CN105260070A - Capacitive touch panel based method and system for detecting single-hand operation - Google Patents
Capacitive touch panel based method and system for detecting single-hand operation Download PDFInfo
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- CN105260070A CN105260070A CN201510633299.9A CN201510633299A CN105260070A CN 105260070 A CN105260070 A CN 105260070A CN 201510633299 A CN201510633299 A CN 201510633299A CN 105260070 A CN105260070 A CN 105260070A
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Abstract
The invention discloses a capacitive touch panel based method for detecting a single-hand operation. The method comprises: (1) determining whether a thumb is in contact with a screen of a mobile terminal; (2) when the thumb is in contact with the screen of the mobile terminal, determining whether a length-width ratio of a contact surface meets a side edge range of the thumb; (3) when the ratio meets the range, determining whether an angle between a long axis and a Y axis of an ellipse meets a preset range; and (4) determining whether the operation is the single-hand operation according to a determining result in the step (3). Compared with the prior art, the method has the characteristics that multi-point touch characteristics of a capacitive touch panel are utilized, the single-hand operation of the screen is detected in combination with the length-width ratio of the contact surface of the thumb in contact with the screen and the angle between the long axis and the Y axis of the contact surface, and the problems of high complexity, high misjudgment rate and the like during single-hand operation detection caused by external factors and the like are eliminated, namely, the method is accurate, quick and simple. The invention discloses a capacitive touch panel based system for detecting the single-hand operation at the same time.
Description
Technical field
The present invention relates to the operative technique field of intelligent mobile terminal, relate more specifically to a kind of method based on capacitance type touch-control panel detecting one-handed performance and system thereof.
Background technology
Intelligent hand-hold equipment now, especially mobile phone and flat board, be equipped with capacitance type multi-point touch-control screen nearly all.This is because multipoint sensing is necessary for the gesture detecting of user or the design of the man-machine interface such as virtual game bar, add the degree of reaction of capacitive Touch Screen and fluency is high and price is relatively cheap in recent years, so no matter the grade of Intelligent hand-hold equipment is high-order or low order, be all almost equipped with capacitance type multi-point touch-control screen.
And developing rapidly along with mobile communication, the function of intelligent handheld device is also more complete, therefore, modern for the dependency degree of Intelligent hand-hold equipment high, almost can see that people are at slip mobile phone or flat board whenever and wherever possible.But under some situation, user has to use singlehanded and its handheld apparatus interaction.Such as a feeding edge, uses mobile phone; When travelling frequently, stand on bus, another hand of handle hand uses mobile phone on the other hand; Maximum situations is portable the handbag that walks the Line, and another hand uses mobile phone.More and more many situations cause user regularly to use single hand operation of mobile phone even dull and stereotyped, and how to allow user that one hand can be used easily to operate mobile phone plane plate, are also the problems that a lot of user's experience (UX) team is studied.
At present, a lot of brand manufacturers designs the pattern of one-handed performance, and screen mainly reduces and is moved in the scope of singlehanded thumb operable by it.For Fig. 1, operate this mobile phone when one hand holds machine, region 1 is " comfort zone ", and namely user easily can do the region of touch-control action; Two regions 2 " available area ", namely user can do the region of touch-control action reluctantly; Region 3 " unavailable " district, except non-replaceable holds motor-driven work, otherwise cannot arrive by thumb contact.As everyone knows, " unavailable " district the change along with mobile phone screen should be become greatly and and then large.Such as iPhone6Plus, as shown in Figure 2, " unavailable district " 3 adds " available area " 2 much larger than " comfort zone ".So whole user interface must be moved down, so that user does one-handed performance in the singlehanded pattern of iPhone6Plus.
