CN105468213A - Touch screen sensing method and apparatus - Google Patents
Touch screen sensing method and apparatus Download PDFInfo
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- CN105468213A CN105468213A CN201410449178.4A CN201410449178A CN105468213A CN 105468213 A CN105468213 A CN 105468213A CN 201410449178 A CN201410449178 A CN 201410449178A CN 105468213 A CN105468213 A CN 105468213A
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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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- 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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
-
- 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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0447—Position sensing using the local deformation of sensor cells
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- User Interface Of Digital Computer (AREA)
- Position Input By Displaying (AREA)
Abstract
The present invention provides a touch screen sensing method and apparatus, relates to the field of computer equipment, and solves a problem that the user experience is affected due to a single sensing mode of an existing touch screen. The method comprises: detecting a touched position of the touch screen; and determining a touched potency dimension on the touched position according to capacitance value change of a capacitor on the touched position. The technical scheme provided by the present invention is applicable to the touch screen, and achieves a more abundant touch screen sensing manipulation manner.
Description
Technical field
The present invention relates to computer equipment field, particularly relate to a kind of touch screen induction method and apparatus.
Background technology
Traditional touch-screen is a kind of input equipment, and it can allow user only touch icon on display screen or word lightly with finger, just can realize the operation to main frame, break away from keyboard and mouse action like this, make people and machine more simple and direct alternately.It has sturdy and durable, reaction velocity fast, save space, be easy to the advantages such as interchange.
Along with the application of touch-screen in the handheld devices such as mobile phone, the especially widespread use of capacitance plate, enhances the Consumer's Experience of terminal device greatly, and the application of thing followed application touch-screen also gets more and more, and constantly enriches the life of our every day.But touch-screens all is on the market all a kind of horizontal induction now, and can only sense the position of touching, inductive mode is single, also limit mode of operation, have impact on the Consumer's Experience of some application programs.
Summary of the invention
The invention provides a kind of touch screen induction method and apparatus, solve existing touch screen induction pattern single and then affect the problem of Consumer's Experience.
A kind of touch screen induction method, comprising:
Detect the position that is touched of touch-screen;
Capacitor's capacity according to the described position that is touched changes, and judges the dynamics be touched on this is touched position.
Preferably, described touch-screen comprises two-layer non-contacting capacitor plate, and described capacitor plate comprises multiple electric capacity, and the contact area of each electric capacity is fixed.
Preferably, the position that is touched detecting touch-screen comprises:
Detect the capacitance change of each electric capacity;
At once start timing in the moment having the capacitance of electric capacity to change, when changing to the capacitance without any electric capacity, timing stops, and timing result is transformation period;
Determine that multiple electric capacity positions that capacitance changes are the position that is touched, the area of the position that is touched described in the contact area sum of the plurality of electric capacity is formed jointly;
When timing stops measure described in be touched position capacitor's capacity as change after capacitor's capacity.
Preferably, the capacitor's capacity according to the described position that is touched changes, and judges that the dynamics be touched on this is touched position comprises:
Be touched the difference of capacitor's capacity after the capacitor's capacity original value of position and described change as capacitor's capacity variable quantity described in calculating;
Be touched the capacitor plate of position by compression distance described in calculating according to following formula:
ΔC＝∈S/d，
Wherein, Δ C is described capacitor's capacity variable quantity, S for described in be touched the area of position, d is that described capacitor plate is by compression distance;
With described capacitor plate by compression distance divided by described transformation period, the rate of change of the position that is touched described in calculating;
According to described rate of change, the size that the position that is touched described in judgement is stressed.
Preferably, the original value of capacitor's capacity is the capacitor's capacity before deformation does not occur electric capacity.
Preferably, the method also comprises:
When improving the resolution of described touch-screen, increase the quantity of electric capacity on described capacitor plate.
Preferably, the capacitor's capacity according to the described position that is touched changes, and after judging the step of the dynamics be touched on this is touched position, also comprises:
The data of the dynamics that the position that is touched described in showing is touched are transferred to relevant application program.
Present invention also offers a kind of touch screen induction device, comprising:
Capacitance change detection module, for detecting the position that is touched of touch-screen;
Dynamics determination module, the capacitor's capacity for the position that is touched described in basis changes, and judges the dynamics be touched on this is touched position.
