CN114168003A - Touch panel assembly, vibration feedback method, electronic device and storage medium - Google Patents
Touch panel assembly, vibration feedback method, electronic device and storage medium Download PDFInfo
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- CN114168003A CN114168003A CN202111289113.4A CN202111289113A CN114168003A CN 114168003 A CN114168003 A CN 114168003A CN 202111289113 A CN202111289113 A CN 202111289113A CN 114168003 A CN114168003 A CN 114168003A
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03547—Touch pads, in which fingers can move on a surface
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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 OR CALCULATING; 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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- General Engineering & Computer Science (AREA)
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- User Interface Of Digital Computer (AREA)
- Position Input By Displaying (AREA)
Abstract
The disclosure relates to a touch pad assembly, a vibration feedback method, an electronic device and a storage medium. The touch pad comprises a touch component and a touch control component, wherein the touch component is provided with a first surface which is used for receiving a pressing operation acting on the touch pad component; the force sensing assembly is connected with the touch assembly and used for generating a first electric signal corresponding to the pressing operation acting on the touch pad assembly; the first electric signal is used for representing the magnitude of the acting force acting on the touch pad; the vibration feedback assembly is positioned on the second surface of the touch assembly and used for generating vibration and feeding the vibration back to the touch assembly under the triggering of the first electric signal, wherein the second surface is the opposite surface of the first surface, and the vibration transmission assemblies are fewer in the whole vibration transmission process, so that the vibration dissipation of vibration transmission in the vibration feedback process is reduced, and the vibration touch experience of a user in the touch operation of the touch panel is effectively improved.
Description
Technical Field
The present disclosure relates to the field of touch technologies, and in particular, to a touch panel assembly, a vibration feedback method, an electronic device, and a storage medium.
Background
With the rapid development of electronic technology, electronic products are developing in the direction of light weight, thinness, humanization, and quality improvement. The conventional key operation of electronic products is continuously replaced by touch panels. The touch pad is used as a component for frequently performing interactive operation with a user, so that the user can directly perform touch operation on the touch pad, and the use experience of the touch pad is particularly concerned by the user.
Disclosure of Invention
The present disclosure provides a touch pad assembly, a vibration feedback method, an electronic device, and a storage medium.
In a first aspect of the embodiments of the present disclosure, a touch pad assembly is provided, which includes:
the touch assembly is provided with a first surface, and the first surface is used for receiving a pressing operation acting on the touch pad assembly;
the force sensing assembly is connected with the touch assembly and used for generating a first electric signal corresponding to the pressing operation acting on the touch pad assembly; the first electric signal is used for representing the magnitude of the acting force acting on the touch pad;
and the vibration feedback assembly is positioned on the second surface of the touch assembly and used for generating vibration and feeding back the vibration to the touch assembly under the triggering of the first electric signal, wherein the second surface is the opposite surface of the first surface.
In some embodiments, further comprising:
and the control unit is positioned on the second surface, is respectively electrically connected with the force sensing assembly and the vibration feedback assembly, is used for receiving the first electric signal generated by the force sensing assembly, and drives the vibration feedback assembly to vibrate based on the first electric signal.
In some embodiments, the touch assembly further comprises: a touch sensor array, an operation panel and a circuit board; the operation panel is used for receiving the pressing operation; the touch sensor array is distributed on the first surface of the circuit board and used for detecting position information acted on the operating board by the pressing operation; the first surface of the circuit board faces the operation board.
In some embodiments, further comprising:
the control unit is positioned on the second surface, is respectively electrically connected with the touch sensor array and the vibration feedback assembly, and is used for receiving a second electric signal generated by the touch sensor array and driving the vibration feedback assembly to vibrate based on the second electric signal; wherein the second electric signal represents position information of the pressing operation acting on the operation panel.
In some embodiments, further comprising:
the control unit is positioned on the second surface, is respectively electrically connected with the force sensing assembly, the touch sensor assembly and the vibration feedback assembly, is used for receiving a first electric signal generated by the force sensing assembly and a second electric signal generated by the touch sensor array, and generates a control command based on the first electric signal and the second electric signal; wherein the control instruction is used for driving the vibration feedback assembly to vibrate.
In some embodiments, the control unit is further configured to determine a type of the pressing operation according to the position information and the first electrical signal; when the variation of the acting force represented by the first electric signal is larger than a first preset threshold value within preset time and the position information is acquired, determining that the type of the pressing operation is a re-pressing operation;
when the variation of the acting force represented by the first electric signal is smaller than a second preset threshold value within preset time and the position information is acquired, determining that the type of the pressing operation is a light touch operation;
and when the variation of the acting force represented by the first electric signal is larger than the second preset threshold and smaller than the first preset threshold within preset time and the position information is acquired, determining that the type of the pressing operation is a light pressing operation.
In some embodiments, the control instructions include at least one of the following control parameters:
the first control parameter is used for controlling the steady-state vibration inductance of the vibration generated by the vibration feedback component;
the second control parameter is used for controlling the response time of the vibration intensity generated by the vibration feedback component to reach stability;
a third control parameter for controlling an effective vibration bandwidth of the vibration generated by the vibration feedback component;
a fourth control parameter for controlling a trailing tremor time of vibrations generated by the vibration feedback assembly.
