CN104216552A - Method for preventing palm from touching by mistake - Google Patents
Method for preventing palm from touching by mistake Download PDFInfo
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- CN104216552A CN104216552A CN201310274994.1A CN201310274994A CN104216552A CN 104216552 A CN104216552 A CN 104216552A CN 201310274994 A CN201310274994 A CN 201310274994A CN 104216552 A CN104216552 A CN 104216552A
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- touch coordinate
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 2
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- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The invention discloses a method for preventing a palm from touching by mistake, which can be realized in a device using a touch panel. When a user inputs data on the touch panel in a writing mode, the actual touch coordinate and the error touch coordinate can be distinguished according to the palm of the user or the writing mode, and the identification degree of the touch panel is further improved. Therefore, the touch panel has the advantages that the actual touch coordinate and the error touch coordinate can be distinguished according to the palm or the writing mode of the user, and the identification degree of the touch panel is further improved.
Description
Technical field
The present invention relates to one and prevent palm false touch method, particularly relate to a kind of method preventing palm false touch according to user's palm or ways of writing.
Background technology
In various consumption electronic products market now, due to product design all with light, thin, short, little for direction, therefore without enough space as the conventional input devices such as keyboard, mouse, especially under the drive of flat computer demand stressing human oriented design, the display device of collocation touch panel (touch panel) becomes one of key part and component of various electronic product gradually, such as, be applied in the portable electronic devices such as PDA(Personal Digital Assistant), mobile phone (mobile Phone), intelligent mobile phone or flat computer.
Touch panel uses sensor to detect the resistance, electric capacity, pressure or the intensity variation that cause because of touch event to obtain touch coordinate, then export touch coordinate to system.But, when user inputs data with kenel of writing on touch panel, palm leans against on screen by easy custom, and now sensor can sense the action of palm and finger simultaneously, and then generation correctly cannot detect the input information that user writes behavior.
Summary of the invention
Because the problem of above-mentioned prior art, object of the present invention is exactly providing a kind of method preventing palm false touch, and then promotes the identification of contact panel.
For reaching above-mentioned object, the present invention discloses a kind of method preventing accident touch on touch control panel, if it is included in when detecting a touch event and receives multiple touch coordinate, produce multiple judging area respectively according to a preset distance, wherein each judging area respectively to comprise in the plurality of touch coordinate a corresponding touch coordinate respectively; The touch coordinate overlapped each other in the plurality of judging area or adjacent judging area comprises is added same group; And when a particular demographic only comprises single touch coordinate, export the coordinate figure of this single touch coordinate.
Advantage of the present invention for can distinguish practical touch coordinate and false touch touch coordinate according to user's palm or ways of writing, and then promotes the identification of contact panel.
Accompanying drawing explanation
Fig. 1 is a kind of process flow diagram preventing palm false touch method in the present invention.
Fig. 2 to Fig. 6 is the schematic diagram of the embodiment of the present invention when execution prevents palm false touch method.
Wherein, description of reference numerals is as follows:
110 ~ 160 steps
R preset distance
R ' reference distance
A0 ~ AN, B0 ~ BN judging area
A0 ' ~ AN ' is with reference to judging area
G0 ~ GN group
G0 ' ~ GN ' is with reference to group
F, P1 ~ PN touch coordinate
F ', P1 ' ~ PN ' is with reference to touch coordinate
Embodiment
Fig. 1 is the process flow diagram that in the present invention, one prevents palm false touch (palm rejection) method, and it comprises the following step:
Step 110: determine a preset distance R, performs step 120.
Step 120: the number judging touch coordinate when detecting touch event: if detect multiple touch coordinate, performs step 130; If detect single touch coordinate, perform step 160.
Step 130: produce multiple judging area respectively according to preset distance R and multiple touch coordinate, wherein each judging area to comprise in multiple touch coordinate a corresponding touch coordinate, performs step 140.
Step 140: the touch coordinate overlapped each other or adjacent judging area comprises is added same group, performs step 150.
Step 150: export corresponding coordinate figure for the group only comprising single touch coordinate, performs step 120.
