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Fiber-transmission digital visual interface (DVI)

A digital video interface and optical fiber transmission technology, which is applied in the field of optical fiber transmission digital video interface, can solve the problems of low bit error rate, achieve low bit error rate, solve data security, and improve the effect of signal transmission distance

Inactive Publication Date: 2012-06-27
江苏飞格光电有限公司
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0007] The invention transmits the DVI input and output signals through optical fibers, greatly improving the signal transmission distance, the effective transmission distance can reach 500 meters, the bit error rate is low, and the problems of data security and anti-magnetic interference are effectively solved

Method used

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  • Fiber-transmission digital visual interface (DVI)
  • Fiber-transmission digital visual interface (DVI)
  • Fiber-transmission digital visual interface (DVI)

Examples

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Embodiment Construction

[0010] Such as figure 1 As shown, the optical fiber transmission digital video interface includes an input DVI module that can be connected to a DVI data source and an output DVI module that can be connected to a digital video device. The input DVI module is connected to a photoelectric converter that can convert electrical signals into optical signals Transmitter, the photoelectric conversion transmitter is connected with an electro-optic conversion receiver capable of converting optical signals into electrical signals through a section of optical fiber, and the signal of the electro-optic conversion receiver is output to the output DVI module. During its working process, the red, green and blue color data generated by the image source are encoded and serialized by the input DVI module according to the TMDS protocol. The DVI module is sent to digital video equipment.

[0011] In the embodiment of the present invention, four MAX3740 chips can be used in the photoelectric conv...

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Abstract

The invention relates to a high definition video transmission device and especially relates to a fiber-transmission digital visual interface (DVI). The fiber-transmission DVI of the invention comprises: an input DVI module which can be connected with a DVI data source and an output DVI module which can be connected with digital video equipment. The input DVI module accesses one photoelectric conversion transmitter which can convert an electric signal into a light signal. The photoelectric conversion transmitter is connected with an electro-optic conversion receiver which can convert the light signal into the electric signal through a section of fiber. The signal of the electro-optic conversion receiver is output to the output DVI module. According to the invention, through the fiber, the DVI input and output signals are transmitted. A signal transmission distance can be substantially increased. The effective transmission distance can reach 500 meters. An error rate is low. Problems, such as data safety, magnetic interference resistance and the like, can be effectively solved.

Description

technical field [0001] The invention relates to a high-definition video transmission device, in particular to an optical fiber transmission digital video interface. Background technique [0002] At present, most computers and external display devices are connected through an analog VGA interface. The display image information generated digitally inside the computer is converted into R, G, B by the D / A (digital / analog) converter in the graphics card. The three primary color signals and the line and field synchronous signals are transmitted to the display device through cables. For analog display devices, such as analog CRT monitors, the signal is directly sent to the corresponding processing circuit to drive and control the picture tube to generate images. For digital display devices such as LCD and DLP, a corresponding A / D (analog / digital) converter needs to be configured in the display device to convert the analog signal into a digital signal. After D / A and A / D2 conversio...

Claims

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Application Information

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IPC IPC(8): H04N7/22H04N7/015
Inventor 詹敦平徐东进周四海何笑迪
Owner 江苏飞格光电有限公司
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