CN105068690A - Mistak"en touch prevention method and system for touch screen - Google Patents
Mistak"en touch prevention method and system for touch screen Download PDFInfo
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- CN105068690A CN105068690A CN201510517389.1A CN201510517389A CN105068690A CN 105068690 A CN105068690 A CN 105068690A CN 201510517389 A CN201510517389 A CN 201510517389A CN 105068690 A CN105068690 A CN 105068690A
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- 230000002265 prevention Effects 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims abstract description 67
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- 239000011248 coating agent Substances 0.000 claims description 8
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- 239000004020 conductor Substances 0.000 claims description 6
- 230000008054 signal transmission Effects 0.000 claims description 4
- 230000003467 diminishing effect Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 abstract description 2
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- 238000005516 engineering process Methods 0.000 description 11
- 238000010422 painting Methods 0.000 description 6
- 239000003973 paint Substances 0.000 description 5
- 230000001939 inductive effect Effects 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
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Abstract
A mistaken touch prevention method for a touch screen comprises the following steps: (1) forming a mistaken touch area on the touch screen; (2) detecting touch point changes once happening on the touch screen; (3) determining whether touch points are mistaken touch points or not according to the size and the position of the mistaken touch area and the position of the touch points; (4) adjusting the position of the mistaken touch area along with the positions of all of the mistaken touch points; and (5) isolating touch of all of the mistaken touch points. The mistaken touch area can be realized by virtue of software or hardware, and a mistaken touch prevention area in the method can move according to the movement of a palm, namely the movement of the mistaken touch points, and therefore, the mistaken touch points generated by a human hand can be isolated reliably by virtue of automatic adaptation.
Description
Technical field
The present invention relates to the false-touch prevention technology of touch screen, especially for the false-touch prevention method and system of user when utilizing pointer to operate on touch screen.
Background technology
During mobile terminal normally for hand held tape touch screen of the method for current false-touch prevention, the false touch at touch screen edge is operated.As:
Publication number is the system of a kind of Touch-control error prevention of 103902074A, is applied in electronic installation, and described electronic installation comprises display screen, and this system comprises: arrange module, for determining the appointed area of Touch-control error prevention in described display screen; Judge module, for when touch-control event occurs in described appointed area, determines that this touch-control event is single-point touch or multi-point touch; Respond module, for when this touch-control event is multi-point touch, ignores the touch point occurred in this appointed area, response other touch points except the touch point in this appointed area; And described respond module, also for when this touch-control event is single-point touch, respond this touch-control event.Its technical matters to be solved when frame is too small the display screen of electronic installation is excessive, to prevent the action of user's hand-held electronic device to be identified as touch control operation.
Publication number is a kind of method and apparatus preventing false touch from touching touch-screen of 104345947A, be applied to technical field of electronic products, for solve prior art due to user when using terminal because the touching instruction producing non-user wish is touched in false touch, cause the problem of operation disruption.Whether technical scheme provided by the invention comprises: detect touching instruction by anti-error touching protection mechanism and act within the scope of effective touching, if do not act within the scope of described effective touching, do not react described touching instruction; Under described anti-error touching protection mechanism, open effective touching scope of described touch-screen, close except other regions of described effective touching scope, described terminal receives the touching instruction of user within the scope of described effective touching and performs respective operations.
Publication number is a kind of mobile terminal Touch-control error prevention method and the device of 104635985A, and its method comprises: the touch command being received user by touch screen IC layer, reports driving layer by the contact in touch track corresponding for touch command; Judge whether the starting point of touch track falls into default anti-error contact area by driving layer; When the starting point of touch track falls into default anti-error contact area, obtained in touch track by driving layer, the contact after starting point and the distance between described starting point, carry out Touch-control error prevention process according to distance.
Along with the appearance of increasing giant-screen mobile terminal (capacitance plate mobile phone, panel computer), people to the concern of pointer and demand also increasing.People require just more urgent for the drawing of writing in giant-screen terminal.Because current touch screen major part is capacitance plate, so finger, when palm and nib touch capacitance plate, all touch-control vestige can be left.When people use pointer to write on the touch screen of giant-screen computer terminal, palm is unavoidably needed to be placed on easily to write on touch screen, so palm false-touch prevention function when writing on touch screen and draw a picture is just very important.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of false-touch prevention method and system for touch screen, and simple and reliable isolation is carried out in false touch when can use pointer to user on touch screen.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of false-touch prevention method for touch screen, comprises the following steps:
(1) on touch screen, a false touch region is formed;
(2) once touch screen there be contact change;
(3) false touch point whether is belonged to according to the size in false touch region and the position judgment contact of position and touch point;
(4) position in false touch region adjusts along with the position of all false touch points;
(5) touch-control of all false touches point is isolated.
