CN102999192A - Touch system and touch method with track detection function - Google Patents
Touch system and touch method with track detection function Download PDFInfo
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- CN102999192A CN102999192A CN2011102688686A CN201110268868A CN102999192A CN 102999192 A CN102999192 A CN 102999192A CN 2011102688686 A CN2011102688686 A CN 2011102688686A CN 201110268868 A CN201110268868 A CN 201110268868A CN 102999192 A CN102999192 A CN 102999192A
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Abstract
The invention discloses a touch system with a track detection function. The touch system comprises a touch plate and a processor. The touch plate is used for sensing moving track of an indicator to produce a first dynamic vector and a second dynamic vector. The indicator is located at the first position at first time, at the second position at second time and at the third position at the third time. The first dynamic vector is the difference between the first position and the second position, and the second dynamic vector is the difference between the second position and the third position. The processor is used for receiving the first dynamic vector and the second dynamic vector to generate a candidate dynamic vector and generate a target dynamic vector according to the candidate dynamic vector to move a target. The touch system utilizes the dynamic vectors of a newest multi-pen indicator to move the target on a display panel in linear or non linear mode to effectively improve signal to noise ratio.
Description
Technical field
The present invention relates to a kind of touch-control system, particularly relate to a kind of touch-control system with track detecting function.
Background technology
Existing touch-control system is placed on finger on the Trackpad mobile by the user, come the object (such as cursor) in the mobile display panel accordingly.In the prior art, the user points the distance that mobile distance can equal cursor movement usually.In other words, the size of Trackpad must be the same with display panel large, and this meeting is so that the cost rising.If dwindle the size of Trackpad, just the distance that cursor must be moved is set as a fixing multiple of the mobile distance of finger, yet do like this degree of accuracy that can reduce Trackpad.For instance, if Trackpad wide X only, if the user 2X that cursor will be moved right then, he must be placed on finger on the Trackpad, and moves right twice, each maximum mobile X, could be so that cursor moves right 2X.Perhaps, the displacement of the finger that detects on the Trackpad be multiply by twice, user X that just can move right a time like this, and can allow the cursor 2X that moves right, but so just reduced degree of accuracy.Therefore, in the touch-control system of prior art, manufacturer must face the difficult problem that cost increases or degree of accuracy descends.
Summary of the invention
Technical matters to be solved by this invention is: in order to remedy the deficiencies in the prior art, provide a kind of touch-control system and method for tool track detecting function.Described touch-control system comprises Trackpad, thereby being used for the track that the sensing indicant moves produces revised Suitable For Moving-goal Problems vector, so that on display, object can move toward the desirable direction of user with more smooth-going visual effect.Applicable technology of the present invention can judge that the inertia of described indicant moves, and therefore, stops when mobile at indicant, and the inertia that object still can react described indicant moves and continues mobile.Move by the inertia of judging indicant, also can with predetermined time length or acceleration/deceleration come the moving target thing.
On the other hand, applicable technology of the present invention can be judged by the accumulation to the target dynamic vector, comes so that the object on the display can move and do not shake along with trembling of indicant with sliding suitable track.
A plurality of dynamic vectors that the present invention utilizes indicant to produce by the compute mode of nonlinear function, calculate the target dynamic vector that object will move; Therefore the present invention must obtain the dynamic vector of indicant continuously.
The touch-control system of tool track detecting function of the present invention is by the following technical solutions:
Described touch-control system comprises Trackpad and processor.Trackpad is sequentially in a plurality of positions of a plurality of moment sensing indicants, is used for position and the mobile track of the described indicant of sensing on described Trackpad.Processor produces dynamic vector continuously according to described indicant mobile track on described Trackpad, and according at least one dynamic vector to produce candidate's dynamic vector, and according to described candidate's dynamic vector, non-linearly produce the target dynamic vector, mobile display is in the object of display panel according to this.Each dynamic vector is the difference of position and next position of described indicant.
Described candidate's dynamic vector be a plurality of dynamic vectors and.
Have funtcional relationship between described candidate's dynamic vector and the described target dynamic vector, and described function is nonlinear function.
When described candidate's dynamic vector during less than predetermined value, it is mobile that described processor judges that described indicant stops, and with the direction of described candidate's dynamic vector, continue mobile described object.
Described processor is mobile described object at a predetermined velocity, and when described candidate's dynamic vector was larger, described predetermined speed was larger; When described candidate's dynamic vector more hour, described predetermined speed is less.
Described touch-control system also comprises touch sensing, is used for judging whether described indicant still is positioned on the described Trackpad.
