CN106293261B - 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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Abstract
The present invention provides a kind of touch screen localization method, device and touch-screen equipments, are related to technical field of touch control, and when solving the positioning of existing touch screen, response speed is slow, are easy the problem of losing point, broken string.A kind of touch screen localization method, is applied to touch-screen equipment, and the touch screen is divided into multiple touch units；Method includes: to be scanned within a scan period with M group optical path, and obtain practical optical path block information；Obtain the reference path block information of each touch unit；According to the reference path block information of practical optical path block information and each touch unit, the set of object element is determined；The location information of touch point is determined according to the set of object element.Detection for touch screen.
Description
Technical field
The present invention relates to technical field of touch control more particularly to a kind of touch screen localization methods, device and touch-screen equipment.
Background technique
Nowadays, touch display screen is widely used to the various aspects of social life.Touch display screen only needs user by hand
Refer to that icon or text on touching display screen can be achieved with operating, keeps human-computer interaction more simple and direct.According to the work of touch screen
Make principle and transmit the medium of information, touch screen is generally divided into four kinds, respectively resistance-type, capacitor induction type, infrared-type with
And surface acoustic wave type.Wherein, infrared touch panel is suitable for severe environmental conditions, is touch screen not by electric current, voltage and electrostatic interference
The development trend of product.
As shown in Figure 1, being a kind of existing infrared touching screen structure schematic diagram, which includes transparent panel, infrared
Radiated element 21 and infrared receiver component 22.Wherein, transparent panel is in rectangle, including the first opposite side 11 and third side 13,
And opposite second side 13 and the 4th side 14.Wherein, multiple infrared emission members are provided on the first side 11 and second side 12
Part 21 is provided with and the one-to-one infrared receiver component 22 of infrared emission component 21 on third side 13 and the 4th side 14.Its
Touch the principle of positioning are as follows: the infrared emission component 21 on the first side 11 being disposed adjacent and second side 12 issues infrared signal shape
At light net, when a finger is touching the screen, finger will block the infrared signal by the position at touch location, thus corresponding
Infrared receiver component do not receive infrared signal, processor according to this at positioning touch point in the position of screen.
Existing infrared touch panel is in rectangle, and conventional red outside line location algorithm just sweeps the light that is blocked in direction according to long short side
Road is orthogonal to obtain touch point, therefore can work normally when single-touch；When multiple point touching, the orthogonal points found out are more than true
The points of contact need to carry out true and false point judgement (referred to as removing terrible point), and otherwise system can malfunction.Since traditional algorithm is base
Carry out what true point identification was eliminated with false point in optical path space mathematical operation and mathematics logical operation, big, logic that there are operands
The problems such as complicated, when being embodied in number of contacts increase, response speed is obviously slack-off, is easy to lose point, broken string etc., seriously affect
User's impression.
It is general in the prior art to be solved the above problems using hardware is promoted, but the room for promotion of processor performance is limited,
Relying solely on promotion hardware cannot fundamentally solve the problems, such as that its operand is big.
Summary of the invention
The embodiment of the present invention provides a kind of touch screen localization method, device and touch-screen equipment, provides a kind of more simple
Just localization method can accurately realize multipoint positioning without a large amount of operations.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that
On the one hand, the embodiment of the invention provides a kind of touch screen localization methods, are applied to touch-screen equipment, the touch screen
It is divided into multiple touch units；The described method includes:
It within a scan period, is scanned with M group optical path, and obtains practical optical path block information；Wherein, one group of institute
State a plurality of parallel light path that optical path includes: first direction, a plurality of parallel light path of second direction；The practical optical path block information
It include: the parameter whether each optical path in M group optical path is blocked, wherein the first direction intersects with the 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 reference path block information of the touch unit
If including: the touch unit as touch point, and to be scanned with the same optical path of the practical optical path block information, then obtain
The parameter that whether is blocked of each optical path；
According to the reference path block information of practical optical path block information and each touch unit, object element is determined
Set；The object element are as follows: the parameter and the practical optical path block information that optical path is blocked in reference path block information
The parameter that middle optical path is blocked, at least one set of optical path first direction and second direction on have the touch unit of overlapping；
The location information of touch point is determined according to the set of the object element.
On the other hand, the embodiment of the invention provides a kind of touch screen positioning devices, are applied to touch-screen equipment, the touch
Screen is divided into multiple touch units；The positioning device includes:
First acquisition unit is obtained practical optical path and blocked for being scanned within a scan period with M group optical path
Information；Wherein, optical path described in one group includes: a plurality of parallel light path of first direction, a plurality of parallel light path of second direction；It is described
Practical optical path block information includes: the parameter whether each optical path in M group optical path is blocked, wherein the first direction with
The second direction is intersected, and 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 touch unit
If reference path block information includes: the touch unit as touch point, and with the phase with the practical optical path block information
Same light path scanning, the then the parameter whether each optical path obtained is blocked；
First determination unit, for blocking letter according to the reference path of practical optical path block information and each touch unit
Breath, determines the set of object element；The object element are as follows: the parameter that optical path is blocked in reference path block information with it is described
The parameter that optical path is blocked in practical optical path block information, at least one set of optical path first direction and second direction on have
The touch unit of overlapping；
Second determination unit determines the location information of touch point for the set according to the object element.
In another aspect, the embodiment of the invention provides a kind of touch-screen equipments, comprising:
Memory is used to store a set of program code；
Processor, the batch processing code for being stored according to the memory execute provided in an embodiment of the present invention
Touch screen localization method described in one.