People by pointer on touch screen during operational order, the hand side held a pen is often using touch screen as support, thus it is more comfortable and smooth when using pointer to write or draw a picture, but simultaneously can make touch screen generation maloperation because palm contacts with touch screen, thus affect the normal instructions of pointer on touch screen and operate.The present invention is combined with touch screen by suitable method, touch screen is formed false-touch prevention region, the region that palm is contacted with touch screen is mainly dropped in false-touch prevention region, finally by suitable method, the false touch point in false touch region is isolated, thus do not affect the normal running of touch screen.In addition, the operating habit write according to pointer or paint, the palm of handheld touch pen can be formed mobile on touch screen, false-touch prevention region of the present invention can be moved according to the movement of the movement of palm and false touch point, therefore, it is possible to reliable and automatically adapt to the false touch produced by staff point to isolate.
As improvement, in described step (1), the shape in false touch region, size and position set according to user.User can set the size in initialized false touch region, shape and position, also in use can adjust the size in false touch region, shape and position according to demand.
As improvement, in described step (1), the shape in false touch region is circle, rectangle or ellipse.According to the distribution of the false touch point that palm is formed on touch screen, the false touch region of application claims should encase all false touch points, does not affect again the operation of touch screen, so the optimum shape in false touch region is circle, rectangle or ellipse.
As improvement, in described step (3), false touch region is with a deviator R
bexpanded in size and form a false touch surveyed area, the contact appeared in false touch surveyed area is false touch point.
As improvement, in described step (3), according to the motion track of contact, contact touch screen derived from false touch region is false touch point.According to the track of contact can know contact move before position, if the original position of contact is in false touch region, so these contacts should belong to segregate false touch point, even if these false touch points move, system still assert that they are false touch point.
As improvement, have contact outside false touch region, and the border in distance false touch region is more than a threshold values R
r, this contact is non-false touch point.According to the operating habit of pointer, the border in distance false touch region is more than a threshold values R
rcontact can be identified as the touch-control of pointer, these non-false touch points forever can realize touch-control on touch screen, and no matter whether these contacts finally can fall in false touch region.
As improvement, in described step (4), if all false touches point is all in false touch region, then false touch region is motionless.
As improvement, in described step (4),
If a () false touch region can not cover the smallest circle of surrounding all false touch points completely, then minor increment is moved to the center of circle of above-mentioned smallest circle in the center in false touch region, and makes false touch region encase above-mentioned smallest circle; Minimum diameter of a circle and position can be determined according to the coordinate distribution of all false touch points and shape;
If b () false touch region can not surround described smallest circle, then report information, prompting user can revise size or the shape in false touch region.
As improvement, in described step (3) and (4), undertaken judging and operating by the location coordinate information of contact.The location coordinate information of contact obtains by existing touch screen technology, no longer describes in detail.
As improvement, in described step (3) and (4), undertaken judging and operating by the coordinate of contact and shape information.Obviously there is shape the contact produced by staff, and the location coordinate information of contact and shape information obtain by existing touch screen technology, no longer describe in detail.
As improvement, in described step (3), be R by the position coordinates of contact and the radius of encirclement contact
tanalog contacts circle carry out judging and operating.
As improvement, in described step (3), when false touch region moves to the border of touch screen, if on touch screen without any false touch point time, false touch region by minimization border or hide.
As improvement, when false touch region moves to the border of touch screen, and when the smallest circle radius surrounding all false touches point diminishes, maximum distance is moved to the center of circle of above-mentioned smallest circle in the center in false touch region, and makes false touch region can surround above-mentioned smallest circle; If time on touch screen without any false touch point, false touch region by minimization border or hide.
As improvement, described false touch region can show on touch screen, the form of display can be the color in change false touch region or be enclosed in false touch region with wire bar system, such user just can see virtual false touch region at touch screen, is convenient to user and judges that whether the position in false touch region, size and shape be suitable.
For solving the problems of the technologies described above, another technical scheme of the present invention is: a kind of false-touch prevention method for touch screen,
(1) on touch screen, false touch point a false touch region for isolating to be formed by staff is formed;
(2) this false touch region is formed by being placed on the region that touch screen covers for the division board of support staff;
(3) this false touch region can be moved on touch screen with the movement of division board.
People by pointer on touch screen during operational order, the hand side held a pen is often using touch screen as support, thus it is more comfortable and smooth when using pointer to write or draw a picture, but simultaneously can make touch screen generation maloperation because palm contacts with touch screen, thus affect the normal instructions of pointer on touch screen and operate.The mode that the present invention adopts hardware and software to combine is isolated false touch operation, division board can isolate palm or signal transmission between finger and touch screen, staff using touch screen as support, can either can be prevented again the false touch to touch screen, thus not affect the normal running of touch screen.In addition, the operating habit write according to pointer or paint, the palm of handheld touch pen can be formed mobile on touch screen, and division board of the present invention can move according to the movement of palm, therefore, it is possible to the false touch produced by staff point is isolated by reliable and automatic adaptation.
As improvement, described division board is non-conducting material plate, and described division board can isolate signal transmission between staff and touch screen.
As improvement, described division board is plate of conductive material, when pointing or palm is placed on division board, division board can form a large-area contact on touch screen, according to size, the computer terminal with touch screen judges that this large-area contact is false touch point and is isolated.Plate of conductive material also with the metal shell of computer terminal, human body or can be electrically connected greatly, and by small AC signal, equally, division board can form a large-area contact on touch screen, to reach identical isolation effect.
