CN106293261A - A kind of touch screen localization method, device and touch-screen equipment - Google Patents
A kind of touch screen localization method, device and touch-screen equipment Download PDFInfo
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- CN106293261A CN106293261A CN201510263337.6A CN201510263337A CN106293261A CN 106293261 A CN106293261 A CN 106293261A CN 201510263337 A CN201510263337 A CN 201510263337A CN 106293261 A CN106293261 A CN 106293261A
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Abstract
The invention provides a kind of touch screen localization method, device and touch-screen equipment, relate to technical field of touch control, when solving existing touch screen location, response speed is slow, the problem easily losing point, broken string.A kind of touch screen localization method, is applied to touch-screen equipment, and described touch screen is divided into multiple touch unit；Method includes: within a scan period, is scanned with M group light path, and obtains actual light path block information；Obtain the reference path block information of each touch unit；According to actual light path block information and the reference path block information of each touch unit, determine the set of object element；Set according to object element determines the positional information of touch point.Detection for touch screen.
Description
Technical field
The present invention relates to technical field of touch control, particularly relate to a kind of touch screen localization method, device
And touch-screen equipment.
Background technology
Nowadays, touch display screen and be widely used to the various aspects of social life.Touch display
Shield the icon only needing user to touch on display screen by finger or word can be achieved with operation, make man-machine
Mutual the most simple and direct.According to operation principle and the medium of transmission information of touch screen, touch
Screen is generally divided into four kinds, respectively resistance-type, capacitor induction type, infrared-type and surface sound
Waves.Wherein, infrared touch panel is not by electric current, voltage and static interference, suitable adverse circumstances
Condition, is the development trend of touch screen product.
As it is shown in figure 1, be existing a kind of infrared touching screen structure schematic diagram, this touch screen bag
Include transparent panel, infrared emission component 21 and infrared receiver component 22.Wherein, transparent panel
Rectangular, including the first relative side 11 and the 3rd side 13, and the second relative side 13
With the 4th side 14.Wherein, the first side 11 and the second side 12 are provided with multiple infrared
Penetrate element 21, the 3rd side 13 and the 4th side 14 are provided with and infrared emission component 21 1
The infrared receiver component 22 of one correspondence.Its principle touching location is: first be disposed adjacent
Infrared emission component 21 on side 11 and the second side 12 sends infrared signal and forms light net, when
When finger touches screen, finger will block the infrared letter through this position at touch location
Number, thus the infrared receiver component of correspondence does not receives infrared signal, at processor location according to this
Touch point is in the position of screen.
Existing infrared touch panel is rectangular, and conventional red outside line location algorithm is just swept according to long minor face
The light path that is blocked in direction is orthogonal obtains touch point, therefore can normally work during single-touch；
During multiple point touching, orthogonal the counting more than true contact of counting obtained, need to carry out true and false point
Judging (referred to as removing ghost point), otherwise system can be made mistakes.Owing to traditional algorithm is all based on light
The mathematical operation of space, road and mathematics logical operations are really put and are identified and false that put elimination, and it exists
The problems such as operand is big, logic is complicated, when being embodied in number of contacts increase, response speed
The most slack-off, easily lose point, broken string etc., have a strong impact on user's impression.
In prior art, general employing promotes hardware and solves the problems referred to above, but processor performance
Room for promotion is limited, relies solely on lifting hardware and can not fundamentally solve big the asking of its operand
Topic.
Summary of the invention
Embodiments of the invention provide a kind of touch screen localization method, device and touch-screen equipment, carry
Supply the easiest a kind of localization method, can accurately realize multipoint positioning without a large amount of computings.
For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that
On the one hand, embodiments provide a kind of touch screen localization method, be applied to touch screen
Equipment, described touch screen is divided into multiple touch unit；Described method includes:
Within a scan period, it is scanned with M group light path, and obtains actual light path and block
Information；Wherein, light path described in a group includes: a plurality of parallel light path of first direction, second party
To a plurality of parallel light path；Described actual light path block information includes: each bar in M group light path
The parameter whether light path is blocked, wherein, described first direction intersects with described second direction,
M is the positive integer more than or equal to 1；
Obtain the reference path block information of each touch unit；Wherein, the ginseng of described touch unit
Examine light path block information to include: if described touch unit is as touch point, and with described reality
The same optical path scanning of light path block information, then the ginseng whether each bar light path obtained is blocked
Number；
According to actual light path block information and the reference path block information of described each touch unit,
Determine the set of object element；Described object element is: light path quilt in reference path block information
The parameter that the parameter blocked is blocked with light path in described actual light path block information, at least one
Organize the touch unit all having overlap in the first direction in light path and second direction；
Set according to described object element determines the positional information of touch point.
On the other hand, embodiments provide a kind of touch screen positioner, be applied to touch
Screen equipment, described touch screen is divided into multiple touch unit；Described positioner includes:
First acquiring unit, within a scan period, is scanned with M group light path,
Obtain actual light path block information；Wherein, light path described in a group includes: first direction a plurality of
Parallel light path, a plurality of parallel light path of second direction；Described actual light path block information includes:
The parameter whether each bar light path in M group light path is blocked, wherein, described first direction and institute
Stating second direction to intersect, M is the positive integer more than or equal to 1；
Second acquisition unit, for obtaining the reference path block information of each touch unit；Wherein,
The reference path block information of described touch unit includes: if described touch unit is as touch
Point, and scan with the same optical path with described actual light path block information, then each bar light obtained
The parameter whether road is blocked；
First determines unit, for according to actual light path block information and described each touch unit
Reference path block information, determines the set of object element；Described object element is: reference light
The parameter that in the block information of road, light path is blocked and light path quilt in described actual light path block information
Overlap is all had in the parameter blocked, first direction in least one set light path and second direction
Touch unit；
Second determines unit, for determining the position of touch point according to the set of described object element
Information.
Another further aspect, embodiments provides a kind of touch-screen equipment, including:
Memorizer, is used for storing batch processing code；
Processor, for the batch processing code stored according to described memorizer, performs the present invention
Arbitrary described touch screen localization method that embodiment provides.
