CN105302388A - Touch device and control method thereof - Google Patents
Touch device and control method thereof Download PDFInfo
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- CN105302388A CN105302388A CN201410455109.4A CN201410455109A CN105302388A CN 105302388 A CN105302388 A CN 105302388A CN 201410455109 A CN201410455109 A CN 201410455109A CN 105302388 A CN105302388 A CN 105302388A
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000006698 induction Effects 0.000 claims abstract description 152
- 238000012545 processing Methods 0.000 claims abstract description 69
- 230000005674 electromagnetic induction Effects 0.000 claims description 23
- 230000005611 electricity Effects 0.000 claims 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 10
- 241000150100 Margo Species 0.000 description 8
- 238000009413 insulation Methods 0.000 description 4
- CNQCVBJFEGMYDW-UHFFFAOYSA-N lawrencium atom Chemical compound [Lr] CNQCVBJFEGMYDW-UHFFFAOYSA-N 0.000 description 4
- 230000008054 signal transmission Effects 0.000 description 4
- 230000000875 corresponding effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- ORQBXQOJMQIAOY-UHFFFAOYSA-N nobelium Chemical compound [No] ORQBXQOJMQIAOY-UHFFFAOYSA-N 0.000 description 2
- NHDHVHZZCFYRSB-UHFFFAOYSA-N pyriproxyfen Chemical compound C=1C=CC=NC=1OC(C)COC(C=C1)=CC=C1OC1=CC=CC=C1 NHDHVHZZCFYRSB-UHFFFAOYSA-N 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The invention discloses a touch device and a control method thereof. The induction panel is provided with a first lateral edge, a second lateral edge, a third lateral edge and a fourth lateral edge, wherein the first lateral edge is opposite to the second lateral edge, the third lateral edge is opposite to the fourth lateral edge, the induction panel comprises a first induction line which is parallel to the first axial direction and is provided with a first end positioned at the first lateral edge and a second end positioned at the second lateral edge. The processing module is used for calculating a touch point according to the first sensing signal. The first lead wire surrounds the induction panel and is connected with the first end at the first side edge, the first lead wire is provided with a third end and a fourth end, and the third end and the fourth end are coupled to the processing module and used for electrically connecting the first induction wire to the processing module. Wherein the first sensing signal is transmitted to the processing module by the first wire. The invention also discloses a method for controlling the touch device.
Description
Technical field
The present invention relates to a kind of contactor control device and its control method, particularly a kind of contactor control device and its control method with electric capacity and electromagnetic induction bimodulus.
Background technology
Existing electric capacity and electromagnetic induction Dual module are for separate independently two modules, it takies volume and spends many assembly costs, simultaneously general electromagnetic induction module is often because the configuration relation of its line of induction and signal transmssion line, more weak in the magnetic field of the middle section of touch area, the induction for time writer is very not sensitive.Therefore how capacitive sensing module and electromagnetic induction module are merged into a shared module, and how to configure the line of induction and signal transmssion line, the middle section of touch area also can be had time writer preferably respond to, also can not increase contactor control device frame trace width, real is problem demanding prompt solution simultaneously.
Summary of the invention
Because above problem, the object of the invention is to propose a kind of contactor control device and its control method, by the line of induction in the middle section of touch area, be connected to processing module by left side and right side coiling simultaneously, thus improve intensity and the degree of accuracy of electromagnetic induction.And its control method is preferential touching signals with induction touching signals, induction pointer is avoided constantly to send signal and be not received.By this, unnecessary energy loss can be reduced.
According to a kind of contactor control device of one embodiment of the invention, comprise induction panel, processing module and the first wire.Induction panel has the first lateral margin, the second lateral margin, the 3rd lateral margin and the 4th lateral margin, wherein the first lateral margin is relative with the second lateral margin, 3rd lateral margin is relative with the 4th lateral margin, induction panel comprises one first line of induction, be parallel to first axially, first line of induction has the first end being positioned at the first lateral margin and the second end being positioned at the second lateral margin.Processing module is in order to calculate touch point according to the first induced signal.First wire is at least around the first lateral margin, the 3rd lateral margin and the 4th lateral margin, and be connected in the first lateral margin with first end, first wire has the 3rd end and the 4th end, and the 3rd end and the 4th end are coupled to processing module, in order to first line of induction is electrically connected to processing module.Wherein the first induced signal sends processing module to by the first wire.
