CN101398738B - Resistance type touching control panel - Google Patents
Resistance type touching control panel Download PDFInfo
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- CN101398738B CN101398738B CN200810175473XA CN200810175473A CN101398738B CN 101398738 B CN101398738 B CN 101398738B CN 200810175473X A CN200810175473X A CN 200810175473XA CN 200810175473 A CN200810175473 A CN 200810175473A CN 101398738 B CN101398738 B CN 101398738B
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Abstract
The invention discloses a resistance touch panel comprising a first electrode group of a first direction which comprises a plurality of electrodes and the lengths of the electrodes are one unit or two units alternately in sequence; and the touch panel also comprises a second electrode group of the first direction which comprises a plurality of electrodes and the lengths of a plurality of electrodes are two units or one unit alternately in sequence; wherein, the two ends of a plurality of strip layers of the first group of the first direction are respectively connected with the first electrode group of the first direction and the second electrode group of the first direction. The invention aims at proposing the resistance touch panel. When the surface of the resistance touch panel is touched, a plurality of contact points can be generated simultaneously and can be successfully detected out without causing mistaken judging.
Description
Technical field
The present invention relates to a kind of electric resistance touch-control panel, and be particularly related to a kind of electric resistance touch-control panel and contact detection method thereof that can detect a plurality of contact points simultaneously.
Background technology
Along with the fast development of computer technology, contact panel also applies to mobile phone screen, computer screen, PDA(Personal Digital Assistant) screen widely.Basically, contact panel can be used as computer input device and is used for replacing mouse.Then general in the contact panel at present with the utilization of electric resistance touch-control panel.
Please refer to Figure 1A, it is shown to be the side view of known resistance formula contact panel when not pushing.On the surface of clear glass (glass) substrate 100, form a plurality of strip indium tin oxidation (Indium Tin Oxide is called for short ITO) layer 102; Moreover, on the surface of a transparent membrane (film) 110, form a plurality of strip ITO layers 112; Wherein, the strip ITO layer on the transparent glass substrate 100 102 is orthogonal with the strip ITO layer 112 on the transparent membrane 110.Moreover strip ITO layer 102 on a plurality of transparent isolating points (spacer dot) 120 isolation transparent glass substrates and the strip ITO layer 112 on the transparent membrane 110 make it can not contact with each other.
Please refer to Figure 1B, it is shown to be the side view of known resistance formula contact panel when pushing.When pointer or point 130 when depressing transparent membrane 110, strip ITO layer 102 on the glass substrate can be in contact with one another and produce contact point with the strip ITO layer 112 on the transparent membrane 110, therefore, the control circuit (not shown) can be learnt pointer fast or point 130 positions of depressing.
Please refer to Fig. 2, it is shown to be known resistance formula contact panel vertical view.For instance, dispose four electrodes around the contact panel 10, a negative Y electrode (Y-), a positive Y electrode (Y+), a negative X electrode (X-) and a positive X electrode (X+).Moreover the strip ITO layer 102 on the glass substrate presents the arrangement of vertical direction, and the two ends of all strip ITO layers 102 are connected to negative Y electrode (Y-) and positive Y electrode (Y+) respectively; And the strip ITO layer 112 on the transparent membrane 110 presents the arrangement of horizontal direction, and the two ends of all strip ITO layers 112 are connected to a negative X electrode (X-) and a positive X electrode (X+) respectively.Wherein, all strip ITO layers 102,112 can equivalence be resistance all.
Moreover control circuit 150 utilizes Y-line, Y+ line, X-line, X+ line distinctly to be connected to negative Y electrode (Y-), positive Y electrode (Y+), negative X electrode (X-) and positive X electrode (X+).When the user produced contact point on contact panel 10, control circuit 150 can be learnt the position of contact point fast.
Please refer to Fig. 3 A, it is shown for detecting the synoptic diagram that whether produces contact point on the known resistance formula contact panel.For the ease of explaining that Fig. 3 A～Fig. 3 C all separates the transparent membrane 110 of contact panel with clear glass machine plate 100.At first, in order to learn whether the user has contacted contact panel, the control circuit (not shown) can be connected to a voltage source (Vcc) positive X electrode (X+), earth terminal is connected to positive Y electrode (Y+), to bear X electrode (X-) and be connected to control circuit, and, do not connect (open) negative Y electrode (Y-).