In some embodiments, the force sensing assembly comprises:
the substrate is attached to the second surface of the touch assembly; wherein, the substrate is distributed with elastic arms;
and the force sensor is attached to the elastic arm and used for detecting the deformation of the elastic arm and generating the first electric signal based on the deformation of the elastic arm.
In some embodiments, at least one of the resilient arms is distributed at a central position of the base plate.
In some embodiments, the elastic arm is provided with an elastic body with adhesive function; the elastic body and the force sensor are positioned on the same side of the elastic arm; the substrate is fixed with the circuit board through the elastic body.
A second aspect of embodiments of the present disclosure provides a vibration feedback method, the method including:
receiving a pressing operation acting on the touch pad assembly;
determining position information acted on the touch pad component by the pressing operation and/or the variation of acting force generated by the pressing operation;
generating a control command based on the position information and/or the acting force variation;
sending the control instruction to a vibration feedback component; wherein the vibration feedback component generates vibration feedback under the driving of the control instruction.
In some embodiments, the method further comprises:
determining the type of the pressing operation according to the position information and the variable quantity of the acting force;
and outputting an electric signal corresponding to the type of the pressing operation to a control system based on the determined type of the pressing operation.
In some embodiments, the determining the type of the pressing operation according to the position information and the variation of the acting force includes at least one of:
when the variation of the acting force is larger than a first preset threshold value within preset time and the position information is acquired, determining the type of the pressing operation as a re-pressing operation;
when the variation of the acting force is smaller than a second preset threshold value within preset time and the position information is acquired, determining the type of the pressing operation as a light touch operation;
and when the variation of the acting force is larger than the second preset threshold and smaller than the first preset threshold in preset time, and the position information is acquired, determining that the type of the pressing operation is a light pressing operation.
In some embodiments, the surface of the touchpad assembly for receiving the pressing operation comprises a plurality of touch areas,
the generating the control instruction based on the location information includes:
determining a touch area acted by the pressing operation based on the position information;
determining a control parameter for triggering the vibration feedback component to generate vibration based on the determined touch area; wherein the control instruction comprises the control parameter.
In some embodiments, the control instructions include at least one of the following control parameters:
the first control parameter is used for controlling the steady-state vibration inductance of the vibration generated by the vibration feedback component;
the second control parameter is used for controlling the response time of the vibration intensity generated by the vibration feedback component to reach stability;
a third control parameter for controlling an effective vibration bandwidth of the vibration generated by the vibration feedback component;
a fourth control parameter for controlling a trailing tremor time of vibrations generated by the vibration feedback assembly.
A third aspect of the embodiments of the present disclosure provides an electronic device, including at least: the touch pad assembly of the first aspect.
In a fourth aspect of the embodiments of the present disclosure, an electronic device is provided, including: a processor and a memory, the memory having stored thereon a computer program operable on the processor to, when executed, perform the steps of the method of the second aspect.
A fifth aspect of embodiments of the present disclosure provides a computer-readable storage medium, on which a computer program is stored, wherein the computer program, when executed by a processor, implements the steps of the method of the second aspect.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:
the touch pad assembly in the embodiment of the present disclosure at least includes: the touch assembly is provided with a first surface, and the first surface is used for receiving a pressing operation acting on the touch pad assembly; the force sensing assembly is connected with the touch assembly and is used for generating an electric signal corresponding to the pressing operation acted on the touch pad assembly; the electric signal is used for representing the magnitude of acting force acting on the touch pad; and the vibration feedback assembly is positioned on the second surface of the touch assembly and used for generating vibration and feeding back the vibration to the touch assembly under the triggering of an electric signal, wherein the second surface is the opposite surface of the first surface. In this application, press the operation and act on the first surface of touch subassembly, the vibration feedback subassembly is located the second surface of touch subassembly, produces the vibration of feeding back to the touch subassembly under the triggering of signal of telecommunication, and wherein the vibration that the vibration feedback subassembly produced directly acts on the touch subassembly for the user can directly feel the vibration that acts on the touch subassembly at the first surface of pressing the subassembly. In the whole vibration transmission process, the vibration transmission assembly is less, so that the vibration (energy) dissipation of vibration transmission in the vibration feedback process is reduced, and the vibration touch experience of a user in the pressing operation of the touch pad assembly can be effectively improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a first schematic structural diagram of a touch pad according to an exemplary embodiment.
Fig. 2 is a schematic structural diagram of a touch pad according to an exemplary embodiment.
FIG. 3 is a schematic diagram illustrating a pressure sensor in a trackpad according to an exemplary embodiment.
FIG. 4 is a schematic diagram illustrating bonding of a sheet of piezo steel to a touch device in a touch pad according to an exemplary embodiment.
FIG. 5 is a schematic diagram illustrating a touch operation applied to a touch pad in accordance with an exemplary embodiment.
FIG. 6 is a schematic diagram illustrating an application scenario of an electronic device with a trackpad, according to an example embodiment.
FIG. 7 is a flow diagram illustrating a vibration feedback method according to an exemplary embodiment.
Fig. 8 is a block diagram illustrating a terminal device according to an example embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of devices consistent with certain aspects of the present disclosure, as detailed in the appended claims.
With the rapid development of electronic technology, electronic products are developing in the direction of light weight, thinness, humanization, and quality improvement. The conventional key operation of electronic products is continuously replaced by touch panels. The touch pad is used as a component for frequently performing interactive operation with a user, so that the user can directly press the touch pad, and the use experience of the touch pad is particularly concerned by the user.
