corresponding vibration device;
the feedback module is used for designing a corresponding vibration function for each vibration device according to the found pressure data and the vibration weight value of each vibration device;
and driving the corresponding vibration devices to vibrate based on the vibration function corresponding to each vibration device.
5. The apparatus of claim 4, wherein the pressure data corresponding to each compression position comprises: and the corresponding relation between the pressure value at the corresponding pressing position of the touch screen and the time is acquired.
6. A terminal, characterized in that the terminal comprises a touch screen, a processor and at least one vibration device; wherein the content of the first and second substances,
the processor is used for acquiring historical pressure data of a user pressing the touch screen and the current pressing position of the touch screen; the historical pressure data of the user pressing the touch screen comprises: at least one compression location, and pressure data corresponding to each compression location;
the processor is used for acquiring the current pressing position of the touch screen;
the processor is used for searching pressure data corresponding to the current pressing position of the touch screen in the acquired historical pressure data of the touch screen pressed by the user;
the processor is used for acquiring attitude information of the terminal, setting correction parameters for each vibration device based on the attitude information of the terminal, and marking each vibration device as a key vibration device or an auxiliary vibration device, wherein the correction parameters of the key vibration device are greater than the correction parameters of the auxiliary vibration device;
a processor, configured to set a vibration weight value of each vibration device according to at least one of the following information: setting a horizontal distance between the corresponding vibration device and the current pressing position of the touch screen and a correction parameter of the corresponding vibration device;
the processor is further used for searching pressure data corresponding to the current pressing position of the touch screen in the acquired historical pressure data of the touch screen pressed by the user; searching pressure data corresponding to the current pressing position of the touch screen in the acquired historical pressure data of the touch screen pressed by the user; acquiring attitude information of a terminal, setting correction parameters for each vibration device based on the attitude information of the terminal, and marking each vibration device as a key vibration device or an auxiliary vibration device, wherein the correction parameters of the key vibration device are greater than the correction parameters of the auxiliary vibration device; setting a vibration weight value of each vibration device according to at least one of the following information: setting a horizontal distance between the corresponding vibration device and the current pressing position of the touch screen and a correction parameter of the corresponding vibration device; designing a corresponding vibration function for each vibration device according to the found pressure data and the vibration weight value of each vibration device; sending a driving signal to at least one vibration device according to the designed vibration function;
each vibration device is used for generating vibration according to the received driving signal.
7. The terminal of claim 6, wherein the pressure data corresponding to each press location comprises: and the corresponding relation between the pressure value at the corresponding pressing position of the touch screen and the time is acquired.
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| CN201610261321.6A CN107305432B (en) | 2016-04-25 | 2016-04-25 | Terminal and method and device for realizing tactile feedback on terminal |
| PCT/CN2016/086262 WO2017185502A1 (en) | 2016-04-25 | 2016-06-17 | Terminal, and method and apparatus for implementing tactile feedback on terminal |
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| CN109144460B (en) * | 2018-07-09 | 2021-07-13 | Oppo广东移动通信有限公司 | Sound production control method, sound production control device, electronic device, and storage medium |
| CN111273797B (en) * | 2019-12-25 | 2021-06-22 | 深圳市鸿合创新信息技术有限责任公司 | Handwriting generating method, handwriting generating device, storage medium, electronic equipment and system |
| WO2024031415A1 (en) * | 2022-08-10 | 2024-02-15 | 京东方科技集团股份有限公司 | Driving control circuit and driving method therefor, and haptic feedback apparatus |
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