CN107656657A - Contactor control device and its noise jamming ameliorative way - Google Patents
Contactor control device and its noise jamming ameliorative way Download PDFInfo
- Publication number
- CN107656657A CN107656657A CN201610592132.7A CN201610592132A CN107656657A CN 107656657 A CN107656657 A CN 107656657A CN 201610592132 A CN201610592132 A CN 201610592132A CN 107656657 A CN107656657 A CN 107656657A
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- Prior art keywords
- touch
- sense wire
- noise jamming
- control device
- control
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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
-
- 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
- G06F3/0412—Digitisers structurally integrated in a display
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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)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The present invention provides a kind of contactor control device and its noise jamming ameliorative way.Judge that whether sense wire corresponding to touch point is by noise jamming on touch area according to the touch-control sensing value obtained by the voltage on sampling sense wire, touch area corresponding to sense wire by noise jamming is set to virtual region, and the virtual position of touch of the position of touch calculating virtual region according to the touch area adjacent with virtual region, judging by accident for position of touch is caused with the touch-control sensing value for avoiding the sense wire by noise jamming from being provided, and the use quality of contactor control device is effectively improved in the case of human cost is not increased.
Description
Technical field
The present invention relates to a kind of contactor control device, more particularly to a kind of contactor control device and its noise jamming ameliorative way.
Background technology
Carried with information technology, wireless mobile communication and the fast development of information household appliances and application, and in order to reach
More humane purpose is more lightly changed and operated to more convenient, volume, and many information products are defeated by conventional keyboard or mouse etc.
Enter device, be changed into using contactor control device (Touch Device), comprising applied to display, the touch-control with display function shows
Show panel (Touch Panel), and the Trackpad (Touch Pad) with touch controllable function is used as input unit on substrate.Mesh
Before, contactor control device mainly can sub-resistance formula, condenser type, sound wave type, optical profile type etc..Wherein, at present especially with capacitive touch device
For the main flow of development.
The principle of induction of capacitance touch control screen is that voltage is acted on into touch sensing area to form stationary electric field, works as use
Person is so that finger or conductive body be close or during the surface of touch capacitor type contact panel, the capacitance on capacitance type touch-control panel
Corresponding change can occur.Capacitance type touch-control panel capacitance variation as carries out the sensing of position of touch and meter
Calculate.The advantages of though there is capacitance type touch-control panel sensitivity to compare height, and service life is longer, it is also easily done by noise
Disturb and lead to not the touch control operation for correctly reacting user.
The content of the invention
The present invention provides a kind of contactor control device and its noise jamming ameliorative way, can not increase human cost and effectively change
The situation that kind contactor control device is judged by accident by the position of touch caused by noise jamming.
The contactor control device of the present invention, including contact panel, drive circuit, sensing circuit and control circuit.Contact panel
With multi-strip scanning line and a plurality of sense wire, scan line forms touch area with sense wire.Drive circuit couples scan line, in
Scan line is driven during the sensing of scan line.Sensing circuit couples sense wire, samples the voltage on sense wire to produce multiple touch
Control sensing value.Control circuit couples drive circuit and sensing circuit, judges on touch area that at least one is tactile according to touch-control sensing value
Control the position of touch of point and judge that sense wire corresponding to touch point whether by noise jamming, will be sensed by noise jamming
Touch area corresponding to line is set to virtual region, and the touch-control position of the touch point according to the touch area adjacent with virtual region
Put the virtual position of touch for calculating virtual region.
In one embodiment of this invention, above-mentioned control circuit also controls the sense of sensing circuit stopping sampling virtual region
The voltage of survey line.
In one embodiment of this invention, the size of above-mentioned control circuit foundation touch point, touch-control duration
And whether the change in displacement value at least one of position of touch judges sense wire corresponding to touch point by noise jamming.
In one embodiment of this invention, above-mentioned contactor control device is touch control display, and contact panel is touch-control display surface
Plate, touch-control display panel also include panel inner grid driver, and it is configured at by touch area and parallel with sense wire, in panel
The gate driver drive touch-control display panel receives display data to show image frame, and control circuit is also according to touch-control sensing
Value judge neighbouring panel inner grid driver sense wire whether by panel inner grid driver noise jamming, and will be by
Touch area corresponding to the sense wire of the noise jamming of panel inner grid driver is set to virtual region.
In one embodiment of this invention, above-mentioned contact panel is capacitance type touch-control panel.