Preferably, described touch-screen comprises two-layer non-contacting capacitor plate, and described capacitor plate comprises multiple electric capacity, and the contact area of each electric capacity is fixed, and described capacitance change detection module comprises:
Change detection unit, for detecting the capacitance change of each electric capacity;
Timing unit, at once starting timing in the moment having the capacitance of electric capacity to change, when changing to the capacitance without any electric capacity, timing stops, and timing result is transformation period;
Areal calculation unit, for determining that multiple electric capacity positions that capacitance changes are the position that is touched, the area of the position that is touched described in the contact area sum of the plurality of electric capacity is formed jointly;
Capacitance measurement unit, for when timing stops measure described in be touched position capacitor's capacity as change after capacitor's capacity.
Preferably, described dynamics determination module comprises:
Capacitance variations computing unit, for the difference of capacitor's capacity after the capacitor's capacity original value of the position that is touched described in calculating and described change as capacitor's capacity variable quantity;
Deformation calculation unit, for the capacitor plate of the position that is touched according to following formulae discovery by compression distance:
ΔC＝∈S/d，
Wherein, Δ C is described capacitor's capacity variable quantity, and ∈ is specific inductive capacity, S for described in be touched the area of position, d is that described capacitor plate is by compression distance;
Rate calculation unit, for described capacitor plate by compression distance divided by described transformation period, the rate of change of the position that is touched described in calculating;
Dynamics quantifying unit, for according to described rate of change, the size that the position that is touched described in judgement is stressed.
The invention provides a kind of touch screen induction method and apparatus, detect the position that is touched of touch-screen, the capacitor's capacity according to the described position that is touched changes, and judges the dynamics be touched on this is touched position.On the basis detecting horizontal touch screen induction, add new induction dimension, achieve the touch screen induction control mode of more horn of plenty, solve existing touch screen induction pattern single and then affect the problem of Consumer's Experience.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of touch screen induction system provided for embodiments of the invention one;
Fig. 2 is the process flow diagram of a kind of touch screen induction method that embodiments of the invention two provide;
Fig. 3 is the particular flow sheet of step 201 in Fig. 2;
Fig. 4 is the particular flow sheet of step 202 in Fig. 2;
Fig. 5 is the structural representation of a kind of touch screen induction device that embodiments of the invention three provide;
Fig. 6 is the structural representation of capacitance change detection module 501 in Fig. 5;
Fig. 7 is the structural representation of dynamics determination module 502 in Fig. 5.
Embodiment
Touch-screens all is on the market all a kind of horizontal induction now, and can only sense the position of touching, inductive mode is single, also limit mode of operation, have impact on the Consumer's Experience of some application programs.And the dynamics of touching can not well be presented, the induction like this for longitudinal direction just cannot embody, the Consumer's Experience of some application programs like this with regard to greatly reducing.
In order to solve the problem, The embodiment provides a kind of touch screen induction method and apparatus, this will promote the application of touch-screen greatly, more has stereoscopic sensation for more existing application.
Hereinafter will be described in detail to embodiments of the invention by reference to the accompanying drawings.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combination in any mutually.
First by reference to the accompanying drawings, embodiments of the invention one are described.
Embodiments provide a kind of touch-screen that touching intensity can be detected, this touch-screen utilizes specific principle to detect the size of touching intensity, and the strength detected is changed into the data that needs applied by mobile phone by data processing module through terminal again.Preferably, this touch-screen comprises the identical capacitor plate of area that upper and lower two panels stacks, this capacitor plate needs to be divided into much small electric capacity, and the quantity of electric capacity is proportional with the number of the resolution of screen, and namely when screen resolution improves, on this capacitor plate, the quantity of electric capacity also can increase.
The method that the embodiment of the present invention detects touching intensity mainly utilizes the change of capacitance to detect.This method takes full advantage of the characteristic of electric capacity itself, and electric capacity is made up of two insulating mediums between sheet metal and sheet metal.The computing formula of capacitor's capacity is as follows:
C＝∈S/d
Wherein:
∈ is specific inductive capacity;
S capacitor plate is touched the area of position;
D is the distance between two capacitor plates.
From formula above we can find out when specific inductive capacity ∈ and capacitor plate be touched the area S of position be all definite value time, capacitance C and the d of electric capacity are inversely proportional to.
The method of the detect force mentioned in the embodiment of the present invention is exactly utilize the relation between the distance d between capacitance C and pole plate to carry out computing power.The method is when being applied on touch-screen effectively, corresponding movement can be there is in the capacitor plate of touch-screen of position of being touched, namely compression set, distance d between such capacitor plate will change, at the area S (area of the position that is touched of specific inductive capacity ∈ and capacitor plate, comprise the contact area of all small capacitances touched) for definite value time, just can calculate capacitor's capacity variation delta C, (starting point of record is the time touching capacitance plate can to record transformation period t in the change procedure of capacitor's capacity, the time terminated is the time that electric capacity stops continuing change), such Δ C/t just can calculate the speed of capacitor's capacity change, the rate of change d/t of capacitor plate spacing just can be calculated according to the relation between capacitor's capacity C and the spacing d of capacitor plate, , rate of change can change into the size of power through quantification treatment.
