CN107589930A - Multi-screen control system and method - Google Patents
Multi-screen control system and method Download PDFInfo
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- CN107589930A CN107589930A CN201710791994.7A CN201710791994A CN107589930A CN 107589930 A CN107589930 A CN 107589930A CN 201710791994 A CN201710791994 A CN 201710791994A CN 107589930 A CN107589930 A CN 107589930A
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Abstract
The present invention relates to multi-screen control system and method.The multi-screen control system includes at least two screens, screen sensor, processor and laser remote controller, and at least two screen includes viewing area, and the viewing area is used for display image；The laser remote controller launches laser beam, and the laser beam produces luminous point on any one screen at least two screen；The screen sensing is detected to the luminous point on the screen, and the luminous point detected is converted into electric signal and sent to the processor；The processor is analyzed the electric signal to obtain control information corresponding to the luminous point, controls the image at least two screen to show according to the control information.The present invention can control multiple screens by a laser remote controller, simplify equipment needed for multi-screen display system so as to reduce cost, have very strong ease of handling and equipment interoperability, use very intuitive and convenient.
Description
Technical field
The present invention relates to human-computer interaction technique field, more particularly to a kind of multi-screen control system and method.
Background technology
With the arrival of information age, the interaction technique of people and information plays more and more important role, wherein multi-screen
Curtain display system is exactly one of current most modern video signal instrument, due to the intuitive feature of itself, has been widely used
In every field.
When realizing multi-screen display system, human-computer interaction technology is essential, and this directly influences multi-screen and shown
Show efficiency, the difficulty and the applicability of intuitive and different occasions of operation that system uses.Prior art is realizing multi-screen
During curtain display system, often a screen needs to be equipped with a mouse and a keyboard, when user needs to control multiple screens,
Need to be equipped with multiple mouses, for operating multiple screens, the waste, the service efficiency that thus cause resource are low, behaviour
Make numerous and diverse and prompt for the mutual inconvenience between multiple screens, switching inconvenience.
The content of the invention
In view of this, the embodiments of the invention provide a kind of multi-screen control system and method, multi-screen can be simplified and shown
Show equipment needed for system so as to reduce cost, there is very strong ease of handling and equipment interoperability, a laser can be passed through
The multiple screens of remote control control carry out image and shown.
On the one hand, a kind of multi-screen control system, including at least two screens, screen sensor, processor and laser are distant
Control device,
At least two screen includes viewing area, and the viewing area is used for display image；
The laser remote controller, for launching laser beam, any one of the laser beam at least two screen
Luminous point is produced on screen；
The screen sensor, for being detected to the luminous point on the screen, and the luminous point detected is converted into
Electric signal is sent to the processor；
The processor, for being analyzed the electric signal to obtain control information corresponding to the luminous point, according to institute
Stating control information controls the image at least two screen to show.
Further, controlled according to the control information image at least two screen show including：
The change of image, and display mode of the control image on screen are controlled according to the control information；Wherein,
According to the control information control the change of image include moving to left image, move to right, amplify, reduce, delete,
Mark, writing or page turning；
Display mode of the image on screen is controlled to include making at least two screens conduct according to the control information
One whole screen shows to carry out image, at least two screen is separately carried out image and shows or split
At least two screen shows to carry out image.
Further, the processor determines which screen the luminous point is located on according to control information, and according to institute
The image stated on the screen that control information controls the luminous point to be located at is shown.
Further, the screen sensor detects to the position of the luminous point, shape or track, and will detect
Position, shape or the track of luminous point be converted into electric signal and send to the processor；Diverse location, shape or the rail of luminous point
Mark, or the various combination of former three, corresponding to different control information.
Further, the multi-screen control system also includes multi-screen splicing processor, and the multi-screen splicing processor connects
Receive screen layout's instruction from processor, according to screen layout's instruction control at least two screen as a whole screen come
Image is carried out to show, either control at least two screen separately carry out image show or described in split at least
Two screens show to carry out image.
Further, the laser remote controller is infrared laser pen, and the screen sensor is infrared camera.
