CN105335020B - A kind of touch point recognition methods and device - Google Patents
A kind of touch point recognition methods and device Download PDFInfo
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- CN105335020B CN105335020B CN201410404453.0A CN201410404453A CN105335020B CN 105335020 B CN105335020 B CN 105335020B CN 201410404453 A CN201410404453 A CN 201410404453A CN 105335020 B CN105335020 B CN 105335020B
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Abstract
The present invention relates to field of photoelectric technology more particularly to a kind of touch point recognition methods and devices, to improve touch point recognition speed.In the embodiment of the present invention, executed for each scan period：Choose in this period that in N number of scanning direction not scanned 1 scanning direction, after the scanning direction progress light path scanning of selection, the scanning result data in Current Scan direction are stored in the corresponding storage region in Current Scan direction, then, touch point identification is carried out according to the scanning result data stored in scanning area, rather than after the light path of all scanning directions is scanned every time, further according to entire light path scanning result calculated using algorithm after identify touch point, therefore, using touch point recognition methods provided in an embodiment of the present invention and device on the basis of ensureing touch point accuracy of identification, improve the speed of touch point identification.
Description
Technical field
The present invention relates to field of photoelectric technology more particularly to a kind of touch point recognition methods and devices.
Background technology
The presence of touch point can be identified in touch screen display area by touch screen electronic system.Current touch technology
In, the advantages that infrared touch panel is with its simple production process, production cost is low, easy for installation, high reliability, obtains in numerous areas
To being widely applied.The basic structure of infrared touch panel is that several infrared emission members are equipped with around touch detection region
Part and infrared receiver component, wherein infrared emission component and infrared receiver component correspond, and form infrared emission reception pipe pair,
The infrared light that infrared emission component is sent out is passed through by the infrared receiver component reception positioned at opposite when there is touch event generation
The light of touch location is blocked, and processor to judge the generation of touch event and calculates the position of touch point with this.
In the prior art, the method for touch screen identification touch point is：The light path of all scanning directions is scanned first,
Then after processor is calculated according to the scanning result of entire light path using algorithm, touch point is exported.Due to scanning all sweep
The light path occupied time for retouching direction can be very long, therefore is existed using the method for existing infrared touch panel identification touch point and touched
Touch the slower problem of a recognition speed.
Invention content
A kind of touch point recognition methods of offer of the embodiment of the present invention and device, to improve touch point recognition speed.
The embodiment of the present invention provides a kind of touch point recognition methods, is applied to touch screen, and the touch screen includes at least two
A transmitting side and at least two receives side, and the transmitting side is equipped with infrared emission component, and the reception side is equipped with infrared receiver member
Part executes following steps for each scan period：
Step A, choose in this period that in N number of scanning direction not scanned 1 scanning direction, triggering described at least two
The infrared emission component of transmitting side and described at least two receives the infrared receiver component on side according to the scanning direction progress of selection
Light path scans；The scanning direction indicates by the size of the angle formed between the light path scanned and the transmitting side, N mono-
The quantity of all scanning directions in a period；
If step B, the quantity of current all scanning directions scanned is N in this period, according to N number of in this period
The scanning result of scanning direction carries out touch point identification；If the quantity of current all scanning directions scanned is in this period
K, k<N, then according to the scanning of N-k scanning direction in the scanning result of k scanning direction in this period and upper a cycle
As a result touch point identification is carried out, N-k scanning direction in the upper a cycle and the k scanning direction in this period
It differs；
Step C, judge in this period whether for all scanning directions to have carried out light path scanning, if it is not, then returning to institute
State step A.
Preferably, in the step B, further include：If the number of current all scanning directions scanned in this period
Amount is k, k<N, and the scanning result of N-k scanning direction in a cycle has not been obtained, then according to k scanning in this period
The scanning result in direction carries out touch point identification.
Preferably, in the step A, not scanned 1 scanning side in N number of scanning direction in described this period of selection
To, including：Choose in this period that in N number of scanning direction not scanned 1 scanning direction according to pre-set sequence.
Preferably, the pre-set sequence is：Angle sequence from big to small or the angle from it is small to
Big sequence.
Preferably, being provided with N number of storage region for N number of scanning direction, each storage region is for storing one
The scanning result data of scanning direction, the scanning direction corresponding to each storage region are different；In the step A, carry out
After light path scanning, further include：If the corresponding storage region in Current Scan direction is sky, by the scanning knot in Current Scan direction
Fruit data are stored in the corresponding storage region in Current Scan direction, if the corresponding storage region in Current Scan direction is not sky,
Scanning result data in the corresponding storage region in Current Scan direction are replaced with to the scanning result data in Current Scan direction；
The step B is specifically included：Touch point identification is carried out according to the scanning result data stored in N number of scanning area.
The embodiment of the present invention provides a kind of touch point identification device, is applied to touch screen, and the touch screen includes at least two
A transmitting side and at least two receives side, and the transmitting side is equipped with infrared emission component, and the reception side is equipped with infrared receiver member
Part, including：Scanning element, touch point recognition unit and judging unit；
The scanning element is chosen not scanned in N number of scanning direction in this period for being directed to each scan period
1 scanning direction, the infrared emission component and at least two receptions the infrared of side for triggering at least two transmitting side connect
It receives element and carries out light path scanning according to the scanning direction of selection；The scanning direction is by between the light path scanned and the transmitting side
The size of the angle of formation indicates that N is the quantity of all scanning directions in a cycle；
The touch point recognition unit, for being directed to each scan period, within this period it is current it is all scanned sweep
When the quantity for retouching direction is N, touch point identification is carried out according to the scanning result of N number of scanning direction in this period；Work as in this period
When the quantity of preceding all scanning directions scanned is k, k<N, then according to the scanning result of k scanning direction in this period and
The scanning result of N-k scanning direction carries out touch point identification in upper a cycle, N-k scanning in the upper a cycle
Direction is differed with the k scanning direction in this period；
Whether the judging unit judges equal for all scanning directions in this period for being directed to each scan period
Light path scanning is carried out, if not, it indicates that the scanning element executes following operation：It chooses in this period in N number of scanning direction
Not scanned 1 scanning direction, the infrared emission component and described at least two for triggering at least two transmitting side receive
The infrared receiver component on side carries out light path scanning according to the scanning direction of selection.