The embodiment of the present invention additionally provides a kind of touch screen induction system, as shown in Figure 1, comprises following module:
Capacitor plate 101, measurement module 102, computing module 103, data processing module 104.
Wherein, capacitor plate 101: a kind of special capacitor plate that can change position because of stressed is mainly provided.
Measurement module 102: this module is used for the change of the capacitance after the change in location of Detection capacitance face.
Computing module 103: this module is mainly used in the data processing in later stage, the data obtained from measurement module do the process in later stage, calculate the size of exerting oneself.
Data processing module 104: the power that this module is used for measuring quantizes with the demand of satisfied different use-case.
The touch-screen that the embodiment of the present invention provides and touch screen induction system can be applied on all products of use touch-screen, the Consumer's Experience of end product can be promoted greatly, to the impression that user one is more three-dimensional, as can be applicable on mobile phone products on a games needing the size of detect force.
Below for mobile phone, be described using the flow process of above-mentioned touch-screen and touch screen induction systematic survey touching intensity:
1) when cellphone subscriber is with finger touching touch-screen, because the effect of the power of finger, the capacitor plate of touch-screen can produce small deformation, and this change detected by this special touch-screen, and can be transferred to measurement module by this small deformation.
2) measurement module is according to 1) data that obtain, the change calculating touch-screen capacitor's capacity accurately (has an original value before capacitance plate dispatches from the factory, be exactly there is not deformation before capacitor's capacity, by change after capacitor's capacity and original value poor, namely capacitor's capacity variable quantity is obtained), and the capacitor's capacity variable quantity measured is passed to computing module carry out computing.
3) according to the capacitor's capacity variable quantity that measurement module calculates, computing module can calculate the size of exerting oneself accurately, and the size of the power calculated is passed to data processing module processes.
4) data of power that data processing module calculates for computing module quantize, be quantized into can identify by various application program data (the data that identify also refer to some data required for mobile phone or game application software, concrete form needs to process according to the demand of application software, and the raw data obtained is exactly the data of the change of power).
5) data that application program obtains data processing module and provides can make specific response according to these data later, can be presented in face of user by the change that touching intensity is brought, can promote user's feeling ability like this.
Below in conjunction with accompanying drawing, embodiments of the invention two are described.
Embodiments provide a kind of touch screen induction method, the touch-screen of use comprises two-layer non-contacting capacitor plate, and described capacitor plate comprises multiple electric capacity, and the contact area of each electric capacity is fixed.Use the method complete to touch-screen be touched dynamics detect flow process as shown in Figure 2, comprising:
The position that is touched of step 201, detection touch-screen;
This step is concrete as shown in Figure 3, comprising:
Step 2011, detect each electric capacity capacitance change;
Step 2012, at once start timing in the moment having the capacitance of electric capacity to change, when changing to the capacitance without any electric capacity, timing stops, and timing result is transformation period;
Step 2013, determine that multiple electric capacity positions that capacitance changes are the position that is touched, the area of the position that is touched described in the contact area sum of the plurality of electric capacity is formed jointly;
The capacitor's capacity of step 2014, the position that is touched described in measurement when timing stops is as capacitor's capacity after change.
Step 202, according to described in be touched position capacitor's capacity change, judge the dynamics be touched on this is touched position;
This step is concrete as shown in Figure 4, comprising:
Step 2021, calculate described in be touched the difference of capacitor's capacity after the capacitor's capacity original value of position and described change as capacitor's capacity variable quantity;
In the embodiment of the present invention, the original value of capacitor's capacity is the capacitor's capacity before deformation does not occur electric capacity.
The capacitor plate of step 2022, the position that is touched according to following formula calculating is by compression distance:
ΔC＝∈S/d，
Wherein, Δ C is described capacitor's capacity variable quantity, S for described in be touched the area of position, d is that described capacitor plate is by compression distance;
Step 2023, with described capacitor plate by compression distance divided by described transformation period, the rate of change of the position that is touched described in calculating;
Step 2024, according to described rate of change, the size that the position that is touched described in judgement is stressed.
Preferably, the touch-screen that the embodiment of the present invention relates to, the electric capacity quantity in its resolution and capacitor plate is directly proportional.Namely, when improving the resolution of described touch-screen, the quantity of electric capacity on described capacitor plate is increased.