According to a kind of method controlling contactor control device that the one or more embodiment of the present invention discloses, comprise: by the line of induction serial connection of two in many lines of induction, switching to electromagnetic induction pattern, judging whether to sense induction touching signals, when sensing induction touching signals, according to induction touching signals calculating touch-control coordinate and when not sensing induction touching signals, by insulated from each other for those lines of induction to switch to capacitive sensing pattern, perform projected capacitive induction program to obtain this touch-control coordinate.
According to the present invention, a kind of contactor control device is proposed, one or more line of induction in the middle section of touch area, be connected to processing module by left side and right side coiling simultaneously, therefore when needs use electromagnetic induction, described coiling can improve intensity and the degree of accuracy of electromagnetic induction, also can not increase contactor control device frame trace width simultaneously.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Accompanying drawing explanation
Fig. 1 is touch control device structure schematic diagram according to an embodiment of the invention;
Fig. 2 is according to the on-off circuit schematic diagram of one embodiment of the invention;
The view that Fig. 3 A is connected according to two lines of induction in one embodiment of the invention;
The view that Fig. 3 B is connected according to two lines of induction in one embodiment of the invention;
Fig. 4 A operates on the circuit framework schematic diagram in electromagnetic induction pattern according to the contactor control device in one embodiment of the invention;
Fig. 4 B operates on the circuit framework schematic diagram in capacitive sensing pattern according to the contactor control device in one embodiment of the invention;
Fig. 5 is according to the method flow diagram of the control contactor control device of one embodiment of the invention.
Wherein, Reference numeral
1 contactor control device
10 processing modules
12 induction panels
121 ~ 129 lines of induction
131 ~ 140 wires
101 ~ 103 switch elements
A ~ E region
VIN signal end
GND earth terminal
One end of the PS line of induction
PC link
Tx signal transmission end
Rx signal receiving end
Embodiment
Below detailed features of the present invention and advantage is described in embodiments in detail, its content is enough to make any relevant art of haveing the knack of understand technology contents of the present invention and implement according to this, and content, right and the accompanying drawing disclosed by this instructions, any relevant art of haveing the knack of can understand the object and advantage that the present invention is correlated with easily.Following embodiment further describes viewpoint of the present invention, but non-to limit category of the present invention anyways.
Please refer to Fig. 1, it is according to the touch control device structure schematic diagram of one embodiment of the invention.As shown in Figure 1, contactor control device 1 can comprise processing module 10 and induction panel 12.Wherein induction panel 12 can comprise the many articles of lines of induction such as first line of induction 121, the 3rd line of induction 123, the 4th line of induction 125 that are parallel to vertical axis (first axially).Induction panel 12 more can comprise many lines of induction (illustrating with second line of induction 127 below) being parallel to horizontal axis (second axially).
Induction panel 12 has upper lateral margin (the first lateral margin), lower lip (the second lateral margin), left border (the 3rd lateral margin) and margo dexter (the 4th lateral margin), and can be divided into middle section, near the left field of left border and the right side area of close margo dexter.One in middle section is parallel to the vertical first axial line of induction 121 and has upside and lower side.And upside is connected to the first wire 131.First wire 131 around induction panel 12 (at least around the upper lateral margin of induction panel, left border and margo dexter), and is coupled to processing module 10.Induction panel 12 also has second line of induction 127 being parallel to horizontal axis simultaneously, second line of induction 127 is electrically connected to processing module 10 by the second wire 137 being positioned at left border, and second line of induction 127 is also electrically connected to processing module 10 by the privates 138 being positioned at margo dexter.
Except first line of induction 121 of the middle section of aforementioned induction panel 12, in other regions, be parallel to the vertical axial line of induction can have the connected mode being different from first line of induction 121.Hereby illustrate with the 3rd line of induction 123, the upper end of the 3rd line of induction 123 is connected to processing module 10 via privates 133, and its lower end is connected to processing module 10 via the 5th wire 134.Wherein privates 133 are by the upper lateral margin of induction panel 12, walk around the margo dexter of induction panel 12 and are finally electrically connected to processing module 10.
And illustrate with the 4th line of induction 125, the upper end of the 4th line of induction 125 is connected to processing module 10 via the 6th wire 135, and its lower end is connected to processing module 10 via the 7th wire 136.Wherein the 6th wire 135 is by the upper lateral margin of induction panel 12, walks around the margo dexter of induction panel 12 and is finally electrically connected to processing module 10.