The present invention also provides the noise jamming ameliorative way of contactor control device a kind of, contactor control device include multi-strip scanning line and
A plurality of sense wire, scan line form touch area with sense wire, comprised the following steps.Scanning is driven during the sensing of scan line
Line.The voltage on sense wire is sampled to produce multiple touch-control sensing values.Judge according to touch-control sensing value at least one on touch area
The position of touch of touch point and judge sense wire corresponding to touch point whether by noise jamming.It will be felt by noise jamming
Touch area corresponding to survey line is set to virtual region.Touch-control position according to the touch point of the touch area adjacent with virtual region
Put the virtual position of touch for calculating virtual region.
In one embodiment of this invention, above-mentioned noise jamming ameliorative way also includes, and stops sampling virtual region
The voltage of sense wire.
In one embodiment of this invention, above-mentioned judgement at least corresponding to a touch point sense wire whether by noise jamming
The step of include, the change in displacement value at least one according to the size of touch point, touch-control duration and position of touch
Judge sense wire corresponding to touch point whether by noise jamming.
In one embodiment of this invention, above-mentioned contactor control device is touch control display, grid in the panel of touch control display
Driver is configured at by touch area and parallel with sense wire, is comprised the following steps.Judge vicinal face according to touch-control sensing value
The sense wire of plate inner grid driver whether by panel inner grid driver noise jamming.It will be driven by panel inner grid
Touch area corresponding to the sense wire of the noise jamming of device is set to virtual region.
In one embodiment of this invention, above-mentioned contactor control device is capacitive touch device.
Based on above-mentioned, the embodiment of the present invention judges to touch according to the touch-control sensing value obtained by the voltage on sampling sense wire
Whether sense wire corresponding to touch point is by noise jamming on control region, by the touch-control corresponding to the sense wire by noise jamming
Region is set to virtual region, and calculates the virtual tactile of virtual region according to the position of touch of the touch area adjacent with virtual region
Position is controlled, the touch-control sensing value that can so avoid the sense wire by noise jamming from being provided causes judging by accident for position of touch
It is disconnected, and the use quality of contactor control device is effectively improved in the case of human cost is not increased.
For features described above of the invention and advantage can be become apparent, special embodiment below, and it is detailed to coordinate accompanying drawing to make
Carefully it is described as follows.
Brief description of the drawings
Fig. 1 is the schematic diagram of the contactor control device according to one embodiment of the invention；
Fig. 2 is the schematic diagram of the contactor control device according to another embodiment of the present invention；
Fig. 3 is the noise jamming ameliorative way schematic flow sheet of the contactor control device according to one embodiment of the invention.
Reference：
102：Contact panel；
104：Drive circuit；
106：Sensing circuit；
108：Control circuit；
A1：Virtual region；
TX：Scan line；
RX：Sense wire；
P1、P2：Touch point；
P3：Virtual touch point；
202：Touch-control display panel；
204：Panel inner grid driver；
S302-S312：The noise jamming ameliorative way step of contactor control device.
Embodiment
It refer to Fig. 1.Contactor control device includes contact panel 102, drive circuit 104, sensing circuit 106 and control circuit
108, contact panel 102 may be, for example, capacitance type touch-control panel, and it has multi-strip scanning line TX and a plurality of sense wire RX, scanning
Line TX and sense wire RX forms touch area to receive touch control operation.Furthermore scan line TX can be shown in such as Fig. 1 along vertical
Axle is arranged in parallel, and sense wire RX then prolongs that transverse axis is arranged in parallel, and scan line TX and sense wire RX infall can form touch-control sense
Measuring point.Scan line TX and sense wire RX is respectively coupled to drive circuit 104 and sensing circuit 106, and drive circuit 104 can be in scan line
Driving driving scan line TX (such as driving scan line TX, but be not limited in order) during TX sensing, and sensing circuit
106 sample the voltage on sense wire RX to produce multiple touch-control sensing values.In addition, control circuit 108 couples drive circuit 104
With sensing circuit 106, the touch-control of the touch point on touch area is judged according to touch-control sensing value caused by sensing circuit 106
Whether sense wire RX corresponding to position and touch point is by noise jamming, if sense wire RX is done by noise corresponding to touch point
Disturb, then the touch area corresponding to the sense wire RX by noise jamming is set to virtual region, and foundation and virtual region phase
The position of touch of adjacent touch area touch point calculates the virtual position of touch of virtual region.
