CN1627244A - Method for identifying single clicking action and controller - Google Patents
Method for identifying single clicking action and controller Download PDFInfo
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- CN1627244A CN1627244A CNA2003101225663A CN200310122566A CN1627244A CN 1627244 A CN1627244 A CN 1627244A CN A2003101225663 A CNA2003101225663 A CN A2003101225663A CN 200310122566 A CN200310122566 A CN 200310122566A CN 1627244 A CN1627244 A CN 1627244A
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Abstract
This invention provides a method for identifying one stroke operation, which tests the happening of an operation and begins timing when a subject contacts with a touch-control device, then tests the finish of the operation of the contact so as to get the first time distance of the contact and timing is finished after second time distance is timed. If the second time distance is greater than the first, the first one is greater than a preset one, if operation is generated with the contact only one contact time greater than the preset time distance in said second time distance, the control signal expressing the one stroke operation will be generated.
Description
Technical field
The present invention relates to a kind of click action discrimination method of contactor control device, particularly relate to and a kind ofly can effectively suppress noise, improve the discrimination method of discrimination power, and the controller that uses this method.
Background technology
Trackpad (touch pad) is a kind of input media of hommization, because input medias such as keyboard, mouse, trace ball failed to fill the demand that part is satisfied the user in the past, again because of design of electronic products now all with light, thin, short, little be orientation, from the input media of all kinds being integrated in wherein, and Trackpad can be done the multi-level menu designing requirement except meeting, the mode of operation that also can have hommizations such as keyboard, mouse and handwriting input simultaneously is so become most popular selection.
Consult Fig. 1, Trackpad 10 is after producing the simulating signal of voltage, carried out analog/digital conversion and calculated the coordinate values at touch point place via a controller 20, whether the user of identification simultaneously produces one is clicked (tap, or click), double-click (double tap, or double click), towing (drag), with move (movement) wait move after, will transmit relevant controlling signal on the main frame 30, so that the vernier on the screen 40 of further main control system 30 moves, clicks actions such as object, execution formula.
In the controller 20, its analog/digital converter (figure does not show) is subjected to extraneous noise (noise) easily, for example electromagnetic interference, except need the careful layout of circuit, the various wave filters of increase of controller 20 inside being solved this problem, more need add suitable sampling, identification algorithm, otherwise noise very easily causes of short duration false pushing or false phenomenon such as leave, and causes controller 20 to produce erroneous judgement for action.
The U.S. the 6th, 380, No. 931 patent cases have disclosed " clicking " action identifying method of a kind of contactor control device, below with its synopsis as an illustration.As shown in Figure 2, whether it detects earlier has object (for example pointer) to be contacted with (as step 201) on the contactor control device, then relatively whether this object is contacted with time T on the contactor control device less than a predetermined value Tmax (as step 202), and determine that more whether moving range (displacement) S of this object on this contactor control device be less than a predetermined value Smax (step 203), after meeting above-mentioned two qualificationss, judge that just this is one " clicking " action, and then the coordinate information that transmits the control signal of an expression " clicking " and striking position is to main frame.Yet, this method for easily cause false push the noise of phenomenon and fail effectively suppress, particularly for the calculating in response to two kinds of restrictive conditions (duration of contact, and moving range), the building of its logical circuit is set to that this is also higher.
Summary of the invention
The object of the present invention is to provide and a kind ofly can filter unnecessary noise effectively, " click " the click action discrimination method and the controller thereof of accuracy of action to increase identification.
So, controller of the present invention is used for the action of at least one object of identification on this contactor control device, to send corresponding to the controlling signal on the main frame of this action, this controller comprises a coordinate computing unit, a contact detection unit, a timing unit, an arithmetic element, and a coding unit.
This coordinate computing unit is to be used for detecting the electronic signal that this contactor control device sends, and is contacted with coordinate position on this contactor control device to calculate this object.This contact detection unit is to be used for detecting the electronic signal that this contactor control device sends, and whether contacts with this contactor control device to judge this object.
