CN107706505A - Position antenna assembly and mobile terminal - Google Patents
Position antenna assembly and mobile terminal Download PDFInfo
- Publication number
- CN107706505A CN107706505A CN201711106945.1A CN201711106945A CN107706505A CN 107706505 A CN107706505 A CN 107706505A CN 201711106945 A CN201711106945 A CN 201711106945A CN 107706505 A CN107706505 A CN 107706505A
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- China
- Prior art keywords
- antenna
- unit
- positioning
- conductive plate
- antenna element
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Classifications
-
- 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
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
The present invention relates to a kind of mobile terminal and positioning antenna assembly, antenna assembly to include first antenna unit, the second antenna element, adjustment unit and circuit substrate；First antenna unit includes the first irradiation unit of matrix and winding on the surface of matrix；Circuit substrate includes the first conductive plate and the second conductive plate, and one end of the first conductive plate is connected with the first irradiation unit, the second conductive plate earthing；Second antenna element includes the second irradiation unit on the surface of circuit substrate, and a part for the second irradiation unit is parallel with the second conductive plate adjacent；And adjustment unit is used for reflecting antenna signal, the adjustment unit is located at the top of first antenna unit and the second antenna element and covers a part for first antenna unit and a part for the second antenna element simultaneously.Antenna element additionally receive by adjustment unit reflection come aerial signal, improve the sensitivity of antenna assembly；And strengthen signal reception under identical input power, improve antenna efficiency.
Description
Technical field
The present invention relates to wireless communication field, more particularly to a kind of positioning antenna assembly and mobile terminal.
Background technology
The development of mobile terminal device brings very big facility to actual life, continuous with mobile terminal user
Expand, the multiple functions beneficial to actual life, such as positioning function are also add in these mobile terminals.Main flow is adopted at present
Positioned with GPS (Global Positioning System, global positioning system), and be to realize positioning, need to set in mobile terminal
Put GPS location antenna assembly.But with Beidou satellite navigation system (BeiDou Navigation Satellite
System, BDS) and GLONASS satellite navigation system (GLONASS) development, GPS location is no longer the unique of mobile terminal
Selection, emerging mobile terminal tendency can support multiple positioning modes, further to improve positioning precision.
At present, it is usually traditional ceramics antenna to position antenna, and size is bigger, such as 25 × 25 × 4mm, by upper and lower two layers
Silver layer and middle ceramic substrate and feedback pin composition, it is difficult to set multiple positioning antennas a variety of fixed to support in same mobile terminal
Position mode.This is directed to, research staff is just directed to antenna assembly of the development with multiple antenna elements, it is supported simultaneously
A variety of positioning signals, so as to comply with the development of mobile terminal miniaturization.However, because this antenna assembly is in less space
There are multiple antenna elements simultaneously, so the radiant section of each antenna element is limited, it is possible to cause antenna efficiency to reduce, most
Locating effect is influenceed eventually.
The content of the invention
The technical problem to be solved in the present invention is, for antenna assembly because having multiple days simultaneously in less space
Line unit and be likely to cause the problem of antenna efficiency reduces, there is provided one kind positioning antenna assembly and mobile terminal.
The technical solution adopted for the present invention to solve the technical problems is：Provide a kind of positioning antenna assembly, including the
One antenna element, the second antenna element, adjustment unit and circuit substrate；
The first antenna unit includes the first irradiation unit of matrix and winding on the surface of described matrix；
The circuit substrate includes the first conductive plate and the second conductive plate, one end of first conductive plate and described first
Irradiation unit is connected, the second conductive plate earthing；
Second antenna element includes the second irradiation unit on the surface of the circuit substrate, second radiation
The part in portion and second conductive plate are parallel adjacent；And
The adjustment unit is used for reflecting antenna signal, and the adjustment unit is located at the first antenna unit and described second
The top of antenna element simultaneously covers a part for the first antenna unit and a part for second antenna element simultaneously.