After the data of the dynamics determining to be touched, the data of the dynamics that the position that is touched described in showing is touched can also be converted to the form that can be employed procedure identification, transfer to relevant application program.
Below in conjunction with accompanying drawing, embodiments of the invention three are described.
Embodiments provide a kind of touch screen induction device, in conjunction with touch-screen, complete the function of touch sensitive dynamics.The structure of this device as shown in Figure 5, comprising:
Capacitance change detection module 501, for detecting the position that is touched of touch-screen;
Dynamics determination module 502, the capacitor's capacity for the position that is touched described in basis changes, and judges the dynamics be touched on this is touched position.
Preferably, described touch-screen comprises two-layer non-contacting capacitor plate, and described capacitor plate comprises multiple electric capacity, and the contact area of each electric capacity is fixed.
The structure of described capacitance change detection module 501 as shown in Figure 6, comprising:
Change detection unit 5011, for detecting the capacitance change of each electric capacity;
Timing unit 5012, at once starting timing in the moment having the capacitance of electric capacity to change, when changing to the capacitance without any electric capacity, timing stops, and timing result is transformation period;
Areal calculation unit 5013, for determining that multiple electric capacity positions that capacitance changes are the position that is touched, the area of the position that is touched described in the contact area sum of the plurality of electric capacity is formed jointly;
Capacitance measurement unit 5014, for when timing stops measure described in be touched position capacitor's capacity as change after capacitor's capacity.
Preferably, the structure of described dynamics determination module 502 as shown in Figure 7, comprising:
Capacitance variations computing unit 5021, for the difference of capacitor's capacity after the capacitor's capacity original value of the position that is touched described in calculating and described change as capacitor's capacity variable quantity;
Deformation calculation unit 5022, for the capacitor plate of the position that is touched according to following formulae discovery by compression distance:
ΔC＝∈S/d，
Wherein, Δ C is described capacitor's capacity variable quantity, and ∈ is specific inductive capacity, S for described in be touched the area of position, d is that described capacitor plate is by compression distance;
Rate calculation unit 5023, for described capacitor plate by compression distance divided by described transformation period, the rate of change of the position that is touched described in calculating;
Dynamics quantifying unit 5024, for according to described rate of change, the size that the position that is touched described in judgement is stressed.
The embodiment provides a kind of touch screen induction method and apparatus, detect the position that is touched of touch-screen, the capacitor's capacity according to the described position that is touched changes, and judges the dynamics be touched on this is touched position.On the basis detecting horizontal touch screen induction, add new induction dimension, achieve the touch screen induction control mode of more horn of plenty, solve existing touch screen induction pattern single and then affect the problem of Consumer's Experience.
One of ordinary skill in the art will appreciate that all or part of step of above-described embodiment can use computer program flow process to realize, described computer program can be stored in a computer-readable recording medium, described computer program (as system, unit, device etc.) on corresponding hardware platform performs, when performing, step comprising embodiment of the method one or a combination set of.
Alternatively, all or part of step of above-described embodiment also can use integrated circuit to realize, and these steps can be made into integrated circuit modules one by one respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
Each device/functional module/functional unit in above-described embodiment can adopt general calculation element to realize, and they can concentrate on single calculation element, also can be distributed on network that multiple calculation element forms.
Each device/functional module/functional unit in above-described embodiment using the form of software function module realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.The above-mentioned computer read/write memory medium mentioned can be ROM (read-only memory), disk or CD etc.
Anyly be familiar with those skilled in the art in the technical scope that the present invention discloses, change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain described in claim.
Claims (10)
1. a touch screen induction method, is characterized in that, comprising:
Detect the position that is touched of touch-screen;
Capacitor's capacity according to the described position that is touched changes, and judges the dynamics be touched on this is touched position.
2. touch screen induction method according to claim 1, is characterized in that, described touch-screen comprises two-layer non-contacting capacitor plate, and described capacitor plate comprises multiple electric capacity, and the contact area of each electric capacity is fixed.
3. touch screen induction method according to claim 2, is characterized in that, the position that is touched detecting touch-screen comprises:
Detect the capacitance change of each electric capacity;
At once start timing in the moment having the capacitance of electric capacity to change, when changing to the capacitance without any electric capacity, timing stops, and timing result is transformation period;
Determine that multiple electric capacity positions that capacitance changes are the position that is touched, the area of the position that is touched described in the contact area sum of the plurality of electric capacity is formed jointly;
When timing stops measure described in be touched position capacitor's capacity as change after capacitor's capacity.
