CN101930315A - Multi-touch recognition method - Google Patents
Multi-touch recognition method Download PDFInfo
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- CN101930315A CN101930315A CN 201010190538 CN201010190538A CN101930315A CN 101930315 A CN101930315 A CN 101930315A CN 201010190538 CN201010190538 CN 201010190538 CN 201010190538 A CN201010190538 A CN 201010190538A CN 101930315 A CN101930315 A CN 101930315A
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Abstract
The invention relates to a touch recognition method in which a touch screen supporting multi-touch is adopted. The method comprises the following steps: filtering the corresponding touch instruction if the size of the touch spot obtained by the touch screen is larger than the threshold; or judging whether two touch spot coordinates obtained by the touch screen belong to a gesture set matched with the specific functions through computation, if not, filtering the corresponding touch instruction. The touch recognition method is especially applied to the mobile terminal, reduces misoperation of the users and provides the users with enough convenience.
Description
Technical field
The present invention relates to touch screen technology, be specifically related to a kind of touch identification method of supporting on the multiple point touching portable terminal that is applied in.
Background technology
Touch-screen is as a kind of up-to-date computer input equipment, has simple, convenient, natural characteristics, but also have sturdy and durable, reaction velocity fast, save the space, be easy to many advantages such as interchange.Utilize this technology, the user needs only icon or the literal touched lightly on the computer display with finger and just can realize host service function, thereby makes man-machine interaction more simple and direct, has also made things convenient for those to be ignorant of the user of computation.Along with leading of apple iphone, touch-screen extensively is used on the portable terminal.
But, support the mobile phone of multiple point touching, because induction is sensitive, is easy to recognize wrong finger gesture and causes maloperation, bring inconvenience to the user.Typical scene is when taking mobile phone on foot when user's non-locking mobile phone screen, because the centre of the palm is pressed on the screen, perhaps the centre of the palm is pressed on the back cover and has the several fingers point to be pressed in the edge of screen, mobile phone responds owing to recognizing touch information, some menu is ejected, or some function is called, and this has increased trouble to the user.
Summary of the invention
The technical issues that need to address of the present invention are, how a kind of touch identification method is provided, and can discern and the automatic fitration misoperation of users.
Technical matters of the present invention solves like this: make up a kind of touch identification method, adopt the touch-screen of supporting multiple point touching, it is characterized in that, may further comprise the steps:
A instructs greater than the touch of thresholding filtering correspondence according to the contact sizes that described touch-screen obtains; Perhaps
Whether B belongs to the gesture set that is complementary with specific function, the not touch of filtering correspondence instruction according to two contact coordinates that described touch-screen obtains.
According to recognition methods provided by the invention, the order between described steps A and the step B includes, but are not limited to carry out simultaneously or successively (behind the B of A elder generation or behind the A of B elder generation).
According to recognition methods provided by the invention, this recognition methods is applied on the portable terminal with described touch-screen.
According to recognition methods provided by the invention, described filtering includes, but are not limited to:
㈠ is finished by process chip in the described touch-screen;
㈡ is finished by main process chip in the portable terminal of described touch-screen electrical connection.
According to recognition methods provided by the invention, described thresholding includes, but are not limited to the arbitrary coordinate width in preferred contact (width X and width Y) and surpasses default value: 9, perhaps can be provided with voluntarily by the user.
According to recognition methods provided by the invention, described gesture set is built in the storer.
According to recognition methods provided by the invention, also comprise by software upgrading the gesture in described storer set is made amendment, increased or reduces.
Touch identification method provided by the invention, the multiple point touching recognition technology of existing portable terminal reduce the user misoperation number of times and can for the user bring following convenient:
1. if the centre of the palm is pressed on the screen, the contact sizes that touch-screen obtains is greater than thresholding, automatic fitration;
2. grasp portable terminal on the back cover from behind if the centre of the palm is pressed in, have the several fingers point to be pressed on the screen, multi-finger gesture shows as static or random moving, and is not qualified multi-finger gesture, automatic fitration.
Description of drawings
Further the present invention is described in detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is a mobile terminal touch screen data pretreatment process synoptic diagram of the present invention.
Embodiment
At first, thinking of the present invention is described:
Touch-screen is divided into resistance-type, infrared-type, capacitor induction type and surface acoustic wave type at present.Old-fashioned touch-screen can only carry out single-point identification, and advanced touch-screen can be supported multiple point touching and gesture, and the coordinate position of discerning all fingers.Wherein support the capacitor induction type touch-screen of multiple point touching all to have corresponding induction matrix.Can obtain data in such touch-screen: A coordinate (X, Y-axis); B contact force (0-255); C contact sizes (long * is wide all to be 0-15); D finger number (0-2).
And contrast normal running and maloperation, it has following data characteristics:
| Mode of operation | Coordinate | Contact force | Contact sizes (long or wide) | The finger number |
| Normal running (singly referring to) | Corresponding with finger | ? | Little (0-4) | 1 |
| Normal running (two fingers) | Corresponding with finger | ? | Little (0-4) | 2 |
| Palm is pressed | Irregular | ? | (9-15) greatly | 1-2 |
| Hold behind | Two refer to coordinate, irregular | ? | Little | 2 |
Table one
So corresponding filtering method can be:
1. filter by the contact sizes that reports, can filter the palm large tracts of land exactly and be pressed in this situation on the touch-screen;
2. it nearly all is two points that this situation of machine of shaking hands from behind reports, and its gesture is static or random the moving of two fingers, is not qualified multi-finger gesture, and software can filter at this situation.