Embodiments of the invention provide a kind of touch screen localization method, device and touch-screen equipment, logical
Cross and touch screen is divided into multiple touch unit, the reference path of each touch unit is blocked letter
Breath is stored in display device.When touch screen is when being touched, obtain actual light path block information,
Owing to touch point covers touch unit, then the touch unit part light path that touched point covers is hidden
The parameter phase being blocked in light path parameter and the reference path block information of this touch unit of gear
With, then by the reference path block information of actual light path block information with each touch unit is entered
Row coupling i.e. may determine that the object element in touch unit i.e. the application that touch point covers, then
The positional information of touch point is determined by object element.The touch screen that the embodiment of the present invention provides is fixed
Method for position is entirely different with conventional mapping methods, and it is by blocking the reference path of touch unit
Information stores, and mates with the actual light path block information obtained, to be touched
The touch unit that point is corresponding, obtains the positional information of touch point, it is not necessary to carry out tradition in this approach
Algorithm, localization method is simple, and fast response time.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below by right
In embodiment or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that,
Accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art
From the point of view of, on the premise of not paying creative work, it is also possible to obtain the attached of other according to these accompanying drawings
Figure.
Fig. 1 is existing touch screen structure schematic diagram；
A kind of touch screen localization method schematic diagram that Fig. 2 provides for the embodiment of the present invention；
One group of light path schematic diagram that Fig. 3 provides for the embodiment of the present invention；
The actual light path obtained during touch point is not had in the cycle that Fig. 4 is light path shown in Fig. 3
Block information；
Another group light path schematic diagram that Fig. 5 provides for the embodiment of the present invention；
The reality obtained during touch point is not had in the cycle that Fig. 6 provides for the embodiment of the present invention
Border light path block information；
Two groups of light path schematic diagrams of one that Fig. 7 provides for the embodiment of the present invention；
The actual light path that Fig. 8 obtains when being not have touch point in light path next cycle shown in Fig. 7
Block information；
The actual light path that Fig. 9 obtains when being not have touch point in light path next cycle shown in Fig. 7
Block information；
A kind of display screen that Figure 10 provides for the embodiment of the present invention is divided into multiple touch unit
Schematic diagram；
A kind of light path with touch unit a as touch point that Figure 11 provides for the embodiment of the present invention
Scanning schematic diagram；
Figure 12 is the reference path block information of touch unit a in Figure 11；
Figure 13 is a kind of actual light path block information under light path shown in Fig. 3；
The method of a kind of positional information determining touch point that Figure 14 provides for the embodiment of the present invention
Schematic diagram；
The Petting Area signal that a kind of touch unit that Figure 15 provides for the embodiment of the present invention is formed
Figure；
Figure 16 determines the side of the positional information of touch point for the another kind that the embodiment of the present invention provides
Method schematic diagram；
The Petting Area signal that the another kind of touch unit that Figure 17 provides for the embodiment of the present invention is formed
Figure；
Figure 18 determines the side of the positional information of touch point for the another kind that the embodiment of the present invention provides
Method schematic diagram；
The another kind of touch screen localization method schematic diagram that Figure 19 provides for the embodiment of the present invention；
A kind of touch screen localization method detailed description of the invention that Figure 20 provides for the embodiment of the present invention
Schematic diagram；
The one that Figure 21 provides for the embodiment of the present invention within a scan period with two groups of light paths
The schematic diagram being scanned；
The actual light path shown in a kind of Figure 21 that Figure 22 provides for the embodiment of the present invention blocks letter
Breath；
A kind of touch unit that Figure 23 provides for the embodiment of the present invention is scanned with two groups of light paths
Schematic diagram；
Figure 24 is the reference path block information of the touch unit shown in Figure 23；
Figure 25 is the actual light path block information of first shown in Figure 22 and first shown in Figure 24
The contrast form schematic diagram of reference path block information；
Figure 26 is the actual light path block information of second shown in Figure 22 and second shown in Figure 24
The contrast form schematic diagram of reference path block information；
Figure 27 is the positional information schematic diagram of the touch point determined；
The another kind of touch screen localization method detailed description of the invention that Figure 28 embodiment of the present invention provides
Schematic diagram；
Figure 29 is the actual light path block information obtained under the light path shown in Figure 21；
Figure 30 is that the reference path of the touch unit obtained under the light path shown in Figure 21 blocks letter
Breath；
Figure 31 is the actual light path block information shown in Figure 29 and the reference path shown in Figure 30
The contrast form schematic diagram of block information；
A kind of touch screen positioner schematic diagram that Figure 32 provides for the embodiment of the present invention；
The another kind of touch screen positioner schematic diagram that Figure 33 provides for the embodiment of the present invention；
The one second that Figure 34 provides for the embodiment of the present invention determines cell schematics；
The another kind second that Figure 35 provides for the embodiment of the present invention determines cell schematics；
The another kind second that Figure 36 provides for the embodiment of the present invention determines cell schematics；
A kind of touch-screen equipment schematic diagram that Figure 37 provides for the embodiment of the present invention.
Reference:
11-the first side；12-the second side；13-the 3rd side；14-the 4th side；21-infrared emission unit
Part；22-infrared receiver component.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is entered
Row clearly and completely describes, it is clear that described embodiment is only a part of embodiment of the present invention,
Rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
Have and make the every other embodiment obtained under creative work premise, broadly fall into present invention protection
Scope.
Embodiments provide a kind of touch screen localization method, be applied to touch-screen equipment, touch
Touch screen and be divided into multiple touch unit；As in figure 2 it is shown, described localization method includes:
Step 101, within a scan period, be scanned with M group light path, and obtain reality
Border light path block information.
Wherein, one group of light path includes: a plurality of parallel light path of first direction, second direction is many
Bar parallel light path；Actual light path block information includes: each bar light path in M group light path whether by
The parameter blocked, wherein, first direction intersects with second direction, and M is more than or equal to 1
Positive integer, can be scanned with many group light paths in i.e. one scan period, then corresponding actual light
Road block information includes organizing the parameter that in light path, whether each bar light path is blocked more.
It is illustrated in figure 3 one group of light path schematic diagram that the embodiment of the present invention provides, Fig. 3 (a)
It show a plurality of parallel light path of first direction, within the t1 time period, infrared emission component
H1-H6 opens successively, and infrared receiver component h1-h6 receives the infrared emission signal of correspondence successively；
Fig. 3 (b) show a plurality of parallel light path of second direction, within the t2 time period, infrared
Penetrating element D1-D10 to open successively, infrared receiver component d1-d10 receives the infrared of correspondence successively
Launch signal；One of them cycle T=t1+t2.Actual light path block information is i.e. in the t1 time period
The parameter that interior infrared receiver component h1-h6 receives successively, and infrared receiver within the t2 time period
The parameter that element d1-d10 receives successively.Infrared receiver component is received by the embodiment of the present invention
The infrared signal that corresponding infrared emission component is launched is labeled as 1, is not i.e. blocked；Connect infrared
Receive element to connect and do not receive the infrared signal that corresponding infrared emission component launches and be labeled as 0, i.e. hidden
Gear.Can certainly use other not isolabelings, the embodiment of the present invention is not construed as limiting, only more than
As a example by stating.If in the cycle, touch screen does not accept touch, does not i.e. have touch point, then institute
There is infrared receiver component all can receive the infrared signal that corresponding infrared emission component is launched, this
Time, the actual light path block information of acquisition can be 111,111 1111111111, i.e. such as Fig. 4
Shown in, each infrared emission component being corresponding in a cycle be transmitted into infrared signal whether by
The labelling blocked.
