CN101901068A - Method capable of preventing accident touch on touch control panel - Google Patents
Method capable of preventing accident touch on touch control panel Download PDFInfo
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- CN101901068A CN101901068A CN2009102028246A CN200910202824A CN101901068A CN 101901068 A CN101901068 A CN 101901068A CN 2009102028246 A CN2009102028246 A CN 2009102028246A CN 200910202824 A CN200910202824 A CN 200910202824A CN 101901068 A CN101901068 A CN 101901068A
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Abstract
The invention relates to a method capable of preventing accident touch on a touch control panel. In order to prevent a palm from accidentally touching the touch control panel, a plurality of areas of the touch control panel is scanned one by one so as to detect a plurality of touched areas among the plurality of areas; and the adjacency relation of the plurality of touched areas is detected so as to determine a plurality of blocks. If the plurality of blocks comprises a large-sized block, the large-sized block is excluded, and a current coordinate is generated according to a small-sized block which is possible to be touched by a finger or a touch control pen.
Description
Technical field
The invention provides a kind of method that prevents accident touch on touch control panel, relate in particular to a kind of method that prevents false touch matrix form multi-point touch panel.
Background technology
Previous general man-machine interface multi-point touch has many technology to use, wherein common technology such as matrix form multi-point touch, the most normal being employed of projecting type capacitor touch-control (Projected Capacitive Touch) for example, the projecting type capacitor contactor control device can be held conductor or the like mode via finger, pointer, people and operate.Generally on middle large scale screen writing style, the palm back of the body can be placed on to be write on the object, there is a kind of palm false touch (Palm Rejection) technology of avoiding therefore to be widely used when for example on the resistance type multi-point touch panel, writing, but on the projecting type capacitor contact panel, when in the input of hand-held writing implement during large scale projecting type capacitor contact panel, the palm back of the body can't be placed on the contact panel to be write simultaneously, does not relatively meet ergonomics.
Before when holding input media and on matrix form multi-point touch panel, write, if the palm back of the body is contact matrix form multi-point touch panel directly, this moment, the software of matrix form multi-point touch panel can be considered as contact area the input of many points coordinate colony, when finger or pointer when importing again, matrix form multi-point touch panel can't be distinguished finger or capacitance pen input, therefore be placed on palm at matrix form multi-point touch panel and have misoperation when doing book input or action of writing on the panel and produce, therefore just derive the technology of avoiding the palm false touch at the resistance type multi-point touch panel.
See also Fig. 1 and Fig. 2, Fig. 1 and Fig. 2 are the synoptic diagram of a previous resistance type multi-point touch panel 10.Resistance type multi-point touch panel 10 comprises a polyester (PET) layer 12, one first tin indium oxide (ITO) layer 14, one second indium tin oxide layer 16, one glassy layer 18, a plurality of point-like insulators (dot spacer) 20, a plurality of resins (resin) 22 in order to separating first indium tin oxide layer 14 and one second indium tin oxide layer 16, and provide the space of a plurality of point-like insulators 20 between first indium tin oxide layer 14 and one second indium tin oxide layer 16.
The principle of work of resistance type multi-point touch panel 10 is for to touch contact panel 10 by conducting first indium tin oxide layer 14 and one second indium tin oxide layer 16, because point-like insulator 20 is an insulator, if a plurality of point-like insulators 20 are too far away at interval each other, then can make finger or pointer touch contact panel 10 easily, and promote the sensitivity of contact panel 10.For fear of the palm false touch, prior art is to shorten point-like insulator 20 distance each other, yet such practice but causes a plurality of point-like insulators 20 too close each other, makes finger or pointer be difficult to touch contact panel 10, and has reduced the sensitivity of contact panel 10.
Summary of the invention
Embodiments of the invention provide a kind of method that prevents accident touch on touch control panel, comprise scan a contact panel one by one a plurality of zones to detect a plurality of zones of being touched in these a plurality of zones, the neighbouring relations that detect these a plurality of zones of being touched are to determine a plurality of blocks, get rid of the block that is not inconsistent the unification preset range in these a plurality of blocks, and produce a present coordinate according to the block that meets this preset range in these a plurality of blocks.
