CN101488068B - Touch control apparatus and its touch control method - Google Patents
Touch control apparatus and its touch control method Download PDFInfo
- Publication number
- CN101488068B CN101488068B CN2009100082481A CN200910008248A CN101488068B CN 101488068 B CN101488068 B CN 101488068B CN 2009100082481 A CN2009100082481 A CN 2009100082481A CN 200910008248 A CN200910008248 A CN 200910008248A CN 101488068 B CN101488068 B CN 101488068B
- Authority
- CN
- China
- Prior art keywords
- trackpad
- capacitance
- finger
- control device
- concussion frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The invention discloses a touch device and a touch method thereof used for providing an input signal to a computer device. The computer device executes an application program according to the input signal. The touch device comprises a touch pad and a processing module. The touch pad is molded along a trace in general. The section area of the touch pad is increased gradually from a first end of the trace to a second end thereof. The processing module is used for providing the input signal to the computer device. When a finger moves on the touch pad, the processing module generates the input signal related to the finger according to the variable quantity of the capacitance value of the touch pad. The invention uses a capacitor type touch pad with the appearance of gradually increased section area as a single trace line to lessen the quantity of the trace line of the prior capacitor type touch pad so as to reduce the cost and simplify the application circuit.
Description
Technical field
The present invention is relevant for a kind of contactor control device and touch control method thereof, and the capacitive touch control plate that particularly has a cumulative sectional area external form about utilization is used as the contactor control device and the touch control method thereof of single trace.
Background technology
At present in the world science and technology is maked rapid progress, and has been different from over epoch of industry and commerce society and rural society.Along with information age arriving and computer utility are popularized gradually, the Internet is borderless especially, sees through the personal computer online, and various information is extremely easy to obtain.And general electronic products; For example: personal computer (Personal Computer; PC), notebook computer (notebook computer) and PDA (Personal Digital Assistant; PDA) etc. because cost reductions, function raising, volume-diminished, weight saving and have more the advantages such as interface of affinity, make its widely generally common people accept.In addition; On the display of these electronic products (dispaly), can utilize graphic user interface (Graph User Interface, technology GUI); Supply the user of this electronic product; Simply, apace, by the action of moving, clicking the cursor that this display shows, to control the function of this electronic product.
Capacitive touch control plate is because volume is little, cost is low, consumed power is low and long service life; Therefore be widely used on each electronic product; For example notebook computer, mouse, MP3 player; Mobile phone or the like even, as pointing input device, the user only needs on panel, to slide or contact with object (the for example electric conductivity object of finger or pointer and so on); Cursor is produced relatively move or absolute coordinates moves, can accomplish various inputs such as comprising character calligraph, scrolling window and virtual key.The principle of work of capacitive touch control plate can be referring to U.S. Pat 4550310 in the prior art.
Capacitive touch control plate can provide multiple input pattern; For example handwriting input, figure input, button input, mouse mode etc.; Capacitance variation for fear of detecting is non-linear, and the capacitive touch control plate of convention all is designed to slab construction to obtain linear detection signal.Traditional capacitive touch control plate can be by the capacitance change of detecting with many inductors of matrix form configuration; Judge that finger touches the exact position of its panel, and change moving direction, amount of movement and the translational speed of judging finger by the touch location of finger on Trackpad.See also Figure 1A and Figure 1B.Figure 1A is the synoptic diagram of the induction framework of the capacitive touch control plate 10 of convention.Figure 1B senses the synoptic diagram of capacitance change for the capacitive touch control plate 10 among Figure 1A.Shown in Figure 1A, have a plurality of inductors 12 on the capacitive touch control plate 10, and the corresponding separately trace independently of each inductor 12.These traces X1-X8 can be construed as row's sweep trace 16.When finger touches capacitive touch control plate 10, will produce the capacitance change shown in Figure 1B through these inductors 12 that scan, by this to judge the definite position of finger on capacitance type touch-control panel 10.For example, the distribution among Figure 1B is represented to point on the inductor 12 that trace X5 connects.When finger slides on capacitive touch control plate 10, produce the maximum position of capacitance change and also move thereupon.After this, the change in location that can be touched by finger is judged moving direction, amount of movement and the translational speed of finger, after changing, sees off immediately to follow-up 14 again and handles.
