CN102147688A - System and method for improving input accuracy of capacitive touch screen - Google Patents
System and method for improving input accuracy of capacitive touch screen Download PDFInfo
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- CN102147688A CN102147688A CN2010103012036A CN201010301203A CN102147688A CN 102147688 A CN102147688 A CN 102147688A CN 2010103012036 A CN2010103012036 A CN 2010103012036A CN 201010301203 A CN201010301203 A CN 201010301203A CN 102147688 A CN102147688 A CN 102147688A
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Abstract
The invention discloses a method for improving the input accuracy of a capacitive touch screen. The method comprises the following steps of: decreasing the size of a sensing area of each key of a virtual keyboard; acquiring the position information of a touch point from a controller; acquiring a triggered key instruction according to the position information of the touch point; increasing the size of the sensing area of the key which is touched currently; and sending the triggered key instruction before a finger leaves the capacitive touch screen to an electronic device for processing, when receiving an instruction indicating that the finger leaves the capacitive touch screen. The invention also provides a system for improving the input accuracy of the capacitive touch screen. By the invention, the input accuracy and effectiveness of a user in the electronic device applying the capacitive touch screen can be improved.
Description
Technical field
The present invention relates to a kind of system and method that promotes the input accuracy, relate in particular to a kind of system and method that promotes capacitive touch screen input accuracy.
Background technology
At present, the touch-screen mobile phone of simple operation has been subjected to more and more people's favor, wherein capacitive touch screen is exactly wherein a kind of, capacitance touch needs a minimum area position location, when arriving touch-screen with finger touch, by calculating the ratio and the power of electric current, accurately calculate touch point position.
Yet when the dummy keyboard on capacitive touch screen is imported,, during button on touching dummy keyboard, usually touch or covered a more than button because people's finger is general all big than the dummy keyboard on the touch-screen.Simultaneously, the button of selecting when needs is covered always and is covered with, and the user does not know which button can be triggered yet.Therefore it is not high to cause importing accuracy easily, and reduces input speed.
Summary of the invention
In view of above content, be necessary to provide a kind of system that promotes capacitive touch screen input accuracy, it promotes the accuracy and the efficiency of input by suitably adjusting the induction region on the virtual key.
In addition, also be necessary to provide a kind of lifting capacitive touch screen input method of accuracy, it promotes the accuracy and the efficiency of input by suitably adjusting the induction region on the virtual key.
A kind of system that promotes capacitive touch screen input accuracy runs on the electronic installation, and described electronic installation comprises the controller that calculates the touch point positional information.This system comprises: adjusting module is used for reducing the range size of the induction region of each button of dummy keyboard when electronic installation enters the input editing state and show dummy keyboard on capacitive touch screen; Acquisition module is used for slave controller and obtains touch point position information; Described acquisition module also is used for obtaining the key command that is triggered according to described touch point position information; Described adjusting module also is used for after getting access to touch point position information, increases the range size of the induction region of the current button that is touched; Judge module is used to judge whether to receive the instruction that finger that controller sends leaves capacitive touch screen; Sending module is used for leaving key command to the electronic installation that is triggered before the capacitive touch screen and handling when receiving finger when leaving the instruction of capacitive touch screen, sending.
A kind of lifting capacitive touch screen input method of accuracy is applied on the electronic installation, and described electronic installation comprises the controller that calculates the touch point positional information.This method comprises the steps: A: when electronic installation enters the input editing state and show dummy keyboard on capacitive touch screen, reduce the range size of the induction region of each button of dummy keyboard; B: slave controller obtains touch point position information; C: according to described touch point position information, the instruction of obtaining the button that is triggered; D: after getting access to touch point position information, increase the range size of the induction region of the current button that is touched; E: judge whether to receive the instruction that finger that controller sends leaves capacitive touch screen; F: leave key command to the electronic installation that is triggered before the capacitive touch screen and handle when receiving finger when leaving the instruction of capacitive touch screen, sending.
Compared to prior art, the system and method for described lifting capacitive touch screen input accuracy, by the induction region on the suitable adjustment virtual key, and the button that the active user touched pointed out, reduce the chance of false touch, improve accuracy and efficiency that the user imports in the electronic installation of using capacitive touch screen.
Description of drawings
Fig. 1 is the environment architecture figure of the preferred embodiment of the present invention system of promoting capacitive touch screen input accuracy.
Fig. 2 is the demonstration synoptic diagram that the present invention reduces induction region.