Wherein, one group of light path can also is that as it is shown in figure 5, Fig. 5 (a) show first party
To a plurality of parallel light path, within the t3 time period, infrared emission component H1-H6 opens successively,
Infrared receiver component h1-h6 receives the infrared emission signal of correspondence successively；Fig. 5 (b) show
The a plurality of parallel light path of second direction, within the t4 time period, infrared emission component D1-D10
Opening successively, infrared receiver component d1-d10 receives the infrared emission signal of correspondence successively；Its
In a cycle T=t1+t2.
Certainly, as shown in Fig. 3, Fig. 5, a scan period T can also is that T=t1+t2+t3+t4.
I.e. within a scan period, it is scanned with two groups of light paths (M=2), within the t1 time period,
Infrared emission component H1-H6 opens successively, and infrared receiver component h1-h6 receives correspondence successively
Infrared emission signal；Within the t2 time period, infrared emission component D1-D10 opens successively, red
Outer reception element d1-d10 receives the infrared emission signal of correspondence successively；Within the t3 time period,
Infrared emission component H1-H5 opens successively, and infrared receiver component h2-h6 receives correspondence successively
Infrared emission signal；Within the t4 time period, infrared emission component D1-D9 opens successively, red
Outer reception element d2-d10 receives the infrared emission signal of correspondence successively；Now, during t1 and t3
Between light path slope in section different, the light path slope in t2 with the t4 time period is different.Now,
If in the cycle, touch screen does not accept touch, does not i.e. have touch point, now, acquisition
Actual light path block information can be 111,111 1,111,111,111 11,111 111111111, the most such as
Shown in Fig. 6, each infrared emission component being corresponding in a cycle is transmitted into infrared signal and is
The no labelling being blocked.
Within a scan period, it is scanned with two groups of light paths (M=2), it is also possible to be one
Infrared emission component is simultaneously emitted by the infrared signal of two Different Slope, as shown in Figure 7.Fig. 7
A () showed within the t5 time period, infrared emission component H1-H6 opens successively, wherein,
(in Fig. 7, light path 1 is one to the infrared signal of one infrared emission component two Different Slope of transmitting
The infrared signal of individual slope, light path 2 is the infrared signal of another slope), infrared receiver unit
Part h1-h6 receives the red of two Different Slope of an infrared emission component transmitting of correspondence successively
External signal；Fig. 7 (b) showed within the t6 time period, and infrared emission component D1-D10 depends on
Secondary opening, wherein, an infrared emission component launches the infrared signal of two Different Slope, red
Two of the infrared emission component transmitting that outer reception element d1-d10 receives correspondence successively red
External signal；One of them cycle T=t5+t6.If in the cycle, touch screen does not accept to touch
Touching, i.e. do not have touch point, the most all infrared receiver components all can receive corresponding infrared emission
The infrared signal that element is launched, now, the actual light path block information of acquisition can be such as Fig. 8
Shown in, it is the mark of the infrared emission signal that each infrared receiver component receives successively in a cycle
Note；Can also is that as it is shown in figure 9, each infrared emission component being corresponding in a cycle is sent out
The labelling whether infrared signal of two Different Slope penetrated is blocked.
It should be noted that an infrared emission component launches the red of two Different Slope in Fig. 7
As a example by external signal, it is preferred that an infrared emission component can launch the red of three Different Slope
External signal.It addition, launch light path 1 and the light path 2 of H1 transmitting by infrared emission component as a example by,
If light path 1 is identical with the light path 1 described in Fig. 7, light path 2 can also is that corresponding by infrared receiver
Element h3 or h4 receives.The slope of Different Red external signal is the most specifically limited by the embodiment of the present invention
Fixed, only illustrate as a example by shown in the drawings.
As shown in Fig. 3, Fig. 5, the embodiment of the present invention is all vertical with second direction with first direction
As a example by be described in detail.
It is further to note that different to the requirement touching precision according to display device, touch
On screen, the division of touch unit is different.For such as with the touch screen of 65 inches, if to touch
Required precision is higher, then can be divided into 800*600 touch unit；If to touching precision
Less demanding, then can be divided into 400*300 touch unit.
Step 102, obtain the reference path block information of each touch unit.Wherein, list is touched
Unit reference path block information include: if touch unit is as touch point, and with actual light
The same optical path scanning of road block information, then the parameter whether each bar light path obtained is blocked.
As shown in Figure 10, touch screen is divided into 5*3 touch unit.As shown in figure 11, with
As a example by one of them touch unit a, the light path of actual light path block information is as shown in Figure 3
Light path, the reference path block information of touch unit a as shown in figure 12, i.e. touch unit a
As touch point, scan with the same optical path with actual light path block information, then each bar obtained
The parameter whether light path is blocked.As shown in Figure 11, Figure 12, when touch unit a is for touching
Point, then within the t1 time period, infrared receiver component h3 and h4 does not receives infrared signal,
The infrared signal that i.e. infrared emission component h3 and h4 launches is blocked, and is marked as 0, its
His infrared receiver component receives infrared signal, and i.e. other infrared emission component transmitting is red
External signal is not blocked, and is marked as 1；Within the t2 time period, infrared receiver component d5
Not receiving infrared signal with d6 and be marked as 0, other infrared receiver component receives
Infrared signal, is labeled as 1, and the reference path block information of touch unit a finally given is such as
Shown in Figure 12, it is 110,011 1111001111.
In the embodiment of the present invention, the reference path block information of each touch unit can be to obtain in advance
Obtain and be stored in display device.
Step 103, reference path according to actual light path block information and each touch unit are blocked
Information, determines the set of object element.Object element is: light path in reference path block information
The parameter that the parameter being blocked is blocked with light path in actual light path block information, in least one set
The touch unit of overlap is all had on first direction in light path and second direction.
In the parameter that in reference path block information, light path is blocked and actual light path block information
All have on the parameter that light path is blocked first direction in least one set light path and second direction
Overlapping touch unit.Then according to the definition of this object element, according to actual light path block information
With the reference path block information of each touch unit, determine the target list in the set of object element
Unit is more, can be the actual touch point all or part of target list that covers this touch unit
Unit.