On the other hand, the embodiments of the invention provide a kind of control method of multi-screen control system, the multi-screen control
System processed includes at least two screens, screen sensor, processor and laser remote controller, and methods described includes：
The request that the laser remote controller receives user sends laser beam, and the laser beam is at least two screen
Any one screen on produce luminous point；
The screen sensor is detected to the luminous point at least two screen, and the luminous point detected is converted
Sent for electric signal to the processor；
The processor is analyzed the electric signal to obtain control information corresponding to the luminous point, according to the control
Information controls the image at least two screen to show.
Further, controlled according to the control information image at least two screen show including：
The change of image, and display mode of the control image on screen are controlled according to the control information, wherein,
According to the control information control the change of image include moving to left image, move to right, amplify, reduce, delete,
Mark, writing or page turning；
Display mode of the image on screen is controlled to include making at least two screens conduct according to the control information
One whole screen shows to carry out image, at least two screen is separately carried out image and shows or split
At least two screen shows to carry out image.
Further, controlled according to the control information image at least two screen show including：
Determine which screen the luminous point is located on according to the control information；
The image on screen for controlling the luminous point to be located at according to the control information is shown.
Further, after the image on screen for controlling the luminous point to be located at according to the control information is shown, institute
Stating method also includes：
The processor receives screen layout's instruction of user, screen layout's instruction include instruction image it is described extremely
The instruction of display mode on few two screens；
The processor sends screen layout instruction to the multi-screen splicing processor, the multi-screen splicing processing
Device instructs according to the screen layout, controls at least two screen to be shown as a whole screen to carry out image, or control
Make at least two screen and independently carry out image and show, or segmentation at least two screen shows to carry out image
Show.
Multi-screen control system and method provided in an embodiment of the present invention, by being incident upon at least two to laser remote controller
Luminous point on screen is detected, and is sent after the luminous point detected is converted into electric signal to processor, processor is to electric signal
Analyzed to obtain control information corresponding to luminous point, control the image at least two screen to show according to the control information
Show.User only needs a laser remote controller in the present invention, it is possible to realizes to any one screen display in multiple screens
Content be controlled operation.On the one hand equipment needed for multi-screen display system is simplified so as to reduce cost, the opposing party's mask
There are very strong ease of handling and equipment interoperability, another aspect is due to having used laser remote controller, it is not necessary to laser remote controller
Operating function is realized with screen contact so that the position that multi-screen is placed is no longer by mouse lines length and screen placement location
Limitation, only laser remote controller need to be pointed to multi-screen and operation can be achieved, therefore any behaviour of different far and near distances can be realized
Make, allow user can the multiple screens of more convenient and quicker control.
Brief description of the drawings
Fig. 1 is the multi-screen control system architecture figure that one embodiment of the invention provides；
Fig. 2 is the schematic diagram that the laser remote controller that one embodiment of the invention provides is operated to one of screen；
Fig. 3 is the laser remote controller schematic diagram that one embodiment of the invention provides；
Fig. 4 is the flow chart of the control method for the multi-screen control system that another embodiment of the present invention provides.
Fig. 5 is the flow chart of the control method for the multi-screen control system that further embodiment of this invention provides.
Embodiment
Technical scheme is further described below in conjunction with embodiment.It should be appreciated that it is described herein as
Embodiment only to explain the present invention, be not intended to limit the present invention.
Multi-screen control system and method provided in an embodiment of the present invention can be used in public security (such as：Wisdom public security interacts
Formula command system), army (such as：Military combat commanding and decision-making, sand table deduction system etc.), government (such as：Smart city, friendship
The fields such as logical, fire-fighting, municipal administration, emergent, people's air defense or finance), enterprise (such as：Wisdom education, wisdom meeting, exhibition room exhibition etc.) etc.
In intelligent interaction solution.
Fig. 1 is the multi-screen control system architecture figure that one embodiment of the invention provides, and Fig. 2 is one embodiment of the invention
For the laser remote controller of offer to the schematic diagram that wherein 1 screen is operated, Fig. 3 is the laser that one embodiment of the invention provides
Remote control schematic diagram, describe multi-screen control system provided in an embodiment of the present invention in detail below in conjunction with Fig. 1-Fig. 3.
As shown in figure 1, multi-screen control system provided in an embodiment of the present invention, including at least two screen 101-n, screen
Sensor 201-m, processor 601, laser remote controller 401, wherein, n is the integer more than or equal to 2, and m is whole more than or equal to 1
Number.