Preferably, the touch point recognition unit, is additionally operable to：If current all scanning directions scanned in this period
Quantity be k, k<N, and the scanning result of N-k scanning direction in a cycle has not been obtained, then according to k in this period
The scanning result of scanning direction carries out touch point identification.
Preferably, the scanning element, is specifically used for：
Choose in this period that in N number of scanning direction not scanned 1 scanning direction according to pre-set sequence.
Preferably, the pre-set sequence is：Angle sequence from big to small or the angle from it is small to
Big sequence.
Preferably, being provided with N number of storage region for N number of scanning direction, each storage region is for storing one
The scanning result data of scanning direction, the scanning direction corresponding to each storage region are different；The scanning element is also used
In：After carrying out light path scanning, if the corresponding storage region in Current Scan direction is sky, by the scanning in Current Scan direction
Result data is stored in the corresponding storage region in Current Scan direction, if the corresponding storage region in Current Scan direction is not sky,
Scanning result data in the corresponding storage region in Current Scan direction are then replaced with to the scanning result number in Current Scan direction
According to；The touch point recognition unit is specifically used for：It is touched according to the scanning result data stored in N number of scanning area
Point identification.
In the embodiment of the present invention, executed for each scan period：It chooses in this period and is not scanned in N number of scanning direction
1 scanning direction, according to selection scanning direction carry out light path scanning after, by the scanning result data in Current Scan direction
It is stored in the corresponding storage region in Current Scan direction, then, is carried out according to the scanning result data stored in scanning area
Touch point identifies, if the quantity of current all scanning directions scanned is N in this period, is swept according to N number of in this period
The scanning result for retouching direction carries out touch point identification；If the quantity of current all scanning directions scanned is k in this period,
k<N, then according to the scanning knot of N-k scanning direction in the scanning result of k scanning direction in this period and upper a cycle
Fruit carries out touch point identification.Rather than after being every time scanned the light path of all scanning directions, further according to entire light path
Scanning result identifies touch point after being calculated using algorithm.Therefore, it is identified using touch point provided in an embodiment of the present invention
Method and device improves the speed of touch point identification on the basis of ensureing touch point accuracy of identification.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill in field, without having to pay creative labor, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is a kind of touch point recognition methods flow chart provided in an embodiment of the present invention；
Fig. 2-A are the schematic diagram of scanning direction provided in an embodiment of the present invention；
Fig. 2-B are the schematic diagram of scanning direction provided in an embodiment of the present invention；
Fig. 2-C are the schematic diagram of scanning direction provided in an embodiment of the present invention；
Fig. 2-D are the schematic diagram of scanning direction provided in an embodiment of the present invention；
Fig. 2-E are the schematic diagram of scanning direction provided in an embodiment of the present invention；
Fig. 3 is a kind of touch point recognition methods flow chart that another embodiment of the present invention provides；
Fig. 4 is a kind of touch point identification device structural schematic diagram provided in an embodiment of the present invention；
Fig. 5 is a kind of touch point identification device structural schematic diagram that another embodiment of the present invention provides.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
It is described in detail to one step, it is clear that the described embodiments are only some of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall within the protection scope of the present invention.
It is illustrative to the description only actually of at least one exemplary embodiment below, is never used as to the present invention
And its application or any restrictions that use.
In the embodiment of the present invention, in each scan period, the light path of all scanning directions is scanned.Wherein,
The value of scan period length can refer in the prior art, when the light path for the scanning through all scanning directions required time
Length.According to the difference of touch screen hardware process speed, allow in the embodiment of the present invention to the length of scan period into Mobile state
Adjustment.
Below by taking any one period as an example, the processing stream within a scan period is described by several preferred embodiments
Journey
As shown in Figure 1, being a kind of touch point recognition methods provided in an embodiment of the present invention, it is applied to touch screen, it is described to touch
It includes that at least two transmitting sides and at least two receive side to touch screen, and the transmitting side is equipped with infrared emission component, the reception side
Equipped with infrared receiver component, following steps are executed for each scan period：
S101, choose in this period that in N number of scanning direction not scanned 1 scanning direction, triggering described at least two
The infrared emission component of transmitting side and described at least two receives the infrared receiver component on side according to the scanning direction progress of selection
Light path scans；The scanning direction indicates by the size of the angle formed between the light path scanned and the transmitting side, N mono-
The quantity of all scanning directions in a period.
S102, touch point identification is carried out.Wherein：If the quantity of current all scanning directions scanned is in this period
N then carries out touch point identification according to the scanning result of N number of scanning direction in this period；If currently all in this period swept
The quantity for the scanning direction retouched is k, k<N, then according in the scanning result of k scanning direction in this period and upper a cycle
The scanning result of N-k scanning direction carries out touch point identification, N-k scanning direction in the upper a cycle and this period
The interior k scanning direction differs.
S103, judge in this period whether for all scanning directions to have carried out light path scanning, if it is not, described in then returning
Step S101, if then going to step S104.