The embodiment of the present invention is preferred, and object element is that in reference path block information, light path is hidden
The parameter that the parameter of gear and light path in actual light path block information are blocked is in M group light path
The touch unit of overlap is all had on first direction and second direction.Light in reference path block information
The parameter that the parameter that road is blocked and light path in actual light path block information are blocked is at M group light
The touch unit all having overlap on first direction in road and second direction must be that touch point is complete
This touch unit of all standing.According to the definition of this object element, the set of the object element determined
Middle object element is less, reduces touch scope further, touches precision higher.
Example, the light path of actual light path block information is light path as shown in Figure 3, actual light
Road block information as shown in figure 13, is 110,000 1111001111, i.e. infrared emission component
The infrared signal that h3, h4, h5, h6, d5 and d6 launch all is blocked.Touch unit a
Reference path block information as shown in figure 12, is 110,011 1111001111, i.e. infrared receiver
The infrared signal that element h3, h4, d5 and d6 launch all is blocked.Actual light path blocks letter
The parameter that in breath, light path is blocked and light path quilt in the reference path block information of touch unit a
The parameter blocked is in a first direction (in the t1 time period) and in second direction (in the t2 time period)
All have overlap, then touch unit a is object element.
Certainly, be the most only example list actual light path block information and touch unit a
Reference path block information, concrete can determine that many according to an actual light path block information
Individual object element is the set of object element, and the present invention will enumerate a specific embodiment later
It is described in detail.
Step 104, set according to object element determine the positional information of touch point.
Embodiments provide a kind of touch screen localization method, in this programme, by inciting somebody to action
Touch screen is divided into multiple touch unit, is deposited by the reference path block information of each touch unit
Storage at display device, wherein, reference path block information be touch unit as touch point, and
Scanning with the same optical path with actual light path block information, whether each bar light path obtained is blocked
Parameter.When touch screen is when being touched, obtain actual light path block information, owing to touching
Point covers touch unit, the then light path that the touch unit part light path that touched point covers is blocked
Parameter is identical with the parameter being blocked in the reference path block information of this touch unit, then pass through
Carry out actual light path block information with the reference path block information of each touch unit mating i.e.
May determine that the object element in touch unit i.e. the application that touch point covers, wherein, target
Unit is the parameter that in reference path block information, light path is blocked and blocks letter with actual light path
On the parameter that in breath, light path is blocked first direction in least one set light path and second direction
All there is the touch unit of overlap, then determined the positional information of touch point by object element.This
The touch screen localization method that bright embodiment provides is entirely different with conventional mapping methods, and it passes through will
The reference path block information of touch unit stores, and blocks letter with the actual light path obtained
Breath mates, the touch unit corresponding to obtain touch point, obtains touch point in this approach
Positional information, it is not necessary to carry out traditional algorithm, localization method is simple, and fast response time.
Set according to object element determines that the positional information of touch point can have multiple not Tongfang
Formula, the embodiment of the present invention by following several as a example by illustrate.
Example, as shown in figure 14, step 104 specifically includes:
Step a1, determine Petting Area, wherein, mesh the most adjacent in the set of object element
Mark unit belongs to a Petting Area.
As shown in figure 15, touch unit a, b, c, d, e, f, g, h, k are the most adjacent,
Then it belongs to a Petting Area；Touch unit j is non-conterminous with it, and touch unit j belongs to another
Individual Petting Area.
Step b1, determine the central point of Petting Area.
As shown in figure 15, what touch unit a, b, c, d, e, f, g, h, k were formed touches
The central point touching district is the center of touch unit e.Another touch that touch unit j is formed
The touch point in district is the center of touch unit j.Certainly, the touch that multiple touch unit are formed
District can also is that erose, and its central point can be geometric center.The embodiment of the present invention
In all illustrate as a example by central point is as geometric center.
Step c1, determine the position letter of touch point according to the central point of Petting Area and pre-set radius
Breath.
Such as pre-set radius can be equal to the radius of the inscribed circle of a touch unit or be equal to
The radius of the circumscribed circle of one touch unit, it is also possible to be as shown in figure 15, that presets is arbitrary
The radius of size, determines the positional information of touch point according to the center of Petting Area and pre-set radius.
Example, as shown in figure 16, step 104 specifically includes:
Step a2, determine Petting Area, wherein, mesh the most adjacent in the set of object element
Mark unit belongs to a Petting Area.Specifically it is referred to above-mentioned steps a1, the Petting Area determined
Can be as shown in figure 17, including touch unit a, b, c, e, f, h, k.
Step b2, determine the central point on each limit of Petting Area.
As shown in figure 17, the central point on each limit is respectively some r, s, m, n.
Step c2, central point according to each limit of Petting Area determine the positional information of touch point.
Concrete, determine that the positional information of touch point is permissible according to the central point on each limit of Petting Area
It is the positional information that determines touch point of the line according to each limit central point, such as, can be according to each
Central point in limit determines a target pattern, as shown in figure 17, target pattern is a some r, s,
M, n are sequentially connected the pattern of formation, and the positional information of this target pattern is the position of touch point
Confidence ceases.Can also is that and determine a target pattern, further according to this according to the central point in each limit
The central point of target pattern and pre-set radius determine the positional information of touch point, i.e. such as Figure 17
Shown touch point.
Or, determine a target pattern according to the central point in each limit, determine this target pattern
The positional information that inscribed circle is touch point.
Certainly, the detailed description of the invention of step c2 is also not limited to above two, and the present invention is real
Execute example only to illustrate as a example by above-mentioned two ways.
Example, as shown in figure 18, step 104 specifically includes:
Step a3, determine Petting Area, wherein, mesh the most adjacent in the set of object element
Mark unit belongs to a Petting Area.Specifically it is referred to above-mentioned steps a1.
Step b3, the central point determining Petting Area and area.
The center of concrete Petting Area can be geometric center, and the area of Petting Area can be that this touches
Touch the area sum of each object element in district.
Step c3, area according to Petting Area determine touch radius.
Concrete, according to the area of Petting Area determine touch radius can be pre-set area with
Touch the mapping relations chart of radius, search mapping relations chart according to the area of Petting Area and obtain
The touch radius preset.
Step d3, according to the central point of Petting Area with touch radius and determine the position letter of touch point
Breath.
Preferably, M is more than or equal to 2.I.e. within a scan period, with at least two group light
Road is scanned；Actual light path block information includes that each bar light path at least two group light paths is
The no parameter being blocked.
Concrete, as a example by M is equal to 2.Within a scan period, enter with two groups of light paths
Row scanning can by be as shown in Fig. 3, Fig. 5 in the way of be scanned, T=t1+t2+t3+t4, i.e.
It is scanned with two groups of light paths；Can also is that mode as shown in Figure 7 is scanned T=t5+t6.