As improvement, in two surface of contact of described false touch region notice board and object contact, at least one surface of contact is provided with conductive coating, when pointing or palm is placed on division board, conductive coating on division board can form a large-area contact on touch screen, according to size, the computer terminal with touch screen judges that this large-area contact is false touch point and is isolated.
As improvement, described division board is transparent or semitransparent, and such user and content drawn under can seeing plate through division board, even if division board covers on touch screen, but also can not affect use.
As improvement, described false touch region notice board is light material part, and its density is for being less than or equal to 3 × 10
3kg/m
3.
As improvement, the thickness of described division board is 0.2 ~ 10mm.The specific inductive capacity of corresponding division board material is different, and thickness also has corresponding difference.
As improvement, in two surface of contact of described false touch region notice board and object contact, at least one surface of contact is shiny surface.This shiny surface contacts with touch screen, easily moves on touch screen, to facilitate user in any position operation of touch screen.
For solving the problems of the technologies described above, another technical scheme of the present invention is:
The false touch region that touch screen is formed;
For detecting the contact detecting unit of contact change;
For judging the contact judging unit of contact whether false touch point;
According to the false touch zone location unit of the position adjustment false touch regional location of false touch point set;
For isolating the isolated location of all false touches point touch-control.
The beneficial effect that the present invention is compared with prior art brought is:
The present invention forms false touch region by adopting the method for software and hardware on touch screen, and the region that palm is contacted with touch screen is mainly dropped in false-touch prevention region, is finally isolated by the false touch point in false touch region, thus does not affect the normal running of touch screen.The operating habit write according to pointer or paint, the palm of handheld touch pen can be formed mobile on touch screen, false-touch prevention region of the present invention can be moved according to the movement of the movement of palm and false touch point, therefore, it is possible to reliable and automatically adapt to the false touch produced by staff point to isolate.
Accompanying drawing explanation
Fig. 1 is embodiment 1 false-touch prevention method flow diagram.
Fig. 2 is embodiment 2 to 6 false-touch prevention method flow diagram.
Fig. 3 is the schematic diagram of false touch point in false touch region on touch screen.
Fig. 4 is the schematic diagram that false touch region does not encase false touch point completely.
Fig. 5 is that the schematic diagram of bee-line is moved to the smallest circle encasing all false touches point in false touch region.
Fig. 6 is the schematic diagram that false touch region is positioned at touch screen edge.
Fig. 7 is the schematic diagram that in false touch region, false touch point reduces.
Fig. 8 is that the schematic diagram of ultimate range is moved to the smallest circle encasing all false touches point in false touch region.
Fig. 9 is embodiment 2 division board schematic diagram.
Figure 10 is embodiment 3 division board schematic diagram.
Figure 11 is the schematic diagram of embodiment 4 division board on touch screen.
Figure 12 is the schematic diagram of embodiment 5 division board on touch screen.
Figure 13 be embodiment 1 staff with the false touch region on touch screen coordinate schematic diagram.
Figure 14 be embodiment 2 to 5 staff with the division board on touch screen coordinate schematic diagram.
Embodiment
Embodiment 1
For a false-touch prevention method for touch screen, can be used in the computer terminal of the giant-screens such as panel computer.False-touch prevention method of the present invention mainly solve user when using pointer to carry out the operation of writing or painting palm to the false touch problem of touch screen.People by pointer on touch screen during operational order, the hand side held a pen is often using touch screen as support, thus it is more comfortable and smooth when using pointer to write or draw a picture, but simultaneously can make touch screen generation maloperation because palm contacts with touch screen, thus affect the normal instructions of pointer on touch screen and operate.The false-touch prevention method of touch screen can drive layer software and hardware by the touch screen of computer terminal, and system layer software and application layer software realize separately or jointly realize, and as shown in Fig. 1 and Figure 13, concrete false-touch prevention method comprises the following steps:
(1) on touch screen, a false touch region 2 is formed;
The shape in false touch region 2, size and position set according to user, and user can set the size in initialized false touch region 2, shape and position, also in use can adjust the size in false touch region 2, shape and position according to demand;
The shape in false touch region 2 is circle, rectangle or ellipse, according to the distribution of the false touch point that palm is formed on touch screen, the false touch region 2 of application claims should encase all false touch points, do not affect again the operation of touch screen, so the optimum shape in false touch region 2 is circle, rectangle or ellipse;
Described false touch region 2 can show on touch screen 1, the form of display can be the color in change false touch region 2 or be enclosed in false touch region 2 with wire bar system, such user just can see virtual false touch region 2 at touch screen 1, is convenient to user and judges that whether the position in false touch region 2, size and shape be suitable; In order to not affect the normal display of touch screen 1, when not enabling false-touch prevention system, false touch region 2 can be hidden or be suspended on the side of touch screen, when needs are enabled, is taken out in false touch region 2 by software;
(2) as shown in figure 13, before user starts to operate pointer 14, first false touch region 2 can be moved to touch screen 1 correct position, then be placed in false touch region 2 by the palm 13 held a pen, as shown in Figure 3, false touch point 3 so now just drops in false touch region 2; Continuous detection by certain hour interval or the triggering by touch-control event, realize the variation monitoring to the contact on touch screen 1, the change of this contact comprises the change in location of contact, the increase of contact and the disappearance of contact; The detection frequency of usual touch screen is 60Hz-200Hz;
