CN104679421A - Accidental touch screen edge touch preventing method and equipment - Google Patents
Accidental touch screen edge touch preventing method and equipment Download PDFInfo
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- CN104679421A CN104679421A CN201310631615.XA CN201310631615A CN104679421A CN 104679421 A CN104679421 A CN 104679421A CN 201310631615 A CN201310631615 A CN 201310631615A CN 104679421 A CN104679421 A CN 104679421A
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Abstract
The invention discloses an accidental touch screen edge touch preventing method and equipment. The accidental touch screen edge touch preventing method includes that when an infrared distance sensor detects object shielding in a set detection range s, and the object shielding duration time arrives at a preset time t, sending out the information that the infrared distance sensor is triggered; after terminal equipment knows that the infrared distance sensor is triggered, calculating the corresponding touch screen position of the infrared distance sensor on the terminal equipment; allowing the terminal equipment to shield touch events in a semi-circular region which uses the touch screen position as the circle center and the set distance r as radius so as to avoid the accidental touch screen edge touch operation. By means of the accidental touch screen edge touch preventing method and equipment, the accidental operation can be avoided, the accidental touch operation generated when a user uses the terminal equipment is avoided, and the on-going recreation experience is not influenced; the accidental touch screen edge touch preventing method and equipment enable the use experience of the user to be improved and the terminal equipment experience effect of the user to be improved.
Description
Technical field
The present invention relates to communication technical field, especially a kind of false-touch prevention method and apparatus of touch-screen edge.
Background technology
Day by day universal along with smart mobile phone and panel computer, each manufacturer terminal, also in the technology of constantly bringing forth new ideas, pursues new-type graceful terminal moulding.For this reason, when smart mobile phone and dull and stereotyped computer dimensions are fixed, manufacturer terminal, constantly reducing the width of frame, makes it narrow, to increase screen area, makes the effect that smart mobile phone and panel computer reach more attractive in appearance.Wherein, the frame narrowed is often only for fixed mask and back cover, and when user receives calls, receiver arrives certain distance in one's ear, major part smart mobile phone understands oneself locking screen, the maloperation touching smart mobile phone screen to prevent the face of user and carry out.
Current constantly universal along with smart mobile phone and panel computer, function is also increasingly powerful, the current more time is at the following functions enjoying smart mobile phone and panel computer, as listened to the music, seeing video, read books or play games, now do not need to carry out too much operation, only need hand-held intelligent mobile phone or panel computer, be put into the distance of a suitable amusement.But; because the frame of smart mobile phone and panel computer is more and more narrow, the region making not have touch screen to respond to is more and more less, therefore; no matter be seated to see that video or recumbency are read; then when lifting smart mobile phone or panel computer, often can there is hand and touching touch screen induction zone, then producing the phenomenon of maloperation; probably affect ongoing recreation experience; as video breaks or novel shift to an earlier date page turning etc., make troubles to user, affect user's use sense and be subject to.
Summary of the invention
The embodiment of the present invention provides a kind of false-touch prevention method and apparatus of touch-screen edge, to avoid producing the phenomenon of maloperation, does not affect ongoing recreation experience, and improves user's use sense and be subject to.
In order to achieve the above object, the embodiment of the present invention provides a kind of false-touch prevention method of touch-screen edge, and the both sides frame of terminal device is provided with multiple infrared ray range sensor, and described method comprises:
Infrared ray range sensor, detecting in setting investigative range s have object to block, and when the duration that object blocks reaches preset time t, sends the information that described infrared ray range sensor is triggered;
Described terminal device, after knowing that described infrared ray range sensor is triggered, calculates the touch-screen position that described infrared ray range sensor is corresponding on described terminal device;
Described terminal device to described touch-screen position for the center of circle, the touch event in the semicircular area being radius with setpoint distance r carries out shielding processing, operates to prevent the false touch at touch-screen edge.