The embodiment of the disclosure provides a touch pad assembly. Fig. 1 is a first schematic structural diagram of a touch pad assembly according to an exemplary embodiment. As shown in fig. 1, the touch pad assembly includes:
a touch member 1 having a first surface for receiving a pressing operation applied to the touch pad member;
the force sensing assembly 7 is connected with the touch assembly 1 and used for generating a first electric signal corresponding to the pressing operation acting on the touch pad assembly; the first electric signal is used for representing the magnitude of the acting force acting on the touch pad;
and the vibration feedback component 8 is positioned on a second surface of the touch component 1 and is used for generating vibration and feeding back the vibration to the touch component under the triggering of the first electric signal, wherein the second surface is the opposite surface of the first surface.
In the embodiment of the disclosure, the touch pad assembly can be applied to electronic equipment such as a notebook computer and the like which needs to interact with the equipment by a user. The electronic device having the touch pad assembly is applicable to cellular network communication.
In an embodiment of the disclosure, the first electrical signal is used to represent a magnitude of an acting force acting on the touch pad, that is, the magnitude of the acting force can be determined by the magnitude of the first electrical signal. For example a first electrical signal a, for characterizing a first force of the acting force; the first electric signal B is used for representing a second force of the acting force; when the first electrical signal A is greater than the first electrical signal B, a first force representing the acting force is greater than a second force representing the acting force.
In an embodiment of the present disclosure, a touch assembly has a first surface and a second surface. The first surface directly receives a pressing operation of a user on the touch pad assembly. The vibration feedback assembly is positioned on the second surface of the touch assembly and generates vibration which is directly fed back to the touch assembly. This allows the user to directly feel the vibrations acting on the touch member at the first surface of the press member. In the whole vibration transmission process, the vibration transmission assembly is less, so that the vibration (energy) dissipation of vibration transmission in the vibration feedback process is reduced, and the vibration touch experience of a user in the pressing operation of the touch pad assembly can be effectively improved.
In some embodiments, further comprising:
and the control unit is positioned on the second surface, is respectively electrically connected with the force sensing assembly and the vibration feedback assembly, is used for receiving the first electric signal generated by the force sensing assembly, and drives the vibration feedback assembly to vibrate based on the first electric signal.
In the embodiment of the disclosure, both the control unit and the vibration feedback assembly can be positioned on the second surface of the touch assembly; the control unit may be an IC chip. An IC Chip (Integrated Circuit Chip) is a Chip formed by placing an Integrated Circuit formed by a large number of microelectronic devices (transistors, resistors, capacitors, etc.) on a plastic substrate. The IC chip comprises a wafer chip and a packaging chip, and the corresponding IC chip production line consists of a wafer production line and a packaging production line. In the embodiments of the present disclosure, an IC chip may be used as the control unit. The control unit can also adopt a processor such as a CPU or an MCU.
In the embodiment of the disclosure, the control unit may determine the magnitude of the acting force generated by the corresponding pressing operation through the first electrical signal. The vibration feedback assembly is driven to vibrate based on the magnitude of the applied force. The vibration generated by the vibration feedback component directly acts on the touch component, so that the user can sense the feedback vibration of the touch pad component.
In some embodiments, the touch assembly further comprises: a touch sensor array, an operation panel and a circuit board; the operation panel is used for receiving the pressing operation; the touch sensor array is distributed on the first surface of the circuit board and used for detecting position information acted on the operating board by the pressing operation; the first surface of the circuit board faces the operation board.
In the embodiment of the present disclosure, as shown in fig. 1, the operation panel 10 may be a glass panel, or a specially processed smooth transparent operation panel. The operation panel 10 has a touch surface facing the user and is used for receiving the pressing operation of the user; the circuit board 11 is attached to the opposite surface of the touch surface of the operation panel 10; a large number of touch sensors are uniformly distributed on the first surface of the circuit board; when a pressing operation is applied to the operation panel 10 of the touch panel assembly, the touch sensor may detect the pressing operation. The operation panel 10 and the circuit board 11 attached to the operation panel 10 may form the touch assembly 1.
In the embodiment of the present disclosure, the vibration feedback component 8 is located on the second surface of the circuit board 11, and generates vibration directly acting on the touch component.
In the embodiment of the present disclosure, the circuit board 11 has a fixing rivet 9, and the fixing rivet 9 is used for fixing the vibration feedback assembly on the circuit board 11.
In some embodiments, the control unit is located on the second surface, electrically connected to the touch sensor array and the vibration feedback assembly respectively, and configured to receive a second electrical signal generated by the touch sensor array and drive the vibration feedback assembly to vibrate based on the second electrical signal; wherein the second electric signal represents position information of the pressing operation acting on the operation panel.
In the embodiment of the present disclosure, the touch sensor may generate a second electrical signal corresponding to the position information of the pressing operation, and transmit the second electrical signal corresponding to the position information to the control unit; the control unit may determine position information of a pressing operation action acting on the touch pad assembly according to the received second electric signal. The second electrical signals transmitted by the touch sensors at different position information positions in the touch sensor array can correspondingly identify the position information under the action of the corresponding pressing operation. I.e. the position a is pressed, the touch sensor at the position a may transmit a corresponding second electrical signal a to the control unit, which determines the position information a corresponding to the pressing operation based on the second electrical signal a. When the plurality of positions are simultaneously pressed, the corresponding touch sensors at the plurality of positions can simultaneously transmit a plurality of second electric signals; the control unit can simultaneously receive a plurality of second electric signals sent by the corresponding touch sensors at a plurality of positions. The control unit drives the vibration feedback assembly to vibrate based on the second electric signal.
