CN101271371A - Multi-point locating anti-interference processing method of touch panel positioning system - Google Patents
Multi-point locating anti-interference processing method of touch panel positioning system Download PDFInfo
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- CN101271371A CN101271371A CNA2008100277733A CN200810027773A CN101271371A CN 101271371 A CN101271371 A CN 101271371A CN A2008100277733 A CNA2008100277733 A CN A2008100277733A CN 200810027773 A CN200810027773 A CN 200810027773A CN 101271371 A CN101271371 A CN 101271371A
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Abstract
The invention provides a multi-point positioning and anti-jamming processing method for a touch screen positioning system, which comprises the following steps: 1. when the system receives the coordinate data f a touch point, whether an anti-jamming label is placed is judged; 2. whether an anti-jamming area exists; 3. whether a timer is out of time is judged; 4. whether an effective touch area has the touch point coordinate data is judged; 5. whether the anti-jamming area has the touch point coordinate data is judged; 6. if the touch point is not in the effective touch area and the anti-jamming area, the effective touch area and the anti-jamming area, as well as the timer and the anti-jamming label are cleared away. With a wide application range, the method can handle single-point or multi-point positioning and anti-jamming occasions. When handling the multi-point interference, the method can eliminate the interference information without affecting the normal touch operation, and particularly effectively overcome the sleeve interference when the user writes on the screen, thus causing the system to work out the wrong coordinate data resulting in system chaos.
Description
Technical field
The present invention relates to the Anti-Jamming Technique of touch-screen positioning system, specifically be meant the multipoint positioning anti-interference processing method of touch-screen positioning system.
Background technology
In information society now, computing machine and various electronic installation make people's work, the life easier, more efficient.And as a kind of common human-computer interaction device simply and easily that reaches, touch-screen is used in every field widely.In bank, the inquiry system of band touch-screen makes that the information inquiry operation is more convenient and swift, and in the classroom of Electronic Data Processing, the interactive touch screen system makes that teaching is vivider, more lively, the game machine of touch operation has then been removed the constraint of remote-control lever or handle, allows player's the richer enjoyment of whole process.Owing to only use intuitively,, cause touch-screen to be widely applied to every field without any need for professional training.
But people are when using touch-screen; easily because the randomness of operation produces interference, when particularly on screen, writing, because habitually action causes user's normal running to be affected; produce inconvenience; when for example the user write with hand or pen, coat-sleeve usually can touch screen, causes positioning system to detect a plurality of coordinate datas; in such cases; how to determine effective touch point, pick out and disturb the touch point, just become the technical matters that presses for solution at present.
Anti-Jamming Technique in the existing touch-screen positioning system only is suitable for the single-point location, situation to a plurality of touch points then can't effectively be handled, therefore when handling multiple point touching, even have only two touch points, can't accurately discern its effective touch point, because the position coordinates that the existence of interfere information makes mistake system-computed, causing touching the place is not actual touch place yet, cause the confusion in the processing, thereby make troubles to the user.
Summary of the invention
The objective of the invention is to overcome the shortcoming and defect of above-mentioned prior art, the multipoint positioning anti-interference processing method of touch-screen positioning system is provided, its can be in single touch point or a plurality of touch point exist and handle interfere information when disturbing, make the influence of the interference-free information of normal screen operator.
Purpose of the present invention is achieved through the following technical solutions: the multipoint positioning anti-interference processing method of this touch-screen positioning system may further comprise the steps:
Step 1, after the touch point coordinate data is received by system, judge whether to put interference indicator, in this way, then enter step 3; As not, then enter next step;
Step 2, judge whether to exist interference range,, put interference indicator, generate effective Petting Area and interference range, start timer if exist; If there is no, then finish described anti-interference process;
Step 3, judge whether timer is overtime, if overtime, then removes interference indicator, remove timer, and remove effective Petting Area and interference range, then finish described anti-interference process,, then enter next step if not overtime;
Step 4, judge whether effective Petting Area has the touch point coordinate data, if the touch point coordinate data is arranged, then getting coupling touch point coordinate data is effective touch point coordinate data, and upgrade effective Petting Area and interference range, the replacement timer, finish described anti-interference process,, then enter next step if there is not the touch point coordinate data;
Step 5, judge whether interference range has the touch point coordinate data, if the touch point coordinate data is arranged, then this touch point coordinate data is passed into disuse, and finishes to call, if there is not the touch point coordinate data, then enters next step;
Effective Petting Area and interference range at effective Petting Area and interference range, are not then removed in step 6, touch point, and remove timer, remove interference indicator, finish described anti-interference process.