Yet, to get over for a long time when the number of inductor 12, the number of its pairing trace also can be many more.This phenomenon has also increased the complexity of the application circuit in the controller 14 of capacitive touch control plate 10 indirectly.Relatively, the size of chip, its manufacturing also will inevitably improve with packaging cost.
Summary of the invention
In view of this; The present invention provides a kind of contactor control device and touch control method thereof; The capacitive touch control plate that its utilization has cumulative sectional area external form is used as single trace, and only needs single inductor can reach accurate sensing to point the moving direction of relative capacitive touch control plate, amount of movement and translational speed.The number of traces that by this, can reduce capacitive touch control plate in the past is to reduce cost and to simplify application circuit.
One of the object of the invention is to provide a kind of contactor control device.Contactor control device of the present invention mainly can provide input signal to computer installation.Computer installation is according to the input signal executive utility.Contactor control device includes Trackpad and processing module.Trackpad is substantially along a track moulding.The sectional area of Trackpad is cumulative towards second end from first end of track.Processing module is electrically connected to Trackpad.Processing module can be used to provide input signal to computer installation.Input signal comprises moving direction.By this, when finger moved on Trackpad, processing module can be judged the moving direction that finger is produced according to the capacitance variation amount of Trackpad on Trackpad.
Another object of the present invention is to provide a kind of touch control method.Touch control method of the present invention supplies the finger touch Trackpad.Trackpad is substantially along a track moulding, and the sectional area of Trackpad is cumulative towards second end from first end of track.Touch control method comprises the following step.At first, according to touch control method execution in step of the present invention (a): acquisition is about first capacitance of Trackpad.Then, according to touch control method execution in step of the present invention (b): whether the first concussion frequency of judging corresponding first capacitance less than with reference to the concussion frequency, if, execution in step (c) then, if not, execution in step (a) again then.Subsequently, according to touch control method execution in step of the present invention (c): acquisition is about second capacitance of Trackpad.Then, according to touch control method execution in step of the present invention (d): whether judge the second concussion frequency that should second capacitance less than this with reference to the concussion frequency, if, execution in step (e) then, if not, execution in step (a) again then.At last, according to touch control method execution in step of the present invention (e): judge the moving direction of pointing relative Trackpad according to the first concussion frequency and the second concussion frequency.
Compared to known techniques; Contactor control device of the present invention and touch control method thereof mainly utilize the capacitive touch control plate with cumulative sectional area external form to be used as single trace, and only need single inductor can reach accurate sensing to point the moving direction of relative capacitive touch control plate, amount of movement and translational speed.The number of traces that by this, can reduce capacitive touch control plate in the past is to reduce cost and to simplify application circuit.
Description of drawings
Figure 1A is the synoptic diagram of the induction framework of the capacitive touch control plate of convention.
Figure 1B senses the synoptic diagram of capacitance change for the capacitive touch control plate among Figure 1A.
Fig. 2 A is the schematic appearance according to the contactor control device of first preferred embodiment of the present invention.
Fig. 2 B is the functional block diagram of the contactor control device among Fig. 2 A.
Fig. 3 is the schematic appearance according to the contactor control device of second preferred embodiment of the present invention.
Fig. 4 is the flow chart of steps according to the touch control method of a preferred embodiment of the present invention.
Embodiment
For making the object of the invention, structure, characteristic and function thereof there are further understanding, cooperate embodiment to specify as follows now.
The present invention provides a kind of contactor control device and touch control method thereof.And more particularly, the capacitive touch control plate that its utilization has cumulative sectional area external form is used as single trace, and only needs single inductor can reach accurate sensing to point the moving direction of relative capacitive touch control plate, amount of movement and translational speed.
