CN108736132A - Antenna module and electronic device - Google Patents
Antenna module and electronic device Download PDFInfo
- Publication number
- CN108736132A CN108736132A CN201810771527.2A CN201810771527A CN108736132A CN 108736132 A CN108736132 A CN 108736132A CN 201810771527 A CN201810771527 A CN 201810771527A CN 108736132 A CN108736132 A CN 108736132A
- Authority
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- China
- Prior art keywords
- tie point
- point
- antenna module
- feed
- edge frame
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
- H01Q5/335—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors at the feed, e.g. for impedance matching
Abstract
This application discloses a kind of antenna module, which includes：Printed circuit board, if there are two feeds；Ground plane is set on printed circuit board, and ground plane is equipped with four grounded point；Metal edge frame is enclosed set on printed circuit board periphery, and one gap of interval setting between ground plane, metal edge frame includes four points of connection, and four points of connection is grounded by four grounded point respectively；A feed line being connect respectively with metal edge frame and feed is respectively set between first tie point and the second tie point and between third tie point and the 4th tie point, to form the first slot antenna and the second slot antenna using gap.The above structure, metal edge frame are complete closed loop, are not provided with breaking joint, so that the electronic device using the antenna module integrally has better intensity, while having preferable appearance tactile impression.The application also provides a kind of electronic device including the above antenna module.
Description
Technical field
This application involves fields of communication technology, more particularly to a kind of antenna module and electronic device.
Background technology
Antenna can be arranged on the electronic devices such as mobile phone, tablet computer to be used to communicate, at present the day of the electronic devices such as mobile phone
Breaking joint usually is arranged in the metal frame of metal shell, to meet antenna band performance requirement in line.However, this breaking joint can influence
The appearance of mobile phone entirety and the appearance tactile impression of entire electronic device, and breaking joint high processing costs.On the other hand, breaking joint is adding
Requirement during work to breaking joint width size is very high, if the too big influence appearance of width and electronic device intensity；Otherwise width
Part that is too small and can causing breaking joint both sides, which generates, to intercouple, and the width of breaking joint is smaller, and coupling is stronger, can seriously affect day
The performance of line.
Invention content
Breaking joint, which is arranged, on metal edge frame for electronic devices such as mobile phones leads to electronic device construction intensity difference and diseases caused by external factors matter
Bad technical problem, a kind of antenna module of the application offer and electronic device are provided.
The application use a technical solution be：A kind of antenna module is provided comprising：
Printed circuit board, the printed circuit board are equipped with the first feed and the second feed；
Ground plane is set on the printed circuit board, and the ground plane is equipped with the first earth point, the second ground connection
Point, third earth point and the 4th earth point；
Metal edge frame is enclosed set on the printed circuit board periphery, and one gap of interval setting, described between the ground plane
Metal edge frame includes the first tie point, the second tie point, third tie point and the 4th tie point, first tie point, institute
The second tie point, the third tie point and the 4th tie point are stated respectively by first earth point, described second
Earth point, the third earth point and the 4th earth point ground connection；First tie point and second tie point it
Between one the first feed line for connect respectively with the metal edge frame and first feed of setting, with the utilization gap from institute
It states the first tie point to the part of second tie point and forms the first slot antenna；The third tie point connects with the described 4th
The second feed line that setting one is connect with the metal edge frame and second feed respectively between contact, to utilize the seam
Gap forms the second slot antenna from the third tie point to the part of the 4th tie point.
The application also provides a kind of electronic device, including antenna module described above.
In antenna module and electronic device in the application, a gap is set between ground plane and metal edge frame, is printed
Circuit board be equipped with the first feed and the second feed, ground plane be equipped with the first earth point, the second earth point, third earth point with
And the 4th earth point.Metal edge frame includes the first tie point, the second tie point, third tie point and the 4th tie point and difference
It is grounded by the above four grounded point.And first between tie point and the second tie point and third tie point and the 4th
It is connect, and then utilized with the first feed and the second feed respectively by the first feed line and the second feed line respectively between tie point
Gap forms the first slot antenna from the first tie point to the part of the second tie point；Using gap from the third tie point to
The part of 4th tie point forms the second slot antenna, to generate different frequency ranges.The above structure, metal edge frame are completely to close
Ring is not provided with breaking joint so that using the antenna module electronic device integrally have better intensity, while have compared with
Good appearance tactile impression.
