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USB transmission line, mobile terminal and USB charging method

A technology of mobile terminal and transmission line, applied in the field of USB transmission line, mobile terminal and USB charging, can solve the problems of poor versatility and slow charging speed of USB transmission line, and achieve the effect of ensuring charging safety

Active Publication Date: 2017-02-01
SHANGHAI TRANSSION CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The main purpose of the present invention is to overcome the defects of the prior art and provide a USB transmission line and USB charging method to improve the problems of slow charging speed and poor versatility of the existing USB transmission lines

Method used

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  • USB transmission line, mobile terminal and USB charging method
  • USB transmission line, mobile terminal and USB charging method
  • USB transmission line, mobile terminal and USB charging method

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Embodiment Construction

[0022] In order to make the content of the present invention clearer and easier to understand, the content of the present invention will be further described below in conjunction with the accompanying drawings. Of course, the present invention is not limited to this specific embodiment, and general replacements known to those skilled in the art are also covered within the protection scope of the present invention.

[0023] See figure 2 , the USB transmission cable in this embodiment includes a first plug 1 inserted into the mobile terminal, a second plug 2 inserted into the charger, and a cable 3 connecting the first plug and the second plug. The mobile terminal in this specification includes mobile terminals such as portable phones, smart phones, notebook computers, digital broadcast terminals, personal digital assistants, portable multimedia players, navigation systems, etc., and the present invention is not limited thereto.

[0024] Such as image 3 As shown, the first p...

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Abstract

The invention discloses a USB transmission line. The USB transmission line comprises a first plug, a second plug and a cable, wherein the first plug is inserted into a mobile terminal, the second plug is inserted into a charger, the cable is connected with the first plug and the second plug, the USB transmission line is characterized in that the first plug is provided with at least two power pins, at least two grounding pins, a plurality of data signal pins and a mark pin, and the mark pin is connected in series with a resistor and then is connected with the ground. The identification of the USB transmission line can be achieved without extra chip.

Description

technical field [0001] The invention relates to the technical field of connectors, in particular to a USB transmission line, a mobile terminal and a USB charging method. Background technique [0002] Today, with the rapid development of electronic technology, the functions of portable devices such as smartphones, tablet computers, digital cameras, and multimedia players have become more abundant, bringing great convenience to life and communication. With the continuous emergence of portable devices, the USB interface has also been greatly popularized due to its advantages such as fast transmission speed, convenient use, support for hot plugging, flexible connection, and independent power supply. In addition to using the USB interface for data transmission, charging the lithium battery used in portable devices is also a hot spot in the current USB interface application. [0003] figure 1 Shown is a schematic diagram of a USB connector in the prior art. The USB plug 100 has ...

Claims

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Application Information

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IPC IPC(8): H01R31/06H02J7/00H01R13/652H01R13/66
CPCH01R13/652H01R13/665H01R31/06H02J7/00
Inventor 潘志浪郭辉奇秦西利
Owner SHANGHAI TRANSSION CO LTD