Described infrared ray range sensor sends the process of the information that described infrared ray range sensor is triggered, and specifically comprises:
Described infrared ray range sensor judges whether the false-touch prevention functional switch that described terminal device side is installed is in opening, and when described false-touch prevention functional switch is in opening, whether described infrared ray range sensor detects in setting investigative range s has object to block, and the duration that object blocks reaches preset time t; If so, then the process sending the information that described infrared ray range sensor is triggered is performed.
Described information is specially high level signal, and described high level signal is for representing that described infrared ray range sensor is triggered;
Described terminal device is known and is specifically comprised the process that described infrared ray range sensor is triggered:
Described terminal device, when having detected that infrared ray range sensor sends high level signal to described terminal device, knows that described infrared ray range sensor is triggered.
Described terminal device calculates the process of described infrared ray range sensor touch-screen position corresponding on described terminal device, specifically comprises:
When the n-th 1 infrared ray range sensors that described infrared ray range sensor is left border, and when left border one has N1 infrared ray range sensor, described terminal device determines that the coordinate of described infrared ray range sensor is (0, n1M
y/ N1); When the n-th 2 infrared ray range sensors that described infrared ray range sensor is Right Border, and when Right Border one has N2 infrared ray range sensor, described terminal device determines that the coordinate of described infrared ray range sensor is (M
x, n2M
y/ N2); Wherein, M
xfor screen resolution wide of terminal device, M
yfor the height of the screen resolution of terminal device;
Described terminal device is multiplied by capacitance density coefficient a by the horizontal ordinate of described infrared ray range sensor, obtain the horizontal ordinate of described infrared ray range sensor touch-screen position corresponding on described terminal device, and be multiplied by capacitance density coefficient a by the ordinate of described infrared ray range sensor, obtain the ordinate of described infrared ray range sensor touch-screen position corresponding on described terminal device.
After described terminal device carries out shielding processing to the touch event in semicircular area, described method also comprises: described infrared ray range sensor, when detecting that the shelter in described setting investigative range s leaves, sends the information that described infrared ray range sensor returns to the state of not being triggered;
Described terminal device is knowing that described infrared ray range sensor is from after the recovering state to the state of not being triggered that is triggered, and stops carrying out shielding processing to the touch event in described semicircular area.
The embodiment of the present invention provides a kind of terminal device, the both sides frame of described terminal device is provided with multiple infrared ray range sensor, and described terminal device specifically comprises:
Infrared ray range sensor, for detecting in setting investigative range s have object to block, and when the duration that object blocks reaches preset time t, sends the information that infrared ray range sensor is triggered;
False-touch prevention module, for after knowing that described infrared ray range sensor is triggered, calculates the touch-screen position that described infrared ray range sensor is corresponding on described terminal device;
Shielding processing module, for described touch-screen position for the center of circle, the touch event in the semicircular area being radius with setpoint distance r carries out shielding processing, operates to prevent the false touch at touch-screen edge.
Described infrared ray range sensor, specifically for judging whether the false-touch prevention functional switch that described terminal device side is installed is in opening, and when described false-touch prevention functional switch is in opening, whether have object block, and the duration that object blocks reaches preset time t if detecting in setting investigative range s; If so, then the process sending the information that described infrared ray range sensor is triggered is performed.
Described information is specially high level signal, and described high level signal is for representing that described infrared ray range sensor is triggered;
Described false-touch prevention module, specifically for when having detected that infrared ray range sensor sends high level signal to described false-touch prevention module, has known that described infrared ray range sensor is triggered.
