CN109743332A - A kind of system of multiple terminals simultaneous display data - Google Patents
A kind of system of multiple terminals simultaneous display data Download PDFInfo
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- CN109743332A CN109743332A CN201910103331.0A CN201910103331A CN109743332A CN 109743332 A CN109743332 A CN 109743332A CN 201910103331 A CN201910103331 A CN 201910103331A CN 109743332 A CN109743332 A CN 109743332A
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Abstract
The invention discloses a kind of systems of multiple terminals simultaneous display data, including data acquisition module, locating module, distribution module, module of registering, data reception module and conference management module；The data acquisition module is used to acquire the code of the file for wanting simultaneous display in memory, and is sent to distribution module after being converted into picture stream；The locating module is used to communicate with the foundation of the intelligent terminal of user；The content synchronization for the variation that the distribution module is used to obtain presentation terminal is to the data reception module in the intelligent terminal of user；The function of registering of module in a meeting for realizing user of registering；The corresponding relationship of data reception module and locating module on intelligent terminal of the conference management module for establishing data acquisition module on presentation terminal, user；The data reception module is used to be communicated with locating module, then communicates with module of registering, so that specified meeting is accessed, the synchronous content of display distribution module.
Description
Technical field
The present invention relates to information collection and transmitting field more particularly to a kind of systems of multiple terminals simultaneous display data.
Background technique
All kinds of meetings are required to demonstrator and pass through the material that a presentation terminal demonstrates oneself, by VGA or
Signal is passed to display terminal by the wire communications such as HDMI, and general display terminal has projector, display etc..
In order to solve the presentation material for allowing owner that can clearly see demonstrator, current primary solutions are:
Scheme one: material is issued personnel participating in the meeting, personnel participating in the meeting voluntarily browses.
1. safety of defect, conference materials issue it is rear easily transmitted, quickly spread, often many meetings are to require not allow
Communication material.
Defect 2: it can not be shown automatically with the synchronous material page turning of demonstrator when in meeting, personnel participating in the meeting needs voluntarily to sentence
Break to any page, influences the absorption of meeting.
Scheme two: Microsoft is based on OFFICE external member and provides a solution, i.e., presentation material is uploaded to Microsoft
Then Cloud Server encourages the relative position in the file that demonstrator opens and passes to server, personnel participating in the meeting passes through a URL chain
It is connected to Microsoft's Cloud Server in succession, in conjunction with the relative position of current presentation, the picture of related pages is sent to participant in time
Member.
Defect 1: presentation material can be uploaded to the Cloud Server of Microsoft in the program, not can guarantee safety.
Defect 2: what personnel participating in the meeting obtained is a URL link, which can forward anyone, not can guarantee safety
Property.
Scheme three: the solution based on video is transmitted the picture of demonstrator's presentation terminal in the form of video flowing
To ground video matrix server, the connection that personnel participating in the meeting establishes with video matrix can check video, reach and demonstrate with demonstrator
Purpose of the content with screen.
Defect 1: it is at high cost, it needs to establish dedicated video server, the network bandwidth of personnel participating in the meeting and demonstrator is wanted
Ask also very high.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of systems of multiple terminals simultaneous display data, including positioning
Data acquisition module, locating module, distribution module, module of registering, data reception module and conference management module；
The data acquisition module is used to acquire the code of the file for wanting simultaneous display in memory, and is converted into picture stream
It is sent to distribution module；
The locating module is used to communicate with the foundation of the intelligent terminal of user；
The content synchronization for the variation that the distribution module is used to obtain presentation terminal is to the number in the intelligent terminal of user
According to receiving module；
The function of registering of module in a meeting for realizing user of registering；
The conference management module for creating, modify meeting, while be used to establish data acquisition module on presentation terminal,
The corresponding relationship of data reception module and locating module on the intelligent terminal of user；
The data reception module is used to be communicated with locating module, then communicates with module of registering, so that access is specified
Meeting, the synchronous content of display distribution module.