Wherein, at least two screen 101-n can be any display screen or monolithic screen or polylith screen
Curtain splicing, can choose at random pre-projecting type or rear projection screen.Screen sensor 201-m can be camera, and the camera is excellent
Elect infrared camera as.The number of screen and camera is determined according to the visual angle of screen size and camera, is located at screen
In the angular field of view of camera.For example, can the corresponding cameras of two pieces of screens so that two pieces of screens are located at a camera
Angular field of view in.Or at least two screen 101-n number it is identical with camera 201-m number, and at least two screens
Curtain 101-n and camera 201-m, which is corresponded, to be set, i.e. m=n, and each screen is correspondingly arranged a camera.The shooting
The front that head can be arranged on screen can also be arranged on the rear of screen.At least two screen 101-n can be stitched together,
It can also disperse to arrange, the position of arrangement can be configured according to the needs of actual interaction scenarios, such as：Uniform intervals are arranged
Cloth, staggered etc., conveniently it is controlled and interacts as long as user can be reached.
Laser remote controller 401 is preferably laser remote-controlling pen, when camera is infrared camera, what laser remote-controlling pen was sent
Laser is infrared laser.Fig. 3 is the laser remote controller schematic diagram that one embodiment of the invention provides, as shown in figure 3, laser remote-controlled
Device 401 includes a generating laser 4001, for launching laser beam；Switch 4004, for controlling generating laser 4001
Opening and closing；Left button 4002 and right button 4003 are additionally provided with laser remote controller 401, when user presses left button 4002 or right button 4003
When, generating laser 401 can produce the laser beam for carrying different optical information accordingly, such as user presses left button 4002
Or during right button 4003, the light spot form of the laser beam sent can be different；Optical information corresponding to the left button 4002 or right button 4003
It can be detected by infrared camera.The acting as of laser remote controller 401 sends laser beam, projects the screen to be controlled
On.If as shown in Fig. 2 user wants to be operated on the screen 102, laser remote controller 401 will shape on the screen 102
Into luminous point 701, and the position of luminous point 701, track, optical information (e.g., shape) can be by corresponding infrared corresponding to right and left key
Camera 202 is detected, and infrared camera 202 can be by optics corresponding to the position, track, right and left key of the luminous point 701 detected
The information such as information are sent to processor 601.
Processor 601 receives the infrared laser pen 401 for coming from infrared camera 201-m detections in corresponding screen 101-
The information such as optical information corresponding to track, position, right and left key on n, and analysis identification is carried out to these information.For example, first
Which screen the position of the luminous point 701 of analysis identification laser remote controller 401 is located on, such as processor 601 is received and come from
The signal of luminous point 701 on screen 102, then judge that laser remote controller 401 is intended to that screen 102 is controlled and operated, and then
The information such as optical information carries out analysis identification corresponding to track, right and left key to luminous point 701, after both of the aforesaid step, shape
Into control information corresponding to luminous point.Herein, the control letter corresponding to some optical information can be stored in processor 601 in advance
Breath.For example, the various combination of the diverse location of luminous point, shape and track, or former three can be believed corresponding to different control
Breath, the diverse location of luminous point can such as be corresponded to the control to different screen：Luminous point can be pinned and do not put (including pin not
The time length put), luminous point is moved to left, and luminous point moves to right, luminous point amplifies, reduces, and luminous point is disappeared or luminous point is flashed with certain frequency
Signal, correspond to carry out image different operation or control, the operation or control to image includes carrying out a left side to image
Move, move to right, amplifying, reducing, deleting, identifying, writing or page turning etc., herein by way of example only.
Processor 601 responds the signal of luminous point, picture material is moved to left, moved to right, is amplified, is reduced, is deleted, is identified,
After the operation such as writing or page turning, the screen that the image after operation is handled transfers to luminous point to be located at is shown or transferred to all screens
Curtain display.