But current commercially available mobile phone and flat board do not find that there is the function of any automatic decision one-handed performance.Common idea is the angle using gravity sensor (G-Sensor) or gyroscope (Gyroscope) to remove to detect current mobile phone, the parameters such as acceleration during operation, goes to judge that current operator scheme is as singlehanded or both hands.But utilize gravity sensor or gyroscope to judge that user is as method that is singlehanded or held by both hands machine, main shortcoming is that complexity is high, not accurate enough stable again.Reason is that following difference all may cause erroneous judgement: (1) everyone hand is not of uniform size; (2) one hand holds the position of machine not necessarily; (3) right-hand man may hold by one hand; (4) under different situation, such as, be seated and have a meal, walk the Line, read-out sensing numerical value is completely different.Namely because the variable that affects is a lot, cannot really find out one group can parameter and model do and judge, so this type of method is still in conceptual phase, cannot really be applied to commercially available mobile phone and flat board.
Summary of the invention
In view of the above-mentioned technical matters existing for prior art, the object of this invention is to provide a kind of based on the capacitance type touch-control panel detecting method of one-handed performance and system thereof, the method and system simple, and accuracy is high.
For achieving the above object, the invention provides a kind of method based on capacitance type touch-control panel detecting one-handed performance, comprising:
(1) judge whether the screen of thumb contact mobile terminal, this screen is capacitance type touch-control panel and has a Y-axis, and Y-axis is parallel to the longitudinal direction of screen;
(2) when there being thumb contact screen, detecting and judging whether the length breadth ratio of the surface of contact that thumb contact screen is formed meets the side ranges of thumb, this surface of contact is an ellipse;
(3) when length breadth ratio meets the side ranges of thumb, detect and judge whether the angle of oval major axis and Y-axis meets preset range;
(4) determine whether as one-handed performance according to the judged result of (3).
Compared with prior art, method of the present invention has first judged whether thumb contact screen, then judge whether the length breadth ratio of the surface of contact of thumb contact screen meets the side ranges of thumb more further, when meeting side ranges, judge whether the oval major axis of surface of contact and the angle of Y-axis meet preset range again, when these segmentation symbols match, then judge current as one-handed performance; This process employs the multi-point touch characteristic of capacitance type touch-control panel, and in conjunction with the angle of the length breadth ratio of the surface of contact of thumb contact screen and the major axis of surface of contact and Y-axis, achieve the detecting to one-handed performance screen, eliminate because of extraneous factor (as not of uniform size in staff, hold seat in the plane put indefinite) etc. cause one-handed performance to detect time complexity high, the problem such as False Rate is high, namely the method is accurately, fast and simple.
In the preferred embodiment of the present invention, also comprise before judging whether the screen of thumb contact mobile terminal:
Judge whether finger contact screen;
The ccf layer of information to mobile terminal of surface of contact is reported according to judged result.
In another preferred embodiment of the present invention, also comprise after step (4):
Angle according to the centre coordinate of ellipse and the major axis of ellipse and Y-axis is judged as left-handed operation or right-hand operated.
Correspondingly, present invention also offers a kind of system based on capacitance type touch-control panel detecting one-handed performance, comprising:
Thumb judge module, for judging whether the screen of thumb contact mobile terminal;
First judge module, for when there being thumb contact screen, detection judge whether the length breadth ratio of the surface of contact that thumb contact screen is formed meets the side ranges of thumb;
Second judge module, during for meeting the side ranges of thumb, detection judge whether the angle of oval major axis and Y-axis meets preset range when length breadth ratio; And
First determination module, for determining whether as one-handed performance according to the judged result of the second judge module.
Alternatively, in the preferred embodiment of the present invention, this system also comprises:
Finger judge module, for having judged whether finger contact screen;
Reporting module, for reporting the ccf layer of information to mobile terminal of surface of contact according to the judged result of finger judge module.
Alternatively, in another preferred embodiment of the present invention, this system also comprises:
Second determination module, for being judged as left-handed operation or right-hand operated according to the angle of the centre coordinate of ellipse and the major axis of ellipse and Y-axis.
By following description also by reference to the accompanying drawings, the present invention will become more clear, and these accompanying drawings are for explaining embodiments of the invention.