Preferably, the ratio of the adjustment unit covering first antenna unit is described between 10% to 50%
Adjustment unit covers the ratio of second antenna element between 10% to 50%.
Preferably, the ratio that the adjustment unit covers the first antenna unit is 30%, the adjustment unit covering
The ratio of second antenna element is 30%.
Preferably, the surface angle between at least a portion of the adjustment unit and the circuit substrate arrives between 10 °
Between 45 °.
Preferably, the adjustment unit is included located at the top of the first antenna unit and second antenna element
Part I and the Part II between the first antenna unit and second antenna element.
Preferably, the first antenna unit also includes coupling part of the winding on the surface of described matrix, the coupling
Conjunction portion is spaced apart with first irradiation unit, and the coupling part is connected with second conductive plate.
Preferably, second irradiation unit includes at least one strip conductor.
Preferably, the positioning antenna assembly also includes third antenna unit, the third antenna unit including with it is described
The 3rd irradiation unit that second irradiation unit is spaced apart and is parallel to each other.
Present invention also offers a kind of mobile terminal, including the first signal processing module, the second positioning signal processing module,
And the positioning antenna assembly described in any of the above-described；The first antenna unit of the positioning antenna assembly and the described first positioning
Signal processing module is connected, the second antenna element of the positioning antenna assembly and the secondary signal processing module.
Implement the invention has the advantages that：In the mobile terminal of the present embodiment, while cover first antenna unit
A part and the adjustment unit of the second antenna element can be with the aerial signal (such as positioning signal) of reflection receivable so that first
Antenna element and the second antenna element can receive the aerial signal of this part reflection.Herein, because of first antenna unit and second day
Line unit can additionally receive by adjustment unit reflect come aerial signal, so as to improve the sensitive of antenna assembly
Degree；And strengthen signal reception in the case of identical input power, improve the antenna efficiency of antenna assembly.And
Under identical radiation condition, signal reception is enhanced by the reflection of adjustment unit, so as to realize same antenna work(
Injury of the aerial radiation to human body is correspondingly reduced on the basis of energy.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the block diagram of the mobile terminal of invention first embodiment；
Fig. 2 is the structural representation of the antenna assembly in Fig. 1；
Fig. 3 is the schematic diagram of the example metals plate body of the present invention；
Fig. 4 is the schematic diagram of the adjustment unit of invention second embodiment；
Fig. 5 is the partial schematic diagram of the antenna assembly of invention 3rd embodiment.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Referring to Fig. 1 and Fig. 2, the mobile terminal 1 according to first embodiment of the invention includes antenna assembly 10, at the first signal
Manage module 20 and secondary signal processing module 30.Wherein, antenna assembly 10 includes first antenna unit 11, the second antenna list
Member 12, adjustment unit 13 and the (not shown in figure 1) of circuit substrate 14；The first antenna unit 11 and first of antenna assembly 10
Signal processing module 20 is connected, and the second antenna element 12 of antenna assembly 10 is connected with secondary signal processing module 30, for anti-
The adjustment unit 13 of aerial signal is penetrated in the superjacent air space of the antenna element 12 of first antenna unit 11 and second, and is covered simultaneously
A part for a part for lid first antenna unit 11 and the second antenna element 12, and only cover one of first antenna unit 11
Point, only cover the part of the second antenna element 12, do not cover the whole of antenna element.
In the mobile terminal 1 of the present embodiment, while cover the part and the second antenna element 12 of first antenna unit 11
Adjustment unit 13 can be with the aerial signal (such as positioning signal) of reflection receivable so that the antenna of first antenna unit 11 and second
Unit 12 can receive the aerial signal of this part reflection.Herein, because the antenna element 12 of first antenna unit 11 and second can be with volume
The aerial signal to come is reflected in outer reception by adjustment unit 13, so as to improve the sensitivity of antenna assembly；And identical
Strengthen signal reception in the case of input power, improve the antenna efficiency of antenna assembly.And in identical radiation condition
Under, signal reception is enhanced by the reflection of adjustment unit 13, so as on the basis of same antenna function is realized
Correspondingly reduce injury of the aerial radiation to human body.
