Ultra-high-definition long-distance HDMI (High-Definition Multimedia Interface) cable

Abstract

This invention relates to an ultra-high-definition long-distance HDMI cable. The HDMI cable includes a cable containing an optical fiber inside; one end of the cable is connected with a high-definition multimedia transmitting module provided with a first HDMI connector, and the other end is connected with a high-definition multimedia receiving module provided with a second HDMI connector; a first electro-optical conversion module, a second electro-optical conversion module and a first optical import / export fiber module are arranged in the high-definition multimedia transmitting module; and, a first optical-electro conversion module, a second optical-electro conversion module and a second optical import / export fiber module are arranged in the high-definition multimedia receiving module. Aiming at the defect of the prior art, through arranging the electro-optical conversion modules and the optical-electro conversion modules in the transmitting module and the receiving module, HDMI audio signals, video signals and E-DDC (Enhanced Display Data Channel) control signals are all converted into optical signals and transmitted by the optical fiber; thus, the problem that high-speed signals cannot be transmitted due to the loss of the copper cable can be solved; and the long-distance transmission problem is further solved.

Description

technical field [0001] The invention relates to the field of HDMI, in particular to an ultra-high-definition long-distance HDMI optical cable. Background technique [0002] With the rapid development and progress of digital high-definition technology, various ultra-high-definition audio and video equipment have been launched, such as 4K high-definition playback boxes, Blu-ray DVD players, high-definition digital set-top boxes, high-definition projectors, and high-definition display devices such as ultra-high-definition TV (UHD: Ultra High Definition Television), full high-definition (FHD) display, etc. have entered people's home life. A new era of ultra-high-definition is accelerating. [0003] High Definition Multimedia Interface HDMI (English: High Definition Multimedia Interface) is a digital video / audio interface technology, a dedicated digital interface suitable for image transmission, which can simultaneously transmit audio and video signals. With the official releas...

AI Technical Summary

Problems solved by technology

Due to the attenuation of high-speed electrical signals and the increase of crosstalk, the cable cannot meet the long-distance transmission requirements of HDMI

The amount of data transmitted by E-DDC increases, and the photoelectric composite cable cannot solve the capacitance of the copper cable, which leads to poor cable compatibility.

Moreover, the manufacturing cost of high-gauge cables increases sharply with the increase of cable length

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