CN106374191A - Antenna and terminal equipment - Google Patents
Antenna and terminal equipment Download PDFInfo
- Publication number
- CN106374191A CN106374191A CN201610912247.XA CN201610912247A CN106374191A CN 106374191 A CN106374191 A CN 106374191A CN 201610912247 A CN201610912247 A CN 201610912247A CN 106374191 A CN106374191 A CN 106374191A
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- Prior art keywords
- antenna
- coupling
- branch
- unit
- tuning
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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
- H01Q1/12—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
-
- 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
Abstract
The invention discloses an antenna and terminal equipment. The antenna comprises an antenna body and a tuning device and also comprises a coupling device, wherein the coupling device is connected with the tuning device and is separated from the antenna body with a coupling distance to be coupled to the antenna body, coupling and tuning are further achieved, the design demand of the antenna is satisfied, the antenna body can be enabled not to be direct contact with the tuning device, thus, the ESD (Electro-Static Discharge) failure probability of the antenna is greatly reduced, the problem of ESD failure caused by the tuning device in direct contact with the antenna body is prevented, the antenna performance is improved, the ESD failure problem is solved without additionally arranging a TVS tube device at a corresponding radio-frequency port, and the design cost of a product is reduced. Meanwhile, the tuning device is not needed to be in contact with a generation side of the antenna body (such as a metal shell of the terminal equipment), thus, a contact position is not needed to be arranged on the metal shell, the structural design is simplified, the design cost of the product is reduced, and the structural reliability and the antenna performance consistency are greatly improved.
Description
Technical field
The present invention relates to communication technical field, especially relate to a kind of antenna and terminal unit.
Background technology
It is provided with antenna, antenna is typically made up of antenna body and tuning device in the terminal units such as mobile phone, panel computer,
Antenna body is directly connected with tuning device, realizes antenna tuning function.And existing terminal unit is in order to improve the matter of outward appearance
Sense, its shell more and more adopts metal material, that is, adopt metal edge frame and metal back cover, now then by metal edge frame and gold
Belong to bonnet as antenna body.
However, because the tuning device of antenna is directly contacted with antenna body, being therefore easily caused antenna tuning device
Static discharge (electro-static discharge, esd) lost efficacy, and then severe exacerbation antenna performance.Especially dry in the north
Under dry environment, because the use of mobile phone and people's close contact, the electrostatic on staff and mobile phone are produced with the friction of clothes in pocket
Raw electrostatic, without good esd protection Design, can make mobile phone pair by the metal edge frame/bonnet/interface/gap of mobile phone
The sensitive antenna tuning device of esd damages, thus having a strong impact on antenna performance.Esd described here, refers to there is different electrostatic
The electric charge transfer that the object of current potential is adjacent to each other or directly contact causes.
In order to solve the problems, such as esd inefficacy, the solution of prior art is to add tvs tube device in respective radio-frequency port,
But so can lead to additionally increase product design costses.
Further, since tuning device is directly contacted with antenna body, lead to a contact must be designed on metal shell
Position, but under some limit structural environments, very big difficulty can be brought to structure design, and it is overall to have a strong impact on antenna
Reliability.For example, in metal edge frame/bonnet project, tuning device and metal edge frame/bonnet side contacts, when antenna both sides are divided
When being not usb and mic, may result in side contacts and implement extremely difficult, thus leading to structure design difficulty big, rear end assembles
Difficulty is big, and poor reliability.
In sum, existing antenna design, has the problem of esd inefficacy and leads to antenna performance impacted, with
When increased the difficulty of structure design, have impact on the reliability of antenna.
Content of the invention
The main object of the present invention is for providing a kind of antenna and terminal unit it is intended to solve the esd of antenna in prior art
Inefficacy and the technical problem of structure design difficulty.
To achieve these objectives, the present invention proposes a kind of antenna, described inclusion antenna body and tuning device, also includes a coupling
Clutch part, described coupled apparatus is connected with described tuning device, and with described antenna body be spaced coupling space, with described sky
Line body couples.
Alternatively, described antenna body includes main unit and branch units, and described coupled apparatus includes and described tuning
The first coupling unit that device connects, described first coupling unit and described branch units side by side and are spaced coupling space.