See also Fig. 2 A and Fig. 2 B.Fig. 2 A is the schematic appearance according to the contactor control device 3 of first preferred embodiment of the present invention.Fig. 2 B is the functional block diagram of the contactor control device 3 among Fig. 2 A.Shown in Fig. 2 A, contactor control device 3 of the present invention can be used to provide input signal to computer installation 2.Computer installation 2 can be further according to the input signal executive utility.Computer installation 2 among Fig. 2 A is an example with general common main frame, but not as limit.In other words, so long as have electronic installation (for example, notebook computer, PDA, intelligent mobile phone, the handheld game device of touch controllable function ... Deng), the contactor control device 3 that all can adopt structure of the present invention to simplify carries out the input of touching signals.Below will do more deep introduction and more detailed explanation, and comprise structure and its function at each position in it and make flowing mode to the contactor control device 3 of this specific embodiment.
Shown in Fig. 2 A, the contactor control device 3 of this preferred embodiment of the present invention consists predominantly of Trackpad 30 and processing module 32.Trackpad 30 is substantially along a projected path 300 moulding.Special, the sectional area of Trackpad 30 is cumulative towards second end 3002 from first end 3000 of track 300.In this preferred embodiment, the sectional area of Trackpad 30 is cumulative towards second end 3002 smooth-goingly from first end 3000 of track 300, and then acquisition forms, and its external form is leg-of-mutton Trackpad 30 shown in Fig. 2 A.Certainly, if special-effect or special applications, that the profile of Trackpad 30 also can be is stepped, zigzag or special external form such as wavy.As long as the sectional area of Trackpad 30 is cumulative towards second end 3002 from first end 3000 of track 300, all can realize 3 effects of desiring to reach of contactor control device of the present invention.
Be shown in equally among Fig. 2 A, above-mentioned processing module 32 is electrically connected to Trackpad 30.And processing module 32 can be used to provide input signal to computer installation 2.Wherein, input signal comprises moving direction.By this, when finger 4 moved on Trackpad 30, processing module 32 can be judged the moving direction that finger 4 is produced according to the capacitance variation amount of Trackpad 30 on Trackpad 30.Below will further specify processing module 32 is used for judging the moving direction that finger 4 is produced on Trackpad 30 judgement principle.
As stated; When finger 4 between the very first time and second time constantly during touch-control Trackpad 30; Processing module 32 can receive about first capacitance through the Trackpad 30 of touch-control in the very first time; Receive about second capacitance in second time, and can judge according to the capacitance variation amount between first capacitance and second capacitance and point 4 moving directions that on Trackpad 30, produced through the Trackpad 30 of touch-control.
Be noted that between finger 4 and the Trackpad 30 to have a contact area at this.When finger 4 carried out touch-control on Trackpad 30, contact area can be cumulative towards second end 3002 from first end 3000.Therefore, finger 4 can produce different capacitances in the very first time and second time on Trackpad 30 because point 4 and Trackpad 30 between different in the very first time and pairing contact area of second time.By this, when moving, capacitance will diminish towards having the long-pending part of small cross sections (that is, towards first end 3000) on Trackpad 30 when finger 4; When finger 4 on Trackpad 30 when the part with larger sectional area (that is, towards second end 3002) moves, it is big that capacitance will become.
Further, according to above-mentioned judgement principle, if first capacitance and capacitance variation amount between second capacitance be on the occasion of, then processing module 32 decidables are pointed 4 moving direction by being the direction of first end 3000 of track 300 towards second end 3002.Relatively, if the capacitance variation amount between first capacitance and second capacitance is a negative value, then processing module 32 decidable moving directions are by second end 3002 of track 300 direction towards first end 3000.
