CN106252881B - Antenna device and mobile terminal - Google Patents
Antenna device and mobile terminal Download PDFInfo
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- CN106252881B CN106252881B CN201610818154.0A CN201610818154A CN106252881B CN 106252881 B CN106252881 B CN 106252881B CN 201610818154 A CN201610818154 A CN 201610818154A CN 106252881 B CN106252881 B CN 106252881B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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Abstract
本发明提出一种天线装置和移动终端，其中，该天线装置，包括：第一天线组件，所述第一天线组件通过第一馈点与主板相连；第二天线组件，所述第二天线组件通过第二馈点与所述主板相连，其中，所述第二天线组件的第一端与所述第一天线组件的第一端相邻；第一电感，所述第一电感的第一端接地，所述第一电感的第二端与所述第一天线组件的第一端相连；以及第二电感，所述第二电感的第一端接地，所述第二电感的第二端与所述第二天线组件的第一端相连。本发明的实施例，能够提高天线之间的隔离度，降低各系统之间的互扰。
The present invention proposes an antenna device and a mobile terminal, wherein the antenna device includes: a first antenna component, the first antenna component is connected to a mainboard via a first feeding point; a second antenna component, the second antenna component is connected to the mainboard via a second feeding point, wherein the first end of the second antenna component is adjacent to the first end of the first antenna component; a first inductor, the first end of the first inductor is grounded, and the second end of the first inductor is connected to the first end of the first antenna component; and a second inductor, the first end of the second inductor is grounded, and the second end of the second inductor is connected to the first end of the second antenna component. Embodiments of the present invention can improve the isolation between antennas and reduce mutual interference between systems.
Description
技术领域technical field
本发明涉及移动终端技术领域，特别涉及一种天线装置及移动终端。The present invention relates to the technical field of mobile terminals, in particular to an antenna device and a mobile terminal.
背景技术Background technique
随着移动终端的不断发展，移动终端的功能越来越多，如拍照功能、指纹解锁、指纹支付等指纹功能。然而，一些功能对应的功能模组的引入会导致移动终端LTE(Long TermEvolution，长期演进)主天线和GPS(Global Positioning System，全球定位系统)天线、WiFi(Wireless-Fidelity，无线保真)天线一起位于整机上方，天线间距明显小于信号波长的1/2，从而导致天线之间存在互耦。天线之间的互耦会严重影响无线系统之间的信号接收性能。With the continuous development of mobile terminals, there are more and more functions of mobile terminals, such as fingerprint functions such as camera function, fingerprint unlocking, and fingerprint payment. However, the introduction of functional modules corresponding to some functions will cause the mobile terminal LTE (Long Term Evolution, long-term evolution) main antenna to be integrated with the GPS (Global Positioning System, Global Positioning System) antenna and WiFi (Wireless-Fidelity, Wireless Fidelity) antenna. Located above the whole machine, the distance between the antennas is obviously less than 1/2 of the signal wavelength, which leads to mutual coupling between the antennas. Mutual coupling between antennas can seriously affect signal reception performance between wireless systems.
发明内容Contents of the invention
本发明旨在至少在一定程度上解决上述技术问题。The present invention aims to solve the above-mentioned technical problems at least to a certain extent.
为此，本发明的第一个目的在于提出一种天线装置，能够提高天线之间的隔离度，降低各系统之间的互扰。Therefore, the first object of the present invention is to provide an antenna device that can improve the isolation between antennas and reduce the mutual interference between systems.
本发明的第二个目的在于提出一种移动终端。A second object of the present invention is to propose a mobile terminal.
为达上述目的，根据本发明第一方面实施例提出了一种天线装置，包括：In order to achieve the above purpose, an antenna device is proposed according to the embodiment of the first aspect of the present invention, including:
第一天线组件，所述第一天线组件通过第一馈点与主板相连；a first antenna assembly, the first antenna assembly is connected to the main board through a first feed point;
第二天线组件，所述第二天线组件通过第二馈点与所述主板相连，其中，所述第二天线组件的第一端与所述第一天线组件的第一端相邻；a second antenna component, the second antenna component is connected to the main board through a second feed point, wherein the first end of the second antenna component is adjacent to the first end of the first antenna component;
第一电感，所述第一电感的第一端接地，所述第一电感的第二端与所述第一天线组件的第一端相连；以及a first inductor, the first end of the first inductor is grounded, and the second end of the first inductor is connected to the first end of the first antenna component; and
第二电感，所述第二电感的第一端接地，所述第二电感的第二端与所述第二天线组件的第一端相连。A second inductor, the first end of the second inductor is grounded, and the second end of the second inductor is connected to the first end of the second antenna assembly.