Described false-touch prevention module, specifically for being the n-th 1 infrared ray range sensors of left border when described infrared ray range sensor, and when left border one has N1 infrared ray range sensor, determines that the coordinate of described infrared ray range sensor is (0, n1M
y/ N1); When the n-th 2 infrared ray range sensors that described infrared ray range sensor is Right Border, and when Right Border one has N2 infrared ray range sensor, determine that the coordinate of described infrared ray range sensor is (M
x, n2M
y/ N2); Wherein, M
xfor screen resolution wide of terminal device, M
yfor the height of the screen resolution of terminal device;
Capacitance density coefficient a is multiplied by by the horizontal ordinate of described infrared ray range sensor, obtain the horizontal ordinate of described infrared ray range sensor touch-screen position corresponding on described terminal device, and be multiplied by capacitance density coefficient a by the ordinate of described infrared ray range sensor, obtain the ordinate of described infrared ray range sensor touch-screen position corresponding on described terminal device.
Described infrared ray range sensor, also for after carrying out shielding processing to touch event, when detecting that the shelter in described setting investigative range s leaves, sends the information that described infrared ray range sensor returns to the state of not being triggered;
Described shielding processing module, also for knowing that described infrared ray range sensor is after the recovering state to the state of not being triggered that is triggered, and stops carrying out shielding processing to the touch event in described semicircular area.
Compared with prior art, the embodiment of the present invention at least has the following advantages: in the embodiment of the present invention, consider the characteristic of screen frame, the both sides frame of terminal device adds the infrared ray range sensor of certain density, in an adjustable setting investigative range s, if when infrared ray range sensor detects that the duration that object blocks reaches preset time t, then the operating system of terminal device is by the touch-screen position corresponding on the terminal device according to this infrared ray range sensor, automatic shield with this touch-screen position for the center of circle, touch event in the semicircular area being radius with setpoint distance r, thus prevent the false touch at touch-screen edge from operating.Further, aforesaid way can be avoided producing maloperation phenomenon, namely solves the false touch operation that user produces when using terminal device, and above-mentionedly can not affect ongoing recreation experience, improve user's use sense to be subject to, improve the experience effect of user for terminal device.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the design diagram of the infrared ray range sensor proposed in the embodiment of the present invention one;
Fig. 2 is the false-touch prevention method flow diagram at a kind of touch-screen edge proposed in the embodiment of the present invention one;
Fig. 3 is the schematic diagram of the touch-screen position that the calculating infrared ray range sensor of proposition in the embodiment of the present invention one is corresponding on the terminal device;
Fig. 4 is the structural representation of a kind of terminal device proposed in the embodiment of the present invention two.
Embodiment
Below in conjunction with the accompanying drawing in the present invention, be clearly and completely described the technical scheme in the present invention, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment one
For problems of the prior art, the embodiment of the present invention one provides a kind of false-touch prevention method of touch-screen edge, consider the characteristic of screen frame, in the embodiment of the present invention, the both sides frame of terminal device (as smart mobile phone or panel computer etc.) adds the infrared ray range sensor of certain density, namely on the both sides frame of terminal device, multiple infrared ray range sensor is respectively installed.As shown in Figure 1, be the design diagram of infrared ray range sensor proposed in the embodiment of the present invention, 1 is terminal device (i.e. smart mobile phone or panel computer etc.); 2 is the touch screen zone of this terminal device; 3,4 is the infrared ray range sensor added in the embodiment of the present invention, and wherein 4 is the infrared ray range sensor triggered.
On the both sides frame of terminal device during installation infrared linear distance sensor, the quantity of the infrared ray range sensor that left border is installed, with the quantity of the infrared ray range sensor installed on Right Border, the two can be identical, also can be different, for convenience of description, be all example mutually with the two to be described.
In a kind of design of concrete infrared ray range sensor, according to the difference of the screen size of terminal device, on the both sides frame of terminal device during installation infrared linear distance sensor, because the width of finger is generally 1cm, therefore, the spacing that can design infrared ray range sensor is less than 1cm.In addition, can also ensure that infrared ray range sensor topmost aligns with the upper edge of the touch-screen of terminal device, and can ensure that infrared ray range sensor bottom aligns with the lower edge of the touch-screen of terminal device.In addition, for the mounting means of other infrared ray range sensor, then can be uniformly distributed in infrared ray range sensor topmost with the centre of infrared ray range sensor bottom.