The embodiment of the present invention provides a kind of touch screen localization method, device and touch-screen equipment, by dividing touch screen
For multiple touch units, the reference path block information of each touch unit is stored in display equipment.When touch screen by
When touch, practical optical path block information is obtained, since touch point covers touch unit, then the touch unit portion that touched point covers
The optical path parameter that path-splitting is blocked and the parameter being blocked in the reference path block information of the touch unit are identical, then pass through
Practical optical path block information match with the reference path block information of each touch unit and can determine that touch point covers
Touch unit, that is, the application in object element, then determine by object element the location information of touch point.The present invention is implemented
The touch screen localization method and conventional mapping methods that example provides are entirely different, by the way that the reference path of touch unit is blocked letter
Breath is stored, and is matched with the practical optical path block information of acquisition, to obtain the corresponding touch unit in touch point, with this
Method obtains the location information of touch point, and without carrying out traditional algorithm, localization method is simple, and fast response time.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is existing touch screen structure schematic diagram；
Fig. 2 is a kind of touch screen localization method schematic diagram provided in an embodiment of the present invention；
Fig. 3 is one group of light path schematic diagram provided in an embodiment of the present invention；
Fig. 4 is the practical optical path block information in a cycle of optical path shown in Fig. 3 without obtaining when touch point；
Fig. 5 is another group of light path schematic diagram provided in an embodiment of the present invention；
Fig. 6 is the practical optical path block information in a cycle provided in an embodiment of the present invention without obtaining when touch point；
Fig. 7 is a kind of two groups of light path schematic diagrams provided in an embodiment of the present invention；
Fig. 8 is the practical optical path block information in optical path next cycle shown in Fig. 7 without obtaining when touch point；
Fig. 9 is the practical optical path block information in optical path next cycle shown in Fig. 7 without obtaining when touch point；
Figure 10 is the schematic diagram that a kind of display screen provided in an embodiment of the present invention is divided into multiple touch units；
Figure 11 is provided in an embodiment of the present invention a kind of using touch unit a as the optical path of touch point scanning schematic diagram；
Figure 12 is the reference path block information of touch unit a in Figure 11；
Figure 13 is a kind of practical optical path block information under optical path shown in Fig. 3；
Figure 14 is a kind of method schematic diagram of the location information of determining touch point provided in an embodiment of the present invention；
Figure 15 is the Petting Area schematic diagram that a kind of touch unit provided in an embodiment of the present invention is formed；
Figure 16 is the method schematic diagram of another location information for determining touch point provided in an embodiment of the present invention；
Figure 17 is the Petting Area schematic diagram that another touch unit provided in an embodiment of the present invention is formed；
Figure 18 is the method schematic diagram of another location information for determining touch point provided in an embodiment of the present invention；
Figure 19 is another touch screen localization method schematic diagram provided in an embodiment of the present invention；
Figure 20 is a kind of touch screen localization method specific embodiment schematic diagram provided in an embodiment of the present invention；
Figure 21 is a kind of signal being scanned within a scan period with two groups of optical paths provided in an embodiment of the present invention
Figure；
Figure 22 is practical optical path block information shown in a kind of Figure 21 provided in an embodiment of the present invention；
Figure 23 is a kind of schematic diagram that touch unit is scanned with two groups of optical paths provided in an embodiment of the present invention；
Figure 24 is the reference path block information of touch unit shown in Figure 23；
Figure 25 is the first reference path block information shown in the first practical optical path block information shown in Figure 22 and Figure 24
Comparison table schematic diagram；
Figure 26 is the second reference path block information shown in the second practical optical path block information shown in Figure 22 and Figure 24
Comparison table schematic diagram；
Figure 27 is the location information schematic diagram of determining touch point；
Figure 28 another touch screen localization method specific embodiment schematic diagram provided in an embodiment of the present invention；
Figure 29 is the practical optical path block information obtained under optical path shown in Figure 21；
Figure 30 is the reference path block information of the touch unit obtained under optical path shown in Figure 21；
Figure 31 is the contrast table of reference path block information shown in practical optical path block information shown in Figure 29 and Figure 30
Lattice schematic diagram；
Figure 32 is a kind of touch screen positioning device schematic diagram provided in an embodiment of the present invention；
Figure 33 is another touch screen positioning device schematic diagram provided in an embodiment of the present invention；
Figure 34 is a kind of second determination unit schematic diagram provided in an embodiment of the present invention；
Figure 35 is another second determination unit schematic diagram provided in an embodiment of the present invention；
Figure 36 is another second determination unit schematic diagram provided in an embodiment of the present invention；
Figure 37 is a kind of touch-screen equipment schematic diagram provided in an embodiment of the present invention.
Appended drawing reference:
The first side 11-；12- second side；13- third side；The 4th side 14-；21- infrared emission component；22- infrared receiver member
Part.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the invention provides a kind of touch screen localization methods, are applied to touch-screen equipment, touch screen is divided into multiple
Touch unit；As shown in Fig. 2, the localization method includes:
Step 101, within a scan period, be scanned with M group optical path, and obtain practical optical path block information.
Wherein, one group of optical path includes: a plurality of parallel light path of first direction, a plurality of parallel light path of second direction；It is practical
Optical path block information includes: the parameter whether each optical path in M group optical path is blocked, wherein first direction and second direction
Intersect, M is the positive integer more than or equal to 1, i.e. can be scanned in a scan period with multiple groups optical path, then corresponding practical
Optical path block information includes the parameter that whether each optical path is blocked in multiple groups optical path.
It is illustrated in figure 3 one group of light path schematic diagram provided in an embodiment of the present invention, Fig. 3 (a) show the more of first direction
Parallel light path, within the t1 period, infrared emission component H1-H6 is successively opened, and infrared receiver component h1-h6 is successively received pair
The infrared emission signal answered；Fig. 3 (b) show a plurality of parallel light path of second direction, within the t2 period, infrared emission component
D1-D10 is successively opened, and infrared receiver component d1-d10 successively receives corresponding infrared emission signal；One of cycle T=t1
+t2.Practical optical path block information infrared receiver component h1-h6 successively received parameter i.e. within the t1 period, and in t2
Between infrared receiver component d1-d10 successively received parameter in section.The embodiment of the present invention receives infrared receiver component corresponding red
The infrared signal of outer radiated element transmitting is labeled as 1, i.e., is not blocked；Infrared receiver component is connect and does not receive corresponding infrared emission
The infrared signal of element transmitting is labeled as 0, that is, is blocked.Other not isolabelings can certainly be used, the embodiment of the present invention is not
It limits, only for above-mentioned.If in a cycle, touch screen does not receive touch, i.e., no touch point is then all infrared to connect
Receiving element can receive the infrared signal of corresponding infrared emission component transmitting, at this point, the practical optical path block information obtained
It can be 111,111 1111111111, i.e., as shown in figure 4, being emitted to for corresponding each infrared emission component in a cycle
The label whether infrared signal is blocked.
