CN104898900B - A kind of method and infrared touch frame of the scanning of infrared touch frame - Google Patents
A kind of method and infrared touch frame of the scanning of infrared touch frame Download PDFInfo
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- CN104898900B CN104898900B CN201510364062.5A CN201510364062A CN104898900B CN 104898900 B CN104898900 B CN 104898900B CN 201510364062 A CN201510364062 A CN 201510364062A CN 104898900 B CN104898900 B CN 104898900B
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Abstract
The embodiment of the invention discloses the method and infrared touch frame of a kind of scanning of infrared touch frame, the efficiency of touch point is found during for improving infrared scan.Present invention method includes：Transmitter order on controller control short side direction sends infrared signal to corresponding receiver and is scanned, if without scanning to the region that is blocked on short side direction, then continue the scanning on short side direction, until on short side direction scanning to be blocked region when, control the order of the transmitter on long side direction to send infrared signal to corresponding receiver again to be scanned, afterwards, the one-dimensional coordinate on one-dimensional coordinate and short side direction that controller is blocked according to this on long side direction in region calculates the coordinate points in the region that is blocked.In the present invention, there is no touch point only to need to carry out whole scan to the short side direction of infrared touch frame before falling on infrared touch frame, because short side direction is shorter than long side direction, so as to shorten sweep time, improve the efficiency for finding touch point.
Description
Technical field
The present invention relates to touch screen technology field, more particularly to the method and infrared touch of a kind of scanning of infrared touch frame
Frame.
Background technology
Infrared touch panel (Infrared Touch Screen Technology) is by infrared on touch-screen outline border
Line is launched to be formed with receiving sensing element, and infra-red detection net is formed in screen surface, will when finger is touching screen
Vertical and horizontal two infrared rays by the position are blocked, thus may determine that coordinate position of the touch point in screen.
Infrared transmitter and infrared remote receiver are closely aligned on the frame of general touch-screen, by the control of touch-screen
Device, lights each transmitter and detects corresponding receiver can receive how many infrared light in sequence.In the prior art, one
As infrared geminate transistor touch screen scanning method, be using first scan X-direction (i.e.：Long side) Y-direction is scanned again (i.e.：Short side)
Whole scan mode carries out.Specially：Scanned successively until whole ends of scan, by taking Fig. 1 as an example, controller along scanning direction
The transmitter and receiver in X-direction are controlled, sequentially since 1 signal lamp pipe, then 2 signal lamp pipe, successively until 21 signal lamp pipes；X
Transmitter and receiver on direction is scanned, then starts the scanning of Y-direction, the scanning of Y-direction similarly from A fluorescent tubes successively
Carried out one by one to M fluorescent tubes.Just stop only when processor has got the coordinate in the region that is blocked in X-direction and Y-direction
Whole scan enters partial sweep, and ought arrive touch point without scanning in the X direction, and scanning in the Y direction can when arriving touch point
To get the coordinate in the Y-direction of touch point, at this time, it may be necessary to the scanning in an X-direction be carried out again, to obtain the touch point
X-direction on coordinate, therefore in such cases, the longest time for obtaining the coordinate of touch point is：The overall situation in X-direction is swept
Retouch the whole scan time in the whole scan time +X direction in time +Y direction.
Such scan mode is in the infrared touch frame that size is larger, infrared tube is more, due in no touch point
Whole touching box is scanned before falling, therefore sweep time is grown, and easily causes the problem of losing stroke.
The content of the invention
An embodiment of the present invention provides the method and infrared touch frame of a kind of scanning of infrared touch frame, can shorten infrared touch
Sweep time when frame finds touch point is touched, improves the efficiency for finding touch point.
In a first aspect, an embodiment of the present invention provides a kind of method of infrared touch frame scanning, including：Controller control is red
Transmitter order on the short side direction of outer touching box sends infrared signal to corresponding receiver and is scanned；If in short side side
Upwards without scanning to the region that is blocked, then the transmitter continuation on controller control infrared touch frame short side direction is sequentially to right
The receiver answered sends infrared signal and is scanned；If scanning obtains quilt to the region that is blocked, controller on short side direction
The first one-dimensional coordinate on the short side direction of occlusion area, the region that is blocked are blocked region for first；Controller control is red
Transmitter order on the long side direction of outer touching box sends infrared signal to corresponding receiver and is scanned, if in long side side
Scan up to first and be blocked region, then controller obtains first the first one-dimensional seat being blocked on the long side direction in region
Mark；The first quilt is calculated according to the first one-dimensional coordinate on the first one-dimensional coordinate and long side direction on short side direction in controller
First coordinate of occlusion area.
With reference to first aspect, in the first possible implementation of first aspect, controller is according on short side direction
The first one-dimensional coordinate and long side direction on the first one-dimensional coordinate the first the first coordinate for being blocked region be calculated include：
First is calculated according to the first one-dimensional coordinate on the first one-dimensional coordinate and long side direction on short side direction to be blocked in region
The coordinate of the coordinate of heart point or focus point, central point or focus point is the first coordinate.
With reference to first aspect or first aspect the first possible implementation, second in first aspect be possible
In implementation, if scanning is blocked region to first on short side direction, hidden on long side direction without scanning to first
Region is kept off, then order is red to the transmission of corresponding receiver again for the transmitter on the short side direction of controller control infrared touch frame
Outside line is scanned, to obtain second the second one-dimensional coordinate being blocked on the short side direction in region；Controller control is infrared to touch
Touching the transmitter on the long side direction of frame, order is scanned to corresponding receiver transmission infrared ray again, to obtain the second quilt
The second one-dimensional coordinate on the long side direction of occlusion area；Controller is according to the second one-dimensional coordinate on short side direction and long side side
The second the second coordinate for being blocked region is calculated in the second upward one-dimensional coordinate.
With reference to first aspect or first aspect the first possible implementation, the third in first aspect be possible
In implementation, controller is calculated according to the first one-dimensional coordinate on the first one-dimensional coordinate and long side direction on short side direction
The first coordinate for being blocked region to first further includes afterwards：Controller sends the first coordinate to the processor of computer.