Alternatively, described branch units is feed branch, and described feed branch is existed with the coupling position of the first coupling unit
At the position of the 1/3 to 2/3 of feed branch.
Alternatively, described coupling position apart from feed branch and main unit junction point than apart from distributing point closer to.
Alternatively, described branch units is two, and described first coupling unit is located at two branch units sides, described the
One coupling unit is spaced coupling space with adjacent branch units.
Alternatively, the branch units adjacent with described first coupling unit is feed branch.
Alternatively, described branch units is two, and described first coupling unit is located between two branch units, described the
One coupling unit is spaced coupling space with one of branch units.
Alternatively, described branch units includes feed branch and ground branch, described first coupling unit and described ground branch
Interval coupling space.
Alternatively, at 1/2 position in ground branch for the coupling position of described ground branch and the first coupling unit.
Alternatively, described branch units is two, and described first coupling unit is located between two branch units, described the
One coupling unit is spaced coupling space with two branch units respectively.
Alternatively, described coupled apparatus also includes second coupling unit arranged side by side with described main unit, described second coupling
Close unit and be spaced coupling space with described main unit.
Alternatively, described coupling unit is in t type.
Alternatively, described coupling space is between 0.1～3 millimeter.
Alternatively, described coupling space is between 0.2～0.3 millimeter.
The present invention proposes a kind of terminal unit simultaneously, and described terminal unit includes an antenna, and described antenna includes antenna originally
, it is characterised in that also including a coupled apparatus, described coupled apparatus is connected with described tuning device for body and tuning device, and with
Described antenna body is spaced coupling space, to couple with described antenna body.
A kind of antenna that the embodiment of the present invention is provided, by setting up a bonder between antenna body and tuning device
Part, is connected with tuning device and is spaced coupling distance with antenna body and produces and couple by coupled apparatus, and then realizes coupling tune
Humorous, both met Antenna Design demand, made antenna body without directly contact tuning device again, thus significantly reducing antenna
Esd failure probability, it is to avoid tuning device, because directly contacting, with antenna body, the esd Problem of Failure leading to, improves sky
Linear energy.Thus, tvs tube device need not be added to solve eds Problem of Failure in respective radio-frequency port, save product design one-tenth
This.
Simultaneously as tuning device need not produce side contacts with antenna body (as metal shell of terminal unit), therefore
Contact position need not be designed on metal shell, thus simplifying structure design, save product design costses, having considerably increased
Reliability of structure and the concordance of antenna performance.By the appropriate design of this programme, it is possible to achieve for antenna requirements frequency range
Tuning performance demand, is finally reached Antenna Design index.
Brief description
Fig. 1 is the structural representation of the antenna of first embodiment of the invention；
Fig. 2 is the structural representation of the antenna of second embodiment of the invention；
Fig. 3 is the structural representation of the antenna of third embodiment of the invention；
Fig. 4 is the structural representation of the antenna of fourth embodiment of the invention；
Fig. 5 is the oscillogram that antenna for second embodiment carries out coupling tuning acquisition；
Fig. 6 is the another oscillogram that antenna for second embodiment carries out coupling tuning acquisition；
Fig. 7 is the another oscillogram that antenna for second embodiment carries out coupling tuning acquisition；
Fig. 8 is the experimental data that antenna for second embodiment carries out coupling tuning acquisition.
The realization of the object of the invention, functional characteristics and advantage will be described further in conjunction with the embodiments referring to the drawings.
Specific embodiment
It should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Embodiments of the invention are described below in detail, the example of described embodiment is shown in the drawings, wherein from start to finish
The element that same or similar label represents same or similar element or has same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative " " used herein, "
Individual ", " described " and " being somebody's turn to do " may also comprise plural form.It is to be further understood that arranging used in the description of the present invention
Diction " inclusion " refers to there is described feature, integer, step, operation, element and/or assembly, but it is not excluded that existing or adding
Other features one or more, integer, step, operation, element, assembly and/or their group.It should be understood that when we claim unit
Part is " connected " or during " coupled " to another element, and it can be directly connected or coupled to other elements, or can also exist
Intermediary element.Additionally, " connection " used herein or " coupling " can include wirelessly connecting or wirelessly coupling.Used herein arrange
Diction "and/or" includes one or more associated list the whole of item or any cell and combines with whole.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, and all terms used herein (include technology art
Language and scientific terminology), there is the general understanding identical meaning with the those of ordinary skill in art of the present invention.Also should
Be understood by, those terms defined in such as general dictionary it should be understood that have with the context of prior art in
The consistent meaning of meaning, and unless by specific definitions as here, otherwise will not use idealization or excessively formal implication
To explain.
