CN102073398B - Touch-sensitive method and electronic device - Google Patents
Touch-sensitive method and electronic device Download PDFInfo
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- CN102073398B CN102073398B CN 200910223659 CN200910223659A CN102073398B CN 102073398 B CN102073398 B CN 102073398B CN 200910223659 CN200910223659 CN 200910223659 CN 200910223659 A CN200910223659 A CN 200910223659A CN 102073398 B CN102073398 B CN 102073398B
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Abstract
The invention provides a touch-sensitive method. The method comprises the following steps of: scanning a plurality of first wires arranged along a first direction and a plurality of second wires arranged along a second direction, wherein the first direction and the second direction are different; generating a first index and a second index according to the scanning results, wherein the first index indicates the number of at least group of the first wires which are continuously adjacent and touched, and the second index indicates the number of at least one group of the second wires which are continuously adjacent and touched; and generating a state signal representing the touch gesture at least according to the similarity and difference between the number of the first wires which is indicated by the first index and the number of the second wires which is indicated by the second index. The invention also provides an electronic device.
Description
Technical field
The present invention relates to a kind of touching induction technology, particularly relate to a kind of touching inducing method and the electronic installation that can support many finger manipulations.
Background technology
Now, touching tablet (touch sensor pad) has been widely used in the electronic products such as notebook, personal digital assistant (PDA), portable electron device, touching telepilot, touching screen, touching input panel, as the input medium.And its mode of operation is gradually by the future development of single finger manipulation toward many finger manipulations.
TaiWan, China patent disclosure case has disclosed a kind of many finger method for detecting for No. 200933454, many the first wires and many second wires of a touching of its scanning tablet, and according to scanning the result find out at least one group continuous adjacent and the first touched wire, and at least one group continuous adjacent and the second touched wire, and be determined with this touching tablet of several finger touches according to the group number of finding out, and judge that by the number of finger certain gestures action occurs, for example: the vertical movement of two fingers can be considered the scroll bar gesture instruction under the Windows.
Judge the method for multi-finger gesture with the number of touching finger, its gesture success ratio is the condition precedent that is subject to the finger spacing, that is to say, if want accurately to judge the number of finger, each finger distance to each other can not be too near, must have significantly to separate.Yet, concerning the user, can't very clear such spacing to muchly just enough significantly separate at last, so the success ratio that easily causes multi-finger gesture to trigger has obvious drop along with different users.In addition, for the touching tablet of limited area in the action electronic product, using the movement of two fingers has been the limit, is that the gesture of three or even four fingers triggers still more.
Therefore, above-mentioned many finger method for detecting are except judging the finger number with the number of group, also remove in addition to detect wire number in each group whether less than a default reference value, judging whereby that this group is referred to form or pointed more by one hand forms, to judge more accurately the finger number.But, wire number in the simple relatively group and the size of a preset reference value, its result is subject to the impact that the user points thickness or health physique easily, for example: more slightly reach physique easily for the charged user for finger, default reference value must and then become greatly, if use the reference value of fixing to compare can to cause many fingers can't be by identification out.
So, how to reduce multi-finger gesture and trigger success ratio to the dependence of different users's physique and use habit, and the arithmetic speed that improves multi-finger gesture, be the emphasis that we study.
Summary of the invention
The objective of the invention is is providing a kind of touching inducing method, can solve the shortcoming of above-mentioned prior art.
The present invention touches inducing method and comprises following steps:
Many the first wires that scanning is arranged along a first direction reach many second wires arranging along a second direction, and wherein this first and second direction is different;
Result according to scanning produces one first index and one second index, and this first index is pointed out the number of at least one group continuous adjacent and touched the first wire, and this second index is pointed out the number of at least one group continuous adjacent and touched the second wire; And
The similarities and differences between the number of the first wire of pointing out according to this first index at least and the number of the second wire that this second index is pointed out produce the status signal of a representative touching gesture.
Another object of the present invention is that a kind of electronic installation is being provided, and can solve the shortcoming of above-mentioned prior art.
Electronic installation of the present invention comprises touching tablet, a sweep circuit and an analytic unit.This touching tablet comprises many first wires arranging along a first direction, reaches many second wires arranging along a second direction.This first and second direction is different.This sweep circuit is couple to this touching tablet, is used for scanning described first and second wire.This analytic unit is used for the result according to this sweep circuit scanning, produce one first index and one second index, this first index is pointed out the number of at least one group continuous adjacent and touched the first wire, and this second index is pointed out the number of at least one group continuous adjacent and touched the second wire.This analytic unit also is used at least the similarities and differences between the number of the number of the first wire of pointing out according to this first index and the second wire that this second index is pointed out, produces the status signal of a representative touching gesture.