Wherein, one group of optical path can also be as shown in figure 5, Fig. 5 (a) show a plurality of parallel light path of first direction,
In the t3 period, infrared emission component H1-H6 is successively opened, and infrared receiver component h1-h6 successively receives corresponding infrared emission
Signal；Fig. 5 (b) show a plurality of parallel light path of second direction, and within the t4 period, infrared emission component D1-D10 is successively beaten
It opens, infrared receiver component d1-d10 successively receives corresponding infrared emission signal；One of cycle T=t1+t2.
Certainly, as shown in figs. 3 and 5, a scan period T can also be T=t1+t2+t3+t4.I.e. a scanning week
In phase, it is scanned with two groups of optical paths (M=2), within the t1 period, infrared emission component H1-H6 is successively opened, infrared receiver
Element h1-h6 successively receives corresponding infrared emission signal；Within the t2 period, infrared emission component D1-D10 is successively opened,
Infrared receiver component d1-d10 successively receives corresponding infrared emission signal；Within the t3 period, infrared emission component H1-H5 according to
Secondary opening, infrared receiver component h2-h6 successively receive corresponding infrared emission signal；Within the t4 period, infrared emission component
D1-D9 is successively opened, and infrared receiver component d2-d10 successively receives corresponding infrared emission signal；At this point, t1 the and t3 period
Interior optical path slope is different, and the optical path slope in t2 with the t4 period is different.At this point, if touch screen does not connect in a cycle
It is touched, i.e., no touch point, at this point, the practical optical path block information obtained can be 111,111 1,111,111,111 11111
111111111, i.e., as shown in fig. 6, for corresponding each infrared emission component in a cycle be emitted to infrared signal whether by
The label blocked.
It within a scan period, is scanned with two groups of optical paths (M=2), can also be that an infrared emission component is same
When issue two Different Slopes infrared signal, as shown in Figure 7.Fig. 7 (a) was shown within the t5 period, infrared emission component
H1-H6 is successively opened, wherein (optical path 1 is one to the infrared signal of infrared emission component two Different Slope of transmitting in Fig. 7
The infrared signal of a slope, optical path 2 are the infrared signal of another slope), infrared receiver component h1-h6 successively receives corresponding
The infrared signal of two Different Slopes of one infrared emission component transmitting；Fig. 7 (b) was shown within the t6 period, infrared hair
It penetrates element D1-D10 successively to open, wherein an infrared emission component emits the infrared signal of two Different Slopes, infrared receiver
Element d1-d10 successively receives two infrared signals of corresponding infrared emission component transmitting；One of cycle T=t5+
t6.If in a cycle, touch screen does not receive touch, i.e., no touch point, then all infrared receiver components can receive
To the infrared signal of corresponding infrared emission component transmitting, at this point, the practical optical path block information obtained can be as shown in figure 8,
For the label of infrared receiver component each in a cycle successively received infrared emission signal；It can also be as shown in figure 9, being one
The label that whether infrared signal of two Different Slopes of corresponding each infrared emission component transmitting is blocked in a period.
It should be noted that in Fig. 7 for the infrared signal of infrared emission component two Different Slope of transmitting, preferably
, an infrared emission component can emit the infrared signal of three Different Slopes.In addition, with infrared emission component transmitting H1 hair
For the optical path 1 and optical path 2 penetrated, if optical path 1 is identical as optical path 1 described in Fig. 7, optical path 2 can also be corresponding by infrared receiver
Element h3 or h4 are received.The embodiment of the present invention is not especially limited the slope of different infrared signals, is only with shown in the drawings
Example is illustrated.
As shown in figs. 3 and 5, the embodiment of the present invention is described in detail so that first direction and second direction are vertical as an example.
It is further to note that, touch screen on touch unit different to the requirement for touching precision according to display equipment
It divides different.Such as with 65 inches of touch screen for, if higher to required precision is touched, 800*600 can be divided into
Touch unit；If 400*300 touch unit can be divided into the of less demanding of precision is touched.
Step 102, the reference path block information for obtaining each touch unit.Wherein, the reference path of touch unit is blocked
If information includes: touch unit as touch point, and to scan with the same optical path of practical optical path block information, then what is obtained is each
The parameter whether optical path is blocked.
As shown in Figure 10, touch screen is divided into 5*3 touch unit.As shown in figure 11, it is with one of touch unit a
Example, the optical path of practical optical path block information are optical path as shown in Figure 3, reference path block information such as Figure 12 of touch unit a
Shown, i.e. touch unit a is as touch point, to scan with the same optical path of practical optical path block information, the then each item light obtained
The parameter whether road is blocked.As shown in Figure 11, Figure 12, when touch unit a be touch point, then it is infrared to connect within the t1 period
It receives element h3 and h4 and does not receive infrared signal, is i.e. the infrared signal that infrared emission component h3 and h4 emit is blocked, is marked
Be denoted as 0, other infrared receiver components receive infrared signal, i.e., the infrared signal of other infrared emission components transmittings not by
It blocks, is marked as 1；Within the t2 period, infrared receiver component d5 and d6 do not receive infrared signal and are marked as 0,
Other infrared receiver components receive infrared signal, are labeled as 1, the reference path of finally obtained touch unit a blocks letter
Breath is 110,011 1111001111 as shown in figure 12.
In the embodiment of the present invention, the reference path block information of each touch unit, which can be, is obtained ahead of time and is stored in display
Equipment.
Step 103, according to the reference path block information of practical optical path block information and each touch unit, determine target list
The set of member.Object element are as follows: the parameter that optical path is blocked in reference path block information and light in practical optical path block information
The parameter that road is blocked, at least one set of optical path first direction and second direction on have the touch unit of overlapping.
The ginseng that the parameter that optical path is blocked in reference path block information is blocked with optical path in practical optical path block information
There is the touch unit of overlapping on several first directions and second direction at least one set of optical path.Then according to this object element
Definition, according to the reference path block information of practical optical path block information and each touch unit, determines in the set of object element
Object element it is more, can be the object element that practical touch point covers some or all of the touch unit.
The embodiment of the present invention is preferred, and object element is the parameter and reality that optical path is blocked in reference path block information
The parameter that optical path is blocked in optical path block information in M group optical path first direction and second direction on have the touch of overlapping
Unit.The parameter that the parameter that optical path is blocked in reference path block information is blocked with optical path in practical optical path block information exists
The touch unit for having overlapping on first direction and second direction in M group optical path must be that the touch list is completely covered in touch point
Member.According to the definition of this object element, object element is less in the set of determining object element, has further reduced touch model
It encloses, it is higher to touch precision.