Those skilled in the art of the present technique are appreciated that " terminal " used herein above, " terminal unit " had both included wireless communication
The equipment of number receptor, it only possesses the equipment of the wireless signal receiver of non-emissive ability, includes receiving and transmitting hardware again
Equipment, its have can on bidirectional communication link, execute two-way communication reception and transmitting hardware equipment.This equipment
May include that honeycomb or other communication equipments, it has single line display or multi-line display or does not have multi-line to show
The honeycomb of device or other communication equipments；Pcs (personal communications service, PCS Personal Communications System), it can
With combine voice, data processing, fax and/or its communication ability；Pda (personal digital assistant, personal
Digital assistants), it can include radio frequency receiver, pager, the Internet/intranet access, web browser, notepad, day
Go through and/or gps (global positioning system, global positioning system) receptor；Conventional laptop and/or palm
Type computer or other equipment, its have and/or include the conventional laptop of radio frequency receiver and/or palmtop computer or its
His equipment." terminal " used herein above, " terminal unit " they can be portable, can transport, be arranged on the vehicles (aviation,
Sea-freight and/or land) in, or be suitable for and/or be configured in local runtime, and/or with distribution form, operate in the earth
And/or any other position operation in space." terminal " used herein above, " terminal unit " can also be communication terminal, on
Network termination, music/video playback terminal, for example, can be pda, mid (mobile internet device, mobile Internet
Equipment) and/or there is mobile phone or the equipment such as intelligent television, Set Top Box of music/video playing function.
Embodiment one
With reference to Fig. 1, the antenna of first embodiment of the invention is proposed, described antenna includes antenna body 10, tuning device 20
With coupled apparatus 30, coupled apparatus 30 is connected with tuning device 20, and antenna body 10 is neither connected with tuning device 20, also not with
Coupled apparatus 30 connects, but is spaced coupling space with coupled apparatus 30, to couple with coupled apparatus 30, thus realize coupling adjusting
Humorous.Described coupling space can set according to actual needs, between 0.1～3 millimeter, is preferably between 0.2～0.3 milli
Between rice.
Coupling described in the embodiment of the present invention, refers to exist tight fit between two and its above antenna component units
With influence each other, the parameter of whole antenna can indirectly be changed by the parameter changing one of antenna component units, and then
Reach the phenomenon acting on side and affecting the overall situation.
In the embodiment of the present invention, tuning device 20 includes tuning switch 21 and at least two tuned cells 22, as Fig. 1 institute
Show there are four tuned cells 22.Described tuning switch 21 such as single-pole double-throw switch (SPDT), one pole four position switch etc., described tuned cell
22 such as one of element such as resistance, electric capacity, inductance or at least two combination.By by tuning switch 21 in different tunings
Switch between element 22, the resistance/capacitance/inductance value changing tuning switch 21rfx port is reaching tuning purpose.In some realities
Apply in example, tuning device 20 can also only include adjustable tuned cell, such as the unit such as tunable capacitor, controllable impedance, adjustable resistance
One of part or at least two combination, by change tuning device value (as capacitance, inductance value, resistance value etc.) to reach
To tuning purpose.
As shown in figure 1, antenna body 10 includes main unit 11 and branch units, this branch units is feed branch 12,
Feed branch 12 connects distributing point.Coupled apparatus 30 is located at one end of the main unit 11 of antenna body 10, including the first coupling
Unit 31, this first coupling unit 31 connects the tuning switch 21 of tuning device 20, with the feed branch 11 of antenna body 10 simultaneously
Row setting, preferably parallel with feed branch 11, and it is spaced a coupling space d with feed branch 11, thus realizing the coupling of antenna
Tuning.Wherein, the coupling position of feed branch 12 and the first coupling unit 31 probably the 1/3 to 2/3 of feed branch 12 position
The place of putting (of course is located at other positions), and it feeds than distance apart from the junction point of feed branch 12 and main unit 11
Point is closer to (vice versa).