(3) false touch point whether is belonged to according to the size in false touch region 2 and the position judgment contact of position and touch point;
The judgement of false touch point can be realized by following several method:
A () as shown in Figure 4, false touch region 2 is with the expanded in size of a deviator Rb and form a false touch surveyed area 4, the contact appearing at false touch surveyed area 4 li is false touch point 3, deviator Rb is a reference value, Rb=0.5m/s*50Hz=10mm, 0.5m/s are the fast speeds of finger/palm movement;
B (), according to the motion track of contact, contact touch screen derived from false touch region 2 is false touch point; According to the track of contact can know contact move before position, if the original position of contact is in false touch region 2, so these contacts should belong to segregate false touch point, even if these false touch points move, system still assert that they are false touch point;
C () has contact outside false touch region, and the border in distance false touch region is more than a threshold values R
r, R
rlarger than the radius of false touch surveyed area in principle, R
r=2*R
b=20mm, this contact is considered to the contact of pointer but not false touch point; According to the operating habit of pointer, the border in distance false touch region is more than a threshold values R
rcontact can be identified as the touch-control of pointer, these non-false touch points forever can realize touch-control on touch screen, and no matter whether these contacts finally can fall in false touch region;
The position judgment of contact can be realized by following method:
A () is undertaken judging and operating by the location coordinate information of contact, the location coordinate information of contact obtains by existing touch screen technology, no longer describes in detail;
B () is undertaken judging and operating by the coordinate of contact and shape information, the false touch point produced by staff obviously has shape, and the location coordinate information of contact and shape information obtain by existing touch screen technology, no longer describe in detail;
C analog contacts circle that () is Rt by the position coordinates of contact and the radius of encirclement contact carries out judging and operating; The radius of the usual hand contact of Rt=3-10mm();
(4) position in false touch region 2 adjusts along with the position of all false touch points;
If false touch region 2 can surround all false touches point 3 completely, then false touch region 2 is motionless;
As shown in Figure 5, if circular false touch region 2 can not cover the smallest circle 5 of surrounding all false touch points 3 completely, then minor increment (two distance of center circle are poor from-two radius of circles) is moved to the center of circle of above-mentioned smallest circle 5 along path 6 in the center in false touch region 2, and makes false touch region 2 encase above-mentioned smallest circle 5; The diameter of smallest circle 5 and position can be determined according to the coordinate distribution of all false touch points 3 and shape; If false touch region 2 can not surround described smallest circle 5, then report information, prompting user can revise size or the shape in false touch region 2;
As shown in Figure 7,8, when false touch region 2 moves to the border of touch screen, and the smallest circle radius that false touch region 2 surrounds false touch point is when diminishing, maximum distance (two distance of center circle are poor from+two radius of circles) is moved at the center in false touch region 2 to the center of circle of above-mentioned smallest circle along path 7, and makes false touch region 2 can surround above-mentioned smallest circle;
If when touch screen is without any false touch point, false touch region 2 by minimization border or hide;
(5) touch-control of the false touch point in false touch region 2 is isolated.
Touch screen is formed false-touch prevention region 2, and the region that palm is contacted with touch screen is mainly dropped in false-touch prevention region 2, and the false touch point in false touch region 2 is isolated by the method finally by software, thus does not affect the normal running of touch screen.In addition, the operating habit write according to pointer or paint, the palm of handheld touch pen can be formed mobile on touch screen, false-touch prevention region 2 of the present invention can be moved according to the movement of the movement of palm and false touch point, therefore, it is possible to reliable and automatically adapt to the false touch produced by staff point to isolate.
Embodiment 2
For a false-touch prevention method for touch screen, can be used in the computer terminal of the giant-screens such as panel computer.False-touch prevention method of the present invention mainly solve user when using pointer to carry out the operation of writing or painting palm to the false touch problem of touch screen.People by pointer on touch screen during operational order, the hand side held a pen is often using touch screen as support, thus it is more comfortable and smooth when using pointer to write or draw a picture, but simultaneously can make touch screen generation maloperation because palm contacts with touch screen, thus affect the normal instructions of pointer on touch screen and operate.The physical isolation that the false-touch prevention method of touch screen is realized by division board, can isolate palm or signal transmission between finger and touch screen.As shown in Figure 9, described division board 8 is transparent or semitransparent plastic plate; Plastic plate is lightweight, easy to carry, and cost is low, and this plastic plate can be the contour material of acrylic; The content that user is drawn under can seeing plate through transparent or semitransparent division board, even if division board covers on touch screen, but also can not affect use.Division board 8 also can make it just can become transparent or semitransparent in use by other means.In two surface of contact that described division board 8 and touch screen contact with hand, at least one surface of contact is shiny surface, and this shiny surface contacts with touch screen, easily moves on touch screen, to facilitate user in any position operation of touch screen.The shape of described division board is cylindrical, and its diameter is 30mm ~ 100mm.The thickness of described division board is 0.2 ~ 10mm, and the specific inductive capacity of corresponding division board material is different, and thickness also has corresponding difference.As shown in figure 14, people by pointer on touch screen 1 during operational order, palm 13 side held a pen is often using touch screen 1 as support, thus more comfortable and smooth when using pointer 14 to write or draw a picture, and simultaneously described division board 8 avoids the maloperation of palm 13 pairs of touch screens 1.