The third possible implementation with reference to first aspect, in the 4th kind of possible implementation of first aspect
In, controller further includes after the first coordinate is sent to the processor of computer：Controller according to first be blocked region and
Itself preset value is calculated target scan areas, and target scan areas is blocked region more than first；Controller controls mesh
Mark the order of the transmitter on the short side direction of scanning area to be scanned to receiver transmission infrared ray, be blocked with obtaining the 3rd
The 3rd one-dimensional coordinate on the short side direction in region；Transmitter order on the long side direction of controller control targe scanning area
Infrared ray is sent to receiver to be scanned, to obtain the 3rd the 3rd one-dimensional coordinate being blocked on the long side direction in region；Control
Device processed calculates the 3rd according to the 3rd one-dimensional coordinate on the 3rd one-dimensional coordinate and long side direction on short side direction and is blocked region
The 3rd coordinate.
Second aspect, an embodiment of the present invention provides a kind of infrared touch frame, it is characterised in that including：
Controller, transmitter and receiver on short side direction, transmitter and receiver on long side direction；
Controller includes：
Control unit, carries out for controlling the transmitter order on short side direction to send infrared signal to corresponding receiver
Scanning, when being blocked region in no scanning on short side direction to first, controls the transmitter continuation order on short side direction
Infrared signal is sent to corresponding receiver to be scanned；Acquiring unit, for being arrived when control unit scans on short side direction
First be blocked region when, obtain first the first one-dimensional coordinate for being blocked on the short side direction in region；Control unit, is additionally operable to
Control the order of the transmitter on the long side direction of infrared touch frame to send infrared signal to corresponding receiver to be scanned；Obtain
Unit, is additionally operable to, when control unit is blocked region in scanning on long side direction to first, obtain first and be blocked region
The first one-dimensional coordinate on long side direction；Computing unit, it is one-dimensional for first on the short side direction that is obtained according to acquiring unit
The first one-dimensional coordinate on long side direction that coordinate and second acquisition unit obtain is calculated first and is blocked the first of region
Coordinate.
With reference to second aspect, in the first possible implementation of second aspect, computing unit is specifically used for：According to
The first one-dimensional coordinate on the first one-dimensional coordinate and long side direction on short side direction calculates the first central point for being blocked region
Or the coordinate of focus point, the coordinate of central point or focus point is the first coordinate.
With reference to second aspect, or second aspect the first possible implementation, second in second aspect are possible
In implementation, control unit is additionally operable to：When scanning is blocked region to first on short side direction, do not have on long side direction
Scan to first be blocked region when, control transmitter on the short side direction of infrared touch frame again order to corresponding reception
Device sends infrared ray and is scanned, to obtain second the second one-dimensional coordinate being blocked on the short side direction in region, afterwards, control
Again order is scanned transmitter on the long side direction of infrared touch frame to corresponding receiver transmission infrared ray, to obtain
Second is blocked the second one-dimensional coordinate on the long side direction in region；Computing unit, is additionally operable to according to second on short side direction
The second the second coordinate for being blocked region is calculated in the second one-dimensional coordinate on one-dimensional coordinate and long side direction.
With reference to second aspect, or second aspect the first possible implementation, the third in second aspect are possible
In implementation, controller further includes：Transmitting element, the first coordinate for computing unit to be calculated are sent to computer
Processor.
With reference to the third possible implementation of second aspect, in the 4th kind of possible implementation of second aspect
In, computing unit is additionally operable to be blocked region according to first and target scan areas is calculated in itself preset value, and target is swept
Region is retouched to be blocked more than first region；Control unit, the transmitter being additionally operable on the short side direction of control targe scanning area
Infrared ray is sent to receiver to be scanned, to obtain the 3rd the 3rd one-dimensional coordinate being blocked on the short side direction in region, it
Afterwards, the transmitter on the long side direction of control targe scanning area sends infrared ray to receiver and is scanned, to obtain the 3rd
The 3rd one-dimensional coordinate being blocked on the long side direction in region；Computing unit, is additionally operable to one-dimensional according to the 3rd on short side direction
The 3rd one-dimensional coordinate on coordinate and long side direction calculates the 3rd the 3rd coordinate for being blocked region.
As can be seen from the above technical solutions, the scheme of the embodiment of the present invention has the advantages that：
In the embodiment of the present invention, the scanning of infrared touch frame is not to scan short side direction again using first scanning long side direction
Whole scan mode, but first carry out the whole scan on the short side direction of infrared touch frame (i.e.：Transmitter on short side direction
Order sends infrared signal to corresponding receiver and is scanned), if no on short side direction scan to the region that is blocked,
Carry out the whole scan on short side direction again, until on short side direction scanning to be blocked region when, just carry out long side side again
Upward whole scan is (i.e.：Transmitter order on long side direction sends infrared signal to corresponding receiver and is scanned),
If scanning is blocked region to this on long side direction, be blocked one-dimensional coordinate on the long side direction in region and short according to this
One-dimensional coordinate on edge direction calculates the coordinate points in the region that is blocked.Therefore, touch point is not had to fall on infrared touch frame
Only need to carry out whole scan to the short side direction of infrared touch frame before lower, because short side direction is shorter than long side direction, from
And sweep time is shortened, the efficiency for finding touch point is improved, reduces and loses stroke or the short probability of stroke.
Brief description of the drawings
Fig. 1 is the schematic diagram of infrared touch frame scan method in the prior art；
Fig. 2 is a kind of flow chart of infrared touch frame scan method in the embodiment of the present invention；
Fig. 3 is another flow chart of infrared touch frame scan method in the embodiment of the present invention；
Fig. 4 is another flow chart of infrared touch frame scan method in the embodiment of the present invention；
Fig. 5 is a kind of high-level schematic functional block diagram of infrared touch frame in the embodiment of the present invention；
Fig. 6 is another high-level schematic functional block diagram of infrared touch frame in the embodiment of the present invention.
