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A method for identifying accessed USB Type C device by electronic device

A technology for electronic equipment and equipment, applied in the computer field, can solve problems such as low production cost USB TypeC equipment, and achieve the effect of reducing application risks, reducing hardware costs, and good signal effects

Active Publication Date: 2019-05-17
HEFEI LCFC INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present application provides a method for an electronic device to identify an inserted USB Type C device; to solve the problem that the operating system of a notebook computer cannot recognize the inserted USB Type C device with video function with less production cost

Method used

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  • A method for identifying accessed USB Type C device by electronic device
  • A method for identifying accessed USB Type C device by electronic device

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Embodiment Construction

[0051] Below, specific embodiments of the present application will be described in detail in conjunction with the accompanying drawings, but it is not intended as a limitation of the present application.

[0052] It should be understood that various modifications may be made to the embodiments disclosed herein. Accordingly, the above description should not be viewed as limiting, but only as exemplifications of embodiments. Those skilled in the art will envision other modifications within the scope and spirit of the application.

[0053] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the application and, together with the general description of the application given above and the detailed description of the embodiments given below, serve to explain the embodiments of the application. principle.

[0054] These and other characteristics of the present application will become apparent from the following...

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Abstract

The invention provides a method for identifying an accessed USB Type C device by an electronic device. The method comprises the following steps of receiving a prompt signal of connection state change,wherein the prompt signal at least comprises an access signal of the USB Type C equipment; when the prompt signal is an access signal, closing a USB port associated with a preset first characteristicsignal, wherein the USB port comprises a first port and a second port of an electronic equipment processor, the first port is connected with a first pin of an electronic equipment USB Type C interface, and the second port is connected with a second pin of the electronic equipment USB Type C interface. According to the application, a hardware chip does not need to be added, and the hardware cost is reduced, at the same time, the port in the CPU is directly connected with the USB Type C interface, so that the signal effect is better, and the application risk caused by using a third-party product is also reduced.

Description

technical field [0001] The present application relates to the field of computers, and in particular to a method for an electronic device to identify an inserted USB Type C device. Background technique [0002] Currently, laptops support the USB Type C interface. The USB Type C interface can not only support USB data transmission and charging functions, but also support video transmission functions (DP Altmode). However, most of the low-end notebook computers only support the data transmission and charging functions of the USB in consideration of cost, and do not support the video transmission function. Therefore, when such a USB Type C interface is connected to a notebook computer, the operating system of the notebook computer prompts an error message that the device cannot be recognized. [0003] Currently, there are mainly two methods to solve the above problems: [0004] One method is to establish a connection from the USB interface pins of the South Bridge of the note...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/10G06F13/40G06F13/42
Inventor 郑志亮杨磊
Owner HEFEI LCFC INFORMATION TECH
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