It should be noted that, the above-mentioned first surface includes a plurality of touch areas, and drives the vibration feedback component to vibrate based on the second electrical signal, including:
determining a touch area acted by the pressing operation based on the position information represented by the second electric signal;
and determining a control parameter of the touch area based on the determined touch area, and generating a control instruction comprising the control parameter, wherein the control instruction is used for driving the vibration feedback assembly to generate vibration.
In some embodiments, a control unit, located on the second surface, electrically connected to the force sensing assembly, the touch sensor assembly and the vibration feedback assembly, respectively, for receiving a first electrical signal generated by the force sensing assembly and a second electrical signal generated by the touch sensor array, and generating a control command based on the first electrical signal and the second electrical signal; wherein the control instruction is used for driving the vibration feedback assembly to vibrate.
In the embodiment of the present disclosure, the control unit generates a control instruction based on the first electrical signal and the second electrical signal. The change of the first electric signal can be used for representing the change of acting force generated by pressing operation, and the second electric signal can reflect position information of the pressing operation acting on the surface of the touch pad component.
The generating a control instruction based on the first electrical signal and the second electrical signal comprises:
generating a control instruction according to the position information and the variation of the acting force generated by the pressing operation; wherein the control instruction is used for driving the vibration feedback assembly to vibrate.
In an embodiment of the present disclosure, the first surface includes a plurality of touch areas, and the generating a control command according to the position information and a variation of an acting force generated by the pressing operation may include:
when the pressing operation is determined to be a heavy pressing operation or a light pressing operation according to the variation of the acting force represented by the electric signal within the preset time,
determining the touch area acted by the pressing operation based on the position information;
determining a control parameter for triggering the vibration feedback component to generate vibration based on the determined touch area; wherein the control instruction comprises the control parameter.
It should be noted that different control parameters correspond to different touch areas.
In the embodiment of the disclosure, when the vibration feedback component is located at one fixed position of the touch component and the pressing operation is performed on different pressing positions of the operation panel, the vibration feedback component can generate different vibrations according to different pressing operation positions, so that the control parameter for generating the vibrations is adjusted according to the change of the pressing operation positions, and the user can feel the same vibration feedback at different positions when performing the pressing operation, thereby reducing the vibration difference generated due to different acting positions.
In some embodiments, the control unit is further configured to determine a type of the pressing operation according to the position information and the first electrical signal;
when the variation of the acting force represented by the first electric signal is larger than a first preset threshold value within preset time and the position information is acquired, determining that the type of the pressing operation is a re-pressing operation;
when the variation of the acting force represented by the first electric signal is smaller than a second preset threshold value within preset time and the position information is acquired, determining that the type of the pressing operation is a light touch operation;
and when the variation of the acting force represented by the first electric signal is larger than the second preset threshold and smaller than the first preset threshold within preset time and the position information is acquired, determining that the type of the pressing operation is a light pressing operation.
In an embodiment of the present disclosure, the first predetermined threshold is greater than the second predetermined threshold. And when the variation of the acting force represented by the first electric signal is smaller than a second preset threshold value within preset time, and the position information is acquired, the type of the pressing operation can be determined to be a light touch operation.
In the embodiment of the disclosure, the touch mode of the tap operation may be determined by position information determined by the touch sensor array.
The touch mode in which the pressing operation is determined to be the tapping operation at least comprises the following steps:
a first touch mode determined based on the number of touch points; and/or the presence of a gas in the gas,
a second touch mode determined based on the touch action; and/or the presence of a gas in the gas,
and a third touch mode determined based on the number of touch points and the touch action.
The first touch mode at least comprises the following steps: one of single-finger touch, double-finger touch, three-finger touch and four-finger touch;
the second touch mode at least comprises the following steps: one of a tap touch, a press touch, and a slide touch;
the third touch mode at least includes: a single-finger tap touch, a single-finger press touch, a single-finger slide touch, a double-finger tap touch, a double-finger press touch, a double-finger slide touch, and the like.
The different touch modes can be determined to be different preset first control actions. The first control action includes at least:
icon open, icon closed, icon movement, etc. Such as file open, folder open, file close, file move, folder open, folder move, etc. The cursor control can be operated to open the selected file, for example, by a single finger tap touch. And operating a cursor control to move the selected file by single-finger sliding touch.
And when the pressing operation is determined to be a heavy pressing operation or a light pressing operation according to the variable quantity of the acting force represented by the first electric signal within the preset time, the control system can control the cursor control to execute a second control action corresponding to the pressing operation according to the acting force represented by the first electric signal. Wherein the second control action at least comprises actions which can be executed by the control, such as control movement, control selection and the like.