Specifically, mobile terminal 1 is the various electronic equipments with positioning function, such as mobile phone (including intelligent hand
Machine), plate PC, intelligent watch etc..First signal processing module 20 or secondary signal processing module 30 can handle GPS letters
Number, one kind in Big Dipper signal and GLONASS signal, one of ordinary skill in the art can be selected suitable prior art come it is real
Existing positioning signal processing.
Referring also to Fig. 2, first antenna unit 11 includes the first spoke of matrix 111 and winding on the surface of matrix 111
Penetrate portion 112.Matrix 111 can be made up of magnetodielectric, and magnetodielectric includes magnetic material, for example, iron oxide, chromium oxide,
Cobalt, ferrite etc..Matrix 111 is three-dimensional shape structure, and surface can have multiple faces, such as matrix 111 can be cuboid, table
Face has six faces：Upper surface, lower surface, four side surfaces.In practical application, one of ordinary skill in the art can be according to need
The resonant frequency and bandwidth wanted, select three-dimensional shape, dielectric constant and the magnetic conductivity of matrix 111.
First irradiation unit 112 is conductive strips, such as can be copper bar band, strip of steel, SUS bands or implementation
The above-mentioned metal band of plating processing.The thickness of conductive strips is as thin as possible, for example, below 1mm, preferably below 0.4mm.
Pattern topology of the selection of the width of first irradiation unit 112 with the size of matrix 111, the first irradiation unit 112 on matrix 111 has
Close, existing arbitrarily suitable suitable first irradiation unit 112 of the choice of technology can be used in one of ordinary skill in the art.
First irradiation unit 112 is closely covered on the surface of matrix 111 in a manner of winding, for example, can continuous winding it is more
Circle, in winding process, form irradiance gaps between the first adjacent irradiation unit 112, the length and width of the first irradiation unit 112,
Quantity and width with reference to irradiance gaps is different according to required resonant frequency.
In an embodiment of the present embodiment, first antenna unit 11 also includes table of the winding located at matrix 111
Coupling part (not shown) on face, coupling part are spaced apart with the first irradiation unit 112.Coupling part is located among irradiance gaps,
And with close to the first irradiation unit 112 maintain a certain distance, with ensure coupling part coupling flow into the first irradiation unit 112 in electricity
Stream can increase the frequency bandwidth of antenna.Coupling part can also be to use and the identical conductive strips material system of the first irradiation unit 112
Into.The length and width of coupling part is set according to required resonant frequency and bandwidth.
Circuit substrate 14 can be pcb board, and in the embodiment of the present embodiment, circuit substrate 14 can be with first
Antenna element 11 is spaced apart and is parallel to each other, and can partly overlap between the two, i.e., first antenna unit 11 is located at circuit substrate
14 top simultaneously covers a part of circuit substrate 14, or both between can also be completely not overlapping.Circuit substrate 14 includes first
The conductive plate 142 of conductive plate 141 and second, one end of the first conductive plate 141 are connected with the first irradiation unit 112, the second conductive plate 142
Ground connection；If first antenna unit 11 includes coupling part, coupling part is connected with the second conductive plate 142.First conductive plate 141 and
Two conductive plates 142 are metallic conduction plate, are covered on the surface of circuit substrate 14, can use existing conventional conductive material system
Standby conductive plate.
Second antenna element 12 includes the second irradiation unit 121 on the surface of circuit substrate 14, in a specific implementation
In mode, the second irradiation unit 121 includes at least one strip conductor, can use and is made with the identical material of the first irradiation unit 112
Second irradiation unit 121.A part (such as extension 122 in figure) for second irradiation unit 121 is parallel with the second conductive plate 142
It is adjacent, have the second irradiation unit 121 of the extension 122 adjacent with the second conductive plate 142 and keep spacing distance, so as to produce
Raw coupling, plays a part of unipole antenna.
