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USB connection method and USB concentrator

A USB interface and hub technology, applied in the field of computer aided equipment, to achieve the effect of convenient use and improved user experience

Active Publication Date: 2015-09-02
HISENSE BROADBAND MULTIMEDIA TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The USB connection method and the USB hub provided by the embodiments of the present invention solve the problem that the existing USB HUB needs to connect the USB master device through a specific USB interface

Method used

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  • USB connection method and USB concentrator
  • USB connection method and USB concentrator

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Embodiment Construction

[0022] 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.

[0023] Embodiments of the present invention provide a universal serial port (Universal Serial Bus-HUB, referred to as USB) hub, such as figure 2 As shown, the USB hub includes a microcontroller (Microcontroller Unit, MCU for short) 21, a USB interface 22, an uplink interface 23 and a first switch module 24, and the first switch module 24 is connected to the USB interface 22 and the uplink interface 23 respectively, wherein :

[0024] When the USB device conn...

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Abstract

The embodiment of the invention provides a USB connection method and a USB concentrator, and relates to the field of computer auxiliary equipment. The problem that an existing USB HUB needs to be connected with a USB primary device through a specific USB port is solved. The USB concentrator comprises a MCU, an uplink port, a USB port and a first switch module. The USB port is connected with the first switch module. The first switch module is connected with the USB port and the uplink port. When a USB device connected with the USB port is a USB primary deice, the MCU is used for controlling the first switch module to switch on the circuit between the USB port and the uplink port. The USB connection method is applied to the USB concentrator.

Description

technical field [0001] The invention relates to the field of computer auxiliary equipment, in particular to a USB connection method and a USB hub. Background technique [0002] The connection of the data packet signal in the current serial port hub (English full name: Universal Serial Bus-HUB, referred to as USB-HUB) is usually divided into two kinds of uplink connection and downlink connection. Wherein, the uplink is oriented to the host, and when a downlink interface detects a data packet start signal, only an uplink to the uplink interface is established, for example, an insertion operation of a U disk. The downlink connection is oriented to the connected USB device. When the USB HUB detects the data packet start signal on the uplink interface, it establishes a connection to the downlink interface, for example, the computer reads the U disk. [0003] Specifically, refer to figure 1 As can be seen from the internal structure diagram of the existing USB-HUB shown, the exi...

Claims

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Application Information

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IPC IPC(8): G06F13/40G06F13/38
CPCG06F13/385G06F13/4068G06F2213/0042
Inventor 高均波彭翠平李奎星刘永波高彦斌
Owner HISENSE BROADBAND MULTIMEDIA TECH
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