CN101840282A - Electronic device and method thereof for recognizing touch control object - Google Patents
Electronic device and method thereof for recognizing touch control object Download PDFInfo
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- CN101840282A CN101840282A CN200910301025A CN200910301025A CN101840282A CN 101840282 A CN101840282 A CN 101840282A CN 200910301025 A CN200910301025 A CN 200910301025A CN 200910301025 A CN200910301025 A CN 200910301025A CN 101840282 A CN101840282 A CN 101840282A
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- control object
- electronic installation
- contact panel
- resistance value
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Abstract
The invention relates to a method for recognizing a touch control object by an electronic device. The electronic device is provided with a touch control panel and an analog-to-digital converter. The method comprises the following steps of: setting a critical value of a resistance value in the Z-axis direction of the touch control panel, wherein the critical value is used for distinguishing the type of the touch control object; pressing the touch control panel of the electronic device by the touch control object; obtaining the current resistance value in the Z-axis direction of the touch control panel; and comparing the current obtained resistance value in the Z-axis direction with the set critical value for recognizing the type of the current touch control object. The invention also provides an electronic device. The input accuracy can be greatly improved by utilizing the invention.
Description
Technical field
The present invention relates to the method for a kind of electronic installation and identification touch control object thereof.
Background technology
Along with the development of society and the progress of science and technology, the easier touch-screen mobile phone of the more humane input in interface just is being subjected to liking of more and more people.Touch-screen mobile phone has accounted for the increasing market share now, and this class mobile phone has a common characteristic, is exactly that screen is big, because saved the shared place of keyboard, so screen has occupied most areas.Present smart mobile phone, especially high-end, luxurious mobile phone all is to have adopted touch screen design basically.Handwriting input is by light finger light press touch-screen, and the content of wanting promptly can occur at the moment.Traditional relatively keyboard Designing, touch screen design seem more anima, designs hommization more, and it is also more handy to operate.
Finger can not click or import during touch-screen mobile phone more accurately in operation, and at present mostly touch-screen mobile phone can not to discern touch control object be finger or nib, be identical receiving the processing that clicks or done during input action, therefore can cause maloperation.
Summary of the invention
In view of above content, preferred embodiment of the present invention provides a kind of electronic installation, thus its type that can discern touch control object handle accordingly respectively make click or input action more accurate.
In view of above content, preferred embodiment of the present invention provides the method for a kind of electronic installation identification touch control object, thus its type that can discern touch control object handle accordingly respectively make click or input action more accurate.
Described electronic installation is equipped with contact panel and analog to digital converter, and described electronic installation comprises:
The unit is set, is used to be provided with the critical value of the resistance value on the described contact panel Z-direction, described critical value is used to distinguish the touch control object type;
Acquiring unit is used for obtaining the current resistance value on the described contact panel Z-direction when touch control object is pushed the contact panel of described electronic installation; And
The touch control object recognition unit, the critical value size that is used to compare current resistance value on the Z-direction of obtaining and setting is to discern the type of current touch control object.
The method of described electronic installation identification touch control object, this electronic installation is equipped with contact panel and analog to digital converter, and the method comprising the steps of:
The critical value of the resistance value on the described contact panel Z-direction is set, and described critical value is used to distinguish the touch control object type;
Touch control object is pushed the contact panel of described electronic installation;
Obtain the current resistance value on the described contact panel Z-direction; And
The current resistance value on the Z-direction that comparison is obtained and the critical value size of setting are to discern the type of current touch control object.
Compared to prior art, the method for described electronic installation and identification touch control object thereof, thus it can be discerned the touch control object type and adopts corresponding processing mode to obtain the higher coordinate of accuracy.By utilizing the present invention, can improve the accuracy of input.
Description of drawings
Fig. 1 is the structural representation of electronic installation of the present invention.
Fig. 2 is the workflow diagram of the method for electronic installation identification touch control object of the present invention.
Fig. 3 is the structural representation of the contact panel on the electronic installation of the present invention.
Fig. 4 and Fig. 5 are respectively with nib and the resulting resistance value synoptic diagram of the described contact panel of finger touch.
Embodiment
Consulting shown in Figure 1ly, is the structural representation of electronic installation of the present invention.Described electronic installation 1 comprises a contact panel 14, A/D (Analog to Digital, a modulus) converter 15 and a processor 16.
In this preferred embodiment, described contact panel 14 (as shown in Figure 3) is an electric resistance touch-control panel, and it mainly comprises four-wire type, five-line and eight line formula contact panels.Because the cost of the contact panel of four-wire type is lower and technology is ripe, therefore becomes the most general a kind of specification at present.
