CN110471640A - A kind of multi-screen interaction method and its system - Google Patents

A kind of multi-screen interaction method and its system Download PDF

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Publication number
CN110471640A
CN110471640A CN201910729184.8A CN201910729184A CN110471640A CN 110471640 A CN110471640 A CN 110471640A CN 201910729184 A CN201910729184 A CN 201910729184A CN 110471640 A CN110471640 A CN 110471640A
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China
Prior art keywords
clipboard
touch
machine
control
data packet
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Granted
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CN201910729184.8A
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Chinese (zh)
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CN110471640B (en
Inventor
李君�
汤彬
郭家玮
张丽婵
曾冉冉
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SCT OPTRONICS Co Ltd
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SCT OPTRONICS Co Ltd
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Publication of CN110471640A publication Critical patent/CN110471640A/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00—Electrically-operated educational appliances
    • G09B5/08—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations
    • G09B5/14—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations with provision for individual teacher-student communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/048—Indexing scheme relating to G06F3/048
    • G06F2203/04803—Split screen, i.e. subdividing the display area or the window area into separate subareas

Abstract

A kind of multi-screen interaction method and its system, wherein method includes the following steps: judging whether to recognize the device id of clipboard；If so, the display screen of touch-control all-in-one machine to be averagely divided into the display area of identical quantity according to the quantity of the device id of the clipboard recognized；Judge whether to receive the data packet that clipboard is sent；If so, successively parsing the data packet that each clipboard is sent, it is parsed into the operation information with touch-control all-in-one machine respective modules；Matching executes operation information in each display area one by one in that same order.Multi-screen interaction method and its system provided by the invention save the person of giving lessons and walk about with writing on the blackboard/time of annotation and learner walk about the to put question to/time answered, and increase classroom interaction, improve efficiency of teaching and teaching quality.