Beneficial effect of the present invention is: the similarities and differences between the number of the second wire of pointing out by number and this second index of the first wire of pointing out according to this first index produce this status signal, except not needing to calculate the finger number that touches this touching tablet, also can reduce the thickness difference of finger and the erroneous judgement that user's physique relation causes.
Description of drawings
Fig. 1 is a calcspar, and the preferred embodiment of electronic installation of the present invention is described;
Fig. 2 is a synoptic diagram, and the situation when a status signal that (a) preferred embodiment produces is indicated one first touching gesture is described, and (b) situation when status signal is indicated one second touching gesture;
Fig. 3 is a process flow diagram, and the employed touching inducing method of preferred embodiment is described;
Fig. 4 is a synoptic diagram, illustrates that (a) status signal indicates the situation of one the 3rd touching during gesture, and (b) situation when status signal is indicated one the 4th touching gesture;
Fig. 5 is a synoptic diagram, the situation during description status signal designation 1 the 5th touching gesture;
Fig. 6 is a synoptic diagram, illustrates that (a) status signal indicates the situation of one the 6th touching during gesture, and (b) situation when status signal is indicated one the 7th touching gesture.
Embodiment
The present invention is described in detail below in conjunction with drawings and Examples:
Consult Fig. 1 and Fig. 2, the preferred embodiment of electronic installation 1 of the present invention comprises a touching tablet 11, a sweep circuit 12, an analytic unit 13 and a converting unit 14.Touching tablet 11 is capacitor-type touch tablets, and comprises many first wires 111 arranging along a first direction Y, and many second wires 112 arranging along a second direction X.First direction Y and second direction X are different, and in the present embodiment, first direction Y is a line direction, and second direction X is a column direction.Sweep circuit 12 is couple to touching tablet 11.
Consult Fig. 2 and Fig. 3, electronic installation 1 employed touching inducing method comprises following steps, and electronic installation 1 can repeat following steps.
In the present embodiment, analytic unit 13 is that each first scanning result S1 and first a threshold value TH1 who presets are compared, to produce the first comparative result D1, each second scanning result S2 and second a threshold value TH2 who presets are compared, to produce the second comparative result D2.The first threshold value TH1 and the second threshold value TH2 can be that size is identical, but also can be to vary in size, and depend on that touch sensing board 11 is at the capacitive sensing susceptibility of first direction Y and second direction X.As the first scanning result S1 during greater than the first threshold value TH1, the first comparative result D1 is set to noble potential, represent that the first corresponding wire 111 has touched arriving, for example, in the situation shown in Fig. 2 (a), first wire 111-2～111-5 has touched arriving, and as the first scanning result S1 during less than the first threshold value TH1, the first comparative result D1 is set to electronegative potential, represent that the first corresponding wire 111 does not have touched arriving, for example, in the situation shown in Fig. 2 (a), the first wire 111-1,111-6 do not have touched arriving.As the second scanning result S2 during greater than the second threshold value TH2, the second comparative result D2 is set to noble potential, represent that the second corresponding wire 112 has touched arriving, for example, in the situation shown in Fig. 2 (a), the second wire 112-5,112-6 has touched arriving, and as the second scanning result S2 during less than the second threshold value TH2, the second comparative result D2 is set to electronegative potential, represent that the second corresponding wire 112 does not have touched arriving, for example, in the situation shown in Fig. 2 (a), second wire 112-1～112-4,112-7～112-10 does not have touched arriving.But in another embodiment, analytic unit 13 can be that first and second scanning result S1, S2 and same threshold value TH are compared.
For example, in the situation shown in Fig. 2 (a), the first index is pointed out a G1 of group, and among the G1 of this group four continuous adjacent and first touched wire 111-2～111-5 are arranged, the second index is pointed out a G2 of group, and in this group two continuous adjacent and touched the second wire 112-5,112-6 is arranged.