In one scan period, it is scanned with many group light paths, is scanned relative to one group of light path,
The degree of accuracy of the positional information of the touch point obtained is higher, is particularly suited for multiple point touching, it is not necessary to
Existing complexity go ghost point processing.And in the scan period, be scanned with more many groups light path,
The degree of accuracy of the positional information of its touch point obtained is the highest, but its processing procedure is relatively long,
The localization method that then embodiment of the present invention provides, it is preferred that with in the scan period, with three
Group light path is scanned.
Preferably, in the case of M is more than or equal to 2, actual light path block information includes:
M actual light path blocks sub-information, and each actual light path is blocked sub-information and included in one group of light path
The parameter that whether is blocked of each bar light path；Reference path block information includes: M with actual
Light path is blocked reference path corresponding to sub-information and is blocked sub-information.In the case, the present invention is real
Executing a kind of touch screen localization method that example provides, as shown in figure 19, above-mentioned steps 103 is concrete
Including:
M actual light path is blocked sub-information block sub-information with M reference path and enter respectively
Row coupling, determines the set of M group candidate target unit；Candidate target unit is a reality
Light path is blocked the parameter that in sub-information, light path is blocked and is blocked in sub-information with a reference path
The parameter that light path is blocked the most all has the touch unit of overlap.
Described method also includes: step 105, set according to M group candidate target unit determine
The set of object element.
Method as shown in figure 19 is by the difference group candidate target unit collection to object element
Conjunction is checked further and screens, and determines the accuracy of the set of object element.Tapping more
When touching, the method can be also used for removing ghost point, improves the degree of accuracy of multiple point touching.
Below, the embodiment of the present invention will be enumerated two specific embodiments and carry to illustrate the present invention
The localization method of confession.
Specific embodiment one:
It is scanned with the scan mode shown in Fig. 7, i.e. one cycle T=t5+t6, sweeps for one
Retouch in the cycle, be scanned with two groups of light paths；Within the t5 time period, infrared emission component H1-H6
Opening successively, wherein, an infrared emission component launches the infrared signal (figure of two Different Slope
In 7, light path 1 is the infrared signal of a slope, and light path 2 is the infrared signal of another slope),
Infrared receiver component h1-h6 receives two of an infrared emission component transmitting of correspondence not successively
Infrared signal with slope；Fig. 7 (b) showed within the t6 time period, infrared emission component
D1-D10 opens successively, and wherein, an infrared emission component launches the red of two Different Slope
External signal, infrared receiver component d1-d10 receives an infrared emission component of correspondence successively and sends out
The infrared signal of two Different Slope penetrated.
As shown in figure 20, embodiments provide a kind of touch screen localization method, including:
Step 201, as shown in figure 21, within a scan period, is carried out with two groups of light paths
Scanning, and obtain actual light path block information.
In Figure 21, to carry out as a example by including two touch points, i.e. touch point 1 and touch point 2
Describe in detail.
As shown in figure 22, each bar light path during actual light path block information includes two groups of light paths is
The no parameter being blocked, in one of which is the t5 time period shown in Figure 21 and in the t6 time period
The parameter that in light path 1, whether each bar light path is blocked, is that the first actual light path blocks sub-information；
Another group is in the t5 time period shown in Figure 21 and in the t6 time period, in light path 2, each bar light path is
The no parameter being blocked is that the second actual light path blocks sub-information.
Step 202, obtain the reference path block information of each touch unit.
The reference path block information of each touch unit can be stored in display device.Such as figure
Shown in 23, wherein, touch unit a, touch unit b, touch unit c, touch unit d,
Touch unit e reference path block information such as Figure 24 institute under the scanning optical path shown in Figure 23
Show.
Step 203, the first actual light path is blocked the first reference of sub-information and each touch unit
Light path is blocked sub-information and is mated, and determines the set of first group of candidate target unit.
Contrasting for convenience and illustrate, the embodiment of the present invention is by the first actual light path block information
The parameter being blocked in (including touch point 1 and touch point 2), with touch unit a, touch
Unit b, touch unit c, touch unit d, touch unit e, the first ginseng of touch unit j
Examine the parameter being blocked in light path block information tabulating.It is the first reality as shown in figure 25
The parameter that light path block information was blocked in (including touch point 1 and touch point 2), with touch
Unit a, touch unit b, touch unit c, touch unit d, touch unit e, touch list
The parameter being blocked in the first reference path block information of unit j is tabulating.
Can obtain from the contrast of Figure 25, (include touching with the first actual light path block information
Point 1 and touch point 2) in the parameter (h1, h2, h3, h4) in a first direction that is blocked and
Second direction (d1, d2, d5, d6, d7, d8, d9, d10) all has the touch list of overlap
Unit is touch unit a, touch unit b, touch unit d, touch unit e and touch unit
J, wherein, touch unit c and the first actual light path block information (include touch point 1 and touch
Touch a little 2) in the parameter that is blocked have overlap in a first direction, but do not have in a second direction
Overlapping.Therefore, the set of first group of candidate target unit includes touch unit a, touch unit
B, touch unit d, touch unit e and touch unit j.
Step 204, the second actual light path is blocked the second reference of sub-information and each touch unit
Light path is blocked sub-information and is mated, and determines the set of second group of candidate target unit.
It is that the second actual light path block information (includes touch point 1 and touch point as shown in figure 26
2) parameter being blocked in, with touch unit a, touch unit b, touch unit c, touch
Unit d, touch unit e, touch unit j the second reference path block information in be blocked
Parameter tabulating.
Can obtain from the contrast of Figure 26, (include touching with the second actual light path block information
Point 1 and touch point 2) in the parameter (h1, h2, h3, h4) in a first direction that is blocked and
Second direction (d1, d2, d5, d6, d7, d8, d9, d10) all has the touch list of overlap
Unit is touch unit a, touch unit b, touch unit d, touch unit e and touch unit
J, wherein, touch unit c and the second actual light path block information (include touch point 1 and touch
Touch a little 2) in the parameter that is blocked have overlap in a first direction, but do not have in a second direction
Overlapping.Therefore, the set of candidate target unit includes touch unit a, touch unit b, touches
Touch unit d, touch unit e and touch unit j.
Step 205, according to the set of first group of candidate target unit and second group of candidate target list
Unit determines the set of object element.
Concrete, first group of candidate target unit includes: touch unit a, touch unit b,
Touch unit d, touch unit e and touch unit j.Second group of candidate target unit includes:
Touch unit a, touch unit b, touch unit d, touch unit e and touch unit j.