Step 160: the coordinate figure exporting single touch coordinate, performs step 120.
In step 110, preset distance R is relevant with user's hand size or writing style, determines that the mode of preset distance R will describe in detail instructions is follow-up.In the step 120, the present invention can judge whether when detecting touch event to receive single or multiple touch coordinate.If only receive single touch coordinate, the present invention can perform step 160 to export the coordinate figure of this single touch coordinate; If receive multiple touch coordinate, the present invention can perform step 130.
Fig. 2 and Fig. 3 is the schematic diagram of first embodiment of the invention when execution judges false touch method.Stain represents all touch coordinate received when detecting touch event, and wherein F represents user with the touch coordinate detected when finger or pointer input, and P1 ~ PN represents the touch coordinate detected because of the false touch of user's palm.In the embodiment shown in Figure 2, the present invention can in step 130 with each touch coordinate for the center of circle, producing radius is respectively the multiple circular judging area A0 ~ AN of R.In the embodiment shown in fig. 3, the present invention in step 130 centered by each touch coordinate, can produce multiple square judging area B0 ~ BN that the length of side is 2R respectively.In other embodiments of the present invention, can in step 130 with each touch coordinate for reference point, produce corresponding other type geometry judging area (ellipse, rectangle, triangle or ladder type etc. that such as major and minor axis is relevant with preset distance R) or the judging area of arbitrary shape according to preset distance R.The present invention can produce multiple judging area of same shape and size according to each touch coordinate and preset distance R, be only embodiment, do not limit category of the present invention shown in Fig. 2 and Fig. 3.
When palm is inputted data with kenel of writing and false touch occurs by user on touch panel, touch coordinate P1 ~ PN the mutual distance of corresponding user's palm portion is very near, and distant between the touch coordinate F of corresponding finger or the actual input of pointer and other touch coordinate P1 ~ PN.Because preset distance R is relevant with user's hand size or writing style, to overlap each other or adjacent if therefore detect two judging area in step 140, can judge that its corresponding touch coordinate causes because of palm false touch.
For example, because touch coordinate F and other touch coordinate P1 ~ PN is distant, circular judging area A0 and other circular judging area A1 ~ AN can't overlap or adjacent each other, or square judging area B0 and other square judging area B1 ~ BN can't overlap or adjacent each other, touch coordinate F can be added group G0 by now the present invention in step 140.Because touch coordinate P1 ~ PN that time distance is very near, circular judging area A1 ~ AN or square judging area B1 ~ BN can overlap or adjacent each other, and touch coordinate P1 ~ PN can be added group G1 by now the present invention in step 140.Then, in step 150, the present invention only for the group G0 comprising single touch coordinate, can export the coordinate figure of touch coordinate F.
In an embodiment of the present invention, preset distance R can be inputted voluntarily by user, or is selected to allow user by system value of offering suggestions.In an alternative embodiment of the invention, system can require that palm is placed on touch panel with kenel of writing by user, then obtains best preset distance R according to user's hand shape.
Fig. 4 to Fig. 6 is that the present invention prevents the schematic diagram of the method for accident touch on touch control panel when performing step 110.When palm is placed on touch panel with kenel of writing by user, the reference touch coordinate F ' that system can detect with user points or pointer is relevant, and reference touch coordinate the P1 ' ~ PN ' relevant with user's palm area.In embodiment shown in Fig. 4 to Fig. 6, the present invention can in step 110 with each with reference to touch coordinate for the center of circle, producing radius is respectively multiple circular reference judging area A0 ' ~ AN ' of reference distance R '.When two reference judging area overlap each other or be adjacent, the present invention can add same as group with reference to touch coordinate by corresponding two.All be added into reference to touch coordinate specific for after group all, then can judge whether only to produce two with reference to groups, and wherein one only comprise single with reference to touch coordinate.If above-mentioned condition is false, representative now cannot correctly judge false touch situation according to reference distance R ', and the present invention can adjust the value of reference distance R ' in step 110, then produces according to the same manner and add with reference to group with reference to judging area with reference to touch coordinate.Until after above-mentioned condition establishment, preset distance R can be set to the value of reference distance R ' by the present invention in step 110, then performs step 120.
