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Visible light communication based data transmission method between computer and visible light transceiver

A data transmission method and visible light communication technology, applied in free space transmission, short-range systems, etc., can solve the problems of USB interface constraints and poor confidentiality, and achieve the effect of strong confidentiality.

Active Publication Date: 2015-07-22
HARBIN INST OF TECH
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  • Claims
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AI Technical Summary

Problems solved by technology

[0004] The present invention aims to solve the problem of poor confidentiality and serious constraints of the USB interface in the current data transmission method using a USB interface and a computer, thereby providing a data transmission method based on visible light communication between a computer and a visible light transceiver device

Method used

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  • Visible light communication based data transmission method between computer and visible light transceiver
  • Visible light communication based data transmission method between computer and visible light transceiver
  • Visible light communication based data transmission method between computer and visible light transceiver

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specific Embodiment approach 1

[0037] Specific implementation mode 1. Combination Figure 1 to Figure 9 Describe this specific implementation mode, the data transmission method based on visible light communication between the computer and the visible light transceiver device, which is realized based on the computer and the visible light transceiver device; the display screen of the computer is composed of the existing display screen and the display screen with visible light communication function composition;

[0038] The data transmission method includes the following two data transmission methods: 1. A data transmission method in which a computer is used as a data transmitter and a visible light transceiver device is used as a data receiver; 2. A data transmission method in which a visible light transceiver device is used as a data transmitter and a computer is used as a data receiver. method, where:

[0039] A data transmission method in which the computer is used as the data transmitter and the visible...

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Abstract

The invention discloses a visible light communication based data transmission method between a computer and a visible light transceiver, and relates to a data transmission method based on the visible light communication, which solves the problems that the existing data transmission method between a USB interface and a computer is bad in security and severely limited by the USB interface. The transmission process I is as follows: a central processing unit (CPU) of the computer displays an image on the existing display screen and a display screen with the function of visible light communication; and the visible light transceiver focuses the image on a light sensor and performs self-adaptive amplification, matched filtering, sampling and judgment to the image to obtain the transmitting data of the computer. The transmission process II is as follows: the data to be transmitted is modulated and transmitted by a visible light communication luminescent area; and the computer focuses the visible light on the light sensor and performs self-adaptive amplification, matched filtering, sampling and judgment to obtain the transmitting data of the visible light transceiver. The data transmission method is applied to the data transmission between the computer and the visible light transceiver.

Description

technical field [0001] The invention relates to a data transmission method based on visible light communication. Background technique [0002] At present, with the popularization of computers, more and more people use computers to process data. The computers involved here include desktops, notebooks, personal digital assistants (PDAs), and smart phones with operating systems. After processing the data on the computer, if you need to transfer the data to other intelligent processors, you need to use storage devices, including U disk, SD card and many other options. The mainstream interface is to use Universal Serial Bus (Universal Serial Bus, abbreviated as USB), is a serial bus standard that connects computer systems and external devices. The USB interface is a commonly used interface in the current consumer electronics market, and its popularity is very high. If there is a USB interface in the computer, it can support the access of the USB device. On the one hand, this p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B10/116
Inventor 何胜阳赵雅琴任广辉
Owner HARBIN INST OF TECH
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