Wherein, different pressing force degrees of the acting force correspond to different preset controls to act. For example, the first force corresponds to a cursor movement action, the second force corresponds to a cursor selection action, and so on. Or, the first power corresponds to the left key of the cursor, the second power corresponds to the right key of the cursor, and the like. Or, determining a left key, a right key, a middle key and the like of the cursor according to the position information, including determining a left key of the cursor corresponding to the first position information, a right key of the cursor corresponding to the second position information, and a middle key of the cursor corresponding to the third position information. When determining the control action implementation function based on the position information and the acting force strength, the control action implementation function may be preset by itself, and this is only an example.
In some embodiments, the control instructions include at least one of the following control parameters:
the first control parameter is used for controlling the steady-state vibration inductance of the vibration generated by the vibration feedback component;
the second control parameter is used for controlling the response time of the vibration intensity generated by the vibration feedback component to reach stability;
a third control parameter for controlling an effective vibration bandwidth of the vibration generated by the vibration feedback component;
a fourth control parameter for controlling a trailing tremor time of vibrations generated by the vibration feedback assembly.
In the embodiment of the present disclosure, the steady-state vibration sensation of the vibration refers to the vibration intensity when the vibration is steady; the effective vibration bandwidth of the vibration refers to the vibration frequency range of the vibration that enables a user to have good vibration perception; the trailing tremor time of the vibration refers to the change time from the weakened vibration intensity to the process that the vibration intensity is stabilized to zero; the response time for the vibration intensity to reach the stability refers to a response time from the start of vibration to the stabilization of the vibration intensity, wherein the stabilized vibration intensity may be the maximum vibration intensity.
Wherein, the control parameters in the control instruction may further include: a fifth control parameter for controlling steady-state noise caused by the vibration; the steady-state noise caused by the vibration refers to the noise caused by the vibration when the vibration strength is stable; in the optimization process, the steady-state noise is made as zero as possible.
In some embodiments, as shown in fig. 1, the force sensing assembly 7 comprises:
the substrate 6 is attached to the second surface of the touch assembly; wherein, the base plate 6 is distributed with elastic arms 5;
and the force sensor 3 is attached to the elastic arm 5 and used for detecting the deformation of the elastic arm and generating the electric signal based on the deformation of the elastic arm.
In the embodiment of the disclosure, the second surface of the touch assembly and the second surface of the circuit board may be the same surface. As shown in fig. 1, the substrate 6 may be a pressure-sensitive steel sheet attached to the second surface of the circuit board. The spring arm is a part of the pressure-sensitive steel sheet. FIG. 3 is a schematic diagram illustrating a pressure sensor in a trackpad according to an exemplary embodiment. As shown in fig. 1 and 3, a force sensor 3 is attached to the elastic arm, and one or more force sensors 3 are distributed on one elastic arm. The signal output end 12 of the force sensor is connected with the control unit through the FPC flexible circuit board 4 and used for transmitting an electric signal to the control unit. The force sensor may be a pressure sensor that measures the bending of the spring arm.
In some embodiments, at least one of the resilient arms is distributed at a central position of the base plate. In the embodiment of the disclosure, the elastic arms can be multiple, the elastic arms can be distributed around the substrate, at least one elastic arm is distributed at the central position of the substrate, and the force sensor can be attached behind the elastic arm at the central position. Therefore, multiple groups of acting force intensity data can be acquired from different positions through multiple groups of force sensors, and the accuracy and the sensitivity of the touch screen to acting force sensing are effectively improved.
In some embodiments, as shown in fig. 3, the elastic arm is provided with an elastic body 2 with adhesive function; the elastic body 2 and the force sensor 3 are positioned on the same side of the elastic arm 5; the substrate 6 is fixed to the circuit board by the elastic body 2.
In the embodiment of the present disclosure, fig. 2 is a schematic structural diagram of a touch pad assembly according to an exemplary embodiment. As shown in fig. 2, the spring arm of the pressure sensitive steel sheet has an elastic body 2. Fig. 4 is a schematic diagram illustrating bonding of a substrate to a touch assembly in a touch pad assembly according to an exemplary embodiment. FIG. 5 is a schematic diagram illustrating a pressing operation applied to a trackpad assembly, according to an exemplary embodiment. As shown in fig. 4, the elastic body may have a certain elastic bonding function, and may be used to bond and fix the substrate 6 and the touch device, and the vibration feedback device 8 attached to the second surface of the touch device is embedded in the through hole of the substrate 6. The elastic body and the force sensor are distributed on the same side of the elastic arm. As shown in fig. 5, when a pressing operation is applied to the touch surface of the operation panel 10 of the touch assembly, the force is transmitted to the elastic body through the touch assembly, and the elastic arm is deformed by the action of the elastic body. Wherein the substrate 6 is fixed with the touch assembly.
In some embodiments, the vibration generated by the vibration feedback assembly comprises at least one of:
vibration of single pulse waveform; vibration of square wave waveform; vibration of a sine wave waveform.
In the embodiment of the present disclosure, the vibration generated by the vibration feedback component may be a vibration generated by one waveform of a single pulse wave, a square wave and a sine wave, and any combination waveform.
In some embodiments, the vibration feedback assembly comprises at least one of:
linear motors, rotor motors, piezoelectric motors.
In the embodiment of the present disclosure, the vibration feedback assembly is mainly used for performing vibration feedback, and the function may be implemented by a linear motor, a rotor motor, or a piezoelectric motor, but is not limited thereto, as long as the vibration feedback assembly is a device capable of generating tactile feedback.