Second antenna element 12 of the antenna assembly 10 of the present invention saves space in circuit substrate 14；And first
Antenna element 11 associates with the second antenna element 12 each other by circuit substrate 14, i.e., forms unipole antenna by closing on coupling,
The antenna assembly independent compared to two, antenna assembly 10 of the invention save sky while realizing and supporting two kinds of signals
Between.
Adjustment unit 13 includes metal plate, and the metal plate can be with reflected electromagnetic signal, such as can reflect positioning day
Line signal, one of ordinary skill in the art, which can be selected, is suitably capable of the sheet metal of reflected electromagnetic signal the adjustment is made
Unit 13, it can such as use copper sheet.The adjustment unit 13 is located at the top, simultaneously of the antenna element 12 of first antenna unit 11 and second
A part for first antenna unit 11 and a part for the second antenna element 12 are covered simultaneously, adjustment unit 13 does not cover antenna
Whole radiation areas of unit, therefore the signal shielding of antenna element can be ignored substantially.
For example, the ratio of adjustment unit covering first antenna unit is between 10% to 50%, adjustment unit covering the
The ratio of two antenna elements is between 10% to 50%.Generally, coverage rate is too low will be unable to realize effective signal reflex, or
Person say be reflection signal it is limited, it is impossible to bring about tangible results, usual coverage rate reach 10% can reach it is obvious
The effect of reflecting antenna signal.At the same time, if coverage rate is too high, the shielding of radiation areas can be caused, reduces spoke on the contrary
Effect is penetrated, therefore coverage rate is usually no more than 50%.Generally, coverage rate is 30% preferable, in screen effect and reflection
Reach preferable balance between efficiency.
The orientation of the opposing circuit substrate 14 of adjustment unit 13 be provided with it is a variety of, for example, in an embodiment, circuit
Substrate 14 is spaced apart and is parallel to each other with first antenna unit 11, adjustment unit 13 be located at first antenna unit 11 top and between
Separate, the surface angle between adjustment unit 13 and circuit substrate 14 is more than zero both (i.e. not parallel), such as can be for
10 °, but no more than 45 °, with 30 ° preferably, to ensure that aerial signal effectively can reflex to antenna element from adjustment unit 13.
Specifically, it can be seen from mirror-reflection principle, when adjustment unit 13 and no longer parallel circuit substrate 14, reflection normal is no longer
Perpendicular to circuit substrate 14 (being no longer normal to first antenna unit 11), the subtended angle between incoming signal and reflected signal is relative
Increase, reflected signal reaches the region increase of first antenna unit 11, so as to effectively increase reflection efficiency, can ensure it is identical
Coverage rate is reduced while reflection efficiency, so as to weaken screen effect.Certainly, the angle is not to be the bigger the better, if more than one
Determine scope, such as 45 °, then a range of reflected signal may be caused can not to reach antenna element, weaken reflection effect on the contrary
Rate.
But this is not limited only to, it can also be set by adjusting the relative bearing of adjustment unit to adjust the radiation of antenna element
Direction, specifically can be for example, still can be realized by adjusting the surface angle between adjustment unit 13 and circuit substrate 14
Adjusted in 10 ° to 45 ° of angular range, on the basis of reaching balance between reflection efficiency and screen effect, further
So that reflected signal is overlapped mutually with incoming signal, Signal averaging effect is most strong if coherent interference occurs when superposition, so as to real
Now radiate in a desired direction most by force, so as to improve the directionality of antenna assembly.Specific regulation angle and actual use
Antenna structure is relevant, and one of ordinary skill in the art can be according to the orientation for being actually needed reasonable adjusting adjustment unit, to reach
Required directionality.