The result that arithmetic element can be judged according to this contact detection unit, when calculating this object and finishing this contact action, contacted first o'clock distance of this object and this contactor control device, this arithmetic element judge at this first o'clock apart from less than second o'clock apart from and this first o'clock apart from greater than a pre-regularly distance, when producing greater than the striking action of this pre-regularly distance apart from interior duration of contact for once with this second o'clock, this arithmetic element will produce the control signal of an expression click action.
Coding unit is encoded in order to the coordinate position that control signal that this arithmetic element produced and this coordinate arithmetic element are produced, and is sent on this main frame.
The discrimination method of click action of the present invention at first is to detect action that this object contacts this contactor control device to take place and pick up counting, and then detects the release that this object contacts this contactor control device, to obtain contacted first o'clock distance of this object and this contactor control device.At last, when this first the time apart from less than one second the time apart from and greater than a pre-regularly distance, when produced greater than the striking action of this pre-regularly distance apart from interior duration of contact for once, produce the control signal of an expression click action at this second o'clock.
In simple terms, the present invention except second o'clock apart from interior whether for once striking move judge, go up more this object be contacted with this contactor control device the time apart from whether greater than this pre-regularly apart from and less than the condition restriction of second o'clock distance, therefore can suppress noise effectively, increase identification and move parasexuality really, more preferably, owing to do not need to utilize moving range to be used as restrictive condition in the past, be set to this and reduce power consumption or the like so can reduce building of logical circuit.
For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.
Description of drawings
Fig. 1 is a synoptic diagram, and the relation between a contactor control device, a controller and a main frame is described;
Fig. 2 is a process flow diagram, and the step of the 6th, 380, No. 931 click action discrimination methods that the patent case is disclosed of the U.S. is described;
Fig. 3 is a synoptic diagram, and a preferred embodiment of the controller of contactor control device of the present invention is described;
Fig. 4 is a process flow diagram, and the step of the discrimination method of click action of the present invention is described; And
Fig. 5 is a sequential chart, illustrates that the present invention produces corresponding control signal according to correct click action.
Embodiment
Consult Fig. 3, the controller 100 of contactor control device 300 of the present invention is to be used for the action of identification one object 200 on this contactor control device 300, to send controlling signal on the main frame 400 corresponding to this action.Be noted that contactor control device 300 can be made a general reference condenser type, inductance type and other similar contactor control device 300, in this example, be meant a capacitive contactor control device 300 especially.
Object 200 is to be used for contacting with contactor control device 300, be exactly according to the action of object 200 on contactor control device 300, can make controller 100 send out expression the corresponding of its action controls signal on the main frame 400, general these control signals can be divided into coordinate variation, click, double-click, pull, move, scrolling, left button, right button, middle key etc.., further to simulate the behavior of mouse, keyboard.Certainly, object 200 needs match with contactor control device 300, the contactor control device 300 of electric capacity for example, and object 200 is human fingers, or other kind conductor.
Main frame 400 is meant various electronic installations, for example the telepilot of desktop computer, notebook computer, panel computer, PDA(Personal Digital Assistant), mobile phone, various electrical appliances, perhaps other contactor control device 300 electronic installation as input media of arranging in pairs or groups.
The preferred embodiment of this controller 100 comprises an analog/digital conversion unit 1, coordinate computing unit 2, a contact detection unit 3, an arithmetic element 4, a coding unit 5, a tunnel interface module 6, and a timing unit 7.
Because contactor control device 300 respectively has plurality of wires to distribute respectively on X, Y direction, so when object 200 touches contactor control device 300, then can produce capacitance variation on the contactor control device 300, therefore can for example calculate numerical value such as coordinate values by the variable quantity that measures voltage.
Analog/digital conversion unit 1 is to be connected with this contactor control device 300, and can be converted to different voltage swings corresponding digital signal, so that follow-up processing.After the digital signal that coordinate computing unit 2 comes receiving that analog/digital conversion unit 1 transmits, will this digital signal decoding be a corresponding absolute coordinates value (X, Y).
Whether contact detection unit 3 can detect on the present contactor control device 300 and be pushed by object, the X that is transmitted according to contactor control device 300, Y voltage signal exactly, can calculate object 200 and impose on time length on the contactor control device 300, the judgement of actions such as the parameter of this time length relates to and clicks, double-clicks, towing.
Arithmetic element 4 is to be connected with coordinate computing unit 2, contact detection unit 3, arithmetic element 4 mainly is the result that can be judged according to contact detection unit 3, be aided with arithmetic element 4 built-in logical calculus methods of putting again, just can judge action that the user carries out whether meet click, double-click, condition such as towing, because the present invention is the differentiation of being absorbed on the click action, will be in hereinafter doing a detailed description about this part.
Except the differentiation of action, arithmetic element 4 also can provide rate of travel, exactly after many group absolute coordinates values are orderly sent to arithmetic element 4, arithmetic element 4 also can be according to the otherness of the different coordinates in front and back, calculate the rate of travel of object 200 on contactor control device 300, parameters such as speed, direction, distance even are so to transmitting absolute coordinates or rate of travel to main frame 400, look closely the application demand on the main frame 400 and decide.
Therefore coding unit 5 is to be connected with arithmetic element 4, can receive absolute coordinates signal, the rate of travel signal that arithmetic element 4 is produced, or touching signals (comprise click, double-click, action such as towing).Coding unit 5 can be different signals, are encoded to the handwriting input agreement handled for the operating system of main frame 400 or standard mouse agreement etc., for example the PS/2 mouse standard agreement of the mouse standard agreement of Microsoft company, IBM Corporation.
Tunnel interface module 6, its effect is the signal that is coding unit 5 after coded, be sent on the main frame 400 in the sequence mode, with the desktop computer is example, be to be sent on keyboard controller (figure does not show) or the south bridge wafer (figure does not show), so that the processor in the main frame 400 is sent interrupt request (IRQ), make main frame 400 can further obtain coordinate position, carry out call parameter such as action, further carry out mobile, the selection of formula of vernier or the actions such as execution of formula.
Consult Fig. 4 and Fig. 5, the discrimination method of click action of the present invention is at first shown in step 401,402, the action that utilizes contact detection unit 3 to come inspected object 200 to be contacted with on the contactor control device 300 takes place, among Fig. 5 during T1 the positive edge (electronegative potential changes the transient state between noble potential into) apart from waveform be exactly the generation of abutment action, arithmetic element 4 and control a timing unit 7 and pick up counting simultaneously.
Then, as step 403, after being contacted with contactor control device 300 the preceding paragraph time T 1 (distance when referring to first), object 200 leaves, contact detection unit 3 can detect object 200 and be contacted with release on the contactor control device 300, is exactly the negative edge (noble potential changes the transient state between electronegative potential into) of waveform among Fig. 5.
Then, shown in step 404, pick up counting through second o'clock after the T2 time span, timing unit 7 will finish timing.
In order to judge click action more accurately, more on contactor control device 300, plan the legal regional (not shown) that a click action is used, and in step 406, contact position coordinate (the X of judgment object 200 and contactor control device 300, Y) whether fall within legal zone (X1 ~ X2, the Y1 ~ Y2 of a click action; In the X1＜X2, Y1＜Y2).In step 406, be judged as and be (X1≤X≤X2, Y1≤Y≤Y2), representative is a click action really, and execution in step 407 will produce a control signal that is expressed as click action, shown in Fig. 5 below, and, be sent on the main frame 400 by coding unit 5, tunnel interface module 6.If when step 406 is judged as not, represent non-click action, skip to step 408.
In simple terms, if will need meet following condition for click action:
(1)T2＞T1
(2)T1＞Tmin
In T2, for once regularly move greater than pre-duration of contact in (3) second o'clock apart from the striking of Tmin
(4)X1≤X≤X2；Y1≤Y≤Y2
In sum, the present invention picks up counting when object 200 is contacted with contactor control device 300, and judged whether one-shot striking action in the T2 at second o'clock, go up more this object 200 be contacted with first o'clock of this contactor control device 300 apart from T1 whether greater than pre-regularly apart from Tmin and less than second o'clock apart from T2, with the contact position coordinate (X of object 200 on contactor control device 300, Y) need fall within the condition restriction in the legal zone of click action, therefore can suppress noise effectively, increase the identification accuracy of action.More preferably, whether be the restrictive condition of click action owing to do not need to utilize moving range to be used as identification, so the logical circuit of controller 100 inside also can be simplified, build with reduction and be set to basis and minimizing power consumption, reach purpose of the present invention really.