Shown in Fig. 2 B, in order to implement above-mentioned arbitration functions, according to the contactor control device 3 of this preferred embodiment of the present invention, its processing module 32 can further include first oscillator 320 and judging unit 324.First oscillator 320 is electrically connected to Trackpad 30.And first oscillator 320 can be used to shake according to the first concussion frequency of corresponding first capacitance in the very first time, and shakes according to the second concussion frequency of corresponding second capacitance in second time.Judging unit 324 is electrically connected to first oscillator 320.And judging unit 324 can be used to judge according to the concussion frequency variation between the first concussion frequency and the second concussion frequency moving direction of finger 4 relative Trackpads 30.Wherein, concussion frequency variation and above-mentioned capacitance variation amount have corresponding relation.
In addition; Continue to contact and measured under the situation of Trackpad 30 in order to ensure being all finger 4 with the above-mentioned very first time and the second time corresponding first capacitor value and second capacitance respectively; According to the contactor control device 3 of this preferred embodiment of the present invention, its processing module 32 also can further include second oscillator 322.Second oscillator 322 is electrically connected to judging unit 324.And second oscillator 322 can be used to shake with reference to the concussion frequency according to one.When the first concussion frequency of corresponding first oscillator 320 was shaken frequency less than the reference of corresponding second oscillator 322, judging unit 324 judged that promptly Trackpad 30 is just receiving the touch-control of finger 4.Extension by second oscillator 322 is used, and can guarantee to be all following measurement of situation that finger 4 continues to contact Trackpad 30 with the above-mentioned very first time and the second time corresponding first capacitor value and second capacitance respectively.
In one embodiment; By contactor control device proposed by the invention 3, above-mentioned application program can fit applications in carrying out the for example operational orders such as vertical scrolling (V-scrolling), volume, convergent-divergent (zoom in/zoom out) or rotation of the horizontal scrolling of window (H-scroll), window.See also table one and table two.Table one is the example of contactor control device 3 of the present invention according to the zoom operations instruction of this specific embodiment.Table two is the example of contactor control device 3 of the present invention according to the rotary manipulation instruction of this specific embodiment.Below only do detailed explanation to zoom operations instruction and rotary manipulation instruction.
Table one
| The lasting time (second) of moving towards an end of track | Convergent-divergent increases ratio (%) |
| |
50 |
| 2N | 100 |
| 3N | 150 |
| 4N | 200 |
Table two
| The lasting time (second) of moving towards an end of track | The anglec of rotation (degree) |
| N | 90 |
| 2N | 180 |
| 3N | 270 |
| 4N | 360 |
Shown in table one and table two, table one and table two only will be pointed 4 and on Trackpad 30, move and be divided into four-stage and describe as example.If make the object of desire operation carry out convergent-divergent according to the instruction of the zoom operations of table one, when finger 4 moves N during second along second end 3002 of track 300 constantly on Trackpad 30, the object of desire operation will amplify 50%.In other words, the object of desire operation will be enlarged into originally 1.5 times.When finger 4 moves 2N during second along second end 3002 of track 300 constantly on Trackpad 30, the object of desire operation will amplify 100%.In other words, the object of desire operation will be enlarged into originally 2 times.Likewise, when finger 4 moves 3N second and 4N respectively during second along second end 3002 of track 300 constantly on Trackpad 30, the object of desire operation will can amplify 150% and 200% respectively, that is be enlarged into respectively 2.5 times of script with 3 times.Hence one can see that, when finger 4 on the Trackpad 30 constantly along the time that second end 3002 of track 300 moves when more of a specified duration, the enlargement factor of the object of desire operation will be big more.On the contrary, when finger 4 on the Trackpad 30 constantly along the time that first end 3000 of track 300 moves when more of a specified duration, the enlargement factor of the object of desire operation will be more little, its principle is identical with the process of above-mentioned amplification, so repeats no more.