Fig. 3 is the demonstration synoptic diagram of the present invention's induction region of increasing the current button that is touched.
Fig. 4 is the process flow diagram that the present invention promotes the preferred embodiment of capacitive touch screen input method of accuracy.
The main element symbol description
| Electronic installation | 1 |
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10 |
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12 |
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100 |
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102 |
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104 |
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106 |
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108 |
Embodiment
As shown in Figure 1, be the environment architecture figure of the preferred embodiment of the present invention system of promoting capacitive touch screen input accuracy.The system 10 (hereinafter referred " elevator system 10 ") of described lifting capacitive touch screen input accuracy runs on the electronic installation 1, and this electronic installation 1 comprises capacitive touch screen 12 and controller 14.
This capacitive touch screen 12 is to utilize the induction by current of human body to carry out work.When finger touch was on touch-screen, because people's bulk electric field, user and touch screen surface formed a coupling capacitance, and for high-frequency current, electric capacity is direct conductor, so finger siphons away a very little electric current from contact point.This electric current flows out the electrode from four jiaos of touch-screen respectively, and the electric current of these four electrodes of flowing through is directly proportional with the distance of pointing four jiaos, and described controller 14 draws touch point position information by the accurate Calculation to these four current ratios.
When described controller 14 also was used for leaving capacitive touch screen 12 surperficial after finger is touching, the instruction that can send fingerout was promptly sent and is pointed the instruction of leaving capacitive touch screen 12.
Described elevator system 10 comprises adjusting module 100, acquisition module 102, reminding module 104, judge module 106 and sending module 108.
Described adjusting module 100 is used for reducing the range size of the induction region of each button of dummy keyboard when electronic installation 1 enters the input editing state and show dummy keyboard on capacitive touch screen 12.At this moment, capacitive touch screen 12 is not by finger touch.For example can be with the length and the reduced width 15% of current induction region, the induction region range size of supposing each button on the script dummy keyboard is 4mm * 2mm (long * wide), the range size that then can reduce each key induced zone is 3.4mm * 1.7mm.It should be noted that and when the user touches the induction region of one of them button in the dummy keyboard, can trigger described button.At this moment, described minimizing induction region size is in order to prepare to touch on the capacitive touch screen 12 dummy keyboard that shows as the user and to import, and forces the user to select accurately to import, and triggering needs the button selected.As shown in Figure 2, label 21 expression electronic installations 1 original virtual key shows synoptic diagram, and wherein button " D " induction region originally as shown in the reference numeral 23.The demonstration synoptic diagram of the dummy keyboard behind label 22 expressions minimizing induction region.Synoptic diagram after wherein the induction region of button " D " reduces as shown in the reference numeral 24.
Described acquisition module 102 is used for slave controller 14 and obtains touch point position information.When the button on the described dummy keyboard during by finger touch, controller 14 can calculate touch point position information.
Described adjusting module 100 also is used for after getting access to touch point position information, increases the range size of the induction region of the current button that is touched.For example the length and the width of current induction region can be increased 15%, the induction region range size of supposing the current button that is touched is 3.4mm * 1.7mm (long * wide), then the range size in this key induced zone can be increased to be 3.91mm * 1.955mm.As shown in Figure 3, suppose that the current button that is touched is button " D ", the dummy keyboard behind the induction region of the label 25 expressions increase the current button that is touched " D " shows synoptic diagram.The demonstration synoptic diagram of the induction region of button " D " as shown in the reference numeral 26 after wherein induction region increased.It should be noted that the range size that increases induction region this moment is to carry out having triggered wrong button owing to moved a bit because of carelessness when mobile in order to prevent to point in the process that touches a button.But it should be noted, the maximum length of the induction region of the current button that is touched that increases should be no more than the mid point mid point online and each adjacent key induction region of below of its each adjacent key induction region of top vertical range between online, and the width of the maximum of the induction region of the current button that is touched of increase should be no more than the distance of the mid point line in adjacent two key induced zones, its left and right sides.Shown in the dotted line among Fig. 3, be the maximum magnitude of the induction region increase of the current button that is touched " D ".The current button that is touched is button " D ", and then the maximum length that increases of its induction region be the online vertical range of mid point of the online induction region with its below adjacent key " X " and " C " with the mid point of the induction region of " T " of its top adjacent key " R "; The breadth extreme that its induction region increases is the distance of mid point line of mid point adjacent key right-hand with it " F " induction region of the induction region of its left adjacent key " S ".
