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universal serial bus usb extension cable

A universal serial bus and extension cable technology, applied in coupling devices, instruments, electrical digital data processing and other directions, can solve the problems of low signal transmission speed and short signal transmission distance, reduce costs, improve signal transmission distance and signal transmission. The effect of transfer rate

Active Publication Date: 2018-11-20
SHENZHEN LONTIUM SEMICON TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of this, the present invention provides a universal serial bus USB extension cable to overcome the problems of shorter signal transmission distance and lower signal transmission speed of the USB extension cable in the prior art

Method used

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Embodiment Construction

[0057] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0058] Such as figure 2 As shown in , it is a circuit diagram of a universal serial bus USB extension cable provided by the embodiment of the present application.

[0059] figure 2 shows the USB interface chip 201 and the USB interface chip 202 connected by USB wire.

[0060] The optional USB interface chip can be a USB hub or a USB repeater.

[0061] The USB interface chip 201 includes: a memory 2011 , a first USB receiving module 2012 , a first USB send...

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Abstract

An embodiment of the invention provides a universal serial bus (USB) extension cord. According to the USB extension cord, in processes of transmitting a standard USB signal and a class standard USB signal, a second USB transmitting module and a second USB receiving module in each USB interface chip and a USB wire connected with two USB interface chips are multiplexed, so that hardware cost is lowered, and connecting lines of two USB interface chips are not required to be occupied independently; and in addition, the second USB transmitting module can convert a non-stand USB signal into the class standard USB signal, and the class standard USB signal can be transmitted through the USB wire. Each module in every USB interface chip in the USB extension cord is relatively high in performance, and the signal transmission rate is relatively high, so that the signal transmission distance and signal transmission rate of the USB extension cord are improved consequently.

Description

technical field [0001] The embodiment of the present application relates to the field of universal serial bus technology, and more specifically relates to a universal serial bus USB extension cable. Background technique [0002] At present, when a USB (Universal Serial Bus, universal serial bus) Host (host) communicates with a USB Device (equipment), a USB extension cable needs to be added. Such as figure 1 Shown is a circuit diagram in the prior art where the USB Host is connected to the USB Device through a USB extension cable. The USB extension line includes a chip 11 and a chip 12. The chip 11 includes: a first circuit 111 and a second circuit 112, wherein the first circuit 111 includes: a first USB receiving module (USB RX) 1, a first USB sending module (USBTX) 1. The second USB receiving module (USB RX) 2 and the second USB sending module (USB TX) 2; the second circuit 112 includes: SRAM1 (Static Random Access Memory, static random access memory), TX (transmit, trans...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01R31/06H01R13/66G06F13/42
CPCG06F13/4282H01R13/6691H01R31/065H01R2201/06
Inventor 边慧陈峰付家喜赵瑞王振
Owner SHENZHEN LONTIUM SEMICON TECH CO LTD
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