In a kind of design of concrete infrared ray range sensor, can also be numbered infrared ray range sensor, in a kind of embody rule scene, suppose the screen at terminaloriented equipment, and return key is when below, then can to the infrared ray range sensor that left border is installed from bottom to top number consecutively be: L
1, L
2..., L
n, and can to the infrared ray range sensor that Right Border is installed from bottom to top number consecutively be: R
1, R
2..., R
n.Certainly, in actual applications, also can adopt other numbering, as to the infrared ray range sensor that left border is installed from top to bottom number consecutively be: L
1, L
2..., L
n, and can to the infrared ray range sensor that Right Border is installed from top to bottom number consecutively be: R
1, R
2..., R
n.To this numbering, repeat no longer in detail in the embodiment of the present invention.
In the embodiment of the present invention, based on the infrared ray range sensor added on the both sides frame of terminal device, as shown in Figure 2, the false-touch prevention method at this touch-screen edge can comprise the following steps:
Step 201, infrared ray range sensor, detecting in setting investigative range s have object to block, and when the duration that object blocks reaches preset time t, sends the information that infrared ray range sensor is triggered.Wherein, this setting investigative range s can set arbitrarily according to actual needs, as set 0<s<1cm; This preset time t can set arbitrarily according to actual needs, as set 0<t<1000ms.
In the embodiment of the present invention, in order to reduce electric quantity consumption when not needing false-touch prevention function, reach power saving effect, false-touch prevention functional switch can also be added in the side of terminal device, just perform the technical scheme that the embodiment of the present invention provides when false-touch prevention functional switch is in opening.Based on this, send in the process of the information that infrared ray range sensor is triggered at infrared ray range sensor, infrared ray range sensor judges whether the false-touch prevention functional switch installed terminal device side is in opening, and when false-touch prevention functional switch is in opening, whether infrared ray range sensor detects in setting investigative range s has object to block, and the duration that object blocks reaches preset time t; If so, then the process sending the information that infrared ray range sensor is triggered is performed.
In the embodiment of the present invention, only has the screen opening when terminal device, and when receiving click event, infrared ray range sensor just starts to work, namely when the screen opening of terminal device, and when receiving click event, whether infrared ray range sensor detects in setting investigative range s has object to block, and the duration that object blocks reaches preset time t; If so, then the process sending the information that infrared ray range sensor is triggered is performed.Further, based on above-mentioned processing mode, user can being prevented when clicking the screen edge control of terminal device, triggering infrared ray range sensor, then causing the effect that normal click event is shielded.
Step 202, terminal device, knowing have after infrared ray range sensor is triggered, calculates the touch-screen position that this infrared ray range sensor is corresponding on the terminal device.
In the embodiment of the present invention, terminal device knows the process that infrared ray range sensor is triggered, specifically comprise: infrared ray range sensor, when sending the information that infrared ray range sensor is triggered, sends to terminal device the information (as represented that this infrared ray range sensor is triggered by high level signal or low level signal) that this infrared ray range sensor is triggered; Terminal device, when information (the sending high level signal or low level signal to terminal device if any infrared ray range sensor) that infrared ray range sensor is triggered to terminal device transmission infrared ray range sensor being detected, knows that infrared ray range sensor is triggered.
In a kind of specific implementation, terminal device can also arrange false-touch prevention module, and all infrared ray range sensors on terminal device all need and false-touch prevention model calling.Based on this, infrared ray range sensor, when sending the information that infrared ray range sensor is triggered, needs the false-touch prevention module to terminal device to send for representing the high level signal that this infrared ray range sensor is triggered; And the false-touch prevention module of terminal device is after receiving this high level signal, know that this infrared ray range sensor is triggered.