Further, as shown in figure 1, coupled apparatus 30 also includes the second coupling unit 32, thus the first coupling unit 31
One end connects tuning device 20, and the other end connects the second coupling unit 32.Second coupling unit 32 and the main body of antenna body 10
Unit 11 is set up in parallel, preferably parallel with main unit 11, and is spaced coupling space c with main unit 11, thus increasing further
The coupling tuning effect of strong antenna.Preferably, the first coupling unit 31 and the second coupling unit 32 are mutually perpendicular to, so that coupling
Clutch 30 is in t type, to be conducive to the raising of layout and tuning effect.Wherein, main unit 11 and the second coupling unit 32
Coupling position is located at the end (of course being located at other positions) of main unit 11.
Coupling space d between first coupling unit 31 and feed branch 12 and the second coupling unit 32 and main unit 11
Between coupling space c can equal it is also possible to.Embodiment two
With reference to Fig. 2, the antenna of second embodiment of the invention is proposed, the present embodiment is antenna basis with the difference of first embodiment
Body 10 includes two branch units, except feed branch 12, also includes a ground branch 13, and this ground branch 13 connects earth point, the
One coupling unit 31 is located at the side of two branch units.As shown in Fig. 2 the first coupling unit 31 is adjacent with feed branch 12
(in certain embodiments can also be adjacent with ground branch 13), and it is spaced a coupling space d with feed branch 12.Wherein, feed
The coupling position of branch 12 and the first coupling unit 31 probably (can certainly at the 1/3 to 2/3 of feed branch 12 position
Located elsewhere), and its apart from feed branch 12 and main unit 11 junction point than apart from distributing point closer to (otherwise also
Can)；The coupling position of main unit 11 and the second coupling unit 32 is probably located at 1/3 to 2/3 position of main unit 11
(of course being located at other positions).Meanwhile, the tuning device 20 in the present embodiment has two tuned cells 22.Thus,
By increasing a branch units, enhance antenna performance.
Embodiment three
With reference to Fig. 3, the antenna of third embodiment of the invention is proposed, the present embodiment is the first coupling with the difference of second embodiment
Close between two branch units that unit 31 is located at antenna body 10, that is, be located between feed branch 12 and ground branch 13, and with
Ground branch 13 interval coupling space d (in certain embodiments can also with feed branch 12 be spaced coupling space), that is, with respect to
Distributing point, coupled apparatus 30 is closer to earth point.Wherein, the coupling position of ground branch 13 and the first coupling unit 31 is probably on ground
(it of course is located at other positions) at the position of the 1/2 of branch 12；Main unit 11 is coupled with the second coupling unit 32
Position is probably located at and (of course is located at other positions) at 1/3 to 2/3 position of main unit 11, and its distance ground connection
Point ratio is apart from distributing point closer to (vice versa).
Thus increased a kind of layout type, conveniently carry out different layouts according to actual needs, to improve coupling tuning
Effect, lifts antenna performance.
Example IV
With reference to Fig. 4, the antenna of fourth embodiment of the invention is proposed, the present embodiment is the first coupling with the difference of 3rd embodiment
Close unit 31 and be spaced a coupling space with two branch units respectively, be spaced a coupling with ground branch 13 and feed branch 12 respectively
Close spacing d1 and d2, coupling space d1 and d2 can equal it is also possible to.Wherein, ground branch 13 and the first coupling unit 31
Coupling position probably at the 1/2 of ground branch 12 position, (of course be located at other positions)；Feed branch 12 and
The coupling position of one coupling unit 31 probably (of course is located at other positions at the 1/3 to 2/3 of feed branch 12 position
Put), and its apart from feed branch 12 and main unit 11 junction point than apart from distributing point closer to (vice versa)；Main unit
11 and second coupling unit 32 coupling position probably be located at main unit 11 1/3 to 2/3 position at (can certainly position
In other positions), and it can equal can not also wait with the distance of earth point and distributing point.