S104, the light path scanning for terminating this period.
Wherein, recorded in above-mentioned steps S101：Scanning direction is by forming between the light path and transmitting side that scan
Corner dimension indicates.Here, detailed explanation is carried out to it by way of example, such as in the infrared touch panel of rectangular configuration,
Scanning optical path and the angle of transmitting side can be 30 °, 60 °, 90 °, 120 ° and 150 °.Can also based on pass through calculating scan light
On the basis of the angle formed between road and transmitting side divides scanning direction, quantity division, example are carried out to scanning direction
Such as, when 30 ° of the angle formed between scanning optical path and transmitting side, it is set as scanning direction 1, as shown in Fig. 2-A；Scanning optical path with
When 60 ° of the angle formed between transmitting side, it is set as scanning direction 2, as shown in fig. 2-b；Shape between scanning optical path and transmitting side
At 90 ° of angle when, scanning direction 3 is set as, as shown in Fig. 2-C；120 ° of the angle formed between scanning optical path and transmitting side
When, it is set as scanning direction 4, as depicted in fig. 2-d；When 150 ° of the angle formed between scanning optical path and transmitting side, it is set as sweeping
Direction 5 is retouched, as shown in Fig. 2-E.
Further, in above-mentioned steps S101, one state flag bit can be set for each scanning direction and used
To indicate the state of each scanning direction.In this way, in each period, not scanned 1 scanning is chosen reversely, and to this
After the light path of scanning direction is scanned, just the state of the scanning direction is set as having scanned.Such as the state mark of scanning
Will can be indicated with number 0 and 1, when the numerical value in the state flag bit of scanning direction is 0, indicate that this scanning direction is
It has scanned；Such as when the numerical value in the state flag bit of scanning direction is 1, indicate that this scanning direction is not scan.
Further, in above-mentioned steps S102, if in this period current all scanning directions scanned quantity
For k, k<N, and the scanning result of N-k scanning direction in a cycle has not been obtained, then according to k scanning side in this period
To scanning result carry out touch point identification；Alternatively, if current period is first scan period, according to current in this period
The scanning result of all scanning directions scanned carries out touch point identification.
Further, in above-mentioned steps S101 for the ease of choosing in this period not scanned 1 in N number of scanning direction
A scanning direction, can choose in this period that in N number of scanning direction not scanned 1 scanning side according to pre-set sequence
To the pre-set sequence can be：According to the sequence of angle from big to small, or according to angle from small to large suitable
Sequence.Such as pre-set sequence can be 30 °, 60 °, 90 °, 120 ° and 150 °；Or 150 °, 120 °, 90 °, 60 ° and
30°.Wherein, when pre-set sequence is 30 °, 60 °, 90 °, 120 ° and 150 °, it is assumed that in a cycle, according to pre-
The sequence being first arranged obtains the scanning direction scanning result after the light path that selection scanning direction is 30 ° first is scanned,
Such as scanning result can be to scan the light path data obtained after this light path, or touch screen receives side and receiving
The response voltage generated when infrared light carries out the later data of binarization.Processor is 30 ° according to the scanning direction of acquisition
Scanning result, after being calculated using corresponding algorithm, for example, using the algorithm of logical calculated or mathematical computations, identify
Touch point.According to pre-set sequence, the light path that scanning direction is 60 ° is then chosen again and is scanned, the scanning side is obtained
To scanning result, the scanning result that scanning result and scanning direction that processor is 30 ° according to the scanning direction of acquisition are 60 °,
After being calculated using corresponding algorithm, touch point is identified.According to pre-set sequence, then choosing scanning direction again is
90 ° of light path is scanned, and obtains the scanning direction scanning result, the scanning that processor is 30 ° according to the scanning direction of acquisition
As a result the scanning result that the scanning result and scanning direction that, scanning direction is 60 ° are 90 °, is counted using corresponding algorithm
After calculation, touch point is identified.According to pre-set sequence, the light path that scanning direction is 120 ° is then chosen again and is scanned,
The scanning direction scanning result is obtained, scanning result that processor is 30 ° according to the scanning direction of acquisition, scanning direction are 60 °
Scanning result, the scanning result that scanning direction is 90 ° and the scanning result that scanning direction is 120 °, using corresponding algorithm
After being calculated, touch point is identified.According to pre-set sequence, the light path that scanning direction is 150 ° is then chosen again and is carried out
Scanning, obtains the scanning direction scanning result, scanning result that processor is 30 ° according to the scanning direction of acquisition, scanning direction
Scanning result, the scanning result that scanning direction is 120 ° and the scanning direction for being 90 ° for 60 ° of scanning results, scanning direction
For 150 ° of scanning result touch point is identified after being calculated using corresponding algorithm.
Further, for the ease of obtaining the scanning result data of each scanning direction, N number of scanning side can also be directed to
To N number of storage region is provided with, each storage region is used to store the scanning result data of a scanning direction, each memory block
Scanning direction corresponding to domain is different.Therefore, in above-mentioned steps S101, after carrying out light path scanning, can also include：
If the corresponding storage region in Current Scan direction is sky, the scanning result data in Current Scan direction are stored in Current Scan
The corresponding storage region in direction, it is if the corresponding storage region in Current Scan direction is not sky, Current Scan direction is corresponding
Scanning result data in storage region replace with the scanning result data in Current Scan direction.It can be wrapped in above-mentioned steps S102
It includes：Touch point identification is carried out according to the scanning result data stored in N number of scanning area.