Be noted that at this; In practical application; The zoom operations instruction is not limited to the stage shown in table one; The time that per stage finger 4 continues touch-control Trackpads 30 also is not limited to have the multiple relation, and per stage corresponding zoom also is not limited to the magnification ratio shown in table one, the required or restriction faced during visual application program actual design and resilient variation.
In addition, for example, if according to the instruction of the rotary manipulation of table two object of desire operation is rotated, when finger 4 moves N during second along second end 3002 of track 300 constantly on Trackpad 30, the object of desire operation will turn 90 degrees in dextrorotation.When finger 4 moves 2N during second along second end 3002 of track 300 constantly on Trackpad 30, the object of desire operation will the dextrorotation turnback.When finger 4 moves 3N second and 4N respectively during second along second end 3002 of track 300 constantly on Trackpad 30, the object of desire operation 270 degree that will can turn clockwise are respectively spent with 360.Hence one can see that, when finger 4 on the Trackpad 30 constantly along the time that second end 3002 of track 300 moves when more of a specified duration, the stage that the object that desire is operated turns clockwise will get over repeatedly.On the contrary, when finger 4 on the Trackpad 30 constantly along the time of first end 3000 of track 300 when more of a specified duration, the stage that the object of desire operation is rotated counterclockwise will get over repeatedly, its principle is identical with the above-mentioned process that turns clockwise, so repeats no more.
Be noted that at this; In practical application; The rotary manipulation instruction is not limited to the stage shown in table two; The time that per stage finger 4 continues touch-control Trackpad 30 also is not limited to have the multiple relation; Finger 4 also is not limited to be CW towards second end, 3002 pairing sense of rotation on Trackpad 30, and the pairing anglec of rotation of per stage also is not limited to the anglec of rotation shown in table two, the required or restriction faced during visual application program actual design and resilient variation.
See also Fig. 3.Fig. 3 is the schematic appearance according to the contactor control device 5 of second preferred embodiment of the present invention.As shown in Figure 3, the contactor control device 5 of this specific embodiment comprises Trackpad 50 and processing module 52 equally.Trackpad 50 is substantially along a track 500 moulding.The sectional area of Trackpad 50 is cumulative towards second end 5002 from first end 5000 of track 500 equally.Framework, the assembly of the contactor control device 5 in second preferred embodiment and make flowing mode, all with Fig. 2 A in first preferred embodiment contactor control device 3 framework, assembly and to make flowing mode the same, therefore repeat no more.
What this needed special proposition explanation be; The difference of the contactor control device 5 in second preferred embodiment and the contactor control device 3 of first preferred embodiment among Fig. 2 A; The shape of the Trackpad 30 in the contactor control device 3 of first preferred embodiment is substantially triangle, and the shape of the Trackpad 50 in the contactor control device 5 of second preferred embodiment is substantially circle.Therefore, the contactor control device 5 according to second preferred embodiment of the present invention can provide extra special applications.For example, the contactor control device 5 according to second preferred embodiment of the present invention may be implemented on the circular touch-control rotating disk of the Ipod MP3 player of releasing like Apple Computer Company.
See also Fig. 4 and consult Fig. 2 A and Fig. 2 B in the lump.Fig. 4 is the flow chart of steps according to the touch control method of a preferred embodiment of the present invention.Touch control method of the present invention mainly supplies to point 4 touch-control Trackpads 30.Below explain with the contactor control device 3 of Fig. 2 A and Fig. 2 B.Trackpad 30 is substantially along a track 300 moulding, and the sectional area of Trackpad 30 is cumulative towards second end 3002 from first end 3000 of track 300.The touch control method of this preferred embodiment of the present invention comprises the following step.
As shown in Figure 4, according to the touch control method of this preferred embodiment of the present invention execution in step S100 at first: acquisition is about first capacitance of Trackpad 30.Capturing the mode of first capacitance, is that first oscillator 320 among Fig. 2 B is shaken according to the first concussion frequency of corresponding first capacitance.By this, judging unit 324 can be learnt first capacitance, first concussion frequency pairing with it.