As shown in Figure 2, the false-touch prevention method of division board comprises the following steps:
(1) on touch screen, false touch point a false touch region for isolating to be formed by staff is formed;
(2) this false touch region is formed by being placed on the region that touch screen covers for the division board of support staff;
(3) this false touch region can be moved on touch screen with the movement of division board.
Embodiment 3
For a false-touch prevention method for touch screen, can be used in the computer terminal of the giant-screens such as panel computer.False-touch prevention method of the present invention mainly solve user when using pointer to carry out the operation of writing or painting palm to the false touch problem of touch screen.People by pointer on touch screen during operational order, the hand side held a pen is often using touch screen as support, thus it is more comfortable and smooth when using pointer to write or draw a picture, but simultaneously can make touch screen generation maloperation because palm contacts with touch screen, thus affect the normal instructions of pointer on touch screen and operate.The physical isolation that the false-touch prevention method of touch screen is realized by division board.As shown in Figure 10, described division board 8 is transparent or semitransparent plastic plate; Plastic plate is lightweight, easy to carry, and cost is low.The content that user is drawn under can seeing plate through transparent or semitransparent division board, even if division board covers on touch screen, but also can not affect use.Division board also can make it just can become transparent or semitransparent in use by other means.Described division board 8 is provided with groove 9, and the quantity of this groove 9 and shape can set arbitrarily, and the shape of division board 8 also can set arbitrarily, so that division board 8 can coordinate the pointer of little nib to use as ruler or spline.In two surface of contact that described division board 8 and touch screen contact with hand, at least one surface of contact is shiny surface, and this shiny surface contacts with touch screen, easily moves on touch screen, to facilitate user in any position operation of touch screen.The thickness of described division board 8 is 0.2 ~ 10mm, and the specific inductive capacity of corresponding division board 8 material is different, and thickness also has corresponding difference.As shown in figure 14, people by pointer 13 on touch screen 1 during operational order, palm 13 side held a pen is often using touch screen 1 as support, thus more comfortable and smooth when using pointer 14 to write or draw a picture, and simultaneously described division board 8 avoids the maloperation of palm 13 pairs of touch screens 1.
As shown in Figure 2, the false-touch prevention method of division board comprises the following steps:
(1) on touch screen, false touch point a false touch region for isolating to be formed by staff is formed;
(2) this false touch region is formed by being placed on the region that touch screen covers for the division board of support staff;
(3) this false touch region can be moved on touch screen with the movement of division board.
Embodiment 4
For a false-touch prevention method for touch screen, can be used in the computer terminal of the giant-screens such as panel computer.False-touch prevention method of the present invention mainly solve user when using pointer to carry out the operation of writing or painting palm to the false touch problem of touch screen.People by pointer on touch screen during operational order, the hand side held a pen is often using touch screen as support, thus it is more comfortable and smooth when using pointer to write or draw a picture, but simultaneously can make touch screen generation maloperation because palm contacts with touch screen, thus affect the normal instructions of pointer on touch screen and operate.The false-touch prevention method of touch screen is realized isolating by division board and touch screen interaction.Described division board is transparent or semitransparent plastic plate; Plastic plate is lightweight, easy to carry, and cost is low, and this plastic plate can be material as contour in acrylic; The content that user is drawn under can seeing plate through transparent or semitransparent division board, even if division board covers on touch screen, but also can not affect use.Division board also can make it just can become transparent or semitransparent in use by other means.As shown in figure 11, described division board 8 is with two surface of contact of object contact, and at least one surface of contact is provided with conductive coating 10; In the present embodiment, only have the one side contacted with touch screen to be provided with conductive coating 10, this conductive coating 10 is electrically connected by the metal shell 12 of wire 11 with computer terminal.Connection between conductive coating 10 and so-called the earth is by small AC signal, after large-area conductive coating 10 contacts with touch screen 1, to touch screen large area contact signal, being equivalent to inform in touch screen is the position of a bulk of division board, it not the position that real nib is write, such computer terminal will isolate this false touch point, does not leave written trace in the position of division board.The shape of described division board is cylindrical, and its diameter is 30mm ~ 100mm.The thickness of described division board is 0.2 ~ 5mm, and the specific inductive capacity of corresponding division board material is different, and thickness also has corresponding difference.Even if division board 8 is not connected with so-called the earth by wire 11, when hand is placed on division board 8, division board 8 also can being communicated with by the small AC signal with hand, is connected to so-called the earth, plays same effect.As shown in figure 14, people by pointer 14 on touch screen 1 during operational order, palm 13 side held a pen is often using touch screen 1 as support, thus more comfortable and smooth when using pointer to write or draw a picture, and simultaneously described division board 8 avoids the maloperation of palm 13 pairs of touch screens 1.