Though the present invention describes with reference to current specific embodiment, but those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, under the situation that does not break away from spirit of the present invention, also can make the variation and the modification of various equivalences, therefore, as long as variation, the modification to the foregoing description all will drop in the scope of claims of the present invention in connotation scope of the present invention.
Claims (4)
1. click action discrimination method in the action of a contactor control device, is characterized in that this discrimination method comprises the following step in order at least one object striking of identification:
A) detecting action that this object contacts this contactor control device takes place and picks up counting;
B) detect the release that this object contacts this contactor control device, to obtain contacted first o'clock distance of this object and this contactor control device; And
C) if this first o'clock apart from less than second o'clock distance, and this first o'clock apart from greater than a pre-regularly distance, and when produced greater than the striking action of this pre-regularly distance apart from interior duration of contact for once, will produce the control signal of an expression click action at this second o'clock.
2. discrimination method as claimed in claim 1 is characterized in that: at step C) in more when the contact position coordinate of judging this object and this contactor control device falls within the legal zone of a click action, the beginning produces the control signal of this expression click action.
3. the controller of a contactor control device is used for the action of at least one object of identification on this contactor control device, to produce at least one correspondence in the controlling signal on the main frame of this action, it is characterized in that this controller comprises at least:
One coordinate computing unit in order to detecting the electronic signal that this contactor control device sends, is contacted with coordinate position on this contactor control device to calculate this object;
Whether one contact detection unit in order to detect the electronic signal that this contactor control device sends, contacts with this contactor control device to judge this object;
One timing unit is in order to carry out timing when this object contacts with this contactor control device;
One arithmetic element, the result that can be judged according to this contact detection unit, when calculating this object and finishing this contact action, contacted first o'clock distance of this object and this contactor control device, this arithmetic element and in judge at this first o'clock apart from less than second o'clock apart from and greater than a pre-regularly distance, when producing greater than the striking action of this pre-regularly distance apart from interior duration of contact for once with this second o'clock, this arithmetic element will produce the control signal of an expression click action; And
One coding unit is encoded in order to the coordinate position that control signal that this arithmetic element produced and this coordinate arithmetic element are produced, and is sent on this main frame.
4. controller as claimed in claim 3 is characterized in that: this arithmetic element more when the contact position coordinate of judging this object and this contactor control device falls within the legal zone of a click action, just can produce the control signal of this expression click action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101225663A CN1323343C (en) | 2003-12-12 | 2003-12-12 | Method for identifying single clicking action and controller |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2003101225663A CN1323343C (en) | 2003-12-12 | 2003-12-12 | Method for identifying single clicking action and controller |
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| CN1627244A true CN1627244A (en) | 2005-06-15 |
| CN1323343C CN1323343C (en) | 2007-06-27 |
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| CNB2003101225663A Expired - Fee Related CN1323343C (en) | 2003-12-12 | 2003-12-12 | Method for identifying single clicking action and controller |
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Cited By (14)
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| CN100388175C (en) * | 2005-07-21 | 2008-05-14 | 义隆电子股份有限公司 | Gesture detecting method for touch control panel |