Description of drawings
Fig. 1 and Fig. 2 are the synoptic diagram of a previous resistance type multi-point touch panel.
Fig. 3 avoids the process flow diagram of an embodiment of the method for palm accident touch on touch control panel for the present invention.
The synoptic diagram that Fig. 4 is pointed for Fig. 1 contact panel and the palm back of the body touches.
Fig. 5 is the synoptic diagram of first kind of projecting type capacitor contact panel.
Fig. 6 and Fig. 7 are the synoptic diagram of second kind of projecting type capacitor contact panel.
[main element symbol description]
10 resistance type multi-point touch panels, 12 polyester layers
14 first indium tin oxide layers, 16 second indium tin oxide layers
18 glassy layers, 20 point-like insulators
22 resins, 24 first blocks
26 second blocks, 52,58 projecting type capacitor contact panels
28,30,32,34,36,38,40 zones
42,44,46,48,50 steps
54,56 tin indium oxides, 60 first conductive electrodes
62 first insulation courses, 64 second conductive electrodes
66 second conductive electrodes 68,72X direction electrode
70,74 Y direction electrodes
Embodiment
The matrix form multi-point touch control apparatus of the embodiment of the invention has the palm of avoiding false touch function, when the user at multi-point touch simultaneously, can not go up misoperation because of large tracts of land conductor (as: palm or elbow) contact cause operation.
See also Fig. 3 and Fig. 4, Fig. 3 avoids the process flow diagram of an embodiment of the method for palm accident touch on touch control panel 10 for the present invention, the synoptic diagram that Fig. 4 is pointed for contact panel 10 and the palm back of the body touches, wherein the block that is touched by finger is first block 24, and the block that is touched by the palm back of the body is second block 26.Avoid the method for palm accident touch on touch control panel 10 to comprise the following step:
Step 42: scan a plurality of regional 28,30,32,34,36,38,40 of contact panel 10 one by one, to detect a plurality of zones of being touched 32,34,36,38 in a plurality of regional 28;
Step 44: the neighbouring relations that detect a plurality of zones of being touched 32,34,36,38 are to determine a plurality of blocks 24,26;
Step 46: get rid of the block 26 that is not inconsistent the unification preset range in a plurality of blocks 24,26;
Step 48: produce a present coordinate according to the block 24 that meets this preset range in a plurality of blocks 24,26;
Step 50: transmit present coordinate to main frame.
In step 42, each zone is a plotted point or a plurality of plotted point of directions X electrode 68 and Y direction electrode 70, be under the situation of a plurality of plotted points of directions X electrode 68 and Y direction electrode 70 in each zone, the number of plotted point only can be a peanut, so that step 44 can correctly detect the neighbouring relations in a plurality of zones of being touched.In step 44, all be touched in zone (as 32,34) in first block 24, all be touched in zone (as 36,38) in second block 26, yet be not touched in the zone (as 40) between first block 24 and second block 26, therefore can judge just that the zone (as 32,34) in first block 24 belongs to same block, zones (as 36,38) in second block 26 belong to same block, and first block 24 and second block 26 and non-conterminous and block that symbolic animal of the birth year is different.
Zone (as 32,34) in establishing first block 24 belongs to same block, after zone (as 36,38) in second block 26 belongs to same block, just step 44 can judge that block 24,26 is pointed or the palm back of the body touches according to the size of first block 24 and second block 26; If the size of block 24,26 is too big, then representing it is to be touched by the palm back of the body; If on behalf of it, the size of block 24,26 in this preset range, then pointed shake-up.