In certain embodiments, the processor can receive screen layout's instruction of user, screen layout's instruction
The instruction of display mode including instruction image at least two screen.For example, when have gesture W (or other in advance intend
Fixed gesture) when being captured by gesture harvester, the signal collected is sent to processor 601 by gesture harvester；
Processor 601 will analyze the signal and when it be W to identify the gesture, into window layout adjustment modes.When ensuing
Between in, user can continue gesture operation (>、<, move to left or move to right), the gesture operation is gathered by gesture harvester
And be sent to processor 601, processor 601 can according to gesture that it is identified (>、<, move to left or move to right) control luminous point institute
Screen amplify respectively, reduce, move to left, move to right, or disappear.In certain embodiments, when processor 601 is according to the identification
As a result after entering window layout adjustment modes, processor 601 can also be according to a certain gesture of gesture harvester capture, example
Such as, gesture M, the original several windows marked off in multi-screen are adjusted together.
Display mode of the control image on screen can be instructed according to the screen layout of user by being presented above processor,
Such as by adjusting display window.
In certain embodiments, screen layout's instruction of above-mentioned user can also input by other means, such as can be with
By the way that the luminous point distribution of W printed words is presented with laser remote-controlling pen on screen or writes out the luminous point of W printed words, sensed by said display
Device (infrared camera) captures the light spot signal and sends it to processor, then identifies the W signal and its correspondingly by processor
Screen layout's instruction (or control information), and control according to the screen layout instruction image at least two screen
Display mode, as previously described.
From above embodiment as can be seen that processor can associate according to the light spot signal of sensor capture and with this
Control information control the image at least two screen show, including the change according to control information control image, with
And display mode (such as by adjust display window) of the control image on screen.
The present invention other embodiments in, the partial function of aforementioned processor 601 can also split out, specially by
Multi-screen processor 501 is realized, that is, now multi-screen control system may also include multi-screen splicing processor 501, processor rings
Answer the signal of luminous point, picture material is moved to left, moved to right, is amplified, is reduced, is deleted, is identified, is write or the operation such as page turning after, will grasp
Image after dealing with transfers to multi-screen splicing processor 501 to control image display pattern of the earlier figures picture on screen.
In the present embodiment, multi-screen splicing processor 501, screen 101-n can be made to carry out image as a whole screen and shown
Show, each screen displaying part picture material, the picture material of each screen display is grouped together into one and completely shown
Diagram picture；Multi-screen splicing processor 501 can also be such that at least two screen 101-n are separately shown；Thus multi-screen
Splicing device 501 such as is spliced, combined, being split at the display function between can realizing multiple screens.
, in this application, can be by screen sensor to being incident upon at least two screens from above-mentioned technology contents
On luminous point detected, the luminous point detected is converted into after electric signal to send to processor, processor electric signal is analyzed
After obtain control information corresponding to luminous point, and control the image on screen to show according to control information.User passes through in practice
One laser remote controller can of operation realizes the content and/or display mode to any one screen display in multiple screens
It is controlled.On the one hand equipment needed for multi-screen display system is simplified so as to reduce cost, on the other hand there is very strong behaviour
Make simplification and equipment interoperability, another aspect is due to having used laser remote controller, it is not necessary to laser remote controller and screen contact
To realize operating function so that the position that multi-screen is placed no longer is limited by mouse lines length, need to only be referred to laser remote controller
Operation can be achieved to multi-screen, therefore any operation of different far and near distances can be realized, realize to the random of multiple screens
Manipulation and switching.
Fig. 4 be another embodiment of the present invention provide multi-screen control system control method flow chart, the multi-screen
Control system includes at least two screens, screen sensor, processor and laser remote controller, and it is more that this is described in detail with reference to Fig. 4
The control method of screen control system, as shown in figure 4, this method comprises the following steps：
401：The request that laser remote controller receives user sends laser beam, and the laser beam is at least two screen
Any one screen on produce luminous point.
In this step, when user needs the figure to being shown on any one screen at least two screens in viewing area
As when being operated, control laser remote controller sends laser beam, and laser beam is producing luminous point on the screen to be controlled.Should
Laser remote controller can be infrared laser pen, including a generating laser, switch and right and left key, wherein, generating laser
For launching laser beam, the opening and closing for controlling generating laser is switched, right and left key is used to play similar to mouse right and left key
Function, wherein right and left key can extraly control generating laser produce with different cross sectional shapes laser beam, such as when
When user presses left button or right button, generating laser can be produced with having different sections corresponding to left button or right button
The laser beam of shape, different cross sectional shapes make also different, the different luminous point of the shape for the luminous point that laser beam formed on screen
Shape corresponds to different control information.User can also by the shape of the luminous point come distinguish that user presses be left button also
It is right button.