In the embodiment of the present invention, terminal device calculates the process of infrared ray range sensor touch-screen position corresponding on the terminal device, specifically include but not limited to as under type: when infrared ray range sensor is the n-th 1 infrared ray range sensors of left border, and left border one is when having N1 infrared ray range sensor, the coordinate of terminal device determination infrared ray range sensor is (0, n1M
y/ N1); When the n-th 2 infrared ray range sensors that infrared ray range sensor is Right Border, and when Right Border one has N2 infrared ray range sensor, the coordinate of terminal device determination infrared ray range sensor is (M
x, n2M
y/ N2); Wherein, M
xfor screen resolution wide of terminal device, M
yfor the height of the screen resolution of terminal device.Afterwards, terminal device is multiplied by capacitance density coefficient a by the horizontal ordinate of infrared ray range sensor, obtain the horizontal ordinate of infrared ray range sensor touch-screen position corresponding on the terminal device, and be multiplied by capacitance density coefficient a by the ordinate of infrared ray range sensor, obtain the ordinate of infrared ray range sensor touch-screen position corresponding on the terminal device.The touch-screen position that the ordinate of the touch-screen position that the horizontal ordinate of the touch-screen position that infrared ray range sensor is corresponding on the terminal device and infrared ray range sensor are corresponding on the terminal device and infrared ray range sensor are corresponding on the terminal device.
Wherein, because the quantity of the infrared ray range sensor of left border can be identical with the quantity of the infrared ray range sensor of Right Border, therefore, above-mentioned N1 can equal above-mentioned N2.
Wherein, when infrared ray range sensor sends to terminal device the information that this infrared ray range sensor is triggered, which infrared ray range sensor that this infrared ray range sensor is left border can be carried, or carry which infrared ray range sensor that this infrared ray range sensor is Right Border, as infrared ray range sensor carries by high level signal which infrared ray range sensor that this infrared ray range sensor is left side side frame, based on this, terminal device can know the numerical value of n1 or n2.
As shown in Figure 3, for calculating the schematic diagram of infrared ray range sensor touch-screen position corresponding on the terminal device, ordinary grip terminal device (namely return key is in below) is supposed, with the touch-screen lower left corner for true origin, set up plane right-angle coordinate, transverse axis is x, the longitudinal axis is y, and unit is dip.As shown in Figure 3, the coordinate at touch screen four angles, L
1coordinate be (0,0), R
ncoordinate be (M
x, M
y); M
xwide for screen resolution; M
yfor the height of screen resolution.When the touch-screen position that calculating infrared ray range sensor is corresponding on the terminal device, suppose that the quantity of one-sided infrared ray range sensor is N, the infrared ray range sensor triggered is the n-th, then the coordinate of the infrared ray range sensor of left border is (0, nM
y/ N), the coordinate of the infrared ray range sensor of Right Border is (M
x, nM
y/ N).
Further, suppose that the capacitance density coefficient of touch-screen is a, this capacitance density coefficient a can obtain from the system of terminal device.Based on this, then terminal device is multiplied by capacitance density coefficient a by the horizontal ordinate of infrared ray range sensor, to obtain the horizontal ordinate of infrared ray range sensor touch-screen position corresponding on the terminal device, and be multiplied by capacitance density coefficient a by the ordinate of infrared ray range sensor, to obtain the ordinate of infrared ray range sensor touch-screen position corresponding on the terminal device.
Step 203, terminal device to touch-screen position for the center of circle, the touch event in the semicircular area being radius with setpoint distance r carries out shielding processing, operates to prevent the false touch at touch-screen edge.Wherein, this setpoint distance r can set arbitrarily according to actual needs, as set 0<r<200dip.
In specific implementation, when terminal device being arranged false-touch prevention module, false-touch prevention module is after calculating infrared ray range sensor touch-screen position corresponding on the terminal device, by this touch-screen position informing to CPU(Central Processing Unit, central processing unit), by CPU to touch-screen position (i.e. coordinate points, now coordinate system becomes the coordinate system of touch-screen) be the center of circle, touch event in the semicircular area being radius with setpoint distance r carries out shielding processing, operates to prevent the false touch at touch-screen edge.