It further, can also be by the scanning knot in Current Scan direction in order to save the memory space of scanning result data
Fruit data are stored in the first data field, and the scanning result data of a upper scanning direction are stored in the second data field.If the
The scanning direction scanning result data identical with Current Scan direction being stored in two data fields in a cycle are then by it
It is deleted.With a cycle, there are three scanning directions below, are illustrated for 2 periods of scanning.Wherein, three scanning
The setting method in direction is：When 30 ° of the angle formed between scanning optical path and transmitting side, it is set as scanning direction 1, such as Fig. 2-A
It is shown；When 60 ° of the angle formed between scanning optical path and transmitting side, it is set as scanning direction 2, as shown in fig. 2-b；Scanning optical path
When 90 ° of the angle formed between transmitting side, it is set as scanning direction 3, as shown in Fig. 2-C.According to：Scanning direction 1, scanning side
To 2, the sequence of scanning direction 3 carries out light path scanning.In a cycle, when Current Scan direction is scanning direction 1, it will sweep
The scanning result data for retouching direction 1 are stored in the first data field；According to the sequence of setting, light path is carried out to scanning direction 2 and is swept
After retouching, the scanning result data of scanning direction 2 are stored in the first data field, and by scanning direction 1 in the first data field
Scanning result data are stored in the second data field；It, will after carrying out light path scanning to scanning direction 3 according to the sequence of setting
The scanning result data of scanning direction 3 are stored in the first data field, and by the scanning result number of scanning direction 2 in the first data field
According to being stored in the second data field.In second period, when Current Scan direction is scanning direction 1, by sweeping for scanning direction 1
It retouches result data to be stored in the first data field, and scanning direction 1 in a cycle stored in the second data field is swept
Result data is retouched to be deleted；According to the sequence of setting, after carrying out light path scanning to scanning direction 2, by sweeping for scanning direction 2
It retouches result data and is stored in the first data field, and the scanning result data of scanning direction 1 in the first data field are stored in second
In data field, and the scanning result data of scanning direction 2 in a cycle stored in the second data field are deleted；
According to the sequence of setting, after carrying out light path scanning to scanning direction 3, the scanning result data of scanning direction 3 are stored in the
One data field, and the scanning result data of scanning direction 2 in the first data field are stored in the second data field, and by second
The scanning result data of scanning direction 3 are deleted in a cycle stored in data field.
Further, each scan period start to be scanned light path before, the angle of scanning direction can be set
Degree, the scanning mode that N number of scanning direction can also be arranged is not scan, can also be respectively provided with the light path of all scanning directions
For non-occlusion state.
Above-mentioned flow is the scanning process in a cycle.Certainly, in actual use, touch screen terminal can be according to
Above-mentioned flow cycle is scanned the light path in touch screen, phase can also be arranged according to the operating condition of touch screen terminal
The sweep speed answered.Such as when touch screen terminal is mobile phone, when detecting that mobile phone is in operating status, it can accelerate to scan
Speed, recognize touch point as soon as possible；When detecting that mobile phone is in standby, the speed of scanning can be slowed down, to save
The electric power resource of touch screen terminal；Even when detecting that mobile phone has been switched off, it can stop being scanned light path.
A touch screen recognition methods provided through the embodiment of the present invention is not scanned a scanning direction when choosing, presses
After the scanning direction progress light path scanning of selection, the scanning result data in Current Scan direction are stored in Current Scan side
Into corresponding storage region.Then, touch point identification is carried out according to the scanning result data stored in scanning area.Rather than
After the light path of all scanning directions is scanned, further according to entire light path scanning result calculated using algorithm after identify
Go out touch point.Therefore, the touch point recognition methods provided using the embodiment of the present invention one is in the base for ensureing touch point accuracy of identification
On plinth, the speed of touch point identification is improved.
As shown in figure 3, being a preferred embodiment provided by the invention, touch screen touches for infrared rectangle in this embodiment
Screen is touched, which includes two transmitting sides and two reception sides.Infrared transmitting tube is arranged in transmitting side, receives side and sets
It is equipped with infrared receiving tube.Assuming that it is previously provided with 5 scanning directions in a cycle in order in the present embodiment, it is further false
If present scanning cycle is second scan period.Touch point recognition methods provided in this embodiment is as follows：
S301, initializing set scanning direction quantity are 5, and the light path of 5 scanning directions is non-occlusion state, and
The scanning mode of 5 scanning directions is not scan.
Initializing set scanning direction quantity is 5, specially：Based on by being formed between calculating scanning optical path and transmitting side
Angle scanning direction is divided on the basis of, to scanning direction carry out quantity division.Between scanning optical path and transmitting side
When 30 ° of the angle of formation, it is set as scanning direction 1；When 60 ° of the angle formed between scanning optical path and transmitting side, it is set as sweeping
Retouch direction 2；When 90 ° of the angle formed between scanning optical path and transmitting side, it is set as scanning direction 3；Scanning optical path and transmitting side
Between 120 ° of the angle that is formed when, be set as scanning direction 4；When 150 ° of the angle formed between scanning optical path and transmitting side, if
It is set to scanning direction 5.
S302, set the sequences of above-mentioned 5 scanning directions as：Scanning direction 1, scanning direction 2, scanning direction 3, scanning side
To 4 and scanning direction 5；And 5 storage regions are correspondingly arranged on for above-mentioned 5 scanning directions, 5 storage region difference
For：Storage region A, storage region B, storage region C, storage region D and storage region E.Wherein, scanning direction 1 is corresponding deposits
Storage area domain is storage region A, and 2 corresponding storage region of scanning direction is storage region B, 3 corresponding storage region of scanning direction
For storage region C, 4 corresponding storage region of scanning direction is storage region D, and 5 corresponding storage region of scanning direction is storage
Region E.