Thus, there is between coupled apparatus 30 and antenna body 10 in the present embodiment coupling space c, coupling space d1 and coupling
Close tri- coupling spaces of spacing d2, further enhancing the coupling tuning effect of antenna, improve antenna performance.
Above example is respectively in loop aerial (loop), planar inverted f type antenna (planar inverted f-
Shaped antenna, pifa), transformed on the basis of unipole antenna (monopole) and the antenna of falling f (ifa) after obtain
The antenna of the coupling tuning of the present invention.In actual implementation process, suitable position can be found according to specific antenna environment,
It is tuned with the frequency range reaching for some demands, and then lift antenna performance.Further, it is also possible to according to actual needs to front
The antenna stating embodiment carries out various modifications, such as increases more branch units for antenna body 10, is that coupled apparatus 30 increases more
First many coupling unit 31 etc..
As shown in Figure 5-Figure 8, carry out, by the antenna for second embodiment, oscillogram and the experiment that coupling tuning is obtained
Data, wherein, Fig. 5 is the oscillogram in coupling tuning state 0 for the antenna, and Fig. 6 is the oscillogram in coupling tuning state 1 for the antenna,
Fig. 7 is the oscillogram in coupling tuning state 2 for the antenna, and Fig. 8 is the experimental data in coupling tuning state 0～2 for the antenna.Therefrom may be used
To find out, by the coupling tuning scheme of the present invention, under different coupling tuning states, can allow antenna from low frequency 824～
960mhz is satisfied by vswr<2.5, and efficiency can meet>30%, thus meeting Antenna Design demand.
It is more than the experimental data of the antenna for second embodiment, the antenna of remaining embodiment is verified through actual experiment
It is also effective, here does not enumerate, related experiment can do optimization design according to project actual environment.
The antenna of the embodiment of the present invention, can apply to various terminal equipment, the such as mobile terminal such as mobile phone, flat board, both may be used
To be applied to metal shell type it is also possible to be applied to common plasticses or ceramic package type.When being applied to metal shell type
More advantage.
The antenna of the embodiment of the present invention, by setting up a coupled apparatus 30 between antenna body 10 and tuning device 20,
It is connected with tuning device 20 and is spaced coupling distance with antenna body 10 and produces and couple by coupled apparatus 30, and then realize coupling
Tuning, both having met Antenna Design demand, having made antenna body 10 without directly contact tuning device 20, thus significantly weakening again
The esd failure probability of antenna, it is to avoid tuning device 20 because directly contact, with antenna body, the esd Problem of Failure leading to,
Improve antenna performance.Thus, tvs tube device need not be added to solve eds Problem of Failure in respective radio-frequency port, save product
Design cost.
Simultaneously as tuning device 20 need not produce side contacts with antenna body 10 (as the metal shell of terminal unit),
Therefore contact position need not be designed on metal shell, thus simplifying structure design, save product design costses, having increased greatly
Add the concordance of reliability of structure and antenna performance.By the appropriate design of this programme, it is possible to achieve for antenna requirements
Frequency range tuning performance demand, is finally reached Antenna Design index.
The present invention proposes a kind of terminal unit simultaneously, and described terminal unit includes antenna, and described antenna includes antenna body
And tuning device, also include a coupled apparatus, described coupled apparatus is connected with described tuning device, and and between described antenna body
Every coupling space, to couple with described antenna body.Antenna described in the present embodiment is above-described embodiment institute in the present invention
The antenna being related to, will not be described here.
The terminal unit of the embodiment of the present invention, by using coupling tuning scheme, between antenna body and tuning device
Set up a coupled apparatus, be connected with tuning device and be spaced coupling distance with antenna body and produce and couple by coupled apparatus, enter
And realize coupling tuning, both meet Antenna Design demand, make antenna body without directly contact tuning device again, thus greatly
Reduce greatly the esd failure probability of antenna, it is to avoid tuning device is asked because directly contact the esd inefficacy leading to antenna body
Topic, improves antenna performance.Thus, tvs tube device need not be added to solve eds Problem of Failure in respective radio-frequency port, save
Product design costses.