I.e. first candidate target unit and the second candidate target unit are identical, now, determine target
The set of unit includes touch unit a, touch unit b, touch unit d, touch unit e
And touch unit j.
Need exist for explanation, if the first candidate target unit and the second candidate target unit are not
With, then the set of object element can be set and second candidate's mesh of the first candidate target unit
The intersection of sets collection of mark unit or union.The collection of object element is combined into the first candidate target unit
Set and the intersection of sets collection of the second candidate target unit, the then mesh that the set of object element includes
Mark unit is few, and the object element determined is more accurate.The collection of object element is combined into first candidate's mesh
The set of mark unit and the union of sets collection of the second candidate target unit, the then set of object element
Including object element many, can avoid omit object element.
Step 206, determine Petting Area, wherein, mesh the most adjacent in the set of object element
Mark unit belongs to a Petting Area.
With reference to shown in Figure 27, in the set of object element, touch unit a, touch unit b,
Touch unit d and touch unit e are the most adjacent, determine touch unit a, touch unit b,
Touch unit d and touch unit e belong to a Petting Area, facilitate explanation to be marked as
One Petting Area.Touch unit j belongs to another Petting Area, can be i.e. the second Petting Area.
Step 207, determine the central point of Petting Area.
Concrete, determine the central point of the first Petting Area be touch unit a, touch unit b,
The foursquare geometric center that touch unit d and touch unit e are formed.Second Petting Area
Central point is the geometric center of touch unit j.
Step 208, determine the position letter of touch point according to the central point of Petting Area and pre-set radius
Breath.
As shown in figure 27, pre-set radius is r, then according to central point and the pre-set radius of Petting Area
Determine that the positional information and second of the first touch point (i.e. touch point 1 shown in Figure 21) touches
The positional information of point (i.e. touch point 2 shown in Figure 21).
A kind of touch screen localization method that the embodiment of the present invention provides, within a scan period,
Being scanned with two groups of light paths, actual light path block information includes that two actual light paths block sub-letter
Breath, each actual light path blocks whether each bar light path that sub-information includes in one group of light path is blocked
Parameter；Each actual light path is blocked sub-information and blocks sub-letter with corresponding reference path respectively
Breath mates, and obtains two groups of candidate target unit, determines according to these two groups of candidate target unit
Goal set is to determine touch point, and two groups of candidate target unit can be further to object element
Screen and confirm, thus improving touch precision.
Specific embodiment two:
It is scanned with the scan mode shown in Fig. 7, i.e. one cycle T=t5+t6, sweeps for one
Retouch in the cycle, be scanned with two groups of light paths；Within the t5 time period, infrared emission component H1-H6
Opening successively, wherein, an infrared emission component launches the infrared signal (figure of two Different Slope
In 7, light path 1 is the infrared signal of a slope, and light path 2 is the infrared signal of another slope),
Two of the infrared emission component transmitting that infrared receiver component h1-h6 receives correspondence successively red
Emission signal；Fig. 7 (b) showed within the t6 time period, infrared emission component D1-D10
Opening successively, wherein, an infrared emission component launches the infrared signal of two different angles,
Infrared receiver component d1-d10 receives two of an infrared emission component transmitting of correspondence successively
Infrared emission signal.
As shown in figure 28, another kind of touch screen localization method, bag are embodiments provided
Include:
Step 301, as shown in figure 21, within a scan period, is carried out with two groups of light paths
Scanning, and obtain actual light path block information.
As shown in figure 29, infrared emission component in actual light path block information includes a cycle
Open the labelling whether infrared signal of transmitting is blocked successively.
Step 302, obtain the reference path block information of each touch unit.Each touch unit
Reference path block information can be stored in display device.
Wherein, touch unit a, touch unit b, touch unit c, touch unit d, touch
Unit e reference path block information under the scanning optical path shown in Figure 23 is as shown in figure 30.
Step 303, reference path according to actual light path block information and each touch unit are blocked
Information, determines the set of object element.
Contrast for convenience and illustrate, by the parameter that is blocked in actual light path block information with touch
Touch unit a, touch unit b, touch unit c, touch unit d, touch unit e, touch
The parameter being blocked in the reference path block information of unit j is tabulating, as shown in figure 31.
Can obtain from the contrast of Figure 31, the parameter being blocked in actual light path block information with
Touch unit a, touch unit b, touch unit d, touch unit e, the ginseng of touch unit j
Examine the parameter being blocked in light path block information and the most all have overlap.
The reference path of the parameter being blocked in actual light path block information and touch unit c blocks letter
The parameter being blocked in breath has overlap in a first direction, but does not has overlap in a second direction.
Therefore, the set of object element include touch unit a, touch unit b, touch unit d,
Touch unit e and touch unit j.
Step 304, set according to object element determine the positional information of touch point.Wherein,
Step 304 is specifically referred to above-mentioned steps 206-step 208, here repeats no more.
The embodiment of the present invention provides a kind of touch screen localization method, within a scan period, with
Two groups of light paths are scanned, and actual light path block information and reference path block information are carried out
Joining, obtain the set of object element, owing to being scanned with two groups of light paths, actual light path hides
Gear information includes organizing the information that under light path, whether actual light path is blocked more, thus actual light path hides
Gear information is more with the contrast of reference path block information, such that it is able to object element
Determine more fine, and then improve touch precision.
Embodiments provide a kind of touch screen positioner, be applied to touch-screen equipment, touch
Touch screen and be divided into multiple touch unit；As shown in figure 32, described positioner 100 includes:
First acquiring unit 101, within a scan period, sweeps with M group light path
Retouch, obtain actual light path block information；Wherein, one group of light path includes: first direction a plurality of
Parallel light path, a plurality of parallel light path of second direction；Actual light path block information includes: M group
The parameter whether each bar light path in light path is blocked, wherein, first direction is handed over second direction
Fork, M is the positive integer more than or equal to 1.Preferably, M is more than or equal to 2.
Second acquisition unit 102, for obtaining the reference path block information of each touch unit；
Wherein, the reference path block information of touch unit includes: if touch unit is as touch point,
And to scan with the same optical path of actual light path block information, then each bar light path obtained whether by
The parameter blocked.
First determines unit 103, for according to actual light path block information and each touch unit
Reference path block information, determines the set of object element；Object element is that reference path is blocked
The parameter that the parameter that in information, light path is blocked is blocked with light path in actual light path block information
The touch unit of overlap is all had on first direction in least one set light path and second direction.
Second determines unit 104, for determining the position of touch point according to the set of object element
Information.