S303, according to pre-set sequence, choose in current period the scanning direction 1 in i.e. second period first
After light path is scanned, the scanning result data of the scanning direction are obtained, by the scanning result data of the scanning direction 1 of acquisition
Replace the scanning result data of the scanning direction 1 obtained in a cycle stored in storage region A.Processor according to
The scanning result data that are stored in storage region A i.e. in second period in current period and in a cycle：Storage
The scanning result number of the scanning direction 3 stored in the scanning result data of the scanning direction 2 stored in the B of region, storage region C
According to the scanning of the scanning direction 5 stored in the scanning result data and storage region E of the scanning direction 4 stored in, storage region D
Result data identifies touch point after being calculated using corresponding algorithm.
Above-mentioned scanning result data can be to scan the light path data obtained after this light path, or touch screen
Receive the data after the response voltage progress binarization that side is generated when receiving infrared light.
S304, according to pre-set sequence, choose in current period the light path of the scanning direction 2 in i.e. second period
After being scanned, the scanning result data of the scanning direction are obtained, the scanning result data of the scanning direction 2 of acquisition are replaced
The scanning result data of the scanning direction 2 obtained in a cycle stored in storage region B.Processor is according to current
It is the scanning result number stored in the scanning result data stored in storage region A in second period, storage region B in period
According to this and in a cycle：It is stored in the scanning result data of the scanning direction 3 stored in storage region C, storage region D
Scanning direction 4 scanning result data and storage region E in the scanning result data of scanning direction 5 that store, using corresponding
Algorithm calculated after, identify touch point.
S305, according to pre-set sequence, choose in current period the light path of the scanning direction 3 in i.e. second period
After being scanned, the scanning result data of the scanning direction are obtained, the scanning result data of the scanning direction 3 of acquisition are replaced
The scanning result data of the scanning direction 3 obtained in a cycle stored in storage region C.Processor is according to current
It is the scanning result number stored in the scanning result data stored in storage region A in second period, storage region B in period
According to the scanning result data stored in storage region C and in a cycle：The scanning direction stored in storage region D
The scanning result data of the scanning direction 5 stored in 4 scanning result data and storage region E are carried out using corresponding algorithm
After calculating, touch point is identified.
S306, according to pre-set sequence, choose in current period the light path of the scanning direction 4 in i.e. second period
After being scanned, the scanning result data of the scanning direction are obtained, the scanning result data of the scanning direction 4 of acquisition are replaced
The scanning result data of the scanning direction 4 obtained in a cycle stored in storage region D.Processor is according to current
It is the scanning result number stored in the scanning result data stored in storage region A in second period, storage region B in period
According to the scanning result data stored in the scanning result data and storage region D stored in, storage region C and in the first week
In phase：The scanning result data of the scanning direction 5 stored in storage region E are identified after being calculated using corresponding algorithm
Touch point.
S307, according to pre-set sequence, choose in current period the light path of the scanning direction 5 in i.e. second period
After being scanned, the scanning result data of the scanning direction are obtained, the scanning result data of the scanning direction 5 of acquisition are replaced
The scanning result data of the scanning direction 5 obtained in a cycle stored in storage region E.Processor is according to current
It is the scanning result number stored in the scanning result data stored in storage region A in second period, storage region B in period
It deposits according to the scanning result data stored in, storage region C, the scanning result data stored in storage region D and in storage region E
The scanning result data of storage identify touch point after being calculated using corresponding algorithm.
S 308, the light path scanning for terminating second period.
As can be seen that by the touch point recognition methods provided in above preferred embodiment, when according to pre-set suitable
After the light path of scanned scanning direction is scanned in sequence selection current period, the scanning that this is scanning direction is obtained
Result data, the scanning result data in the Current Scan direction of acquisition are replaced with stored in corresponding storage region upper
The scanning result data identical with Current Scan direction obtained in a cycle.Further according to being deposited in storage region in current period
Scanning result data of storage or according in the scanning result data and upper a cycle stored in storage region in current period
The scanning result data stored in storage region identify touch point after being calculated using corresponding algorithm.Rather than by institute
After thering is the light path of scanning direction to be scanned, further according to entire light path scanning result calculated using algorithm after identify it is tactile
It touches a little.Therefore, it is carried on the basis of ensureing touch point accuracy of identification using touch point recognition methods provided in an embodiment of the present invention
The high speed of touch point identification.
Based on the same technical idea, the embodiment of the present invention also provides a kind of touch point identification device, which can use
In execution above method embodiment.Touch point identification device provided in an embodiment of the present invention is applied to touch screen, the touch screen
Side is received including at least two transmitting sides and at least two, the transmitting side is equipped with infrared emission component, and the reception side is equipped with
Infrared receiver component, as shown in figure 4, including：Scanning element 41, touch point recognition unit 42 and judging unit 43.
Scanning element 41 is chosen in this period for being directed to each scan period not scanned 1 in N number of scanning direction
The infrared receiver of the infrared emission component and at least two reception side of at least two transmitting side is triggered in a scanning direction
Element carries out light path scanning according to the scanning direction of selection；The scanning direction is by shape between the light path scanned and the transmitting side
At the size of angle indicate that N is the quantity of all scanning directions in a cycle.
Touch point recognition unit 42, for being directed to each scan period, current all scannings scanned within this period
When the quantity in direction is N, touch point identification is carried out according to the scanning result of N number of scanning direction in this period；It is current in this period
When the quantity of all scanning directions scanned is k, k<N, then according to the scanning result of k scanning direction in this period and on
The scanning result of N-k scanning direction carries out touch point identification, N-k scanning side in the upper a cycle in a cycle
It is differed to the k scanning direction in this period.