Described acquisition module 102 also is used for the touch point position information obtained according to described, obtains the corresponding key command that is triggered.
Described reminding module 104 is used for according to the key command that is triggered, and ejects prompt window on this button next door, shows the button that is triggered.
Described judge module 106 is used to judge whether to receive the finger out instruction that controller 14 sends, and judges promptly whether finger leaves capacitive touch screen 12.
Described sending module 108 is used for when receiving the finger out instruction of controller 14 transmissions, the transmission finger leaves key command to the electronic installation 1 that is triggered before the capacitive touch screen 12 and handles, at this moment, when finger leaves this capacitive touch screen 12, be presented at dummy keyboard on this capacitive touch screen 12 and be the dummy keyboard of the range size of the induction region that adjusting module 100 reduced each button.
It should be noted that when send leave the key command that is triggered before the capacitive touch screen 12 and be the key command of the careless mistake that triggers of user the time, the user need delete corresponding key or re-enter.
As shown in Figure 4, be the process flow diagram that the present invention promotes the preferred embodiment of capacitive touch screen input method of accuracy.This preferred embodiment is that example describes to touch the button process in the dummy keyboard.
Step S100, when electronic installation entered the input editing state and show dummy keyboard on capacitive touch screen, adjusting module 100 reduced the range size of the induction region of each button of dummy keyboard; For example can be with the length and the reduced width 15% of current induction region.At this moment, finger does not touch the dummy keyboard on the capacitive touch screen 12.
Step S101 is used for when certain button on the described dummy keyboard during by finger touch, and acquisition module 102 slave controllers 14 obtain touch point position information.
Step S102, after getting access to touch point position information, adjusting module 100 increases the range size of the induction region of the current button that is touched.For example the length and the width of current induction region can be increased 15%.It should be noted that this moment, finger still moved, and did not leave this capacitive touch screen 12 on this button or around this button.
Step S103, according to the described touch point position information of obtaining, acquisition module 102 obtains the key command that triggered and according to the key command that is triggered, reminding module 104 ejects prompt window on this virtual key next door, shows the button that is triggered.
Step S104, judge module 106 judge whether to receive the finger out instruction that controller 14 sends, and judge promptly whether finger leaves capacitive touch screen 12.When finger leaves capacitive touch screen 12, enter step S105; Otherwise return step S103.
Step S105, sending module 108 send finger leave the key command that triggered before the capacitive touch screen 12 to electronic installation 1 to handle.
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 (7)
1. a system that promotes capacitive touch screen input accuracy runs on the electronic installation, and described electronic installation comprises the controller that calculates the touch point positional information, it is characterized in that this system comprises:
Adjusting module is used for reducing the range size of the induction region of each button of dummy keyboard when electronic installation enters the input editing state and show dummy keyboard on capacitive touch screen;
Acquisition module is used for slave controller and obtains touch point position information;
Described adjusting module also is used for after getting access to touch point position information, increases the range size of the induction region of the current button that is touched;
Described acquisition module also is used for obtaining the key command that is triggered according to described touch point position information;
Judge module is used to judge whether to receive the instruction that finger that controller sends leaves capacitive touch screen;
Sending module is used for leaving key command to the electronic installation that is triggered before the capacitive touch screen and handling when receiving finger when leaving the instruction of capacitive touch screen, sending.
2. the system of lifting capacitive touch screen input accuracy as claimed in claim 1 is characterized in that this system also comprises:
Reminding module is used for according to the key command that is triggered, and ejects prompt window on this button next door, shows the button that is triggered.
3. the system of lifting capacitive touch screen input accuracy as claimed in claim 1, it is characterized in that, the maximum length of the induction region of the current button that is touched that described adjusting module increases should be no more than the mid point mid point online and each adjacent key induction region of below of its each adjacent key induction region of top vertical range between online, and the width of the maximum of the induction region of the current button that is touched of increase should be no more than the distance of the mid point line in adjacent two key induced zones, its left and right sides.
4. one kind promotes capacitive touch screen input method of accuracy, is applied on the electronic installation, and described electronic installation comprises the controller that calculates the touch point positional information, it is characterized in that this method comprises the steps:
A: when electronic installation enters the input editing state and show dummy keyboard on capacitive touch screen, reduce the range size of the induction region of each button of dummy keyboard;
B: slave controller obtains touch point position information;
C: after getting access to touch point position information, increase the range size of the induction region of the current button that is touched;
D: according to described touch point position information, the instruction of obtaining the button that is triggered;
E: judge whether to receive the instruction that finger that controller sends leaves capacitive touch screen;
F: leave key command to the electronic installation that is triggered before the capacitive touch screen and handle when receiving finger when leaving the instruction of capacitive touch screen, sending.
