CN106155437A - Operator scheme determination methods, touch points position judging method and touch control circuit - Google Patents
Operator scheme determination methods, touch points position judging method and touch control circuit Download PDFInfo
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- CN106155437A CN106155437A CN201510169025.9A CN201510169025A CN106155437A CN 106155437 A CN106155437 A CN 106155437A CN 201510169025 A CN201510169025 A CN 201510169025A CN 106155437 A CN106155437 A CN 106155437A
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- capacitance
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- induction
- operator scheme
- control circuit
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Abstract
The present invention relates to a kind of operator scheme determination methods, touch points position judging method and touch control circuit, in order to judge whether to enter underwater mode according to self-induction capacitance and Inductance and Capacitance value, under water in pattern, judge touch points position according to the deformation of substrate.
Description
Technical field
The present invention relates to a kind of operator scheme determination methods, touch points position judging method and touch control circuit,
Espespecially can be applicable to operator scheme determination methods, touch points position judging method and the touch-control control electricity of underwater operation
Road.
Background technology
After Smartphone and panel computer become the information commodity of main flow, touch control gesture is utilized to instruct
The Trackpad (touch pad) of input also just becomes the man-computer interface control device that user prefers to use.
Refer to Fig. 1 a, which is the cross-sectional view of capacitive Trackpad, as it can be seen, for example may be used
Being to have completed multiple induction electrode 11～14 below the substrate 1 of protection glass (Cover lens), and work as finger 19
When above touching substrate 1, some electrode in multiple induction electrode 11～14 just can be caused to be coupled to finger 19 and produce
The change of raw capacitance, such as the touching because of finger 19 of the self-induction electric capacity CS3 in self-induction electric capacity CS1～CS4 in figure
Touch and will produce the change of capacitance, and utilize touch control circuit (not shown) to carry out induction electrode 11～14
Scanning, to detect Inductance and Capacitance CM1～CM3 between induction electrode 11～14 and/or above-mentioned self-induction electric capacity
The change of CS1～CS4, and then estimate out the position of finger 19.
The portable apparatus at present with water-proof function gets more and more, but, when having aforementioned capacitive touch control plate
Portable apparatus is when underwater operation, because water 18 covers to (such as Fig. 1 b) above substrate 1, it will cause similar
Whole palm is pressed into the effect of capacitive touch control plate, causes the problem that position of touch cannot effectively judge, therefore,
How to develop a kind of capacitance touching control panel assembly can with underwater operation ability, actually in the urgent need to address at present
Problem.
Content of the invention
A kind of operator scheme determination methods of offer is provided, is applied to capacitive touch device,
Comprise the steps of the self-induction capacitance obtaining in this capacitive touch device and Inductance and Capacitance value；When this is from electrification
Capacitance variation just enters when being more than the second threshold value not less than the ascensional range of the first threshold value and this Inductance and Capacitance value
First operator scheme；And just enter one the when the ascensional range of this Inductance and Capacitance value is more than this second threshold value
Two operator schemes.
According to above-mentioned conception, wherein also comprise the steps of this self-induction capacitance and change not less than this first threshold
Just this second operator scheme is entered during value.
According to above-mentioned conception, wherein this first operator scheme is a underwater mode, and this second operator scheme is one normal
Pattern.
A further object of the present invention is to provide a kind of touch points position judging method, is applied to a capacitance touching control dress
Putting, this capacitive touch device includes multiple induction electrode and community electrode, and it comprises the steps of works as
This capacitance touch device, when a normal mode, provides a touch sense signals to these induction electrodes, and
When this capacitance touch device is in a underwater mode, provide this touch sense signals to this common electrode；Cause
Should touch sense signals, sense multiple capacitance from these induction electrodes respectively；And according to these capacitances
Judge the position of a touch points.
According to above-mentioned conception, wherein also comprise the steps of when this capacitance touch device is in this underwater mode
And when inputting this touch sense signals to this common electrode, provide a fixed voltage to these induction electrodes.
According to above-mentioned conception, wherein when this capacitance touch device is in a underwater mode, these capacitances are
Capacitance between these induction electrodes and this common electrode.
According to above-mentioned conception, wherein also comprise the steps of the corresponding table of use one position correction to revise this touch points
Position.
According to above-mentioned conception, wherein this capacitive touch device also includes a substrate, and these induction electrodes are arranged at this
On substrate, this touch points causes this substrate to produce deformation and changes in this common electrode and these induction electrodes at least one
The distance of induction electrode.