402：Screen sensor is detected to the luminous point at least two screen, and the luminous point detected is converted
Sent for electric signal to the processor.
In this step, at least two screens can be any display screen or monolithic screen or polylith
Screen splicing, pre-projecting type or rear projection screen can be chosen at random.Screen sensor can be camera, preferably infrared photography
Head.The number of screen and camera is determined according to the visual angle of screen size and camera, only needs screen to be located at regarding for camera
In angular region.Preferably, at least two screens are identical with the number of camera, and screen is corresponded with camera and set
Put.The front that the camera can be arranged on screen can also be arranged on the rear of screen.At least two screens can be splicing
Form or dispersed distribution (distribution is at various spatially).
When laser remote controller is infrared laser pen, when camera is infrared camera, the laser beam of infrared laser pen transmitting
When being radiated on screen, infrared camera can detect light corresponding to the position, track and infrared laser right and left key of luminous point
Information is learned, and the optical information is converted into electric signal and sent to processor.Using the good of infrared laser pen and infrared camera
It is in the signal to noise ratio that can improve luminous point, so as to improve tracking accuracy of the infrared camera to luminous point.
403：Processor is analyzed the electric signal to obtain control information corresponding to the luminous point, according to the control
Information controls the image at least two screen to show.
In this step, processor receives the infrared laser pen for coming from infrared camera detection on corresponding screen
The information such as track, position, optical information corresponding to right and left key, and analysis identification is carried out to these information.For example, analysis is known first
Which screen the position of the luminous point of other laser remote controller is located on, such as processor receives the luminous point come from screen 102
701 signal, then judge that laser remote controller 401 is controlled and operated to screen 102, and then track, a left side to luminous point 701
The signals such as optical information corresponding to right button carry out analysis identification, after both of the aforesaid step, obtain control letter corresponding to luminous point
Breath.Herein, the control information corresponding to some optical information can be stored in processor in advance.
Do not put for example, luminous point can be pinned, luminous point moves to left, and luminous point moves to right, luminous point amplifies, reduces, and luminous point disappears or light
Point the signal such as is flashed with certain frequency, corresponds to operate image or control a series of control information of image change, institute
State the operation to image or control includes moving to left image, moving to right, amplifying, reducing, deleting, identifying, writing or page turning etc., herein
By way of example only.
The signal of processor response luminous point, picture material is moved to left, moved to right, amplified, reduced, deleted, identified, write
Or after the operation such as page turning, the screen that the image after operation is handled transfers to luminous point to be located at is shown or transferred to all screens to show
Show.
In certain embodiments, the processor can receive screen layout's instruction of user, screen layout's instruction
The instruction of display mode including instruction image at least two screen.For example, when have gesture W (or other in advance intend
Fixed gesture) when acting on screen and being captured by a gesture harvester, gesture harvester sends the signal collected
To processor；Processor will analyze the signal and when it be W to identify the signal, into window layout adjustment modes.In the case where connecing
Come time in, user can continue gesture operation (>、<, move to left or move to right), the gesture operation by gesture gather fill
Put and gather and be sent to processor, processor can according to gesture that it is identified (>、<, move to left or move to right) control luminous point institute
Screen amplify respectively, reduce, move to left, move to right, or disappear.In certain embodiments, when processor is according to the identification knot
After fruit enters window layout adjustment modes, a certain gesture that processor can also collect according to gesture harvester, for example, such as
The gesture that fruit now gathers is M, and the original several windows marked off in multi-screen are adjusted together.
Display mode of the control image on screen can be instructed according to the screen layout of user by being presented above processor,
Such as by adjusting display window.
In certain embodiments, screen layout's instruction of above-mentioned user can also input by other means, such as can be with
By the way that the luminous point distribution of W printed words is presented with laser remote-controlling pen on screen or writes out the luminous point of W printed words, sensed by said display
Device (infrared camera) captures the light spot signal and sends it to processor, then identifies the W signal and its correspondingly by processor
Screen layout's instruction (or control information), and control according to the screen layout instruction image at least two screen
Display mode, as previously described.
