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High-definition multimedia interface HDMI active optical cable circuit

A high-definition multimedia and optical cable technology, applied in TV systems, TVs, electrical components and other directions suitable for optical transmission, can solve the problem of short distance of reliable transmission of HDMI cables, and achieve the effect of extending transmission distance and ensuring signal quality.

Inactive Publication Date: 2019-04-05
SHENZHEN GIGALIGHT TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The embodiment of the present application provides an HDMI active optical cable circuit, which is used to solve the problem in the prior art that the reliable signal transmission distance of the HDMI cable is relatively short

Method used

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  • High-definition multimedia interface HDMI active optical cable circuit
  • High-definition multimedia interface HDMI active optical cable circuit
  • High-definition multimedia interface HDMI active optical cable circuit

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Embodiment Construction

[0016] In order to solve the technical problem of short reliable transmission distance of existing HDMI cables, an embodiment of the present application provides an HDMI active optical cable circuit.

[0017] like figure 1 As shown, it is a schematic structural diagram of the HDMI AOC circuit provided by the embodiment of the present application, including: a transmitting end 11, a receiving end 12, and a cable body 13. The transmitting end is also called a Source end, and the receiving end is also called a Sink end.

[0018] The transmitting end 11 includes: a first HDMI connector and an optical transmitter;

[0019] The receiving end 12 includes: an optical receiver and a second HDMI connector;

[0020] The cable body 13 includes: an optical fiber and a cable, wherein the first HDMI connector transmits control signals through the cable, and these control signals may include: SCL (Serial Clock, serial clock) signal, SDA (Serial Data, serial data) signal , HPD (Hot Plug Dete...

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Abstract

The embodiment of the present invention provides a high-definition multimedia interface HDMI active optical cable circuit solves the problem that the reliable transmission signal distance of an HDMI cable is short in the prior art. The circuit includes: a first HDMI connector, an optical transmitter, an optical fiber, a cable, an optical receiver and a second HDMI connector; the optical transmitter is configured to receive an electrical signal output by the first HDMI connector, and convert the electrical signals to optical signals and output the optical signals to the optical receiver; and the optical receiver is configured to receive the optical signals output by the optical transmitter, convert the optical signals into electrical signals, take power from the electrical signals and output the electrical signals to the second HDMI connector. In the scheme provided by the embodiment of the invention, an optical power composite cable is employed to transmit signals to prolong the signaltransmission distance and ensure the signal transmission quality.

Description

Technical field [0001] The present application relates to the technical field of Active Optical Cable (AOC), and in particular to a High Definition Multimedia Interface (HDMI) active optical cable circuit. Background technique [0002] With the rapid development of digital broadband technology, high-quality compression technology continues to transfer analog images and voices into digital networks. In order to transmit signals faster and clearer, HDMI cables have appeared on the existing market. HDMI technology can Transmit uncompressed audio signals and high-resolution video signals, such as for use on flat-panel TVs, high-definition players, projectors, digital cameras and other equipment. However, the vast majority of HDMI cables on the market are pure cables, which are reliable The working length is 10 meters. After exceeding this length, the display device will experience signal loss and interference, resulting in unclear images, screen freezes, weak audio signals, and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/765H04N7/22H04N7/10
CPCH04N5/765H04N7/10H04N7/22
Inventor 路广黄嘉宏李振东
Owner SHENZHEN GIGALIGHT TECH
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