Clearly, when the user did not push contact panel, strip ITO layer did not up and down contact.Therefore, control circuit can receive the voltage of Vcc in negative X electrode (X-), and, representative does not have the user to push contact panel as yet yet.
When the user utilized pointer 140 to push contact panel, strip ITO layer up and down was contacted with contact point A.Therefore, control circuit detects negative X electrode (X-) and receives voltage less than Vcc
Also promptly, can determine that the user has pushed contact panel this moment.
Please refer to Fig. 3 B, it is shown to be the synoptic diagram that calculates the contact point horizontal level on the known resistance formula contact panel.In order to learn the horizontal level of contact point, when control circuit detects when having point of contact A, control circuit can carry out change action, one voltage source (Vcc) is connected to positive X electrode (X+), earth terminal is connected to negative X electrode (X-), positive Y electrode (Y+) is connected to control circuit, and, (open) negative Y electrode (Y-) do not connected.
Clearly, the voltage on the positive Y electrode (Y+) is
By Fig. 3 B as can be known, when contact point A the closer to the right side, voltage Vx can be high more; Otherwise, when contact point A the closer to the left side, voltage Vx can be low more.Therefore, control circuit can carry out Vx voltage analog-to-digital conversion (analog to digital conversion) and the horizontal level of acquisition contact point.
In like manner, please refer to Fig. 3 C, it is shown to be the synoptic diagram that calculates the contact point upright position on the known resistance formula contact panel.In order to learn the upright position of contact point A, calculate the horizontal level of contact point A when control circuit after, control circuit can carry out change action once more, one voltage source (Vcc) is connected to positive Y electrode (Y+), earth terminal is connected to negative Y electrode (Y-), positive X electrode (X+) is connected to control circuit, and, (open) negative X electrode (X-) do not connected.
Clearly, the voltage on the positive X electrode (X+) is
By Fig. 3 C as can be known, when contact point A the closer to the upper end, voltage Vy can be high more; Otherwise, when contact point A the closer to the lower end, voltage Vy can be low more.Therefore, control circuit can carry out Vy voltage analog-to-digital conversion (analog to digital conversion) and the upright position of acquisition contact point.
Because known resistance formula contact panel is the contact panel that belongs to analog, therefore, when the user simultaneously when contact panel produces a plurality of contact point, control circuit can't be correct detects a plurality of contact points and causes misoperation.For instance, please refer to Fig. 4, it is shown to be the synoptic diagram that produces a plurality of contact points on the known resistance formula contact panel.When the user simultaneously produces two contact points in the A1 position of contact panel with the A2 position, suppose that the coordinate of A1 position is (x1, y1), the coordinate of A2 position be (x2, y2).Not only control circuit can't be correct detects this two contact point A1, A2, can judge out one the 3rd contact point A3 on the contrary by accident.Wherein the coordinate of A3 position be (x3, y3), and x3=(x1+x2)/2; Y3=(y1+y2)/2.
In order further to understand feature of the present invention and technology contents, see also following about detailed description of the present invention and accompanying drawing, yet appended accompanying drawing only provide with reference to and explanation, be not to be used for the present invention is limited.
Summary of the invention
The objective of the invention is to propose a kind of electric resistance touch-control panel, when producing a plurality of contact point simultaneously on being used in electric resistance touch-control panel, a plurality of contact points can successfully be detected, and can not cause erroneous judgement.
The present invention proposes a kind of electric resistance touch-control panel, comprising: a first direction first electrode group, comprise a plurality of electrodes, and a unit length and two unit lengths of these electrode lengths for replacing in regular turn; One first direction, the second electrode group comprises a plurality of electrodes, and two unit lengths and the unit length of these electrode lengths for replacing in regular turn; One second direction, the first electrode group comprises a plurality of electrodes; One second direction, the second electrode group comprises a plurality of electrodes; One multiplexed commutation circuit is connected to all electrodes; And a control circuit, control this multiplexed commutation circuit and optionally a first direction first connecting line is connected to part or all of electrode in this first direction first electrode group; One first direction, second connecting line is connected to part or all of electrode in this first direction second electrode group; One second direction, first connecting line is connected to part or all of electrode in this second direction first electrode group; One second direction, second connecting line is connected to part or all of electrode in this second direction second electrode group; Wherein, a plurality of first group of strip layer two ends of first direction are connected to first direction first electrode group and the first direction second electrode group; A plurality of second group of strip layer two ends of this second direction are connected to this second direction first electrode group and this second direction second electrode group.