Description

A kind of multi-screen interaction method and its system
Technical field
The present invention relates to the technical fields of multimedia interactive, more particularly to a kind of multi-screen interaction method and its system.
Background technique
In existing teaching field, with the development of science and technology traditional black board teaching is gradually substituted by multimedia teaching, In, elementary teaching platform of the interactive whiteboard all-in-one machine as IT application in education sector had not only efficiently solved large scale and has shown problem, but also Best writing effect is realized, is especially suitable for the town and country of educational information weak foundation, the vast middle and primary schools of rural area, improves Area Education Informatization integral level effectively facilitates educational Equilibriumization development.
Existing teaching equipment setting is all: interactive whiteboard all-in-one machine is arranged at dais, and the person of giving lessons is interactive white Writing on the blackboard and demonstration lecture contents are done on plate all-in-one machine, and during the process of giving lessons for the person of giving lessons/patrol class, the person of giving lessons and learner Between will necessarily generate interaction, but regardless of the writing on the blackboard demonstration for being the person of giving lessons/explanation annotation or learner enquirement/answer all It needs in the above-mentioned interactive whiteboard one hands- operation being arranged at dais, therefore will exist in this interactive process and award The ambulatory of class person and the learner big distance in classroom, that is, time in classroom can be expended, but will influence teaching quality and Reduce efficiency of teaching.
Summary of the invention
The purpose of the present invention is overcoming the shortcomings of in above-mentioned background technique, a kind of multi-screen interaction method and its system are provided, The multi-screen interaction method and its system, which save the person of giving lessons, is walked about and is walked about with writing on the blackboard/annotation time and learner with enquirement/work The time answered increases classroom interaction, improves efficiency of teaching and teaching quality.
To achieve the goals above, the invention provides the following technical scheme:
A kind of multi-screen interaction method, comprising the following steps: judge whether to recognize the device id of clipboard；If so, according to The display screen of touch-control all-in-one machine is averagely divided into the display of identical quantity by the quantity of the device id of the clipboard recognized Region；Judge whether to receive the data packet that the clipboard is sent；If so, successively each clipboard is transmitted The data packet to come over is parsed, and the operation information with the touch-control all-in-one machine respective modules is parsed into；According to identical Matching executes the operation information in each display area to sequence one by one.
Further, the step of device id for judging whether to recognize clipboard further include: if it is not, then prompt mistake with And stop subsequent all steps.
Further, described to judge whether the step of receiving the data packet that the clipboard is sent further include: if it is not, Then stop subsequent all steps.
Further, the step of device id for judging whether to recognize clipboard includes: that the clipboard is equipped with touch Frame apparatus, if the operation information for touching frame apparatus and collecting user, passes through usb protocol or wireless transmission protocol for equipment ID is sent to the touch-control all-in-one machine, and the touch-control all-in-one machine then recognizes the device id of the clipboard.
Further, the step of device id for judging whether to recognize clipboard includes: that the clipboard is assisted by USB Device id is sent to the touch-control all-in-one machine by view or wireless transmission protocol, and the touch-control all-in-one machine then recognizes the clipboard Device id.
Further, described to judge whether that the step of receiving the data packet that the clipboard is sent includes: the book It writes plate and is equipped with touch frame apparatus, if the operation information for touching frame apparatus and collecting user, forms data packet and pass through USB again Agreement or wireless transmission protocol are sent to the touch-control all-in-one machine, and the touch-control all-in-one machine then recognizes the data packet.
Further, the step of operation information being parsed into the touch-control all-in-one machine respective modules includes: the touching It controls all-in-one machine and passes through whiteboard applications software for the resolve packet into point corresponding with the display module of the touch-control all-in-one machine Information, or further include the touch-control all-in-one machine by whiteboard applications software by the resolve packet at it is described touch control integrated The corresponding functional information of the functional module of machine.
A kind of multi-screen interactive system, including touch-control all-in-one machine and clipboard, the touch-control all-in-one machine and the clipboard have Line connection is wirelessly connected；Wherein, the touch-control all-in-one machine includes: first judgment module, described for judging whether to recognize The device id of clipboard；First processing module, for the quantity according to the device id of the clipboard recognized, by the touching The display screen of control all-in-one machine is averagely divided into the display area of identical quantity；Second judgment module is received for judging whether The data packet that the clipboard is sent；Parsing module, described in successively being sent each clipboard Data packet is parsed, and the operation information with the touch-control all-in-one machine respective modules is parsed into；Second processing module, for according to Identical sequence matches one by one executes the operation information in each display area.The clipboard includes: acquisition module, The data information operated on the clipboard for acquiring user in real time, forms the data packet；Transmission module, for transmitting The data packet is to the touch-control all-in-one machine.
Further, the display area is grid-shaped arranges or from left to right successively arranges.
Beneficial effects of the present invention:
Multi-screen interaction method and its system provided by the invention, wherein exchange method is the following steps are included: S1: judging whether Recognize the device id of clipboard；S2: if so, according to the quantity of the device id of the clipboard recognized, by touch-control all-in-one machine Display screen is averagely divided into the display area of identical quantity；S3: judge whether to receive the data packet that clipboard is sent； S4: it if so, successively parsing the data packet that each clipboard is sent, is parsed into and touch-control all-in-one machine respective modules Operation information；S5: matching executes operation information in each display area one by one in that same order.Therefore, touch control integrated The display screen of touch-control all-in-one machine can be divided by machine when judgement is connected to clipboard according to the number for the clipboard being connected to The display area of identical quantity, further according to the clipboard connected sequencing by the operation information data of user on clipboard Packet is parsed, and the written contents on clipboard is sequentially displayed in each display area of touch-control all-in-one machine, therefore make When with the interactive intelligent blackboard for education system, the person of giving lessons can the writing on the blackboard in interactive all-in-one machine, learner can be any one A to write on hithermost clipboard to be answered and be putd question to, at the same time, the written contents on clipboard can transmit It is shown onto interactive all-in-one machine, and in display screen one by one matched display area, the person of giving lessons need to only solve on all-in-one machine at this time Release can, learner does not need to go on dais, facilitates the learner of different location in classroom that can be clearly seen above-mentioned Content in interactive process；, can be most close in distance in addition, if the person of giving lessons needs to do annotation during class patrols or writing on the blackboard is explained Clipboard on operated nearby, and be not limited to the only interactive all-in-one machine at dais, even more further improve Efficiency of teaching.Multi-screen interaction method and its system provided by the invention, save the person of giving lessons walk about with writing on the blackboard/annotation time and Learner walked about with the time putd question to/answered, and increased classroom interaction, improved efficiency of teaching and teaching quality.
Detailed description of the invention
Fig. 1 is the multi-screen interaction method flow chart of the embodiment of the present invention one；
Fig. 2 is the multi-screen interactive system module figure of the embodiment of the present invention two；
Fig. 3 is the multi-screen interactive system simulation application figure of the embodiment of the present invention two.
In figure, 101-first judgment modules, 102-first processing modules, the 103-the second judgment module, 104-parsings Module, 105-Second processing modules, 201-acquisition modules, 202-transmission modules, 10-touch-control all-in-one machines, 11/12/13/ 14-display areas, 21/22/23/24-clipboard
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its His embodiment, shall fall within the protection scope of the present invention.
Embodiment one:
It is the multi-screen interaction method flow chart of the embodiment of the present invention one referring to Fig. 1, Fig. 1.
Multi-screen interaction method provided by the invention is used for field of Education and teaching and office meeting field, referring specifically to Fig. 1, The multi-screen interaction method is the following steps are included: S1: touch-control all-in-one machine judges whether to recognize the device id of clipboard；S2: if so, The display screen of touch-control all-in-one machine is averagely divided into identical by touch-control all-in-one machine according to the quantity of the device id of the clipboard recognized The display area of quantity；S3: touch-control all-in-one machine judges whether to receive the data packet that clipboard is sent；S4: if so, touch-control All-in-one machine successively parses the data packet that each clipboard is sent, and is parsed into and touch-control all-in-one machine respective modules Operation information；S5: matching executes operation information in each display area to touch-control all-in-one machine one by one in that same order.
In the present embodiment, S6: when touch-control all-in-one machine judgement does not recognize the device id of clipboard, then prompt mistake and Stop subsequent all steps.
In the present embodiment, S7: when touch-control all-in-one machine judgement is not received by the data packet that clipboard sends, then stop Subsequent all steps.
In the present embodiment, clipboard can be the clipboards such as liquid crystal blackboard, green plate, blank.
In the present embodiment, it is preferable that above-mentioned touch-control all-in-one machine judges whether the step of recognizing the device id of clipboard packet Include: clipboard, which is equipped with, touches frame apparatus, if touching frame apparatus collects the operation information of user, for example is user on clipboard It writes, then its device id is sent to by touch-control all-in-one machine by usb protocol or wireless transmission protocol, touch-control all-in-one machine then recognizes The device id of clipboard, wherein by USB data line connection or respectively in clipboard and touching between touch-control all-in-one machine and clipboard Wireless transmitter and wireless receiver is arranged on control all-in-one machine 10 to be wirelessly connected to realize.
In the present embodiment, another kind is achieved in that, above-mentioned touch-control all-in-one machine judges whether to recognize the equipment of clipboard The step of ID includes: that device id by usb protocol or wireless transmission protocol is sent to touch-control all-in-one machine by clipboard, touch control integrated Machine then recognizes the device id of clipboard, and the difference of which and aforesaid way is that aforesaid way is referred to touch control integrated On the basis of connecting (wire/wireless) between machine and clipboard, user is needed to operate on clipboard, clipboard is just to touch-control All-in-one machine sending device ID, touch-control all-in-one machine can recognize clipboard, as long as and which refers to touch-control all-in-one machine and book Connection (wire/wireless) between plate is write, for clipboard just to touch-control all-in-one machine sending device ID, touch-control all-in-one machine can recognize book Write plate.
In the present embodiment, touch-control all-in-one machine judges whether that the step of receiving the data packet that clipboard is sent includes: Clipboard, which is equipped with, touches frame apparatus, if touching the operation information that frame apparatus collects user, forms data packet and is assisted again by USB View or wireless transmission protocol are sent to touch-control all-in-one machine, and touch-control all-in-one machine then recognizes data packet.
In the present embodiment, touch-control all-in-one machine is by above-mentioned resolve packet at the operation information with touch-control all-in-one machine respective modules The step of include: touch-control all-in-one machine by whiteboard applications software (SCTiNote) by resolve packet at aobvious with touch-control all-in-one machine Show corresponding information of module, or further includes that touch-control all-in-one machine passes through whiteboard applications software (SCTiNote) for resolve packet At functional information corresponding with the functional module of touch-control all-in-one machine.
Specifically, in the present embodiment, the OPS computer of touch-control all-in-one machine is obtained simultaneously by whiteboard applications software (SCTiNote) The device id of clipboard is recorded, and display screen is divided into the viewing area of identical quantity according to the quantity of the device id of clipboard Domain is inferred to received data packet is acquired by which clipboard by the device id of record, passes through whiteboard applications software (SCTiNote) judge the sequencing of multiple clipboard acquisitions such as A, B, C, D, then pass through whiteboard applications software (SCTiNote) Identify first data packet received, and by resolve packet at corresponding with the display module of touch-control all-in-one machine information, And these information are depicted as complete handwriting trace by algorithm, and be shown in first display area；Touch-control all-in-one machine When receiving second data packet, and by resolve packet at corresponding with the display module of touch-control all-in-one machine information, and will These information are depicted as complete handwriting trace by algorithm, and are shown in second display area；Touch-control all-in-one machine receives When to third data packet, and by resolve packet at corresponding with the display module of touch-control all-in-one machine information, and by these Point information is depicted as complete handwriting trace by algorithm, and is shown in third display area；Touch-control all-in-one machine receives When four data packets, and by resolve packet at corresponding with the display module of touch-control all-in-one machine information, and these points are believed Breath is depicted as complete handwriting trace by algorithm, and is shown in the 4th display area；The subsequent more clipboards of setting It is same reason.
Therefore, touch-control all-in-one machine is when judgement is connected to clipboard (device id for recognizing clipboard), can be according to connecting The display screen of touch-control all-in-one machine is divided into the display area of identical quantity by the number for the clipboard being connected to, further according to what is connected The sequencing of clipboard parses the operation information data packet of user on clipboard, by the written contents on clipboard It is sequentially displayed in each display area of touch-control all-in-one machine, therefore when using the interactive intelligent blackboard for education system, is given lessons Person can the writing on the blackboard in interactive all-in-one machine, learner can write at any one on hithermost clipboard to make It answers and puts question to, at the same time, the written contents on clipboard can be transferred in interactive all-in-one machine, and matched one by one in display screen Shown in display area, the person of giving lessons at this time only need to be explained on all-in-one machine can, learner does not need to go on dais, just Just the learner of different location can be clearly seen the content in above-mentioned interactive process in classroom；In addition, if the person of giving lessons is in class It needs to do annotation during patrolling or writing on the blackboard is explained, can be operated nearby on the most similar clipboard of distance, without limiting In the interactive all-in-one machine only at dais, efficiency of teaching is even more further improved.Multi-screen interaction method provided by the invention and Its system saves the person of giving lessons and walks about with writing on the blackboard/time of annotation and learner walk about the to put question to/time answered, increase class Hall is interactive, improves efficiency of teaching and teaching quality.
Embodiment two:
Referring to figs. 2 and 3, Fig. 2 is the multi-screen interactive system module figure of the embodiment of the present invention two, and Fig. 3 is that the present invention is implemented The multi-screen interactive system simulation application figure of example two.
The present embodiment provides a kind of multi-screen interactive system, including touch-control all-in-one machine 10 and clipboard, clipboard is most common to be There are four if, referring to Fig. 3, including clipboard 21, clipboard 22, clipboard 23 and clipboard 24, touch-control all-in-one machine 10 and each Clipboard wired connection or wireless connection specifically can be and connect touch-control all-in-one machine 10 and each clipboard by USB data line, Or it is wirelessly connected by the way that wireless transmitter and wireless receiver are arranged on clipboard and touch-control all-in-one machine 10 respectively with realizing；
Wherein, touch-control all-in-one machine 10 includes: first judgment module 101, first processing module 102, the second judgment module 103, parsing module 104 and Second processing module 105.
First judgment module 101 judges whether it recognizes the device id of clipboard for touch-control all-in-one machine 10.
First processing module 102 will for touch-control all-in-one machine 10 according to the quantity of the device id of its clipboard recognized Its display screen is averagely divided into the display area of identical quantity, if aforementioned four clipboard is connect with touch-control all-in-one machine 10, Then display screen is divided into four display areas, is display area 11, display area 12, display area 13 and display area respectively 14, and preferably, the aforementioned four grid-shaped arrangement in display area is put down by the lateral line of demarcation and vertical line of demarcation of square crossing It divides, certainly, aforementioned four display area from left to right can also successively arrange, and averagely be drawn by three vertical lines of demarcation Divide and forms.
Second judgment module 103 judges whether to receive the number that above-mentioned clipboard is sent for touch-control all-in-one machine 10 According to packet.
Parsing module 104 successively solves the data packet that each clipboard is sent for touch-control all-in-one machine 10 Analysis, is parsed into the operation information of corresponding module.
Second processing module 105, for touch-control all-in-one machine 10 in that same order one by one matching execute operation information in Each display area, that is to say, that the sequence successively operated according to clipboard, the display content and writing of each display area The written contents of plate match one by one.
Each clipboard includes: acquisition module 201 and transmission module 202.
Acquisition module 201 acquires the data information that user operates on it for clipboard in real time, forms data packet.
Above-mentioned data packet is sent to touch-control all-in-one machine 10 for clipboard by transmission module 202.
The above examples are only used to illustrate the technical scheme of the present invention and are not limiting, referring to preferred embodiment to the present invention into Go detailed description, it will be appreciated by those skilled in the art that modification or equivalent replacement of the technical solution of the present invention are made, and The objective of the technical program and the scheme of range are not departed from, should all be covered in scope of the presently claimed invention.

