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Isolation control circuit and method and mobile terminal

A technology for controlling circuits and control methods, applied to circuits, electrical components, antennas, etc., can solve the problems of insufficient antenna isolation and low communication quality of mobile terminals, and achieve the effects of improved communication quality, improved isolation, and simple circuit design

Active Publication Date: 2017-08-08
BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The current mobile terminals are equipped with antennas of different standards. Due to the space limitation inside the mobile terminal, two antennas whose frequency bands are close but not completely overlapped are often close. Therefore, the problem of insufficient antenna isolation is prone to occur, resulting in The communication quality of the terminal is not high

Method used

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  • Isolation control circuit and method and mobile terminal
  • Isolation control circuit and method and mobile terminal
  • Isolation control circuit and method and mobile terminal

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Embodiment Construction

[0051] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present invention. Rather, they are merely examples of apparatuses and methods consistent with aspects of the invention as recited in the appended claims.

[0052] figure 1 It is a schematic structural diagram of an isolation control circuit shown according to an exemplary embodiment. The isolation control circuit 10 can be applied in a mobile terminal, such as a mobile phone, a tablet computer, a personal digital assistant, and the like. This embodiment relates to the specific process of controlling the isolation between the first antenna 13 and ...

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Abstract

The disclosure relates to an isolation control circuit and method and a mobile terminal. The circuit comprises a switching module, a decoupling module, and an earphone of which a distance with a first antenna is in a preset range; working frequency bands of the first antenna and a second antenna meet preset conditions; a first pin of the earphone is connected with the switching module, and the switching module selectively switches on the decoupling module; the switching module is configured to switch on the decoupling module when the first antenna works, and is configured to not switch on the decoupling module and control the earphone to normally work when the second antenna works; and the decoupling module is configured to eliminate coupling of the earphone on the first antenna. The isolation control circuit in the embodiment of the disclosure improves isolation of the first antenna and the second antenna in the mobile terminal and improves communication quality of the mobile terminal.

Description

technical field [0001] The present disclosure relates to communication technology, and in particular to an isolation control circuit, method and mobile terminal. Background technique [0002] With the continuous development of social economy, mobile terminals such as mobile phones have become indispensable tools in people's lives. People can make voice calls, chat online, shop, book tickets, etc. through mobile phones, which greatly facilitates people's lives. [0003] The current mobile terminals are equipped with antennas of different standards. Due to the space limitation inside the mobile terminal, two antennas whose frequency bands are close but not completely overlapped are often close. Therefore, the problem of insufficient antenna isolation is prone to occur, resulting in The communication quality of the terminal is not high. Contents of the invention [0004] In order to overcome the problems existing in related technologies, the present disclosure provides an is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B1/401H01Q1/52H01Q1/24
CPCH01Q1/241H01Q1/52H04B1/401
Inventor 王霖川薛宗林熊晓峰
Owner BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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