根据本发明实施例的天线装置，还可具有如下附加技术特征：The antenna device according to the embodiment of the present invention may also have the following additional technical features:
在本发明的一个实施例中，还包括：In one embodiment of the present invention, also include:
连接在所述第一馈点和所述第一天线组件之间的第一匹配模块。A first matching module connected between the first feed point and the first antenna component.
在本发明的一个实施例中，还包括：In one embodiment of the present invention, also include:
连接在所述第一天线组件的第一端与地之间的开关和第二匹配模块，用于对所述第一天线组件进行扩频。The switch and the second matching module connected between the first end of the first antenna component and the ground are used for spreading the spectrum of the first antenna component.
在本发明的一个实施例中，还包括：In one embodiment of the present invention, also include:
第三天线组件，所述第三天线组件和所述第一天线组件之间间隔有摄像头组件，所述第三天线组件通过第三馈点与所述主板相连。A third antenna component, a camera component is spaced between the third antenna component and the first antenna component, and the third antenna component is connected to the main board through a third feed point.
在本发明的一个实施例中，所述第一天线组件为移动通信天线，所述第二天线组件为WiFi天线，所述第三天线组件为GPS天线。In an embodiment of the present invention, the first antenna component is a mobile communication antenna, the second antenna component is a WiFi antenna, and the third antenna component is a GPS antenna.
在本发明的一个实施例中，还包括：In one embodiment of the present invention, also include:
连接在所述第一天线组件的第一端与地之间的串联谐振模块。A series resonant module connected between the first end of the first antenna component and ground.
在本发明的一个实施例中，所述摄像头组件与所述主板的地相连。In one embodiment of the present invention, the camera assembly is connected to the ground of the main board.
本发明第二方面实施例提供了一种移动终端，包括本发明第一方面任一实施例的天线装置。The embodiment of the second aspect of the present invention provides a mobile terminal, including the antenna device in any embodiment of the first aspect of the present invention.
本发明实施例的天线装置及移动终端，能够有效提升相邻的第一天线组件和第二天线组件之间的隔离度，并有效解决天线之间的电磁干扰的问题。The antenna device and the mobile terminal of the embodiments of the present invention can effectively improve the isolation between adjacent first antenna components and second antenna components, and effectively solve the problem of electromagnetic interference between antennas.
本发明的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本发明的实践了解到。Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
附图说明Description of drawings
本发明的上述和/或附加的方面和优点从结合下面附图对实施例的描述中将变得明显和容易理解，其中：The above and/or additional aspects and advantages of the present invention will become apparent and comprehensible from the description of the embodiments in conjunction with the following drawings, wherein:
图1为根据本发明一个实施例的天线装置的结构示意图；FIG. 1 is a schematic structural diagram of an antenna device according to an embodiment of the present invention;
图2为根据本发明另一个实施例的天线装置的结构示意图；2 is a schematic structural diagram of an antenna device according to another embodiment of the present invention;
图3为根据本发明一个实施例的串联谐振模块的结构示意图。FIG. 3 is a schematic structural diagram of a series resonant module according to an embodiment of the present invention.