According to above-mentioned conception, wherein this capacitive touch device also includes a substrate, and these induction electrodes are arranged at this
On substrate, these capacitances are to be relevant to the deformation that this touch points causes this substrate.
It is still another object of the present invention to provide a kind of touch control circuit, in order to control capacitive touch control plate, this electricity
Appearance formula Trackpad includes multiple induction electrode and common electrode, and this touch control circuit comprises: capacitor sensing unit,
When operating in normal mode, output touch sense signals is to these induction electrodes, and detects from these induction electrodes
Many capacitances, to produce sensing result according to this；When operating in underwater mode, export this touch sense signals and extremely should
Common electrode, and from the many capacitances of these induction electrodes detection, to produce this sensing result according to this；And calculate single
Unit, according to this sensing result, calculates the position of a touch points.
According to above-mentioned conception, wherein when operating in this underwater mode, this capacitor sensing unit is from these induction electrodes
Detect the many capacitances between these induction electrodes and this common electrode.
According to above-mentioned conception, wherein this capacitive touch control plate also includes a substrate, and these induction electrodes are arranged at this base
On plate, when operating in this underwater mode, these capacitances are relevant to the deformation that this touch points causes this substrate.
According to above-mentioned conception, wherein when operating in this normal mode, this capacitor sensing unit also exports a fixing electricity
It is depressed into this common electrode.
It is still another object of the present invention to provide a kind of touch control circuit, in order to control a capacitive touch device
Operator scheme, this capacitive touch device comprises multiple induction electrode, and this touch control circuit comprises: an electric capacity sense
Survey unit, in order to detect a self-induction capacitance and an Inductance and Capacitance value from these induction electrodes；And one operation mould
Formula judging unit, in order to according to this self-induction capacitance and this Inductance and Capacitance value, to determine the behaviour of this capacitive touch device
Operation mode；Wherein when the variation of this self-induction capacitance is not less than the ascensional range of one first threshold value and this Inductance and Capacitance value
During more than second threshold value, this operator scheme judging unit determines this capacitance touch device in one first behaviour
Operation mode；And when the ascensional range of this Inductance and Capacitance value is not more than this second threshold value, this operator scheme judges single
Unit determines this capacitance touch device one second operator scheme.
According to above-mentioned conception, wherein when the variation of this self-induction capacitance exceedes this first threshold value, this operator scheme is sentenced
Disconnected unit determines this capacitance touch device in this second operator scheme.
According to above-mentioned conception, wherein this first operator scheme is a underwater mode, and this second operator scheme is one normal
Pattern.
Brief description
Fig. 1 a, 1b are the cross-sectional view of capacitive Trackpad.
Fig. 2 lacks the function block of be developed capacitive touch device by the present invention by improving known technology
Schematic diagram.
Fig. 3 a, 3b are the schematic diagrames of the position of touch scanning technique means utilizing the device of Fig. 2 to carry out.
Fig. 4 is that the present invention be developed by improving known technology disappearance, and second with regard to capacitive touch control plate is preferable
The function block schematic diagram of embodiment.
Fig. 5 a and Fig. 5 b is in the periphery of substrate and the deformation difference schematic diagram in central authorities area.
Fig. 5 c is the schematic diagram that the present invention develops the corresponding table of a position correction.
Fig. 6 is the method flow diagram of the operator scheme determination methods that the present invention develops.
Fig. 7 is the schematic diagram of an embodiment of the capacitive touch device of the present invention.
Symbol description
Substrate 1
Induction electrode 11～14
Finger 19
Self-induction electric capacity CS1～CS4
Inductance and Capacitance CM1～CM3
Water 18
Substrate 2
Capacitive touch control plate 20
Induction electrode 21～24
Finger 29
Touch control circuit 27
Water 28
Common electrode 25
Predetermined distance d
Induction electrode 41～44
Substrate 4
Bearing substrate 5
Finger 49
Touch control circuit 47
Capacitive touch control plate 71
Capacitor sensing unit 72
Processor 73
Inductance capacitance CSC1～CSC4
Detailed description of the invention
Embody feature of present invention the explanation at back segment will to describe in detail with some exemplary embodiments of advantage.It should be understood that
Be that the present invention can have various changes in different aspects, it neither departs from the scope of the present invention, and its
In explanation and be shown in and be substantially illustrated as being used, and be not used to limit the present invention.