When described touch sensing judged that described indicant leaves described Trackpad, described processor moved described object with the schedule time again after with the mobile described object of described target dynamic vector.
When described touch sensing judged that described indicant leaves described Trackpad, described processor was after with the mobile described object of described target dynamic vector, and the speed during again with originally mobile described object is slowed down gradually, mobile described object.
When described indicant left described Trackpad, described processor moved described object with the schedule time again after with the mobile described object of described target dynamic vector.
When described indicant left described Trackpad, described processor was after with the mobile described object of described target dynamic vector, and the speed during again with originally mobile described object is slowed down gradually, mobile described object.
The present invention also provides a kind of method of controlling touch-control system.Described method comprises that track that the sensing indicant moves is to produce first and second dynamic vector; According to described first with described the second dynamic vector, produce candidate's dynamic vector, and according to described candidate's dynamic vector, produce the target dynamic vector; And with described target dynamic vector, moving target thing; Wherein said indicant is positioned on the Trackpad of described touch-control system.
Comprise a plurality of dynamic vectors are produced described candidate's dynamic vector mutually to produce described candidate's dynamic vector according at least one dynamic vector.
According to described candidate's dynamic vector, non-linearly produce described target dynamic vector and comprise with nonlinear function described candidate's dynamic vector is converted to described target dynamic vector.
Described method also comprises when described candidate's dynamic vector during less than predetermined value, judges that described indicant stops mobile, and with the direction of described candidate's dynamic vector, continues mobile described object.
When described candidate's dynamic vector during less than described predetermined value, judge that described indicant stops mobile, and with the direction of described candidate's dynamic vector, continuing mobile described object comprises when described candidate's dynamic vector during less than described predetermined value, with direction and the predetermined speed of described candidate's dynamic vector, continue mobile described object; Wherein when described candidate's dynamic vector was larger, described predetermined speed was larger; When described candidate's dynamic vector more hour, described predetermined speed is less.
Described method also comprises judges whether described indicant still is positioned on the described Trackpad.
Judging whether described indicant still is positioned at comprises on the described Trackpad when judging that described indicant leaves described Trackpad, after with the mobile described object of described target dynamic vector, moves described object with the schedule time again.
Judging whether described indicant still is positioned at comprises on the described Trackpad when described touch sensing judges that described indicant leaves described Trackpad, after with the mobile described object of described target dynamic vector, speed during again with originally mobile described object is slowed down gradually, mobile described object.
Therefore, according to technique scheme, touch-control system and the method for tool track detecting function of the present invention have following advantages and beneficial effect at least: touch-control system of the present invention, utilize the dynamic vector of up-to-date many indicants, with linear or nonlinear mode, object on the mobile display panel so can improve the signal to noise ratio (S/N ratio) (signal to noise ratio, SNR) of touch-control system effectively.In addition, when indicant stopped to move or leaves Trackpad, the mode that touch-control system of the present invention can move with inertia again continued the moving target thing, so so that larger convenience to be provided.
Description of drawings
Fig. 1 illustrates the schematic diagram of the touch-control system of tool track detecting function of the present invention.
Fig. 2 illustrates that touch-control system of the present invention comes the schematic diagram of moving target thing according to a plurality of dynamic vectors of indicant.
Fig. 3 illustrates the schematic diagram of an embodiment of Trackpad and display panel in the touch-control system of the present invention.
Fig. 4 illustrates the schematic diagram of another embodiment of Trackpad and display panel in the touch-control system of the present invention.
Wherein, description of reference numerals is as follows:
100 touch-control systems, 110 display panels
120 Trackpads, 130 processors
140 touch sensings, 150 internal memories
The position of MVS1～MVS7, motion-vector F0～F7 indicant
MVX1～MVX5、
MVC1～MVC5
The C object
Embodiment
Please also refer to Fig. 1 and Fig. 2.Fig. 1 illustrates the schematic diagram of the touch-control system 100 of tool track detecting function of the present invention, and Fig. 2 illustrates that touch-control system of the present invention comes the schematic diagram of moving target thing according to a plurality of dynamic vectors of indicant.Touch-control system 100 comprises display panel 110, Trackpad 120, processor 130, touch sensing 140, and internal memory 150.Trackpad 120 provides mobile thereon also its track of sensing of indicant F (such as finger), and whether touch sensing 140 is judged has indicant to exist on Trackpad 120.Internal memory 150 receives track and the storage of 120 sensings of Trackpad, offers processor 130 again.Processor 130 receives the track that internal memory is stored, and passes through the calculating of special algorithm again, and is mobile at the object C of display panel 110 (such as cursor).That is to say, when indicant F on Trackpad 120 during mobile X-direction amount, object C can mobile f (X), wherein f (X) is the function of X and can is nonlinear function, and the X-direction amount can be continuous dynamic vector.