Accompanying drawing explanation
Fig. 1 is that one hand is shaken hands the schematic diagram of machine.
Fig. 2 is iPhone6Plus screen diagrams.
Fig. 3 is the main flow chart of the method that the present invention is based on capacitance type touch-control panel detecting one-handed performance.
Fig. 4 is the schematic diagram of thumb contact screen.
Fig. 5 the present invention is based on the process flow diagram of method one embodiment of capacitance type touch-control panel detecting one-handed performance.
Fig. 6 judges the manual schematic diagram in left and right according to angle.
Fig. 7 is the schematic diagram that left hand-held set from top to bottom slides on screen.
Fig. 8 is the main block diagram of the system that the present invention is based on capacitance type touch-control panel detecting one-handed performance.
Fig. 9 is the block diagram of system one embodiment that the present invention is based on capacitance type touch-control panel detecting one-handed performance.
Embodiment
With reference now to accompanying drawing, describe embodiments of the invention, element numbers similar in accompanying drawing represents similar element.
In order to understand the present invention better, first following explanation is done to its ultimate principle.Principle of the present invention is the characteristic utilizing capacitance touch control screen multiple spot to detect, can support in theory count and can detect much larger than application layer count.This is mainly because the problem of precision and resolution.So when finger touch is to panel, although be by next point for user, but because finger is a face in fact, so for bottom core or a piece of wood serving as a brake to halt a carriage body (firmware), in fact detect multiple point and formed one side, and return primary contact point (MajorTouch) and and the angle enantiomorphic relationship (Orientation) of X-axis and Y-axis, add that the length breadth ratio (Majorlength:Minorlength) of surface of contact judges user by this whether as one-handed performance.
Wherein, about main contactor, now do following explanation: above-mentioned " the multiple point " mentioned and user use to refer to that the multiple spot produced is different more, " multiple point " herein refers to bottom hardware a piece of wood serving as a brake to halt a carriage body when user's finger contact screen, only can not produce the point of an XY, but multiple, the namely meaning in a face.And primary contact point refers to the central point in multiple some formation face.This part is also the result up returned by hardware and a piece of wood serving as a brake to halt a carriage body.
Please refer to Fig. 3, the present invention is based on the method for capacitance type touch-control panel detecting one-handed performance, it comprises:
S101, judges whether the screen of thumb contact mobile terminal, if so, then performs step S102, otherwise, then repeat S101.It should be noted that, this screen is capacitance type touch-control panel and has a Y-axis, and Y-axis is parallel to the longitudinal direction (as shown in Figure 4) of screen.Particularly, as shown in Figure 4, when thumb contact screen, its surface of contact is an ellipse, and the center O of ellipse is contact point.
S102, detects and judges whether the length breadth ratio of the surface of contact that thumb contact screen is formed meets the side ranges of thumb, if so, then performs step S103, otherwise, then terminate; As shown in Figure 4, this length breadth ratio is oval major axis and the ratio of minor axis.
S103, detects and judges whether the angle of oval major axis and Y-axis meets preset range; If so, then step S104 is performed, otherwise, then terminate.Wherein the angle of major axis and Y-axis is 4 in Fig. 4.
S104, is defined as one-handed performance.
Compared with prior art, method of the present invention has first judged whether thumb contact screen, then judge whether the length breadth ratio of the surface of contact of thumb contact screen meets the side ranges of thumb more further, when meeting side ranges, judge whether the oval major axis of surface of contact and the angle of Y-axis meet preset range again, when these segmentation symbols match, then judge current as one-handed performance; This process employs the multi-point touch characteristic of capacitance type touch-control panel, and in conjunction with the angle of the length breadth ratio of the surface of contact of thumb contact screen and the major axis of surface of contact and Y-axis, achieve the detecting to one-handed performance screen, eliminate because of extraneous factor (as not of uniform size in staff, hold seat in the plane put indefinite) etc. cause one-handed performance to detect time complexity high, the problem such as False Rate is high, namely the method is accurately, fast and simple.