In the embodiment of the present invention, after terminal device carries out shielding processing to the touch event in semicircular area, if infrared ray range sensor when detecting that the shelter in setting investigative range s leaves, then sends the information that this infrared ray range sensor returns to the state of not being triggered; Terminal device is knowing that infrared ray range sensor is from after the recovering state to the state of not being triggered that is triggered, and stops carrying out shielding processing to the touch event in semicircular area.Based on this, when shelter leaves, infrared ray range sensor can get back to the state of detection, and recovers the reception to click event of touch-screen.
Concrete, infrared ray range sensor, when sending this infrared ray range sensor and returning to the information of the state of not being triggered, sends to terminal device the information (as: representing that this infrared ray range sensor returns to the state of not being triggered by low level signal or high level signal) that this infrared ray range sensor returns to the state of not being triggered; Terminal device is detecting that infrared ray range sensor returns to terminal device transmission infrared ray range sensor the status information that is not triggered and (as: has infrared ray range sensor to send low level signal or high level signal to terminal device, to represent that this infrared ray range sensor returns to the state of not being triggered) time, determine that this infrared ray range sensor is from the recovering state that is triggered to the state of not being triggered.
In sum, in the embodiment of the present invention, consider the characteristic of screen frame, the both sides frame of terminal device adds the infrared ray range sensor of certain density, in an adjustable setting investigative range s, if when infrared ray range sensor detects that the duration that object blocks reaches preset time t, then the operating system of terminal device is by the touch-screen position corresponding on the terminal device according to this infrared ray range sensor, automatic shield with this touch-screen position for the center of circle, touch event in the semicircular area being radius with setpoint distance r, thus prevent the false touch at touch-screen edge from operating.Further, aforesaid way can be avoided producing maloperation phenomenon, namely solves the false touch operation that user produces when using terminal device, and above-mentionedly can not affect ongoing recreation experience, improve user's use sense to be subject to, improve the experience effect of user for terminal device.Avoid user not need to keep specific posture when hand-held terminal device, or when recumbency is read, to put forth effort area little due to finger, causes the phenomenon that mobile terminal drops.
Embodiment two
Based on the inventive concept same with said method, additionally provide a kind of terminal device in the embodiment of the present invention, the both sides frame of described terminal device is provided with multiple infrared ray range sensor, as shown in Figure 4, described terminal device specifically comprises:
Infrared ray range sensor 11, for detecting in setting investigative range s have object to block, and when the duration that object blocks reaches preset time t, sends the information that infrared ray range sensor is triggered;
False-touch prevention module 12, for after knowing that described infrared ray range sensor is triggered, calculates the touch-screen position that described infrared ray range sensor is corresponding on described terminal device;
Shielding processing module 13, for described touch-screen position for the center of circle, the touch event in the semicircular area being radius with setpoint distance r carries out shielding processing, operates to prevent the false touch at touch-screen edge.
Described infrared ray range sensor 11, specifically for judging whether the false-touch prevention functional switch that described terminal device side is installed is in opening, and when described false-touch prevention functional switch is in opening, whether have object block, and the duration that object blocks reaches preset time t if detecting in setting investigative range s; If so, then the process sending the information that described infrared ray range sensor is triggered is performed.
Described information is specially high level signal, and described high level signal is for representing that described infrared ray range sensor is triggered; Described false-touch prevention module 12, specifically for when having detected that infrared ray range sensor sends high level signal to described false-touch prevention module, has known that described infrared ray range sensor is triggered.
