CN1622123A - Coordinate obtaining method applied to touch screen - Google Patents
Coordinate obtaining method applied to touch screen Download PDFInfo
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- CN1622123A CN1622123A CN 200310112248 CN200310112248A CN1622123A CN 1622123 A CN1622123 A CN 1622123A CN 200310112248 CN200310112248 CN 200310112248 CN 200310112248 A CN200310112248 A CN 200310112248A CN 1622123 A CN1622123 A CN 1622123A
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Abstract
The coordinate obtaining method for touch screen is to judge the coordinate of the next point by means of the speed of streaking the line segment in the touch screen and the defaulting value. The present invention can obtain the coordinate of the point in the streaked line segment simply, in low power consumption and high electronic product stability.
Description
Technical field
The method that the present invention obtains for a kind of coordinate is used and to be to touch screen, and particularly a kind of have coordinate and obtain simplification, the electric weight utilization rate is low, the electronic product degree of stability is high coordinate adquisitiones.
Background technology
Because popularizing of information, developed at present and electronic product miscellaneous, use for you to choose, as for the input mode of input information in electronic product, mouse, keyboard and touching screen etc. are arranged then.
In the process of using the touching screen, often all need to streak and put touching screen part, after passback, obtain coordinate, the information of user institute desire input can be imported in the electronic product, but because over and over again return the electric weight raising that coordinate can make that required by electronic product expends, and the degree of stability of electronic product reduces, even also be difficult for differentiating the value of gained, whether correct or the like, so the method that the coordinate that is used is at present obtained, the coordinate of still having obtain complicated property, electric weight utilization rate height, disappearance that the electronic product degree of stability is low.
Summary of the invention
In view of tradition obtains and put the technology of touching screen surface, be over and over again coordinate to be back in the electronic product, the electric weight that therefore can make required by electronic product expend improves, and reduce the stability of electronic product, and whether coordinate that be difficult for to differentiate passback is disappearance correctly or the like, so row is developed a kind of coordinate adquisitiones that is applied to touch screen again, so that obtaining coordinate time, can have the simplification that coordinate obtains, the characteristics that the electric weight utilization rate is low, the electronic product degree of stability is high.
Fundamental purpose of the present invention is provides a kind of coordinate adquisitiones that is applied to touch screen, so that at the coordinate time of obtaining the point that streaks and touch screen, had the simplification that coordinate obtains, the characteristics that the electric weight utilization rate is low, the electronic product degree of stability is high.
The disclosed coordinate adquisitiones that is applied to touch screen according to the present invention, it possesses the following step is arranged:
At first, under the identical time interval, obtain in the line segment that streaked of touching screen surface the actual coordinate of three continuity points;
According to the actual coordinate of three continuity points, try to achieve this line segment and streak the touching screen surface again, and lay respectively at two speed of vertical dimension mutually;
And the speed of confirming one dimension in two dimensions surpasses default value;
And obtain in this line segment, be same as in three continuity points under the interbody spacer, thirdly the 4th of continuing is in the actual coordinate of this dimension;
Confirm that the 4th actual coordinate in this dimension has rationality again;
Set the coordinate of this dimension of the 4th;
Then, confirm that the speed of another dimension in two dimensions is above default value;
And obtain in this line segment, being same as in three continuity points under the interbody spacer, thirdly the 4th of continuing is in the actual coordinate of this another dimension;
Confirm that again the 4th actual coordinate in this another dimension has rationality; Reach the coordinate of this another dimension of setting at the 4th.
Thus, just can be easily under two dimensions, to streak the speed of the line segment of touching screen, and default value is judged the 4th coordinate, and make and draw and the coordinate time of putting the point of touching screen obtaining to be had the simplification that coordinate obtains, the characteristics that the electric weight utilization rate is low, the electronic product degree of stability is high.
Description of drawings
Be described in further detail as follows below in conjunction with most preferred embodiment and accompanying drawing to the present invention's the coordinate adquisitiones that is applied to touch screen:
Figure 1A and Figure 1B are the present invention's process flow diagram.
Embodiment
The coordinate adquisitiones that is applied to touch screen that is disclosed according to the present invention mainly can make the coordinate time that streaks and put the point of touching screen obtaining, and is had the simplification that coordinate obtains, the characteristics that the electric weight utilization rate is low, the electronic product degree of stability is high.