From above embodiment as can be seen that processor can be controlled at least two screen according to control information
Image is shown, including the change of image is controlled according to control information, and display mode of the control image on screen.
Fig. 5 be further embodiment of this invention provide multi-screen control system control method flow chart, the multi-screen
Control system includes at least two screens, screen sensor, processor, multi-screen splicing processor and laser remote controller, ties below
Fig. 5 is closed to describe the control method of this multi-screen control system in detail, as shown in figure 5, this method comprises the following steps：
Step 501：The request that laser remote controller receives user sends laser beam, and the laser beam is at least two screen
Luminous point is produced on any one screen in curtain.
Step 502：Screen sensor detects to the luminous point at least two screen, and the luminous point that will be detected
Electric signal is converted into send to the processor.
Step 503：Processor is analyzed the electric signal to obtain control information corresponding to the luminous point, according to described
Control information determines which screen the luminous point is located on.
Step 504：The image change on screen for controlling the luminous point to be located at according to the control information.
Step 505, the processor receive screen layout's instruction of user, and screen layout's instruction includes indicating image
The instruction of display mode at least two screen.
Step 506, the processor send screen layout instruction to the multi-screen splicing processor, the multi-screen
Splicing device is shown according to screen layout instruction to the content after image change.
The present embodiment step 501- steps 504 may be referred to the step 401- steps 403 in above-described embodiment, herein no longer
Repeat.
It is with the difference of the embodiment of the control method of above-mentioned multi-screen control system, multi-screen in the present embodiment
Control system also includes multi-screen splicing processor, and processor 601 responds the signal of luminous point, picture material is moved to left, move to right, put
Greatly, after the operation such as diminution, deletion, mark, writing or page turning, the image after operation is handled transfers to multi-screen splicing processor 501
Control image display pattern of the earlier figures picture on screen.Such as：When user gesture W is captured by a gesture harvester, hand
The signal collected is sent to processor by gesture harvester, and processor 601 will analyze the signal and identify that the signal is W
When, into window layout adjustment modes.In the ensuing time, user can continue gesture operation (>、<, move to left or
Move to right), the gesture operation is sent to processor, the hand that processor can identify according to it after being gathered by gesture harvester
Gesture (>、<, move to left or move to right) control multi-screen splicing processor, make multi-screen splicing processor control screen amplify respectively, reduce,
Move to left, move to right, or disappear.In certain embodiments, when processor controls multi-screen splicing processor to enter according to the recognition result
After entering window layout adjustment modes, processor can also be according to a certain other gesture of gesture harvester capture, for example, such as
The gesture that fruit now inputs is M, then the original several windows marked off in multi-screen is adjusted together.Hereafter, image becomes
Change in the window after content is displayed on adjustment.In certain embodiments, when processor enters window cloth according to the recognition result
After office's adjustment modes, processor can also be according to the further gesture of user, by a screen partition into partly carrying out figure more
As display.In certain embodiments, controller can also control at least two screens separately to carry out image and show.
In summary, multi-screen control system provided in an embodiment of the present invention, by screen sensor to being incident upon at least
Luminous point on two screens is detected, and is sent after the luminous point detected is converted into electric signal to processor, processor is to electricity
Control information corresponding to luminous point is obtained after signal analysis and the figure at least two screen is controlled according to the control information
As display.By operation of the laser remote controller to multiple screens, solving multiple screens in the prior art needs to set multiple keys
The technical problem of disk or mouse, realize simultaneously to enter the display content of one of screen of multiple screens by laser remote controller
Row operation, on the one hand simplifies equipment needed for multi-screen display system so as to reduce cost, on the other hand has very strong operation
Simplification and equipment interoperability, another aspect is due to having used laser remote controller, it is not necessary to which laser remote controller comes with screen contact
Realize operating function so that the position that multi-screen is placed no longer is limited by mouse lines length, need to only be pointed to laser remote controller
Operation can be achieved in multi-screen, therefore can realize any operation of different far and near distances.