For instance, in first kind of embodiment, definable is if the length of the X-direction of arbitrary block 24,26 surpasses the plotted point of 5 directions X electrodes 68 and Y direction electrode 70, or the length of Y direction then is considered as it being touched by the palm back of the body and need getting rid of above the plotted point of 5 directions X electrodes 68 and Y direction electrode 70; And if the length of the X-direction of arbitrary block 24,26 is no more than the plotted point of 5 directions X electrodes 68 and Y direction electrode 70, and the length of Y direction is no more than the plotted point of 5 directions X electrodes 68 and Y direction electrode 70, then it is considered as being pointed shake-up.Because second block 26 is the plotted point that surpasses 5 directions X electrodes 68 and Y direction electrode 70 in the length of X-direction, no matter therefore in the length of Y direction why second block 26, step 46 can be got rid of second block 26; Because first block 24 is no more than the plotted point of 5 directions X electrodes 68 and Y direction electrode 70 in the length of X-direction, the length of Y direction is no more than the plotted point of 5 directions X electrodes 68 and Y direction electrode 70, and first block 24 is unique block that meets preset range, so step 48 can produce present coordinate according to the position of first block 24.
In second kind of embodiment, definable is if the length of the X-direction of arbitrary block 24,26 is not less than the plotted point of 5 directions X electrodes 68 and Y direction electrode 70, or the length of Y direction then is considered as it being touched by the palm back of the body and need getting rid of above the plotted point of 5 directions X electrodes 68 and Y direction electrode 70; And if the length of the X-direction of arbitrary block 24,26 less than the plotted point of 5 directions X electrodes 68 and Y direction electrode 70, and the length of Y direction is no more than the plotted point of 5 directions X electrodes 68 and Y direction electrode 70, then it is considered as being pointed shake-up.Because second block 26 is not less than the plotted point of 5 directions X electrodes 68 and Y direction electrode 70 in the length of X-direction, no matter therefore in the length of Y direction why second block 26, step 46 can be got rid of second block 26; Because first block 24 is at the length of the X-direction plotted point less than 5 directions X electrodes 68 and Y direction electrode 70, the length of Y direction is no more than the plotted point of 5 directions X electrodes 68 and Y direction electrode 70, and first block 24 is unique block that meets preset range, so step 48 can produce present coordinate according to the position of first block 24.
In the third embodiment, be example equally with Fig. 4, just second block 26 no longer is considered as by the block of palm back of the body shake-up.In this embodiment, definable is if the length of the X-direction of arbitrary block 24,26 is not less than the plotted point of 11 directions X electrodes 68 and Y direction electrode 70, or the length of Y direction is not less than the plotted point of 11 directions X electrodes 68 and Y direction electrode 70, then it is considered as being touched and needing by the palm back of the body getting rid of; And if the length of the X-direction of arbitrary block 24,26 less than the plotted point of 11 directions X electrodes 68 and Y direction electrode 70, and the length of Y direction then is considered as it being pointed shake-up less than the plotted point of 11 directions X electrodes 68 and Y direction electrode 70.Since two blocks 24,26 in the length of X-direction all less than the plotted point of 11 directions X electrodes 68 and Y direction electrode 70, the length of Y direction all less than the plotted point of 11 directions X electrodes 68 and Y direction electrode 70, therefore all meets the Rule of judgment that is considered as being pointed shake-up.At this moment, the approaching last time coordinate of the coordinate of which block correspondence in two blocks 24,26 is judged in step 48 meeting, if the approaching last time coordinate of the coordinate of first block, 24 correspondences, then the position according to first block 24 produces present coordinate; If the approaching last time coordinate of the coordinate of second block, 26 correspondences, then the position according to second block 26 produces present coordinate.
Above embodiment is an example with resistance type multi-point touch panel 10, but the present invention can be applicable to the matrix form multi-point touch panel of other any kind ofs.For instance, see also Fig. 5, Fig. 5 is the synoptic diagram of first kind of projecting type capacitor contact panel 52.Projecting type capacitor contact panel 52 comprises a plurality of directions X electrodes 72 and a plurality of Y direction electrode 74, each directions X electrode 72 has the tin indium oxide (ITO) 54 of a plurality of series connection, each Y direction electrode 74 also has the tin indium oxide 56 of a plurality of series connection, has a capacitance between tin indium oxide 54 and the tin indium oxide 56, this capacitance can change because of being touched by finger, shake-up pen or the palm back of the body, therefore just can detect the zone that projecting type capacitor contact panel 52 is touched by the method for execution graph 3, and get rid of the excessive block of regional extent, produce present coordinate.