Please refer to Fig. 5 again, the process flow diagram of the inventive method one embodiment comprises:
S201, has judged whether finger contact screen, if so, then performs step S202, otherwise, then repeat step S201.
S202, reports surface of contact information to the ccf layer of mobile terminal.Particularly, after the touch chip firmware of mobile terminal has detected finger contact screen, upwards can return the information (comprising oval length breadth ratio, oval centre coordinate and the major axis of ellipse and the angle of Y-axis) of surface of contact, core drives and transfers the information of this surface of contact to system touch-control agreement (TouchProtocol) further, and is reported to ccf layer.
S203, judges whether the screen of thumb contact mobile terminal, if so, then performs step S204, otherwise, then repeat S201.Particularly, according to surface of contact, mobile terminal also can judge that current is forefinger or thumb contact screen, as forefinger front face, surface of contact is approximately rounded, so length breadth ratio is about 1:1, and width is approximately 0.7 ~ 0.8cm (170cm, 60KG are grown up); If thumb front face moves, about ovalize, length breadth ratio is about 1.2:1, and width is approximately 1.2 ~ 1.3cm.
S204, detects and judges whether the length breadth ratio of the surface of contact that thumb contact screen is formed meets the side ranges of thumb, if so, then performs step S205, otherwise, then terminate.
S205, detects and judges whether the angle of oval major axis and Y-axis meets preset range; If so, then step S206 is performed, otherwise, then terminate.Particularly, whether the major axis of ellipse of ccf layer detection surface of contact and the angle of screen Y-axis meet angular range during one-handed performance, if so, perform step S206 further, otherwise, then terminate.
S206, determines that user uses singlehanded thumb to operate screen, and judges current as left-handed operation or right-hand operated.Particularly, as shown in Figure 6, ellipse is above the surface of contact that right-hand operated is formed, and ellipse below then left and right operation formed.The major axis of the ellipse that angle 5 is formed for the right hand and the angle of Y-axis in figure, the major axis of angle 6 ellipses formed for left hand and the angle of Y-axis.Before beginning method of the present invention, the angle that first setting Y-axis rotates clockwise is 0-180 degree, and is 0--180 degree along the angle be rotated counterclockwise.Like this, when right-hand operated screen, detect that being equivalent to Y-axis has been rotated counterclockwise certain angle 5 (i.e. the angle 5 of major axis and Y-axis), such as this angle is 60 degree, for the TouchProtocol of Linux, the tangent value tan (-60)=-1.7321 of its passback, therefore judge current as right-hand operated with this negative value.In like manner, when left-handed operation screen, detect that being equivalent to Y-axis has turned clockwise certain angle 6 (i.e. the angle 6 of major axis and Y-axis), such as this angle is 50 degree, for the TouchProtocol of Linux, the tangent value tan (50)=1.1918 of its passback, therefore judge current as left-handed operation with this positive.
It should be noted that, please refer to Fig. 7, with thumb side, when left hand holds machine, contact point (i.e. elliptical center) is when screen center, and the angle of major axis and Y-axis is approximately 45 degree, more toward square degree under Y-axis larger (thumb more points to right), more up square degree less (thumb more points to top), therefore, the position of contact point and major axis are relevant with the angle of Y-axis.Therefore, one-handed performance can be determined whether according to the correction data in the angle of length breadth ratio, oval centre coordinate, major axis and Y-axis and mobile terminal.Usually, bist data can be done with the hand of common people and hold, such as with the male sex of height 170 centimeters, body weight 60kg, single-hand handling & machine, thumb side is utilized to do more than twice slip from top to bottom, so can obtain the relation of thumb length breadth ratio, elliptical center coordinate and angle, using as correction data.
