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Local area network intercommunication method

A local area network and file technology, applied in the computer field, can solve problems such as communication blockage, Internet communication security measures are not strict, criminals intrusion, etc., to avoid data leakage, prevent PC from being invaded, and increase stability.

Inactive Publication Date: 2018-04-20
南京中冠智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Nowadays, the common Internet communication has the following disadvantages: when transmitting data on the Internet, it is easy for criminals to obtain information directly through some means; Internet communication security measures are not strict and easy to be invaded by criminals; in Internet communication, it is seriously affected by the network environment , if the network is not smooth, it is prone to communication congestion, packet loss, etc.

Method used

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  • Local area network intercommunication method

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Embodiment Construction

[0023] The present invention will be further explained below in conjunction with specific embodiments.

[0024] A kind of local area network intercommunication method, the PC used in the intercommunication local area network all installs the video capture card; Method steps are as follows:

[0025] S1: A PC in the LAN encodes the file to be sent into a picture through the data processing module, and outputs it to the graphics card; the attributes of the sent file include the file name, creation time, modification time, and the number of words in the file.

[0026] S2: The picture information entering the graphics card is transmitted to another LAN through the TMDS minimized transmission differential signal protocol of HDMI;

[0027] S3: A PC in another local area network acquires screenshots through the video capture card and stores them in the memory, and decodes the screenshot information into data output signals through the data processing module.

[0028] The coding proce...

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Abstract

The invention discloses a local area network intercommunication method, and the method comprises the steps: employing a TMDS (Transition Minimized Differential Signaling) protocol of an HDMI, transmitting file information which is converted into an image format to a video collection card in the other local area network through the HDMI, obtaining a digital signal of an image through the video collection card, analyzing the image information into an original file through a data processing module, and obtaining the transmitted data. The method can achieve the intercommunication of two independent local area networks, provides a channel of information communication for two PCs at different network segments, does not employ the Internet for communication, and avoids the possibility of data leakage and PC invasion. The method employs the TMDS protocol for transmission of data, and improves the data transmission stability.

Description

technical field [0001] The present invention relates to the field of computer technology, in particular to a local area network intercommunication method. Background technique [0002] With the development of the times, communication becomes more and more important. Most industries choose the Internet for communication. While the Internet brings convenience, it also brings problems such as information security. Therefore, for industries with high security requirements, the Internet will be avoided. However, as the industry is more closely connected, communication between each other is essential, and how to establish secure communication for two LANs that do not communicate is particularly important. [0003] Nowadays, the common Internet communication has the following disadvantages: when transmitting data on the Internet, it is easy for criminals to obtain information directly through some means; Internet communication security measures are not strict and easy to be invad...

Claims

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Application Information

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IPC IPC(8): H04L12/46H04L29/06H04N5/765
CPCH04L12/4633H04L65/60H04N5/765
Inventor 闫长睿王晶
Owner 南京中冠智能科技有限公司
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