Exemplary, the optical path of practical optical path block information is optical path as shown in Figure 3, practical optical path block information such as Figure 13
It is shown, it is 110,000 1111001111, i.e. the infrared signal of infrared emission component h3, h4, h5, h6, d5 and d6 transmitting is hidden
Gear.The reference path block information of touch unit a is as shown in figure 12, is 110,011 1111001111, i.e. infrared receiver component
The infrared signal of h3, h4, d5 and d6 transmitting is blocked.Then optical path is blocked in practical optical path block information parameter and touch
The parameter that optical path is blocked in the reference path block information of unit a is in a first direction (in the t1 period) and second direction (t2
In period) on have overlapping, then touch unit a be object element.
It certainly, is only exemplary to list practical optical path block information and the reference path of touch unit a blocks letter above
Breath, specifically can determine that multiple object elements are the set of object element according to a practical optical path block information, this
Invention will enumerate a specific embodiment later and be described in detail.
Step 104, the location information that touch point is determined according to the set of object element.
The embodiment of the invention provides a kind of touch screen localization methods, in the present solution, more by the way that touch screen to be divided into
The reference path block information of each touch unit is stored in display equipment, wherein reference path blocks letter by a touch unit
Breath is touch unit as touch point, and to scan with the same optical path of practical optical path block information, each obtained optical path is
The no parameter being blocked.When touch screen is when being touched, the practical optical path block information of acquisition touches list since touch point covers
Member, then the optical path parameter and the reference path of the touch unit that the touch unit part optical path of touched point covering is blocked are blocked
The parameter being blocked in information is identical, then by by the reference path block information of practical optical path block information and each touch unit
Object element in touch unit i.e. the application of touch point covering can be determined by carrying out matching, wherein object element is
The parameter that the parameter that optical path is blocked in reference path block information is blocked with optical path in practical optical path block information is at least
There is the touch unit of overlapping on first direction and second direction in one group of optical path, then touch point is determined by object element
Location information.Touch screen localization method and conventional mapping methods provided in an embodiment of the present invention are entirely different, by that will touch
The reference path block information of unit is stored, and is matched with the practical optical path block information of acquisition, to be touched
The corresponding touch unit of point, obtains the location information of touch point in this approach, and without carrying out traditional algorithm, localization method is simple,
And fast response time.
Determine that the location information of touch point can be there are many different modes according to the set of object element, the embodiment of the present invention
By it is following it is several for be illustrated.
Exemplary, as shown in figure 14, step 104 specifically includes:
Step a1, Petting Area is determined, wherein object element successively adjacent belongs to a touch in the set of object element
Area.
As shown in figure 15, touch unit a, b, c, d, e, f, g, h, k is successively adjacent, then it belongs to a Petting Area；It touches
Unit j is non-conterminous with it, and touch unit j belongs to another Petting Area.
Step b1, the central point of Petting Area is determined.
As shown in figure 15, the central point for the Petting Area that touch unit a, b, c, d, e, f, g, h, k is formed is touch unit e
Center.The touch point for another Petting Area that touch unit j is formed is the center of touch unit j.Certainly, multiple touches are single
The Petting Area that member is formed can also be irregular shape, and central point can be geometric center.In the embodiment of the present invention with
Central point be geometric center for be illustrated.
Step c1, the location information of touch point is determined according to the central point of Petting Area and pre-set radius.
Such as pre-set radius can be equal to the radius of the inscribed circle of a touch unit or equal to touch unit
The radius of circumscribed circle can also be as shown in figure 15, the radius of preset any size, according to the center of Petting Area and default half
Diameter determines the location information of touch point.
Exemplary, as shown in figure 16, step 104 specifically includes:
Step a2, Petting Area is determined, wherein object element successively adjacent belongs to a touch in the set of object element
Area.Specifically be referred to above-mentioned steps a1, determining Petting Area can be as shown in figure 17, including touch unit a, b, c, e, f,
h、k。
Step b2, the central point on each side of Petting Area is determined.
As shown in figure 17, the central point on each side is respectively point r, s, m, n.
Step c2, the location information of touch point is determined according to the central point on each side of Petting Area.
Specifically, according to Petting Area it is each while central point determine touch point location information can be according to it is each while center
The line of point determines the location information of touch point, such as can be and determine a target pattern according to the central point in each side, such as
Shown in Figure 17, target pattern is that point r, s, m, n are sequentially connected the pattern to be formed, and the location information of the target pattern is touch point
Location information.It can also be and a target pattern is determined according to the central point in each side, further according to the center of the target pattern
Point and pre-set radius determine the location information of touch point, i.e., touch point as shown in figure 17.
Alternatively, determining a target pattern according to the central point in each side, the inscribed circle of the target pattern is determined to touch
The location information of point.
Certainly, the specific embodiment of step c2 is also not limited to above two, and the embodiment of the present invention is only with above two
It is illustrated for mode.
Exemplary, as shown in figure 18, step 104 specifically includes:
Step a3, Petting Area is determined, wherein object element successively adjacent belongs to a touch in the set of object element
Area.Specifically it is referred to above-mentioned steps a1.
Step b3, the central point and area of Petting Area are determined.
The center of specific Petting Area can be geometric center, and the area of Petting Area can be each target list in the Petting Area
The sum of the area of member.
Step c3, it is determined according to the area of Petting Area and touches radius.
It can be the mapping for presetting area and touching radius specifically, determining according to the area of Petting Area and touching radius
Relationship graph searches mapping relations chart according to the area of Petting Area and obtains preset touch radius.
Step d3, the location information of touch point is determined according to the central point of Petting Area and touch radius.
Preferably, M is greater than or equal to 2.I.e. within a scan period, it is scanned at least two groups optical path；It is then practical
Optical path block information includes the parameter whether each optical path at least two groups optical path is blocked.
