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Multiband antenna and mobile terminal

A multi-band antenna and antenna signal technology, which is applied to antennas, antenna grounding devices, and devices that enable antennas to work in different bands at the same time, can solve problems such as high cost and complex antenna design structure, so as to improve the working bandwidth and reduce design Effects on cost and design space

Inactive Publication Date: 2018-11-06
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art, in order to meet the above bandwidth requirements, a dual-antenna multi-band mode is often used in the actual mobile terminal antenna design process. The working frequency band of this mode can cover most of the bandwidth frequency bands. However, the antenna design structure is complex , and the cost is higher

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Embodiment Construction

[0033] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0034] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terminology used herein in the description of the invention is for the purpose of describing specific embodiments only, and is not intended to limit the present invention. As used herein, the term "and / or" includes any and all combinations of one or more of the ...

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Abstract

The invention relates to a multiband antenna and a mobile terminal. The multiband antenna comprises a substrate as well as a radiation patch, a first resonator and a grounded metal patch which are arranged on the substrate, the radiation patch is used for radiating an antenna signal; the first resonator possesses a composite left-and-right-hand structure and is connected with the radiation patch,the first resonator is configured to receive a fed-in antenna signal and realize more than one resonant modes under excitation of the antenna signal; and the grounded metal patch is arranged at one side of the first resonator at an interval, is connected with the first resonator by virtue of a microstrip structure and is used for providing a ground loop for the first resonator. Accordingly, the invention provides a mobile terminal containing the multiband antenna. The multiband antenna provided by the invention meets design requirements of the multiband antenna, operation bandwidth is increased, and design cost and design space are effectively reduced.

Description

technical field [0001] The invention relates to the technical field of antennas, in particular to a multi-band antenna and a mobile terminal. Background technique [0002] At present, smart mobile devices, such as smart phones, personal device assistants PDA, tablet computers and other portable mobile terminals have become more and more popular. For mobile terminals, the design of the antenna will determine the reliability and efficiency of wireless signal transmission, so the antenna's Design is one of the cores of mobile terminals. With the popularization of the Long Term Evolution (LTE) and the arrival of the fifth generation wireless communication technology (The Fifth Generation Mobile Systems, 5G for short), multi-band and high-bandwidth are the core demands of antenna design. For example, in the field of 5G communication, in addition to covering the existing LTE frequency band, its 5G antenna working frequency band has also increased the working frequency band below ...

Claims

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Application Information

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IPC IPC(8): H01Q1/38H01Q1/48H01Q5/10H01Q5/20H01Q5/328
CPCH01Q1/38H01Q1/48H01Q5/10H01Q5/20H01Q5/328
Inventor 贾玉虎
Owner GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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