For example, shown in Fig. 2 (a), point out a G1 of group in the first index, the second index is pointed out a G2 of group, the number of the first wire 111 that the first index is pointed out is different from the number of the second wire 112 that the second index is pointed out, and the former drops on a default scope (for example 1.5～2.5) when interior except the latter's ratio, and then status signal indicates one first to touch gesture.During finger abdomen 2 this touching tablets 11 of touching of two fingers arranging with distance less (for example abut against together or slightly separately) to each other and along first direction Y as a user, can make status signal indication first touch gesture.Certainly, the user with the touching of the dactylus of two fingers, finger is smooth or alternate manner is touched this touching tablet 11 and also can be reached identical result.Below all to describe as example with these touching tablets 11 of finger abdomen 2 touching of finger.
Shown in Fig. 2 (b), point out a G1 of group in the first index, the second index is pointed out a G2 of group, the number of the first wire 111 that the first index is pointed out is different from the number of the second wire 112 that the second index is pointed out, and the latter drops on default scope (namely 1.5～2.5) when interior except the former ratio, and then status signal indicates one second to touch gesture.When this touching tablets 11 of finger abdomen 2 touchings of user's two fingers less and that arrange along second direction X with distance to each other, can make status signal indication the second touching gesture.
For example, shown in Fig. 4 (a), point out a G1 of group in the first index, the second index is pointed out a G2 of group, the number of the first wire 111 that the first index is pointed out is different from the number of the second wire 112 that the second index is pointed out, and when the former was higher than the upper limit (namely 2.5) of default scope except the latter's ratio, then status signal was indicated one the 3rd touching gesture.When this touching tablets 11 of finger abdomen 2 touchings of user's three fingers less and that arrange along first direction Y with distance to each other, can make status signal indicate the 3rd touching gesture.
Shown in Fig. 4 (b), point out a G1 of group in the first index, the second index is pointed out a G2 of group, the number of the first wire 111 that the first index is pointed out is different from the number of the second wire 112 that the second index is pointed out, and when the latter was higher than the upper limit (namely 2.5) of default scope except the former ratio, then status signal was indicated one the 4th touching gesture.When this touching tablets 11 of finger abdomen 2 touchings of user's three fingers less and that arrange along second direction X with distance to each other, can make status signal indicate the 4th touching gesture.
As shown in Figure 5, point out a G1 of group in the first index, the second index is pointed out a G2 of group, when the ratio of the number of the second wire 112 that the number of the first wire 111 that the first index is pointed out is pointed out except the second index was lower than the lower limit (namely 1.5) of default scope and the latter and is lower than the lower limit (namely 1.5) of default scope except the former ratio, then status signal was indicated one the 5th touching gesture.When the user touches this touching tablet 11 with the finger abdomen 2 of a finger, can make status signal indicate the 5th touching gesture.
Shown in Fig. 6 (a), point out a plurality of G1 of group in the first index, when the second index was pointed out a G2 of group, then status signal was indicated one the 6th touching gesture.When the user obviously during this touching tablets 11 of finger abdomen 2 touchings of two fingers large and that arrange along first direction Y, can make status signal indicate the 6th touching gesture with distance to each other.
Shown in Fig. 6 (b), point out a G1 of group in the first index, when the second index was pointed out a plurality of G2 of group, then status signal was indicated one the 7th touching gesture.When the user obviously during this touching tablets 11 of finger abdomen 2 touchings of two fingers large and that arrange along second direction X, can make status signal indicate the 7th touching gesture with distance to each other.
Because step 31 to step 35 can be repeated to carry out, so can produce a series of status signal and a series of position signalling.
To be converting units 14 produce a control signal according in a plurality of status signals and a plurality of position signalling at least one to step 36.
For example, control signal can be employed communication protocol when meeting a mouse and a main-machine communication.When general mouse and main-machine communication nothing more than being to send: 1) cursor of mouse move, 2) left button press with decontrol, 3) right button presses and decontrols, and 4) control signal such as roller slip.The status signal of present embodiment can directly be converted to the control signal between mouse and main frame and need not to calculate separately, for instance, the 5th touching gesture (as shown in Figure 5) can represent the state of cursor movement, the first touching gesture (shown in Fig. 2 (a)) can represent the state that left button is pressed, the 7th touching gesture (shown in Fig. 6 (b)) can represent the state that right button is pressed, and the second touching gesture (shown in Fig. 2 (b)) can represent the touched state of roller.Converting unit 14 can a plurality of consecutive status signals all indicate the 5th touching gesture (as shown in Figure 5) during in, the sliding trace of conversion finger (can thus during a plurality of consecutive position signallings learn) is the control signal of cursor movement; A plurality of consecutive status signals all indicate first the touching gesture (shown in Fig. 2 (a)) during in, send and represent the control signal that left button is pressed, touch gesture when (as shown in Figure 5) when two consecutive status signals from indicating the first touching gesture (shown in Fig. 2 (a)) to become indication the 5th, send and represent the control signal that left button is pressed rear relieving; A plurality of consecutive status signals all indicate the 7th the touching gesture (shown in Fig. 6 (b)) during in, send and represent the control signal that right button is pressed, touch gesture when (as shown in Figure 5) when two consecutive status signals from indicating the 7th touching gesture (shown in Fig. 6 (b)) to become indication the 5th, send and represent the control signal that right button is decontroled; A plurality of consecutive status signals all indicate second the touching gesture (shown in Fig. 2 (b)) during in, send and represent the control signal that roller (windows rolling) starts, and the moving direction of finger and distance (can thus during a plurality of consecutive position signallings learn) can be exchanged into the control signal of windows rolling direction and scrolling speed.
The employed communication protocol, converting unit 14 also can be with the startup of status signal as special gesture when converting general mouse and main-machine communication to.For example: the first touching gesture (shown in Fig. 2 (a)) is converted to the control signal that representative towing gesture starts, and will the first touching gesture keep during in the track that moves of finger be converted to the towing track; The second touching gesture (shown in Fig. 2 (b)) is converted to represent the control signal that the scroll bar gesture starts, and will the second touching gesture keep during in point direction and the speed that the track that moves is converted to scroll bar; The 3rd touching gesture (shown in Fig. 4 (a)) is converted to the control signal that the upper nextpage gesture of expression starts, and follow-up finger is converted to toward the action that moves to right changes page or leaf, and finger is converted to toward the action that moves to left and changes page or leaf; The 4th touching gesture (shown in Fig. 4 (b)) is converted to the control signal that expression selects gesture to start.
Except direct state according to status signal comes the changeover control signal, also can come changeover control signal according to status signal conversion in time, for example: when two consecutive status signals are indicated other touching gesture from indicating the 5th touching gesture (as shown in Figure 5) to become, can be considered pressing of various virtual functions keys; On the contrary, can be considered this function key from pressing relieving.Or, when two consecutive status signals are touched gesture (shown in Fig. 2 (b)) from indicating the first touching gesture (shown in Fig. 2 (a)) to become indication second, can be considered a virtual knob clockwise is rotated; On the contrary, can be considered this knob inverse clock rotation.Or be, when two consecutive status signals are touched gesture (shown in Fig. 2 (a)) from indicating the 6th touching gesture (shown in Fig. 6 (a)) to become indication first, or from indicating the 7th touching gesture (shown in Fig. 6 (b)) to become indication the second touching gesture when (shown in Fig. 2 (b)), can be considered a virtual block is dwindled; On the contrary, can be considered this block amplification.
In addition, the number conversion of two finger to three fingers also can be touched gesture (shown in Fig. 4 (a)) from indicating the first touching gesture (shown in Fig. 2 (a)) to become indication the 3rd from two consecutive status signals, or learns from indicating the second touching gesture (shown in Fig. 2 (b)) to become indication the 4th touching gesture (shown in Fig. 4 (b)).If, what the first touching gesture (shown in Fig. 2 (a)) triggered is a certain specific function, and two consecutive status signals can be exchanged into the parameter control signal for this specific function from indicating the first touching gesture (shown in Fig. 2 (a)) to become indication the 3rd touching gesture (shown in Fig. 4 (a)) so.For example: if the first touching gesture (shown in Fig. 2 (a)) is the control gesture that represents music playing, two consecutive status signals can represent next music of broadcast from indicating the first touching gesture (shown in Fig. 2 (a)) to become indication the 3rd touching gesture (shown in Fig. 4 (a)) so, if repeat this conversion, can the several songs of hop jump.
Electronic installation 1 can have the form of implementation of many kinds on using.For example, electronic installation 1 is a notebook, analytic unit 13 and converting unit 14 are to realize with software (namely driver), perhaps electronic installation 1 is a touch inductor that can be couple to a main frame, and analytic unit 13 and converting unit 14 are to realize with firmware or hardware.
In sum, the similarities and differences between the number of the second wire 112 that present embodiment is pointed out by number and second index of the first wire 111 of pointing out according to the first index, and when both are different, whether drop in the default scope according to both ratio and produce status signal, except not needing to calculate the finger number that touches touching tablet 11, can simplify and produce outside the required computing of control signal, also can reduce the thickness difference of finger and the erroneous judgement that user's physique relation causes, to improve accuracy, so really can reach purpose of the present invention.