Specifically, by taking M is equal to 2 as an example.Within a scan period, being scanned with two groups of optical paths be can be such as Fig. 3, figure
Mode shown in 5 is scanned, T=t1+t2+t3+t4, i.e., is scanned with two groups of optical paths；It can also be side as shown in Figure 7
Formula is scanned T=t5+t6.It in one scan period, is scanned with multiple groups optical path, is swept relative to one group of optical path
It retouches, the accuracy of the location information of obtained touch point is higher, is particularly suitable for multiple point touching, removes terrible point without existing complexity
Operation.And in a scan period, it is scanned with getting over multiple groups optical path, the accuracy of the location information of obtained touch point is got over
Height, but its treatment process is relatively long, then localization method provided in an embodiment of the present invention, it is preferred that in a scan period,
It is scanned with three groups of optical paths.
Preferably, in the case where M is greater than or equal to 2, practical optical path block information includes: that M practical optical path blocks son
Information, it includes the parameter whether each optical path in one group of optical path is blocked that each practical optical path, which blocks sub-information,；Reference path
Block information, which includes: M, to be blocked the corresponding reference path of sub-information with practical optical path and blocks sub-information.In the case, this hair
A kind of touch screen localization method that bright embodiment provides, as shown in figure 19, above-mentioned steps 103 specifically include:
It M practical optical path is blocked into sub-information blocks sub-information with M reference path and match respectively, determine M group
The set of candidate target unit；Candidate target unit is that a practical optical path blocks the parameter and one that optical path in sub-information is blocked
A reference path blocks the touch list that the parameter that optical path in sub-information is blocked has overlapping in the first direction and a second direction
Member.
The method also includes: step 105, the set that object element is determined according to the set of M group candidate target unit.
Method as shown in figure 19 is further examined by set of the different groups of candidate target units to object element
It tests and screens, determine the accuracy of the set of object element.In multiple point touching, this method can be also used for removing terrible point, mention
The accuracy of high multiple point touching.
In the following, the embodiment of the present invention will enumerate two specific embodiments to illustrate localization method provided by the invention.
Specific embodiment one:
It is scanned with scanning mode shown in Fig. 7, i.e. a cycle T=t5+t6, in a scan period, with two groups
Optical path is scanned；Within the t5 period, infrared emission component H1-H6 is successively opened, wherein an infrared emission component transmitting
(optical path 1 is the infrared signal of a slope to the infrared signal of two Different Slopes in Fig. 7, and optical path 2 is the infrared of another slope
Signal), infrared receiver component h1-h6 successively receives the infrared of two Different Slopes of corresponding infrared emission component transmitting
Signal；Fig. 7 (b) was shown within the t6 period, and infrared emission component D1-D10 is successively opened, wherein an infrared emission member
Part emits the infrared signal of two Different Slopes, and infrared receiver component d1-d10 successively receives a corresponding infrared emission component
The infrared signal of two Different Slopes of transmitting.
As shown in figure 20, the embodiment of the invention provides a kind of touch screen localization methods, comprising:
Step 201, as shown in figure 21, within a scan period, be scanned with two groups of optical paths, and obtain practical optical path
Block information.
In Figure 21, to include two touch points, i.e., it is described in detail for touch point 1 and touch point 2.
As shown in figure 22, practical optical path block information includes the parameter whether each optical path in two groups of optical paths is blocked,
Wherein one group is the parameter whether being blocked in the t5 period shown in Figure 21 with each optical path in optical path 1 in the t6 period, is
First practical optical path blocks sub-information；Another group is each item light in optical path 2 in the t5 period shown in Figure 21 and in the t6 period
The parameter whether road is blocked is that the second practical optical path blocks sub-information.
Step 202, the reference path block information for obtaining each touch unit.
The reference path block information of each touch unit can be stored in display equipment.As shown in figure 23, wherein touching
Touch the reference light of unit a, touch unit b, touch unit c, touch unit d, touch unit e under scanning optical path shown in Figure 23
Road block information is as shown in figure 24.
Step 203, the first reference path that the first practical optical path is blocked to sub-information and each touch unit block sub-information
It is matched, determines the set of first group of candidate target unit.
In order to facilitate comparing and illustrate, the embodiment of the present invention is by the first practical optical path block information (including touch point 1 and touching
Touch a little 2) in the parameter that is blocked, with touch unit a, touch unit b, touch unit c, touch unit d, touch unit e, touch
The parameter being blocked in the first reference path block information of unit j is tabulating.It is hidden as shown in figure 25 for the first practical optical path
The parameter being blocked in gear information (including touch point 1 and touch point 2), with touch unit a, touch unit b, touch unit c, touching
It is tabulating to touch the parameter being blocked in the first reference path block information of unit d, touch unit e, touch unit j.
Comparison from Figure 25 is available, with quilt in the first practical optical path block information (including touch point 1 and touch point 2)
(h1, h2, h3, h4) and second direction (d1, d2, d5, d6, d7, d8, d9, d10) have overlapping to the parameter blocked in a first direction
Touch unit be touch unit a, touch unit b, touch unit d, touch unit e and touch unit j, wherein touch single
The parameter being blocked in the practical optical path block information of first c and first (including touch point 1 and touch point 2) has weight in a first direction
It is folded, but be not overlapped in a second direction.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 reference path that the second practical optical path is blocked to sub-information and each touch unit block sub-information
It is matched, determines the set of second group of candidate target unit.
It is as shown in figure 26 the parameter being blocked in the second practical optical path block information (including touch point 1 and touch point 2),
It is hidden with the second reference path of touch unit a, touch unit b, touch unit c, touch unit d, touch unit e, touch unit j
The parameter being blocked in gear information is tabulating.
Comparison from Figure 26 is available, with quilt in the second practical optical path block information (including touch point 1 and touch point 2)
(h1, h2, h3, h4) and second direction (d1, d2, d5, d6, d7, d8, d9, d10) have overlapping to the parameter blocked in a first direction
Touch unit be touch unit a, touch unit b, touch unit d, touch unit e and touch unit j, wherein touch single
The parameter being blocked in the practical optical path block information of first c and second (including touch point 1 and touch point 2) has weight in a first direction
It is folded, but be not overlapped in a second direction.Therefore, the set of candidate target unit includes touch unit a, touch unit b, touches
Unit d, touch unit e and touch unit j.
Step 205 determines object element according to the set and second group of candidate target unit of first group of candidate target unit
Set.
Specifically, 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.That is the first candidate target unit and the second candidate target unit are identical, at this point, determining object element
Set include touch unit a, touch unit b, touch unit d, touch unit e and touch unit j.
