Terminal and system used for detecting and controlling attachment, and attachment

An accessory and terminal technology, applied in the field of communications, can solve the problems of user inconvenience, inability to directly use wireless chargers, affecting the simplicity of the appearance of the terminal, etc.

Active Publication Date: 2013-09-18
山东蓝海工业互联网有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, accessories such as wireless chargers, charging treasures, speakers, and LCD displays cannot be directly used on these interfaces. Interfaces for expansion devices, such as expansion slots or docking stations, in order to connect different types of accessories on these interfaces
However, this not only affects the simple appearance of the terminal, but also causes the user to carry an extension device when going out, causing great inconvenience to the user

Method used

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  • Terminal and system used for detecting and controlling attachment, and attachment
  • Terminal and system used for detecting and controlling attachment, and attachment
  • Terminal and system used for detecting and controlling attachment, and attachment

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Embodiment Construction

[0019] In the following description, for purposes of illustration rather than limitation, specific details, such as specific system architectures, interfaces, and techniques, are set forth in order to provide a thorough understanding of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

[0020] refer to figure 1 , figure 1 It is a circuit diagram of an embodiment of a terminal used for accessory detection and control in this application. The terminal 100 for accessory detection and control in this embodiment includes at least six contacts, a first contact L1, a second contact L2, a third contact L3, a fourth contact L4, a fifth contact L5, The sixth contact L6. ...

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PUM

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Abstract

The invention discloses a terminal and a system used for detecting and controlling an attachment, and the attachment, wherein each of the terminal and the attachment comprises at least six contacts, the terminal is used for being connected with the attachment, and the system comprises the terminal and the attachment. When the attachment is accessed to the terminal, a third contact inputs a triggering level to a second interrupted port for triggering interruption so as to enable the terminal to enter an interrupted service program so as to be informed that the attachment is connected with the terminal, a second contact reads a voltage value between the second contact and a six contact through an analog-digital conversion port so as to enable the terminal to judge the type of the attachment accessed to the terminal according to the voltage value, and the terminal controls the attachment according to the type of the attachment. When the attachment is removed from the terminal, the terminal recovers a signal channel to a default state. After the above scheme is adopted, the terminal is used for detecting and controlling different attachments through six contacts, so that a user is enabled to replace different attachments for expanding the functions of the terminal according to needs.

Description

technical field [0001] The present application relates to the communication field, in particular to a terminal, an accessory and a system for detecting and controlling an accessory. Background technique [0002] Accessory is a way to expand terminal functions. Users can match different accessories to achieve corresponding functions according to needs. However, different types of accessories need to be connected with corresponding interfaces to work normally. At present, the terminal shape is becoming more and more concise, especially the interface design is becoming more and more concise. How to be compatible with more types of accessories under limited pin conditions so that users can expand terminal functions according to needs. [0003] The prior art provides a method of interface multiplexing, which integrates the data communication interface, audio and video interface, and charging interface into one physical interface, so as to reduce the number of interfaces and achie...

Claims

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Application Information

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IPC IPC(8): H04M1/02
Inventor 顾瞻
Owner 山东蓝海工业互联网有限公司
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