| WO2008098412A1 (en) * | 2007-02-08 | 2008-08-21 | Prosense Technology Corporation | A method for deciding the tapped mode of a touch panel and the device to carry out said method |
| CN100416481C (en) * | 2005-11-11 | 2008-09-03 | 义隆电子股份有限公司 | Method for checking object of touch control panel |
| CN100454223C (en) * | 2005-07-21 | 2009-01-21 | 义隆电子股份有限公司 | Gesture detecting method for touch control panel |
| WO2011035722A1 (en) * | 2009-09-23 | 2011-03-31 | Byd Company Limited | Method for identifying action on touch device and action identifying device |
| CN101667077B (en) * | 2008-09-03 | 2011-06-22 | 升达科技股份有限公司 | Method for identifying single-click, double-click and drag motions and controller of touch device |
| CN101498984B (en) * | 2008-02-01 | 2011-07-13 | 致伸科技股份有限公司 | Computer cursor control system and method for controlling cursor movement |
| CN102385471A (en) * | 2010-08-31 | 2012-03-21 | 腾讯科技（深圳）有限公司 | Method and device for controlling starting |
| WO2012129981A1 (en) * | 2011-03-31 | 2012-10-04 | Shenzhen Byd Auto R&D Company Limited | Method of identifying touch gesture and device thereof |
| CN102945097A (en) * | 2012-11-22 | 2013-02-27 | 广东欧珀移动通信有限公司 | Method and system for anti-interference of touch screen |
| CN103150037A (en) * | 2011-12-06 | 2013-06-12 | 禾威科技股份有限公司 | Touch recognition method and capacitive pointing device |
| CN104571779A (en) * | 2013-10-16 | 2015-04-29 | 腾讯科技（深圳）有限公司 | Method and device for displaying interface elements of player |
| CN104731411A (en) * | 2015-03-27 | 2015-06-24 | 努比亚技术有限公司 | Single-click action recognition method and device of mobile terminal |
| WO2020199913A1 (en) * | 2019-03-29 | 2020-10-08 | 杭州海康威视数字技术股份有限公司 | Tap event detection method and device |
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| JP2000099269A (en) * | 1998-09-22 | 2000-04-07 | Nec Corp | Input device for touch panel corresponding to mouse |
| KR20020080702A (en) * | 2001-04-17 | 2002-10-26 | 엘지전자 주식회사 | Recognizing method for touch screen of embedded system |
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- 2003-12-12 CN CNB2003101225663A patent/CN1323343C/en not_active Expired - Fee Related
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| CN100388175C (en) * | 2005-07-21 | 2008-05-14 | 义隆电子股份有限公司 | Gesture detecting method for touch control panel |
| CN100454223C (en) * | 2005-07-21 | 2009-01-21 | 义隆电子股份有限公司 | Gesture detecting method for touch control panel |
| CN100416481C (en) * | 2005-11-11 | 2008-09-03 | 义隆电子股份有限公司 | Method for checking object of touch control panel |
| WO2008098412A1 (en) * | 2007-02-08 | 2008-08-21 | Prosense Technology Corporation | A method for deciding the tapped mode of a touch panel and the device to carry out said method |
| CN101498984B (en) * | 2008-02-01 | 2011-07-13 | 致伸科技股份有限公司 | Computer cursor control system and method for controlling cursor movement |
| CN101667077B (en) * | 2008-09-03 | 2011-06-22 | 升达科技股份有限公司 | Method for identifying single-click, double-click and drag motions and controller of touch device |
| WO2011035722A1 (en) * | 2009-09-23 | 2011-03-31 | Byd Company Limited | Method for identifying action on touch device and action identifying device |
| CN102385471A (en) * | 2010-08-31 | 2012-03-21 | 腾讯科技（深圳）有限公司 | Method and device for controlling starting |
| WO2012129981A1 (en) * | 2011-03-31 | 2012-10-04 | Shenzhen Byd Auto R&D Company Limited | Method of identifying touch gesture and device thereof |
| CN102736757A (en) * | 2011-03-31 | 2012-10-17 | 比亚迪股份有限公司 | Method and apparatus for touch control identification |
| CN103150037A (en) * | 2011-12-06 | 2013-06-12 | 禾威科技股份有限公司 | Touch recognition method and capacitive pointing device |
| CN102945097A (en) * | 2012-11-22 | 2013-02-27 | 广东欧珀移动通信有限公司 | Method and system for anti-interference of touch screen |
| CN104571779A (en) * | 2013-10-16 | 2015-04-29 | 腾讯科技（深圳）有限公司 | Method and device for displaying interface elements of player |
| CN104571779B (en) * | 2013-10-16 | 2019-05-07 | 腾讯科技（深圳）有限公司 | The display methods and device of player interface element |
| CN104731411A (en) * | 2015-03-27 | 2015-06-24 | 努比亚技术有限公司 | Single-click action recognition method and device of mobile terminal |
| CN104731411B (en) * | 2015-03-27 | 2018-12-07 | 努比亚技术有限公司 | The click action recognition methods of mobile terminal and device |
| WO2020199913A1 (en) * | 2019-03-29 | 2020-10-08 | 杭州海康威视数字技术股份有限公司 | Tap event detection method and device |
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