Judging unit 43 judges whether be directed to all scanning directions in this period for being directed to each scan period
Light path scanning is carried out, if not, it indicates that the scanning element 41 executes following operation：It chooses in this period in N number of scanning direction
Not scanned 1 scanning direction, the infrared emission component and described at least two for triggering at least two transmitting side receive
The infrared receiver component on side carries out light path scanning according to the scanning direction of selection.
Preferably, when judging unit 43 is judged to have carried out light path scanning for all scanning directions in this period, then
Terminate to judge.
Preferably, touch point recognition unit 42, is additionally operable to：
If the quantity of current all scanning directions scanned is k, k in this period<N, and a week has not been obtained
The scanning result of N-k scanning direction in phase then carries out touch point knowledge according to the scanning result of k scanning direction in this period
Not.
Preferably, scanning element 41 are specifically used for：N number of scanning direction in this period is chosen according to pre-set sequence
In not scanned 1 scanning direction.
Preferably, above-mentioned pre-set sequence is：Angle sequence from big to small or the angle from it is small to
Big sequence.
Preferably, N number of scanning direction is provided with N number of storage region, each storage region is for storing one
The scanning result data of scanning direction, the scanning direction corresponding to each storage region are different；Scanning element 41 is additionally operable to：
After carrying out light path scanning, if the corresponding storage region in Current Scan direction is sky, by the scanning knot in Current Scan direction
Fruit data are stored in the corresponding storage region in Current Scan direction, if the corresponding storage region in Current Scan direction is not sky,
Scanning result data in the corresponding storage region in Current Scan direction are replaced with to the scanning result data in Current Scan direction；
Touch point recognition unit 42 is specifically used for：It is carried out according to the scanning result data stored in N number of scanning area
Touch point identifies.
A kind of touch point identification device provided through the embodiment of the present invention is executed for each scan period：Choose this
Not scanned 1 scanning direction in N number of scanning direction in period, after carrying out light path scanning according to the scanning direction of selection,
The scanning result data in Current Scan direction are stored in the corresponding storage region in Current Scan direction, then, according to scanning
The scanning result data stored in region carry out touch point identification, if current all scanning directions scanned in this period
Quantity is N, then carries out touch point identification according to the scanning result of N number of scanning direction in this period；If current institute in this period
It is k, k to have the quantity for the scanning direction scanned<N, then according to the scanning result of k scanning direction in this period and one upper
The scanning result of N-k scanning direction carries out touch point identification in period.Rather than every time by the light path of all scanning directions
After being scanned, further according to entire light path scanning result calculated using algorithm after identify touch point.Therefore, using this
The touch point identification device that inventive embodiments provide improves touch point identification on the basis of ensureing touch point accuracy of identification
Speed.
Fig. 5 provides touch point identification device schematic diagram for another embodiment of the present invention.
As shown in figure 5, processor 510, for being directed to each scan period, choose in this period in N number of scanning direction not
Scanned 1 scanning direction, the infrared emission component and described at least two for triggering at least two transmitting side receive side
Infrared receiver component according to selection scanning direction carry out light path scanning；The scanning direction is by the light path scanned and the hair
The size of the angle formed between side is penetrated to indicate, N is the quantity of all scanning directions in a cycle.For being directed to each sweep
The period is retouched, when the quantity of current all scanning directions scanned is N within this period, according to N number of scanning direction in this period
Scanning result carry out touch point identification；When the quantity of current all scanning directions scanned is k in this period, k<N, then root
It is touched according to the scanning result of N-k scanning direction in the scanning result of k scanning direction in this period and upper a cycle
Identification is touched, N-k scanning direction in the upper a cycle is differed with the k scanning direction in this period.With
In for each scan period, judging in this period whether for all scanning directions to have carried out light path scanning, if it is not, then referring to
Show that the scanning element executes following operation：It chooses in this period that in N number of scanning direction not scanned 1 scanning direction, touches
The infrared emission component and described at least two for sending out at least two transmitting sides described receive the infrared receiver component on side according to selection
Scanning direction carry out light path scanning.
Preferably, when processor 510 is for judging to have carried out light path scanning for all scanning directions in this period,
Then terminate to judge.
Preferably, processor 510 are additionally operable to：
If the quantity of current all scanning directions scanned is k, k in this period<N, and a week has not been obtained
The scanning result of N-k scanning direction in phase then carries out touch point knowledge according to the scanning result of k scanning direction in this period
Not.
Preferably, processor 510 are specifically used for：It is chosen in this period in N number of scanning direction according to pre-set sequence
Not scanned 1 scanning direction.
Preferably, above-mentioned pre-set sequence is：Angle sequence from big to small or the angle from it is small to
Big sequence.
Preferably, N number of scanning direction is provided with N number of storage region, each storage region is for storing one
The scanning result data of scanning direction, the scanning direction corresponding to each storage region are different；Processor 510 is additionally operable to：
After carrying out light path scanning, if the corresponding storage region in Current Scan direction is sky, by the scanning knot in Current Scan direction
Fruit data are stored in the corresponding storage region in Current Scan direction, if the corresponding storage region in Current Scan direction is not sky,
Scanning result data in the corresponding storage region in Current Scan direction are replaced with to the scanning result data in Current Scan direction；
Processor 510 is specifically used for：Touch point knowledge is carried out according to the scanning result data stored in N number of scanning area
Not.