Description of the drawings
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present application, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the structural schematic diagram in one embodiment of the application electronic device；
Fig. 2 is the structural schematic diagram in one embodiment of the application antenna module；
Fig. 3 is the structural schematic diagram in another embodiment of the application antenna module；
Fig. 4 is the structural schematic diagram in the another embodiment of the application antenna module；
Fig. 5 is the structural schematic diagram in the application antenna module another embodiment
Fig. 6 is the structural schematic diagram of one embodiment of the application adjusting part；
Fig. 7 is the structural schematic diagram in the another embodiment of the application antenna module；
Fig. 8 is the part-structure schematic diagram of the application antenna module another embodiment.
Specific implementation mode
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation describes.It is understood that specific embodiment described herein is only used for explaining the application, rather than the limit to the application
It is fixed.It also should be noted that illustrating only for ease of description, in attached drawing and the relevant part of the application and not all knot
Structure.Based on the embodiment in the application, those of ordinary skill in the art are obtained without creative efforts
Every other embodiment, shall fall in the protection scope of this application.
Term " first " in the application, " second ", " third " are used for description purposes only, and should not be understood as instruction or dark
Show relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second ", " are defined as a result,
Three " feature can explicitly or implicitly include at least one of the features.In the description of the present application, the meaning of " plurality " is extremely
It is two few, such as two, three etc., unless otherwise specifically defined.The directional instruction of institute is (all in the embodiment of the present application
Such as up, down, left, right, before and after ...) it is only used for explaining the phase under a certain particular pose (as shown in the picture) between each component
To position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes therewith
Become.In addition, term " comprising " and " having " and their any deformations, it is intended that cover and non-exclusive include.Such as comprising
The step of process of series of steps or unit, method, system, product or equipment are not limited to list or unit, and
It further includes the steps that optionally not listing or unit to be, or further includes optionally for these processes, method, product or equipment
Intrinsic other steps or unit.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the application.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Referring to Fig. 1 and Fig. 2, Fig. 1 is the structural schematic diagram in one embodiment of the application electronic device, and Fig. 2 is the application day
Structural schematic diagram in one embodiment of line component.This application provides a kind of antenna module 100 and including the electronics of the antenna
Device 200.Specific electronic device 200 can be any one of multiple electronic equipments, and multiple electronic equipments include but not
It is limited to cellular phone, smart phone, other wireless telecom equipments, personal digital assistant, audio player, other media plays
Device, music recorder, video recorder, camera, other medium recorders, radio, Medical Devices, calculator, programmable telemetry
Device, pager, netbook computer, personal digital assistant (PDA), portable media player (PMP), Motion Picture Experts Group
(MPEG-1 or MPEG-2) audio layer 3 (MP3) player, the equipment such as portable medical device and digital camera and combinations thereof.
Electronic device 200 includes the antenna module 100 that following any embodiment is introduced.
Specifically, in the application, which includes printed circuit board 10, is set on printed circuit board 10
Ground plane 20 and enclose the metal edge frame 40 for setting printed circuit board 10.
Specifically, in an embodiment, printed circuit board 10 is in electronic device 200 for bearer circuit and component
Carrier.The first feed 12 and the second feed 14 are provided on the printed circuit board 10, the first feed 12 and the second feed 14 are used for
Connect metal edge frame 40, the input and output point as signal.
Ground plane 20 is the ground system of electronic device 200, is set on printed circuit board 10.Specifically, ground plane 20 is
Metal layer on the printed circuit board 10 is set, the first earth point 22, the second earth point 24, third ground connection are set on ground plane 20
Point 26 and the 4th earth point 28, the above four grounded point is for making metal edge frame 40 be grounded.
Metal edge frame 40 is enclosed set on 10 periphery of printed circuit board.Specifically, metal edge frame 40 is 200 frame of electronic device
A part constitutes the side of electronic device 200.Specifically, metal edge frame 40 is continuously arranged, to surround 10 shape of printed circuit board
It is closed framework at one.One gap 50 of interval setting, the gap 50 are used as day between metal edge frame 40 and ground plane 20 in the application
The radiation space of line.It should be understood that the gap 50 can be a space being implicitly present in, which can also be printed electricity
The edge of road plate 10 is filled up, as long as being spaced setting between metal edge frame 40 and ground plane 20, space is provided for the radiation of antenna
, this is not specifically limited.It should be understood that if the part that the gap is printed circuit board 10 is filled, print
The part that circuit board 10 is filled in gap is clearance zone, specifically, clearance zone is the region for being not provided with the element with metal, it should
Other devices of metal can be provided without on region.
Specifically, metal edge frame 40 includes the first tie point 42, the second tie point 44, the company of third tie point 46 and the 4th
Contact 48.First tie point 42, the second tie point 44, third tie point 46 and the 4th tie point 48 pass through the first ground connection respectively
The 22, second earth point 24 of point, third earth point 26 and the 4th earth point 28 ground connection.First tie point 42 and the second tie point 44
Between one the first feed line 30 for being connect respectively with metal edge frame 40 and the first feed 12 of setting, the first feed line 30 is across seam
Gap 50 is arranged, to form the first slot antenna from the part of 42 to the second tie point 44 of the first tie point using gap 50.Third
The second feed that setting one is connect with metal edge frame 40 and the second feed 14 respectively between tie point 46 and the 4th tie point 48
Line 32, the second feed line 32 are arranged across gap 50, to utilize gap 50 from the portion of 46 to the 4th tie point 48 of third tie point
Divide and forms the second slot antenna.First slot antenna and the second slot antenna are utilized respectively using gap 50 as radiation space
First feed line 30 and the second feed line 32 transmit signal, on gap 50 excitation have a radio frequency electromagnetic field, and to space radiation electromagnetism
Wave, to emit or receive signal.
Referring to Fig. 3, optionally, in an embodiment, the first tie point 42 is same tie point with third tie point 46.Specifically
, the first earth point 22 and third earth point 26 are also same earth point, the first earth point 22 and the in certain other embodiment
Three earth points 26 or different earth points, this is not specifically limited.
Specifically, the length of the second slot antenna is more than the length of the first slot antenna.The length for the antenna being appreciated that
The frequency range of longer covering is lower, and the frequency range of the shorter covering of length is higher.Specifically, in the present embodiment, the first slot antenna is used for
The working frequency range between 1710~2690Mhz is generated, the second slot antenna is used to generate the work between 698-960Mhz
Frequency range.
Specifically, in an embodiment, radio-frequency channel is set, the first feed 12 and the second feed 14 are logical on printed circuit board 10
A combiner 34 is crossed to be linked into radiofrequency signal.To provide different signal frequency ranges according to the work of electronic device 200.
Referring to Fig. 4, optionally, in different embodiments, at least one of the first feed line 30 and the second feed line 32
Match circuit 36 is set.Match circuit 36 is located between metal edge frame 40 and the first feed 12 or the second feed 14, plays resistance
Anti- matching and the matched effect of balance, to ensure that 100 working condition of antenna module is more stable.
Specifically, metal edge frame 40 is rectangular-shape in an embodiment, including the sequentially connected first side 41 of head and the tail, the
Dual side-edge 43, third side 45 and four side 47, wherein first side 41 and third side 45 are oppositely arranged as long side, and
Dual side-edge 43 and four side 47 are oppositely arranged as short side.
Optionally, in an embodiment, the first tie point 42 and the second tie point 44 are located on first side.Third tie point
46 and the 4th tie point 48 be located on first side 41 and third side 45 relative to each other, as shown in Figure 1.Other are implemented
In example, the first tie point 42 and the second tie point 44 are located at and can also be located on different sides, third tie point 46 and the 4th
Tie point 48 can also be located on the first side 41 and the second side 43 adjacent to each other, or be located at other
On different sides, also or on same side, this is not specifically limited.
Referring also to Fig. 5 and Fig. 6, in an embodiment, which further includes adjusting part 90, specific to adjust
Component 90 includes switch 60 and tuned cell 70, and switch 60 is connected to metal edge frame 40 and the first feed 12 or the second feed 14
Between, tuned cell 70 is accessed by 60 selectivity of switch between metal edge frame 40 and the first feed 12 or the second feed 14,
So that the length of the first slot antenna or the second slot antenna changes to cover different frequency ranges.
Referring to Fig. 7, Fig. 7 is the structural schematic diagram in the another embodiment of the application antenna module.In the embodiment, metal edges
Further include the 5th tie point 49 on frame 40, ground plane 20 is equipped with the 5th earth point 29, and the 5th tie point 49 is located at the first connection
Between point 42 and the second tie point 44, switch 60a is set between the 5th tie point 49 and the 5th earth point 29.Using such
Structure, metal edge frame 40 form third slot antenna from the part of 44 to the 5th tie point 49 of the second tie point.Using such
Structure, the length of 49 to the second tie point 44 of the 5th tie point is more than 49 to the first tie point of the 5th tie point in metal edge frame 40
42 length.The length of third slot antenna is less than the length of the first slot antenna, and the frequency range that third slot antenna generates is than the
It is high that one slot antenna generates frequency range.It should be understood that the first slot antenna and third slot antenna only have one of which work.Tool
Body, when being connected with the switch 60a of the 5th tie point 49 connection, third slot antenna work, the first slot antenna does not work.Instead
It, when the switch 60a being connect with the 5th tie point 49 is in nonconducting state, third slot antenna does not work, the first gap day
Line works.
Optionally, in an embodiment, tuned cell 70 can also be set between the 5th tie point 49 and the 5th earth point 29,
Tuned cell 70 is by switch 60a to cover different frequency ranges selectively between access metal edge frame 40 and the 5th earth point 29.
Optionally, tuned cell 70 is at least one of capacitance 72 or inductance 74.Specific capacitance 72 can be solid
Determine capacitance or variable capacitance.With the embodiment of inductance 74, capacitance 72 is set with inductance 74 to be in parallel setting capacitance 72 at the same time
It sets, as shown in Figure 5.
The setting of the 5th tie point 49 of the above structure, between metal edge frame 40 and the first feed 12 or the second feed 14
The setting of switch 60 or 60a and tuned cell 70 is set in order to which there are antenna module 100 more kinds of length can cut
It changes, to cover broader low-frequency range.
Referring also to Fig. 8, Fig. 8 are the part-structure schematic diagram of the application antenna module another embodiment.In the embodiment,
Antenna module 100 further includes the bottom plate 80 being connect with metal edge frame 40, and metal edge frame 40 is formed with bottom plate 80 for accommodating printing
The accommodating cavity 82 of circuit board 10.Optionally, in an embodiment, bottom plate 80 is made of isolation material, can be specifically glass material
Or plastic material is made, this is not specifically limited.
In other embodiment, bottom plate 80 or metal material are made, as long as at least by gap 50 from the second tie point
24 to the 4th tie point, 28 corresponding portion hollows out, the then corresponding position fill insulant hollowed out, such as plastics, tree
Fat etc., to avoid shielded signal.
Gap is set between the application metal edge frame 40 and ground plane 20, two feeds are set on the printed circuit board 10,
Multiple tie points are set on metal edge frame 40, and each tie point is grounded with ground plane 20, and two feeds are located at two companies
Between contact, and multiple slot antennas are respectively formed by a feed line is connect with metal edge frame 40 respectively.Each seam
The length of gap antenna is different, for covering low-frequency range and medium-high frequency section.In addition the tuning member that the application is also arranged on circuit
Part 70, switch 60 or 60a etc. so that the antenna module 100 can cover the frequency range of wider range.The above structure, metal edge frame
40 be complete closed loop, is not provided with breaking joint, so that the electronic device 200 using the antenna module 100 is whole with more
Good intensity, while there is preferable appearance tactile impression.Simultaneously the above structure design, compared with the prior art in set on metal edge frame
The structure of breaking joint is set, processing cost is low, is also not present since the too small accommodating part for leading to breaking joint both sides of breaking joint generates phase mutual coupling
The problem of conjunction so that the performance of antenna is more preferable.
The foregoing is merely presently filed embodiments, are not intended to limit the scope of the claims of the application, every to utilize this
Equivalent structure or equivalent flow shift made by application specification and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field includes similarly in the scope of patent protection of the application.
Claims (14)
1. a kind of antenna module, which is characterized in that including：
Printed circuit board, the printed circuit board are equipped with the first feed and the second feed；
Ground plane is set on the printed circuit board, and the ground plane is equipped with the first earth point, the second earth point, the
Three earth points and the 4th earth point；
Metal edge frame is enclosed set on the printed circuit board periphery, one gap of interval setting, the metal between the ground plane
Frame includes the first tie point, the second tie point, third tie point and the 4th tie point, first tie point, described the
Two tie points, the third tie point and the 4th tie point pass through first earth point, second ground connection respectively
Point, the third earth point and the 4th earth point ground connection；It is set between first tie point and second tie point
Set first feed line being connect respectively with the metal edge frame and first feed, with using the gap from described the
One tie point to the part of second tie point forms the first slot antenna；The third tie point and the 4th tie point
Between one the second feed line for connect respectively with the metal edge frame and second feed of setting, with the utilization gap from
The third tie point to the part of the 4th tie point forms the second slot antenna.
2. antenna module according to claim 1, which is characterized in that first tie point is with the third tie point
Same tie point.
3. antenna module according to claim 1, which is characterized in that in first feed line and second feed line
At least one on be arranged match circuit.
4. antenna module according to claim 1, which is characterized in that in first feed line and second feed line
At least one on setting switch and tuned cell, the tuned cell passes through the switch selectivity access metal edge frame
To cover different frequency ranges between first feed or second feed.
5. antenna module according to claim 4, which is characterized in that the tuned cell be in capacitance or inductance extremely
It is one few.
6. antenna module according to claim 1, which is characterized in that further include switch, and also wrapped on the metal edge frame
The 5th tie point is included, the ground plane is equipped with the 5th earth point, and the 5th tie point is located at first tie point and institute
Between stating the second tie point, the 5th tie point is grounded by the 5th earth point, and the switch is connected to the described 5th
Between tie point and the 5th earth point, stitched with forming third from the second tie point to third tie point using the gap
Gap antenna.
7. antenna module according to claim 1, which is characterized in that the length of second slot antenna is more than described the
The length of one slot antenna.
8. antenna module according to claim 1, which is characterized in that the metal edge frame is rectangular-shape, including head and the tail
Sequentially connected first side, second side, third side and four side, first tie point and second connection
Point is located on the first side.
9. antenna module according to claim 8, which is characterized in that the third tie point and the 4th tie point point
On the first side and the third side that Wei Yu be not relative to each other.
10. antenna module according to claim 1, which is characterized in that the metal edge frame is rectangular-shape, including head and the tail
Sequentially connected first side, second side, third side and four side, the third tie point and the 4th connection
Point is located on the first side and the second side adjacent to each other.
11. antenna module according to claim 1, which is characterized in that first slot antenna for generate between
Working frequency range between 1710~2690Mhz, second slot antenna are used to generate the working frequency range between 698-960Mhz.
12. antenna module according to claim 1, which is characterized in that the metal edge frame is continuously arranged, described to surround
Printed circuit board forms one and is closed framework, and the antenna module further includes the bottom plate being connect with the metal edge frame, the metal
Frame forms the accommodating cavity for accommodating the printed circuit board with the bottom plate, and the bottom plate is isolation material.
13. according to claim 1-12 any one of them antenna modules, which is characterized in that setting is penetrated on the printed circuit board
Frequency channel, first feed access the radio-frequency channel with second feed by a combiner.
14. a kind of electronic device, which is characterized in that including such as claim 1-13 any one of them antenna module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810771527.2A CN108736132B (en) | 2018-07-13 | 2018-07-13 | Antenna assembly and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810771527.2A CN108736132B (en) | 2018-07-13 | 2018-07-13 | Antenna assembly and electronic device |
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| Publication Number | Publication Date |
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| CN108736132A true CN108736132A (en) | 2018-11-02 |
| CN108736132B CN108736132B (en) | 2021-03-05 |
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| CN201810771527.2A Active CN108736132B (en) | 2018-07-13 | 2018-07-13 | Antenna assembly and electronic device |
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| WO2020135177A1 (en) * | 2018-12-28 | 2020-07-02 | 维沃移动通信有限公司 | Wireless electronic communication device |
| CN112751188A (en) * | 2020-12-31 | 2021-05-04 | Oppo广东移动通信有限公司 | Electronic equipment capable of improving antenna performance |
| CN112952353A (en) * | 2021-01-29 | 2021-06-11 | 捷开通讯(深圳)有限公司 | Antenna structure and smart machine |
| US11984670B2 (en) | 2018-12-28 | 2024-05-14 | Vivo Mobile Communication Co., Ltd. | Wireless electronic communications device |
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