Wherein, control circuit 108 judges whether sense wire RX corresponding to touch point can be such as by the mode of noise jamming
Judge touch-control for change in displacement value at least one according to the size of touch point, touch-control duration and position of touch
Whether sense wire RX corresponding to point is by noise jamming, because general touch control operation can all have suitable contact area, contact
Time and continuous change in displacement, thus control circuit 108 can for example by touch point area whether be more than preset area,
Whether the touch-control time is longer than preset time, and whether the change in displacement value of touch point exceeds preset value to judge that touch point is corresponding
Sense wire RX whether by noise jamming, if such as within the regular hour touch point to continue randomly to occur, disappear, and
Touch-control area very little, then can determine that as noise jamming.In addition, control circuit 108 is according to the touch area adjacent with virtual region
Touch point position of touch calculate the mode of virtual position of touch of virtual region can be for example with interpolation arithmetic (such as interpolative operation
Or extrapolation computing) obtain.As an example it is assumed that control circuit 108 judges that touch area has virtual region in Fig. 1
A1, control circuit 108 can according to the touch area adjacent with virtual region A1 touch point P1 and touch point P2 with interpolative operation
To obtain the virtual position of touch on virtual region, i.e., virtual touch point P3 position of touch.It is worth noting that, for ease of saying
Bright, though the virtual region that the present embodiment is illustrated only corresponds to a sense wire RX, virtual region may include in practical application
The position of touch of virtual touch point on a plurality of sense wire RX, this little sense wire RX can also similar mode obtain, herein not
Repeat again.In addition, in some embodiments, after control circuit 108 judges that sense wire RX is interfered, control circuit 108
Controllable sensing circuit 106 stops the sense wire RX of sampling virtual region voltage.
So judge touch area according to the touch-control sensing value obtained by the sampling sense wire of sensing circuit 106 RX voltage
Whether sense wire RX corresponding to upper touch point is by noise jamming, by the Touch Zone corresponding to the sense wire RX by noise jamming
Domain is set to virtual region, and calculates virtually touching on virtual region according to the position of touch of the touch area adjacent with virtual region
Position is controlled, the touch-control sensing value that the sense wire RX by noise jamming can be avoided to be provided causes the erroneous judgement of position of touch, and
The use quality of contactor control device is effectively improved in the case of human cost is not increased.
Fig. 2 is the schematic diagram of the contactor control device according to another embodiment of the present invention, refer to Fig. 2.In the present embodiment, touch
Control device is touch control display, is with the difference of Fig. 1 embodiments, and the contact panel 102 of Fig. 1 embodiments is in the present embodiment
In be replaced by touch-control display panel 202, touch-control display panel 202 includes panel inner grid (Gate-In-Panel, GIP) and driven
Dynamic device 204, is respectively arranged at scan line TX and the sense wire RX touch areas formed both sides and, face parallel with sense wire RX
Plate inner grid driver 204 can drive touch-control display panel 202 to receive display data to show image frame.Similarly, control
Circuit 108 can judge the sense wire of neighbouring panel inner grid driver 204 according to touch-control sensing value caused by sensing circuit 106
RX whether by panel inner grid driver 204 noise jamming, and by by the noise jamming of panel inner grid driver 204
Sense wire RX corresponding to touch area be set to virtual region, then again according to the touch area touch-control adjacent with virtual region
The position of touch of point calculates the virtual position of touch of virtual region.Virtual area is automatically set thus by control circuit 108
Domain, and the position of virtual touch point is calculated, except the touch-control sensing value that the sense wire RX by noise jamming can be avoided to be provided
The erroneous judgement of position of touch is caused, and is effectively improved outside the use quality of contactor control device, can also avoid next pair in a manual manner
The setting (setting of such as virtual region) of contact panel is adjusted, and significantly lowers human cost and time cost.It is worth
It is noted that in some embodiments, panel inner grid driver 204 also can only configure the side of touch area and with sensing
Line RX is parallel, without being limited with Fig. 2 embodiments.