Trackpad 120 need to be obtained the motion track of indicant F on Trackpad 120 constantly, what pay particular attention to is, Trackpad 120 can't affect of the present invention applicable with the relative size of indicant F, Trackpad 120 continues just can be suitable for the present invention and come the export target dynamic vector after the motion track of acquisition indicant F.
Below specify the motion track how the present invention continues to obtain indicant with an embodiment, and produce the target dynamic vector.In the present embodiment, Trackpad 120 can be with sampling frequency FS, sampling indicant F track thereon, and obtain a series of dynamic vector MVS, it should be noted that, with respect to the translational speed of indicant F, sampling frequency FS is fast, in order to can obtain the mobile message of more indicant F.Processor 130 is according to the dynamic vector MVS that receives, after treatment, produce target dynamic vector M VC so as on display panel 110 moving target thing C.Characteristics of the present invention are: processor 130 can according at least one dynamic vector MVS, produce the target dynamic vector M VC of object C.For instance, Trackpad 120 obtains respectively dynamic vector MVS1, MVS2, the MVS3 of indicant F in moment T0, T1, T2, T3 sampling.130 of processors produce target dynamic vector M VC according to dynamic vector MVS1～MVS3.If MVS1～MVS3 larger (namely, indicant F moves faster), the then multiplicable ground of target dynamic vector M VC large (or little).In addition, if indicant F is when moment T3 stops to move or after a period of time of stopping, the direction that processor 130 can form according to the terminal point of the starting point of dynamic vector MVS1 and dynamic vector MVS3, and the intensity of variation of dynamic vector MVS1～MVS3, come moving target thing C with fixing speed or the speed of slowing down gradually.Similarly, if touch sensing 140 points out that indicant F is when the moment, T3 left Trackpad 120, the direction that processor 130 can form according to the terminal point of the starting point of dynamic vector MVS1 and dynamic vector MVS3, and the intensity of variation of dynamic vector MVS1～MVS3, with schedule time length or deceleration, moving target thing C.
The present invention can use at the Trackpad size product large or less than indicant contact area.The portable electronic devices that for example has Trackpad, the Trackpad size is larger than indicant contact area, when user's finger moves in the above, the movement of crossing over whole Trackpad is inconvenient for the user, this moment when user's finger when regional area moves, just can producing a plurality of dynamic vectors, to produce target dynamic for processor vectorial.The electronic installation that for example has again the finger navigation module, for example mobile phone or computing machine, the size of described finger navigation module and indicant contact area are quite or less than indicant contact area, when user's finger moves in the above, for object, cursor for example, mobile long distance, the moveable finger that repeats is inconvenient for the user, and just can produce a plurality of dynamic vectors and produce the target dynamic vector for processor this moment when user's finger moves.
As shown in Figure 2, Trackpad 120 is sequentially taken a sample in moment T0, T1, T2, T3, T4, T5, T6, T7, and obtain respectively contact position F0, F1, F2, F3, F4, F5, F6, the F7 of indicant F, and dynamic vector MVS1, MVS2, MVS3, MVS4, MVS5, MVS6, MVS7.Dynamic vector MVS1～MVS7 can be temporary in the internal memory 150.The cumulative dynamic vector MVS1～MVS7 of processor 130 meetings, to produce candidate's dynamic vector MVX, for example MVX1 is exactly that MVS1 adds that MVS2 adds MVS3; MVX5 is exactly that MVS5 adds that MVS6 adds MVS7, and other is also same.Then, processor 130 is brought candidate's dynamic vector MVX into predefined function f (MVX), with the target dynamic vector M VC of output ideal thing C, and moving target thing C according to this, wherein f (MVX) can be linearity or nonlinear function.Perhaps, processor 130 is found out the target dynamic vector M VC of the corresponding ideal thing of candidate's dynamic vector MVX C, according to this moving target thing C with lookup table mode in the table of comparisons.For instance, function f (MVX) can be MVC=(MVX) 2.Thus, if the absolute value (displacement) of candidate's dynamic vector MVX is larger, then the absolute value of target dynamic vector M VC (displacement) is larger.