Fig. 6 and Fig. 7 are the synoptic diagram of second kind of projecting type capacitor contact panel 58.Projecting type capacitor contact panel 58 comprises one first conductive electrode 60, one first insulation courses, 62, one second conductive electrodes 64 and one second insulation course 66.Has a capacitance between first conductive electrode 60 and second conductive electrode 66, this capacitance can change because of being touched by finger, shake-up pen or the palm back of the body, therefore just can detect the zone that projecting type capacitor contact panel 58 is touched by the method for execution graph 3, and get rid of the excessive block of regional extent, produce present coordinate.
Compared to prior art, the neighbouring relations of embodiments of the invention by detecting a plurality of zones of being touched are to determine a plurality of blocks, and get rid of block oversize in a plurality of blocks, to be produced present coordinate according to pointing or touching the moving block of style of writing, therefore can be for fear of the palm false touch, and reduced the sensitivity of contact panel.
The above only is the preferred embodiments of the present invention, and all equalizations of doing according to claims of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (10)
1. method that can prevent accident touch on touch control panel comprises:
A plurality of zones of scanning a contact panel one by one are to detect a plurality of zones of being touched in these a plurality of zones;
The neighbouring relations that detect these a plurality of zones of being touched are to determine a plurality of blocks;
Get rid of the block that is not inconsistent the unification preset range in these a plurality of blocks; And
Produce a present coordinate according to the block that meets this preset range in these a plurality of blocks.
2. the method for claim 1 also comprises this present coordinate is sent to a main frame.
3. the method for claim 1, wherein comprise if having at least two blocks to meet this preset range in these a plurality of blocks according to this present coordinate of block generation that meets this preset range in these a plurality of blocks, then the block with the most approaching last time coordinate in this at least two block converts this present coordinate to.
4. the method for claim 1, wherein this preset range has one first predetermined length and one second predetermined length.
5. method as claimed in claim 4, wherein get rid of the block that do not meet this preset range in these a plurality of blocks and surpass the block that this first predetermined length or the second axial length surpass this second predetermined length, and produce this present coordinate for be not more than this present coordinate of block generation that this first predetermined length and the second axial length are not more than this second predetermined length according to the first axial length in these a plurality of blocks according to the block that meets this preset range in this a plurality of blocks for getting rid of the first axial length in these a plurality of blocks.
6. method as claimed in claim 4, wherein get rid of the block that do not meet this preset range in these a plurality of blocks and be not less than the block that this first predetermined length or the second axial length surpass this second predetermined length, and produce this present coordinate for be not more than this present coordinate of block generation of this second predetermined length less than this first predetermined length and the second axial length according to the first axial length in these a plurality of blocks according to the block that meets this preset range in this a plurality of blocks for getting rid of the first axial length in these a plurality of blocks.
7. method as claimed in claim 4, wherein get rid of the block that do not meet this preset range in these a plurality of blocks and be not less than the block that this first predetermined length or the second axial length are not less than this second predetermined length for getting rid of the first axial length in these a plurality of blocks, and according to the block that meets this preset range in this a plurality of blocks produce this present coordinate for according to the first axial length in these a plurality of blocks less than this first predetermined length and the second axial length this present coordinate of block generation less than this second predetermined length.
8. the method for claim 1, a plurality of zones of wherein scanning this contact panel one by one are to detect in these a plurality of zones a plurality of zones of being touched for to scan a plurality of zones of a matrix form multi-point touch panel to detect a plurality of zones of being touched in these a plurality of zones one by one.
9. method as claimed in claim 8, a plurality of zones of wherein scanning this matrix form multi-point touch panel one by one are to detect in these a plurality of zones a plurality of zones of being touched for to scan a plurality of zones of a projecting type capacitor contact panel to detect a plurality of zones of being touched in these a plurality of zones one by one.