The locating module is ibeacon Bluetooth beacon.
The module of registering can limit connecing for specific invitation code for limiting the access of specific phone number
Enter, setting when invitation code is newly-built meeting, needing to input the invitation code when registering can normally register.
The data reception module can show the number that the distribution module is submitted to the data acquisition module in real time
According to what realization demonstrator demonstrates, what recipient's energy real-time synchronization sees.
Presentation terminal is connect by wired or wireless mode with system.Presentation terminal is usually computer, for submitting window
Mouth image stream.
The intelligent terminal of user is wirelessly connect with system, is led to by 4.0 agreement of bluetooth with locating module
Letter.
System realizes simultaneous display data by executing following steps:
Step a1, conference management module create meeting A, and meeting A has demonstrator's permission at newly-built process authorization one
User, and be arranged only allow N number of personnel participating in the meeting intelligent terminal receive distribution content；
Step a2, for personnel participating in the meeting: personnel participating in the meeting by data reception module in intelligent terminal and locating module into
The wechat bluetooth near-field communication technology of row communication, this technical application Liao Tengxun company realizes data reception module and locating module
Between communication, data reception module carry locating module identification information (locating module major, minor parameter) again with label
It is communicated to module, passes through locating module identification information and inquire that participated in is meeting A, system judges the data reception
Whether block has the permission for the distribution content for receiving the meeting, i.e. whether the data reception module belongs to one in N number of personnel participating in the meeting
It is a, refuse to access if being not belonging to, establishes meeting A related content synchronization data with distribution module if belonging to data reception module
The connection of request, and the content currently distributed is shown on the data reception module in personnel participating in the meeting's intelligent terminal, while data
Whether the content that receiving module is periodically being distributed to distribution module inquiry meeting A is consistent with last time inquiry, if different
Cause then sends out distribution module and pushes new content, does not otherwise push new content；
Step a3, for demonstrator: presentation terminal uses the account with demonstrator's permission to carry out system registration, establishes
The connection of data acquisition module and system in presentation terminal, data acquisition module according to set rule (such as only synchronize PPT
The main view portion of document), the code of the file of simultaneous display in memory, such as Microsoft's lantern slide are wanted in analysis
(huandengpowerpoint), document (word), the code of table (excel) and adobe pdf file in memory, specifically
Method is the handle by corresponding to program (such as POWER POINT, WORD) in Microsoft's windows operating system, passes through sentence
Handle extracts the part that be synchronized to data reception module, and is converted into picture stream and is sent to distribution module, while periodically (such as
500 milliseconds) whether detection need the window distributed consistent, and it submits to distribution module again if inconsistent, does not otherwise submit
To distribution module.
In step a3, data acquisition module calculates acquisition HASH by carrying out HASH to current video in window stream file
Value compares with the last HASH value calculated (before such as 500 milliseconds), if the same determines that window is consistent, otherwise sentence
It is inconsistent to determine window.Specific HASH algorithm uses the HASH algorithm of windows.NET development platform HashAlgorithm class.
In step a3, distribution module does not save image stream after receiving the video in window stream that data acquisition module is submitted,
The corresponding relationship with associating conference is built where system in the memory of server；Data receiver in the intelligent terminal of personnel participating in the meeting
Module pulls image data stream after meeting signature from distribution module.
The intelligent terminal is smart phone or tablet computer.
Wechat client is installed in the intelligent terminal, and supports bluetooth module.
The present invention solves problem of the prior art, is realized with the scheme of low cost demonstrator's demo content is real-time
It is synchronized on participant's intelligent terminal.
Detailed description of the invention
The present invention is done with reference to the accompanying drawings and detailed description and is further illustrated, it is of the invention above-mentioned or
Otherwise advantage will become apparent.
Fig. 1 is system structure of the invention figure.
Fig. 2 is that personnel participating in the meeting enters the judgement process for receiving Distribution status.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and embodiments.
As depicted in figs. 1 and 2, it the present invention provides a kind of system of multiple terminals simultaneous display data, specifically includes:
Data reception module 20 is equipped with communication software at the terminal, is wechat client in the present embodiment, and data connect
Receipts module 20 is provided with the relationship with locating module 30, settable not allow not access in the personnel in meeting-place by forwarding to allow.
Locating module 30 is ibeacon Bluetooth beacon, meets the interface specification of wechat；
Distribution module 40 is a module of system, and the content synchronization of the variation for obtaining data acquisition module is to number
According to receiving module 20；
Module of registering 50 is a module of system, is managed to registering for meeting, settable white list and invitation code；
Conference management module 60 is that a module of system establishes data acquisition module 10 and data for managing meeting
The corresponding relationship of receiving module 20 and locating module 30.
System is erected on Internet Server, and presentation terminal is connected by wired, wireless mode and system；Data receiver
Module 20 is typically mounted at smart phone or tablet computer, is connect by wireless communications such as WIFI, honeycombs with system, passes through indigo plant
4.0 agreement of tooth is communicated with locating module 30, and the characteristic information for carrying locating module 30 after communication again is communicated with module 50 of registering, and is shown
Show the page of registering of specified meeting.
In addition, data acquisition module, which is periodically detected, to be needed the invention also provides a kind of scheme that safe data are synchronous
It wants whether the content of the window of Display on the same screen changes, judges that scheme is by carrying out HASH calculating to current video in window
HASH value is obtained, the HASH value calculated with the last time compares, and it is identical, think that window does not change, it is different, think window
Mouth changes, and window changes, and current window image stream is submitted to distribution module 40；Distribution module 40 will not be by image stream
It saves, builds the corresponding relationship with associating conference in memory；After data reception module is registered successfully, until distribution module 40
Pull the image data stream that specified meeting is being distributed.
Embodiment
Usage scenario:
Conference management module 60 creates meeting A, and meeting A association registers module 50 with demonstration account, and setting only allows certain
Number receives distribution content.
For personnel participating in the meeting: the module that will register 50 is placed in meeting scene, and personnel participating in the meeting passes through wechat software on intelligent terminal
Wechat shake periphery, communicated by data acquisition module 10 with module of registering, participated in by system queries
It is meeting A, then judges whether the number has permission the distribution content for receiving the meeting, refuse to access if not allowing, if allows
Then establish what the connection and showing in personnel participating in the meeting's wechat of meeting A related content synchronization request was currently distributed with distribution module 40
Content asks whether to change, changes, brush by the backward distribution module 40 of periodically extremely short a period of time (such as 500 milliseconds)
New page does not change, and keeps the page.
For demonstrator: demonstrator is registered using demonstration account in data acquisition module, data acquisition module
The window (region) distributed can will be needed to submit to distribution module 40 according to the specification set, while be periodically detected needs point
Whether the window (region) of hair changes, and then submits to distribution module 40 if changing again, does not mention then if not changing
Give distribution module.
The present invention has carried out following improvement for prior art defect:
Guarantee personnel participating in the meeting at the scene by locating module 30 and just can enter reception distribution content interface；
Based on the communication with locating module 30, can forbid forwarding related interfaces；
It is proposed by the present invention that the video in window data flow of data acquisition module 10 is directly placed on the number that memory waits authorization
It is pulled according to receiving module 20, ensure that conference content data are not landed.
The present invention provides a kind of systems of multiple terminals simultaneous display data, implement method and the way of the technical solution
There are many diameter, the above is only a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications should also regard
For protection scope of the present invention.All undefined components in this embodiment can be implemented in the prior art.
Claims (10)
1. a kind of system of multiple terminals simultaneous display data, which is characterized in that including data acquisition module, locating module, distribution
Module, module of registering, data reception module and conference management module；
The data acquisition module is used to acquire the code of the file for wanting simultaneous display in memory, and sends out after being converted into picture stream
Give distribution module；
The locating module is used to communicate with the foundation of the intelligent terminal of user；
The distribution module is for connecing the content synchronization for the variation that presentation terminal obtains to the data in the intelligent terminal of user
Receive module；
The function of registering of module in a meeting for realizing user of registering；
Data reception on intelligent terminal of the conference management module for establishing data acquisition module on presentation terminal, user
The corresponding relationship of block and locating module；
The data reception module is used to be communicated with locating module, then communicates with module of registering, so that specified meeting is accessed,
Show the synchronous content of distribution module.
2. system according to claim 1, which is characterized in that the locating module is ibeacon Bluetooth beacon.
3. system according to claim 2, which is characterized in that the module of registering is for limiting specific phone number
Access, and the access of specific invitation code can be limited, setting when invitation code is newly-built meeting needs to input the invitation when registering
Code can normally register.
4. system according to claim 3, which is characterized in that presentation terminal is connected by wired or wireless mode and system
It connects.
5. system according to claim 4, which is characterized in that the intelligent terminal of user wirelessly connects with system
It connects, is communicated by 4.0 agreement of bluetooth with locating module.
6. system according to claim 5, which is characterized in that system realizes simultaneous display number by executing following steps
According to:
Step a1, conference management module create meeting A, and meeting A is in one use with demonstrator's permission of newly-built process authorization
Family, and being arranged only allows the intelligent terminal of N number of personnel participating in the meeting to receive distribution content；
Step a2, for personnel participating in the meeting: personnel participating in the meeting is led to by the data reception module in intelligent terminal with locating module
Letter, the identification information that data reception module carries locating module are communicated with module of registering again, are identified and are believed by locating module
That breath inquiry is participated in is meeting A, and system judges whether the data reception module has the power for the distribution content for receiving the meeting
Limit, i.e., whether the data reception module belongs to one in N number of personnel participating in the meeting, refuses to access if being not belonging to, count if belonging to
The connection of meeting A related content synchronization request of data is established according to receiving module and distribution module, and in personnel participating in the meeting's data receiver
The content currently distributed is shown in module, while data reception module periodically inquires what meeting A was distributing to distribution module
Whether content is consistent with last time inquiry, and distribution module is sent out if inconsistent and pushes new content, does not otherwise push new interior
Hold；
Step a3, for demonstrator: presentation terminal uses the account with demonstrator's permission to carry out system registration, establishes demonstration
The connection of data in terminal acquisition module and system, data acquisition module want simultaneous display according to the rule set, analysis
The code of file in memory extracts the part that be synchronized to data reception module, and is converted into picture stream and is sent to distribution mould
Block, while being periodically detected and needing the window distributed whether consistent, submit to distribution module again if inconsistent, otherwise not
Submit to distribution module.
7. system according to claim 6, which is characterized in that in step a3, data acquisition module passes through to current window
Mouth image stream file carries out HASH and calculates acquisition HASH value, and the HASH value of calculating compares with the last time, if the same sentences
It is consistent to determine window, otherwise determines that window is inconsistent.
8. system according to claim 7, which is characterized in that in step a3, distribution module receives data acquisition module
Image stream is not saved after the video in window stream of submission, is establishing close corresponding with associating conference where system in the memory of server
System；Data reception module in the intelligent terminal of personnel participating in the meeting pulls image data stream after meeting signature from distribution module.
9. system according to claim 8, which is characterized in that the intelligent terminal is smart phone or tablet computer.
10. system according to claim 9, which is characterized in that be equipped with wechat client in the intelligent terminal, and prop up
Hold bluetooth module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910103331.0A CN109743332A (en) | 2019-02-01 | 2019-02-01 | A kind of system of multiple terminals simultaneous display data |
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| CN201910103331.0A CN109743332A (en) | 2019-02-01 | 2019-02-01 | A kind of system of multiple terminals simultaneous display data |
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