5. lifting capacitive touch screen input method of accuracy as claimed in claim 4 is characterized in that, described step D also comprises according to the key command that is triggered, and ejects prompt window on this button next door, shows the button that is triggered.
6. lifting capacitive touch screen as claimed in claim 5 input method of accuracy is characterized in that, when receiving that not finger that controller sends leaves the instruction of capacitive touch screen, returns step D.
7. lifting capacitive touch screen input method of accuracy as claimed in claim 4, it is characterized in that, the maximum length of the induction region of the current button that is touched of described increase should be no more than the vertical range of mid point mid point online and each adjacent key induction region of below between online of its each adjacent key induction region of top, and the width of the maximum of the induction region of the current button that is touched of increase should be no more than the distance of the mid point line in adjacent two key induced zones, its left and right sides.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010301203.6A CN102147688B (en) | 2010-02-04 | 2010-02-04 | System and method for improving input accuracy of capacitive touch screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010301203.6A CN102147688B (en) | 2010-02-04 | 2010-02-04 | System and method for improving input accuracy of capacitive touch screen |
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| Publication Number | Publication Date |
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| CN102147688A true CN102147688A (en) | 2011-08-10 |
| CN102147688B CN102147688B (en) | 2014-07-09 |
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| CN201010301203.6A Active CN102147688B (en) | 2010-02-04 | 2010-02-04 | System and method for improving input accuracy of capacitive touch screen |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102314387A (en) * | 2011-09-26 | 2012-01-11 | 惠州Tcl移动通信有限公司 | Method for measuring accuracy of touch screen |
| CN103034431A (en) * | 2011-10-06 | 2013-04-10 | 丽智科技股份有限公司 | Intelligent GUI touch method and system |
| CN104679435A (en) * | 2015-03-24 | 2015-06-03 | 联想(北京)有限公司 | Information processing method and electronic equipment |
| CN105335079A (en) * | 2014-06-27 | 2016-02-17 | 联想(北京)有限公司 | Input method, input device for virtual keyboard and electronic equipment |
| CN105511756A (en) * | 2015-12-09 | 2016-04-20 | 小米科技有限责任公司 | Operation processing method and device |
| CN106708410A (en) * | 2016-12-16 | 2017-05-24 | 广东欧珀移动通信有限公司 | Method and device for preventing spurious triggering of touch keys and terminal |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100365552C (en) * | 2004-07-05 | 2008-01-30 | 英业达股份有限公司 | Keyboard capable of automatically regulating key spacing and its method |
| CN101498979B (en) * | 2009-02-26 | 2010-12-29 | 苏州瀚瑞微电子有限公司 | Method for implementing virtual keyboard by utilizing condenser type touch screen |
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2010
- 2010-02-04 CN CN201010301203.6A patent/CN102147688B/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102314387A (en) * | 2011-09-26 | 2012-01-11 | 惠州Tcl移动通信有限公司 | Method for measuring accuracy of touch screen |
| CN103034431A (en) * | 2011-10-06 | 2013-04-10 | 丽智科技股份有限公司 | Intelligent GUI touch method and system |
| CN105335079A (en) * | 2014-06-27 | 2016-02-17 | 联想(北京)有限公司 | Input method, input device for virtual keyboard and electronic equipment |
| CN105335079B (en) * | 2014-06-27 | 2019-07-26 | 联想(北京)有限公司 | For the input method of dummy keyboard, input unit and electronic equipment |
| CN104679435A (en) * | 2015-03-24 | 2015-06-03 | 联想(北京)有限公司 | Information processing method and electronic equipment |
| CN104679435B (en) * | 2015-03-24 | 2018-03-27 | 联想(北京)有限公司 | Information processing method and electronic equipment |
| CN105511756A (en) * | 2015-12-09 | 2016-04-20 | 小米科技有限责任公司 | Operation processing method and device |
| CN106708410A (en) * | 2016-12-16 | 2017-05-24 | 广东欧珀移动通信有限公司 | Method and device for preventing spurious triggering of touch keys and terminal |
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| Publication number | Publication date |
|---|---|
| CN102147688B (en) | 2014-07-09 |
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