In the embodiment shown in fig. 4, reference distance R ' is much smaller than ideal value, therefore each all can be added into respective reference group G0 ' ~ GN ' with reference to touch coordinate, make system cannot differentiate all reference touch coordinate caused because of palm, now need to increase reference distance R ' with the false touch situation that correctly judges.
In the embodiment shown in fig. 5, initial preset distance R ' is slightly less than ideal value, the reference touch coordinate caused because of palm may be added into different from group (such as G1 ' and G2 '), make system cannot differentiate the reference touch coordinate (such as PN ') that part causes because of palm, now need to increase reference distance R ' with the false touch situation that correctly judges.
In the embodiment shown in fig. 6, initial preset distance R ' is greater than ideal value, all judging area A0 ' ~ AN ' overlap each other or contact, therefore all reference touch coordinate all can be added into reference to group G0 ', make system cannot differentiate all touch coordinate caused because of palm, now need to reduce reference distance R ' with the false touch situation that correctly judges.
In embodiment shown in Fig. 4 to Fig. 6, the present invention can also each be reference point with reference to touch coordinate in step 110, produces other corresponding type geometric reference judging area (such as square, ellipse, rectangle, triangle or ladder type etc.) or the reference judging area of arbitrary shape according to reference distance R '.The present invention can produce multiple reference judging area of same shape and size with reference to touch coordinate and reference distance R ' according to each, then decide the value of preset distance R according to aforementioned manner.Be only embodiment shown in Fig. 4 to Fig. 6, do not limit category of the present invention.
The invention provides a kind of method preventing palm false touch, can pass through software or firmware mode and realize at the device using contact panel.When user inputs data with kenel of writing on touch panel, the present invention can distinguish practical touch coordinate and false touch touch coordinate according to user's palm or ways of writing, and then promotes the identification of contact panel.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. can prevent a method for accident touch on touch control panel, it is characterized in that, comprise:
If receive multiple touch coordinate when detecting a touch event, produce multiple judging area respectively according to a preset distance, wherein each judging area respectively to comprise in the plurality of touch coordinate a corresponding touch coordinate respectively;
The touch coordinate overlapped each other in the plurality of judging area or adjacent judging area comprises is added same group; And
When a particular demographic only comprises single touch coordinate, export the coordinate figure of this single touch coordinate.
2. the method for claim 1, is characterized in that, separately comprises:
With each touch coordinate for the center of circle, produce the multiple circular judging area that radius is this preset distance respectively, or the multiple oval judging area that major and minor axis is relevant with this preset distance.
3. the method for claim 1, is characterized in that, separately comprises:
Centered by each touch coordinate, produce the length of side multiple geometry judging area relevant with this preset distance respectively.
4. the method for claim 1, is characterized in that, each judging area has same shape and size.
5. the method for claim 1, is characterized in that, separately comprises:
This preset distance is decided according to the palm of a user or writing style.
6. method as claimed in claim 5, is characterized in that, separately comprise:
When palm is placed on a touch panel with kenel of writing by this user, detect multiple with reference to touch coordinate;
Produce multiple with reference to judging area respectively according to a reference distance, wherein each comprises the plurality of with reference to a corresponding reference touch coordinate in touch coordinate respectively with reference to judging area;
Same reference group is added with reference to the reference touch coordinate overlapped each other in judging area or adjacent reference judging area comprises by the plurality of; And
If be all added into specific for only producing two after group with reference to groups in all reference touch coordinate, and when one of them only comprises single reference touch coordinate, this preset distance is set to the value of reference distance.
7. method as claimed in claim 6, it separately comprises:
If be all added into specific single with reference to group with reference to only producing after group in all reference touch coordinate, and when this single reference group comprises multiple reference touch coordinate, shorten this preset distance.