For convenience of description, be example with four-wire type electronic type contact panel in the present embodiment, described contact panel 14 is having the transparent insulation point between the two-layer ITO of plating (indium tin oxide) up and down, and allowing up and down when not pushing panel, two-layer ITO possesses certain air layer and allows it handle not conduction state.When finger tip, nib or other object can make up and down two-layer contact and conduct electricity when pressing.Wherein, the upper strata of this contact panel is considered as X-axis, lower floor is considered as Y-axis, respectively install two conducting wires additional at the edge of levels, these two conducting wires are called X-axis conductive layer and Y-axis conductive layer, respectively set a fixed voltage in levels simultaneously, make it become a uniform electric field.The magnitude of voltage that the X-axis conductive layer is measured is responsible for transmission by the Y-axis conductive layer, the magnitude of voltage that the Y-axis conductive layer is measured is responsible for transmission by the X-axis conductive layer, so rapidly alternately and with this above-mentioned magnitude of voltage be sent to A/D converter 15 to convert the coordinate figure of corresponding digital signal to, described coordinate figure will be sent to processor 16 clicking action or importing stroke etc. with the identification user.In addition, described contact panel 14 also comprises a Z axle, and it is mainly used in weighs the resistance value between the two-layer ITO up and down.
Described electronic installation 1 can be the electronic installation that mobile phone, PDA (personal digital assistant, personal digital assistant), handheld device, digital camera or palm PC etc. are equipped with contact panel 14 and A/D converter 15.
Described electronic installation 1 comprises that also unit 10, acquiring unit 11, touch control object recognition unit 12 and accuracy are set optimizes unit 13.
Described the critical value that unit 10 is used to be provided with resistance value on the Z-direction is set, described critical value is mainly used in the touch control object type of distinguishing the described contact panel 14 of touch-control.In this preferred embodiment, described touch control object type mainly is meant nib and finger tip.As shown in Figure 4, the resistance value on the Z-direction when the described contact panel 14 of touch control object touch-control is during greater than described critical value, and then discerning this touch control object is nib; Yet as shown in Figure 5, the resistance value on the Z-direction when the described contact panel 14 of touch control object touch-control is during less than described critical value, and discerning this touch control object is finger tip.
Described acquiring unit 11 is used for obtaining current resistance value and the magnitude of voltage on its Z-direction when the described contact panel 14 of touch control object touch-control.
Described touch control object recognition unit 12 is used to compare the current resistance value on the described Z-direction of obtaining and the critical value of setting, discerns described touch control object type according to its comparison result.Particularly, when the current resistance value on the described Z-direction of obtaining during greater than the critical value that is provided with, then discerning this touch control object is nib; On the contrary, the current resistance value on the described Z-direction of obtaining is less than the critical value that is provided with, and then discerning this touch control object is finger tip.
Described accuracy is optimized unit 13 and also is used for utilizing methods such as filtering unnecessary noise point and lines smoothing that the touch-control coordinate is carried out the accuracy optimization when the described touch control object of identification is finger tip.
Fig. 2 is the workflow diagram of the method for electronic installation identification touch control object of the present invention.
Step S201 is provided with the critical value of a resistance value on the Z-direction, and described critical value is used to distinguish the touch control object type of the described contact panel 14 of touch-control, and in this preferred embodiment, described touch control object type mainly is meant nib and finger tip.Resistance value on the Z-direction when the described contact panel 14 of touch control object touch-control is during greater than described critical value, and then discerning this touch control object is nib; Yet the resistance value on the Z-direction when the described contact panel 14 of touch control object touch-control is during less than described critical value, and discerning this touch control object is finger tip.
After step S202, user utilize the described contact panel 14 of touch control object touch-control, the magnitude of voltage that produces when obtaining the current resistance value on the described Z-direction and obtaining described contact panel 14.
Step S203 judges that current resistance value on the described Z-direction is whether greater than the critical value that is provided with.
Step S204, when the current resistance value on the described Z-direction during greater than the critical value that is provided with, discerning this touch control object is nib.As shown in Figure 4, the current resistance value on the described Z-direction is greater than critical value.
Step S205 when identification after this touch control object is nib, is sent to A/D converter 15 to convert the coordinate figure of X, Y-axis to the magnitude of voltage of this generation.
Step S206, processor 16 is discerned this stroke or is clicked action according to described coordinate figure.
Step S207 judges whether described contact panel 14 receives the some pressure of described nib.When the point that does not receive nib was pressed, then flow process was returned step S205; On the contrary, then flow process finishes.
In step S203, when the resistance value on the described Z-direction during, enter step S208 less than critical value, then discerning this touch control object is finger tip.As shown in Figure 5, the current resistance value on the described Z-direction is less than critical value.
Step S209 when identification after this touch control object is finger tip, is sent to described A/D converter 15 to convert the coordinate figure of X, Y-axis to the magnitude of voltage of this generation.
Step S210 utilizes methods such as filtering noise point and lines smoothing to carry out the accuracy optimization to obtain coordinate figure more accurately.
Step S211, this processor 16 is discerned this stroke or is clicked action according to described coordinate figure.