Described false-touch prevention module 12, specifically for when described infrared ray range sensor being the n-th 1 infrared ray range sensors of left border, and left border one is when having N1 infrared ray range sensor, determine that the coordinate of described infrared ray range sensor is (0, n1M
y/ N1); When the n-th 2 infrared ray range sensors that described infrared ray range sensor is Right Border, and when Right Border one has N2 infrared ray range sensor, determine that the coordinate of described infrared ray range sensor is (M
x, n2M
y/ N2); Wherein, M
xfor screen resolution wide of terminal device, M
yfor the height of the screen resolution of terminal device;
Capacitance density coefficient a is multiplied by by the horizontal ordinate of described infrared ray range sensor, obtain the horizontal ordinate of described infrared ray range sensor touch-screen position corresponding on described terminal device, and be multiplied by capacitance density coefficient a by the ordinate of described infrared ray range sensor, obtain the ordinate of described infrared ray range sensor touch-screen position corresponding on described terminal device.
Described infrared ray range sensor 11, also for after carrying out shielding processing to touch event, when detecting that the shelter in described setting investigative range s leaves, sends the information that described infrared ray range sensor returns to the state of not being triggered; Described shielding processing module 13, also for knowing that described infrared ray range sensor is after the recovering state to the state of not being triggered that is triggered, and stops carrying out shielding processing to the touch event in described semicircular area.
Wherein, the modules of apparatus of the present invention can be integrated in one, and also can be separated deployment.Above-mentioned module can merge into a module, also can split into multiple submodule further.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add required general hardware platform by software and realize, and can certainly pass through hardware, but in a lot of situation, the former is better embodiment.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform method described in each embodiment of the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, the module in accompanying drawing or flow process might not be that enforcement the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device in embodiment can carry out being distributed in the device of embodiment according to embodiment description, also can carry out respective change and be arranged in the one or more devices being different from the present embodiment.The module of above-described embodiment can merge into a module, also can split into multiple submodule further.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Be only several specific embodiment of the present invention above, but the present invention is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (10)
1. the false-touch prevention method at touch-screen edge, is characterized in that, the both sides frame of terminal device is provided with multiple infrared ray range sensor, said method comprising the steps of:
Infrared ray range sensor, detecting in setting investigative range s have object to block, and when the duration that object blocks reaches preset time t, sends the information that described infrared ray range sensor is triggered;
Described terminal device, after knowing that described infrared ray range sensor is triggered, calculates the touch-screen position that described infrared ray range sensor is corresponding on described terminal device;
Described terminal device to described touch-screen position for the center of circle, the touch event in the semicircular area being radius with setpoint distance r carries out shielding processing, operates to prevent the false touch at touch-screen edge.
2. the method for claim 1, is characterized in that, described infrared ray range sensor sends the process of the information that described infrared ray range sensor is triggered, and specifically comprises:
Described infrared ray range sensor judges whether the false-touch prevention functional switch that described terminal device side is installed is in opening, and when described false-touch prevention functional switch is in opening, whether described infrared ray range sensor detects in setting investigative range s has object to block, and the duration that object blocks reaches preset time t; If so, then the process sending the information that described infrared ray range sensor is triggered is performed.
3. the method for claim 1, is characterized in that, described information is specially high level signal, and described high level signal is for representing that described infrared ray range sensor is triggered;
Described terminal device is known and is specifically comprised the process that described infrared ray range sensor is triggered:
Described terminal device, when having detected that infrared ray range sensor sends high level signal to described terminal device, knows that described infrared ray range sensor is triggered.
4. the method for claim 1, is characterized in that, described terminal device calculates the process of described infrared ray range sensor touch-screen position corresponding on described terminal device, specifically comprises:
When the n-th 1 infrared ray range sensors that described infrared ray range sensor is left border, and when left border one has N1 infrared ray range sensor, described terminal device determines that the coordinate of described infrared ray range sensor is (0, n1M
y/ N1); When the n-th 2 infrared ray range sensors that described infrared ray range sensor is Right Border, and when Right Border one has N2 infrared ray range sensor, described terminal device determines that the coordinate of described infrared ray range sensor is (M
x, n2M
y/ N2); Wherein, M
xfor screen resolution wide of terminal device, M
yfor the height of the screen resolution of terminal device;
Described terminal device is multiplied by capacitance density coefficient a by the horizontal ordinate of described infrared ray range sensor, obtain the horizontal ordinate of described infrared ray range sensor touch-screen position corresponding on described terminal device, and be multiplied by capacitance density coefficient a by the ordinate of described infrared ray range sensor, obtain the ordinate of described infrared ray range sensor touch-screen position corresponding on described terminal device.