Shown in " Fig. 1 ", the coordinate adquisitiones that being applied to of being disclosed according to the present invention touched screen includes the following step:
At first, the flow process of beginning this method;
Confirm that the surface of touching screen streaked (step 101) by line segment, when the result when being, proceed next step (step 102), when the result is when denying, the flow process of method ends then.
Under the identical time interval, obtain in the line segment that streaked of touching screen surface, the actual coordinate (step 102) of three continuity points, just with sometime as the time interval, and obtain the actual coordinate of first three continuity point in this line segment.
According to the actual coordinate of three continuity points, try to achieve this line segment and streak the touching screen surface again, and be two speed (step 103) of vertical dimension mutually respectively,, try to achieve the speed of this line segment in X dimension and Y dimension just with the actual coordinate of these three continuity points.
And the speed of confirming one dimension in two dimensions surpasses default value (step 104), just speed and the default value of this line segment in the X dimension compared, to judge that this line segment is on the X dimension, whether the speed of streaking the touching screen is too fast, when the result when being, proceed next step (step 105), when the result for not the time, then proceed step 112, with three continuity points according to this try to achieve the 4th point that continues thirdly (itself and thirdly between in interbody spacer be same as between these three continuity points in interbody spacer) in the coordinates computed of this dimension (X dimension), and proceed step 107.
And obtain in this line segment, be same as in three continuity points under the interbody spacer, thirdly the 4th of continuing just under the identical time interval, makes the 4th the actual coordinate passback in the X dimension in the actual coordinate (step 105) of this dimension.
And confirm that the 4th actual coordinate in this dimension has rationality (step 106), just judge with the X dimension coordinate critical point of touching screen whether the X dimension actual coordinate of passing back is reasonable, reliability with the X dimension actual coordinate that improves passback, as for when the result when being, proceed next step (step 107), when the result for not the time, then be back to step 105.
Then, set the coordinate (step 107) of this dimension of the 4th, the coordinates computed that just to set the 4th coordinate in the X dimension be the X dimension of gained in the step 112, or the actual coordinate of the X dimension of gained in the step 106.
The speed of confirming another dimension in two dimensions surpasses default value (step 108), just speed and the default value of this line segment in the Y dimension compared, to judge that this line segment is on the Y dimension, whether the speed of streaking the touching screen is too fast, when the result when being, proceed next step (step 109), when the result for not the time, then carry out step 113, with three continuity points according to this try to achieve the 4th point that continues thirdly (itself and thirdly between in interbody spacer be same as between these three continuity points in interbody spacer) in the coordinates computed of this another dimension (Y dimension), and proceed step 111.
And obtain in this line segment, be same as in three continuity points under the interbody spacer, thirdly the 4th of continuing just under the identical time interval, makes the 4th the actual coordinate passback in the Y dimension in the actual coordinate (step 109) of this another dimension.
And confirm that the 4th actual coordinate in this another dimension has rationality (step 110), just judge with the Y dimension coordinate critical point of touching screen whether the Y dimension actual coordinate of passing back is reasonable, reliability with the Y dimension actual coordinate that improves passback, as for when the result when being, proceed next step (step 111), when the result for not the time, then be back to step 109.
Set the coordinate (step 111) of another dimension of the 4th, the coordinate of just setting the 4th Y dimension is the coordinates computed of the Y dimension of gained in the step 113, or the actual coordinate of the Y dimension of gained in the step 110.
At last, the flow process of method ends.
Therefore the present invention just can be easily under two dimensions, to streak the speed of the line segment of touching screen, and default value is judged the 4th coordinate, and make the coordinate time that streaks and put the point of touching screen obtaining, had the simplification that coordinate obtains, the characteristics that the electric weight utilization rate is low, the electronic product degree of stability is high.
The above person only is the present invention's most preferred embodiment wherein, is not to be used for limiting practical range of the present invention; Be all, be all rights protection scope of the present invention and contain according to equalization variation and modification that the present invention did.
Claims (8)
1. coordinate adquisitiones that is applied to touch screen is characterized in that including:
Under the identical time interval, obtain a touching screen surface and one of streaked in the line segment actual coordinate of three continuity points;
According to the actual coordinate of these three continuity points, try to achieve this line segment and streak this touching screen surface, and lay respectively at the speed of two mutual vertical dimensions;
The speed of confirming one dimension in this two dimension surpasses a default value;
Obtain in this line segment, be same as in these three continuity points under the interbody spacer, this thirdly the 4th that continue is in the actual coordinate of this dimension;
Set the coordinate of this dimension of the 4th;
The speed of confirming another dimension in this two dimension surpasses this default value;
Obtain in this line segment, be same as in these three continuity points under the interbody spacer, this thirdly the 4th that continue is in the actual coordinate of this another dimension; And
Set this another dimension coordinate of the 4th.