As shown in Figure 2, the false-touch prevention method of division board comprises the following steps:
(1) on touch screen, false touch point a false touch region for isolating to be formed by staff is formed;
(2) this false touch region is formed by being placed on the region that touch screen covers for the division board of support staff;
(3) this false touch region can be moved on touch screen with the movement of division board.
Embodiment 5
For a false-touch prevention method for touch screen, can be used in the computer terminal of the giant-screens such as panel computer.False-touch prevention method of the present invention mainly solve user when using pointer to carry out the operation of writing or painting palm to the false touch problem of touch screen.People by pointer on touch screen during operational order, the hand side held a pen is often using touch screen as support, thus it is more comfortable and smooth when using pointer to write or draw a picture, but simultaneously can make touch screen generation maloperation because palm contacts with touch screen, thus affect the normal instructions of pointer on touch screen and operate.The false-touch prevention method of touch screen is realized isolating by division board and touch screen interaction.Described division board is transparent or semitransparent plate of conductive material; The content that user is drawn under can seeing plate through transparent or semitransparent division board, even if division board covers on touch screen, but also can not affect use.As shown in figure 12, division board 8 is electrically connected by the metal shell 12 of wire 11 with computer terminal, and the connection between so-called the earth is by small AC signal, after large-area division board contacts with touch screen, to touch screen large area contact signal, being equivalent to inform in touch screen is the position of a bulk of division board, is not the position that real nib is write, such computer terminal will isolate this false touch point, can not leave written trace in the position of division board.The shape of described division board is cylindrical, and its diameter is 30mm ~ 100mm.The thickness of described division board is 0.2 ~ 10mm.Even if division board 8 is not connected with so-called the earth by wire 11, when hand is placed on division board 8, division board 8 also by being connected to so-called the earth with the connection of hand, can play same effect.As shown in figure 14, people by pointer 14 on touch screen 1 during operational order, palm 13 side held a pen is often using touch screen 1 as support, thus more comfortable and smooth when using pointer 14 to write or draw a picture, and simultaneously described division board 8 avoids the maloperation of palm 13 pairs of touch screens 1.
As shown in Figure 2, the false-touch prevention method of division board comprises the following steps:
(1) on touch screen, false touch point a false touch region for isolating to be formed by staff is formed;
(2) this false touch region is formed by being placed on the region that touch screen covers for the division board of support staff;
(3) this false touch region can be moved on touch screen with the movement of division board.
Embodiment 6
For a false-touch prevention system for touch screen, can be used in the computer terminal of the giant-screens such as panel computer.False-touch prevention method of the present invention mainly solve user when using pointer to carry out the operation of writing or painting palm to the false touch problem of touch screen.People by pointer on touch screen during operational order, the hand side held a pen is often using touch screen as support, thus it is more comfortable and smooth when using pointer to write or draw a picture, but simultaneously can make touch screen generation maloperation because palm contacts with touch screen, thus affect the normal instructions of pointer on touch screen and operate.The false-touch prevention system of touch screen can drive layer software and hardware by the touch screen of computer terminal, and system layer software and application layer software realize separately or jointly realize.False-touch prevention system for touch screen comprises: the false touch region formed on touch screen, for detect contact change contact detecting unit, for judge contact whether false touch point contact judging unit, according to the false touch zone location unit of the position adjustment false touch regional location of false touch point set and the isolated location for the false touch point touch-control of isolating false touch region.
The shape in false touch region, size and position set according to user, and user can set the size in initialized false touch region, shape and position, also in use can adjust the size in false touch region, shape and position according to demand.
The shape in false touch region is circle, rectangle or ellipse, according to the distribution of the false touch point that palm is formed on touch screen, the false touch region of application claims should encase all false touch points, do not affect again the operation of touch screen, so the optimum shape in false touch region is circle, rectangle or ellipse.
Described false touch region can show on touch screen, the form of display can be the color in change false touch region or be enclosed in false touch region with wire bar system, such user just can see virtual false touch region at touch screen, is convenient to user and judges that whether the position in false touch region, size and shape be suitable; In order to not affect the normal display of touch screen, when not enabling false-touch prevention system, false touch region can be hidden or be suspended on the side of touch screen, when needs are enabled, is taken out in false touch region by software.
The continuous detection of contact detecting unit by certain hour interval or the triggering by touch-control event, realize the variation monitoring to the contact on touch screen, the change of this contact comprises the change in location of contact, the increase of contact and the disappearance of contact; The sweep frequency of usual touch screen is 60Hz-200Hz.
Whether contact judging unit belongs to false touch point according to the position judgment contact of the size in false touch region and position and touch point, and the judgement of false touch point can be realized by following several method:
A () false touch region is with the expanded in size of a deviator Rb and form a false touch surveyed area, the contact appeared in false touch surveyed area is false touch point, deviator Rb is a reference value, and Rb=0.5m/s*50Hz=10mm, 0.5m/s are the very fast speeds of finger/palm movement.