The second, be elaborated in conjunction with the specific embodiment of the invention:
Specific embodiment of the present invention, this embodiment is built-in data preprocessing procedures module in the touch-screen process chip, specifically as shown in Figure 1, may further comprise the steps:
101) receive touch screen induction signal enabling data preprocessing procedures section;
102) judge that whether induction point is above 1, be directly to enter next step, do not wait for that 30ms(also can be other values) to reduce by the two finger number erroneous judgements that point to asynchronism(-nization) to cause, judge the induced signal that also has or not the diverse location of originating, enter next step, as then not entering 104;
103) judge whether position of induction point thereof is qualified multi-finger gesture, is to enter next step, denys direct filtering;
104) judge the induction point size: whether contact width X and width Y surpass 9, be filtering, otherwise data normally report;
Wherein:
Above-mentionedly judge whether qualified foundation is the induction point multi-finger gesture: this multi-finger gesture is the gesture that can be complementary with specific function that producer pre-defines.
The above only is preferred embodiment of the present invention, and all equalizations of being done according to claim scope of the present invention change and modify, and all should belong to the covering scope of claim of the present invention.
Claims (8)
1. a touch identification method adopts the touch-screen of supporting multiple point touching, it is characterized in that, may further comprise the steps:
A instructs greater than the touch of thresholding filtering correspondence according to the contact sizes that described touch-screen obtains; Perhaps
Two contact coordinates that B obtains according to described touch-screen judge whether to belong to the gesture set that is complementary with specific function, the not touch of filtering correspondence instruction by calculating.
2. according to the described recognition methods of claim 1, it is characterized in that described steps A and B while or priority are carried out.
3. according to the described recognition methods of claim 1, it is characterized in that this recognition methods is applied on the portable terminal with described touch-screen.
4. according to the described recognition methods of claim 1, it is characterized in that described filtering is finished by process chip in the described touch-screen.
5. according to the described recognition methods of claim 1, it is characterized in that described filtering is finished by main process chip in the portable terminal of described touch-screen electrical connection.
6. according to the described recognition methods of claim 1, it is characterized in that described thresholding is that the arbitrary coordinate width in contact surpasses default value or user defined value.
7. according to the described recognition methods of claim 1, it is characterized in that described gesture set is built in the storer.
8. according to the described recognition methods of claim 7, it is characterized in that, also comprise by software upgrading the gesture in described storer set is made amendment, increased or reduces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010190538 CN101930315A (en) | 2010-06-03 | 2010-06-03 | Multi-touch recognition method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010190538 CN101930315A (en) | 2010-06-03 | 2010-06-03 | Multi-touch recognition method |
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| CN101930315A true CN101930315A (en) | 2010-12-29 |
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| CN 201010190538 Pending CN101930315A (en) | 2010-06-03 | 2010-06-03 | Multi-touch recognition method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103440098A (en) * | 2013-08-05 | 2013-12-11 | 广东明创软件科技有限公司 | Method for opening application program and mobile terminal thereof |
| CN104461550A (en) * | 2014-12-16 | 2015-03-25 | 北京元心科技有限公司 | Data processing method, system and device for electronic equipment |
| CN104679429A (en) * | 2015-02-12 | 2015-06-03 | 深圳市中兴移动通信有限公司 | Accidental-touch-prevention method and device |
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| CN1912819A (en) * | 2005-08-12 | 2007-02-14 | 乐金电子(中国)研究开发中心有限公司 | Touch input recognition method for terminal provided with touch screen and terminal thereof |
| CN101504578A (en) * | 2008-02-04 | 2009-08-12 | 德信智能手机技术（北京）有限公司 | Contact multi-filtration mechanism of touch screen |
| CN101581991A (en) * | 2008-05-15 | 2009-11-18 | 宏达国际电子股份有限公司 | Operating method, system and storage media |
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2010
- 2010-06-03 CN CN 201010190538 patent/CN101930315A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1912819A (en) * | 2005-08-12 | 2007-02-14 | 乐金电子(中国)研究开发中心有限公司 | Touch input recognition method for terminal provided with touch screen and terminal thereof |
| CN101504578A (en) * | 2008-02-04 | 2009-08-12 | 德信智能手机技术（北京）有限公司 | Contact multi-filtration mechanism of touch screen |
| CN101581991A (en) * | 2008-05-15 | 2009-11-18 | 宏达国际电子股份有限公司 | Operating method, system and storage media |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103440098A (en) * | 2013-08-05 | 2013-12-11 | 广东明创软件科技有限公司 | Method for opening application program and mobile terminal thereof |
| CN103440098B (en) * | 2013-08-05 | 2016-08-10 | 广东明创软件科技有限公司 | Open method and the mobile terminal thereof of application program |
| CN104461550A (en) * | 2014-12-16 | 2015-03-25 | 北京元心科技有限公司 | Data processing method, system and device for electronic equipment |
| CN104461550B (en) * | 2014-12-16 | 2018-05-25 | 北京元心科技有限公司 | Processing method, system and the data processing equipment of a kind of electronic equipment data |
| CN104679429A (en) * | 2015-02-12 | 2015-06-03 | 深圳市中兴移动通信有限公司 | Accidental-touch-prevention method and device |
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Open date: 20101229 |