Embodiment above is the preferred embodiment of the present invention, not thereby limits the patent protection model of the present invention
Enclose.Those skilled in the art belonging to any present invention, are not departing from the premise of spirit and scope disclosed in this invention
Under, the equivalent structure done to present disclosure and the conversion of equivalent step each fall within claimed the scope of the claims
Within.
Claims (10)
1. a kind of multi-screen control system, it is characterised in that including at least two screens, screen sensor, processor and laser
Remote control,
At least two screen includes viewing area, and the viewing area is used for display image；
The laser remote controller, for launching laser beam, any one screen of the laser beam at least two screen
Upper generation luminous point；
The screen sensor, for being detected to the luminous point on the screen, and the luminous point detected is converted into telecommunications
Number send to the processor；
The processor, for being analyzed the electric signal to obtain control information corresponding to the luminous point, according to the control
Information processed controls the image at least two screen to show.
2. multi-screen control system according to claim 1, it is characterised in that according to control information control extremely
Image on few two screens show including：
The change of image, and display mode of the control image on screen are controlled according to the control information；Wherein,
The change of image is controlled to include moving to left image, move to right, amplify, reduce, delete, marking according to the control information
Knowledge, writing or page turning；
Display mode of the image on screen is controlled to include making at least two screen as one according to the control information
Whole screen shows to carry out image, at least two screen is separately carried out image and shows or described in splitting
At least two screens show to carry out image.
3. multi-screen control system according to claim 2, the processor determines the luminous point position according to control information
Which shown in the image on screen, and on the screen for controlling the luminous point to be located at according to the control information.
4. multi-screen control system according to claim 3, it is characterised in that the screen sensor is to the luminous point
Position, shape or track are detected, and the position of the luminous point detected, shape or track are converted into electric signal and sent to institute
State processor；Diverse location, shape or the track of luminous point, or the various combination of former three, corresponding to different control information.
5. multi-screen control system according to claim 2, it is characterised in that the multi-screen control system also includes more
Shield splicing device, the multi-screen splicing processor receives screen layout's instruction from processor, instructed according to screen layout
At least two screen is controlled to be shown as a whole screen to carry out image, or the control at least two screens difference is only
On the spot carry out image to show, or segmentation at least two screen shows to carry out image.
6. the multi-screen control system according to any one in claim 1-5, it is characterised in that the laser remote controller
For infrared laser pen, the screen sensor is infrared camera.
7. a kind of control method of multi-screen control system, the multi-screen control system includes at least two screens, screen passes
Sensor, processor and laser remote controller, it is characterised in that methods described includes：
The request that the laser remote controller receives user sends laser beam, the laser beam appointing at least two screen
Luminous point is produced on one screen；
The screen sensor is detected to the luminous point at least two screen, and the luminous point detected is converted into electricity
Signal is sent to the processor；
The processor is analyzed the electric signal to obtain control information corresponding to the luminous point, according to the control information
The image at least two screen is controlled to show.
8. the control method of multi-screen control system according to claim 7, it is characterised in that according to the control information
Control the image at least two screen show including：
The change of image, and display mode of the control image on screen are controlled according to the control information, wherein,
The change of image is controlled to include moving to left image, move to right, amplify, reduce, delete, marking according to the control information
Knowledge, writing or page turning；
Display mode of the image on screen is controlled to include making at least two screen as one according to the control information
Whole screen shows to carry out image, at least two screen is separately carried out image and shows or described in splitting
At least two screens show to carry out image.
9. the control method of multi-screen control system according to claim 8, it is characterised in that according to the control information
Control the image at least two screen show including：
Determine which screen the luminous point is located on according to the control information；
The image on screen for controlling the luminous point to be located at according to the control information is shown.
10. the control method of multi-screen control system according to claim 9, it is characterised in that believed according to the control
After the image on screen that the breath control luminous point is located at is shown, methods described also includes：
The processor receives screen layout's instruction of user, and screen layout's instruction includes indicating image described at least two
The instruction of display mode on individual screen；
The processor sends screen layout instruction to the multi-screen splicing processor, the multi-screen splicing processor root
Instructed according to the screen layout, control at least two screen to be shown as a whole screen to carry out image, or control institute
State at least two screens and independently carry out image and show, or segmentation at least two screen shows to carry out image.
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