In the embodiment of the disclosure, the touch surface of the operation panel facing the user can be divided into a plurality of touch areas. When the touch operation acts on one touch area, the control unit can send a control instruction containing corresponding control parameters to the vibration feedback assembly according to the acted touch area; the touch areas are different, and the corresponding control parameters are different; and correspondingly generating the vibration with different vibration waveforms when the control parameters are different.
In the embodiment of the disclosure, the position information may at least include coordinate information for determining a touch operation acting position; and determining the touch area where the coordinates are located according to the coordinate information.
FIG. 6 is a schematic diagram illustrating an application scenario of an electronic device with a trackpad, according to an example embodiment. As shown in fig. 6, the electronic devices 101, 102 having the touch pad assembly may be applied to a cellular network. And when the instruction of adopting the cellular circuit to carry out wireless transmission is received, stopping the wifi connection, and when the instruction of stopping adopting the cellular circuit to carry out wireless transmission is received, recovering the wifi connection. The network environment includes electronic devices 101, 102, wifi access point 103, cellular base station 104, and network 105. )
The embodiment of the disclosure also provides a vibration feedback method. FIG. 7 is a flow diagram illustrating a vibration feedback method according to an exemplary embodiment. As shown in fig. 7, the method is applied to a touch pad assembly, and the method includes:
In the embodiment of the disclosure, the touch pad assembly can be applied to electronic equipment such as a notebook computer and the like which needs to interact with the equipment by a user. The electronic device having the touch pad assembly is applicable to cellular network communication.
In the embodiment of the present disclosure, the touch sensor may generate an electrical signal corresponding to the information of the position of the pressing operation, and transmit the electrical signal for detecting the pressing operation to the control unit; the control unit may determine position information of a pressing operation action acting on the touch pad assembly according to the received electric signal. The electric signals transmitted by the touch sensors at different position information positions in the touch sensor array can correspondingly identify the position information under the action of the corresponding pressing operation. I.e. pressed at position a, the touch sensor at position a may transmit a corresponding electrical signal a to the control unit, which determines position information a corresponding to the pressing operation based on the electrical signal a. When a plurality of positions are simultaneously pressed, the corresponding touch sensors at the plurality of positions can simultaneously transmit a plurality of electrical signals; the control unit can simultaneously receive a plurality of electric signals sent by the corresponding touch sensors at a plurality of positions.
In an embodiment of the present disclosure, a surface of the touch pad assembly for receiving the pressing operation may include a plurality of touch areas.
In one embodiment, generating the control instruction based on the location information may include: determining a touch area acted by the pressing operation based on the position information; determining a control parameter for triggering the vibration feedback component to generate vibration based on the determined touch area; wherein the control instruction comprises the control parameter.
It should be noted that different control parameters correspond to different touch areas.
In the embodiment of the disclosure, when the vibration feedback component is located at one fixed position of the touch component and the pressing operation is performed on different pressing positions of the operation panel, the vibration feedback component can generate different vibrations according to different acting positions of the pressing operation, so that the generated vibrations can be adjusted according to the change of the acting positions of the pressing operation, the same vibration feedback can be sensed at different positions when the user performs the pressing operation, and the vibration difference generated due to different acting positions can be reduced.
In some embodiments, the method further comprises:
determining the type of the pressing operation according to the position information and the variable quantity of the acting force;
and outputting an electric signal corresponding to the type of the pressing operation to a control system based on the determined type of the pressing operation.
In this disclosure, when the magnitude of the acting force of the pressing operation on the touch panel assembly is different, it is determined that the types of the corresponding pressing operation are different when the position information is acquired. The determined pressing operation types are different, and the electric signals output to the control system are different. For example, depending on the magnitude of the force, the determined type of pressing operation may include a tap, and a heavy press. The signal size of the second electrical signal corresponding to the tap operation is different from the signal size of the second electrical signal corresponding to the tap operation; the signal size of the second electric signal corresponding to the light press operation is different from the signal size of the second electric signal corresponding to the heavy press operation. For example, the second electrical signal corresponding to the tap operation is smaller than the first electrical signal corresponding to the tap operation.
In some embodiments, the determining the type of the pressing operation according to the position information and the variation of the acting force includes at least one of:
when the variation of the acting force is larger than a first preset threshold value within preset time and the position information is acquired, determining the type of the pressing operation as a re-pressing operation; when the variation of the acting force is smaller than a second preset threshold value within preset time and the position information is acquired, determining the type of the pressing operation as a light touch operation;
and when the variation of the acting force is larger than the second preset threshold and smaller than the first preset threshold in preset time, and the position information is acquired, determining that the type of the pressing operation is a light pressing operation.
In an embodiment of the present disclosure, the first predetermined threshold is greater than the second predetermined threshold. And when the variation of the acting force represented by the electric signal is smaller than a second preset threshold value within preset time and the position information is acquired, determining that the type of the pressing operation is a light touch operation.
In one embodiment, generating a control command according to the position information and the variation of the acting force generated by the pressing operation may include:
when the variation of the acting force represented by the electric signal in a preset time is larger than a second preset threshold value, determining the touch area acted by the pressing operation based on the position information; determining a control parameter for triggering the vibration feedback component to generate vibration based on the determined touch area; wherein the control instruction comprises the control parameter.
It should be noted that different touch areas correspond to different control parameters.