Claims (11)
1. touch inducing method for one kind, comprise following steps:
(a) scanning reaches many second wires arranging along a second direction along many first wires of first direction arrangement, and described first and second direction is different;
It is characterized in that it also comprises following steps:
(b) according to the result who scans, produce one first index and one second index, described the first index is pointed out the number of at least one group continuous adjacent and touched the first wire, and described the second index is pointed out the number of at least one group continuous adjacent and touched the second wire; And
The similarities and differences between the number of the first wire of (c) pointing out according to described the first index at least and the number of the second wire that described the second index is pointed out, produce the status signal of a representative touching gesture, wherein, when the number of the second wire that the number of the first wire that described the first index is pointed out and described the second index are pointed out is different, be whether to drop in the default scope according to both ratio to produce described status signal.
2. according to the described touching inducing method of claim l, it is characterized in that: in step (c), the number of the group that also points out according to described the first index and the number of the group that described the second index is pointed out produce described status signal.
3. according to the described touching inducing method of claim l, it is characterized in that it also comprises following steps:
(d) produce a control signal according to described status signal at least.
4. touching inducing method according to claim 3 is characterized in that: in step (d), and employed communication protocol when described control signal meets a mouse and a main-machine communication.
5. according to the described touching inducing method of claim l, it is characterized in that it also comprises following steps:
(e) repeated execution of steps (a) is to step (c), to produce a series of status signal; And
(f) according to the variation between at least two-phase continuum of states signal in the described status signal, produce a control signal.
6. according to the described touching inducing method of claim l, it is characterized in that: in step (b), be that the result that described first and second wire of scanning produces is compared with a threshold value respectively, and produce described the first index and described the second index according to result relatively.
7. according to the described touching inducing method of claim l, it is characterized in that: in step (b), that the result that described the first wire of scanning produces is compared with one first threshold value respectively, and produce described the first index according to result relatively, the result that described the second wire of scanning is produced distinctly compares with one second threshold value, and produces described the second index according to result relatively.
8. touch inductor comprises:
A scanning element is used for many first wires that scanning is arranged along a first direction, reaches many second wires arranging along a second direction, and described first and second direction is different;
It is characterized in that it also comprises:
The first analytic unit, be used for the result according to scanning, produce one first index and one second index, described the first index is pointed out the number of at least one group continuous adjacent and touched the first wire, and described the second index is pointed out the number of at least one group continuous adjacent and touched the second wire; And
The second analytic unit, be used at least the similarities and differences between the number of the number of the first wire of pointing out according to described the first index and the second wire that described the second index is pointed out, produce the status signal of a representative touching gesture, wherein, when the number of the second wire that the number of the first wire that described the first index is pointed out and described the second index are pointed out is different, be whether to drop in the default scope according to both ratio to produce described status signal.
9. touch inductor according to claim 8 is characterized in that: described the first analytic unit also is used for the number of the group that points out according to described the first index and the number of the group that described the second index is pointed out, produces described status signal.
10. touch inductor according to claim 8 is characterized in that it also comprises:
One converting unit is used for producing a control signal according to described status signal at least.
11. touch inductor according to claim 10 is characterized in that: employed communication protocol when described control signal meets a mouse and an inter-host communication.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1538267A (en) * | 2003-04-14 | 2004-10-20 | 义隆电子股份有限公司 | Electric capacity type touch control board combined with key and hand writing function |
| CN1719397A (en) * | 2004-07-09 | 2006-01-11 | 义隆电子股份有限公司 | Capacity type contact control panel having integrated picture input function |
| CN101526865A (en) * | 2008-03-06 | 2009-09-09 | 升达科技股份有限公司 | Method for sensing multi-finger touch by touch pad |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1538267A (en) * | 2003-04-14 | 2004-10-20 | 义隆电子股份有限公司 | Electric capacity type touch control board combined with key and hand writing function |
| CN1719397A (en) * | 2004-07-09 | 2006-01-11 | 义隆电子股份有限公司 | Capacity type contact control panel having integrated picture input function |
| CN101526865A (en) * | 2008-03-06 | 2009-09-09 | 升达科技股份有限公司 | Method for sensing multi-finger touch by touch pad |
Non-Patent Citations (1)
| Title |
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| JP特开2001-67177A 2001.03.16 |
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