Fig. 3 is the noise jamming ameliorative way schematic flow sheet of the contactor control device according to one embodiment of the invention, please be joined
According to Fig. 3.Wherein contactor control device may be, for example, capacitive touch device, but be not limited, and contactor control device includes multi-strip scanning line
TX and a plurality of sense wire RX, wherein scan line TX form touch area with sense wire RX.From above-described embodiment, touch-control dress
The noise jamming ameliorative way put can comprise at least the following steps.First, scan line TX (steps are driven during the sensing of scan line
Rapid S302).Then, the voltage on sense wire is sampled to produce multiple touch-control sensing values (step S304).Then, according to touch-control sense
Measured value judges whether sense wire corresponding to the position of touch and touch point of an at least touch point is done by noise on touch area
Disturb (step S306).Wherein judge whether sense wire corresponding to touch point be may be, for example, according to touch-control by the mode of noise jamming
The change in displacement value at least one of size, touch-control duration and the position of touch put is felt to judge that touch point is corresponding
Survey line whether by noise jamming, such as judge touch point area whether be more than preset area, that whether the touch-control time is longer than is pre-
If whether time, and the change in displacement value of touch point exceed preset value to judge whether sense wire corresponding to touch point is made an uproar
Acoustic jamming.If the touch area corresponding to the sense wire by noise jamming is set to virtual area by sense wire by noise jamming
Domain (step S308).As an example it is assumed that contactor control device is touch control display, the panel inner grid driver of touch control display is matched somebody with somebody
It is placed in by touch area and parallel with sense wire, the sense wire of neighbouring panel inner grid driver can be judged according to touch-control sensing value
Whether by panel inner grid driver noise jamming, if by the noise jamming of panel inner grid driver, can will be by
Touch area corresponding to the sense wire of the noise jamming of panel inner grid driver is set to virtual region.Then, foundation and void
The position of touch for intending the touch point of the adjacent touch area in region calculates the virtual position of touch (step S310) of virtual region.
In section Example, step S306 may also include the voltage for the sense wire for stopping sampling virtual region.So can effectively it keep away
Touch-control sensing value from being provided to the sense wire of noise jamming (such as noise jamming of panel inner grid driver 204) is made
Into the erroneous judgement of position of touch, and it is effectively improved the use quality of contactor control device.In addition, if sense wire is not done by noise
Disturb, then the position of touch (step S312) of exportable touch point.
In summary, embodiments of the invention judge according to the touch-control sensing value obtained by the voltage on sampling sense wire
Whether sense wire corresponding to touch point is by noise jamming on touch area, by corresponding to the sense wire RX by noise jamming
Touch area is set to virtual region, and the void of the position of touch calculating virtual region according to the touch area adjacent with virtual region
Intend position of touch, the touch-control sensing value that can so avoid the sense wire by noise jamming from being provided causes the mistake of position of touch
Judge, and be effectively improved the use quality of contactor control device, can additionally avoid carrying out the setting to contact panel in a manual manner
(setting of such as virtual region) is adjusted, and significantly lowers human cost and time cost.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
- A kind of 1. contactor control device, it is characterised in that including：Contact panel, has multi-strip scanning line and a plurality of sense wire, and the multi-strip scanning line is formed with a plurality of sense wire One touch area；Drive circuit, the multi-strip scanning line is coupled, the multi-strip scanning line is driven during the sensing of the multi-strip scanning line；Sensing circuit, a plurality of sense wire is coupled, sample the voltage on a plurality of sense wire to produce multiple touch-control sensings Value；Control circuit, the drive circuit and the sensing circuit are coupled, judge described touch according to the multiple touch-control sensing value Control region at least the position of touch of a touch point and judge described in whether sense wire is made an uproar at least corresponding to a touch point Acoustic jamming, the touch area corresponding to the sense wire by noise jamming is set to virtual region, and foundation and the virtual area The position of touch of the touch point of the adjacent touch area in domain calculates the virtual position of touch of the virtual region.
- 2. contactor control device according to claim 1, it is characterised in that the control circuit also controls the sensing circuit to stop Only sample the voltage of the sense wire of the virtual region.
- 3. contactor control device according to claim 1, it is characterised in that the control circuit at least touch point according to described in Size, the change in displacement value at least one of touch-control duration and position of touch judge described in an at least touch point pair Whether the sense wire answered is by noise jamming.
- 4. contactor control device according to claim 1, it is characterised in that the contactor control device is touch control display, described to touch Control panel is touch-control display panel, and the touch-control display panel also includes:Panel inner grid driver, it is configured at the touch area side and, the panel in grid parallel with a plurality of sense wire Driver drives the touch-control display panel to receive display data to show image frame, and the control circuit is also according to described in Multiple touch-control sensing values judge whether the sense wire of the neighbouring panel inner grid driver is driven by the panel inner grid The noise jamming of device, and will be set by the touch area corresponding to the sense wire of the noise jamming of the panel inner grid driver For the virtual region.