Then, according to the touch control method execution in step S102 of this preferred embodiment of the present invention: whether the first concussion frequency of judging corresponding first capacitance is less than with reference to the concussion frequency.Wherein, with reference to shaking frequency by 322 generations of second oscillator among Fig. 2 B.By this, judging unit 324 can learn simultaneously first capacitance pairing with it first the concussion frequency and with reference to the concussion frequency, and further judge first the concussion frequency with reference to the concussion frequency size.
If the judged result of step S102 is not for, execution in step S100 again then.If the judged result of step S102 is to be, then further according to the touch control method execution in step S104 of this preferred embodiment of the present invention: acquisition is about second capacitance of Trackpad 30.Capturing the mode of second capacitance, is that first oscillator 320 among Fig. 2 B is shaken according to the second concussion frequency of corresponding second capacitance equally.By this, judging unit 324 can be learnt second capacitance, second concussion frequency pairing with it.
Then, according to the touch control method execution in step S106 of this preferred embodiment of the present invention: whether the second concussion frequency of judging corresponding second capacitance is less than with reference to the concussion frequency.As stated, be by 322 generations of second oscillator among Fig. 2 B with reference to the concussion frequency.By this, judging unit 324 can learn simultaneously second capacitance pairing with it second the concussion frequency and with reference to the concussion frequency, and further judge second the concussion frequency with reference to the concussion frequency size.
If the judged result of step S106 is not for, execution in step S100 again then.If the judged result of step S106 is to be, then further according to the touch control method execution in step S108 of this preferred embodiment of the present invention: judge whether the second concussion frequency shakes frequency less than first.Likewise, the size of the first concussion frequency and the second concussion frequency is carried out by the judging unit among Fig. 2 B 324.
After judging via judging unit 324, can obtain following two kinds of results.If judge the second concussion frequency, then further according to the touch control method execution in step S110 of this preferred embodiment of the present invention: judge that moving direction is the direction of first end 3000 towards second end 3002 less than the first concussion frequency.And, after the completing steps S110, execution in step S100 again immediately.Relatively, if judge the second concussion frequency, then further according to the touch control method execution in step S112 of this preferred embodiment of the present invention: judge that moving direction is the direction of second end 3002 towards first end 3000 greater than the first concussion frequency.And, after the completing steps S112, execution in step S100 again immediately.
Therefore,, be all following measurement of situation that finger continues to contact Trackpad, more can judge the moving direction of pointing relative Trackpad effectively except guaranteeing first capacitance and second capacitance by the touch control method of this preferred embodiment of the invention described above.
By above detailed description for preferred embodiment of the present invention; Can find out significantly; Contactor control device of the present invention and touch control method thereof mainly utilize the capacitive touch control plate with cumulative sectional area external form to be used as single trace, and only need single inductor can reach accurate sensing to point the moving direction of relative capacitive touch control plate, amount of movement and translational speed.The number of traces that by this, can reduce capacitive touch control plate in the past is to reduce cost and to simplify application circuit.
The present invention is described by above-mentioned related embodiment, yet the foregoing description is merely the example of embodiment of the present invention.Must be pointed out that the embodiment that has disclosed does not limit scope of the present invention.On the contrary, change and retouching not breaking away from the spirit and scope of the present invention to be done all belong to scope of patent protection of the present invention.
Claims (11)
1. contactor control device, in order to provide input signal to computer installation, this computer installation is characterized in that according to this input signal executive utility this contactor control device comprises:
Trackpad, along a track moulding, wherein the sectional area of this Trackpad is cumulative towards second end from first end of this track; And
Processing module; Be electrically connected to this Trackpad; In order to provide this input signal to this computer installation, this input signal comprises moving direction, when finger moves on this Trackpad; This processing module is judged this moving direction that this finger is produced according to the capacitance variation amount of this Trackpad on this Trackpad.
