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USB transmitting interface facility for decreasing working current

A technology of transmission interface and working current, applied in the input/output process of data processing, electrical digital data processing, instruments, etc., can solve the problems of large power consumption, reduce current usage, expand the scope of application and product types, The effect of improving convenience

Inactive Publication Date: 2005-02-23
PROLIFIC TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a USB transmission interface device that can reduce the operating current, and replace the USB physical layer and the USB standard bus through a USB improved transmission bus, which can completely solve the problem of the USB transmission interface device due to the USB physical layer and the USB standard bus. Excessive power consumption due to the existence of the USB standard bus

Method used

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  • USB transmitting interface facility for decreasing working current
  • USB transmitting interface facility for decreasing working current
  • USB transmitting interface facility for decreasing working current

Examples

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Embodiment Construction

[0045] First, see figure 2 , is a schematic structural diagram of a preferred embodiment of the USB transmission interface device of the present invention; as shown in the figure, the present invention is mainly applicable to a USB client device 21 or a USB host 25, for example, at least one USB transmission interface is provided inside data storage devices (such as external hard disk, DVD-ROM, CD-R, CD-RW or MO, etc.), computer peripheral devices (such as scanners, printers, mice, keyboards or card readers, etc.), computer devices ( Such as Notebook PC, Desktop PC or Table PC, etc.), electronic keys, multimedia devices, camera devices (such as digital cameras, digital video recorders or computer cameras, etc.), communication devices (such as mobile phones, etc.), 3C consumer electronics devices (such as PDA etc.), IA information appliances or I / O function devices.

[0046] Wherein, the USB client device 21 is provided with at least one client function module 211, and the cl...

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Abstract

The USB transmission interface device consists of CPU connected to a host USB controller and USB client and device including function module connected to client end USB controller which can select to connect either with host USB controller or CPU through USB modified transmission bus.

Description

technical field [0001] The invention relates to a USB transmission interface device, in particular to a USB transmission interface device which is beneficial to product design and convenience in use and can reduce the usage of working current. Background technique [0002] The USB (Universal Serial Bus) interface is a serial transmission interface on information products. After promotion in recent years, it has already become a representative of a new generation of information product interfaces. It can easily and quickly connect multiple information products. together, and can install the external device to be connected without opening the case of the information product, reducing the trouble of opening the case and inserting the card. USB compatible devices provide users with the advantages of convenience, expandability and high transmission speed, so they are widely used in various computer peripheral devices, information appliances (IA) or 3C consumer electronics product...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/00
Inventor 林传生戴瑞镕李钟亮
Owner PROLIFIC TECH INC
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