In the embodiment of Fig. 2, processor 130 adopts nearest 3 dynamic vector MVS to add up to produce candidate's dynamic vector MVX, and for example MVX1 is exactly that MVS1 adds that MVS2 adds MVS3; MVX5 is exactly that MVS5 adds that MVS6 adds MVS7, and other is also same.Then pass through function f (MVX) to produce target dynamic vector M VC.For convenience of description, set MVC=f (MVX)=MVX.Under such setting, when moment T3, T4, T5, T6, T7, dynamic vector MVC1, the MVC2 of object C, MVC3, MVC4, MVC5 equal respectively candidate's dynamic vector MVX1, MVX2, MVX3, MVX4, MVX5.As can be seen from Figure 2, the noise that decides the practice of the dynamic vector of ideal thing to reduce to produce because of indicant or Trackpad with a plurality of dynamic vectors of indicant is so that object can be followed the movement of irregularity.For instance, indicant is user's finger, therefore the user easily has trembling slightly usually during moveable finger on Trackpad, and through processing of the present invention, the object on display panel can slide just that suitable track moves and not shake along with trembling of pointing.
In addition, processor 130 meetings judge according to the up-to-date dynamic vector that Trackpad 120 provides whether indicant F has continuation or stop mobile.In this embodiment, processor 130 judges according to candidate's dynamic vector MVX5 whether indicant F stops.If candidate's dynamic vector MVX5 is less than predetermined value MVP, it is mobile that processor 130 judges that indicant F stops.In this case, after object C was moved with target dynamic vector M VC5, processor 130 was understood at a predetermined velocity VP again, comes moving target thing C.If candidate's dynamic vector MVX5 judges that less than described predetermined value MVP and touch sensing 140 indicant F leaves the surface of Trackpad 120, this moment, object C can be moved by the direction of processor 130 with target dynamic vector M VC5, then processor 130 is again with schedule time length T P moving target thing C, or the mode moving target thing C that gradually falls with speed is until speed becomes zero (inertia moves).For instance, speed V (t)=VO5-Ct, wherein VO5 is that speed, the C of object C when moving with candidate's dynamic vector MVC5 is that constant, t are the time.
Please also refer to Fig. 3 and Fig. 4.Fig. 3 illustrates the schematic diagram of an embodiment of Trackpad and display panel in the touch-control system of the present invention, and Fig. 4 illustrates the schematic diagram of another embodiment of Trackpad and display panel in the touch-control system of the present invention.Fig. 3 represents to have between Trackpad 120 and the display panel 110 zone of overlapping, that is to say that contact panel 120 is arranged at the top of display panel 110.This embodiment often is applied to intelligent mobile phone now.Fig. 4 represents not have between Trackpad 120 and the display panel 110 zone of overlapping.This embodiment often is applied to mobile computer.Touch-control system 100 of the present invention can Fig. 3 or Fig. 4 realize, namely can be applicable to intelligent mobile phone, mobile computer, or other electronic installation.Under the implementation of Fig. 3, processor 130 employed function f (MVX) can be linear functions.Preferably, target dynamic vector M VX can be identical with candidate's dynamic vector MVC, that is to say how many indicant F moves, and how much mobile object C is just.Under the implementation of Fig. 4, processor 130 employed function f (MVX) can be nonlinear functions.Preferably, target dynamic vector M VC can that is to say that indicant F has moved distance X greater than candidate's dynamic vector MVX, and object C is with regard to displacement Y, and Y is greater than X.
In addition, the employed contact panel of touch-control system of the present invention can be optical profile type, resistance-type, condenser type, or other sample attitude, and end is seen user design and determined.When Trackpad itself just had the touch detection function, for example resistance-type, capacitive touch control plate then can additionally be installed touch sensing and just can finish touch-control system of the present invention.
Therefore, according to technique scheme, touch-control system and the method for tool track detecting function of the present invention have following advantages and beneficial effect at least: touch-control system of the present invention, utilize the dynamic vector of up-to-date many indicants, with linear or nonlinear mode, object on the mobile display panel so can improve the signal to noise ratio (S/N ratio) (signal to noise ratio, SNR) of touch-control system effectively.In addition, when indicant stopped to move or leaves Trackpad, the mode that touch-control system of the present invention can move with inertia again continued the moving target thing, so so that larger convenience to be provided.
The above only is the preferred embodiments of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (18)
1. the touch-control system of a tool track detecting function is characterized in that, described touch-control system comprises:
Trackpad sequentially in a plurality of positions of a plurality of moment sensing indicants, is used for the position of the described indicant of sensing on described Trackpad and mobile track; And
Processor, produce continuously dynamic vector according to described indicant mobile track on described Trackpad, and according at least one dynamic vector to produce candidate's dynamic vector, and according to described candidate's dynamic vector, non-linearly produce the target dynamic vector, mobile display is in the object of display panel according to this;
Wherein, each dynamic vector is the difference of position and next position of described indicant.