Step S212 judges whether described contact panel 14 receives the some pressure of described finger tip.When the point that does not receive finger tip was pressed, then flow process was returned step S209; On the contrary, then flow process finishes.
Above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to above better embodiment, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to the spirit and scope that replacement should not break away from technical solution of the present invention technical scheme of the present invention.
Claims (9)
1. electronic installation, described electronic installation is equipped with contact panel and analog to digital converter, it is characterized in that, and described electronic installation comprises:
The unit is set, is used to be provided with the critical value of the resistance value on the described contact panel Z-direction, described critical value is used to distinguish the touch control object type;
Acquiring unit is used for obtaining the current resistance value on the described contact panel Z-direction when touch control object is pushed the contact panel of described electronic installation; And
The touch control object recognition unit, the critical value size that is used to compare current resistance value on the Z-direction of obtaining and setting is to discern the type of current touch control object.
2. electronic installation as claimed in claim 1 is characterized in that, described touch control object type comprises nib and finger tip.
3. electronic installation as claimed in claim 2 is characterized in that, the magnitude of voltage that described acquiring unit produced when also being used to obtain described contact panel and being pressed, and it is sent to described analog to digital converter to convert corresponding coordinate figure to.
4. electronic installation as claimed in claim 3, it is characterized in that, described electronic installation comprises that also accuracy optimizes the unit, is used for when described touch control object recognition unit identifies touch control object and is finger tip the coordinate figure after the described conversion being carried out accuracy optimization to obtain coordinate figure accurately.
5. electronic installation as claimed in claim 1 is characterized in that, described electronic installation is any in mobile phone, personal digital assistant, handheld device, digital camera or the palm PC.
6. the method for electronic installation identification touch control object, this electronic installation is equipped with contact panel and analog to digital converter, and the method comprising the steps of:
The critical value of the resistance value on the described contact panel Z-direction is set, and described critical value is used to distinguish the touch control object type;
Touch control object is pushed the contact panel of described electronic installation;
Obtain the current resistance value on the described contact panel Z-direction; And
The current resistance value on the Z-direction that comparison is obtained and the critical value size of setting are to discern the type of current touch control object.
7. the method for electronic installation identification touch control object as claimed in claim 6 is characterized in that described method also comprises step:
When the current resistance value on the Z-direction was bigger than the critical value that is provided with, discerning this touch control object was nib; On the contrary, the current resistance value on Z-direction is than the critical value that is provided with hour, and discerning this touch control object is finger tip.
8. the method for electronic installation identification touch control object as claimed in claim 7 is characterized in that described method also comprises step:
The magnitude of voltage that produces when obtaining described contact panel and being pressed, and it is sent to described analog to digital converter to convert corresponding coordinate figure to; And
When touch control object is finger tip, the coordinate figure after the described conversion is carried out accuracy optimization to obtain coordinate figure accurately.
9. the method for electronic installation identification touch control object as claimed in claim 6 is characterized in that described electronic installation is any in mobile phone, personal digital assistant, handheld device, digital camera or the palm PC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910301025A CN101840282B (en) | 2009-03-21 | 2009-03-21 | Electronic device and method thereof for recognizing touch control object |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910301025A CN101840282B (en) | 2009-03-21 | 2009-03-21 | Electronic device and method thereof for recognizing touch control object |
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| CN101840282A true CN101840282A (en) | 2010-09-22 |
| CN101840282B CN101840282B (en) | 2012-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910301025A Expired - Fee Related CN101840282B (en) | 2009-03-21 | 2009-03-21 | Electronic device and method thereof for recognizing touch control object |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104571910A (en) * | 2013-10-25 | 2015-04-29 | 宏碁股份有限公司 | Electronic device and touch operation method thereof |
| CN111694468A (en) * | 2020-06-15 | 2020-09-22 | 广州创知科技有限公司 | Method and device for determining type of target object |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101308419A (en) * | 2007-05-15 | 2008-11-19 | 宏达国际电子股份有限公司 | Hand held device input tool kind identification method |
| CN201117000Y (en) * | 2007-05-15 | 2008-09-17 | 宏达国际电子股份有限公司 | Non-obstruction touch control operation electronic device |
-
2009
- 2009-03-21 CN CN200910301025A patent/CN101840282B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104571910A (en) * | 2013-10-25 | 2015-04-29 | 宏碁股份有限公司 | Electronic device and touch operation method thereof |
| CN104571910B (en) * | 2013-10-25 | 2018-05-11 | 宏碁股份有限公司 | Electronic device and touch operation method thereof |
| CN111694468A (en) * | 2020-06-15 | 2020-09-22 | 广州创知科技有限公司 | Method and device for determining type of target object |
| CN111694468B (en) * | 2020-06-15 | 2023-09-05 | 广州创知科技有限公司 | Method and device for determining type of target object |
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| CN101840282B (en) | 2012-10-17 |
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