Embodiments provide a kind of touch positioning device, in this programme, by touching
Touch screen and be divided into multiple touch unit, the reference path block information of each touch unit is stored
At display device.When touch screen is when being touched, obtain actual light path block information, due to
Touch point covers touch unit, then the touch unit part light path that touched point covers is blocked
Light path parameter is identical, then with the parameter being blocked in the reference path block information of this touch unit
By the reference path block information of actual light path block information Yu each touch unit being carried out
Join the object element that i.e. may determine that in touch unit i.e. the application that touch point covers, then pass through
Object element determines the positional information of touch point.The touch screen location side that the embodiment of the present invention provides
Method is entirely different with conventional mapping methods, and it is by by the reference path block information of touch unit
Store, and mate, to obtain touch point pair with the actual light path block information obtained
The touch unit answered, obtains the positional information of touch point in this approach, and its light reticular density is without too
Greatly, and without carrying out traditional algorithm, its localization method is simple, and fast response time.
Preferably, actual light path block information includes: M actual light path blocks sub-information, often
One actual light path blocks the ginseng whether each bar light path that sub-information includes in one group of light path is blocked
Number；Reference path block information includes: M blocks, with actual light path, the reference that sub-information is corresponding
Light path blocks sub-information.
First determine unit 103 specifically for, M actual light path is blocked sub-information and M
Reference path is blocked sub-information and is mated respectively, determines the collection of M group candidate target unit
Close；Candidate target unit be an actual light path block parameter that in sub-information, light path is blocked with
One reference path blocks parameter that in sub-information, light path is blocked in a first direction and second party
The most all there is the touch unit of overlap.
As shown in figure 33, positioner 100 also includes:
3rd determines unit 105, for determining target according to the set of M group candidate target unit
The set of unit.
Optionally, as shown in figure 34, second determines that unit 104 specifically includes:
First determines module 1041, for by target the most adjacent in the set of object element
Unit is defined as a Petting Area.
Second determines module 1042, for determining the central point of Petting Area.
3rd determines module 1043, for determining according to central point and the pre-set radius of Petting Area
The positional information of touch point.Or,
As shown in figure 35, second determines that unit 104 specifically includes:
4th determines module 1044, for by target the most adjacent in the set of object element
Unit is defined as a Petting Area.
5th determines module 1045, for determining the central point on each limit of Petting Area.
6th determines module 1046, and the central point for each limit according to Petting Area determines touch
The positional information of point.Or,
As shown in figure 36, second determines that unit 104 specifically includes:
7th determines module 1047, for by target the most adjacent in the set of object element
Unit is defined as a Petting Area.
8th determines module 1048, for determining central point and the area of Petting Area.
9th determines module 1049, for determining touch radius according to the area of Petting Area.
Tenth determines module 10410, determines for the central point according to Petting Area and touch radius
The positional information of touch point.
Embodiments provide a kind of touch-screen equipment 200, as shown in figure 37, including:
Memorizer 201, is used for storing batch processing code.
Processor 202, for the batch processing code according to memorizer storage, performs the present invention
The touch screen localization method enumerated in embodiment.
It should be noted that part functional module in the touch-screen equipment of embodiment of the present invention offer
Specifically describing the corresponding content being referred in the inventive method embodiment, the present embodiment is the most not
It is described in detail again.
A kind of touch-screen equipment that the embodiment of the present invention provides, by being divided into multiple touching by touch screen
Touch unit, the reference path block information of each touch unit is stored in display device.When touching
Touch and shield when being touched, obtain actual light path block information, touch list owing to touch point covers
Unit, then touched point covers the light path parameter that is blocked of touch unit part light path and this touch
The parameter being blocked in the reference path block information of unit is identical, then by actual light path being hidden
Gear information carries out mating with the reference path block information of each touch unit and i.e. may determine that touch
Object element in touch unit i.e. the application that point covers, then determine touch by object element
The positional information of point.The touch screen localization method of embodiment of the present invention offer and conventional mapping methods
Entirely different, it is by storing the reference path block information of touch unit, and with obtain
The actual light path block information taken mates, the touch unit corresponding to obtain touch point, with
The method obtains the positional information of touch point, and its light reticular density is without too big, and without passing
System algorithm, its localization method is simple, and fast response time.
Through the above description of the embodiments, those skilled in the art can be clearly
Solution arrives, and for convenience and simplicity of description, only carries out illustrating with the division of above-mentioned each functional module
Bright, in actual application, can as desired above-mentioned functions be distributed by different functional modules
Complete, the internal structure of device will be divided into different functional modules, to complete above description
All or part of function.The specific works process of the system of foregoing description, device and unit,
It is referred to the corresponding process in preceding method embodiment, does not repeats them here.
In several embodiments provided herein, it should be understood that disclosed system,
Apparatus and method, can realize by another way.Such as, device described above is real
Executing example is only that schematically such as, described module or the division of unit, the most only one are patrolled
Volume function divides, and actual can have other dividing mode, the most multiple unit or group when realizing
Part can in conjunction with or be desirably integrated into another system, or some features can be ignored, or not
Perform.Another point, shown or discussed coupling each other or direct-coupling or communication link
Connecing can be the INDIRECT COUPLING by some interfaces, device or unit or communication connection, Ke Yishi
Electrically, machinery or other form.
The described unit that illustrates as separating component can be or may not be and physically divide
Opening, the parts shown as unit can be or may not be physical location, the most permissible
It is positioned at a place, or can also be distributed on multiple NE.Can be according to reality
Need to select some or all of unit therein to realize the purpose of the present embodiment scheme.
It addition, each functional unit in each embodiment of the present invention can be integrated in a process
In unit, it is also possible to be that unit is individually physically present, it is also possible to two or more are single
Unit is integrated in a unit.Above-mentioned integrated unit both can realize to use the form of hardware,
The form that can also use SFU software functional unit realizes.
If described integrated unit realizes and as independent using the form of SFU software functional unit
When production marketing or use, can be stored in a computer read/write memory medium.Based on
Such understanding, prior art is contributed by technical scheme the most in other words
Part or completely or partially can the embodying with the form of software product of this technical scheme,
This computer software product is stored in a storage medium, including some instructions with so that one
Platform computer equipment (can be personal computer, server, or the network equipment etc.) or place
Reason device (processor) performs all or part of step of method described in each embodiment of the present invention.
And aforesaid storage medium includes: USB flash disk, portable hard drive, read only memory (ROM,
Read-Only Memory), random access memory (RAM, Random Access
Memory), the various medium that can store program code such as magnetic disc or CD.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is also
Being not limited to this, any those familiar with the art is at the technology model that the invention discloses
In enclosing, change can be readily occurred in or replace, all should contain within protection scope of the present invention.
Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.