Wherein, in Figure 5, bus architecture may include the bus and bridge of any number of interconnection, specifically by processor 510
The various circuits for the memory that the one or more processors and memory 530 of representative represent link together.Bus architecture is also
Various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like can be linked together, these are all
It is it is known in the art, therefore, it will not be further described herein.Bus interface provides interface.Processor 510 is negative
Duty management bus architecture and common processing, memory 530 can store the used number when executing operation of processor 510
According to.For different user equipmenies, user interface 540, which can also be, external the interface for needing equipment is inscribed, and connection is set
Standby including but not limited to keypad, loud speaker, microphone, control stick etc..Display 520 can be CRT (Cathode Ray
Tube, cathode-ray tube), PDP (Plasma Display Panel, plasma display), DLP (Digital Light
Procession, digital light processing) or the display devices such as LCD (Liquid Crystal Display, liquid crystal display).
To sum up, the touch point recognition methods provided through the embodiment of the present invention and device are executed for each scan period：
It chooses in this period that in N number of scanning direction not scanned 1 scanning direction, light path scanning is carried out according to the scanning direction of selection
Later, the scanning result data in Current Scan direction are stored in the corresponding storage region in Current Scan direction, then, according to
The scanning result data stored in scanning area carry out touch point identification, if current all scanning sides scanned in this period
To quantity be N, then according in this period N number of scanning direction scanning result carry out touch point identification；If worked as in this period
The quantity of preceding all scanning directions scanned is k, k<N, then according to the scanning result of k scanning direction in this period and on
The scanning result of N-k scanning direction carries out touch point identification in a cycle.Rather than every time by all scanning directions
After light path is scanned, further according to entire light path scanning result calculated using algorithm after identify touch point.Therefore, it adopts
With touch point recognition methods provided in an embodiment of the present invention and device on the basis of ensureing touch point accuracy of identification, improve tactile
Touch the speed of identification.
The present invention be with reference to according to the method for the embodiment of the present invention, the flow of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or box in journey and/or box and flowchart and/or the block diagram.These computer programs can be provided
Instruct the processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine so that the instruction executed by computer or the processor of other programmable data processing devices is generated for real
The device for the function of being specified in present one flow of flow chart or one box of multiple flows and/or block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that instruction generation stored in the computer readable memory includes referring to
Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device so that count
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, in computer or
The instruction executed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of touch point recognition methods, is applied to touch screen, the touch screen includes at least two transmitting sides and at least two
Side is received, the transmitting side is equipped with infrared emission component, and the reception side is equipped with infrared receiver component, which is characterized in that is directed to
Each scan period executes following steps：
Step A, choose in this period that in N number of scanning direction not scanned 1 scanning direction, triggering is arranged described at least two
The infrared emission component of a transmitting side and be arranged it is described at least two receive side infrared receiver component according to selection scanning
Direction carries out light path scanning；The scanning direction is by the size of the angle formed between the light path scanned and the transmitting side come table
Show, N is the quantity of all scanning directions in a cycle；
If step B, the quantity of current all scanning directions scanned is N in this period, according to N number of scanning in this period
The scanning result in direction carries out touch point identification；If the quantity of current all scanning directions scanned is k, k in this period<
N, then according to the scanning result of N-k scanning direction in the scanning result of k scanning direction in this period and upper a cycle
Touch point identification is carried out, N-k scanning direction in the upper a cycle and the k scanning direction in this period not phase
Together；Step C, judge in this period whether for all scanning directions to have carried out light path scanning, if it is not, then returning to the step
A；
Wherein, N is positive integer and N >=3.
2. the method as described in claim 1, which is characterized in that in the step B, further include：
If the quantity of current all scanning directions scanned is k, k in this period<N, and have not been obtained in a cycle
The scanning result of N-k scanning direction then carries out touch point identification according to the scanning result of k scanning direction in this period.
3. the method as described in claim 1, which is characterized in that in the step A, N number of scanning in described this period of selection
Not scanned 1 scanning direction in direction, including：
Choose in this period that in N number of scanning direction not scanned 1 scanning direction according to pre-set sequence.
4. method as claimed in claim 3, which is characterized in that the pre-set sequence is：The angle is from big to small
Sequence or the angle sequence from small to large.
5. method according to any one of claims 1 to 4, which is characterized in that N number of scanning direction is provided with N
A storage region, each storage region are used to store the scanning result data of a scanning direction, corresponding to each storage region
Scanning direction it is different；
In the step A, after carrying out light path scanning, further include：It, will if the corresponding storage region in Current Scan direction is sky
The scanning result data in Current Scan direction are stored in the corresponding storage region in Current Scan direction, if Current Scan direction corresponds to
Storage region not be sky, then the scanning result data in the corresponding storage region in Current Scan direction are replaced with into Current Scan
The scanning result data in direction；
The step B is specifically included：Touch point identification is carried out according to the scanning result data stored in N number of scanning area.
6. a kind of touch point identification device, is applied to touch screen, the touch screen includes at least two transmitting sides and at least two
Side is received, the transmitting side is equipped with infrared emission component, and the reception side is equipped with infrared receiver component, which is characterized in that including：
Scanning element, touch point recognition unit and judging unit；
The scanning element is chosen 1 not scanned in N number of scanning direction in this period for being directed to each scan period
Scanning direction, triggering is arranged receives side in the infrared emission component of at least two transmitting side and setting described at least two
Infrared receiver component according to selection scanning direction carry out light path scanning；The scanning direction is by the light path scanned and the hair
The size of the angle formed between side is penetrated to indicate, N is the quantity of all scanning directions in a cycle；
The touch point recognition unit, for being directed to each scan period, current all scanning sides scanned within this period
To quantity be N when, according in this period N number of scanning direction scanning result carry out touch point identification；Current institute in this period
Have the scanning direction scanned quantity be k when, k<N, then according to the scanning result and upper one of k scanning direction in this period
The scanning result of N-k scanning direction carries out touch point identification, N-k scanning direction in the upper a cycle in a period
It is differed with the k scanning direction in this period；
The judging unit, for being directed to each scan period, judge in this period whether for all scanning directions into
Row light path scans, if not, it indicates that the scanning element executes following operation：Choose in this period in N number of scanning direction not by
1 scanning direction of scanning, the infrared emission component and described at least two for triggering at least two transmitting side receive side
Infrared receiver component carries out light path scanning according to the scanning direction of selection；
Wherein, N is positive integer and N >=3.