8. method as claimed in claim 6, it separately comprises:
If be all added into specific for when producing the group of the reference more than two after group in all reference touch coordinate, increase this preset distance.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102119190A TW201445428A (en) | 2013-05-30 | 2013-05-30 | Palm rejection method |
| TW102119190 | 2013-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104216552A true CN104216552A (en) | 2014-12-17 |
Family
ID=52098128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310274994.1A Pending CN104216552A (en) | 2013-05-30 | 2013-07-02 | Method for preventing palm from touching by mistake |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104216552A (en) |
| TW (1) | TW201445428A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104635985A (en) * | 2015-01-30 | 2015-05-20 | 深圳市中兴移动通信有限公司 | Mistaken touching preventing method and device for mobile terminal |
| CN107066138A (en) * | 2015-12-23 | 2017-08-18 | 意象无限股份有限公司 | Signal detection method for preventing mistaken touch in touch system |
| CN109002201A (en) * | 2017-06-06 | 2018-12-14 | 宝利通公司 | Refuse unrelated touch input in electronic presentation system |
| US10585527B2 (en) | 2015-01-30 | 2020-03-10 | Nubia Technology Co., Ltd. | Method and apparatus for preventing accidental touch operation on mobile terminals |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI552045B (en) * | 2013-12-05 | 2016-10-01 | 禾瑞亞科技股份有限公司 | Method and apparatus for determining mistaken approaching or touching event |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101901068A (en) * | 2009-05-26 | 2010-12-01 | 宇辰光电股份有限公司 | Method capable of preventing accident touch on touch control panel |
| CN101957694A (en) * | 2009-07-17 | 2011-01-26 | 禾瑞亚科技股份有限公司 | Method and device for palm rejection |
| US20120262407A1 (en) * | 2010-12-17 | 2012-10-18 | Microsoft Corporation | Touch and stylus discrimination and rejection for contact sensitive computing devices |
| CN102789332A (en) * | 2011-05-17 | 2012-11-21 | 义隆电子股份有限公司 | Method for identifying palm area on touch panel and updating method thereof |
-
2013
- 2013-05-30 TW TW102119190A patent/TW201445428A/en unknown
- 2013-07-02 CN CN201310274994.1A patent/CN104216552A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101901068A (en) * | 2009-05-26 | 2010-12-01 | 宇辰光电股份有限公司 | Method capable of preventing accident touch on touch control panel |
| CN101957694A (en) * | 2009-07-17 | 2011-01-26 | 禾瑞亚科技股份有限公司 | Method and device for palm rejection |
| US20120262407A1 (en) * | 2010-12-17 | 2012-10-18 | Microsoft Corporation | Touch and stylus discrimination and rejection for contact sensitive computing devices |
| CN102789332A (en) * | 2011-05-17 | 2012-11-21 | 义隆电子股份有限公司 | Method for identifying palm area on touch panel and updating method thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104635985A (en) * | 2015-01-30 | 2015-05-20 | 深圳市中兴移动通信有限公司 | Mistaken touching preventing method and device for mobile terminal |
| US10585527B2 (en) | 2015-01-30 | 2020-03-10 | Nubia Technology Co., Ltd. | Method and apparatus for preventing accidental touch operation on mobile terminals |
| US10592047B2 (en) | 2015-01-30 | 2020-03-17 | Nubia Technology Co., Ltd. | Method and apparatus for preventing accidental touch operation on mobile terminals |
| CN107066138A (en) * | 2015-12-23 | 2017-08-18 | 意象无限股份有限公司 | Signal detection method for preventing mistaken touch in touch system |
| CN107066138B (en) * | 2015-12-23 | 2021-03-30 | 意象无限股份有限公司 | Signal detection method for preventing mistaken touch in touch system |
| CN109002201A (en) * | 2017-06-06 | 2018-12-14 | 宝利通公司 | Refuse unrelated touch input in electronic presentation system |
| CN109002201B (en) * | 2017-06-06 | 2020-07-28 | 宝利通公司 | Rejection of extraneous touch input in an electronic presentation system |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201445428A (en) | 2014-12-01 |
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Application publication date: 20141217 |
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