What needs to be explained here is that if the first candidate target unit and the second candidate target unit are different, object element
Set can be the first candidate target unit set and the second candidate target unit intersection of sets collection or union.Target list
The collection of member is combined into the set of the first candidate target unit and the intersection of sets collection of the second candidate target unit, then the collection of object element
The object element that conjunction includes is few, and determining object element is more accurate.The collection of object element is combined into the first candidate target unit
The union of sets collection of set and the second candidate target unit, then the object element that the set of object element includes is more, can be to avoid
Omit object element.
Step 206 determines Petting Area, wherein object element successively adjacent belongs to a touching in the set of object element
Touch area.
Referring to shown in Figure 27, in the set of object element, touch unit a, touch unit b, touch unit d and touch are single
First e is successively adjacent, determines that touch unit a, touch unit b, touch unit d and touch unit e belong to a Petting Area, convenient
Illustrate to be marked as the first Petting Area.Touch unit j belongs to another Petting Area, it can is the second Petting Area.
Step 207, the central point for determining Petting Area.
Specifically, the central point for determining the first Petting Area is touch unit a, touch unit b, touch unit d and touching
Touch the geometric center of the square of unit e formation.The central point of second Petting Area is the geometric center of touch unit j.
Step 208, the location information that touch point is determined according to the central point and pre-set radius of Petting Area.
As shown in figure 27, pre-set radius r then determines the first touch point according to the central point of Petting Area and pre-set radius
The location information of the location information of (i.e. touch point 1 shown in Figure 21) and the second touch point (i.e. touch point 2 shown in Figure 21).
A kind of touch screen localization method provided in an embodiment of the present invention is carried out within a scan period with two groups of optical paths
Scanning, practical optical path block information include that two practical optical paths block sub-information, and it includes one that each practical optical path, which blocks sub-information,
The parameter whether each optical path in group optical path is blocked；By each practical optical path block sub-information respectively with corresponding reference light
Road is blocked sub-information and is matched, and two groups of candidate target units are obtained, and determines target collection according to two groups of candidate target units
To determine touch point, and two groups of candidate target units further can be screened and be confirmed to object element, to improve touching
Touch precision.
Specific embodiment two:
It is scanned with scanning mode shown in Fig. 7, i.e. a cycle T=t5+t6, in a scan period, with two groups
Optical path is scanned；Within the t5 period, infrared emission component H1-H6 is successively opened, wherein an infrared emission component transmitting
(optical path 1 is the infrared signal of a slope to the infrared signal of two Different Slopes in Fig. 7, and optical path 2 is the infrared of another slope
Signal), infrared receiver component h1-h6 successively receives two infrared emission signals of corresponding infrared emission component transmitting；
Fig. 7 (b) was shown within the t6 period, and infrared emission component D1-D10 is successively opened, wherein an infrared emission component transmitting
The infrared signal of two different angles, infrared receiver component d1-d10 successively receive corresponding infrared emission component transmitting
Two infrared emission signals.
As shown in figure 28, the embodiment of the invention provides another touch screen localization methods, comprising:
Step 301, as shown in figure 21, within a scan period, be scanned with two groups of optical paths, and obtain practical optical path
Block information.
As shown in figure 29, practical optical path block information include in a cycle infrared emission component successively open the red of transmitting
The label whether external signal is blocked.
Step 302, the reference path block information for obtaining each touch unit.The reference path block information of each touch unit
It can be stored in display equipment.
Wherein, touch unit a, touch unit b, touch unit c, touch unit d, touch unit e are swept shown in Figure 23
The reference path block information retouched under optical path is as shown in figure 30.
Step 303, according to the reference path block information of practical optical path block information and each touch unit, determine target list
The set of member.
In order to facilitate comparing and illustrating, by the parameter being blocked in practical optical path block information and touch unit a, list is touched
First b, touch unit c, touch unit d, touch unit e, touch unit j reference path block information in be blocked parameter column
At table, as shown in figure 31.
Comparison from Figure 31 is available, the parameter being blocked in practical optical path block information and touch unit a, touches list
First b, touch unit d, touch unit e, touch unit j reference path block information in the parameter that is blocked in a first direction and
There is overlapping in second direction.The reference path of the parameter and touch unit c that are blocked in practical optical path block information blocks letter
The parameter being blocked in breath has overlapping in a first direction, but is not overlapped in a second direction.Therefore, the set of object element
Including touch unit a, touch unit b, touch unit d, touch unit e and touch unit j.
Step 304, the location information that touch point is determined according to the set of object element.Wherein, step 304 can specifically join
According to above-mentioned steps 206- step 208, repeat no more herein.
The embodiment of the present invention provides a kind of touch screen localization method, within a scan period, is swept with two groups of optical paths
It retouches, practical optical path block information is matched with reference path block information, the set of object element is obtained, due to two groups
Optical path is scanned, then practical optical path block information includes the information that whether practical optical path is blocked under multiple groups optical path, thus real
Border optical path block information and the comparison of reference path block information are more, more smart so as to the determination to object element
Carefully, and then touch precision is improved.
The embodiment of the invention provides a kind of touch screen positioning devices, are applied to touch-screen equipment, touch screen is divided into multiple
Touch unit；As shown in figure 32, the positioning device 100 includes:
First acquisition unit 101 is obtained practical optical path and hidden for being scanned within a scan period with M group optical path
Keep off information；Wherein, one group of optical path includes: a plurality of parallel light path of first direction, a plurality of parallel light path of second direction；Practical light
Road block information includes: the parameter whether each optical path in M group optical path is blocked, wherein first direction and second direction are handed over
Fork, M are the positive integer more than or equal to 1.Preferably, M is greater than or equal to 2.
Second acquisition unit 102, for obtaining the reference path block information of each touch unit；Wherein, touch unit
If reference path block information includes: touch unit as touch point, and is swept with the same optical path with practical optical path block information
It retouches, then the parameter whether each optical path obtained is blocked.
First determination unit 103, for blocking letter according to the reference path of practical optical path block information and each touch unit
Breath, determines the set of object element；Object element is the parameter and practical optical path that optical path is blocked in reference path block information
The parameter that optical path is blocked in block information at least one set of optical path first direction and second direction on have the touching of overlapping
Touch unit.
Second determination unit 104 determines the location information of touch point for the set according to object element.