Embodiment
A kind of method and infrared touch frame scanned an embodiment of the present invention provides infrared touch frame, when being scanned for shortening
Between, improve the efficiency for finding touch point.It is described in detail separately below.
In order to make those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Attached drawing, is clearly and completely described the technical solution in the embodiment of the present invention, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's all other embodiments obtained without making creative work, should all belong to the model that the present invention protects
Enclose.
Term " first ", " second ", " the 3rd " " in description and claims of this specification and above-mentioned attached drawing
The (if present)s such as four " are for distinguishing similar object, without for describing specific order or precedence.It should manage
The data that solution so uses can exchange in the appropriate case, so that the embodiments described herein can be with except illustrating herein
Or the order beyond the content of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment need not limit
In those steps or unit for clearly listing, but may include not list clearly or for these processes, method, production
The intrinsic other steps of product or equipment or unit.
In embodiments of the present invention, infrared touch frame can be by with applied to the production such as infrared touch panel or infrared electronic white board
On product, by taking infrared touch panel as an example, infrared touch panel is that an infrared touch frame is installed in face in front of the display, infrared touch frame
Four sides are placed with infrared transmitter and infrared remote receiver, launch infrared signal by transmitter, corresponding receiver receives infrared
Signal, so as to fulfill the scanning to touch point.
In embodiments of the present invention, infrared touch frame includes controller, infrared transmitter and infrared remote receiver, infrared
Have that the width of an opposite side is longer than the width of another opposite side in four sides of touching box, on the art, the side for usually growing width
The direction at place is referred to as X-direction, and the direction where the short side of width is referred to as Y-direction, therefore, in all realities of the present invention
Apply in example, long side is stated with X-direction, short side is stated with Y-direction.
With reference to Fig. 2, a kind of one embodiment of the method for infrared touch frame scanning includes in the embodiment of the present invention：
201st, the transmitter order in the short side Y-direction of controller control infrared touch frame is sent red to corresponding receiver
External signal is scanned；
In infrared touch frame after the power is turned on, the whole scan in the Y-direction on infrared touch frame is first carried out, i.e., in Y-direction
Transmitter order sends infrared signal to corresponding receiver and is scanned.
It should be noted that the order of whole scan herein includes：Sequentially since No. 1 transmitter in Y-direction,
Then No. 2 transmitters, successively until the most end transmitter of Y-direction；Can also be since the most end transmitter of Y-direction,
Then second from the bottom transmitter, successively until No. 1 transmitter of Y-direction.
If the 202nd, the hair in infrared touch frame Y-direction is controlled without scanning to the region that is blocked, controller in the Y direction
Emitter continuation order sends infrared signal to corresponding receiver and is scanned；
If during the whole scan in Y-direction in step 201, if the reception pipe of Y-direction can receive pair
The tube-launched infrared signal answered, then illustrate without scanning to the region that is blocked at this time, to continue in Y-direction in Y-direction
Whole scan, controller control the transmitter continuation order in the Y-direction of infrared frame to send infrared signal to corresponding receiver
It is scanned, the scanning process of repeat step 201, until scanning in the Y direction untill the region that is blocked.
The 203rd, if scanning obtains first to be blocked in the Y-direction in region to the region that is blocked, controller in the Y direction
One-dimensional coordinate；
If during the whole scan of the Y-direction in step 201 or step 202, some receivers in Y-direction receive
Less than the infrared signal sent from corresponding transmitter, then it can determine that this region in Y-direction for the region that is blocked, controls at this time
Device gets the position of these reception pipes or transmitting tube, so as to obtain the coordinate in the Y-direction in the region that is blocked, this coordinate is claimed
For the first one-dimensional coordinate in Y-direction, which is referred to as first and is blocked region.
It should be noted that the first coordinate being blocked in the Y-direction in region that controller is got is generally not one
A coordinate points, but the coordinate section being made of many coordinate points, such as：From Y20=20 to Y30=30, so, in Y-direction
The first one-dimensional coordinate be an one-dimensional coordinate section.
204th, the transmitter order in the long side X-direction of controller control infrared touch frame is sent red to corresponding receiver
External signal is scanned；
After controller gets the first one-dimensional coordinate in the Y-direction in the region that is blocked scanned, then carry out infrared touch
The whole scan in the X-direction on frame is touched, i.e., the transmitter in the long side X-direction of controller control infrared touch frame is sequentially to right
The receiver answered sends infrared signal and is scanned.
It should be noted that the whole scan sequential scan in X-direction can include：Order is sent out from No. 1 in X-direction
Emitter starts, then No. 2 transmitters, successively until the most end transmitter of X-direction；It can also be the most end number hair from X-direction
Emitter starts, then second from the bottom transmitter, successively until No. 1 transmitter of X-direction.
It is blocked region if the 205, scanning in the X direction to first, controller obtains the first X-direction for being blocked region
On the first one-dimensional coordinate；
If during the whole scan of the X-direction of step 204, some receivers in X-direction are not received from correspondence
The infrared signal that sends of transmitter, then controller can get the position of these reception pipes or transmitting tube, so as to obtain the
One is blocked the coordinate in the X-direction in region, the first one-dimensional coordinate this coordinate being referred to as in X-direction.
It should be noted that the first coordinate being blocked in the X-direction in region that controller is got is generally not one
A coordinate points, but the coordinate section being made of many coordinate points, such as：From X3=3 to X13=13, so, in X-direction
First one-dimensional coordinate is an one-dimensional coordinate section.
206th, controller is calculated according to the first one-dimensional coordinate on the first one-dimensional coordinate and X-direction in Y-direction
One the first coordinate for being blocked region.
After the first one-dimensional coordinate of the controller on the first one-dimensional coordinate and X-direction on Y-direction is got, according to Y side
The first the first coordinate for being blocked region is calculated in the first one-dimensional coordinate on upward the first one-dimensional coordinate and X-direction.
In the embodiment of the present invention, the scanning of infrared touch frame is not to scan short side Y-direction again using first scanning long side X-direction
Whole scan mode, but first carry out infrared touch frame short side Y-direction on whole scan, if not sweeping in the Y direction
The region that is blocked is retouched, then carries out the whole scan in Y-direction again, if scanning is to the region that is blocked in the Y direction, then is carried out
Whole scan in long side X-direction, if the region that is blocked to this is scanned in the X direction, according to the X-direction in the region that is blocked
On one-dimensional coordinate and Y-direction on one-dimensional coordinate calculate the coordinate points in the region that is blocked.Therefore, on infrared touch frame
There is no touch point only to need to carry out whole scan to the Y-direction of infrared touch frame before falling, so as to shorten sweep time, carry
The high efficiency for finding touch point, reduces and loses stroke or the short probability of stroke.
As another embodiment, in practical applications, controller is according to the first one-dimensional coordinate and X-direction in Y-direction
On the first one-dimensional coordinate the first the first coordinate for being blocked region be calculated specifically have two methods：
First method：
First is calculated according to the first one-dimensional coordinate on the first one-dimensional coordinate and X-direction in Y-direction to be blocked region
Central point, the coordinate points using the coordinate points of central point as the region that is blocked.Wherein, the central point for calculating the region that is blocked is existing
There is technology, do not illustrate herein.
Second method：
First is calculated according to the first one-dimensional coordinate on the first one-dimensional coordinate and X-direction in Y-direction to be blocked region
Focus point, the coordinate points using the coordinate points of focus point as the region that is blocked.Wherein, the focus point for calculating the region that is blocked is existing
There is technology, do not illustrate herein.
The coordinate points in the region that is blocked obtained herein are referred to as the first coordinate points.
It should be noted that calculated according to the one-dimensional coordinate on the one-dimensional coordinate and Y-direction in the X-direction in the region that is blocked
Be blocked region coordinate points mode in addition to above two method, can also be method for distinguishing, do not limit herein specifically
It is fixed.
Above-described embodiment describes all to have scanned the situation in the region that is blocked with X-direction in the Y direction, and description below exists
Scanning is to the region that is blocked in the Y-direction in embodiment shown in Fig. 2, and does not scan the area that is blocked to this in the X direction
The situation in domain.
With reference to Fig. 3, a kind of another embodiment of the method for infrared touch frame scanning includes in present invention implementation：
Step 301 is identical to step 206 with the step 201 in the embodiment shown in Fig. 2 to step 306, specifically herein not
Repeat again.
It is blocked region if the 307, scanning in the Y direction to first, is blocked area without scanning to first in the X direction
Domain, then controller control infrared touch frame Y-direction on transmitter again order to corresponding receiver send infrared ray into
Row scanning, to obtain second the second one-dimensional coordinate being blocked in the Y-direction in region；
If scanning in the X direction to first described in step 205 in the embodiment shown in Figure 2 is blocked region
On the basis of, it is blocked region if scanning in the Y direction to first, and due to reasons such as false touches, in the X direction without scanning to the
One is blocked region, then the whole scan since in Y-direction again again, re-executes the step in the embodiment shown in Fig. 2.Tool
Body is as follows：
Again order sends infrared ray to transmitter in the Y-direction of controller control infrared touch frame to corresponding receiver
Be scanned, when in the Y direction without scanning to be blocked region when, multiple scanning Y-direction, until scanning in the Y direction
Be blocked region.
When in the Y direction scanning to be blocked region when, then obtain the one-dimensional coordinate in the Y-direction in the region that is blocked,
The region that is blocked is referred to as second to be blocked region, and by the one-dimensional coordinate in the Y-direction in the region that is blocked of acquisition
Referred to as the second one-dimensional coordinate.
It should be noted that identical with the embodiment shown in Fig. 2, the order of the whole scan in Y-direction includes：Order from
No. 1 transmitter in Y-direction starts, then No. 2 transmitters, successively until the most end transmitter of Y-direction；Can also be from
The most end transmitter of Y-direction starts, then second from the bottom transmitter, successively until No. 1 transmitter of Y-direction.
It should be noted that the second coordinate being blocked in the Y-direction in region that controller is got is generally not one
A coordinate points, but the coordinate section being made of many coordinate points, such as：From Y50=50 to Y60=60, so, in Y-direction
The second one-dimensional coordinate be an one-dimensional coordinate section.
308th, order is red to the transmission of corresponding receiver again for the transmitter in the X-direction of controller control infrared touch frame
Outside line is scanned, to obtain second the second one-dimensional coordinate being blocked in the X-direction in region；
After controller gets the first one-dimensional coordinate in the Y-direction for being blocked region scanned, then carry out infrared
Transmitter in the X-direction of the whole scan in X-direction in touching box, i.e. controller control infrared touch frame is sequentially to correspondence
Receiver send infrared signal be scanned.
It should be noted that the whole scan sequential scan in X-direction can include：Order is sent out from No. 1 in X-direction
Emitter starts, then No. 2 transmitters, successively until the most end transmitter of X-direction；It can also be the most end number hair from X-direction
Emitter starts, then second from the bottom transmitter, successively until No. 1 transmitter of X-direction.
If during the whole scan of X-direction, the receiver of the second occlusion area in X-direction will not be received from right
The infrared signal that the transmitter answered is sent, then controller can get the position of these reception pipes or transmitting tube, so as to obtain
First is blocked the coordinate in the X-direction in region, the second one-dimensional coordinate this coordinate being referred to as in X-direction.
It should be noted that the second coordinate being blocked in the X-direction in region that controller is got is generally not one
A coordinate points, but the coordinate section being made of many coordinate points, such as：From X5=5 to X15=15.
309th, controller is calculated according to the second one-dimensional coordinate on the second one-dimensional coordinate and X-direction in Y-direction
Two the second coordinates for being blocked region.
After the second one-dimensional coordinate of the controller on the second one-dimensional coordinate and X-direction on Y-direction is got, according to Y side
The second coordinate for being blocked region is calculated in the second one-dimensional coordinate on upward the second one-dimensional coordinate and X-direction, this is sat
Mark is referred to as the second coordinate.
It should be noted that calculating second is blocked, the concrete mode of the coordinate in region can be：According in Y-direction
The second one-dimensional coordinate on two one-dimensional coordinates and X-direction calculates the second central point or focus point for being blocked region, by central point
Or coordinate points of the coordinate points of focus point as the region that is blocked.
In the embodiment of the present invention, infrared touch frame has scanned the region that is blocked in the Y direction, does not sweep in the X direction
Retouch this be blocked region when, then restart the whole scan in Y-direction, if in the Y direction without scanning to the area that is blocked
Domain, repeats scanning Y-direction, until in Y-direction scanning to second be blocked region when, be further continued for scanning X-direction.So that
In the case of not obtaining by the coordinate points of the first occlusion area, the step of being further continued for returning to scanning Y-direction, multiple scanning Y side
To until finding that second is blocked region, because Y-direction is shorter than X-direction, accordingly, with respect to the first scanning X side of the prior art
To then scanning the mode of Y-direction, the embodiment of the present invention, which is conducive to improve, to be found to be blocked the efficiency in region.
It is described in step 206 on the basis of the scene of the embodiment description shown in Fig. 2 as another embodiment
Controller is calculated first according to the first one-dimensional coordinate on the first one-dimensional coordinate and X-direction in Y-direction and is blocked region
The first coordinate after, controller sends the first coordinate to the processor of computer, so that computer can be by this coordinate
Point shows on infrared touch panel or infrared electronic white board.
Optionally, as another embodiment, on the basis of the scene of the embodiment description shown in Fig. 3, in step 306 institute
The controller of description is calculated second according to the second one-dimensional coordinate on the second one-dimensional coordinate and X-direction in Y-direction and is hidden
Keep off after second coordinate in region, controller sends the second coordinate to the processor of computer, so that computer can incite somebody to action
This coordinate points shows on infrared touch panel or infrared electronic white board.
Controller, in order to improve the efficiency of scanning, only carries out the region that is blocked after the coordinate in region that obtained being blocked
The partial sweep in the region at place, is detailed below the process of partial sweep.
With reference to Fig. 4, a kind of another embodiment of the method for infrared touch frame scanning includes in present invention implementation：
Step 401 is identical to step 206 with the step 201 in the embodiment shown in Fig. 2 to step 406, specifically herein not
Repeat again.
407th, controller is blocked region according to first and target scan areas is calculated in itself preset value, and target is swept
Region is retouched to be blocked more than first region；
Controller is obtaining the first the first coordinate for being blocked region, and the first coordinate is sent to the processor of computer
Afterwards, the partial sweep in the region for starting to be blocked where region, because the touch area of user, the region that is blocked is continuous
It is mobile, so needing to be blocked on the basis of region first, expand region of the scanning area as partial sweep, specially：
Controller is blocked the coordinate value in region according to first and target scan areas is calculated in the value of itself pre-value, the targeted scans
Region is blocked region more than first.
408th, the transmitter order in the Y-direction of controller control targe scanning area sends infrared ray to receiver and carries out
Scanning, to obtain the 3rd the 3rd one-dimensional coordinate being blocked in the Y-direction in region；
Controller is after the target scan areas of partial sweep is determined, then in the Y-direction of control targe scanning area
Transmitter order sends infrared ray to receiver and is scanned, if having scanning to the region that is blocked, obtains the region that is blocked
Y-direction on one-dimensional coordinate, which is referred to as the 3rd and is blocked region, the one-dimensional coordinate in this Y-direction claims
For the 3rd one-dimensional coordinate in Y-direction.
409th, the transmitter order in the X-direction of controller control targe scanning area sends infrared ray to receiver and carries out
Scanning, to obtain the 3rd the 3rd one-dimensional coordinate being blocked in the X-direction in region；
Partial sweep of the controller on Y-direction is completed, after obtaining the 3rd one-dimensional coordinate in Y-direction, then carries out X
Partial sweep on direction, the transmitter order in the X-direction of control targe scanning area send infrared ray to receiver and carry out
Scanning, if having scanning to the region that is blocked, obtains the one-dimensional coordinate in the X-direction in the region that is blocked, by the one-dimensional coordinate
The 3rd one-dimensional coordinate referred to as in X-direction.
410th, controller calculates the 3rd quilt according to the 3rd one-dimensional coordinate on the 3rd one-dimensional coordinate and X-direction in Y-direction
3rd coordinate of occlusion area.
Controller is after the scanning of target scan areas is completed, the Y-direction in the region that is blocked according to the get the 3rd
On the 3rd one-dimensional coordinate and X-direction on the 3rd one-dimensional coordinate calculate the 3rd coordinate for being blocked region, this coordinate is referred to as
For the 3rd coordinate.
It should be noted that the embodiment shown in the mode and Fig. 2 of coordinates computed or the calculating in the embodiment shown in Fig. 3
Mode is identical, and details are not described herein again.
In the embodiment of the present invention, after the coordinate that whole scan gets the region that is blocked, into partial sweep, according to pre-
If value expand and be blocked region to obtain target scan areas, then target scan areas is scanned since Y-direction, afterwards again from
X-direction scans target scan areas, is blocked region and the 3rd coordinate for being blocked region so as to obtain the 3rd.So as to pass through office
Scan the scan efficiency for improving coordinate points in portion.
Above is the description of the scan method of the infrared touch frame of the embodiment of the present invention, below slave module functional entity
The infrared touch frame in the embodiment of the present invention is described in angle.
With reference to Fig. 5, a kind of one embodiment of infrared touch frame 5 includes in the embodiment of the present invention：
Controller 501, transmitter 502 and receiver 503 in short side Y-direction, transmitter 504 in long side X-direction with
Receiver 505.
Wherein, controller 501 is used to control 502 order of transmitter in short side Y-direction to send to corresponding receiver 503
Infrared signal is scanned, if controlling the transmitter 502 in Y-direction to continue without scanning to the region that is blocked in the Y direction
Order sends infrared signal to corresponding receiver 503 and is scanned, if scanning is obtained to the region that is blocked in the Y direction
The first one-dimensional coordinate being blocked in the Y-direction in region, and control the transmitter 504 in the long side X-direction of infrared touch frame suitable
Sequence sends infrared signal to corresponding receiver 505 and is scanned, if scanning in the X direction to the region that is blocked, controller
The first one-dimensional coordinate being blocked in the X-direction in region is obtained, further according on the first one-dimensional coordinate and X-direction in Y-direction
First coordinate in the region that is blocked is calculated in first one-dimensional coordinate, wherein, the region that is blocked is blocked region for first.
In the embodiment of the present invention, infrared touch frame controls 502 order of transmitter in Y-direction to connecing by controller 501
The transmitting of device 503 infrared signal is received to be scanned, if continuing to scan on Y-direction without scanning to the region that is blocked in the Y direction,
When being blocked region until scanning in the Y direction, controller 501 controls 504 order of transmitter in X-direction to receiver again
505 transmission infrared signals are scanned, so as to obtain the coordinate in the region that is blocked.Therefore, do not touched on infrared touch frame
Point fall before, be not as it is of the prior art first scanning X-direction scan Y-direction again, but only that the Y to infrared touch frame
Direction carries out whole scan, so as to shorten sweep time, improves the efficiency for finding touch point, reduces and lose stroke or pen
Draw short probability.
With reference to Fig. 6, a kind of one embodiment of infrared touch frame 6 includes in the embodiment of the present invention：
Controller 601, transmitter 602 and receiver 603 in short side Y-direction, transmitter 604 in long side X-direction with
Receiver 604.
Wherein, controller 601 includes：
Control unit 6011, for controlling 602 order of transmitter in short side Y-direction to be sent to corresponding receiver 603
Infrared signal is scanned, when in the Y direction without scanning to first be blocked region when, control Y-direction on transmitter 602
Continuation order sends infrared signal to corresponding receiver 603 and is scanned；
Acquiring unit 6012, for when control unit 6011 scan in the Y direction to first be blocked region when, obtain the
One is blocked the first one-dimensional coordinate in the Y-direction in region；
Control unit 6011, is additionally operable to 604 order of transmitter in the long side X-direction of control infrared touch frame to corresponding
Receiver 605 sends infrared signal and is scanned；
Acquiring unit 6012, be additionally operable to when control unit 6011 scan in the X direction to first be blocked region when, obtain
First is blocked the first one-dimensional coordinate in the X-direction in region；
Computing unit 6013, is obtained for the first one-dimensional coordinate and second in the Y-direction that is obtained according to acquiring unit 6012
Take the first one-dimensional coordinate in the X-direction that unit obtains that the first the first coordinate for being blocked region is calculated.
The interaction between each module of message server of the present invention is described with a specific application scenarios below：
Include controller 601, the transmitter 602 in short side Y-direction and receiver 603, long side X in infrared touch frame 6
Transmitter 604 and receiver 604 on direction.There is the width of an opposite side in four sides of infrared touch frame 6 than another opposite side
Width is wide, in the art, the direction where the side of width length usually is referred to as X-direction, by where the short side of width
Direction is referred to as Y-direction.
In infrared touch frame 6 after the power is turned on, the whole scan in the Y-direction on infrared touch frame 6, i.e. control unit are first carried out
602 order of transmitter in 6011 control Y-directions sends infrared signal to corresponding receiver 603 and is scanned.
It should be noted that the order of whole scan herein includes：Sequentially since No. 1 transmitter in Y-direction,
Then No. 2 transmitters, successively until the most end transmitter of Y-direction；Can also be since the most end transmitter of Y-direction,
Then second from the bottom transmitter, successively until No. 1 transmitter of Y-direction.
If during whole scan in the Y direction, if the reception pipe 603 of Y-direction can receive corresponding transmitting
The infrared signal that pipe 602 is launched, then illustrate at this time, to continue the overall situation in Y-direction without scanning to the region that is blocked in Y-direction
Scanning, control unit 6011 control 602 continuation of the transmitter order in the Y-direction of infrared frame to be sent to corresponding receiver 603
Infrared signal is scanned, and scanning process global in Y-direction is repeated, until scanning in the Y direction untill the region that is blocked.
If during the whole scan of Y-direction, some receivers 603 in Y-direction are not received from corresponding transmitter
The infrared signal of transmission, then can determine that this region in Y-direction as the region that is blocked, acquiring unit 6012 gets these at this time
The position of reception pipe or transmitting tube, so as to obtain the coordinate in the Y-direction in the region that is blocked, this coordinate is referred to as in Y-direction
The first one-dimensional coordinate, which is referred to as first and is blocked region.
It should be noted that the first coordinate being blocked in the Y-direction in region that acquiring unit 6012 is got is usually simultaneously
It is not a coordinate points, but the coordinate section being made of many coordinate points, such as：From Y20=20 to Y30=30, so, Y
The first one-dimensional coordinate on direction is an one-dimensional coordinate section.
After acquiring unit 6012 gets the first one-dimensional coordinate in the Y-direction in the region that is blocked scanned, controller
601 carry out the whole scan in the X-direction on infrared touch frame again, i.e. control unit 6011 controls the long side X of infrared touch frame 6
604 order of transmitter on direction sends infrared signal to corresponding receiver 605 and is scanned.
It should be noted that the whole scan sequential scan in X-direction can include：Order is sent out from No. 1 in X-direction
Emitter starts, then No. 2 transmitters, successively until the most end transmitter of X-direction；It can also be the most end number hair from X-direction
Emitter starts, then second from the bottom transmitter, successively until No. 1 transmitter of X-direction.
If during the whole scan of X-direction, some receivers 605 in X-direction are not received from corresponding transmitter
604 infrared signals sent, then acquiring unit 6012 can get the position of these reception pipes or transmitting tube, so as to obtain the
One is blocked the coordinate in the X-direction in region, the first one-dimensional coordinate this coordinate being referred to as in X-direction.
It should be noted that the first coordinate being blocked in the X-direction in region that acquiring unit 6012 is got is usually simultaneously
It is not a coordinate points, but the coordinate section being made of many coordinate points, such as：From X3=3 to X13=13, so, X side
The first upward one-dimensional coordinate is an one-dimensional coordinate section.
After the first one-dimensional coordinate of the acquiring unit 6012 on the first one-dimensional coordinate and X-direction on Y-direction is got, meter
Calculation unit 6013 is calculated first according to the first one-dimensional coordinate on the first one-dimensional coordinate and X-direction in Y-direction and is blocked
First coordinate in region.
In the embodiment of the present invention, controller 601 includes control unit 6011, acquiring unit 6012 and computing unit 6013,
Control 602 order of transmitter in Y-direction to launch infrared signal to receiver 603 by control unit 6011 to be scanned, if
Y-direction is then continued to scan on, until scanning the region that is blocked in the Y direction to the region that is blocked without scanning in the Y direction
When, controller 601 controls 604 order of transmitter in X-direction to send infrared signal to receiver 605 and is scanned again, obtains
Unit 6012 scan in the Y direction to be blocked region when, the first one-dimensional coordinate for being blocked in the Y-direction in region is obtained, in X
Side is scanned up when being blocked region, obtains the first one-dimensional coordinate being blocked in the X-direction in region, computing unit 6013 is again
First in X-direction obtained according to the first one-dimensional coordinate in the Y-direction of the acquisition of acquiring unit 6012 and second acquisition unit
The first the first coordinate for being blocked region is calculated in one-dimensional coordinate.Therefore, touch point is not had to fall it on infrared touch frame
Before, it is only necessary to whole scan is carried out to the Y-direction of infrared touch frame, so as to shorten sweep time, improves and finds touch point
Efficiency, reduce and lose stroke or the short probability of stroke.
Optionally, it is specifically used for as another embodiment, computing unit 6013：According to the first one-dimensional seat in Y-direction
The first one-dimensional coordinate on mark and X-direction calculates first and is blocked the central point in region or the coordinate of focus point, this central point or
The coordinate of focus point is the first coordinate.
Optionally, as another embodiment, it is blocked region when control unit 6011 is scanned to first in the Y direction,
In the X direction without scanning to first be blocked region when, control infrared touch frame Y-direction on transmitter 602 it is again suitable
Sequence sends infrared ray to corresponding receiver 603 and is scanned, and second to be blocked with acquisition second in the Y-direction in region is one-dimensional
Coordinate, afterwards, control unit 6011 control the transmitter 604 in the X-direction of infrared touch frame again sequentially to corresponding reception
Device 605 sends infrared ray and is scanned, to obtain second the second one-dimensional coordinate being blocked in the X-direction in region；Computing unit
6013 are additionally operable to be calculated second according to the second one-dimensional coordinate on the second one-dimensional coordinate and X-direction in Y-direction and are blocked
Second coordinate in region.
Optionally, transmitting element (not shown) is further included as another embodiment, controller 601, it is single for that will calculate
The first coordinate that member 6013 is calculated is sent to the processor of computer.
Optionally, as another embodiment, computing unit 6013 is additionally operable to be blocked region and itself is pre- according to first
The value put is calculated target scan areas, and target scan areas is blocked region more than first；Control unit 6011 is additionally operable to
Transmitter 602 in the Y-direction of control targe scanning area sends infrared ray to receiver 503 and is scanned, to obtain the 3rd
The 3rd one-dimensional coordinate being blocked in the Y-direction in region, afterwards, transmitter 604 in the X-direction of control targe scanning area to
Receiver 605 sends infrared ray and is scanned, to obtain the 3rd the 3rd one-dimensional coordinate being blocked in the X-direction in region；Calculate
Unit 6013 is additionally operable to be blocked according to the 3rd one-dimensional coordinate calculating the 3rd on the 3rd one-dimensional coordinate and X-direction in Y-direction
3rd coordinate in region.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, may be referred to the corresponding process in preceding method embodiment, details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be with
Realize by another way.For example, device embodiment described above is only schematical, for example, the unit
Division, is only a kind of division of logic function, can there is other dividing mode, such as multiple units or component when actually realizing
Another system can be combined or be desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be the indirect coupling by some interfaces, device or unit
Close or communicate to connect, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separate, be shown as unit
The component shown may or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
In network unit.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units integrate in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and is used as independent production marketing or use
When, it can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part to contribute in other words to the prior art or all or part of the technical solution can be in the form of software products
Embody, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server, or network equipment etc.) performs the complete of each embodiment the method for the present invention
Portion or part steps.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to before
Embodiment is stated the present invention is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding
State the technical solution described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical solution.
Claims (10)
- A kind of 1. method of infrared touch frame scanning, it is characterised in that including：Controller control infrared touch frame short side direction on transmitter order to corresponding receiver send infrared signal into Row scanning；If the infrared touch frame short side is controlled without scanning to the region that is blocked, the controller on the short side direction Transmitter continuation order on direction sends infrared signal to corresponding receiver and is scanned；If the region that is blocked is arrived in scanning on the short side direction, the short side side in the region that is blocked described in controller acquisition The first upward one-dimensional coordinate, the region that is blocked are blocked region for first；It is red that the controller controls the transmitter order on the long side direction of the infrared touch frame to be sent to corresponding receiver External signal is scanned, if scanning is blocked region to described first on the long side direction, the controller acquisition institute State first the first one-dimensional coordinate being blocked on the long side direction in region；The controller is according to the first one-dimensional coordinate on the first one-dimensional coordinate and the long side direction on the short side direction The described first the first coordinate for being blocked region is calculated.
- 2. the method for a kind of infrared touch frame scanning according to claim 1, it is characterised in that the controller is according to institute State the first one-dimensional coordinate on the first one-dimensional coordinate and the long side direction on short side direction and be calculated described first and hidden First coordinate in gear region includes：Described the is calculated according to the first one-dimensional coordinate on the first one-dimensional coordinate and the long side direction on the short side direction One is blocked the central point in region or the coordinate of focus point, and the coordinate of the central point or focus point is first coordinate.