In one embodiment of the invention, disclose the switch configuration in the processing module in a kind of contactor control device.Please refer to Fig. 2, it is according to the on-off circuit schematic diagram of one embodiment of the invention.Switch as shown in Figure 2 can be arranged in processing module, also can be arranged on induction panel by thin film transistor (TFT) technique and be controlled by processing module.In Fig. 1, each line of induction can be connected directly to processing module 10 or be connected to processing module 10 by wire.And the switch shown in Fig. 2 can be coupled at the end points being connected to processing module 10.Switch shown in Fig. 2 can comprise switch element 101, switch element 102 and switch element 103.One end of three switch elements is all electrically connected to one end PS of the described line of induction.The other end of switch element 101 is electrically connected to a signal end VIN, and the other end of switch element 102 is electrically connected to earth terminal GND, and the other end of switch element 103 is electrically connected to a tie point PC.More particularly, the switch element 103 in tie point PC and each switch is electrically connected, and is therefore allly connected in the switch element of tie point PC, as long as there are two to be switched on, then two corresponding lines of induction will be electrically connected together.Meanwhile, switch element 101 to the switch element 103 in each switch only has at most one simultaneously and is switched on.Set up circuit paths in the above described manner.
On the implementation, the effect that disclosed switch is reached please refer to Fig. 3 A, its view be connected according to two lines of induction in one embodiment of the invention.As shown in Figure 3A, by the switch that Fig. 2 discloses, whether can form a loop by the wire 132 of the 4th line of induction 125, the line of induction 129 and correspondence, the 6th wire 135, the 7th wire 136, wire 139 and processing module 10, being used for induction region A receives electromagnetic induction touching signals.The wire do not used that now other are connected to processing module 10 by processing module 10 does open circuit or ground connection.Same, please refer to Fig. 3 B, it is the view be connected according to two lines of induction in one embodiment of the invention.As shown in Figure 3 B, also whether can form a loop by the first wire 131 of first line of induction 121, the 3rd line of induction 123 and correspondence, privates 133, the 5th wire 134, wire 140 and processing module 10, being used for induction region B receives electromagnetic induction touching signals.The wire do not used that now other are also connected to processing module 10 by processing module 10 does open circuit or ground connection.For example, when the electromagnetic induction touching signals received by the comparatively strong and region A of the electromagnetic induction touching signals received by processing module 10 judging area B is more weak, then processing module 10 can judge that the position of electromagnetic induction touching signals should between first line of induction 121 and the line of induction 129.
Therefore, according to this case one embodiment, when contactor control device will operate in electromagnetic induction pattern, please refer to Fig. 4 A, it operates on the circuit framework schematic diagram in electromagnetic induction pattern according to the contactor control device in one embodiment of the invention.Wherein in this figure, X (beating fork place) represent wire by suspension joint open circuit or ground connection.As shown in Fig. 3 A, Fig. 3 B and Fig. 4 A, the wire of part is electrically connected by processing module 10, makes induction panel 12 to have at least two lines of induction concatenated with one another, thus defines region A, region B, region C, region D and region E five induction zones.When active electromagnetic pen sends electromagnetic wave, induction current/induction electromotive force (induced signal) that processing module 10 can transmit according to the signal end VIN in many wires and earth terminal and judge active electromagnetic pen position correspond to which region above-mentioned.
In an embodiment, the way of electromagnetic induction being parallel to the line of induction of horizontal axis is identical with the way of electromagnetic induction being parallel to the vertical axial line of induction.For the region E in Fig. 4 A, adjacent (in other embodiments with two, non-adjacent also can) and the line of induction being parallel to horizontal axis is one group, processing module 10 is electrically connected to being positioned at the wire of margo dexter by the wire being positioned at left border be connected respectively with above-mentioned two lines of induction, whether to form an induction loop, being used for induction region E receives electromagnetic induction touching signals.When active electromagnetic pen sends electromagnetic wave in the E of region, aforesaid induction loop will sense electromagnetic wave and produce induced signal, induction current/induction electromotive force (induced signal) that processing module 10 can transmit according to the signal end VIN in above-mentioned many wires and earth terminal and judge the position of active electromagnetic pen be correspond to region E.
And when contactor control device will operate in capacitive sensing pattern, please refer to Fig. 4 B, it operates on the circuit framework schematic diagram in capacitive sensing pattern according to the contactor control device in one embodiment of the invention.As shown in Figure 4 B, processing module 10 makes to be connected with processing module 10 in Fig. 4 B and indicates the insulated from each other or open circuit of the many wires at X place.And, processing module 10 can be as shown in Figure 4 B, the one end of many lines of induction (such as second line of induction 127) being parallel to horizontal axis is defined as signal transmission end Tx, the other end is defined as insulation or open circuit, and the one end being parallel to the vertical many articles of axial lines of induction (such as first line of induction 121, the 3rd line of induction 123 and the 4th line of induction 125) being defined as signal receiving end Rx, the other end is defined as insulation or open circuit.And post-processing module 10 can send pulse wave (pulse) from above-mentioned multiple signal transmission end Tx, and from above-mentioned multiple signal receiving end Rx Received signal strength, and according to the signal that receives, can judge which (or which) position of induction panel 12 is touched by user.
In one embodiment of the invention, more disclose a kind of control method of contactor control device.The contactor control device of the contactor control device that this control method controls then such as disclosed by foregoing individual embodiments.As shown in Figure 1, contactor control device 1 can comprise processing module 10 and induction panel 12.Induction panel 12 can comprise many lines of induction being parallel to vertical many axial lines of induction and being parallel to horizontal axis, and these many lines of induction is connected to many wires of processing module 10.The vertical one or more axial line of induction that is parallel in the middle section of wherein induction panel 12 has upside and lower side.And the conductor loop that upside connects is around induction panel 12 (at least around the upper lateral margin of induction panel, left border and margo dexter), be connected to processing module 10 by left side and right side coiling in T-shaped mode simultaneously.Please refer to Fig. 5, it is according to the method flow diagram of the control contactor control device of one embodiment of the invention.As shown in step S501, be one group with two lines of induction and make the mode that is connected in series, at least two lines of induction in many lines of induction are connected in series by processing module 10, and processing module 10 first switches to electromagnetic induction pattern, and control induction panel and scan with the induction principle of induction contact panel.
As shown in step S503, after scanning, processing module 10 judges whether to sense induction touching signals.If sense induction touching signals, then as shown in step S505, judge to try to achieve position of touch (coordinate) according to induction touching signals, then get back to step S501.If judge not sense induction touching signals in step S503, then as shown in step S507, the one end of many lines of induction being parallel to horizontal axis is defined as signal transmission end Tx, the other end is defined as insulation or open circuit, and the one end being parallel to vertical many axial lines of induction is defined as signal receiving end Rx, the other end is defined as insulation or open circuit, processing module 10 switches to capacitive sensing pattern accordingly, and controls induction panel and scan with the induction principle of projected capacitive touch panel.
As shown in step S509, after scanning, processing module 10 can judge whether to sense projected capacitive touch signal.If sense projected capacitive touch signal, then as shown in step S511, calculate according to projected capacitive touch signal and try to achieve position of touch (coordinate), then get back to step S501.If judge not sense projected capacitive touch signal in step S509, then get back to step S501.Wherein, step S507 to step S511 can be considered as a projected capacitive induction program.
More particularly, processing module, in each induction period, can first be confirmed whether induction touching signals.Only when there is not induction touching signals, processing module just can control the induction that induction panel carries out projected capacitive touch signal.By this, can avoid induction pointer continue to carry out touch-control but not sense by contactor control device, thus the waste of energy caused.
By disclosed contactor control device, electromagnetic induction module and capacitive sensing module can be made to form with single modular structure, and with multiple (comprising T-shaped) winding mode respectively by wire solderless wrapped connection to processing module, therefore can be formed in the coil of the multiple diverse location on contactor control device surface.And corresponding loop can be found around this position in each position on contactor control device surface.By this, when contactor control device will be operated in electromagnetic induction pattern, splendid induction degree of accuracy can be had for each position, surface, can also take into account when contactor control device will be operated in capacitive sensing pattern simultaneously, required line of induction configuration, also can reduce contactor control device frame trace width in addition.
Certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection domain that all should belong to the claim appended by the present invention.
Claims (9)
1. a contactor control device, is characterized in that, comprises:
One induction panel, have one first lateral margin, one second lateral margin, one the 3rd lateral margin and one the 4th lateral margin, wherein this first lateral margin is relative with this second lateral margin, and the 3rd lateral margin is relative with the 4th lateral margin, and this induction panel comprises:
One first line of induction, is parallel to one first axially, and this first line of induction has the first end being positioned at this first lateral margin and one second end being positioned at this second lateral margin;
One processing module, in order to judge a position of touch according to one first induced signal; And
One first wire, at least around this first lateral margin, the 3rd lateral margin and the 4th lateral margin, be connected in this first lateral margin with this first end, this first wire has one the 3rd end and one the 4th end, and the 3rd end and the 4th end are coupled to this processing module, in order to this first line of induction is electrically connected to this processing module;
Wherein this first induced signal sends this processing module to by this first wire.
2. contactor control device according to claim 1, it is characterized in that, this induction panel more comprises one second line of induction, be parallel to one second axially, this second line of induction is respectively by being positioned at one second wire of the 3rd lateral margin and being positioned at a privates of the 4th lateral margin, be electrically connected to this processing module to transmit one second induced signal to this processing module, and this processing module more judges this position of touch according to this second induced signal.
3. contactor control device according to claim 2, is characterized in that, more comprises:
One first switch, is controlled by this processing module, optionally to set up a circuit paths between the 3rd end and this processing module;
Wherein when this first induced signal responds to an electromagnetic signal by this first wire produced, and this second induced signal be by this second wire, this privates in this second line of induction respond to this electromagnetic signal produced time, this processing module controls this first switch and sets up this circuit paths.
4. contactor control device according to claim 3, it is characterized in that, when this processing module controls this this circuit paths of the first switch interrupts, this processing module calculates the induced electricity capacitance between this first line of induction and this second line of induction according to this first induced signal and this second induced signal, and judges this position of touch according to this induced electricity capacitance.
5. contactor control device according to claim 1, it is characterized in that, this induction panel is defined out a middle section, the first area adjacent to the 3rd lateral margin and the second area adjacent to the 4th lateral margin, and this first line of induction is positioned at this middle section.
6. contactor control device according to claim 5, it is characterized in that, this induction panel more comprises one second line of induction, be positioned at this first area, and this second line of induction has the five terminal being positioned at this first lateral margin and one the 6th end being positioned at this second lateral margin, 6th end is directly electrically connected to this processing module, and this five terminal is electrically connected to this processing module by one second wire.
7. contactor control device according to claim 1, is characterized in that, this processing module is arranged at this second lateral margin.
8. control a method for contactor control device as claimed in claim 1, comprising:
By the line of induction serial connection of two in many lines of induction, to switch to electromagnetic induction pattern;
Judge whether to sense an induction touching signals;
When sensing this induction touching signals, judge a position of touch according to this induction touching signals; And
When not sensing this induction touching signals, switch to capacitive sensing pattern, the projected capacitive induction program that performs is to judge this position of touch.
9. method according to claim 8, is characterized in that, this projected capacitive induction program comprises:
Judge whether to sense a projected capacitive touch signal;
When sensing this projected capacitive touch signal, judge this position of touch according to this projected capacitive touch signal; And
When not sensing this projected capacitive touch signal, re-execute the step judging whether to sense this induction touching signals.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW103126092A TW201604730A (en) | 2014-07-30 | 2014-07-30 | Touch sensing device and controlling method thereof |
| TW103126092 | 2014-07-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105302388A true CN105302388A (en) | 2016-02-03 |
| CN105302388B CN105302388B (en) | 2018-05-18 |
Family
ID=55199722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410455109.4A Expired - Fee Related CN105302388B (en) | 2014-07-30 | 2014-09-09 | Touch device and control method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105302388B (en) |
| TW (1) | TW201604730A (en) |
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| CN109343730A (en) * | 2018-12-14 | 2019-02-15 | 武汉华星光电半导体显示技术有限公司 | Touch device and touch-control driving method |
| CN113358012A (en) * | 2020-03-06 | 2021-09-07 | 深圳普赢创新科技股份有限公司 | Electromagnetic induction type coordinate positioning device |
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| CN109343730A (en) * | 2018-12-14 | 2019-02-15 | 武汉华星光电半导体显示技术有限公司 | Touch device and touch-control driving method |
| CN113358012A (en) * | 2020-03-06 | 2021-09-07 | 深圳普赢创新科技股份有限公司 | Electromagnetic induction type coordinate positioning device |
| CN113358012B (en) * | 2020-03-06 | 2022-12-02 | 深圳普赢创新科技股份有限公司 | Electromagnetic induction type coordinate positioning device |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201604730A (en) | 2016-02-01 |
| CN105302388B (en) | 2018-05-18 |
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