2. touch-control system as claimed in claim 1 is characterized in that, described candidate's dynamic vector be a plurality of dynamic vectors and.
3. touch-control system as claimed in claim 1 is characterized in that, have funtcional relationship between described candidate's dynamic vector and the described target dynamic vector, and described function is nonlinear function.
4. touch-control system as claimed in claim 1 is characterized in that, when described candidate's dynamic vector during less than predetermined value, it is mobile that described processor judges that described indicant stops, and with the direction of described candidate's dynamic vector, continues mobile described object.
5. touch-control system as claimed in claim 4 is characterized in that, described processor is mobile described object at a predetermined velocity, and when described candidate's dynamic vector was larger, described predetermined speed was larger; When described candidate's dynamic vector more hour, described predetermined speed is less.
6. touch-control system as claimed in claim 1 is characterized in that, described touch-control system also comprises touch sensing, is used for judging whether described indicant still is positioned on the described Trackpad.
7. touch-control system as claimed in claim 6, it is characterized in that, when described touch sensing judged that described indicant leaves described Trackpad, described processor moved described object with the schedule time again after with the mobile described object of described target dynamic vector.
8. touch-control system as claimed in claim 6, it is characterized in that, when described touch sensing judges that described indicant leaves described Trackpad, described processor is after with the mobile described object of described target dynamic vector, speed during again with originally mobile described object is slowed down gradually, mobile described object.
9. touch-control system as claimed in claim 1 is characterized in that, when described indicant left described Trackpad, described processor moved described object with the schedule time again after with the mobile described object of described target dynamic vector.
10. touch-control system as claimed in claim 1, it is characterized in that, when described indicant left described Trackpad, described processor was after with the mobile described object of described target dynamic vector, speed during again with originally mobile described object is slowed down gradually, mobile described object.
11. a method of controlling touch-control system is characterized in that, described method comprises:
The track that the sensing indicant moves;
The track that moves according to described indicant produces dynamic vector continuously;
Producing candidate's dynamic vector, and according to described candidate's dynamic vector, non-linearly produce the target dynamic vector according at least one dynamic vector; And
According to described target dynamic vector mobile display in the object of display panel;
Wherein, each dynamic vector is the difference of position and next position of described indicant, and described indicant is positioned on the Trackpad of described touch-control system.
12. method as claimed in claim 11 is characterized in that, comprises to produce described candidate's dynamic vector according at least one dynamic vector:
A plurality of dynamic vectors are produced described candidate's dynamic vector mutually.
13. method as claimed in claim 11 is characterized in that, according to described candidate's dynamic vector, non-linearly produces described target dynamic vector and comprises:
With nonlinear function described candidate's dynamic vector is converted to described target dynamic vector.
14. method as claimed in claim 11 is characterized in that, described method also comprises:
When described candidate's dynamic vector during less than predetermined value, judge that described indicant stops mobile, and with the direction of described candidate's dynamic vector, continue mobile described object.
15. method as claimed in claim 14 is characterized in that, when described candidate's dynamic vector during less than described predetermined value, judges that described indicant stops mobile, and with the direction of described candidate's dynamic vector, continues mobile described object and comprise:
When described candidate's dynamic vector during less than described predetermined value, with direction and the predetermined speed of described candidate's dynamic vector, continue mobile described object;
Wherein when described candidate's dynamic vector was larger, described predetermined speed was larger; When described candidate's dynamic vector more hour, described predetermined speed is less.
16. method as claimed in claim 11 is characterized in that, described method also comprises judges whether described indicant still is positioned on the described Trackpad.
17. method as claimed in claim 16 is characterized in that, judges whether described indicant still is positioned on the described Trackpad to comprise:
When judging that described indicant leaves described Trackpad, after with the mobile described object of described target dynamic vector, move described object with the schedule time again.
18. method as claimed in claim 16 is characterized in that, judges whether described indicant still is positioned on the described Trackpad to comprise:
When described touch sensing judged that described indicant leaves described Trackpad, after with the mobile described object of described target dynamic vector, the speed during again with originally mobile described object was slowed down gradually, mobile described object.
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| CN106681506B (en) * | 2016-12-26 | 2020-11-13 | 惠州Tcl移动通信有限公司 | Interaction method for non-VR application in terminal equipment and terminal equipment |
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