Description of drawings
Figure 1A is shown to be the side view of known resistance formula contact panel when not pushing.
Figure 1B is shown to be the side view of known resistance formula contact panel when pushing.
Fig. 2 is shown to be known resistance formula contact panel vertical view.
Fig. 3 A is shown for detecting the synoptic diagram that whether produces contact point on the known resistance formula contact panel.
Fig. 3 B is shown to be the synoptic diagram that calculates the contact point horizontal level on the known resistance formula contact panel.
Fig. 3 C is shown to be the synoptic diagram that calculates the contact point upright position on the known resistance formula contact panel.
Fig. 4 is shown to be the synoptic diagram that produces a plurality of contact points on the known resistance formula contact panel.
Fig. 5 A is shown to be electric resistance touch-control panel synoptic diagram of the present invention.
The equivalent electrical circuit that Fig. 5 B is shown when detecting the contact point program for the present invention.
The equivalent electrical circuit that Fig. 5 C is shown when verifying the contact point program for the present invention.
The shown zone of Fig. 6 A for being distinguished on the contact panel.
Fig. 6 B is shown for producing the synoptic diagram of two contact points on the contact panel simultaneously.
Fig. 6 C is shown for producing another synoptic diagram of two contact points on the contact panel simultaneously.
The shown method flow diagram that detects contact point for electric resistance touch-control panel of the present invention of Fig. 7.
Fig. 8 is shown to be electrode configuration in four electrode groups on the contact panel.
And the description of reference numerals in the above-mentioned accompanying drawing is as follows:
10 contact panels
100 transparent glass substrate 102ITO layers
110 transparent membrane 112ITO layers
120 transparent isolating points 130 fingers
140 pointer, 150 control circuits
200 contact panels, 230 multiplexed commutation circuits
250 control circuits
Embodiment
Please refer to Fig. 5 A, it is shown to be electric resistance touch-control panel synoptic diagram of the present invention.The present invention is partitioned into four groups of (group) electrodes with known four electrodes (X+, X-, Y+, Y-), and (X1+～X3+, X1～X3-, Y1+～Y4+, Y1-～y4-) form the electrode on the contact panel 200 of the present invention.For instance, three electrodes of positive X group (X+group) are positive X one electrode (X1+), positive X two electrodes (X2+) and positive X three electrodes (X3+); Three electrodes of negative X group (X-group) are negative X one electrode (X1-), negative X two electrodes (X2-) and negative X three electrodes (X3-); Four electrodes of positive Y group (Y+group) are positive Y one electrode (Y1+), positive Y two electrodes (Y2+), positive Y three electrodes (Y3+) and positive Y four electrodes (Y4+); Four electrodes of negative Y group (Y-group) are negative Y one electrode (Y1-), negative Y two electrodes (Y2-), negative Y three electrodes (Y3-) and negative Y four electrodes (Y4-).
For instance, suppose that the strip ITO layer of vertical direction has 80, understand the ITO layer that be connected 20 vertical direction between then positive Y one electrode (Y1+) and negative Y one electrode (Y1-), and the rest may be inferred.In like manner, suppose that the strip ITO layer of horizontal direction has 30, understand the ITO layer that be connected ten horizontal directions between then positive X one electrode (X1+) and negative X one electrode (X1-), and the rest may be inferred.
Moreover multiplexed commutation circuit 230 is connected to all electrodes, and can optionally the X+ line be connected to part or all of electrode in the X+ group according to the control signal of control circuit 250; The X-line is connected to part or all of electrode in the X-group; The Y+ line is connected to part or all of electrode in the Y+ group; The Y-line is connected to part or all of electrode in the Y-group.
Below introduce the action of contact panel of the present invention in detail.(I) please refer to Fig. 5 B, the equivalent electrical circuit that it is shown when detecting the contact point program for the present invention.Produce contact point in order to learn whether the user has on contact panel 200, control circuit 250 control X+ lines are connected to whole electrode in the X+ group; The X-line is connected to whole electrode in the X-group; The Y+ line is connected to whole electrode in the Y+ group; The Y-line is connected to whole electrode in the Y-group.Moreover control circuit 230 can carry out the change action first time, and (Vcc) is connected to the X+ line with a voltage source, and earth terminal is connected to the Y+ line, with the signal of X-line as judging signal, and, do not connect (open) Y-line.At this moment, control circuit 250 can detect whether All Ranges has the generation contact point on the contact panel 200.