Claims (10)
1. a touch screen localization method, is applied to touch-screen equipment, it is characterised in that described tactile
Touch screen and be divided into multiple touch unit；Described method includes:
Within a scan period, it is scanned with M group light path, and obtains actual light path and block
Information；Wherein, light path described in a group includes: a plurality of parallel light path of first direction, second party
To a plurality of parallel light path；Described actual light path block information includes: each bar in M group light path
The parameter whether light path is blocked, wherein, described first direction intersects with described second direction,
M is the positive integer more than or equal to 1；
Obtain the reference path block information of each touch unit；Wherein, the ginseng of described touch unit
Examine light path block information to include: if described touch unit is as touch point, and with described reality
The same optical path scanning of light path block information, then the parameter whether each bar light path obtained is blocked；
According to actual light path block information and the reference path block information of described each touch unit,
Determine the set of object element；Described object element is: light path quilt in reference path block information
The parameter that the parameter blocked is blocked with light path in described actual light path block information, at least one
Organize the touch unit all having overlap in the first direction in light path and second direction；
Set according to described object element determines the positional information of touch point.
Localization method the most according to claim 1, it is characterised in that M is more than or equal to
2。
Localization method the most according to claim 2, it is characterised in that described actual light path
Block information includes；M actual light path blocks sub-information, and each described actual light path blocks son
Information includes the parameter whether each bar light path in one group of light path is blocked；Described reference path hides
Gear information includes: M the reference path blocking sub-information corresponding with described actual light path blocks son
Information；
The described reference path according to actual light path block information and described each touch unit blocks letter
Breath, determines that the set of object element includes:
Described M actual light path is blocked sub-information and blocks sub-information with described M reference path
Mate respectively, determine the set of M group candidate target unit；Described candidate target unit
For: an actual light path is blocked the parameter that in sub-information, light path is blocked and is hidden with a reference path
The parameter that in blind information, light path is blocked, the most all has overlap
Touch unit；
Set according to described M group candidate target unit determines the set of object element.
Localization method the most according to claim 1, it is characterised in that described in described basis
The set of object element determines that the positional information of touch point specifically includes:
Object element the most adjacent in the set of described object element is defined as a touch
District；
Determine the central point of described Petting Area；
Central point according to described Petting Area and pre-set radius determine the positional information of touch point；Or
Person,
Object element the most adjacent in the set of described object element is defined as a touch
District；
Determine the central point on each limit of described Petting Area；
The central point on each limit according to described Petting Area determines the positional information of touch point；Or,
Object element the most adjacent in the set of described object element is defined as a touch
District；
Determine central point and the area of described Petting Area；
Area according to described Petting Area determines touch radius；
Central point according to described Petting Area and touch radius determine the positional information of touch point.
5. according to the localization method described in any one of claim 1-4, it is characterised in that described
Object element is: the parameter that in reference path block information, light path is blocked and described actual light path
The parameter that in block information, light path is blocked, the first direction in M group light path and second direction
On all have overlap touch unit.
6. a touch screen positioner, is applied to touch-screen equipment, it is characterised in that described tactile
Touch screen and be divided into multiple touch unit；Described positioner includes:
First acquiring unit, within a scan period, is scanned with M group light path,
Obtain actual light path block information；Wherein, light path described in a group includes: first direction a plurality of
Parallel light path, a plurality of parallel light path of second direction；Described actual light path block information includes:
The parameter whether each bar light path in M group light path is blocked, wherein, described first direction and institute
Stating second direction to intersect, M is the positive integer more than or equal to 1；
Second acquisition unit, for obtaining the reference path block information of each touch unit；Wherein,
The reference path block information of described touch unit includes: if described touch unit is as touch point,
And scan with the same optical path with described actual light path block information, then each bar light path obtained is
The no parameter being blocked；
First determines unit, for according to actual light path block information and described each touch unit
Reference path block information, determines the set of object element；Described object element is: reference light
The parameter that in the block information of road, light path is blocked is hidden with light path in described actual light path block information
Touching of overlap is all had in the parameter of gear, first direction in least one set light path and second direction
Touch unit；
Second determines unit, for determining the position of touch point according to the set of described object element
Information.
Positioner the most according to claim 6, it is characterised in that M is more than or equal to
2。
Positioner the most according to claim 7, it is characterised in that described actual light path
Block information includes: M actual light path blocks sub-information, and each described actual light path blocks son
Information includes the parameter whether each bar light path in one group of light path is blocked；Described reference path hides
Gear information includes: M the reference path blocking sub-information corresponding with described actual light path blocks son
Information；
Described first determine unit specifically for, described M actual light path is blocked sub-information with
Described M reference path is blocked sub-information and is mated respectively, determines M group candidate target list
The set of unit；Described candidate target unit is: an actual light path blocks light path quilt in sub-information
The parameter blocked blocks, with a reference path, the parameter that in sub-information, light path is blocked, first
Direction and second direction all have the touch unit of overlap；
Described positioner also includes:
3rd determines unit, for determining target according to the set of described M group candidate target unit
The set of unit.
Positioner the most according to claim 6, it is characterised in that described second determines
Unit specifically includes:
First determines module, for by target list the most adjacent in the set of described object element
Unit is defined as a Petting Area；
Second determines module, for determining the central point of described Petting Area；
3rd determines module, for determining tactile according to central point and the pre-set radius of described Petting Area
Touch positional information a little；Or,
4th determines module, for by target list the most adjacent in the set of described object element
Unit is defined as a Petting Area；
5th determines module, for determining the central point on each limit of described Petting Area；
6th determines module, and the central point for each limit according to described Petting Area determines touch point
Positional information；Or,
7th determines module, for by target list the most adjacent in the set of described object element
Unit is defined as a Petting Area；
8th determines module, for determining central point and the area of described Petting Area；
9th determines module, for determining touch radius according to the area of described Petting Area；
Tenth determines module, determines tactile for the central point according to described Petting Area and touch radius
Touch positional information a little.
10. a touch-screen equipment, it is characterised in that including:
Memorizer, is used for storing batch processing code；
Processor, for the batch processing code stored according to described memorizer, performs right and wants
Ask 1) touch screen localization method according to any one of 5.
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Cited By (2)
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| CN107728860A (en) * | 2017-10-19 | 2018-02-23 | 青岛海信电器股份有限公司 | A kind of touch points of infrared touch screen recognition methods, device and touch-screen equipment |
| CN111475060A (en) * | 2020-06-01 | 2020-07-31 | 青岛海信商用显示股份有限公司 | Touch identification method and device |
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| CN111475060B (en) * | 2020-06-01 | 2023-10-27 | 青岛海信商用显示股份有限公司 | Touch identification method and device |
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| CN106293261B (en) | 2019-07-12 |
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