Claims (9)

1. a kind of multi-screen interaction method characterized by comprising
Judge whether to recognize the device id of clipboard；
If so,
According to the quantity of the device id of the clipboard recognized, the display screen of touch-control all-in-one machine is averagely divided into identical number The display area of amount；
Judge whether to receive the data packet that the clipboard is sent；
If so,
Successively the data packet that each clipboard is sent is parsed, is parsed into and the touch-control all-in-one machine The operation information of respective modules；
Matching executes the operation information in each display area one by one in that same order.
2. multi-screen interaction method according to claim 1, which is characterized in that described to judge whether to recognize setting for clipboard The step of standby ID further include: if it is not, then prompting mistake and stopping subsequent all steps.
3. multi-screen interaction method according to claim 1, which is characterized in that described to judge whether to receive the clipboard The step of data packet sent further include: if it is not, then stopping subsequent all steps.
4. multi-screen interaction method according to claim 1, which is characterized in that described to judge whether to recognize setting for clipboard Include: for the step of ID
The clipboard, which is equipped with, touches frame apparatus, if the operation information for touching frame apparatus and collecting user, is assisted by USB Device id is sent to the touch-control all-in-one machine by view or wireless transmission protocol, and the touch-control all-in-one machine then recognizes the clipboard Device id.
5. multi-screen interaction method according to claim 1, which is characterized in that described to judge whether to recognize setting for clipboard Include: for the step of ID
Device id is sent to the touch-control all-in-one machine, the touch-control by usb protocol or wireless transmission protocol by the clipboard All-in-one machine then recognizes the device id of the clipboard.
6. multi-screen interaction method according to claim 5, which is characterized in that described to judge whether to receive the clipboard The step of data packet sent includes:
The clipboard, which is equipped with, touches frame apparatus, if the operation information for touching frame apparatus and collecting user, forms data Packet is sent to the touch-control all-in-one machine by usb protocol or wireless transmission protocol again, and the touch-control all-in-one machine then recognizes described Data packet.
7. multi-screen interaction method according to claim 1, which is characterized in that described to be parsed into and the touch-control all-in-one machine pair The step of answering the operation information of module include:
The touch-control all-in-one machine is by whiteboard applications software by the resolve packet at the display mould with the touch-control all-in-one machine Corresponding information of block, or further include the touch-control all-in-one machine by whiteboard applications software by the resolve packet at institute State the corresponding functional information of functional module of touch-control all-in-one machine.
8. a kind of multi-screen interactive system, which is characterized in that including touch-control all-in-one machine and clipboard, the touch-control all-in-one machine and described Clipboard wired connection or wireless connection；Wherein, the touch-control all-in-one machine includes:
First judgment module, for judging whether to recognize the device id of the clipboard；
First processing module, for the quantity according to the device id of the clipboard recognized, by the touch-control all-in-one machine Display screen is averagely divided into the display area of identical quantity；
Second judgment module, the data packet sent for judging whether to receive the clipboard；
Parsing module, for successively the data packet that each clipboard is sent to be parsed, be parsed into The operation information of the touch-control all-in-one machine respective modules；
Second processing module, for matching to execute the operation information in each viewing area one by one in that same order Domain.
The clipboard includes:
Acquisition module, the data information operated on the clipboard for acquiring user in real time, forms the data packet；
Transmission module, for transmitting the data packet to the touch-control all-in-one machine.
9. multi-screen interactive system according to claim 8, which is characterized in that the grid-shaped arrangement in the display area or from It is left-to-right successively to arrange.
CN201910729184.8A 2018-10-26 2019-08-08 Multi-screen interaction method and system Active CN110471640B (en)