2. contactor control device according to claim 1; It is characterized in that: when this finger between the very first time and second time constantly during this Trackpad of touch-control; This processing module received about this first capacitance through the Trackpad of touch-control in this very first time; Receive about this second capacitance in this second time, and judge this moving direction that this finger is produced on this Trackpad according to this capacitance variation amount between this first capacitance and this second capacitance through the Trackpad of touch-control.
3. contactor control device according to claim 2 is characterized in that this processing module further comprises:
First oscillator is electrically connected to this Trackpad, is used to this according to the first concussion frequency that should first capacitance is shaken very first time, and in this second time according to the second concussion frequency that should second capacitance is shaken; And
Judging unit; Be electrically connected to this first oscillator; In order to judge this finger this moving direction of this track relatively, wherein should shake frequency variation to should the capacitance variation amount according to this first concussion frequency and the concussion frequency variation of this second concussion between the frequency.
4. contactor control device according to claim 3; It is characterized in that: this processing module further comprises second oscillator; Be electrically connected to this judging unit; In order to according to shaking with reference to the concussion frequency, when this first concussion frequency less than this with reference to concussion during frequency, this judging unit judges that this Trackpad receives this finger touch.
5. contactor control device according to claim 1; It is characterized in that: if this capacitance variation amount on the occasion of; Then this processing module judges that this moving direction is the direction of this first end towards this second end; If this capacitance variation amount is a negative value, then this processing module judges that this moving direction is the direction of this second end towards this first end.
6. contactor control device according to claim 1 is characterized in that: have a contact area between this finger and this Trackpad, point when on this Trackpad, carrying out touch-control when this, this contact area is cumulative towards this second end from this first end.
7. contactor control device according to claim 1 is characterized in that: the sectional area of this Trackpad from this first hold level with both hands along ground cumulative towards this second end.
8. contactor control device according to claim 1 is characterized in that: the executable function of this application program is selected from the one of which in the colony that is made up of vertical scrolling, volume, convergent-divergent and the rotation of the horizontal scrolling of window, window.
9. contactor control device according to claim 1 is characterized in that: this track is straight path or circular trace.
10. a touch control method supplies the finger touch Trackpad, and this Trackpad is along a track moulding, and the sectional area of this Trackpad is cumulative towards second end from first end of this track, it is characterized in that this touch control method comprises the following step:
(a) acquisition is about first capacitance of this Trackpad;
(b) judge the first concussion frequency that should first capacitance whether less than with reference to the concussion frequency, if, execution in step (c) then, if not, execution in step (a) again then;
(c) acquisition is about second capacitance of this Trackpad;
(d) whether judge the second concussion frequency that should second capacitance less than this with reference to the concussion frequency, if, execution in step (e) then, if not, execution in step (a) again then; And
(e) judge this finger moving direction of this Trackpad relatively according to this first concussion frequency and this second concussion frequency.