2. be applied to bump the coordinate adquisitiones of screen according to claim 1, it is characterized in that: should be under the identical time interval, obtaining a touching screen surface one of is streaked in the line segment, before the step of the actual coordinate of three continuity points, also include the step that this line segment is streaked on the surface of confirming this touching screen.
3. be applied to bump the coordinate adquisitiones of screen according to claim 1, it is characterized in that: when this confirms that result that the speed of one dimension in this two dimension surpasses a default value is not for the time, then thirdly try to achieve its 4th of continuing in the coordinates computed of dimension, and proceed to set the step of coordinate of this dimension of the 4th according to this.
4. be applied to bump the coordinate adquisitiones of screen according to claim 1, it is characterized in that: this is set before the 4th the step of coordinate of this dimension, also includes and confirms that the 4th actual coordinate in dimension has rational step.
5. as being applied to bump the coordinate adquisitiones of screen as described in the claim 4, it is characterized in that: confirm that the 4th actual coordinate in this dimension has rational step and be the coordinate critical point judgement rationality with this touching screen.
6. be applied to bump the coordinate adquisitiones of screen according to claim 1, it is characterized in that: when this confirms that result that the speed of another dimension in this two dimension surpasses this default value is not for the time, then thirdly try to achieve its 4th of continuing in the coordinates computed of this another dimension, and proceed to set the step of coordinate of this another dimension of the 4th according to this.
7. be applied to bump the coordinate adquisitiones of screen according to claim 1, it is characterized in that: this is set before the 4th the step of coordinate of this another dimension, also includes and confirms that the 4th actual coordinate in this another dimension has rational step.
8. be applied to bump the coordinate adquisitiones of screen as described in requiring 1 as profit, it is characterized in that: this confirms that the 4th actual coordinate in this another dimension has rational step and judge rationality for the coordinate critical point with this touching screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101122489A CN100362456C (en) | 2003-11-24 | 2003-11-24 | Coordinate obtaining method applied to touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101122489A CN100362456C (en) | 2003-11-24 | 2003-11-24 | Coordinate obtaining method applied to touch screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1622123A true CN1622123A (en) | 2005-06-01 |
| CN100362456C CN100362456C (en) | 2008-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2003101122489A Expired - Fee Related CN100362456C (en) | 2003-11-24 | 2003-11-24 | Coordinate obtaining method applied to touch screen |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101398725B (en) * | 2007-09-25 | 2011-06-15 | 广达电脑股份有限公司 | System for discriminating multi-touch and method thereof |
| CN102419675A (en) * | 2011-09-30 | 2012-04-18 | 汉王科技股份有限公司 | Coordinate normalizing method of electromagnetic induction device and electromagnetic induction device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0667787A (en) * | 1992-08-18 | 1994-03-11 | Fuji Xerox Co Ltd | Position input device |
| JP3289072B2 (en) * | 1993-12-22 | 2002-06-04 | 株式会社セガ | Vector input device |
| JPH08314624A (en) * | 1995-05-16 | 1996-11-29 | Nec Shizuoka Ltd | Coordinate input device |
| CN1183436C (en) * | 2002-04-03 | 2005-01-05 | 摩托罗拉公司 | Method and apparatus for direction determination and identification of hand-written character |
-
2003
- 2003-11-24 CN CNB2003101122489A patent/CN100362456C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101398725B (en) * | 2007-09-25 | 2011-06-15 | 广达电脑股份有限公司 | System for discriminating multi-touch and method thereof |
| CN102419675A (en) * | 2011-09-30 | 2012-04-18 | 汉王科技股份有限公司 | Coordinate normalizing method of electromagnetic induction device and electromagnetic induction device |
| CN102419675B (en) * | 2011-09-30 | 2014-08-27 | 汉王科技股份有限公司 | Coordinate normalizing method of electromagnetic induction device and electromagnetic induction device |
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| Publication number | Publication date |
|---|---|
| CN100362456C (en) | 2008-01-16 |
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Granted publication date: 20080116 Termination date: 20121124 |