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CN2018112588084 2018-10-26

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CN201811445493.4A Active CN109509375B (en) 2018-10-26 2018-11-29 Recording and broadcasting integrated intelligent comprehensive screen blackboard system and control method thereof
CN201811445648.4A Pending CN109597598A (en) 2018-10-26 2018-11-29 A kind of multi-screen command processing method and its system shielding blackboard comprehensively for intelligence
CN202110767647.7A Pending CN113504852A (en) 2018-10-26 2018-11-29 Control method of recording and broadcasting integrated intelligent comprehensive screen blackboard system
CN201811445514.2A Pending CN109377789A (en) 2018-10-26 2018-11-29 A kind of combined intelligent shields blackboard comprehensively
CN201811445647.XA Active CN109542008B (en) 2018-10-26 2018-11-29 Multi-screen display control method and system for intelligent full-screen blackboard
CN201821989276.7U Active CN209879763U (en) 2018-10-26 2018-11-29 Combined intelligent comprehensive screen blackboard
CN201910567648.XA Active CN110473433B (en) 2018-10-26 2019-06-27 Intelligent storage multimedia teaching system and control method thereof
CN201910567550.4A Pending CN110362228A (en) 2018-10-26 2019-06-27 A kind of unlimited writing on the blackboard method and its system based on liquid crystal blackboard
CN201921277524.XU Active CN210348836U (en) 2018-10-26 2019-08-08 Interactive intelligent teaching blackboard system
CN201910729184.8A Active CN110471640B (en) 2018-10-26 2019-08-08 Multi-screen interaction method and system

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CN201811445493.4A Active CN109509375B (en) 2018-10-26 2018-11-29 Recording and broadcasting integrated intelligent comprehensive screen blackboard system and control method thereof
CN201811445648.4A Pending CN109597598A (en) 2018-10-26 2018-11-29 A kind of multi-screen command processing method and its system shielding blackboard comprehensively for intelligence
CN202110767647.7A Pending CN113504852A (en) 2018-10-26 2018-11-29 Control method of recording and broadcasting integrated intelligent comprehensive screen blackboard system
CN201811445514.2A Pending CN109377789A (en) 2018-10-26 2018-11-29 A kind of combined intelligent shields blackboard comprehensively
CN201811445647.XA Active CN109542008B (en) 2018-10-26 2018-11-29 Multi-screen display control method and system for intelligent full-screen blackboard
CN201821989276.7U Active CN209879763U (en) 2018-10-26 2018-11-29 Combined intelligent comprehensive screen blackboard
CN201910567648.XA Active CN110473433B (en) 2018-10-26 2019-06-27 Intelligent storage multimedia teaching system and control method thereof
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