The embodiment of the invention provides a kind of touch positioning devices, in the present solution, multiple by the way that touch screen to be divided into
The reference path block information of each touch unit is stored in display equipment by touch unit.When touch screen is when being touched,
Practical optical path block information is obtained, since touch point covers touch unit, then the touch unit part optical path that touched point covers
The optical path parameter being blocked and the parameter being blocked in the reference path block information of the touch unit are identical, then passing through will be practical
Optical path block information carries out matching the touch that can determine touch point covering with the reference path block information of each touch unit
Object element in unit, that is, the application, then determine by object element the location information of touch point.The embodiment of the present invention provides
Touch screen localization method and conventional mapping methods it is entirely different, by the way that the reference path block information of touch unit is carried out
Storage, and matched with the practical optical path block information of acquisition, to obtain the corresponding touch unit in touch point, obtain in this approach
The location information of touch point is taken, for light reticular density without too big, and without carrying out traditional algorithm, localization method is simple, and rings
Answer speed fast.
Preferably, practical optical path block information includes: that M practical optical path blocks sub-information, and each practical optical path blocks son
Information includes the parameter whether each optical path in one group of optical path is blocked；Reference path block information includes: M and practical light
It blocks the corresponding reference path of sub-information and blocks sub-information in road.
First determination unit 103 is specifically used for, and M practical optical path is blocked sub-information and M reference path blocks sub- letter
Breath is matched respectively, determines the set of M group candidate target unit；Candidate target unit is that a practical optical path blocks sub- letter
Optical path is blocked in breath parameter and a reference path block parameter that optical path in sub-information is blocked in a first direction with the
There is the touch unit of overlapping on two directions.
As shown in figure 33, positioning device 100 further include:
Third determination unit 105 determines the set of object element for the set according to M group candidate target unit.
Optionally, as shown in figure 34, the second determination unit 104 specifically includes:
First determining module 1041 is determined as a touching for object element successively adjacent in the set by object element
Touch area.
Second determining module 1042, for determining the central point of Petting Area.
Third determining module 1043 determines the position letter of touch point for the central point and pre-set radius according to Petting Area
Breath.Alternatively,
As shown in figure 35, the second determination unit 104 specifically includes:
4th determining module 1044 is determined as a touching for object element successively adjacent in the set by object element
Touch area.
5th determining module 1045, the central point on each side for determining Petting Area.
6th determining module 1046 determines the location information of touch point for the central point according to each side of Petting Area.Or
Person,
As shown in figure 36, the second determination unit 104 specifically includes:
7th determining module 1047 is determined as a touching for object element successively adjacent in the set by object element
Touch area.
8th determining module 1048, for determining the central point and area of Petting Area.
9th determining module 1049 touches radius for determining according to the area of Petting Area.
Tenth determining module 10410, for determining that the position of touch point is believed according to the central point and touch radius of Petting Area
Breath.
The embodiment of the invention provides a kind of touch-screen equipments 200, as shown in figure 37, comprising:
Memory 201, is used to store a set of program code.
Processor 202, the batch processing code for being stored according to memory execute the touching enumerated in the embodiment of the present invention
Touch screen localization method.
It should be noted that the specific descriptions of part functional module can join in touch-screen equipment provided in an embodiment of the present invention
The corresponding content in embodiment of the present invention method is examined, the present embodiment is no longer described in detail here.
A kind of touch-screen equipment provided in an embodiment of the present invention will be each by the way that touch screen is divided into multiple touch units
The reference path block information of touch unit is stored in display equipment.When touch screen is when being touched, the practical optical path of acquisition is hidden
Information is kept off, since touch point covers touch unit, then the optical path that the touch unit part optical path of touched point covering is blocked is joined
Number is identical with the parameter being blocked in the reference path block information of the touch unit, then by by practical optical path block information and
The reference path block information of each touch unit, which carries out matching, can determine in touch unit i.e. the application of touch point covering
Object element, then determine by object element the location information of touch point.Touch screen positioning side provided in an embodiment of the present invention
Method is entirely different with conventional mapping methods, by the way that the reference path block information of touch unit is stored, and with acquisition
Practical optical path block information matched, to obtain the corresponding touch unit in touch point, in this approach obtain touch point position
Confidence breath, light reticular density is without too big, and without carrying out traditional algorithm, and localization method is simple, and fast response time.
Through the above description of the embodiments, it is apparent to those skilled in the art that, for description
It is convenienct and succinct, only the example of the division of the above functional modules, in practical application, can according to need and will be upper
It states function distribution to be completed by different functional modules, i.e., the internal structure of device is divided into different functional modules, to complete
All or part of function described above.The specific work process of the system, apparatus, and unit of foregoing description, before can referring to
The corresponding process in embodiment of the method is stated, details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the module or
The division of unit, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units
Or component can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, institute
Display or the mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, device or unit
Indirect coupling or communication connection can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
It is each that equipment (can be personal computer, server or the network equipment etc.) or processor (processor) execute the present invention
The all or part of the steps of embodiment the method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory
(ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk
Etc. the various media that can store program code.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of touch screen localization method is applied to touch-screen equipment, which is characterized in that it is single that the touch screen is divided into multiple touches
Member；The described method includes:
It within a scan period, is scanned with M group optical path, and obtains practical optical path block information；Wherein, light described in one group
Road includes: a plurality of parallel light path of first direction, a plurality of parallel light path of second direction；The practical optical path block information packet
It includes: the parameter whether each optical path in M group optical path is blocked, wherein the first direction intersects with the second direction, M
For the positive integer more than or equal to 1；
Obtain the reference path block information of each touch unit；Wherein, the reference path block information of the touch unit includes:
If the touch unit is as touch point, and to scan with the same optical path of the practical optical path block information, then what is obtained is each
The parameter whether optical path is blocked；
According to the reference path block information of practical optical path block information and each touch unit, the collection of object element is determined
It closes；The object element are as follows: in the parameter and the practical optical path block information that optical path is blocked in reference path block information
The parameter that optical path is blocked, at least one set of optical path first direction and second direction on have the touch unit of overlapping；
The location information of touch point is determined according to the set of the object element.
2. localization method according to claim 1, which is characterized in that M is greater than or equal to 2.