7. device as claimed in claim 6, which is characterized in that the touch point recognition unit is additionally operable to：
If the quantity of current all scanning directions scanned is k, k in this period<N, and have not been obtained in a cycle
The scanning result of N-k scanning direction then carries out touch point identification according to the scanning result of k scanning direction in this period.
8. device as claimed in claim 6, which is characterized in that the scanning element is specifically used for：
Choose in this period that in N number of scanning direction not scanned 1 scanning direction according to pre-set sequence.
9. device as claimed in claim 8, which is characterized in that the pre-set sequence is：The angle is from big to small
Sequence or the angle sequence from small to large.
10. the device as described in any one of claim 6 to 9, which is characterized in that N number of scanning direction is provided with N
A storage region, each storage region are used to store the scanning result data of a scanning direction, corresponding to each storage region
Scanning direction it is different；
The scanning element is additionally operable to：After carrying out light path scanning, if the corresponding storage region in Current Scan direction is sky,
The scanning result data in Current Scan direction are stored in the corresponding storage region in Current Scan direction, if Current Scan direction pair
The storage region answered not is sky, then replaces with the scanning result data in the corresponding storage region in Current Scan direction and currently sweep
Retouch the scanning result data in direction；
The touch point recognition unit is specifically used for：It is touched according to the scanning result data stored in N number of scanning area
Touch identification.
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201233592Y (en) * | 2008-08-05 | 2009-05-06 | 北京汇冠新技术有限公司 | Reflective light path construction used for infrared touch screen |
| CN102053762A (en) * | 2009-10-30 | 2011-05-11 | 北京汇冠新技术股份有限公司 | Infrared touch screen and touch positioning method thereof |
| CN102693048A (en) * | 2012-05-31 | 2012-09-26 | 安徽大学 | Infrared touch screen |
| CN103365492A (en) * | 2013-08-01 | 2013-10-23 | 北京东方中原教育科技有限公司 | Multi-point touch identification method for infrared touch screen |
| CN103838438A (en) * | 2014-03-25 | 2014-06-04 | 北京千里触控科技有限公司 | Infrared multi-point positioning method |
| CN103970358A (en) * | 2013-01-25 | 2014-08-06 | 北京博汇信通科技有限公司 | Optical path system for multi-point infrared touch screen and scanning detecting method |
| CN103984449A (en) * | 2014-05-30 | 2014-08-13 | 湖州佳格电子科技有限公司 | Touch screen touch area positioning method |
| CN104049808A (en) * | 2013-03-13 | 2014-09-17 | 北京汇冠新技术股份有限公司 | Optical network routing method for touch screen scanned by light ray and touch screen |
| CN104615310A (en) * | 2015-01-23 | 2015-05-13 | 青岛海信电器股份有限公司 | Method and device for determining candidate touch points |
| CN105094454A (en) * | 2014-04-17 | 2015-11-25 | 青岛海信电器股份有限公司 | Method and device for multi-point positioning of touch screen, and touch screen device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5441980B2 (en) * | 2011-10-25 | 2014-03-12 | シャープ株式会社 | Optical touch panel device, computer program, and recording medium |
-
2014
- 2014-08-15 CN CN201410404453.0A patent/CN105335020B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201233592Y (en) * | 2008-08-05 | 2009-05-06 | 北京汇冠新技术有限公司 | Reflective light path construction used for infrared touch screen |
| CN102053762A (en) * | 2009-10-30 | 2011-05-11 | 北京汇冠新技术股份有限公司 | Infrared touch screen and touch positioning method thereof |
| CN102693048A (en) * | 2012-05-31 | 2012-09-26 | 安徽大学 | Infrared touch screen |
| CN103970358A (en) * | 2013-01-25 | 2014-08-06 | 北京博汇信通科技有限公司 | Optical path system for multi-point infrared touch screen and scanning detecting method |
| CN104049808A (en) * | 2013-03-13 | 2014-09-17 | 北京汇冠新技术股份有限公司 | Optical network routing method for touch screen scanned by light ray and touch screen |
| CN103365492A (en) * | 2013-08-01 | 2013-10-23 | 北京东方中原教育科技有限公司 | Multi-point touch identification method for infrared touch screen |
| CN103838438A (en) * | 2014-03-25 | 2014-06-04 | 北京千里触控科技有限公司 | Infrared multi-point positioning method |
| CN105094454A (en) * | 2014-04-17 | 2015-11-25 | 青岛海信电器股份有限公司 | Method and device for multi-point positioning of touch screen, and touch screen device |
| CN103984449A (en) * | 2014-05-30 | 2014-08-13 | 湖州佳格电子科技有限公司 | Touch screen touch area positioning method |
| CN104615310A (en) * | 2015-01-23 | 2015-05-13 | 青岛海信电器股份有限公司 | Method and device for determining candidate touch points |
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|---|---|
| CN105335020A (en) | 2016-02-17 |
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Address after: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee after: Hisense Visual Technology Co., Ltd. Address before: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee before: QINGDAO HISENSE ELECTRONICS Co.,Ltd. |
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