After adopting this method to finish described anti-interference process, just can carry out next step data processing, promptly the described effective touch point of step 4 coordinate data be carried out the analog mouse Message Processing according to result.
Must realize the present invention for better, judge whether in the described step 2 to exist the method for interference range to be: according to current effective touch point, generate effective Petting Area and interference range, judged whether that the touch point drops on interference range, if have, then there is interference range in this touch point, if fruit does not have, then there is not interference range in this touch point;
A coordinate points when described effective touch point is meant touch screen at the beginning, effective touch point afterwards is to judge according to previous effective touch point; If at the beginning during touch screen, more than one of its touch point, several times coordinate information is judged again before then abandoning; If still exist a plurality of touch points this moment, then repeat this step.
Judge in the described step 4 whether effective Petting Area has the method for touch point coordinate data to be: enumerate each coordinate data, judged whether that coordinate data drops in effective Petting Area, if have, then effectively in the Petting Area touch point coordinate data is arranged, otherwise then do not have the touch point coordinate data.
Judge in the described step 5 whether interference range has the method for touch point coordinate data to be: enumerate each coordinate data, judged whether that the touch point coordinate data drops on interference range, if have, the touch point coordinate data is then arranged in the interference range, otherwise then do not have the touch point coordinate data.
The present invention compared with prior art has following advantage and beneficial effect:
Applied range; Can handle the disturbed condition that exists in single-point location or the multipoint positioning, and removal interfere information, make normal touch operation unaffected, particularly can effectively overcome the user when screen is write because the interference of coat-sleeve, make the coordinate data that system-computed makes mistake and cause the situation of system's confusion.
Description of drawings
Fig. 1 is detected two touch point synoptic diagram on the touch-screen.
Fig. 2 is the multipoint positioning anti-interference processing method schematic flow sheet of touch-screen positioning system of the present invention.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
As shown in Figure 1,101,102 is two touch points on the touch screen.Fig. 2 is a multipoint positioning anti-interference processing method schematic flow sheet in the touch-screen positioning system, specifies the step of handling this interfere information below in conjunction with Fig. 1, Fig. 2:
1, judge at first after receiving the touch point coordinate data whether interference indicator puts, as do not put then judge 101,102 two points in touch point which for effective touch point, judge according to effective touch point whether interference range exists again, as putting, leap to the 3rd and go on foot;
2, exist as interference range, then put interference indicator, generate effective Petting Area and interference range according to 101,102 two point effective touch points wherein, touch point, the enabling counting device as not existing, is then finished described anti-interference process;
3, judge that whether counter is overtime, if overtime, then finishes described anti-interference process;
4, judge whether touch point 101,102 has one or all at effective Petting Area, if the touch point 101 or 102 of then getting coupling is effective touch point, upgrades effective Petting Area, and counter reset, finishes described anti-interference process;
5, judge whether touch point 101,102 has one or all at interference range, if, then abandon this touch point coordinate data, finish the processing of this touch point coordinate data;
If 101,102 two points in 6 touch points not at effective Petting Area or interference range, are then removed interference indicator, remove effective Petting Area and interference range, remove counter, finish described anti-interference process.
Judge whether in the described step 1 to exist the method for interference range to be: according to current effective touch point, generate effective Petting Area and interference range, judged whether that the touch point drops on interference range, if have, then there is interference range in this touch point, if fruit does not have, then there is not interference range in this touch point;
A coordinate points when described effective touch point is meant touch screen at the beginning, effective touch point afterwards is to judge according to previous effective touch point; If at the beginning during touch screen, more than one of its touch point, several times coordinate information is judged again before then abandoning; If still exist a plurality of touch points this moment, then repeat this step.
Judge in the described step 4 whether effective Petting Area has the method for touch point coordinate data to be: enumerate each coordinate data, judged whether that coordinate data drops in effective Petting Area, if have, then effectively in the Petting Area touch point coordinate data is arranged, otherwise then do not have the touch point coordinate data.
Judge in the described step 5 whether interference range has the method for touch point coordinate data to be: enumerate each coordinate data, judged whether that the touch point coordinate data drops on interference range, if have, the touch point coordinate data is then arranged in the interference range, otherwise then do not have the touch point coordinate data.
After adopting above-mentioned 6 described methods of step to finish described anti-interference process, just can carry out next step data processing, promptly the described effective touch point of step 4 coordinate data be carried out the analog mouse Message Processing according to result.