5. the method for claim 1, is characterized in that, after described terminal device carries out shielding processing to the touch event in semicircular area, described method also comprises:
Described infrared ray range sensor, when detecting that the shelter in described setting investigative range s leaves, sends the information that described infrared ray range sensor returns to the state of not being triggered;
Described terminal device is knowing that described infrared ray range sensor is from after the recovering state to the state of not being triggered that is triggered, and stops carrying out shielding processing to the touch event in described semicircular area.
6. a terminal device, is characterized in that, the both sides frame of described terminal device is provided with multiple infrared ray range sensor, and described terminal device specifically comprises:
Infrared ray range sensor, for detecting in setting investigative range s have object to block, and when the duration that object blocks reaches preset time t, sends the information that infrared ray range sensor is triggered;
False-touch prevention module, for after knowing that described infrared ray range sensor is triggered, calculates the touch-screen position that described infrared ray range sensor is corresponding on described terminal device;
Shielding processing module, for described touch-screen position for the center of circle, the touch event in the semicircular area being radius with setpoint distance r carries out shielding processing, operates to prevent the false touch at touch-screen edge.
7. terminal device as claimed in claim 6, is characterized in that,
Described infrared ray range sensor, specifically for judging whether the false-touch prevention functional switch that described terminal device side is installed is in opening, and when described false-touch prevention functional switch is in opening, whether have object block, and the duration that object blocks reaches preset time t if detecting in setting investigative range s; If so, then the process sending the information that described infrared ray range sensor is triggered is performed.
8. terminal device as claimed in claim 6, it is characterized in that, described information is specially high level signal, and described high level signal is for representing that described infrared ray range sensor is triggered;
Described false-touch prevention module, specifically for when having detected that infrared ray range sensor sends high level signal to described false-touch prevention module, has known that described infrared ray range sensor is triggered.
9. terminal device as claimed in claim 6, is characterized in that,
Described false-touch prevention module, specifically for being the n-th 1 infrared ray range sensors of left border when described infrared ray range sensor, and when left border one has N1 infrared ray range sensor, determines that the coordinate of described infrared ray range sensor is (0, n1M
y/ N1); When the n-th 2 infrared ray range sensors that described infrared ray range sensor is Right Border, and when Right Border one has N2 infrared ray range sensor, determine that the coordinate of described infrared ray range sensor is (M
x, n2M
y/ N2); Wherein, M
xfor screen resolution wide of terminal device, M
yfor the height of the screen resolution of terminal device;
Capacitance density coefficient a is multiplied by by the horizontal ordinate of described infrared ray range sensor, obtain the horizontal ordinate of described infrared ray range sensor touch-screen position corresponding on described terminal device, and be multiplied by capacitance density coefficient a by the ordinate of described infrared ray range sensor, obtain the ordinate of described infrared ray range sensor touch-screen position corresponding on described terminal device.
10. terminal device as claimed in claim 6, is characterized in that,
Described infrared ray range sensor, also for after carrying out shielding processing to touch event, when detecting that the shelter in described setting investigative range s leaves, sends the information that described infrared ray range sensor returns to the state of not being triggered;
Described shielding processing module, also for knowing that described infrared ray range sensor is after the recovering state to the state of not being triggered that is triggered, and stops carrying out shielding processing to the touch event in described semicircular area.
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| CN201310631615.XA CN104679421A (en) | 2013-11-29 | 2013-11-29 | Accidental touch screen edge touch preventing method and equipment |
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