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Mobile terminal

A mobile terminal and metal middle frame technology, which is applied to antenna equipment with additional functions, electrical components, wireless communication, etc., can solve the problem of inability to effectively support the high-performance requirements of wireless network antennas, and the design of the feeding structure is not flexible enough. Antenna resonant frequency Adjustment, weak radiation performance of slot antennas and other issues, to achieve the effect of enhancing structural strength, easy mass production, and good mass production

Active Publication Date: 2016-02-03
YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD
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AI Technical Summary

Problems solved by technology

[0002] With the continuous improvement of users' requirements for the appearance of mobile terminals, more and more mobile terminals with metal appearance appear on the market. However, the metal middle frames of most mobile terminals have plastic partition points, which affect the structural strength. The metal middle frame of the terminal is a closed loop without breakpoints
The existing published mobile terminals with middle frames without breakpoints are usually loop or slot antennas. Although they meet the requirement of no breakpoints in metal middle frames, they only use the simple implementation of slot antennas, that is, in the metal There are slots around the middle frame. This realization is mainly limited by its relatively complex feed structure design and the inflexible adjustment of the antenna resonance frequency (changing the size of the slot), and the radiation performance of this slot antenna is relatively weak. In addition, the middle frame The design of the gaps in the circumference will also have a more obvious weakening effect on the structural strength of the whole machine
[0003] The antenna design in the prior art cannot effectively support the positioning system of the future mobile terminal and the high-performance requirements of the wireless network antenna, as well as the requirements for easy design and implementation. How to flexibly implement the antenna in the mobile terminal with a closed-loop metal middle frame without breakpoints Designing and tuning to meet the requirements of future mobile terminals for appearance and antenna performance is the problem to be solved by the present invention

Method used

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Embodiment Construction

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

[0025] The mobile terminal provided by the preferred embodiment of the present invention may be a mobile phone, a tablet computer, a PDA and other terminal equipment capable of wireless communication. The mobile terminal includes a metal middle frame 1 and an antenna 2. With the cooperation of the metal middle frame 1 and the antenna 2, the two-in-one wireless communication function of a positioning antenna and a wireless network antenna can be realized.

[0026] See figure 1 and figure 2 , the metal middle frame 1 is a closed frame without breakpoints, and the metal middle frame 1 is electrically connected to the reference ground. The reference ground serves as a reference for the potential of other components in the mobile terminal, and constitutes the common end of the c...

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Abstract

The invention discloses a mobile terminal. The mobile terminal comprises a middle metal frame and an antenna, wherein the middle metal frame is an enclosed no-break-point frame, the middle metal frame is electrically connected with a reference ground, the antenna is arranged in the middle metal frame and comprises a feeding arm, a tuning arm and a grounding arm, one end of the feeding arm is electrically connected with a feeding point, the other end of the feeding arm is connected with the middle metal frame, the tuning arm is connected with the middle metal frame, one end of the grounding arm is connected with the middle metal frame, the other end of the grounding arm is electrically connected with a grounding point, and the grounding point is electrically connected with the reference point. As the middle metal frame is electrically conducted with the reference ground, the middle metal frame forms one part of the reference ground and is taken as a main radiator of the antenna, the tuning arm is employed to adjust resonance frequency of a wireless network antenna, resonance frequency of a positioning antenna can be adjusted by changing the position of the grounding point of the grounding arm, the corresponding frequency band is covered, requirements for integrating performances of the positioning antenna and the wireless network antenna are realized, by utilizing the radiation mode, requirements of enclosure and no break point of the middle metal frame can be realized, and structure strength of the mobile terminal can be greatly improved.

Description

technical field [0001] The present invention relates to electronic equipment, in particular to a mobile terminal. Background technique [0002] With the continuous improvement of users' requirements for the appearance of mobile terminals, more and more mobile terminals with metal appearance appear on the market. However, the metal middle frames of most mobile terminals have plastic partition points, which affect the structural strength. The metal middle frame of the terminal is a closed loop without breakpoints. The existing published mobile terminals with middle frames without breakpoints are usually loop or slot antennas. Although they meet the requirement of no breakpoints in metal middle frames, they only use the simple implementation of slot antennas, that is, in the metal There are slots around the middle frame. This realization is mainly limited by its relatively complex feed structure design and the inflexible adjustment of the antenna resonance frequency (changing ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/44
CPCH01Q1/44H04W88/02
Inventor 李克王吉钊罗振
Owner YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD
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