Refer to Fig. 2, which is the present invention by improving the be developed capacitive touch device of known technology disappearance
Schematic diagram, as it can be seen, capacitive touch device includes a capacitive touch control plate 20 and a touch control circuit
27, and capacitive touch control plate 20 includes substrate the 2nd, multiple induction electrodes 21～24 and common electrode 25.
In enforcement, common electrode 25 can be that extra setting is come special to the technology of the present invention, naturally it is also possible to is to select to set
The electrode having the internal ready-made conductive plate of an electronic installation of this capacitive touch control plate to be constituted comes and other circuit one
Rise and share, for example, when capacitive touch control plate is arranged on a display panels, common electrode 25 can
For controlling the electrode that liquid crystal turns to.
Referring to Fig. 3 a, it is that the capacitance touch device of the present invention is in the schematic diagram of a normal mode.When
Capacitance touch device is when normal mode, such as when capacitive touch device is normally grasped in air
When making, touch control circuit 27 is output one touch sense signals (in figure as a example by square wave, but being not limited to this example)
To induction electrode 21-24, and when above finger 29 is placed to substrate 2, just can cause induction electrode 21～24
In some electrode be coupled to finger 29 and the change that produces capacitance, and touch control circuit 27 utilizes touch-control sensing
Induction electrode 21～24 is detected by signal, can detect that the Inductance and Capacitance between induction electrode 21～24
CM1～CM3 and/or the change of self-induction electric capacity CS1～CS4, and then estimate out the position of finger 29.Work as electric capacity
When formula contactor control device operates in normal mode, touch control circuit 27 more can provide a fixed voltage to common electrode
25, this fixed voltage for example, ground voltage, to avoid common electrode 25 to affect touch-control sensing.
Referring to Fig. 3 b, it is that the capacitance touch device of the present invention is in the schematic diagram of a underwater mode.When
When capacitive touch device is positioned in water 28, capacitive touch device changes and operates in underwater mode, now, and touch-control
Control circuit 27 is to export touch sense signals to common electrode 25, and provides a fixed voltage to induction electrode
21-24.By common electrode 25 setting and offer touch sense signals to common electrode 25, common electrode 25
And inductance capacitance CSC1～CSC4 will be formed between induction electrode 21～24.When device is carried out as shown in figure in water
During operation, will result in substrate 2 produce deformation owing to user's finger 29 is pressed on substrate 2, may result in common
Electrode 25 is become less than this with some interelectrode distance in induction electrode 21～24 by a predetermined distance d and makes a reservation for
Distance d so that in the CSC1～CSC4 at corresponding pressing, some capacitance becomes the capacitance with other not
Equally (this example is to become big), consequently, it is possible to touch control circuit 27 can sense sensing by self-induction electrode 21～24
The capacitance of the inductance capacitance CSC1～CSC4 between electrode 21～24 and common electrode 25, just can judge accordingly
The pressing position of finger.It in enforcement, in addition to using this kind of conventional material of glass to carry out completing substrate 2, is energy
The deformation allowing substrate 2 becomes apparent from, and the material that pliability is bigger can also be selected to make substrate 2, e.g. custom
The polyacids methyl esters (Polymethylmethacrylate is called for short PMMA) of title acryl (Acrylic), and substrate 2
And can be to fill air or other have flexual dielectric materials layer or dielectric glue (this between common electrode 25
Not shown).As for the interior details of touch control circuit 27 and how to judge to carry out in water or in air
The method paragraph that then waits behind of operation is described.
Then referring to Fig. 4 again, it is that the present invention be developed by improving known technology disappearance, with regard to condenser type
The function block schematic diagram of the second preferred embodiment of Trackpad, illustrated in Figure 1 where it can be seen that the present embodiment is by multiple sensings
Electrode 41～44 changes on the surface being arranged at another bearing substrate 5 on the surface of substrate 4, and (this figure is not when water
Illustrate) cover to above substrate 4, when causing utilizing tradition scan mode to carry out the judgement of position of touch,
Touch control circuit 47 may determine that as underwater mode, but the present invention still can sense user's finger 49
It is pressed on substrate 4 deformation being caused, in this instance, although the relative position between multiple induction electrodes 41～44
Can't change, but owing to user's finger 49 is pressed on substrate 4 deformation being caused, will result in substrate
The part being pressed in 4, closer to two adjacent induction electrodes of certain in induction electrode 41～44, in turn results in sensing
The distribution of the dielectric material between electrode 41～44 changes, and therefore can cause the mutual inductance between induction electrode 41～44
Electric capacity CM1～CM3 produces difference, and in this example, when substrate 4 is for glass, the dielectric coefficient of glass is about
Four times of air, when substrate 4 close induction electrode 41～44 because finger 49 presses, can make induction electrode 41～44
Between corresponding Inductance and Capacitance become big, and near at finger 49 pressing of substrate 4 in induction electrode 41～44
A pair induction electrode then has the Inductance and Capacitance value change of maximum.Consequently, it is possible in this instance, as long as utilizing touch-control
Multiple induction electrodes 41～44 are scanned by control circuit 47, in order to detect multiple induction electrode 41～44
Between Inductance and Capacitance CM1～CM3, find out capacitance and become big opposite position, just can estimate out finger 49
Position.
Further, since above-described embodiment is all the bending deformation quantity utilizing substrate causing the change of capacitance, but
It as shown in Fig. 5 a and Fig. 5 b, even if finger pressing power is identical, on diverse location, for example, is positioned at substrate 2
Periphery with central authorities area deformation also can be variant, cause sensed capacitance variations maximum to be not necessarily hand
Refer to the correct touch points position of pressing, cause and in interpretation, there may be error appearance, therefore can carry out touch points
The schematic diagram utilizing the corresponding table of position correction as shown in Figure 5 c during the interpretation of position carries out corresponding correction, main
If by measurement to offset vector (arrow shown in figure) according to corresponding to diverse location for the touch points and counter push away
To tram, and make the interpretation of touch points position more accurate.In implementation, can be in advance for each on capacitive touch control plate
Individual position carries out touching experiment, further according to the relation of position and the touch points position detecting of practical touch
Produce the corresponding table of position correction.
Furthermore, in order correctly judging, whether capacitive touch device is placed in operating in water, the present invention's
Touch control circuit 27 can perform method flow diagram as shown in Figure 6, and Fig. 7 is the capacitance touching control dress of the present invention
The schematic diagram of the embodiment put, as it can be seen, capacitive touch device includes capacitive touch control plate 71 and
Touch control circuit 27, and touch control circuit 27 comprises capacitor sensing unit and processor 73.Electric capacity in this example
Formula Trackpad 71 is to explain with the capacitive touch control plate shown in Fig. 2～Fig. 3 b.In step 61, electric capacity sense
Survey the induction electrode 21～24 of unit 72 self-capacitance Trackpad 71 and detect at least one self-induction electric capacity and at least one mutual
Electrification holds.And discovery after inventor's experiment, the phenomenon list as shown in following table 1 understands, no matter is Fig. 2
Embodiment shown in shown embodiment (being commonly called as the outer Trackpad of panel, Out-Cell) or Fig. 4 (is commonly called as on panel touching
Control plate, On-Cell), after capacitive touch device is placed in water, can substantially measure the rising of Inductance and Capacitance value
Trend, self-induction capacitance is then fair.Inference can allow the Inductance and Capacitance device between adjacent electrode after should being placed in water
Produce change because of the impact of the water of high-dielectric coefficient, thus result in the rising of overall Inductance and Capacitance value, but self-induction
Capacitance still remains unchanged.In implementation, touch control circuit 27 can be by comparing induction electrode 21～24 front and back
Inductance and Capacitance value detected by two different time points judges the change trend of Inductance and Capacitance.Similarly, touch-control
Control circuit 27 can by compare induction electrode 21～24 detected by former and later two different time points from electrification
Capacitance judges the change trend of self-induction electric capacity.
In step 62, self-induction capacitance and mutual electrification that processor 73 is detectd for capacitor sensing unit 72
Capacitance judges, to determine the operator scheme of capacitive touch device.When self-induction capacitance changes not less than first
When the ascensional range of threshold value and Inductance and Capacitance value is more than the second threshold value, processor 73 is just judged as capacitive touch
Control device is placed in water determining to make capacitance touch device in underwater mode (step 63).And when from electrification
When capacitance variation is less than the second threshold value more than the ascensional range of the first threshold value or Inductance and Capacitance value, processor 73
It is then judged as capacitive touch device not to be placed in water and determine capacitance touch device in normal mode (step
Rapid 64).Touch control circuit 27 can carry out the judgement of once-through operation every one section of special time, such as every half
Second is carried out once, in order to judge whether operating environment changes.
Table 1
Referring to Fig. 7 again, when capacitance touch device is in normal mode, capacitor sensing unit 72 provides
Fixed voltage is to the common electrode 25 in capacitive touch control plate 71, and exports touch sense signals to capacitance touching control
Induction electrode 21～24 in plate 71, with self-induction electrode 21～24 according to this detection Inductance and Capacitance CM1～CM3 and/
Or the capacitance of self-induction electric capacity CS1～CS4, and export sensing result to processor 73, processor 73 foundation
Sensing result produced by capacitor sensing unit 72, calculates the position of touch points.And work as capacitive touch device
When operating in underwater mode, capacitor sensing unit 72 changes provides fixed voltage to induction electrode 21～24, and exports
Touch sense signals is to common electrode 25, with the detection common electrode 25 of self-induction electrode 21～24 according to this and induced electricity
The capacitance of the inductance capacitance CSC1～CSC4 between pole 21～24, and export sensing result to processor 73,
Processor 73, according to sensing result produced by capacitor sensing unit 72, calculates the position of touch points.
In sum, assembly of the invention and method can solve cannot enter under water in capacitive touch pad technology
The disappearance of row touch control detection, therefore can be widely applied to underwater camera or the Trackpad of waterproof Smartphone
Or button.In addition, the present invention must by know this operator appoint execute craftsman think and be all as modify, so neither take off right want
Seek the scope that book to be protected.
Claims (16)
1. an operator scheme determination methods, is applied to a capacitive touch device, comprises the steps of
Obtain the self-induction capacitance in this capacitive touch device and an Inductance and Capacitance value；
When the variation of this self-induction capacitance is more than one not less than the ascensional range of one first threshold value and this Inductance and Capacitance value
Just one first operator scheme is entered during the second threshold value；And
Just one second operator scheme is entered when the ascensional range of this Inductance and Capacitance value is not more than this second threshold value.
2. operator scheme determination methods as claimed in claim 1, it is characterised in that also comprise the steps of
When the variation of this self-induction capacitance exceedes this first threshold value, just enter this second operator scheme.
3. operator scheme determination methods as claimed in claim 1, it is characterised in that this first operator scheme is
One underwater mode, this second operator scheme is a normal mode.
4. a touch points position judging method, is applied on a capacitive touch device, and this capacitance touching control fills
Putting and including multiple induction electrode and community electrode, it comprises the steps of
When this capacitance touch device is in a normal mode, provide a touch sense signals to these induced electricities
Pole, and when this capacitance touch device is in a underwater mode, provide this touch sense signals to this common electricity
Pole；
Because of should touch sense signals, sense multiple capacitance from these induction electrodes respectively；And
Judge the position of a touch points according to these capacitances.
5. touch points position judging method as claimed in claim 4, it is characterised in that also comprise the steps of
When this capacitance touch device in this underwater mode and inputs this touch sense signals to this common electrode
When, provide a fixed voltage to these induction electrodes.
6. touch points position judging method as claimed in claim 4, it is characterised in that when this capacitance touching control
When device operates in a underwater mode, these capacitances are the capacitance between these induction electrodes and this common electrode.
7. touch points position judging method as claimed in claim 4, it is characterised in that also comprise the steps of
Use the corresponding table of a position correction to revise the position of this touch points.
8. touch points position judging method as claimed in claim 4, it is characterised in that this capacitance touching control fills
Putting and also including a substrate, these induction electrodes are arranged on this substrate, this touch points cause this substrate produce deformation and
Change the distance of this common electrode and at least one induction electrode in these induction electrodes.
9. touch points position judging method as claimed in claim 4, it is characterised in that this capacitance touching control fills
Putting and also including a substrate, these induction electrodes are arranged on this substrate, and these capacitances are relevant to this touch points and cause
The deformation of this substrate.
10. a touch control circuit, in order to control a capacitive touch control plate, this capacitive touch control plate includes multiple
Induction electrode and community electrode, this touch control circuit comprises:
One capacitor sensing unit, when operating in a normal mode, exports a touch sense signals to these induced electricities
Pole, and from the many capacitances of these induction electrodes detection, to produce a sensing result according to this；When operating in a mould under water
During formula, export this touch sense signals to this common electrode, and from the many capacitances of these induction electrodes detection, with evidence
To produce this sensing result；And
One computing unit, according to this sensing result, calculates the position of a touch points.
11. touch-control control circuit as claimed in claim 10, it is characterised in that when operating in this underwater mode,
This capacitor sensing unit detects the many capacitances between these induction electrodes and this common electrode from these induction electrodes.
12. touch control circuit as claimed in claim 11, it is characterised in that this capacitive touch control plate also wraps
Including a substrate, these induction electrodes are arranged on this substrate, when operating in this underwater mode, and these capacitance phases
Cause the deformation of this substrate with regard to this touch points.
13. touch control circuit as claimed in claim 10, it is characterised in that when operating in this normal mode
When, this capacitor sensing unit also exports a fixed voltage to this common electrode.
14. 1 kinds of touch control circuit, in order to control the operator scheme of a capacitive touch device, this capacitive touch
Control device comprises multiple induction electrode, and this touch control circuit comprises:
One capacitor sensing unit, in order to detect a self-induction capacitance and an Inductance and Capacitance value from these induction electrodes；
And
One operator scheme judging unit, in order to according to this self-induction capacitance and this Inductance and Capacitance value, to determine this condenser type
The operator scheme of contactor control device；
Wherein when the variation of this self-induction capacitance is big not less than the ascensional range of one first threshold value and this Inductance and Capacitance value
When second threshold value, this operator scheme judging unit determines this capacitance touch device in one first operation
Pattern；And when the ascensional range of this Inductance and Capacitance value is not more than this second threshold value, this operator scheme judging unit
Determine this capacitance touch device one second operator scheme.
15. touch control circuit as claimed in claim 14, it is characterised in that when the variation of this self-induction capacitance
When exceeding this first threshold value, this operator scheme judging unit determines this capacitance touch device in this second behaviour
Operation mode.
16. touch control circuit as claimed in claim 14, it is characterised in that this first operator scheme is one
Underwater mode, this second operator scheme is a normal mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510169025.9A CN106155437B (en) | 2015-04-10 | 2015-04-10 | Operation mode judging method, touch point position judging method and touch control circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510169025.9A CN106155437B (en) | 2015-04-10 | 2015-04-10 | Operation mode judging method, touch point position judging method and touch control circuit |
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| Publication Number | Publication Date |
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| CN106155437A true CN106155437A (en) | 2016-11-23 |
| CN106155437B CN106155437B (en) | 2020-01-07 |
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| CN201510169025.9A Active CN106155437B (en) | 2015-04-10 | 2015-04-10 | Operation mode judging method, touch point position judging method and touch control circuit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109739299A (en) * | 2018-12-19 | 2019-05-10 | 圆尚科技（深圳）有限公司 | A kind of touch control input method and the palmtop device with touch-control input function |
| CN110174972A (en) * | 2019-06-04 | 2019-08-27 | 业成科技（成都）有限公司 | Touch-control system, operating method and non-transient computer-readable recording medium |
| CN110287931A (en) * | 2019-07-01 | 2019-09-27 | Oppo广东移动通信有限公司 | Touch coordinate determines method, apparatus, terminal and storage medium |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203838682U (en) * | 2014-01-23 | 2014-09-17 | 新励科技(深圳)有限公司 | Capacitive touch panel |
| US8982097B1 (en) * | 2013-12-02 | 2015-03-17 | Cypress Semiconductor Corporation | Water rejection and wet finger tracking algorithms for truetouch panels and self capacitance touch sensors |
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2015
- 2015-04-10 CN CN201510169025.9A patent/CN106155437B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8982097B1 (en) * | 2013-12-02 | 2015-03-17 | Cypress Semiconductor Corporation | Water rejection and wet finger tracking algorithms for truetouch panels and self capacitance touch sensors |
| CN203838682U (en) * | 2014-01-23 | 2014-09-17 | 新励科技(深圳)有限公司 | Capacitive touch panel |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109739299A (en) * | 2018-12-19 | 2019-05-10 | 圆尚科技（深圳）有限公司 | A kind of touch control input method and the palmtop device with touch-control input function |
| CN110174972A (en) * | 2019-06-04 | 2019-08-27 | 业成科技（成都）有限公司 | Touch-control system, operating method and non-transient computer-readable recording medium |
| TWI716893B (en) * | 2019-06-04 | 2021-01-21 | 大陸商業成科技（成都）有限公司 | Touch system, operation method, and non-transitory computer readable storage medium |
| CN110287931A (en) * | 2019-07-01 | 2019-09-27 | Oppo广东移动通信有限公司 | Touch coordinate determines method, apparatus, terminal and storage medium |
| CN110287931B (en) * | 2019-07-01 | 2021-09-03 | Oppo广东移动通信有限公司 | Touch coordinate determination method and device, terminal and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106155437B (en) | 2020-01-07 |
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