In the embodiment of the disclosure, when the vibration feedback component is located at one fixed position of the touch component and the pressing operation is performed on different pressing positions of the operation panel, the vibration feedback component can generate different vibrations according to different pressing operation positions, so that the control parameter for generating the vibrations is adjusted according to the change of the pressing operation positions, and the user can feel the same vibration feedback at different positions when performing the pressing operation, thereby reducing the vibration difference generated due to different acting positions.
In the embodiment of the disclosure, the touch mode of the tap operation may be determined by position information determined by the touch sensor array.
The touch mode in which the pressing operation is determined to be the tapping operation at least comprises the following steps:
a first touch mode determined based on the number of touch points; and/or the presence of a gas in the gas,
a second touch mode determined based on the touch action; and/or the presence of a gas in the gas,
and a third touch mode determined based on the number of touch points and the touch action.
The first touch mode at least comprises the following steps: one of single-finger touch, double-finger touch, three-finger touch and four-finger touch;
the second touch mode at least comprises the following steps: one of a tap touch, a press touch, and a slide touch;
the third touch mode at least includes: a single-finger tap touch, a single-finger press touch, a single-finger slide touch, a double-finger tap touch, a double-finger press touch, a double-finger slide touch, and the like.
The different touch modes can be determined to be different preset first control actions. The first control action includes at least:
icon open, icon closed, icon movement, etc. Such as file open, folder open, file close, file move, folder open, folder move, etc. The cursor control can be operated to open the selected file, for example, by a single finger tap touch. And operating a cursor control to move the selected file by single-finger sliding touch.
And when the pressing operation is determined to be a heavy pressing operation or a light pressing operation according to the variable quantity of the acting force represented by the electric signal within the preset time, the control system can control the cursor control to execute a second control action corresponding to the pressing operation according to the acting force represented by the electric signal. Wherein the second control action at least comprises actions which can be executed by the control, such as control movement, control selection and the like.
Wherein, different pressing force degrees of the acting force correspond to different preset controls to act. For example, the first force corresponds to a cursor movement action, the second force corresponds to a cursor selection action, and so on. Or, the first power corresponds to the left key of the cursor, the second power corresponds to the right key of the cursor, and the like. Or, determining a left key, a right key, a middle key and the like of the cursor according to the position information, including determining a left key of the cursor corresponding to the first position information, a right key of the cursor corresponding to the second position information, and a middle key of the cursor corresponding to the third position information. When determining the control action implementation function based on the position information and the acting force strength, the control action implementation function may be preset by itself, and this is only an example.
In some embodiments, determining the amount of change in the force generated by the pressing operation comprises:
determining the change of a first electric signal generated by a force sensing assembly in the touch pad assembly when the pressing operation acts on the touch pad assembly within a preset time;
determining the amount of change in the acting force generated by the pressing operation based on the change in the first electrical signal.
In an embodiment of the disclosure, the first electrical signal is used to represent a magnitude of an acting force acting on the touch pad, and includes: the magnitude of the applied force is determined by the magnitude of the first electrical signal. For example a first electrical signal a, for characterizing a first force of the acting force; the first electric signal B is used for representing a second force of the acting force; when the first electrical signal A is greater than the first electrical signal B, a first force representing the acting force is greater than a second force representing the acting force. Therefore, the amount of change in the acting force generated by the pressing operation can be determined by the change in the first electric signal.
In some embodiments, the control instructions include at least one of the following control parameters:
the first control parameter is used for controlling the steady-state vibration inductance of the vibration generated by the vibration feedback component;
the second control parameter is used for controlling the response time of the vibration intensity generated by the vibration feedback component to reach stability;
a third control parameter for controlling an effective vibration bandwidth of the vibration generated by the vibration feedback component;
a fourth control parameter for controlling a trailing tremor time of vibrations generated by the vibration feedback assembly.
In the embodiment of the present disclosure, the steady-state vibration sensation of the vibration refers to the vibration intensity when the vibration is steady; the effective vibration bandwidth of the vibration refers to the vibration frequency range of the vibration that enables a user to have good vibration perception; the trailing tremor time of the vibration refers to the change time from the weakened vibration intensity to the process that the vibration intensity is stabilized to zero; the response time for the vibration intensity to reach the stability refers to a response time from the start of vibration to the stabilization of the vibration intensity, wherein the stabilized vibration intensity may be the maximum vibration intensity.
Wherein, the control parameters in the control instruction may further include: a fifth control parameter for controlling steady-state noise caused by the vibration; the steady-state noise caused by the vibration refers to the noise caused by the vibration when the vibration strength is stable; in the optimization process, the steady-state noise is made as zero as possible.
In some embodiments, the vibration generated by the vibration feedback assembly comprises at least one of:
vibration of single pulse waveform; vibration of square wave waveform; vibration of a sine wave waveform.
In the embodiment of the present disclosure, the vibration generated by the vibration feedback component may be a vibration generated by one waveform of a single pulse wave, a square wave and a sine wave, and any combination waveform.
In some embodiments, the vibration feedback assembly comprises at least one of:
linear motors, rotor motors, piezoelectric motors.
In the embodiment of the present disclosure, the vibration feedback assembly is mainly used for performing vibration feedback, and the function may be implemented by a linear motor, a rotor motor, or a piezoelectric motor, but is not limited thereto, as long as the vibration feedback assembly is a device capable of generating tactile feedback.