B (), according to the motion track of contact, contact touch screen derived from false touch region is false touch point; According to the track of contact can know contact move before position, if the original position of contact is in false touch region, so these contacts should belong to segregate false touch point, even if these false touch points move, system still assert that they are false touch point.
C () has contact outside false touch region, and the border in distance false touch region is more than a threshold values R
r, R
rlarger than the radius of false touch surveyed area in principle, R
r=2*R
b=20mm, this contact is considered to the contact of pointer but not false touch point; According to the operating habit of pointer, the border in distance false touch region is more than a threshold values R
rcontact can be identified as the touch-control of pointer, these non-false touch points forever can realize touch-control on touch screen, and no matter whether these contacts finally can fall in false touch region.
The position judgment of contact can be realized by following method:
A () is undertaken judging and operating by the location coordinate information of contact, the location coordinate information of contact obtains by existing touch screen technology, no longer describes in detail.
B () is undertaken judging and operating by the coordinate of contact and shape information, the false touch point produced by staff obviously has shape, and the location coordinate information of contact and shape information obtain by existing touch screen technology, no longer describe in detail.
C analog contacts circle that () is Rt by the position coordinates of contact and the radius of encirclement contact carries out judging and operating; The radius of the usual hand contact of Rt=3-10mm().
False touch zone location unit can make the position in false touch region adjust along with the position of all false touch points:
If false touch region can not cover the smallest circle of surrounding all false touch points completely, then minor increment (two distance of center circle are poor from-two radius of circles) is moved to the center of circle of above-mentioned smallest circle in the center in false touch region, and makes false touch region encase above-mentioned smallest circle; Minimum diameter of a circle and position can be determined according to the coordinate distribution of all false touch points and shape; If false touch region can not surround described smallest circle, then report information, prompting user can revise size or the shape in false touch region.
If all false touch points are all in false touch region, then false touch region is motionless.
When false touch region moves to the border of touch screen, and the smallest circle radius that false touch region surrounds false touch point is when diminishing, maximum distance (two distance of center circle are poor from+two radius of circles) is moved to the center of circle of above-mentioned smallest circle in the center in false touch region, and makes false touch region can surround above-mentioned smallest circle; If during without any false touch point, false touch region by minimization border or hide.
Isolated location is for isolating the touch-control of all false touches point.
Touch screen is formed false-touch prevention region, and the region that palm is contacted with touch screen is mainly dropped in false-touch prevention region, and the false touch point in false touch region is isolated by the method finally by software, thus does not affect the normal running of touch screen.In addition, the operating habit write according to pointer or paint, the palm of handheld touch pen can be formed mobile on touch screen, false-touch prevention region of the present invention can be moved according to the movement of the movement of palm and false touch point, therefore, it is possible to reliable and automatically adapt to the false touch produced by staff point to isolate.
Claims (23)
1., for a false-touch prevention method for touch screen, it is characterized in that, comprise the following steps:
(1) on touch screen, a false touch region is formed;
(2) once touch screen there be contact change;
(3) false touch point whether is belonged to according to the size in false touch region and the position judgment contact of position and touch point;
(4) position in false touch region adjusts along with the position of all false touch points;
(5) touch-control of all false touches point is isolated.
2. the false-touch prevention method for touch screen according to claim 1, is characterized in that: in described step (1), and the shape in false touch region, size and position set according to user.
3. the false-touch prevention method for touch screen according to claim 1, is characterized in that: in described step (1), and the shape in false touch region is circle, rectangle or ellipse.
4. the false-touch prevention method for touch screen according to claim 1, it is characterized in that: in described step (3), false touch region is with a deviator R
bexpanded in size and form a false touch surveyed area, the contact appeared in false touch surveyed area is false touch point.
5. the false-touch prevention method for touch screen according to claim 1, is characterized in that: in described step (3), according to the motion track of contact, and contact touch screen derived from false touch region is false touch point.
6. the false-touch prevention method for touch screen according to claim 1, is characterized in that: have contact outside false touch region, and the border in distance false touch region is more than a threshold values R
r, this contact is non-false touch point.
7. the false-touch prevention method for touch screen according to claim 1, it is characterized in that: in described step (4), if all false touches point is all in false touch region, then false touch region is motionless.
8. the false-touch prevention method for touch screen according to claim 1, is characterized in that: in described step (4),
If a () false touch region can not cover the smallest circle of surrounding all false touch points completely, then minor increment is moved to the center of circle of above-mentioned smallest circle in the center in false touch region, and makes false touch region encase above-mentioned smallest circle;
If b () false touch region can not surround described smallest circle, then report information.
9. the false-touch prevention method for touch screen according to claim 1, is characterized in that: in described step (3) and (4), undertaken judging and operating by the location coordinate information of contact.
10. the false-touch prevention method for touch screen according to claim 1, is characterized in that: in described step (3) and (4), is undertaken judging and operating by the coordinate of contact and shape information.
The 11. false-touch prevention methods for touch screen according to claim 1, is characterized in that: in described step (3) and (4), are R by the position coordinates of contact and the radius that surrounds contact
tanalog contacts circle carry out judging and operating.