In addition, to utilizing length breadth ratio to determine forefinger or thumb in the present embodiment, and the problem meeting thumb side ranges does following explanation to utilize length breadth ratio to determine whether.Above-mentioned two problems must obtain via the method corrected.Because the susceptibility of touch-control hardware is different, therefore can measures different number ratios, therefore need the scope repeatedly testing to obtain number ratios.When single finger contact screen, if forefinger front face, surface of contact approximately presents circle, and length breadth ratio is 1:1, and the about 0.7 ~ 0.8cm of width (with 170cm, 60KG adult for example); If thumb front face, the about ovalize of surface of contact, major and minor axis ratio is about 1.2:1, the about 1.2 ~ 1.3cm of width.In addition, when thumb contact aside, surface of contact is oblong, and its axial ratio regular meeting is more than 2.That is, when determining forefinger or thumb, be that repeatedly to record different Aspect Ratios by forefinger and thumb multiple-contact screen determined; And when determining whether length breadth ratio meets thumb side ranges, be that repeatedly to record different Aspect Ratios by thumb side multiple-contact screen determined.
Known in conjunction with foregoing description, the method for the present embodiment, not only can realize the detecting to one-handed performance screen, can also judge left hand or right hand hand-held mobile terminal further, and the method accuracy is high, quick, simple.
Correspondingly, as shown in Figure 8, present invention also offers a kind of system based on capacitance type touch-control panel detecting one-handed performance, it comprises:
Thumb judge module 10, for judging whether the screen of thumb contact mobile terminal; Screen is capacitance type touch-control panel and has a Y-axis, and Y-axis is parallel to the longitudinal direction of screen;
First judge module 11, for when there being thumb contact screen, detection judge whether the length breadth ratio of the surface of contact that thumb contact screen is formed meets the side ranges of thumb, this surface of contact is one oval;
Second judge module 12, during for meeting the side ranges of thumb, detection judge whether the angle of oval major axis and Y-axis meets preset range when length breadth ratio; And
First determination module 13, for determining whether as one-handed performance according to the judged result of the second judge module 12.
Compared with prior art, system of the present invention, first judge whether thumb contact screen by thumb judge module 10, when sometimes, first judge module 11 detects and judges whether length breadth ratio meets thumb side ranges further, and when these segmentation symbols match, the second judge module 12 detects and judges whether the angle of major axis and Y-axis meets preset range, finally, the first determination module 13 determines whether as one-handed performance according to the judged result of the second judge module 12.Compared with prior art, this system can judge currently whether be hold by one hand mobile terminal exactly, and accuracy is high, and simply, fast.
Further, in an embodiment of present system, as shown in Figure 9, it also comprises:
Finger judge module 14, for having judged whether finger contact screen;
Reporting module 15, is connected with the first judge module 11 ', for reporting the ccf layer of information to mobile terminal of surface of contact according to the judged result of finger judge module 14;
Second determination module 16, is connected with the first determination module 13 ', for being judged as left-handed operation or right-hand operated according to the angle of the centre coordinate of ellipse and the major axis of ellipse and Y-axis.
It should be noted that, the annexation of thumb judge module 10 ', first judge module 11 ' of the system in this enforcement, the second judge module 12 ' and the first determination module 13 ' and function and previous embodiment similar, therefore not repeat them here.And known in conjunction with aforementioned description, the system in the present embodiment not only can judge one-handed performance screen exactly, also can determine that current is left hand or right hand hand-held mobile terminal according to the second determination module 16.
As can be seen from the above description, method of the present invention and system thereof make use of the multi-point touch characteristic of capacitance type touch-control panel, and in conjunction with the angle of the length breadth ratio of the surface of contact of thumb contact screen and the major axis of surface of contact and Y-axis, achieve the detecting to one-handed performance screen, eliminate because of extraneous factor (as not of uniform size in staff, hold seat in the plane put indefinite) etc. cause one-handed performance to detect time complexity high, the problem such as False Rate is high, namely the method is accurately, fast and simple.And the method and system thereof also can judge that current is left and right or right hand hand-held mobile terminal further, have namely distinguished the situation of right-hand man's single-hand held mobile terminal exactly.
More than in conjunction with most preferred embodiment, invention has been described, but the present invention is not limited to the embodiment of above announcement, and should contain various carry out according to essence of the present invention amendment, equivalent combinations.
Claims (10)
1., based on a method for capacitance type touch-control panel detecting one-handed performance, it is characterized in that, comprising:
(1) judge whether the screen of thumb contact mobile terminal, described screen is capacitance type touch-control panel and has a Y-axis, and described Y-axis is parallel to the longitudinal direction of described screen;
(2) when there being screen described in described thumb contact, detecting and judging whether the length breadth ratio of the surface of contact that screen is formed described in described thumb contact meets the side ranges of described thumb, described surface of contact is an ellipse;
(3) when described length breadth ratio meets the side ranges of described thumb, detect and judge whether the major axis of described ellipse and the angle of described Y-axis meet preset range;
(4) determine whether as one-handed performance according to the judged result of (3).
2. the method for claim 1, is characterized in that, also comprises before judging whether the screen of thumb contact mobile terminal:
Judge whether screen described in finger contact;
Report the information of described surface of contact to the ccf layer of described mobile terminal according to judged result.
3. method as claimed in claim 2, is characterized in that, the information of described surface of contact comprises the angle of described length breadth ratio, the centre coordinate of described ellipse and the major axis of described ellipse and described Y-axis.
4. method as claimed in claim 3, is characterized in that, judge whether that the screen of thumb contact mobile terminal specifically comprises:
Screen described in thumb contact has been judged whether according to described length breadth ratio.
5. the method as described in claim 3 or 4, is characterized in that, also comprises after step (4):
Angle according to the centre coordinate of described ellipse and the major axis of described ellipse and described Y-axis is judged as left-handed operation or right-hand operated.
6., based on a system for capacitance type touch-control panel detecting one-handed performance, it is characterized in that, comprising:
Thumb judge module, for judging whether the screen of thumb contact mobile terminal, described screen is capacitance type touch-control panel and has a Y-axis, and described Y-axis is parallel to the longitudinal direction of described screen;
First judge module, for when there being screen described in described thumb contact, detection judge whether the length breadth ratio of the surface of contact that screen is formed described in described thumb contact meets the side ranges of described thumb, described surface of contact is one oval;
Second judge module, for when described length breadth ratio meets the side ranges of described thumb, detection judge whether the major axis of described ellipse and the angle of described Y-axis meet preset range; And
First determination module, for determining whether as one-handed performance according to the judged result of described second judge module.
7. system as claimed in claim 6, is characterized in that, also comprise:
Finger judge module, for having judged whether screen described in finger contact;
Reporting module, for reporting the information of described surface of contact to the ccf layer of described mobile terminal according to the judged result of described finger judge module.
8. system as claimed in claim 7, is characterized in that, the information of described surface of contact comprises the angle of described length breadth ratio, the centre coordinate of described ellipse and the major axis of described ellipse and described Y-axis.
9. system as claimed in claim 8, it is characterized in that, described finger judge module has judged whether screen described in thumb contact according to described length breadth ratio.
10. system as claimed in claim 8 or 9, is characterized in that, also comprise:
Second determination module, for being judged as left-handed operation or right-hand operated according to the angle of the centre coordinate of described ellipse and the major axis of described ellipse and described Y-axis.
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| CN201510633299.9A CN105260070A (en) | 2015-09-30 | 2015-09-30 | Capacitive touch panel based method and system for detecting single-hand operation |
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| CN201510633299.9A CN105260070A (en) | 2015-09-30 | 2015-09-30 | Capacitive touch panel based method and system for detecting single-hand operation |
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Cited By (1)
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| CN105843447A (en) * | 2016-03-21 | 2016-08-10 | 深圳市金立通信设备有限公司 | Touch method and terminal |
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