- 5. contactor control device according to claim 1, it is characterised in that the contact panel is capacitance type touch-control panel.
- 6. a kind of noise jamming ameliorative way of contactor control device, the contactor control device includes multi-strip scanning line and a plurality of sensing Line, the multi-strip scanning line form a touch area with a plurality of sense wire, it is characterised in that including：The multi-strip scanning line is driven during the sensing of the multi-strip scanning line；The voltage on a plurality of sense wire is sampled to produce multiple touch-control sensing values；Judge on the touch area at least position of touch of a touch point according to the multiple touch-control sensing value and judge institute Sense wire is stated at least corresponding to a touch point whether by noise jamming；Touch area corresponding to sense wire by noise jamming is set to virtual region；Position of touch according to the touch point of the touch area adjacent with the virtual region calculates the virtual of the virtual region Position of touch.
- 7. the noise jamming ameliorative way of contactor control device according to claim 6, it is characterised in that also include：Stop sampling the voltage of the sense wire of the virtual region.
- 8. the noise jamming ameliorative way of contactor control device according to claim 6, it is characterised in that at least one described in judging Whether sense wire corresponding to touch point is included by the step of noise jamming：According to described at least the size of a touch point, touch-control duration and position of touch change in displacement value at least its One judge described at least corresponding to a touch point sense wire whether by noise jamming.
- 9. the noise jamming ameliorative way of contactor control device according to claim 6, it is characterised in that the contactor control device is Touch control display, the panel inner grid driver of the touch control display be configured at by the touch area and with a plurality of sense Survey line is parallel, it is characterised in that including：Judge the sense wire of the neighbouring panel inner grid driver whether by the face according to the multiple touch-control sensing value The noise jamming of plate inner grid driver；It will be set to described virtual by the touch area corresponding to the sense wire of the noise jamming of the panel inner grid driver Region.
- 10. the noise jamming ameliorative way of contactor control device according to claim 6, it is characterised in that the contactor control device For capacitive touch device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610592132.7A CN107656657A (en) | 2016-07-26 | 2016-07-26 | Contactor control device and its noise jamming ameliorative way |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610592132.7A CN107656657A (en) | 2016-07-26 | 2016-07-26 | Contactor control device and its noise jamming ameliorative way |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107656657A true CN107656657A (en) | 2018-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610592132.7A Pending CN107656657A (en) | 2016-07-26 | 2016-07-26 | Contactor control device and its noise jamming ameliorative way |
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| Country | Link |
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|---|---|---|---|---|
| CN103197787A (en) * | 2012-01-09 | 2013-07-10 | 义隆电子股份有限公司 | Noise elimination method of touch panel |
| CN103902079A (en) * | 2012-12-26 | 2014-07-02 | 联想(北京)有限公司 | Information processing method and electronic device |
| US20140247241A1 (en) * | 2013-03-04 | 2014-09-04 | Dongbu Hitek Co., Ltd. | Signal processing circuit of touch screen |
| CN104199573A (en) * | 2014-08-26 | 2014-12-10 | 京东方科技集团股份有限公司 | Touch driving method, touch driving device and touch display screen |
| CN104699345A (en) * | 2015-03-31 | 2015-06-10 | 昆山龙腾光电有限公司 | Capacitive touch display device |
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2016
- 2016-07-26 CN CN201610592132.7A patent/CN107656657A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103197787A (en) * | 2012-01-09 | 2013-07-10 | 义隆电子股份有限公司 | Noise elimination method of touch panel |
| CN103902079A (en) * | 2012-12-26 | 2014-07-02 | 联想(北京)有限公司 | Information processing method and electronic device |
| US20140247241A1 (en) * | 2013-03-04 | 2014-09-04 | Dongbu Hitek Co., Ltd. | Signal processing circuit of touch screen |
| CN104199573A (en) * | 2014-08-26 | 2014-12-10 | 京东方科技集团股份有限公司 | Touch driving method, touch driving device and touch display screen |
| CN104699345A (en) * | 2015-03-31 | 2015-06-10 | 昆山龙腾光电有限公司 | Capacitive touch display device |
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