CN113992661A - Sharing system and method of electronic whiteboard content information - Google Patents
Sharing system and method of electronic whiteboard content information Download PDFInfo
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- CN113992661A CN113992661A CN202111610544.6A CN202111610544A CN113992661A CN 113992661 A CN113992661 A CN 113992661A CN 202111610544 A CN202111610544 A CN 202111610544A CN 113992661 A CN113992661 A CN 113992661A
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- mobile terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Information Transfer Between Computers (AREA)
Abstract
The invention discloses a system and a method for sharing content information of electronic whiteboards, wherein the system comprises a local server, a plurality of mobile terminal devices and a plurality of electronic whiteboards; when one mobile terminal device sends a connection instruction to a local server, the local server establishes communication connection between the mobile terminal device and a corresponding electronic whiteboard, and marks the mobile terminal device as a main mobile terminal device and marks other mobile terminal devices as branch mobile terminal devices; the local server is also used for receiving the sharing file sent by the main mobile terminal equipment and displaying the sharing file on the corresponding electronic whiteboard; when the display content of any corresponding electronic whiteboard changes, all corresponding electronic whiteboards are synchronously displayed; and the local server is also used for receiving the sharing instruction, generating a sharing screenshot according to the current display content of the electronic whiteboard and sharing the sharing screenshot to the sub-mobile terminal equipment. The invention can realize the synchronization of a plurality of electronic white boards, and has simple operation; meanwhile, key content can be shared.
Description
Technical Field
The invention relates to the field of electronic whiteboards, in particular to a system and a method for sharing content information of an electronic whiteboard.
Background
Due to the rise of the electronic white boards, for some temporary meeting places, one or more electronic white boards are generally arranged and then are respectively arranged at a plurality of positions in the meeting place, so that the participants can watch the display content. However, since the number of electronic whiteboards is large, professional personnel are required to set synchronous display of a plurality of electronic whiteboards; in addition, some important narratives cannot draw the attention of the participants.
Disclosure of Invention
In order to overcome the defects of the prior art, an object of the present invention is to provide a system for sharing content information of an electronic whiteboard, which can solve the problems in the prior art that the synchronous display operation of the electronic whiteboard is complicated and the display content of the electronic whiteboard cannot be highlighted.
Another object of the present invention is to provide a method for sharing content information of an electronic whiteboard, which can solve the problems of the prior art that the synchronous display operation of the electronic whiteboard is complicated and the display content of the electronic whiteboard cannot be highlighted
One of the purposes of the invention is realized by adopting the following technical scheme:
the system for sharing the content information of the electronic whiteboard comprises a local server, a plurality of mobile terminal devices and a plurality of electronic whiteboards; the mobile terminal devices and the electronic whiteboards are respectively accessed to the local server through a local network;
when one mobile terminal device in the plurality of mobile terminal devices sends a connection instruction to the local server, the local server establishes communication connection between the mobile terminal device and the corresponding electronic whiteboard according to the connection instruction, and marks the mobile terminal device as a main mobile terminal device, and marks other mobile terminal devices as branch mobile terminal devices;
the local server is further used for receiving the sharing file sent by the main mobile terminal device and sending the sharing file to a corresponding electronic whiteboard for displaying; when the display content of any corresponding electronic whiteboard changes, synchronously displaying the display content of all corresponding electronic whiteboards;
the local server is further used for receiving the sharing instruction sent by the main mobile terminal device, obtaining the current display content of the corresponding electronic whiteboard according to the sharing instruction, generating a sharing screenshot according to the current display content of the electronic whiteboard, and sending the sharing screenshot to all the sub mobile terminal devices.
And further, the remote terminal device further comprises a remote server, wherein the local server is in communication connection with the remote server and is further used for sending the shared screenshot to the remote terminal device through the remote server.
Further, the local server is further configured to send the shared screenshot to a remote terminal through a remote server when the confidentiality of the shared screenshot is public; and when the confidentiality of the shared screenshot is secret, not uploading the shared screenshot to a remote server.
Further, when the local server receives a network disconnection instruction sent by the corresponding branch mobile terminal device, the local server is further configured to send a disconnection confirmation instruction to the branch mobile terminal device and disconnect the branch mobile terminal device from the local server after receiving a disconnection confirmation result fed back by the branch mobile terminal device.
Further, the local server is further configured to send a disconnection confirmation instruction to the sub mobile terminal device and send a deletion instruction to the sub mobile terminal device, so that the sub mobile terminal device deletes the shared screenshot.
The second purpose of the invention is realized by adopting the following technical scheme:
the sharing method of the electronic whiteboard content information is applied to the sharing system of the electronic whiteboard content information provided by the invention, and comprises the following steps:
a connection step: receiving a connection instruction sent by a mobile terminal device, establishing communication connection between the mobile terminal device and a corresponding electronic whiteboard, and marking the mobile terminal device as a main mobile terminal device and other mobile terminal devices accessed to a local server as branch mobile terminal devices;
file sharing: receiving a sharing file sent by the main mobile terminal device and sending the sharing file to all electronic whiteboards which establish communication connection with the main mobile terminal device for displaying;
a synchronization step: when the display content of any electronic whiteboard changes, synchronously displaying the display content of all electronic whiteboards which are in communication connection with the main mobile terminal equipment;
screenshot sharing step: and receiving a sharing instruction sent by the main mobile terminal device, acquiring the current display content of the electronic whiteboard according to the sharing instruction, generating a sharing screenshot according to the current display content of the electronic whiteboard, and sending the sharing screenshot to the sub mobile terminal device.
Further, the screenshot sharing step further includes: and sending the sharing screenshot to a remote terminal through a local server.
Further, the screenshot sharing step further includes: when the confidentiality of the shared screenshot is public, the shared screenshot is sent to remote terminal equipment through a remote server; and when the confidentiality of the shared screenshot is secret, not uploading the shared screenshot to a remote server.
Further, still include: a network disconnection step: when a network disconnection command sent by any sub-mobile terminal device is received, a disconnection confirmation command is sent to the sub-mobile terminal device, and the sub-mobile terminal device is disconnected with the local server after a disconnection confirmation result fed back by the mobile terminal device is received.
Further, in the network disconnection step, a disconnection confirmation instruction is sent to the branch mobile terminal device, and a deletion instruction is sent to the branch mobile terminal device, so that the branch mobile terminal device deletes the shared screenshot from the local device.
Compared with the prior art, the invention has the beneficial effects that:
the synchronous display of the electronic whiteboards can be realized through the local server, the operation is simple, and the synchronous display can be realized without the participation of professional persons; meanwhile, the key shared content is sent to the mobile terminal equipment of each participant in a screenshot sharing mode, so that the reference conference can pay special attention to the key lecture content, and the key lecture content is highlighted.
Drawings
Fig. 1 is a block diagram of a system for sharing content information of an electronic whiteboard according to the present invention;
fig. 2 is a flowchart of a method for sharing content information of an electronic whiteboard according to the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
The invention provides a sharing system of content information of electronic whiteboards, which comprises a plurality of electronic whiteboards, a local server and a plurality of mobile terminal devices as shown in figure 1.
The mobile terminal devices and the electronic whiteboards are respectively accessed to the local server through a local network. Preferably, the mobile terminal device in this embodiment is not limited to a common mobile phone, a tablet, and the like, but may also be a dedicated mobile display device, and the like. For example, a dedicated display device may be dedicated to some participants.
Preferably, the mobile terminal devices in this embodiment may be divided into a main mobile terminal device and a sub mobile terminal device. The main mobile terminal device is a device held by a main speaker, and the sub mobile terminal devices are devices held by participants.
The main mobile terminal device and the sub mobile terminal device are the same in device type, and are set in a distinguishing mode through the local server. Specifically, when one of the mobile terminal devices sends a connection instruction to the local server, the local server establishes a communication connection between the mobile terminal device and the corresponding electronic whiteboard according to the connection instruction. At this time, the local server records the mobile terminal device as a main mobile terminal device, and other mobile terminal devices as branch mobile terminal devices.
Therefore, the speaker of the conference can operate the electronic whiteboard through the main mobile terminal device. And the participants can view the display contents through the mobile terminal devices.
Preferably, the local server is further configured to receive a sharing file sent by the main mobile terminal device and send the sharing file to a corresponding electronic whiteboard for display. That is, when the speaker needs to display the shared file, the shared file sent by the main mobile terminal is received and synchronously distributed to the corresponding electronic whiteboard for synchronous display.
In addition, in order to save cost, when the number of participants is small and the electronic whiteboard is not needed to be used as many times, the main mobile terminal can be communicated with part of the electronic whiteboards, and resources are saved. That is, by starting part of the electronic whiteboard, the cost can be saved.
The speaker can switch the display content of a certain electronic whiteboard through a remote controller, an operation pen and the like of the electronic whiteboard, for example, switching the next page of PPT and the like, in order to ensure the synchronous display of a plurality of electronic whiteboards. The local server detects the display content of each electronic whiteboard in real time. And if the display content of any one corresponding electronic whiteboard is received to be changed, synchronously displaying the display content of all the corresponding electronic whiteboards.
Preferably, the method and the system can also send the screenshot to the branch mobile terminal device in a screenshot sharing mode, highlight the important content and enable the participants to attach importance. Specifically, the local server receives a sharing instruction sent by the main mobile terminal device, acquires current display content of the corresponding electronic whiteboard according to the sharing instruction, generates a sharing screenshot according to the current display content of the electronic whiteboard, and sends the sharing screenshot to all sub mobile terminal devices. Therefore, the key sharing of the contents of the electronic whiteboard can be realized, and personnel in a conference place can directly check the contents through the mobile terminal equipment.
Meanwhile, when the local server generates the screenshot, the screenshot also needs to be watermarked to ensure the copyright of the content.
Preferably, the present invention further comprises a remote server. For some online participants, the shared screenshot can be shared to the remote terminal equipment through the remote server through the communication connection of the local server and the remote server, so that the participants can attach importance to the screenshot.
In addition, some participating contents have certain confidentiality, so that the local server sends the sharing screenshot to the remote terminal equipment through the remote server only when the confidentiality of the sharing screenshot is public. And if the confidentiality of the shared screenshot is not public, the remote shared screenshot is not suggested.
For some conference with confidentiality, special mobile terminal equipment can be used for participating, so that when the participants leave, the mobile terminal equipment can be recycled. In addition, the embodiment may also adopt a deletion mode, that is, when the mobile terminal device disconnects the local network, the local server sends a disconnection confirmation instruction to the mobile terminal device, and only when the mobile terminal device confirms the disconnection operation, the local server disconnects the mobile terminal device from the local server. For example, by setting a pop-up window in the mobile terminal device, the mobile terminal device cannot be normally used unless the user does not operate the pop-up window.
Therefore, the local server sends a deletion instruction to the mobile terminal device while sending a disconnection confirmation instruction to the mobile terminal device, so that the mobile terminal device deletes the shared screenshot, and the confidentiality of the conference participating data is ensured.
The synchronous display of the plurality of electronic whiteboards can be realized through the local server and the mobile terminal equipment, namely, the participant can be realized through the mobile terminal equipment, the operation is simple, and no professional is required to participate. Meanwhile, the invention also carries out screenshot sharing on the contents of the important lecture, so that the participants pay attention.
Based on the system for sharing content information of an electronic whiteboard provided by the present invention, the present invention further provides an embodiment, a method for sharing content information of an electronic whiteboard, as shown in fig. 2, comprising the following steps:
and step S1, receiving a connection instruction sent by a mobile terminal device, establishing communication connection between the mobile terminal device and the corresponding electronic whiteboard, and marking the mobile terminal device as a main mobile terminal device and other mobile terminal devices accessing the local server as branch mobile terminal devices.
And step S2, receiving the sharing file sent by the main mobile terminal equipment and sending the sharing file to all electronic whiteboards which establish communication connection with the main mobile terminal equipment for displaying. And synchronously displaying the plurality of electronic whiteboards.
And step S3, when detecting that the display content of any electronic whiteboard changes, synchronously displaying the display content of all electronic whiteboards which establish communication connection with the main mobile terminal device. Once the content of one electronic whiteboard changes, the content of all electronic whiteboards can be synchronously displayed.
Step S4, receiving a sharing instruction sent by the main mobile terminal device, obtaining current display content of the electronic whiteboard according to the sharing instruction, generating a sharing screenshot according to the current display content of the electronic whiteboard, and sending the sharing screenshot to the sub mobile terminal device. By means of sharing the screenshot, key contents are highlighted, and attention of participants is attracted.
Preferably, step S4 further includes: and sending the sharing screenshot to a remote terminal through a local server. Remote key content sharing is realized in a remote mode, such as remote teleconference.
Preferably, step S4 further includes: when the confidentiality of the shared screenshot is public, the shared screenshot is sent to remote terminal equipment through a remote server; and when the confidentiality of the shared screenshot is secret, not uploading the shared screenshot to a remote server. The security of the file is ensured by not remotely sharing the file with confidentiality.
Further, still include: a network disconnection step: when a network disconnection command sent by any sub-mobile terminal device is received, a disconnection confirmation command is sent to the sub-mobile terminal device, and the sub-mobile terminal device is disconnected with the local server after a disconnection confirmation result fed back by the mobile terminal device is received.
Preferably, in the network disconnection step, a disconnection confirmation instruction is sent to the branch mobile terminal device, and a deletion instruction is sent to the branch mobile terminal device, so that the branch mobile terminal device deletes the shared screenshot from the local device.
The sharing screenshot in the mobile terminal equipment is deleted to achieve the security of the sharing screenshot, so that the conference efficiency can be improved, and the security of the file can be guaranteed.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. The sharing system of the content information of the electronic whiteboard is characterized by comprising a local server, a plurality of mobile terminal devices and a plurality of electronic whiteboards; the mobile terminal devices and the electronic whiteboards are respectively accessed to the local server through a local network;
when one mobile terminal device in the plurality of mobile terminal devices sends a connection instruction to the local server, the local server establishes communication connection between the mobile terminal device and the corresponding electronic whiteboard according to the connection instruction, and marks the mobile terminal device as a main mobile terminal device, and marks other mobile terminal devices as branch mobile terminal devices;
the local server is further used for receiving the sharing file sent by the main mobile terminal device and sending the sharing file to a corresponding electronic whiteboard for displaying; when the display content of any corresponding electronic whiteboard changes, synchronously displaying the display content of all corresponding electronic whiteboards;
the local server is further used for receiving the sharing instruction sent by the main mobile terminal device, obtaining the current display content of the corresponding electronic whiteboard according to the sharing instruction, generating a sharing screenshot according to the current display content of the electronic whiteboard, and sending the sharing screenshot to all the sub mobile terminal devices.
2. The system for sharing content information of an electronic whiteboard according to claim 1, further comprising a remote server, wherein the local server is in communication connection with the remote server and is further configured to send the shared screenshot to a remote terminal device through the remote server.
3. The system for sharing content information of an electronic whiteboard according to claim 2, wherein the local server is further configured to send the shared screenshot to a remote terminal through a remote server when the confidentiality of the shared screenshot is public; and when the confidentiality of the shared screenshot is secret, not uploading the shared screenshot to a remote server.
4. The system for sharing content information of an electronic whiteboard according to claim 1, wherein when the local server receives a network disconnection command sent by a corresponding branch mobile terminal device, the local server is further configured to send a disconnection confirmation command to the branch mobile terminal device and disconnect the branch mobile terminal device from the local server after receiving a disconnection confirmation result fed back by the branch mobile terminal device.
5. The system according to claim 4, wherein the local server is further configured to send a disconnection confirmation instruction to the sub-mobile terminal device and send a deletion instruction to the sub-mobile terminal device, so that the sub-mobile terminal device deletes the shared screenshot.
6. The method for sharing the content information of the electronic whiteboard is applied to the system for sharing the content information of the electronic whiteboard according to any one of claims 1 to 5, and is characterized by comprising the following steps:
a connection step: receiving a connection instruction sent by a mobile terminal device, establishing communication connection between the mobile terminal device and a corresponding electronic whiteboard, and marking the mobile terminal device as a main mobile terminal device and other mobile terminal devices accessed to a local server as branch mobile terminal devices;
file sharing: receiving a sharing file sent by the main mobile terminal device and sending the sharing file to all electronic whiteboards which establish communication connection with the main mobile terminal device for displaying;
a synchronization step: when the display content of any electronic whiteboard changes, synchronously displaying the display content of all electronic whiteboards which are in communication connection with the main mobile terminal equipment;
screenshot sharing step: and receiving a sharing instruction sent by the main mobile terminal device, acquiring the current display content of the electronic whiteboard according to the sharing instruction, generating a sharing screenshot according to the current display content of the electronic whiteboard, and sending the sharing screenshot to the sub mobile terminal device.
7. The method for sharing content information of an electronic whiteboard according to claim 6, wherein the screenshot sharing step further comprises: and sending the sharing screenshot to a remote terminal through a local server.
8. The method for sharing content information of an electronic whiteboard according to claim 7, wherein the screenshot sharing step further comprises: when the confidentiality of the shared screenshot is public, the shared screenshot is sent to remote terminal equipment through a remote server; and when the confidentiality of the shared screenshot is secret, not uploading the shared screenshot to a remote server.
9. The method for sharing content information of an electronic whiteboard according to claim 8, further comprising: a network disconnection step: when a network disconnection command sent by any sub-mobile terminal device is received, a disconnection confirmation command is sent to the sub-mobile terminal device, and the sub-mobile terminal device is disconnected with the local server after a disconnection confirmation result fed back by the mobile terminal device is received.
10. The method for sharing content information of an electronic whiteboard according to claim 9, wherein in the network disconnection step, a disconnection confirmation instruction is sent to the sub-mobile terminal device, and simultaneously, a deletion instruction is sent to the sub-mobile terminal device, so that the sub-mobile terminal device deletes the shared screenshot from the local device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111610544.6A CN113992661A (en) | 2021-12-27 | 2021-12-27 | Sharing system and method of electronic whiteboard content information |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111610544.6A CN113992661A (en) | 2021-12-27 | 2021-12-27 | Sharing system and method of electronic whiteboard content information |
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| CN113992661A true CN113992661A (en) | 2022-01-28 |
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2021
- 2021-12-27 CN CN202111610544.6A patent/CN113992661A/en active Pending
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| CN102137039A (en) * | 2011-04-25 | 2011-07-27 | 苏州阔地网络科技有限公司 | Electric white board synchronous method and system based on community platform |
| US20180188890A1 (en) * | 2016-12-30 | 2018-07-05 | Champ Vision Display Inc. | Electronic whiteboard system and electronic whiteboard and operation method thereof |
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