As mentioned above; just can realize the present invention preferably; the foregoing description is a preferred implementation of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (4)
1, the anti-interference processing method of multipoint positioning in a kind of touch-screen positioning system, its key step comprises as follows:
Step 1, after the touch point coordinate data is received by system, judge whether to put interference indicator, in this way, then enter step 3; As not, then enter next step;
Step 2, judge whether to exist interference range,, put interference indicator, generate effective Petting Area and interference range, start timer if exist; If there is no, then finish described anti-interference process;
Step 3, judge whether timer is overtime, if overtime, then removes interference indicator, remove timer, and remove effective Petting Area and interference range, then finish described anti-interference process,, then enter next step if not overtime;
Step 4, judge whether effective Petting Area has the touch point coordinate data, if the touch point coordinate data is arranged, then getting coupling touch point coordinate data is effective touch point coordinate data, and upgrade effective Petting Area and interference range, the replacement timer, finish described anti-interference process,, then enter next step if there is not the touch point coordinate data;
Step 5, judge whether interference range has the touch point coordinate data, if the touch point coordinate data is arranged, then this touch point coordinate data is passed into disuse, and finishes to call, if there is not the touch point coordinate data, then enters next step;
Effective Petting Area and interference range at effective Petting Area and interference range, are not then removed in step 6, touch point, and remove timer, remove interference indicator, finish described anti-interference process.
2, the anti-interference processing method of multipoint positioning in the touch-screen system according to claim 1, it is characterized in that, judge whether in the described step 2 to exist the method for interference range to be: according to current effective touch point, generate effective Petting Area and interference range, judged whether that the touch point drops on interference range, if having, then there is interference range in this touch point, if fruit does not have, then there is not interference range in this touch point;
A coordinate points when described effective touch point is meant touch screen at the beginning, effective touch point afterwards is to judge according to previous effective touch point; If at the beginning during touch screen, more than one of its touch point, several times coordinate information is judged again before then abandoning; If still exist a plurality of touch points this moment, then repeat this step.
3, the anti-interference processing method in the touch-screen positioning system according to claim 1, it is characterized in that, judge in the described step 4 whether effective Petting Area has the method for touch point coordinate data to be: enumerate each coordinate data, judged whether that coordinate data drops in effective Petting Area, if have, then effectively in the Petting Area touch point coordinate data is arranged, otherwise then do not have the touch point coordinate data.
4, the anti-interference processing method in the touch-screen positioning system according to claim 1, it is characterized in that, judge in the described step 5 whether interference range has the method for touch point coordinate data to be: enumerate each coordinate data, judged whether that the touch point coordinate data drops on interference range, if have, the touch point coordinate data is then arranged in the interference range, otherwise then do not have the touch point coordinate data.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008100277733A CN101271371A (en) | 2008-04-29 | 2008-04-29 | Multi-point locating anti-interference processing method of touch panel positioning system |
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| CNA2008100277733A CN101271371A (en) | 2008-04-29 | 2008-04-29 | Multi-point locating anti-interference processing method of touch panel positioning system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101872274A (en) * | 2009-04-21 | 2010-10-27 | 三星电子株式会社 | In mobile device, handle the method for multi-touch input |
| CN102902392A (en) * | 2011-07-29 | 2013-01-30 | 矽统科技股份有限公司 | Hierarchical sensing method |
| WO2013123775A1 (en) * | 2012-02-22 | 2013-08-29 | 广东欧珀移动通信有限公司 | Static elimination method for touch screen |
| CN103324421A (en) * | 2012-03-20 | 2013-09-25 | 中兴通讯股份有限公司 | Method and device for operating touch screen terminal |
-
2008
- 2008-04-29 CN CNA2008100277733A patent/CN101271371A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101872274A (en) * | 2009-04-21 | 2010-10-27 | 三星电子株式会社 | In mobile device, handle the method for multi-touch input |
| CN102902392A (en) * | 2011-07-29 | 2013-01-30 | 矽统科技股份有限公司 | Hierarchical sensing method |
| WO2013123775A1 (en) * | 2012-02-22 | 2013-08-29 | 广东欧珀移动通信有限公司 | Static elimination method for touch screen |
| CN103324421A (en) * | 2012-03-20 | 2013-09-25 | 中兴通讯股份有限公司 | Method and device for operating touch screen terminal |
| WO2013139075A1 (en) * | 2012-03-20 | 2013-09-26 | 中兴通讯股份有限公司 | Touch screen terminal operating method and device |
| CN103324421B (en) * | 2012-03-20 | 2016-06-22 | 中兴通讯股份有限公司 | The method and apparatus of touch screen terminal operation |
| US9965068B2 (en) | 2012-03-20 | 2018-05-08 | Zte Corporation | Method and device for operating terminal having touch screen |
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Open date: 20080924 |