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High-definition sdi digital video signal optical fiber transparent transmission device

A digital video and optical fiber transmission technology, applied in the field of communication, can solve the problems of large signal attenuation and limited distance, and achieve the effects of strong anti-electromagnetic interference, large transmission bandwidth, and good real-time transmission.

Active Publication Date: 2018-09-11
CHINA SOUTH IND GRP SHANGHAI ELECTRIC CONTROL RES INST
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  • Abstract
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  • Application Information

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Problems solved by technology

[0003] In view of the above analysis, the present invention aims to provide a high-definition SDI digital video signal optical fiber transparent transmission device to solve the problems of excessive signal attenuation and limited distance in the existing long-distance transmission of high-definition SDI video signals, and to ensure the integrity of the video signal real-time transmission

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  • High-definition sdi digital video signal optical fiber transparent transmission device
  • High-definition sdi digital video signal optical fiber transparent transmission device

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Embodiment Construction

[0032] Preferred embodiments of the present invention will be specifically described below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the application and are used together with the embodiments of the present invention to explain the principles of the present invention. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0033] Such as figure 1 as shown, figure 1 It is a schematic structural diagram of the device described in the embodiment of the present invention, which may specifically include an SDI optical fiber transmission receiving end and an SDI optical fiber transmission sending end, wherein the SDI optical fiber transmission sending end includes: a sending end cable equalization module 11, and a sending end retiming module 12 , the sen...

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Abstract

The invention relates to a high-definition SDI (Serial Digital Interface) digital video signal optical fiber transparent transmission device. The high-definition SDI digital video signal optical fiber transmission device comprises an SDI optical fiber transmission sending end and an SDI optical fiber transmission receiving end, wherein the SDI optical transmission sending end is used for converting an SDI high-definition digital video signal input by a user into an optical signal through signal processing, and transmitting the optical signal through an optical fiber medium; the SDI optical fiber transmission receiving end is used for receiving a high-speed serial optical signal transmitted by n optical fiber, reducing the optical signal into the SDI high-definition digital video signal through the signal processing, and outputting the SDI high-definition digital video signal to a video receiving end. The high-definition SDI digital video signal optical fiber transparent transmission device is compatible with the transmission of various SDI digital video formats, and has the advantages of high transmission instantaneity, large transmission bandwidth and high electromagnetic interference resistance.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a high-definition SDI digital video signal optical fiber transparent transmission device. Background technique [0002] Serial Digital Interface (SDI, Serial Digital Interface) is a standard for digital video transmitted on a coaxial cable. According to different resolutions, its transmission rate can reach 2.97Gbps, 1.48Gbps and 270Mbps, so SDI video can cover large Part of the video application fields from high definition to standard definition, in various industrial monitoring fields, SDI adopts uncompressed video transmission mode, so it has the advantages of high real-time monitoring, good image quality, and low transmission delay, and has become the mainstream in the industry. But in the signal transmission link, due to the demand of high-definition video, the increase of signal transmission rate will put forward very strict requirements on traditional cables, especi...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/18H04N7/22
Inventor 孙偲晟李戎
Owner CHINA SOUTH IND GRP SHANGHAI ELECTRIC CONTROL RES INST
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