附图说明Description of drawings
主板100、第一天线组件210、第一馈点220、第二天线组件310、第二馈点320、第一电感230、串联谐振模块240、第三电感L3、电容C1第二电感330、第三天线组件410、第三馈点420、摄像头组件500、摄像头510、金属支撑件520、前置摄像头组件530、指纹模组600、耳机模组700、第一匹配模块800、开关910、第二匹配模块920Main board 100, first antenna assembly 210, first feed point 220, second antenna assembly 310, second feed point 320, first inductor 230, series resonant module 240, third inductor L3, capacitor C1 second inductor 330, second Three antenna assembly 410, third feed point 420, camera assembly 500, camera 510, metal support 520, front camera assembly 530, fingerprint module 600, earphone module 700, first matching module 800, switch 910, second Matching module 920
具体实施方式Detailed ways
下面详细描述本发明的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，仅用于解释本发明，而不能理解为对本发明的限制。Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
由于移动终端中的一些功能模组的引入，会压缩移动终端的天线的可用空间，移动终端的各种天线间距较小，导致天线之间存在互耦、电磁干扰等问题，影响天线的性能。举例来说，由于指纹模组与手机Home键集成在一起，以及耳机模组的下置，手机底部空间较少，因此，手机的LTE天线、GPS天线及WiFi天线均要设置在手机的上方，这就导致这些天线之间的间距较小，甚至小于信号波长的1/2，进而因天线之间的互耦、电磁干扰而影响天线的接收性能。Due to the introduction of some functional modules in the mobile terminal, the available space of the antenna of the mobile terminal will be compressed, and the distance between various antennas of the mobile terminal is small, resulting in problems such as mutual coupling and electromagnetic interference between the antennas, which affect the performance of the antenna. For example, since the fingerprint module is integrated with the home button of the mobile phone, and the earphone module is placed at the bottom, there is less space at the bottom of the mobile phone. Therefore, the LTE antenna, GPS antenna and WiFi antenna of the mobile phone must be set on the top of the mobile phone. As a result, the distance between these antennas is small, even less than 1/2 of the signal wavelength, and the receiving performance of the antennas is affected due to mutual coupling and electromagnetic interference between the antennas.
为解决此问题，本发明提出一种天线装置和移动终端。下面参考附图描述根据本发明实施例的天线装置及移动终端。To solve this problem, the present invention proposes an antenna device and a mobile terminal. An antenna device and a mobile terminal according to embodiments of the present invention will be described below with reference to the accompanying drawings.
图1为根据本发明一个实施例的天线装置的结构示意图。FIG. 1 is a schematic structural diagram of an antenna device according to an embodiment of the present invention.
如图1所示，根据本发明实施例的天线装置，包括：主板100、第一天线组件210、第一馈点220、第二天线组件310、第二馈点320、第一电感230和第二电感330。As shown in FIG. 1 , the antenna device according to the embodiment of the present invention includes: a main board 100, a first antenna assembly 210, a first feed point 220, a second antenna assembly 310, a second feed point 320, a first inductor 230 and a first feed point 220. Two inductors 330 .
第一天线组件210通过第一馈点220与主板100相连。The first antenna assembly 210 is connected to the main board 100 through the first feed point 220 .
第二天线组件310通过第二馈点320与主板100相连，其中，第二天线组件310的第一端与第一天线组件210的第一端相邻。The second antenna assembly 310 is connected to the main board 100 through the second feed point 320 , wherein the first end of the second antenna assembly 310 is adjacent to the first end of the first antenna assembly 210 .
第一电感230的第一端接地，第一电感230的第二端与第一天线组件210的第一端相连。A first end of the first inductor 230 is grounded, and a second end of the first inductor 230 is connected to the first end of the first antenna assembly 210 .
第二电感330的第一端接地，第二电感330的第二端与第二天线组件310的第一端相连。A first end of the second inductor 330 is grounded, and a second end of the second inductor 330 is connected to the first end of the second antenna assembly 310 .
根据本发明实施例的天线装置，通过在相邻的第一天线组件和第二天线组件之间靠近的部分分别串接电感，并通过电感接地，能够有效提升相邻的第一天线组件和第二天线组件之间的隔离度，并有效解决天线之间的电磁干扰的问题。According to the antenna device of the embodiment of the present invention, by connecting inductances in series between adjacent first antenna components and second antenna components, and grounding the adjacent first antenna components and second antenna components through inductance, the adjacent first antenna components and the second antenna components can be effectively improved. The isolation between the two antenna components can effectively solve the problem of electromagnetic interference between the antennas.
在本发明的一些实施例中，如图2所示，该天线装置，还可包括：第三天线组件410和第三馈点420。In some embodiments of the present invention, as shown in FIG. 2 , the antenna device may further include: a third antenna component 410 and a third feed point 420 .
第三天线组件410和第一天线组件210之间间隔有摄像头组件500，第三天线组件410通过第三馈点420与主板100相连。A camera assembly 500 is spaced between the third antenna assembly 410 and the first antenna assembly 210 , and the third antenna assembly 410 is connected to the main board 100 through a third feed point 420 .
在本发明的一个实施例中，摄像头组件500可与主板100的地相连。In an embodiment of the present invention, the camera assembly 500 may be connected to the ground of the main board 100 .