For instance, after the user produced contact point in the B1 position, control circuit 250 can carry out the change action second time, (Vcc) is connected to the X+ line with voltage source, and earth terminal is connected to the X-line, the Vx signal of Y+ line is used for judging the horizontal level of contact point B1, and, do not connect (open) Y-line.Therefore, utilize the Vx signal of Y+ line can learn the horizontal level of contact point B1.
Then, control circuit can carry out change action for the third time once more, and (Vcc) is connected to the Y+ line with voltage source, and earth terminal is connected to the Y-line, and the Vy signal of X+ line is used for judging the upright position of contact point B1, and, do not connect (open) X-line.Therefore, the upright position that utilizes the Vy signal of X+ line can learn contact point B1.
By above-mentioned action as can be known, when detecting the contact point program, control circuit 250 can the multiplexed commutation circuit 230 of control be set at whole contact panels 200 zones with surveyed area, therefore, the user all can be calculated horizontal level and upright position in the contact point B1 that any position of contact panel 200 produces.
(II) please refer to Fig. 5 C, the equivalent electrical circuit that it is shown when verifying the contact point program for the present invention.After the horizontal level of contact point B1 and upright position calculated, control circuit 250 was learnt the regional A1 that is arranged in pairs or groups at positive Y one electrode (Y1+), negative Y one electrode (Y1-), positive X three electrodes (X3+), negative X three electrodes (X3-) in contact point B1 position.For whether desirable contact point B1 is positioned at regional A1 really, control circuit 250 control X+ lines are connected to positive X three electrodes (X3+) in the X+ group; The X-line is connected to negative X three electrodes (X3-) in the X-group; The Y+ line is connected to positive Y one electrode (Y1+) in the Y+ group; The Y-line is connected to negative Y one electrode (Y1-) in the Y-group.Moreover control circuit 230 can carry out the change action first time, and (Vcc) is connected to the X+ line with a voltage source, and earth terminal is connected to the Y+ line, with the signal of X-line as judging signal, and, do not connect (open) Y-line.At this moment, control circuit 250 can detect whether All Ranges has the contact point of generation B1 on the contact panel 200.
When control circuit 200 was determined to have point of contact B1 in the regional A1, control circuit 250 can carry out the change action second time, and (Vcc) is connected to the X+ line with voltage source, earth terminal is connected to the X-line, the Vx signal of Y+ line is used for judging the horizontal level of contact point B1, and, (open) Y-line do not connected.Therefore, utilize the Vx signal of Y+ line can learn the horizontal level of contact point B1.
Then, control circuit can carry out change action for the third time once more, and (Vcc) is connected to the Y+ line with voltage source, and earth terminal is connected to the Y-line, and the Vy signal of X+ line is used for judging the upright position of contact point B1, and, do not connect (open) X-line.Therefore, the upright position that utilizes the Vy signal of X+ line can learn contact point B1.
Therefore, the contact point horizontal level, the upright position that are obtained when the contact point horizontal level that control circuit 250 will be obtained in the time of will detecting the contact point program, upright position and checking contact point program compare, and determine that this two contact point is overlapping, and then can learn that the user produces single contact point B1.
By above-mentioned action as can be known, when checking contact point program, can the control multiplexed commutation circuit of control circuit 250 230 is dwindled surveyed area, and is set at contact panel 200 zones that comprise contact point B1 part, and verifies.When two contact point B1 that program produced are overlapping, can learn that the user produces single contact point B1.
Please refer to Fig. 6 A, its shown zone for being distinguished on the contact panel.By Fig. 6 A as can be known, control circuit 250 can be controlled the zone arbitrarily that multiplexed commutation circuit 230 is limited to contact panel 200 A1～A12.Certainly, control circuit 250 also can be controlled multiplexed commutation circuit 230 the X+ line is connected to positive X two electrodes (X2+) in the X+ group, positive X three electrodes (X3+); The X-line is connected to negative X two electrodes (X2-) in the X-group, negative X three electrodes (X3-); The Y+ line is connected to positive Y one electrode (Y1+) in the Y+ group; The Y-line is connected to negative Y one electrode (Y1-) in the Y-group, therefore, can be limited to two zones of A1 and A5.
Please refer to Fig. 6 B, it is shown for producing the synoptic diagram of two contact points on the contact panel simultaneously.When the user produces two contact point B1, B2 simultaneously on contact panel 200, the coordinate of supposing the B1 position for (x1, y1), the coordinate of B2 position be (x2, y2).Therefore, when detecting the contact point program, control circuit 250 can calculate wrong contact point B3, and to go out horizontal level be x3=(x1+x2)/the 2 and upright position is y3=(y1+y2)/2.