10. method as claimed in claim 8, a plurality of zones of wherein scanning this matrix form multi-point touch panel one by one are to detect in these a plurality of zones a plurality of zones of being touched for to scan a plurality of zones of a resistance type multi-point touch panel to detect a plurality of zones of being touched in these a plurality of zones one by one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102028246A CN101901068A (en) | 2009-05-26 | 2009-05-26 | Method capable of preventing accident touch on touch control panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102028246A CN101901068A (en) | 2009-05-26 | 2009-05-26 | Method capable of preventing accident touch on touch control panel |
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| CN101901068A true CN101901068A (en) | 2010-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009102028246A Pending CN101901068A (en) | 2009-05-26 | 2009-05-26 | Method capable of preventing accident touch on touch control panel |
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Cited By (8)
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| CN103455216A (en) * | 2012-06-05 | 2013-12-18 | 腾讯科技（深圳）有限公司 | Touch operation sensing method and device in capacitive touch screen system |
| CN103885655A (en) * | 2012-12-21 | 2014-06-25 | 乐金显示有限公司 | Display device and driving method thereof |
| CN104216552A (en) * | 2013-05-30 | 2014-12-17 | 胜华科技股份有限公司 | Method for preventing palm from touching by mistake |
| CN104407793A (en) * | 2014-11-26 | 2015-03-11 | 深圳市华星光电技术有限公司 | Method and equipment for processing touch signal |
| CN105094474A (en) * | 2014-05-23 | 2015-11-25 | 中兴通讯股份有限公司 | Response method and response device of terminal touch operation |
| CN105786373A (en) * | 2014-12-24 | 2016-07-20 | 联想(北京)有限公司 | Touch track display method and electronic device |
| CN108459757A (en) * | 2011-12-19 | 2018-08-28 | 禾瑞亚科技股份有限公司 | The processor and touch control method of touch screen |
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- 2009-05-26 CN CN2009102028246A patent/CN101901068A/en active Pending
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| CN108459757A (en) * | 2011-12-19 | 2018-08-28 | 禾瑞亚科技股份有限公司 | The processor and touch control method of touch screen |
| CN103455216A (en) * | 2012-06-05 | 2013-12-18 | 腾讯科技（深圳）有限公司 | Touch operation sensing method and device in capacitive touch screen system |
| CN103455216B (en) * | 2012-06-05 | 2016-08-17 | 腾讯科技（深圳）有限公司 | Capacitive touch screen system is to the inducing method of touch operation and device |
| CN103885655B (en) * | 2012-12-21 | 2018-08-17 | 乐金显示有限公司 | Display device and its driving method |
| CN103885655A (en) * | 2012-12-21 | 2014-06-25 | 乐金显示有限公司 | Display device and driving method thereof |
| CN104216552A (en) * | 2013-05-30 | 2014-12-17 | 胜华科技股份有限公司 | Method for preventing palm from touching by mistake |
| CN109144318B (en) * | 2013-12-05 | 2021-07-27 | 禾瑞亚科技股份有限公司 | Method and device for judging whether palm line segment group needs to be divided |
| CN109144318A (en) * | 2013-12-05 | 2019-01-04 | 禾瑞亚科技股份有限公司 | Judge the method and apparatus whether palm line segment group needs to divide |
| CN105094474A (en) * | 2014-05-23 | 2015-11-25 | 中兴通讯股份有限公司 | Response method and response device of terminal touch operation |
| WO2015176441A1 (en) * | 2014-05-23 | 2015-11-26 | 中兴通讯股份有限公司 | Touch operation response method and device for terminal |
| WO2016082251A1 (en) * | 2014-11-26 | 2016-06-02 | 深圳市华星光电技术有限公司 | Touch signal processing method and device |
| CN104407793B (en) * | 2014-11-26 | 2018-03-13 | 深圳市华星光电技术有限公司 | Touch signal processing method and equipment |
| CN104407793A (en) * | 2014-11-26 | 2015-03-11 | 深圳市华星光电技术有限公司 | Method and equipment for processing touch signal |
| CN105786373A (en) * | 2014-12-24 | 2016-07-20 | 联想(北京)有限公司 | Touch track display method and electronic device |
| CN105786373B (en) * | 2014-12-24 | 2019-10-29 | 联想(北京)有限公司 | A kind of touch trajectory display methods and electronic equipment |
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Application publication date: 20101201 |