3. localization method according to claim 2, which is characterized in that the practical optical path block information includes；M practical
Optical path blocks sub-information, and each practical optical path blocks sub-information and includes whether each optical path in one group of optical path is blocked
Parameter；The reference path block information, which includes: M, to be blocked the corresponding reference path of sub-information with the practical optical path and blocks son
Information；
The reference path block information according to practical optical path block information and each touch unit, determines object element
Set includes:
It described M practical optical path is blocked into sub-information blocks sub-information with the M reference path and match respectively, determine
The set of M group candidate target unit；The candidate target unit are as follows: a practical optical path blocks what optical path in sub-information was blocked
Parameter and a reference path block the parameter that optical path in sub-information is blocked, and have overlapping in the first direction and a second direction
Touch unit；
The set of object element is determined according to the set of the M group candidate target unit.
4. localization method according to claim 1, which is characterized in that described determined according to the set of the object element is touched
The location information touched a little specifically includes:
Object element successively adjacent in the set of the object element is determined as a Petting Area；
Determine the central point of the Petting Area；
The location information of touch point is determined according to the central point of the Petting Area and pre-set radius；Alternatively,
Object element successively adjacent in the set of the object element is determined as a Petting Area；
Determine the central point on each side of the Petting Area；
The location information of touch point is determined according to the central point on each side of the Petting Area；Alternatively,
Object element successively adjacent in the set of the object element is determined as a Petting Area；
Determine the central point and area of the Petting Area；
It is determined according to the area of the Petting Area and touches radius；
The location information of touch point is determined according to the central point of the Petting Area and touch radius.
5. localization method according to claim 1-4, which is characterized in that the object element are as follows: reference path
The parameter that the parameter that optical path is blocked in block information is blocked with optical path in the practical optical path block information, in M group optical path
In first direction and second direction on have the touch unit of overlapping.
6. a kind of touch screen positioning device is applied to touch-screen equipment, which is characterized in that it is single that the touch screen is divided into multiple touches
Member；The positioning device includes:
First acquisition unit obtains practical optical path block information for being scanned within a scan period with M group optical path；
Wherein, optical path described in one group includes: a plurality of parallel light path of first direction, a plurality of parallel light path of second direction；The reality
Optical path block information includes: the parameter whether each optical path in M group optical path is blocked, wherein the first direction with it is described
Second direction is intersected, and 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 of the touch unit
If optical path block information includes: the touch unit as touch point, and with the same light with the practical optical path block information
Road scanning, the then the parameter whether each optical path obtained is blocked；
First determination unit, for the reference path block information according to practical optical path block information and each touch unit,
Determine the set of object element；The object element are as follows: the parameter and the reality that optical path is blocked in reference path block information
The parameter that optical path is blocked in the optical path block information of border, at least one set of optical path first direction and second direction on have weight
Folded touch unit；
Second determination unit determines the location information of touch point for the set according to the object element.
7. positioning device according to claim 6, which is characterized in that M is greater than or equal to 2.
8. positioning device according to claim 7, which is characterized in that the practical optical path block information includes: M practical
Optical path blocks sub-information, and each practical optical path blocks sub-information and includes whether each optical path in one group of optical path is blocked
Parameter；The reference path block information, which includes: M, to be blocked the corresponding reference path of sub-information with the practical optical path and blocks son
Information；
First determination unit is specifically used for, and described M practical optical path is blocked sub-information and is blocked with the M reference path
Sub-information is matched respectively, determines the set of M group candidate target unit；The candidate target unit are as follows: a practical light
Parameter that optical path in sub-information is blocked is blocked on road and a reference path blocks the parameter that optical path in sub-information is blocked, the
One direction and second direction have the touch unit of overlapping；
The positioning device further include:
Third determination unit determines the set of object element for the set according to the M group candidate target unit.
9. positioning device according to claim 6, which is characterized in that second determination unit specifically includes:
First determining module, for object element successively adjacent in the set of the object element to be determined as a touch
Area；
Second determining module, for determining the central point of the Petting Area；
Third determining module determines the location information of touch point for the central point and pre-set radius according to the Petting Area；Or
Person,
4th determining module, for object element successively adjacent in the set of the object element to be determined as a touch
Area；
5th determining module, the central point on each side for determining the Petting Area；
6th determining module determines the location information of touch point for the central point according to each side of the Petting Area；Alternatively,
7th determining module, for object element successively adjacent in the set of the object element to be determined as a touch
Area；
8th determining module, for determining the central point and area of the Petting Area；
9th determining module touches radius for determining according to the area of the Petting Area；
Tenth determining module determines the location information of touch point for the central point and touch radius according to the Petting Area.
10. a kind of touch-screen equipment characterized by comprising
Memory is used to store a set of program code；
Processor, the batch processing code for being stored according to the memory, perform claim require described in any one of 1-5
Touch screen localization method.
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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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101398734A (en) * | 2007-09-28 | 2009-04-01 | 北京汇冠新技术有限公司 | Infrared touch screen parallel scanning system using polarizing disc |
| WO2010015408A1 (en) * | 2008-08-07 | 2010-02-11 | Owen Drumm | Method and apparatus for detecting a multitouch event in an optical touch-sensitive device |
| CN104076990A (en) * | 2014-07-08 | 2014-10-01 | 深圳创维－Rgb电子有限公司 | Screen positioning method and device |
| CN204178348U (en) * | 2014-08-01 | 2015-02-25 | 刘海 | A kind ofly utilize the infrared system realizing multi-point touch identification |
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2015
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101398734A (en) * | 2007-09-28 | 2009-04-01 | 北京汇冠新技术有限公司 | Infrared touch screen parallel scanning system using polarizing disc |
| WO2010015408A1 (en) * | 2008-08-07 | 2010-02-11 | Owen Drumm | Method and apparatus for detecting a multitouch event in an optical touch-sensitive device |
| CN104076990A (en) * | 2014-07-08 | 2014-10-01 | 深圳创维－Rgb电子有限公司 | Screen positioning method and device |
| CN204178348U (en) * | 2014-08-01 | 2015-02-25 | 刘海 | A kind ofly utilize the infrared system realizing multi-point touch identification |
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Address after: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218 Patentee after: Hisense Visual Technology Co., Ltd. Address before: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218 Patentee before: QINGDAO HISENSE ELECTRONICS Co.,Ltd. |