Then, when checking contact point program, control circuit 250 can the multiplexed commutation circuit 230 of control be limited to the A6 zone with surveyed area, and detects in the A6 zone whether any contact point is arranged, obviously, control circuit 250 can't detect the contact point overlapping with contact point B3 in the A6 zone.Therefore, control circuit 250 can determine that the user produces a plurality of contact points.
When control circuit 250 determined that the user produces a plurality of contact point, control circuit 250 was that the multiplexed commutation circuit 230 of may command changes surveyed area in regular turn, and hunts out the physical location of a plurality of contact point B1, B2.
Please refer to Fig. 6 C, it is shown for producing another synoptic diagram of two contact points on the contact panel simultaneously.When the user produces two contact point C1, C2 simultaneously on contact panel 200, the coordinate of supposing the C1 position for (x4, y4), the coordinate of C2 position be (x5, y5).Therefore, when detecting the contact point program, control circuit 250 can calculate wrong contact point C3, and horizontal level is x6=(x4+x5)/the 2 and upright position is y6=(y4+y5)/2.
Then, when checking contact point program, control circuit 250 can the multiplexed commutation circuit 230 of control be limited to the A6 zone with surveyed area, and detect in the A6 zone whether any contact point is arranged, obviously, but control circuit 250 can detect contact point C1 in the A6 zone not have overlappingly with contact point C3, and therefore, control circuit 250 can determine that the user produces a plurality of contact points.
When control circuit 250 determined that the user produces a plurality of contact point, control circuit 250 was that the multiplexed commutation circuit 230 of may command changes surveyed area in regular turn, and hunts out the physical location of another contact point C2.
Please refer to Fig. 7, its shown method flow diagram that detects contact point for electric resistance touch-control panel of the present invention.At first, when detecting the contact point program, the detection contact panel is region-wide and calculate a first make contact, as step S10.Afterwards, when checking contact point program, detect contact panel and comprise the subregion of first make contact, and calculate one second contact point, as step S12.When first make contact and second contact point are overlapping,, confirm that the user produces single contact point, as step S16 as step S14; Otherwise, confirm that the user produces a plurality of contact points, as step S18.
From the above, use electric resistance touch-control panel of the present invention can detect the user and whether produce single contact point, and in confirming that the user provides the horizontal level and the upright position of this single contact point when producing single contact point.When the user produced a plurality of contact point, control circuit can utilize the zonule to detect a plurality of contact points that the user produces on contact panel in order, and the horizontal level and the upright position of a plurality of contact points can be provided.
Because electric resistance touch-control panel of the present invention is provided with four electrode groups in four edges, in each electrode group a plurality of electrodes is arranged all.By Fig. 5 A as can be known, multiplexed commutation circuit needs 14 connecting lines (line) to be connected to 14 electrodes, and contact panel can be divided into the individual Minimum Area of 12 (3*4).That is to say, suppose that with four electrode group differentiations be two directions X electrode groups and two Y direction electrode groups, wherein, comprise N electrode in each directions X electrode group, comprise M electrode in each Y direction electrode group.Therefore, multiplexed commutation circuit needs (2N+2M) bar connecting line (line) to be connected to (2N+2M) individual electrode, and contact panel can be divided into (N*M) individual Minimum Area.
Below introduce the configuration mode of electric resistance touch-control panel of the present invention again, reducing the connecting line of multiplexed commutation circuit, and contact panel can be divided into identical Minimum Area in four electrode groups.
Please refer to Fig. 8, it is shown to be electrode configuration in four electrode groups on the contact panel.With two directions X electrode groups is example, and the length of a plurality of electrode X1-～X6-in the X-direction electrode group from top to bottom is a unit length, two unit lengths, a unit length in regular turn ... the rest may be inferred; And the length of a plurality of electrode X1+～X6+ in the X+ direction electrode group from top to bottom is two unit lengths, a unit length, two unit lengths in regular turn ... the rest may be inferred.Therefore two directions X electrode groups can be divided into the horizontal zone on the contact panel 9 zones altogether.