11. touch control method according to claim 10 is characterized in that step (e) further comprises the following step:
(e3) judge this second concussion frequency whether less than this first concussion frequency, if, execution in step (f) then, if not, execution in step (g) then;
(f) judge this moving direction for this first end towards the direction of this second end, and execution in step (a) again; And
(g) judge this moving direction for this second end towards the direction of this first end, and execution in step (a) again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100082481A CN101488068B (en) | 2009-02-13 | 2009-02-13 | Touch control apparatus and its touch control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100082481A CN101488068B (en) | 2009-02-13 | 2009-02-13 | Touch control apparatus and its touch control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101488068A CN101488068A (en) | 2009-07-22 |
| CN101488068B true CN101488068B (en) | 2012-05-09 |
Family
ID=40890982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100082481A Active CN101488068B (en) | 2009-02-13 | 2009-02-13 | Touch control apparatus and its touch control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101488068B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110021062A (en) * | 2009-08-25 | 2011-03-04 | 삼성전자주식회사 | Computer system and control method thereof |
| US8692785B2 (en) * | 2010-09-29 | 2014-04-08 | Byd Company Limited | Method and system for detecting one or more objects |
| CN102221921B (en) * | 2011-03-25 | 2013-09-25 | 苏州瀚瑞微电子有限公司 | Wiring method for touch screen key and structure thereof |
| CN107728836A (en) * | 2017-09-26 | 2018-02-23 | 出门问问信息科技有限公司 | Recognition methods, device and the electronic equipment of touch operation |
| CN108388375B (en) * | 2018-03-01 | 2021-10-22 | 京东方科技集团股份有限公司 | Touch sensor and touch display device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4550310A (en) * | 1981-10-29 | 1985-10-29 | Fujitsu Limited | Touch sensing device |
| CN1497852A (en) * | 2002-10-22 | 2004-05-19 | ������������ʽ���� | Electronic equipment with touch sensor |
| CN1801069A (en) * | 2004-12-31 | 2006-07-12 | 义隆电子股份有限公司 | Capacitance type touch panel and detection method thereof |
| CN101187846A (en) * | 2005-09-07 | 2008-05-28 | 义隆电子股份有限公司 | Touch control panel inductor |
-
2009
- 2009-02-13 CN CN2009100082481A patent/CN101488068B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4550310A (en) * | 1981-10-29 | 1985-10-29 | Fujitsu Limited | Touch sensing device |
| CN1497852A (en) * | 2002-10-22 | 2004-05-19 | ������������ʽ���� | Electronic equipment with touch sensor |
| CN1801069A (en) * | 2004-12-31 | 2006-07-12 | 义隆电子股份有限公司 | Capacitance type touch panel and detection method thereof |
| CN101187846A (en) * | 2005-09-07 | 2008-05-28 | 义隆电子股份有限公司 | Touch control panel inductor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101488068A (en) | 2009-07-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8471822B2 (en) | Dual-sided track pad | |
| TWI291161B (en) | Automatic switching for a dual mode digitizer | |
| CN105683886B (en) | For in touching application with the method and apparatus of anti-strong noise coordinates computed | |
| US20120086647A1 (en) | Displays for Electronic Devices that Detect and Respond to the Contour and/or Height Profile of User Input Objects | |
| US20090289902A1 (en) | Proximity sensor device and method with subregion based swipethrough data entry | |
| CN101488068B (en) | Touch control apparatus and its touch control method | |
| CN105637374A (en) | Detect and differentiate touches from different size conductive objects on a capacitive button | |
| WO2010132076A1 (en) | Displays for electronic devices that detect and respond to the size and/or angular orientation of user input objects | |
| KR20040105207A (en) | Touchpad having fine and coarse input resolution | |
| US10564770B1 (en) | Predictive touch detection | |
| TWI518580B (en) | Portable apparatus and operation method thereof | |
| CN106371745B (en) | A kind of interface switching method and mobile terminal | |
| US9417717B2 (en) | Methods for interacting with an electronic device by using a stylus comprising body having conductive portion and systems utilizing the same | |
| KR20130002983A (en) | Computer keyboard with integrated an electrode arrangement | |
| US20120169640A1 (en) | Electronic device and control method thereof | |
| US20070040812A1 (en) | Internet phone integrated with touchpad functions | |
| CN101482799A (en) | Method for controlling electronic equipment through touching type screen and electronic equipment thereof | |
| CN102207782A (en) | Touch-control device and touch-control method thereof | |
| CN107643867A (en) | A kind of display methods and mobile terminal | |
| Akhtar et al. | A review of sensing technologies for small and large-scale touch panels | |
| CN103257724B (en) | A kind of non-contact type mouse and method of operating thereof | |
| CN103576997A (en) | Method for touch identification of surface capacitance type touch panel | |
| CN104615361A (en) | Electronic equipment and response method | |
| CN101739165B (en) | Electronic device and control method thereof | |
| TWI478017B (en) | Touch panel device and method for touching the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |