Remote desktop transmission based courseware resource synchronous reading device and operating method thereof

A remote desktop and courseware technology, applied in the field of education informatization, can solve the problems of image algorithm synchronization screen jam, affecting teaching effect, etc., to achieve the effect of synchronous reading, high efficiency, excellent picture quality, and high picture fluency.

Inactive Publication Date: 2017-10-13
HUAZHONG NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the rapid development of education informatization, smart devices are gradually entering the classroom. Although students can obtain courseware resources on their own terminals, sometimes teachers need to combine courseware resources to teach courses step by step. Unsynchronized courseware playback on each terminal is likely to affect Teaching effect
[0003] For synchronous reading, most of the traditional technologies adopt the method of grabbing screenshots and transmitting them. The disadvantage of this method is that improper processing of the image algorithm may easily cause the synchronous screen to freeze.

Method used

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  • Remote desktop transmission based courseware resource synchronous reading device and operating method thereof
  • Remote desktop transmission based courseware resource synchronous reading device and operating method thereof
  • Remote desktop transmission based courseware resource synchronous reading device and operating method thereof

Examples

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Comparison scheme
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Embodiment 1

[0024] The embodiment of the present invention provides a device for synchronous browsing of courseware resources based on remote desktop transmission, such as figure 1 Shown, including the host side, client side, server;

[0025] Described server adopts webservice and database to combine to provide the transmission of data between host end and client end, server is used for data storage and data exchange, and server database is set and named as the property storage connection string of ConnectionString, and setting is named as flag attribute to manage the status of synchronous browsing initiation.

[0026] The host side, with the help of the RDP Session remote desktop session control of Windows, generates a remote desktop connection string, which contains the information needed to establish a connection, sets the authority to only allow viewing, and sends the connection string to the server for storage. , and modify the flag to 1, indicating that the synchronous browsing sta...

Embodiment 2

[0031] The embodiment of the present invention provides a working method of the above-mentioned courseware resource synchronous browsing device based on remote desktop transmission, such as figure 2 shown, including the following steps:

[0032] S1, the host initiates synchronous browsing of courseware resources;

[0033] S2, set permissions on the host side and generate connection strings; permissions are limited to only allowing viewing, and generate connection strings through Windows RDP Session;

[0034] S3, the host side sends the connection string to the server database; writes the connection string into the ConnectionString attribute of the server database, and modifies the flag attribute to 1, which means that the synchronous browsing is enabled;

[0035] S4, the client end receives the connection string; the client end obtains the enabled status of the synchronous browsing by periodically and regularly inquiring about the flag attribute of the server, and pulls the ...

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Abstract

The invention belongs to the field of education informatization, and provides a remote desktop transmission based courseware resource synchronous reading device and an operating method thereof. According to the invention, a data central control mechanism is built in a database of a server, a host initiates courseware resource synchronous reading, sends a connection string to the server to store by the aid of remote desktop session control provided by the Windows and sets the remote permission to be only watching, and meanwhile, a flag attribute value of the database of the server is modified to be 1, that is, the state is switched to synchronous initiating. A client queries the server at regular time, reception for the connection string stored in the server is started once a flat bit occupation state is acquired. The client locally creates a remote desktop watch control, and can receive a picture by transferring the received string into the control. The remote desktop transmission based courseware resource synchronous reading device can effectively ensure the fluency of the picture, and provide powerful help for synchoronus reading of courseware in a local area network.

Description

technical field [0001] The invention belongs to the field of educational informatization, and in particular relates to a device for synchronously reading courseware resources based on remote desktop transmission and a working method thereof, which is suitable for synchronously reading classroom courseware. technical background [0002] In traditional teaching, students can only obtain courseware resources in the classroom by watching the content projected by the teacher on the screen. This has certain obstacles to teaching in large classrooms. The farther the distance is, the more difficult it will be for students to obtain the detailed content of courseware resources. With the rapid development of education informatization, smart devices are gradually entering the classroom. Although students can obtain courseware resources on their own terminals, sometimes teachers need to combine courseware resources to teach courses step by step. Unsynchronized courseware playback on each...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08G06F9/44
CPCH04L67/08H04L67/1095H04L67/141H04L67/146
Inventor 朱晓亮刘三女牙石昀东李丽
Owner HUAZHONG NORMAL UNIV
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