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A data transmission method and transmission device

A data transmission method and technology of transmission equipment, applied in the field of data transmission method and transmission equipment, can solve the problems of inability to meet the requirements of high-speed data transmission, poor anti-interference ability, fast signal attenuation, etc., and achieve difficult electromagnetic interference and slow signal attenuation. , The effect of strong anti-interference ability

Active Publication Date: 2017-12-08
西安讯智通达科技有限公司
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  • Claims
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Problems solved by technology

[0004] 1. Using copper wire as the transmission medium, the signal attenuation is fast and the transmission distance is short;
[0005] 2. Since the voltage signal in the transmission process is a small signal, the anti-interference ability is poor, and it is easy to be interfered by the electromagnetic environment to cause bit errors;
[0006] 3. Since copper wires also have resistance, using copper wires as a transmission medium can no longer meet the current high-speed data transmission requirements

Method used

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  • A data transmission method and transmission device
  • A data transmission method and transmission device
  • A data transmission method and transmission device

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Embodiment Construction

[0055] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0056] In order to overcome the shortcomings of fast signal attenuation, short transmission distance, poor anti-interference ability and slow transmission speed caused by using copper wire as the data transmission medium in the prior art, this application proposes a solution, according to the received input The voltage signal generates an optical ...

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Abstract

The invention provides a data transmission method. The method comprises the steps that: a transmission device generates an optical signal according to a received input voltage signal; the transmission device transmits the optical signal to the other end of the transmission device; the other end of the transmission device generates an output voltage signal according to the optical signal, and the transmission device is enabled to output the output voltage signal. According to the invention, long-distance transmission is performed, the interference resistance is high, and the requirements of high speed transmission are met.

Description

technical field [0001] The invention relates to the field of data transmission, in particular to a data transmission method and transmission equipment. Background technique [0002] The current USB (Universal Serial Bus, Universal Serial Bus) data line for data transmission uses twisted-pair copper wires as the transmission medium. The traditional USB includes four signal types: data bus, control, power, and ground during transmission. Among them, data transmission depends on the data line data bus to achieve, usually using copper medium twisted pair; Control line is the control signal; Power line is mainly used to supply power or feed power to the device; Ground is used as the ground loop, grounding and signal reflow purposes. The entire data sending and receiving process includes the main device host, the slave device device, and the transmission medium cable, all based on electrical signal processing and transmission, specifically as figure 1 shown. [0003] In the pro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B10/25H04B10/27
CPCH04B10/2589H04B10/27
Inventor 陈柱
Owner 西安讯智通达科技有限公司
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