In the embodiment of the disclosure, for the detection of the pressing force degree, in order to improve the accuracy and the sensitivity of the detection of the pressure sensor and avoid the error touch and misoperation, the variation of the adopted force is compared when the acting force strength is judged. For example, when the force sensor detects the intensity data of the force, there is a high-speed sampling process, the sampling frequency range is 5Hz-100Hz (not limited to this range), the frequency of data collected by the force sensor will change according to the use situation, that is, when the user operates, the sampling frequency will be higher, and when the user does not operate the operation panel for a long time, the sampling frequency will be lower. When the user is operating, the force sensor will input real-time force data Ft, which varies over time, to the control unit IC. The control unit calculates a shorter fixed time period Δ t-t 2-t 1; the force variation Δ Ft is Ft2-Ft1, and the Δ Ft is compared with a force threshold to determine whether the pressing operation is performed. When a user presses, pressing habits of different users are different, and even factors such as external environment, long-term use of the operation panel and the like can bring errors. For example, when a user is using an object (for example, a pencil) that is just placed on the operation panel, the force applied to the operation panel by the object is Fw, and since the object does not cause a change in the touch sensor parameter, the IC determines the force as a non-user force. However, in this case, the real-time force data Ft sampled by the force sensor during the operation by the user may include the force Fw applied to the operation panel by the object, and if the force Ft sampled by the force sensor is used to directly determine whether the pressing may introduce an error, which may cause an error operation, the error force Fw may be exactly eliminated by changing the amount of the force Δ Ft to Ft2-Ft 1. Additionally, the user can make settings within the computer system whether multiple levels of pressing are required.
In the embodiment of the present disclosure, when it is determined that the pressing operation is the user operation, the control unit may feed back a touch signal or an electrical signal to the control system.
When it is determined that the pressing operation includes user operation and non-user operation, the strength of the acting force generated by the user operation can be obtained by subtracting the strength of the acting force generated by the non-user operation from the total strength of the detected acting force. For example, in the first duration, it is determined that the pressing operation is a non-user operation, the force detected as the acting force is the first detection force, in the second duration, it is determined that the pressing operation is a user operation, the force detected as the acting force is the second detection force, and at this time, it is determined that the force of the acting force corresponding to the user operation is the force value obtained by subtracting the first detection force from the second detection force.
A third aspect of the embodiments of the present disclosure provides an electronic device, including at least: the touch panel according to the above embodiments.
An embodiment of the present disclosure further provides an electronic device, including: a processor and a memory, the memory having stored thereon a computer program operable on the processor to, when executed, perform the steps of the method of the embodiments.
The disclosed embodiments also provide a computer-readable storage medium, on which a computer program is stored, wherein the computer program is used for implementing the steps of the method according to the embodiments when being executed by a processor.
Fig. 8 is a block diagram illustrating a terminal device according to an example embodiment. For example, the terminal device may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, and the like.
Referring to fig. 8, the terminal device may include one or more of the following components: a processing component 802, a memory 804, a power component 806, a multimedia component 808, an audio component 810, an input/output (I/O) interface 812, a sensor component 814, and a communication component 816.
The processing component 802 generally controls overall operation of the terminal device, such as operations associated with touch, phone call, data communication, camera operation, and recording operation. The processing components 802 may include one or more processors 820 to execute instructions to perform all or a portion of the steps of the methods described above. Further, the processing component 802 can include one or more modules that facilitate interaction between the processing component 802 and other components. For example, the processing component 802 can include a multimedia module to facilitate interaction between the multimedia component 808 and the processing component 802.
The memory 804 is configured to store various types of data to support operations at the terminal device. Examples of such data include instructions for any application or method operating on the terminal device, contact data, phonebook data, messages, pictures, videos, etc. The memory 804 may be implemented by any type or combination of volatile or non-volatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
The power component 806 provides power to various components of the terminal device. The power components 806 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for the terminal device.
The multimedia component 808 includes a screen that provides an output interface between the terminal device and the user. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 808 includes a front facing camera and/or a rear facing camera. When the terminal device is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera can receive external multimedia data. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.
The audio component 810 is configured to output and/or input audio signals. For example, the audio component 810 includes a Microphone (MIC) configured to receive external audio signals when the terminal device is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may further be stored in the memory 804 or transmitted via the communication component 816. In some embodiments, audio component 810 also includes a speaker for outputting audio signals.
The I/O interface 812 provides an interface between the processing component 802 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.
The sensor component 814 includes one or more sensors for providing various aspects of state assessment for the terminal device. For example, sensor assembly 814 may detect the open/closed status of the terminal device, the relative positioning of components, such as a display and keypad of the terminal device, the change in position of the terminal device or a component of the terminal device, the presence or absence of user contact with the terminal device, the orientation or acceleration/deceleration of the terminal device, and the change in temperature of the terminal device. Sensor assembly 814 may include a proximity sensor configured to detect the presence of a nearby object without any physical contact. The sensor assembly 814 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 814 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
The communication component 816 is configured to facilitate communication between the terminal device and other devices in a wired or wireless manner. The terminal device may access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof. In an exemplary embodiment, the communication component 816 receives a broadcast signal or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, communications component 816 further includes a Near Field Communications (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
In an exemplary embodiment, the terminal device may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors or other electronic components for performing the above-described methods.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (18)
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