其中，摄像头组件500可包括摄像头510及其背部的金属支撑件520。Wherein, the camera assembly 500 may include a camera 510 and a metal support 520 on its back.
在本发明的一些实施例中，摄像头组件500可通过但不限于贴导电布、铜箔、结构上涨金属兜(如图2所示的金属支撑件520)等方式接地。In some embodiments of the present invention, the camera assembly 500 can be grounded by but not limited to pasting conductive cloth, copper foil, and structurally raised metal pockets (such as the metal support 520 shown in FIG. 2 ).
在本发明的一个实施例中，上述摄像头组件500可为后置摄像头组件，本发明实施例的移动终端中还可包括位于第一天线组件210和第二天线组件310之间的前置摄像头组件530。前置摄像头组件530可与主板100的地相连。In one embodiment of the present invention, the aforementioned camera assembly 500 may be a rear camera assembly, and the mobile terminal in this embodiment of the present invention may further include a front camera assembly located between the first antenna assembly 210 and the second antenna assembly 310 530. The front camera assembly 530 can be connected to the ground of the motherboard 100 .
从而，通过前置摄像头组件和后置摄像头组件接地可提高第一天线组件、第二天线组件和第三天线组件之间的隔离度，避免天线组件之间的电磁干扰。Therefore, the isolation between the first antenna component, the second antenna component and the third antenna component can be improved by grounding the front camera component and the rear camera component, and electromagnetic interference among the antenna components can be avoided.
在本发明的一个实施例中，第一天线组件210可为移动通信天线，如LTE天线等；第二天线组件310可为WiFi天线，如2.4G或5GWiFi天线；第三天线组件410可为GPS天线。In one embodiment of the present invention, the first antenna component 210 can be a mobile communication antenna, such as an LTE antenna; the second antenna component 310 can be a WiFi antenna, such as a 2.4G or 5G WiFi antenna; the third antenna component 410 can be a GPS antenna.
由此，当移动终端中的指纹模组600与Home键集成在一起，以及耳机模组700下置时，移动终端的LTE天线、GPS天线及WiFi天线因底部空间较少而设置在手机的上方时，即使因摄像头组件500占用部分空间而导致移动通信天线、GPS天线天线及WiFi天线之间的距离较短，也可通过在天线之间连接电感，提升相邻的天线组件之间的隔离度，从而解决天线之间的电磁干扰的问题。Therefore, when the fingerprint module 600 and the Home button in the mobile terminal are integrated together, and the earphone module 700 is placed down, the LTE antenna, GPS antenna and WiFi antenna of the mobile terminal are arranged on the top of the mobile phone due to less space at the bottom , even if the distance between the mobile communication antenna, the GPS antenna and the WiFi antenna is short because the camera assembly 500 occupies part of the space, the isolation between adjacent antenna assemblies can be improved by connecting inductors between the antennas , so as to solve the problem of electromagnetic interference between antennas.
需要说明的是，本发明实施例中的接地，可以是接到整机参考地上。It should be noted that the grounding in the embodiment of the present invention may be connected to the reference ground of the whole machine.
在本发明的一些实施例中，如图2所示，该天线装置还可包括连接在第一馈点220和第一天线组件210之间的第一匹配模块800。In some embodiments of the present invention, as shown in FIG. 2 , the antenna device may further include a first matching module 800 connected between the first feed point 220 and the first antenna component 210 .
其中，第一匹配模块800可以为匹配电路。Wherein, the first matching module 800 may be a matching circuit.
在本发明的一些实施例中，该天线装置还可包括连接在第一天线组件210的第一端与地之间的开关910和第二匹配模块920，用于对第一天线组件210进行扩频。In some embodiments of the present invention, the antenna device may further include a switch 910 and a second matching module 920 connected between the first end of the first antenna component 210 and the ground, for expanding the first antenna component 210. frequency.
在本发明的一些实施例中，该天线装置还可包括连接在第一天线组件210的第一端与地之间的串联谐振模块240。In some embodiments of the present invention, the antenna device may further include a series resonant module 240 connected between the first end of the first antenna component 210 and the ground.
具体而言，串联谐振模块240可如图3所示，包括第三电感L3和电容C1。Specifically, the series resonance module 240 may include a third inductor L3 and a capacitor C1 as shown in FIG. 3 .
