Light propagation communication system for television media

A communication system and media technology, applied in the field of optical communication systems, can solve the problems of high cost, high maintenance cost, electromagnetic pollution and so on

Inactive Publication Date: 2014-09-03
游齐昊
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The above-mentioned transmission methods have great limitations. The first one has high cost and higher maintenance cost. The second one has lower cost, but the signal is transmitted by radiation, which brings unnecessary electromagnetic interference. Pollution, excessive electromagnetic radiation is harmful to the human body

Method used

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  • Light propagation communication system for television media

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Embodiment Construction

[0015] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0016] see figure 1 , figure 1 It is a structural schematic diagram of the light propagation communication system used for television media provided by the present invention.

[0017] An embodiment of the present invention provides a light transmission communication system for television media. The light transmission communication system for television media includes: a transmitting terminal and a receiving terminal, wherein the transmitting terminal includes a terminal for converting communication signals into current pulses A converter, a clock and data recovery circuit (CDR) connected to the convert...

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Abstract

The invention provides a light propagation communication system for television media. The light propagation communication system for the television media comprises a transmitting terminal and a receiving terminal, wherein the transmitting terminal comprises a converter, a clock, a data recovery circuit and an LED array, wherein the converter is used for converting communication signals to current pulses, the clock and the data recovery circuit are connected with the converter, and the LED array is connected with the clock and the data recovery circuit and emits light according to the received current pulses. The receiving terminal comprises a photodiode, a clock, a data recovery circuit and a decoder, wherein the clock and the data recovery circuit are connected with the photodiode, and the decoder is connected with the clock and the data recovery circuit. The light propagation communication system has the advantages that through visible light transmission information, different from wireless communication, visible light communication depends on light signals of visible light for transmission, and electromagnetic radiation cannot be generated; different from optical fiber communication, visible light communication is independent of any transmission medium; visible light communication is achieved through free transmission of light in an open space environment, and a certain lighting function can be achieved.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a light propagation communication system used for television media. Background technique [0002] In the traditional communication field, the communication methods are as follows: [0003] 1) Wired communication, connecting the sending end and the receiving end with a cable, and sending information from the sending end to the receiving end through electrical signals. [0004] 2) In wireless communication, information is loaded on a high-frequency signal at the sending end, and radiated to space through the antenna, and the receiving end receives the signal radiated from time to time, demodulates it and restores it to useful original information. [0005] 3) Optical fiber communication, connect the sending end and the receiving end with optical fiber, modulate the information into an optical signal at the sending end, send the optical information to the receiving end throug...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B10/116
Inventor 游齐昊
Owner 游齐昊
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