Simultaneously as tuning device need not produce side contacts with antenna body (as metal shell of terminal unit), therefore
Contact position need not being designed on metal shell, thus simplifying the structure design of terminal unit, having saved product design costses,
Considerably increase the concordance of reliability of structure and antenna performance.By the appropriate design of this programme, it is possible to achieve for sky
Line demand frequency range tuning performance demand, is finally reached Antenna Design index.
The preferred embodiments of the present invention above by reference to brief description, not thereby limit to the interest field of the present invention.This
Skilled person, without departing from the scope of the present invention and essence, can have multiple flexible programs to realize the present invention, for example as one
The feature of individual embodiment can be used for another embodiment and obtains another embodiment.All institutes within the technology design with the present invention
Any modification, equivalent and the improvement made, all should be within the interest field of the present invention.
Claims (10)
1. a kind of antenna, including antenna body and tuning device it is characterised in that also including a coupled apparatus, described bonder
Part is connected with described tuning device, and is spaced coupling space with described antenna body, to couple with described antenna body.
2. antenna according to claim 1 is it is characterised in that described antenna body includes main unit and branch units,
Described coupled apparatus includes the first coupling unit being connected with described tuning device, and described first coupling unit is single with described branch
Unit side by side and is spaced coupling space.
3. antenna according to claim 2 it is characterised in that described branch units be feed branch, described feed branch
With the coupling position of described first coupling unit in described feed branch 1/3 to 2/3 position at.
4. antenna according to claim 3 is it is characterised in that described coupling position is apart from described feed branch and described master
The junction point of body unit than apart from distributing point closer to.
5. antenna according to claim 2 it is characterised in that described branch units be two, described first coupling unit
Positioned at two branch units sides, described first coupling unit is spaced coupling space with adjacent branch units.
6. antenna according to claim 5 is it is characterised in that the branch units adjacent with described first coupling unit is feedback
Source branch.
7. antenna according to claim 2 it is characterised in that described branch units be two, described first coupling unit
Between two branch units, described first coupling unit is spaced coupling space with one of branch units.
8. antenna according to claim 7 is it is characterised in that described branch units includes feed branch and ground branch, institute
State the first coupling unit and be spaced coupling space with described ground branch.
9. antenna according to claim 8 it is characterised in that described ground branch and described first coupling unit couple position
Put at the 1/2 of ground branch position.
10. a kind of terminal unit is it is characterised in that include the antenna as described in any one of claim 1-9.
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| CN201610912247.XA CN106374191B (en) | 2016-10-19 | 2016-10-19 | Antenna and terminal device |
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| CN201610912247.XA CN106374191B (en) | 2016-10-19 | 2016-10-19 | Antenna and terminal device |
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| CN106374191A true CN106374191A (en) | 2017-02-01 |
| CN106374191B CN106374191B (en) | 2019-09-17 |
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Cited By (8)
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| CN107508035A (en) * | 2017-08-08 | 2017-12-22 | 惠州硕贝德无线科技股份有限公司 | A kind of antenna scheme for improving mobile phone number of people hand data |
| CN108336506A (en) * | 2018-01-10 | 2018-07-27 | 宇龙计算机通信科技(深圳)有限公司 | A kind of antenna system and a kind of communication terminal |
| CN109346831A (en) * | 2018-09-30 | 2019-02-15 | 维沃移动通信有限公司 | A kind of antenna system and terminal |
| CN110462930A (en) * | 2017-03-29 | 2019-11-15 | 华为技术有限公司 | Antenna and terminal device |
| CN111146562A (en) * | 2019-05-27 | 2020-05-12 | 广东小天才科技有限公司 | Tunable antenna and communication terminal |
| CN113381188A (en) * | 2021-06-23 | 2021-09-10 | 东莞市小精灵教育软件有限公司 | Antenna structure and communication terminal |
| WO2021249078A1 (en) * | 2020-06-12 | 2021-12-16 | 中兴通讯股份有限公司 | Dynamic antenna group and terminal device comprising same |
| CN114665256A (en) * | 2020-12-22 | 2022-06-24 | 深圳市万普拉斯科技有限公司 | Antenna structure, mobile terminal and frequency band switching method |
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