从而，通过串联谐振模块240可以有效地滤掉第一天线组件210相关通路(如LTETx(Transmit，发送)通路)上的杂散信号或主信号落到GPS、WiFi带内的干扰信号，进一步解决日益紧凑的天线空间下各副天线之间因隔离度不足而引起的各系统之间的互扰问题。Thereby, the stray signals on the relevant paths (such as LTETx (Transmit, sending) paths) of the first antenna assembly 210 can be effectively filtered through the series resonant module 240 or the interference signals that the main signal falls into the GPS and WiFi bands, further solving the problem of The problem of mutual interference between the various systems caused by insufficient isolation between the secondary antennas in the increasingly compact antenna space.
本发明还提出一种移动终端。The invention also proposes a mobile terminal.
根据本发明实施例的移动终端，包括本发明上述任一实施例的天线装置。A mobile terminal according to an embodiment of the present invention includes the antenna device in any one of the foregoing embodiments of the present invention.
本发明实施例的移动终端，能够有效提升相邻的天线组件之间的隔离度，并有效解决天线之间的电磁干扰的问题。The mobile terminal in the embodiment of the present invention can effectively improve the isolation between adjacent antenna components, and effectively solve the problem of electromagnetic interference between antennas.
本领域技术人员在考虑说明书及实践这里公开的发明后，将容易想到本发明的其它实施方案。本申请旨在涵盖本发明的任何变型、用途或者适应性变化，这些变型、用途或者适应性变化遵循本发明的一般性原理并包括本公开未公开的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的，本发明的真正范围和精神由下面的权利要求指出。Other embodiments of the invention will be readily apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any modification, use or adaptation of the present invention, these modifications, uses or adaptations follow the general principles of the present invention and include common knowledge or conventional technical means in the technical field not disclosed in this disclosure . The specification and examples are to be considered exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
应当理解的是，本发明并不局限于上面已经描述并在附图中示出的精确结构，并且可以在不脱离其范围进行各种修改和改变。本发明的范围仅由所附的权利要求来限制。It should be understood that the present invention is not limited to the precise constructions which have been described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (5)
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610818154.0A CN106252881B (en) | 2016-09-12 | 2016-09-12 | Antenna device and mobile terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107221740A (en) * | 2017-05-23 | 2017-09-29 | 维沃移动通信有限公司 | A kind of antenna assembly and mobile terminal |
| CN109786936A (en) * | 2017-11-10 | 2019-05-21 | 比亚迪股份有限公司 | The casing assembly and electronic equipment of electronic equipment |
| CN108337013A (en) * | 2018-01-23 | 2018-07-27 | 广东欧珀移动通信有限公司 | Radio frequency circuit, electronic device and method for improving antenna radiation performance |
| CN108598705B (en) * | 2018-03-27 | 2021-02-19 | Oppo广东移动通信有限公司 | Antenna system and related product |
| CN108808268A (en) * | 2018-06-06 | 2018-11-13 | Oppo（重庆）智能科技有限公司 | Antenna module and electronic equipment |
| CN108832296A (en) * | 2018-06-13 | 2018-11-16 | Oppo（重庆）智能科技有限公司 | Antenna and mobile terminal with the antenna |
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| CN104241852A (en) * | 2014-09-05 | 2014-12-24 | 环鸿电子（昆山）有限公司 | Antenna device |
| CN105514605A (en) * | 2015-12-09 | 2016-04-20 | 广东欧珀移动通信有限公司 | Mobile terminal |
| CN105742784A (en) * | 2016-03-03 | 2016-07-06 | 珠海市魅族科技有限公司 | Antenna device and electronic equipment |
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| KR100699472B1 (en) * | 2005-09-27 | 2007-03-26 | 삼성전자주식회사 | Flat Panel Array Antenna with Isolation Element |
| US20150056940A1 (en) * | 2013-08-23 | 2015-02-26 | Qualcomm Incorporated | Harmonic trap for common gate amplifier |
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| CN104241852A (en) * | 2014-09-05 | 2014-12-24 | 环鸿电子（昆山）有限公司 | Antenna device |
| CN105514605A (en) * | 2015-12-09 | 2016-04-20 | 广东欧珀移动通信有限公司 | Mobile terminal |
| CN105742784A (en) * | 2016-03-03 | 2016-07-06 | 珠海市魅族科技有限公司 | Antenna device and electronic equipment |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |