CN107369892A - A kind of multifrequency terminal antenna for full metal jacket - Google Patents
A kind of multifrequency terminal antenna for full metal jacket Download PDFInfo
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- CN107369892A CN107369892A CN201710778208.XA CN201710778208A CN107369892A CN 107369892 A CN107369892 A CN 107369892A CN 201710778208 A CN201710778208 A CN 201710778208A CN 107369892 A CN107369892 A CN 107369892A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
- H01Q13/106—Microstrip slot antennas
-
- 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
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
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- 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
- H01Q5/10—Resonant antennas
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- Waveguide Aerials (AREA)
Abstract
The present invention provides a kind of multifrequency terminal antenna for full metal jacket, belongs to antenna technical field.Inventive antenna includes the metal shell for being installed in circuit system back, is arranged on the positive feeding network of system circuit board and gap；The metal shell is located at circuit system back and offers dual-end type gap and single-ended open-type gap respectively thereon, and the feed branch to match in feeding network with feed port forms multiple frequency resonance across above-mentioned two gap, excitation gap respectively.The present invention further loads on the improvement in dual-end type gap by U-shaped folded metal piece, is formed and is different from the three-dimensional structure of existing two-dimensional aperture antenna to cover more multiband；The present invention is realizing multiband and the problem that causes antenna performance impaired coexists in metal shell that is wide band while also solving antenna and large area, improves the intensity, texture and aesthetic feeling of terminal device.
Description
Technical field
The invention belongs to antenna technical field, more particularly to a kind of multifrequency terminal antenna for full metal jacket.
Background technology
With the arriving of information age, mobile communication has obtained unprecedented development.Antenna as radio communication one
Individual important component, the electric property of terminal device communication with the outside world is decide, generally, a secondary good antenna should be effective
The overall performance of terminal device is significantly improved while reducing space shared by antenna, and increases the signal of terminal device acquisition
Intensity and the speed of data communication.Against the 4G communication networks of the development of mobile communications network, at present support high speed data transfer
Popularize with all strength in, and for the upgrade version as 4G communication networks --- the research of 5G communication networks is also like a raging fire to open
Exhibition, therefore the 4G/5G/WLAN communication networks for integrating 4G, 5G and WLAN are the development trends of future wireless system, this will
Ask terminal device to meet all frequency ranges of WLAN, 4G and 5G communication network, at the same time also as backward compatible as possible still to exist
The frequency range of the 3G communication networks used.And it is one for design of the so wide frequency range coverage for terminal device antenna
Very big problem.In addition, with the development of technology, metal shell is progressively appeared in telecom terminal product.Metal shell is very
It can strengthen the structural strength of communication terminal device in big degree and disclosure satisfy that consumer to aesthetic feeling and the demand of sense of touch.But
Be, the external antenna of the antenna of communication terminal device since most to built-in aerial again to full metal jacket antenna, product it is outer
Shape is further attractive in appearance, but the area for leaving aerial radiation for is less and less.Therefore, metal shell has often had a strong impact on terminal antenna
Radiance, and the part that antenna is important as communication system, the quality of its performance directly influence terminal device
The quality of performance.So how to solve the problems, such as the metal shell of antenna and large area coexist all be all the time this area urgently
The difficult point that need to be captured.
The content of the invention
The technical problems to be solved by the invention are：A kind of end for covering 5G, 4G and WLAN communication network frequency band is provided
Antenna is held, while the metal shell for also solving the problems, such as antenna and large area coexists.
In order to solve the above-mentioned technical problem, the present invention provides following technical scheme：
Technical scheme one；
A kind of multifrequency antenna for full metal jacket, including the metal shell of circuit system back is installed in, open up
In the gap on metal shell and it is arranged on the positive feeding network of system circuit board；It is characterized in that：
The edge of the metal shell is provided with the metal edge frame that side is extended to from the back side of system circuit board；Institute
State and the first gap and the second gap are offered on metal shell, first gap is dual-end type gap, second seam
Gap is single-ended open-type gap；Metal edge frame is divided into separate three sections by first gap and the second gap；
The feeding network includes：Feed branch, match circuit and feed port；Feed port and corresponding feed branch it
Between be connected with match circuit, feed branch is respectively across positioned at the first gap of circuit system back and the second gap.
Technical scheme two；
A kind of multifrequency intelligent terminal antenna for full metal jacket, including be installed in outside the metal of circuit system back
Shell, the gap being opened on metal shell and is arranged on the positive feeding network of system circuit board；It is characterized in that：
The edge of the metal shell is provided with the metal edge frame that side is extended to from the back side of system circuit board；Institute
State and the first gap and the second gap offered on metal shell, first gap is dual-end type gap, second seam
Gap is single-ended open-type gap, and metal edge frame is divided into separate three sections by first gap and the second gap；
The feeding network includes：Feed branch, match circuit, feed port and gating circuit；Feed port and feed
Gating circuit is connected between branch, match circuit, feed branch difference are connected between each feed branch and gating circuit
Across positioned at the first gap of circuit system back and the second gap.
According to embodiments of the present invention, gating circuit includes in the present invention：Gating switch, comparison control circuit and detection electricity
Road.
Technical scheme two is that the function of antenna frequencies reconstruct is incorporated on the basis of technical scheme one, after realizing intelligent decision
Select the different operating frequency range of antenna.
It is further that in both the above technical scheme, the metal edge frame includes two long sides and two being oppositely arranged
Bar short side, two second short sides are oppositely arranged and are connected between two long sides；First gap and the second gap are leaned on
The short side of nearly metal edge frame is set.
It is further that in both the above technical scheme, the system circuit board is that medium substrate or one side cover copper
Medium substrate.
It is further that the width in gap is between 0.5 millimeter~5 millimeters on the metal shell.
It is further that in both the above technical scheme, the distance of its short side of clearance distance is adjustable on the metal shell.
It is further that in both the above technical scheme, the A/F in gap is identical or different from the width in gap,
The A/F in the gap is between 0.5 millimeter~5 millimeters.
Be further, in both the above technical scheme, in addition to load on be separated to form on the first gap it is single-ended
The U-shaped folded metal piece 300 in open-type gap.
Further, the U-shaped folded metal piece and the mutually isolated setting of system circuit board.
According to embodiments of the present invention, U-shaped folded metal piece part is suspended at system circuit board upper front, U in the present invention
The both ends of type folded metal piece are connected down through in system circuit board and with its back metal shell so that U-shaped to fold gold
First gap is separated to form single-ended open-type gap by category piece.
Wherein：The length in the single-ended open-type gap that the first gap and loading U-shaped folded metal piece thereon are formed and
Width is adjustable.
As the specific embodiment of the present invention, the U-shaped folded metal piece in part for the setting that suspends and system below
Circuit board can also fill therebetween nonmetallic materials.
It is further that in both the above technical scheme, the metal shell is as systematically.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, the present invention forms the machine of resonance by loading dual-end type gap, dual-end type gap on metal shell
It is similar to manage the mechanism for forming resonance with existing single-ended open-type gap, existing list is different from yet with dual-end type gap
End opening type gap enables to feed placement to be formed about the working condition of near short circuit, is excited equivalent to same distributing point
Two single-ended open-type gaps；And different imaginary short position correspondences is in different frequency so that dual-end type gap forms more
Individual frequency resonance, so as to realize that multiband works, result according to embodiments of the present invention being capable of covering part by Reasonable adjustment parameter
Divide 4G frequency ranges and 5G frequency ranges.
2nd, the present invention using metal shell as systematically, as radiating element, the present invention adopt by the gap on metal shell
Conventional planar antenna structure is different from three-dimensional structure modeling, solves antenna while antenna miniaturization and compactedness is realized
The problem for causing antenna performance impaired coexists with the metal shell of large area.
3rd, antenna of the invention is applied to full metal jacket terminal device, with the terminal device of inventive antenna except gold
Belonging to outside two open seams on two gaps and metal edge frame of bonnet, the back side and side of terminal device are metal,
The intensity, texture and aesthetic feeling of terminal device are improved, caters to the market demand.
Brief description of the drawings
Fig. 1 is a kind of 3 D stereo signal of multifrequency terminal antenna for full metal jacket provided in an embodiment of the present invention
Figure；
Fig. 2 is a kind of schematic side view of multifrequency terminal antenna for full metal jacket provided in an embodiment of the present invention；
Fig. 3 is a kind of schematic top plan view of multifrequency terminal antenna for full metal jacket provided in an embodiment of the present invention；
Fig. 4 is the structural representation of metal back cover in multifrequency terminal antenna provided in an embodiment of the present invention；
Fig. 5 is the knot for being located at the positive feeding network of system circuit board in multifrequency terminal antenna provided in an embodiment of the present invention
Structure schematic diagram；
Fig. 6 is that the U-shaped folded metal piece on the first gap is loaded in multifrequency terminal antenna provided in an embodiment of the present invention
With the schematic diagram of system circuit board；
Fig. 7 is the schematic diagram of match circuit in multifrequency terminal antenna provided in an embodiment of the present invention；
Fig. 8 is the schematic diagram of gating circuit in multifrequency terminal antenna provided in an embodiment of the present invention；
Fig. 9 is the work block diagram of gating circuit in multifrequency terminal antenna provided in an embodiment of the present invention；
Figure 10 is reflection coefficient curve of the multifrequency terminal antenna provided in an embodiment of the present invention under two working conditions；
Figure 11 is efficiency curve of the multifrequency terminal antenna provided in an embodiment of the present invention under two working conditions.
In figure：100 be metal shell, and 101 be metal back cover, and 102 be metal edge frame, and 200 be gap, and 201 be the first seam
Gap, 202 be the second gap, and 300 be U-shaped folded metal piece, and 400 be feed port, and 500 be gating circuit, and 601 be feed branch
One, 602 be feed branch two, and 701 be match circuit one, and 702 be match circuit two, and 800 be system circuit board, and 900 be feed
Network.
Embodiment
Idea of the invention is to provide a kind of antenna form loaded using dual-end type gap, passes through slot antenna
Multiple frequency resonance are formed, so as to realize that multiband works, can be used in the mobile terminal of following 5G communication networks；This hair simultaneously
It is bright to be designed using full metal jacket, shielding action of the conventional metals shell to antenna is eliminated, antenna performance is excellent, realizes suitable
Antenna assembly for full metal jacket terminal device.
The principle and characteristic of the present invention are described in detail with reference to specific embodiment and Figure of description：
Embodiment：
Terminal device includes but is not limited in the present invention：Mobile phone terminal, intelligent watch, portable computer or similar
Any suitable terminal device.
With reference to Fig. 1 to schematic diagram illustrated in fig. 6, the specific embodiment of the invention provides a kind of for full metal jacket
Multifrequency smart antenna, including it is installed in the metal shell 100 at the back side of system circuit board 800, the seam being opened on metal shell 100
Gap 200 and it is arranged on the positive feeding network 900 of system circuit board 800；It is characterized in that：
The edge of the metal shell 100 is provided with the metal that side is extended to from the back side of system circuit board 800
Frame 102；The first gap 201 and the second gap 202 are offered on the metal shell, first gap 201 is opened for both-end
Shape of the mouth as one speaks gap, second gap 202 are single-ended open-type gap, and the gap 202 of the first gap 201 and second is by metal edges
Frame is divided into separate three sections；
The feeding network 900 includes：Feed branch 1, feed branch 2 602, match circuit 1, matching electricity
Road 2 702, feed port 400 and gating circuit；Gating circuit, each feed point are connected between feed port and feed branch
Match circuit is connected between branch and gating circuit, feed branch is respectively across positioned at the first gap of circuit system back
201 and second gap 202.
As shown in figure 4, metal shell 100 includes the metal edge frame 102 of metal back cover 101 and metal back cover the week side of boss, gold
Category bonnet 101 and metal edge frame 102 are connected to form the monolithic case of terminal device；3 dimensional drawing with reference to shown in Fig. 1 can be with
Find out：In metal back cover and it is respectively arranged with interconnected the first gap 201 and the second gap 202 on metal edge frame；The
Two gap bands that one gap 201 includes being opened on metal edge frame 102 and a narrow slit for being opened in metal back cover 101, two
Individual gap band is located at narrow slit whole story both ends and connects to form dual-end type gap with above-mentioned narrow slit respectively, wherein：Gap band
Width is identical or different from the width of narrow slit, and the width of the gap band and narrow slit is between 0.5 millimeter~5 millimeters；The
Two gaps 202 include a gap band being opened on metal edge frame 102 and another narrow slit for being opened in metal back cover 101,
One gap band is located at above-mentioned narrow slit one end and connects to form single-ended open-type gap with narrow slit respectively, wherein：The width of gap band
Degree is identical or different from the width of narrow slit, and the width of the gap band and narrow slit is between 0.5 millimeter~5 millimeters.It is described
Metal shell is separated discontinuous region by gap 200, so as to utilize gap radiation, avoids metal shell 100 and antenna is believed
Number adverse effect, and then improve antenna performance
Further, the first gap 201 and the second gap 202 can use the mode of filling non-metallic material with guarantee fund
Belong to the intensity of shell.
Further, the size in the first gap 201 and the second gap 202 can be set as the case may be, not made herein
Limitation, the width of preferably two narrow slits 201,202 of this implementation is 3mm.
Fig. 5 shows the system circuit board 800 and its front feeding network 900 of full metal jacket mobile intelligent terminal antenna
Schematic top plan view；Understand with reference to Fig. 1, include in the positive feeding network 900 of system circuit board 800：Feed port 400, choosing
Circuit passband 500, feed branch 1, feed branch 2 602, match circuit 1 and match circuit 2 702；
Wherein：Feed branch 1 specifically uses the L-type microstrip line of open-end as feed element, so as to encourage
First gap 201, and be connected by match circuit 1 with the gating circuit 500 on system circuit board 800；Feed point
Branch 2 602 also be using open-end L-type microstrip line as feed element, so as to encourage the second gap 202, and pass through matching
Circuit 2 702 is connected with the gating circuit 500 on system circuit board 800；Feed port 400 passes through one section of microstrip line and choosing
Circuit passband 500 is connected, thus, radiofrequency signal selects feed-in feed branch from the gated circuit 500 of distributing point 400；And it is chosen
The feed branch selected is then by the resonance in gap corresponding to coupling excitation, in practical work process, metal back cover 101 and and its
The metal edge frame 102 of connection is collectively as systematically.
In order to cover more 4G frequency ranges, preferably, this gives one kind to load on
The structural representation of U-shaped folded metal piece 300 on one gap 201, U-shaped folded metal piece 300 and system electricity are shown in Fig. 5
The position relationship of road plate.As shown in Figure 5, the horizontal plane of U-shaped folded metal piece 300 is and the mutually isolated setting of system circuit board
, nonmetallic materials can be filled therebetween, and the both ends folded in U-shaped folded metal piece 300 are down through system circuit board
It is connected in 800 and with its back metal shell (i.e. metal back cover 101) so that U-shaped folded metal piece and the shape of the first gap 201
Into the gap of a single-ended opening.So so that U-shaped folded metal piece 300 is combined to form new resonance with the first gap 201
Path, so as to realize the resonance of low frequency, the position of U-shaped folded metal piece 300 and size can be entered according to different user frequency range
Row adjustment, and then realize the demand of multiband communication.
Specifically, as shown in fig. 7, this example gives the form of the match circuit for adjusting antenna impedance bandwidth,
With circuit 1 such as shown in Fig. 7 (a), using C1, L1 is shunt inductance for series capacitance；Such as Fig. 7 (b) institutes of match circuit 2 702
Show, using shunt capacitance C2 and series inductance L2 form；
Specifically, this example gives the gating circuit between connection feed port 400 and match circuit 701,702
500 schematic diagram, as shown in figure 8, when switch selects left side to connect, as shown in Fig. 8 (a), right-hand member feed branch 2 602 is opened
Road, one 601 pairs of gaps of the matched circuit 1 of radiofrequency signal and feed branch load the first seam of U-shaped folded metal piece 300
Gap 201 is fed, and Antenna Operation is in state 1；When switch selects right side to connect, as shown in Fig. 8 (b), left side feed branch 1
Open circuit, 2 602 pair of second gap 202 of the matched circuit 2 702 of radiofrequency signal and feed branch are fed, and Antenna Operation is in state
2。
Specifically, this gives on system circuit board 800 and to connect feed port by as shown in Figure 9
The work block diagram of gating circuit 500 between 400 and match circuit 701,702；Gating circuit 500 includes：Gating switch, detection
Circuit and comparison control circuit；Gating switch connects one of feed branch in advance, and signal is used as reference, inspection all the way using this
Slowdown monitoring circuit is monitored in real time to two-way working signal, and Testing index can be that detection amplitude can also be phase, and then two are presented
Signal in electric branch is compared, and comparison control circuit realizes the function of comparing with control, if other signal all the way is than ginseng
It is weak to examine signal, then switchs and does not respond, keeps original state；If compared in addition, signal is stronger than reference signal all the way,
So switch makes handoff response, and is used as reference signal next time using state now.Realized by this technological means
The frequency reconfiguration of antenna, i.e. basis are actually needed carries out frequency range switching, the different operating frequency range of intelligent selection antenna in real time.
The advantages of multifrequency terminal antenna provided by the invention realizes multifrequency and wideband, the frequency needed for communication can be covered
Section.The structural parameters of antenna, l in this implementation are indicated with reference to Fig. 3, Fig. 5, Fig. 6 and Fig. 71=43mm, w1=w2=3mm, l2=
23mm, l3=18mm, h=6mm, p1=28mm, p2=16.5mm, C1=2.2pF, L1=5.1nH, C2=0.75pF, L2=
2.7nH；As shown in Figure 10, the present embodiment provides the return loss plot based on said structure parameter antenna；As shown in figure 11, originally
Embodiment provides the efficiency curve based on said structure parameter antenna；From above-mentioned it can be seen from the figure that：The present invention is opened based on both-end
Shape of the mouth as one speaks gap loads the trailing edge slot antenna structure that U-shaped folded metal piece is formed, effective while the miniaturization of antenna is realized
Cover GSM850, GSM900, LTE2300 and LTE2500 this four 4G communications bands, 5.8GHz WLAN frequency ranges and future
Account for two leading 5G communications bands；Further single-ended open-type slot antenna coordinates above-mentioned trailing edge slot antenna structure covering
These three 4G communications bands of DCS, PCS, UMTS2100.Further, the present embodiment has incorporated frequency by improving feeding network
Rate recombination function, by rationally setting gating circuit so that antenna in the course of the work can be according to being actually needed real-time progress
Frequency range switches, the different operating frequency range of intelligent selection antenna.In addition, it can realize that terminal device is entirely golden the invention provides one kind
Belong to the antenna assembly of outside the pale of civilization shell, be that metal covers in addition to the first gap 201 and the second gap 202 on metal shell 100
Lid, in other words, metal is almost completely covered in side, the back side of terminal device provided by the invention, has substantially carried out terminal
The all-metal covering of equipment, improves user to fuselage metal-like and the demand of aesthetic feeling.
Claims (10)
1. a kind of multifrequency terminal antenna for full metal jacket, including be installed in outside the metal at system circuit board (800) back side
Shell (100), the gap (200) being opened on metal shell (100) and is arranged on system circuit board (800) positive transmission network
Network (900)；It is characterized in that：
The edge of the metal shell (100) is provided with the metal that side is extended to from the back side of system circuit board (800)
Frame (102)；The first gap (201) and the second gap (202), first gap are offered on the metal shell (100)
(201) it is dual-end type gap, second gap (202) is single-ended open-type gap；First gap (201) and
Metal edge frame (102) is divided into separate three sections by two gaps (202)；
The feeding network (900) includes：Feed branch, match circuit and feed port (400)；Feed port (400) and phase
Answer and match circuit is connected between feed branch, feed branch is respectively across the first seam positioned at system circuit board (800) back side
Gap (201) and the second gap (202).
A kind of 2. multifrequency terminal antenna for full metal jacket according to claim 1, it is characterised in that the metal
Frame (102) includes two long sides being oppositely arranged and two short sides, and two second short sides are oppositely arranged and are connected to two
Between bar long side；First gap (201) and the second gap (202) are set close to the short side of metal edge frame (102).
3. a kind of multifrequency terminal antenna for full metal jacket according to claim 1, it is characterised in that also include adding
It is loaded in the U-shaped folded metal piece (300) that single-ended open-type gap is separated to form on the first gap (201).
4. a kind of multifrequency terminal antenna for full metal jacket according to claim 3, it is characterised in that described U-shaped
Folded metal piece (300) is partly suspended at system circuit board (800) upper front, and the both ends of U-shaped folded metal piece (300) are downward
Penetrate in system circuit board (800) and be connected with its back metal shell so that U-shaped folded metal piece and the first gap
(201) gap of a single-ended opening is formed.
5. a kind of multifrequency terminal antenna for full metal jacket according to claim 4, it is characterised in that suspend and set
The U-shaped folded metal piece (300) in part be also filled with nonmetallic materials therebetween with system circuit board (800) below.
6. a kind of multifrequency terminal antenna for full metal jacket according to claim 1, it is characterised in that also include choosing
Circuit passband, the gating circuit (500) are connected between feed branch and feed port (400).
A kind of 7. multifrequency terminal antenna for full metal jacket according to claim 6, it is characterised in that the gating
Circuit includes detection circuit, comparison control circuit and gating switch.
8. a kind of multifrequency terminal antenna for full metal jacket according to any one of claim 1 to 7, its feature exist
In the width in gap is between 0.5 millimeter~5 millimeters on metal shell (100).
9. a kind of multifrequency terminal antenna for full metal jacket according to any one of claim 1 to 7, its feature exist
In the A/F in gap is identical or different from the width in gap, and the A/F in the gap is between 0.5 millimeter~5 millis
Between rice.
10. a kind of multifrequency terminal antenna for full metal jacket according to any one of claim 1 to 7, its feature exist
In the metal shell (100) is as systematically.
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| CN201710778208.XA CN107369892B (en) | 2017-09-01 | 2017-09-01 | A kind of multifrequency terminal antenna for full metal jacket |
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| CN201710778208.XA CN107369892B (en) | 2017-09-01 | 2017-09-01 | A kind of multifrequency terminal antenna for full metal jacket |
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| CN107369892B CN107369892B (en) | 2019-08-30 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108039572A (en) * | 2018-01-19 | 2018-05-15 | 广东欧珀移动通信有限公司 | Antenna module, center component and electronic equipment |
| CN108336483A (en) * | 2018-02-02 | 2018-07-27 | 广东欧珀移动通信有限公司 | Antenna module, electronic equipment and antenna switching method |
| CN108666739A (en) * | 2018-05-02 | 2018-10-16 | Oppo广东移动通信有限公司 | Antenna module, housing unit and electronic equipment |
| CN108808222A (en) * | 2018-06-19 | 2018-11-13 | 深圳市万普拉斯科技有限公司 | Antenna system and electronic equipment |
| CN109149086A (en) * | 2018-08-03 | 2019-01-04 | 瑞声科技（南京）有限公司 | antenna system and mobile terminal |
| CN109687148A (en) * | 2018-11-23 | 2019-04-26 | 合肥联宝信息技术有限公司 | The multi-antenna structure of becket combination slit |
| CN109728406A (en) * | 2018-12-24 | 2019-05-07 | 瑞声精密制造科技(常州)有限公司 | Antenna system and electronic equipment |
| CN109841944A (en) * | 2019-03-26 | 2019-06-04 | 青岛海信移动通信技术股份有限公司 | Antenna and terminal |
| CN109980332A (en) * | 2018-08-14 | 2019-07-05 | 上海安费诺永亿通讯电子有限公司 | Millimeter wave antenna system, metal shell, user terminal and millimetre-wave attenuator equipment |
| CN110581357A (en) * | 2019-09-29 | 2019-12-17 | 南昌黑鲨科技有限公司 | Mobile terminal and antenna switching method |
| CN111937368A (en) * | 2018-04-09 | 2020-11-13 | Lg电子株式会社 | Mobile terminal |
| CN113745803A (en) * | 2020-05-27 | 2021-12-03 | 启碁科技股份有限公司 | Electronic device and antenna module |
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| CN108039572A (en) * | 2018-01-19 | 2018-05-15 | 广东欧珀移动通信有限公司 | Antenna module, center component and electronic equipment |
| CN108336483A (en) * | 2018-02-02 | 2018-07-27 | 广东欧珀移动通信有限公司 | Antenna module, electronic equipment and antenna switching method |
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| CN108666739A (en) * | 2018-05-02 | 2018-10-16 | Oppo广东移动通信有限公司 | Antenna module, housing unit and electronic equipment |
| CN108808222A (en) * | 2018-06-19 | 2018-11-13 | 深圳市万普拉斯科技有限公司 | Antenna system and electronic equipment |
| CN109149086A (en) * | 2018-08-03 | 2019-01-04 | 瑞声科技（南京）有限公司 | antenna system and mobile terminal |
| CN109980332B (en) * | 2018-08-14 | 2023-05-09 | 上海安费诺永亿通讯电子有限公司 | Millimeter wave antenna system, metal housing, user terminal and millimeter wave communication device |
| CN109980332A (en) * | 2018-08-14 | 2019-07-05 | 上海安费诺永亿通讯电子有限公司 | Millimeter wave antenna system, metal shell, user terminal and millimetre-wave attenuator equipment |
| CN109687148A (en) * | 2018-11-23 | 2019-04-26 | 合肥联宝信息技术有限公司 | The multi-antenna structure of becket combination slit |
| CN109728406A (en) * | 2018-12-24 | 2019-05-07 | 瑞声精密制造科技(常州)有限公司 | Antenna system and electronic equipment |
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| CN110581357A (en) * | 2019-09-29 | 2019-12-17 | 南昌黑鲨科技有限公司 | Mobile terminal and antenna switching method |
| CN110581357B (en) * | 2019-09-29 | 2024-06-07 | 南昌黑鲨科技有限公司 | Mobile terminal and antenna switching method |
| CN113745803A (en) * | 2020-05-27 | 2021-12-03 | 启碁科技股份有限公司 | Electronic device and antenna module |
| CN113745803B (en) * | 2020-05-27 | 2024-05-28 | 启碁科技股份有限公司 | Electronic device and antenna module |
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