In like manner, be example with two Y direction electrode groups, the length of the plural electrode Y1+～Y11+ in the Y+ direction electrode group by left-to-right be a unit length, two unit lengths, a unit length in regular turn ... the rest may be inferred; And the length of a plurality of electrode Y1-～Y11-in the Y-direction electrode group by left-to-right be two unit lengths, a unit length, two unit lengths in regular turn ... the rest may be inferred.Therefore, two Y direction electrode groups can be divided into the horizontal zone on the contact panel 16 zones altogether.
For instance, positive Y three electrodes (Y3+), negative Y three electrodes (Y3-), positive X four electrodes (X4+), negative X four electrodes (X4-) collocation are definable A1 zone.That is to say, when N=9, M=16, contact panel can be divided into (9*16) individual Minimum Area, but only need 34 (2*6+2*11) bar connecting line (line).
In sum; though the present invention with preferred embodiment openly as above; yet it is not in order to limit the present invention; any those of ordinary skills; without departing from the spirit and scope of the present invention; when can doing various changes and retouching, so protection scope of the present invention is as the criterion when looking the scope that claim defined of enclosing.
Claims (8)
1. electric resistance touch-control panel comprises:
One first direction, the first electrode group comprises a plurality of electrodes, and a unit length and two unit lengths of described a plurality of electrode length for replacing in regular turn;
One first direction, the second electrode group comprises a plurality of electrodes, and two unit lengths and the unit length of described a plurality of electrode length for replacing in regular turn;
One second direction, the first electrode group comprises a plurality of electrodes;
One second direction, the second electrode group comprises a plurality of electrodes;
One multiplexed commutation circuit is connected to all electrodes; And
One control circuit is controlled this multiplexed commutation circuit and optionally a first direction first connecting line is connected to part or all of electrode in this first direction first electrode group; One first direction, second connecting line is connected to part or all of electrode in this first direction second electrode group; One second direction, first connecting line is connected to part or all of electrode in this second direction first electrode group; One second direction, second connecting line is connected to part or all of electrode in this second direction second electrode group;
Wherein, a plurality of first group of strip layer two ends of this first direction are connected to this first direction first electrode group and this first direction second electrode group; A plurality of second group of strip layer two ends of this second direction are connected to this second direction first electrode group and this second direction second electrode group.
2. electric resistance touch-control panel as claimed in claim 1, wherein:
A unit length and two unit lengths of described a plurality of electrode lengths of the described second direction first electrode group for replacing in regular turn; And
Two unit lengths and the unit length of described a plurality of electrode lengths of the described second direction second electrode group for replacing in regular turn.
3. electric resistance touch-control panel as claimed in claim 1, wherein, this first direction is vertical mutually with this second direction.
4. electric resistance touch-control panel as claimed in claim 1, wherein, when one detected the contact point program, this multiplexed commutation circuit of control circuit may command was in order to be connected to this first direction first connecting line at whole electrode in this first direction first electrode group; This first direction second connecting line is connected to whole electrode in this first direction second electrode group; This second direction first connecting line is connected to whole electrode in this second direction first electrode group; This second direction second connecting line is connected to whole electrode in this second direction second electrode group, determines a first make contact.
5. electric resistance touch-control panel as claimed in claim 4, wherein this control circuit is when a checking contact point program, and this control circuit can determine a first contact panel zone, and this first make contact is contained in this first contact panel zone.
6. electric resistance touch-control panel as claimed in claim 5, wherein this control circuit is when this checking contact point program, this control circuit determines this first contact panel zone, control this multiplexed commutation circuit, in order to this first direction first connecting line is connected to the electrode of part in this first direction first electrode group; This first direction second connecting line is connected to the electrode of part in this first direction second electrode group; This second direction first connecting line is connected to the electrode of part in this second direction first electrode group; This second direction second connecting line is connected in this second direction second electrode group the electrode of part, determines one second contact point.
7. electric resistance touch-control panel as claimed in claim 6 wherein, when this first make contact and this second contact point are overlapping, confirms that a user produces single contact point; And, when this first make contact and this second contact point are not overlapping, confirm that the user produces a plurality of contact points.
8. electric resistance touch-control panel as claimed in claim 1, wherein this first group is an indium oxide layer of tin with second group of strip layer.
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| CN200810175473XA CN101398738B (en) | 2008-11-10 | 2008-11-10 | Resistance type touching control panel |
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| CN200810175473XA CN101398738B (en) | 2008-11-10 | 2008-11-10 | Resistance type touching control panel |
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| CN101398738A CN101398738A (en) | 2009-04-01 |
| CN101398738B true CN101398738B (en) | 2011-01-19 |
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