- 3. the method for infrared touch frame scanning according to claim 1 or 2, it is characterised in that the method further includes：If scanning is blocked region to described first on the short side direction, arrived on the long side direction without scanning described in First is blocked region, then the controller control transmitter on the short side direction of the infrared touch frame again order to right The receiver answered sends infrared ray and is scanned, to obtain second the second one-dimensional coordinate being blocked on the short side direction in region；The controller controls the transmitter on the long side direction of the infrared touch frame sequentially to be sent out again to corresponding receiver Infrared ray is sent to be scanned, to obtain described second the second one-dimensional coordinate being blocked on the long side direction in region；The controller is according to the second one-dimensional coordinate on the second one-dimensional coordinate and the long side direction on the short side direction The described second the second coordinate for being blocked region is calculated.
- A kind of 4. method of infrared touch frame scanning according to claim 1 or 2, it is characterised in that the controller root Described hidden is calculated according to the first one-dimensional coordinate on the first one-dimensional coordinate and the long side direction on the short side direction The first coordinate for keeping off region further includes afterwards：The controller sends the first first coordinate to the processor of computer.
- 5. the method for a kind of infrared touch frame scanning according to claim 4, it is characterised in that the controller is by described in First coordinate further includes after sending to the processor of computer：The controller is blocked region according to described first and target scan areas, the mesh is calculated in itself preset value Mark scanning area is blocked region more than described first；The controller controls the transmitter order on the short side direction of the target scan areas to send infrared ray to receiver It is scanned, to obtain the 3rd the 3rd one-dimensional coordinate being blocked on the short side direction in region；The controller controls the transmitter order on the long side direction of the target scan areas to send infrared ray to receiver It is scanned, to obtain the 3rd the 3rd one-dimensional coordinate being blocked on the long side direction in region；The controller is according to the 3rd one-dimensional coordinate on the 3rd one-dimensional coordinate and the long side direction on the short side direction Calculate the described 3rd the 3rd coordinate for being blocked region.
- A kind of 6. infrared touch frame, it is characterised in that including：Controller, transmitter and receiver on short side direction, transmitter and receiver on long side direction；The controller includes：Control unit, carries out for controlling the transmitter order on the short side direction to send infrared signal to corresponding receiver Scanning, when being blocked region in no scanning on the short side direction to first, controls the transmitter on the short side direction Continuation order sends infrared signal to corresponding receiver and is scanned；Acquiring unit, for when control unit is blocked region in scanning on the short side direction to described first, obtaining institute State first the first one-dimensional coordinate being blocked on the short side direction in region；Described control unit, is additionally operable to control the transmitter on the long side direction of the infrared touch frame sequentially to corresponding reception Device sends infrared signal and is scanned；The acquiring unit, is additionally operable to when control unit is blocked region in scanning on the long side direction to described first, Obtain described first the first one-dimensional coordinate being blocked on the long side direction in region；Computing unit, for the first one-dimensional coordinate on the short side direction that is obtained according to the acquiring unit and the acquisition The described first the first coordinate for being blocked region is calculated in the first one-dimensional coordinate on the long side direction that unit obtains.
- 7. a kind of infrared touch frame according to claim 6, it is characterised in that the computing unit is specifically used for：Described the is calculated according to the first one-dimensional coordinate on the first one-dimensional coordinate and the long side direction on the short side direction One is blocked the central point in region or the coordinate of focus point, and the coordinate of the central point or focus point is first coordinate.
- 8. a kind of infrared touch frame according to claim 6 or 7, it is characterised in that described control unit is additionally operable to：When scanning is blocked region to described first on the short side direction, arrived on the long side direction without scanning described in First be blocked region when, control transmitter on the short side direction of the infrared touch frame again order to corresponding receiver Send infrared ray to be scanned, to obtain second the second one-dimensional coordinate being blocked on the short side direction in region, afterwards, control institute Stating the transmitter on the long side direction of infrared touch frame, order is scanned to corresponding receiver transmission infrared ray again, to obtain Take described second the second one-dimensional coordinate being blocked on the long side direction in region；The computing unit, is additionally operable to according to second on the second one-dimensional coordinate and the long side direction on the short side direction The described second the second coordinate for being blocked region is calculated in one-dimensional coordinate.
- 9. a kind of infrared touch frame according to claim 6 or 7, it is characterised in that the controller further includes：Transmitting element, the first coordinate for the computing unit to be calculated are sent to the processor of computer.
- A kind of 10. infrared touch frame according to claim 9, it is characterised in that：The computing unit, is additionally operable to be blocked region according to described first and targeted scans area is calculated in itself preset value Domain, the target scan areas are blocked region more than described first；Described control unit, is additionally operable to control the transmitter on the short side direction of the target scan areas to be sent to receiver red Outside line is scanned, and to obtain the 3rd the 3rd one-dimensional coordinate being blocked on the short side direction in region, afterwards, controls the target Transmitter on the long side direction of scanning area sends infrared ray to receiver and is scanned, and is blocked area with obtaining the described 3rd The 3rd one-dimensional coordinate on the long side direction in domain；The computing unit, is additionally operable to according to the 3rd on the 3rd one-dimensional coordinate and the long side direction on the short side direction One-dimensional coordinate calculates the described 3rd the 3rd coordinate for being blocked region.
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| CN105426147B (en) * | 2015-11-09 | 2019-04-16 | Tcl新技术（惠州）有限公司 | A kind of splicing display device and control method |
| CN105404433B (en) * | 2015-12-04 | 2019-06-07 | 青岛海信电器股份有限公司 | A kind of touch control identification method and display device based on infrared touch panel |
| CN105869206B (en) * | 2016-04-12 | 2018-09-18 | 广州华欣电子科技有限公司 | three-dimensional rebuilding method and device |
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| JP5157025B2 (en) * | 2009-01-20 | 2013-03-06 | 日東電工株式会社 | Optical coordinate input device |
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