4. touch screen induction method according to claim 3, is characterized in that, the capacitor's capacity according to the described position that is touched changes, and judges that the dynamics be touched on this is touched position comprises:
Be touched the difference of capacitor's capacity after the capacitor's capacity original value of position and described change as capacitor's capacity variable quantity described in calculating;
Be touched the capacitor plate of position by compression distance described in calculating according to following formula:
ΔC＝∈S/d，
Wherein, Δ C is described capacitor's capacity variable quantity, S for described in be touched the area of position, d is that described capacitor plate is by compression distance;
With described capacitor plate by compression distance divided by described transformation period, the rate of change of the position that is touched described in calculating;
According to described rate of change, the size that the position that is touched described in judgement is stressed.
5. touch screen induction method according to claim 4, is characterized in that, the original value of capacitor's capacity is the capacitor's capacity before deformation does not occur electric capacity.
6. touch screen induction method according to claim 3, it is characterized in that, the method also comprises:
When improving the resolution of described touch-screen, increase the quantity of electric capacity on described capacitor plate.
7. touch screen induction method according to claim 1, is characterized in that, the capacitor's capacity according to the described position that is touched changes, and after judging the step of the dynamics be touched on this is touched position, also comprises:
The data of the dynamics that the position that is touched described in showing is touched are transferred to relevant application program.
8. a touch screen induction device, is characterized in that, comprising:
Capacitance change detection module, for detecting the position that is touched of touch-screen;
Dynamics determination module, the capacitor's capacity for the position that is touched described in basis changes, and judges the dynamics be touched on this is touched position.
9. touch screen induction device according to claim 8, is characterized in that, described touch-screen comprises two-layer non-contacting capacitor plate, and described capacitor plate comprises multiple electric capacity, and the contact area of each electric capacity is fixed, and described capacitance change detection module comprises:
Change detection unit, for detecting the capacitance change of each electric capacity;
Timing unit, at once starting timing in the moment having the capacitance of electric capacity to change, when changing to the capacitance without any electric capacity, timing stops, and timing result is transformation period;
Areal calculation unit, for determining that multiple electric capacity positions that capacitance changes are the position that is touched, the area of the position that is touched described in the contact area sum of the plurality of electric capacity is formed jointly;
Capacitance measurement unit, for when timing stops measure described in be touched position capacitor's capacity as change after capacitor's capacity.
10. touch screen induction device according to claim 9, is characterized in that, described dynamics determination module comprises:
Capacitance variations computing unit, for the difference of capacitor's capacity after the capacitor's capacity original value of the position that is touched described in calculating and described change as capacitor's capacity variable quantity;
Deformation calculation unit, for the capacitor plate of the position that is touched according to following formulae discovery by compression distance:
ΔC＝∈S/d，
Wherein, Δ C is described capacitor's capacity variable quantity, and ∈ is specific inductive capacity, S for described in be touched the area of position, d is that described capacitor plate is by compression distance;
Rate calculation unit, for described capacitor plate by compression distance divided by described transformation period, the rate of change of the position that is touched described in calculating;
Dynamics quantifying unit, for according to described rate of change, the size that the position that is touched described in judgement is stressed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410449178.4A CN105468213A (en) | 2014-09-04 | 2014-09-04 | Touch screen sensing method and apparatus |
| PCT/CN2015/071489 WO2015154570A1 (en) | 2014-09-04 | 2015-01-23 | Touchscreen sensing method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410449178.4A CN105468213A (en) | 2014-09-04 | 2014-09-04 | Touch screen sensing method and apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN105468213A true CN105468213A (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410449178.4A Withdrawn CN105468213A (en) | 2014-09-04 | 2014-09-04 | Touch screen sensing method and apparatus |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105468213A (en) |
| WO (1) | WO2015154570A1 (en) |
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| CN106843570A (en) * | 2016-12-30 | 2017-06-13 | 胡振强 | Pressure sensitivity recognition screen |
| WO2018191909A1 (en) * | 2017-04-20 | 2018-10-25 | 华为技术有限公司 | Signal reporting method and apparatus |
| CN109947308A (en) * | 2017-09-06 | 2019-06-28 | 郑庆生 | A kind of ergomiter-insole |
| WO2020150984A1 (en) * | 2019-01-25 | 2020-07-30 | 深圳市汇顶科技股份有限公司 | Contact area calculating method and apparatus, touch chip, and electronic device |
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|---|---|
| WO2015154570A1 (en) | 2015-10-15 |
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