The 12. false-touch prevention methods for touch screen according to claim 1, it is characterized in that: in described step (3), when false touch region moves to the border of touch screen, if without any false touch point on touch screen, false touch region by minimization border or hide.
The 13. false-touch prevention methods for touch screen according to claim 12, it is characterized in that: when false touch region moves to the border of touch screen, and the smallest circle radius surrounding false touch point is when diminishing, maximum distance is moved to the center of circle of above-mentioned smallest circle in the center in false touch region, and makes false touch region can surround above-mentioned smallest circle; If without any false touch point on touch screen, false touch region by minimization border or hide.
The 14. false-touch prevention methods for touch screen according to claim 1, is characterized in that: described false touch region can show on touch screen.
15. for a false-touch prevention method for touch screen, it is characterized in that:
(1) on touch screen, false touch point a false touch region for isolating to be formed by staff is formed;
(2) this false touch region is formed by being placed on the region that touch screen covers for the division board of support staff;
(3) this false touch region can be moved on touch screen with the movement of division board.
16. a kind of false-touch prevention methods for touch screen according to claim 15, is characterized in that: described division board is non-conducting material plate, and described division board can isolate signal transmission between staff and touch screen.
17. a kind of false-touch prevention methods for touch screen according to claim 15, it is characterized in that: described division board is plate of conductive material, make division board on touch screen, form large-area contact, according to size, the computer terminal with touch screen judges that this large-area contact is false touch point and is isolated.
18. a kind of false-touch prevention methods for touch screen according to claim 15, it is characterized in that: in two surface of contact of described division board and object contact, at least one surface of contact is provided with conductive coating, make division board on touch screen, form large-area contact, according to size, the computer terminal with touch screen judges that this large-area contact is false touch point and is isolated.
19. a kind of false-touch prevention method for touch screen according to claim 15, is characterized in that: described division board is transparent or semitransparent.
20. a kind of false-touch prevention methods for touch screen according to claim 15, is characterized in that: described false touch region notice board is light material part, and its density is for being less than or equal to 3 × 10
3kg/m
3.
21. a kind of false-touch prevention methods for touch screen according to claim 15, is characterized in that: the thickness of described division board is 0.2 ~ 10mm.
22. a kind of false-touch prevention methods for touch screen according to claim 15, is characterized in that: in two surface of contact of described false touch region notice board and object contact, at least one surface of contact is shiny surface.
23. 1 kinds, for the false-touch prevention system of touch screen, is characterized in that, comprising:
The false touch region that touch screen is formed;
For detecting the contact detecting unit of contact change;
For judging the contact judging unit of contact whether false touch point;
According to the false touch zone location unit of the position adjustment false touch regional location of false touch point set;
For isolating the isolated location of all false touches point touch-control.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510517389.1A CN105068690B (en) | 2015-07-28 | 2015-08-21 | A kind of false-touch prevention method and system for touch screen |
| PCT/CN2016/000417 WO2017031910A1 (en) | 2015-07-28 | 2016-07-26 | Mistaken touch prevention method for touch screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2015205501232 | 2015-07-28 | ||
| CN201520550123 | 2015-07-28 | ||
| CN201510517389.1A CN105068690B (en) | 2015-07-28 | 2015-08-21 | A kind of false-touch prevention method and system for touch screen |
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| Publication Number | Publication Date |
|---|---|
| CN105068690A true CN105068690A (en) | 2015-11-18 |
| CN105068690B CN105068690B (en) | 2018-10-26 |
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| CN201520634968.XU Expired - Fee Related CN205121529U (en) | 2015-07-28 | 2015-08-21 | Computer terminal touches device with preventing mistake with touch screen |
| CN201510517389.1A Expired - Fee Related CN105068690B (en) | 2015-07-28 | 2015-08-21 | A kind of false-touch prevention method and system for touch screen |
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| CN201520634968.XU Expired - Fee Related CN205121529U (en) | 2015-07-28 | 2015-08-21 | Computer terminal touches device with preventing mistake with touch screen |
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| WO (1) | WO2017031910A1 (en) |
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| CN109582174A (en) * | 2018-11-12 | 2019-04-05 | 维沃移动通信有限公司 | A kind of touch-control input response method and terminal device |
| CN109669580A (en) * | 2018-12-28 | 2019-04-23 | 努比亚技术有限公司 | False-touch prevention operating method, mobile terminal and computer readable storage medium |
| TWI697825B (en) * | 2019-07-03 | 2020-07-01 | 華碩電腦股份有限公司 | Control method of handheld device |
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| CN111142766B (en) * | 2019-12-02 | 2020-12-11 | 腾讯科技（深圳）有限公司 | Area dynamic adjustment method and device and storage medium |
| WO2021218421A1 (en) * | 2020-04-30 | 2021-11-04 | 京东方科技集团股份有限公司 | Data processing method and apparatus, and smart interaction device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN205121529U (en) | 2016-03-30 |
| WO2017031910A1 (en) | 2017-03-02 |
| CN105068690B (en) | 2018-10-26 |
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