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Switching device and switching method of USB line

A switching device and line technology, applied in the direction of instruments, electrical digital data processing, energy-saving computing, etc., can solve the problems that KVM cannot be applied to the display requirements of multiple computers, and achieve the effects of low power consumption, high reliability, and fewer circuit components

Pending Publication Date: 2021-12-24
JINAN LICHENG POWER SUPPLY CO OF STATE GRID SHANDONG ELECTRIC POWER CO +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a switching device and a switching method of USB lines, which are used to solve the problem that KVM cannot meet the common display requirements of multiple computers when existing USB devices are shared

Method used

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  • Switching device and switching method of USB line
  • Switching device and switching method of USB line
  • Switching device and switching method of USB line

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Embodiment Construction

[0031] In order to clearly illustrate the technical features of this solution, the present invention will be described in detail below through specific implementation modes and in conjunction with the accompanying drawings. The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and / or letters in different instances. This repetition is for the purpose of simplicity and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. It should be noted that components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted herein to avoid unnecessarily limiting the...

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Abstract

The invention provides a switching device and a switching method of a USB line. The switching device comprises a gating module and a switch module; the switch module comprises a plurality of contacts, and the gating module is used for gating one or more of the plurality of contacts; the plurality of contacts are used for connecting the USB equipment with a plurality of hosts, the plurality of contacts comprise a common end and a free end, the common end is connected with the USB equipment, and the free end is connected with the hosts. The switch module with the multiple contacts is arranged and connected with the USB device and the multiple hosts, connection of one USB device and the multiple hosts is achieved, gating of the currently connected hosts is achieved through the gating module, only the USB device is switched in the whole process, display signals do not need to be switched, and compared with a KVM mode, the circuit elements are few, power consumption is low, the cost is far lower than that of a KVM, and the reliability is higher than that of a KVM.

Description

technical field [0001] The invention relates to the technical field of electronic circuits, in particular to a USB circuit switching device and a switching method. Background technique [0002] Automated operation and maintenance personnel and dispatchers need to use multiple computers / workstations (intranet office computers, scheduling automation workstations, distribution network automation workstations, etc.) at the same time due to work reasons, because each device has an independent mouse and keyboard. Different equipment needs to be moved to the corresponding workstations, which is inefficient and increases the labor intensity of personnel. At the same time, multiple keyboards and mouse stations use a large number of work surfaces, which affects the layout of the work surfaces. [0003] Such as figure 1 As shown, the main solution for the current multi-computer control management is to use a multi-computer switcher (KVM, Keyboard Video Mouse) to complete the switching...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/40
CPCG06F13/4022G06F2213/0042Y02D10/00
Inventor 贾鹏卢媛媛贾崇胜李化波张艳然戴韵轩高云黄峰李卫国
Owner JINAN LICHENG POWER SUPPLY CO OF STATE GRID SHANDONG ELECTRIC POWER CO
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