Ensuring that the signal shielding to antenna element can be ignored substantially while and can realizes reflecting antenna signal to antenna
On the basis of unit, the metal plate of adjustment unit 13 can also be other arbitrarily suitable shapes.For example, metal plate can
Think T-shaped, vertical bar shaped, the T-shaped or serpentine of end bending；Metal plate can also have hollow out decorative pattern.Referring to Fig. 3,
It illustrates the adjustment unit 13a that one has T-shaped metal plate.At present, common antenna element is usually bar on the market
Shape structure, it is single strip conductor that adjustment unit 13 can be set for this, or the combination of strip conductor, to facilitate reflection
Aerial signal.
Referring to Fig. 4, in the second embodiment of the present invention, adjustment unit 13b includes multiple sinuous T-shaped conductors, from
And avoid shielding the aerial signal of first antenna unit 11 and the second antenna element 12.And after adjustment unit 13b is by bending,
A part is parallel with circuit substrate 14, and another part is vertical with circuit substrate 14, is effectively utilized space.Further, adjust
Part 131 vertical with circuit substrate 14 unit 13b is located at the top of the antenna element 12 of first antenna unit 11 and second, can be real
Existing reflecting antenna signal receives for two antenna elements.Part 132 parallel with circuit substrate 14 adjustment unit 13b is located at first
It is spaced respectively in space between the antenna element 12 of antenna element 11 and second and with circuit substrate 14 and first antenna unit 11
Open.Adjustment unit 13b this part 132 weakens the interference between the antenna element 12 of first antenna unit 11 and second, so as to
The isolation between the antenna element 12 of first antenna unit 11 and second can be improved, to improve antenna precision.In addition, originally
The antenna assembly of embodiment is identical or approximate with the structure of the antenna assembly in first embodiment, can quote it is above-mentioned on identical or
The elaboration of approximate technical characteristic, here is omitted.
Referring to Fig. 5, compared with first embodiment, the antenna assembly according to third embodiment of the invention also includes third antenna
Unit, third antenna unit include the 3rd irradiation unit 151 for being spaced apart and being parallel to each other with the second irradiation unit 121.3rd radiation
Portion 151 is connected with corresponding signal processing module, so as to realize the antenna assembly while support three kinds of signals.Because of the second irradiation unit
121 and the 3rd irradiation unit 151 in the circuit substrate, that is, be generally aligned in the same plane in, interference between the two can be neglected substantially.
Now, the aerial signal that adjustment unit 13 reflects equally also is available for the 3rd irradiation unit 151 and received.Similarly, antenna of the invention
In device, multiple antenna elements, such as the 4th or the 5th antenna element can be set, and here is omitted in circuit substrate.
It should be understood that above example only expresses the preferred embodiment of the present invention, it describes more specific and detailed
Carefully, but the limitation to the scope of the claims of the present invention therefore can not be interpreted as；It should be pointed out that the common skill for this area
For art personnel, without departing from the inventive concept of the premise, independent assortment can be carried out to above-mentioned technical characterstic, can also done
Go out several modifications and improvements, these belong to protection scope of the present invention；Therefore, it is all to be done with scope of the invention as claimed
Equivalents and modification, the covering scope of the claims in the present invention all should be belonged to.
Claims (10)
1. one kind positioning antenna assembly, it is characterised in that including first antenna unit, the second antenna element, adjustment unit and
Circuit substrate；
The first antenna unit includes the first irradiation unit of matrix and winding on the surface of described matrix；
The circuit substrate includes the first conductive plate and the second conductive plate, one end of first conductive plate and the described first radiation
Portion is connected, the second conductive plate earthing；
Second antenna element includes the second irradiation unit on the surface of the circuit substrate, second irradiation unit
It is a part of parallel adjacent with second conductive plate；And
The adjustment unit is used for reflecting antenna signal, and the adjustment unit is located at the first antenna unit and second antenna
The top of unit simultaneously covers a part for the first antenna unit and a part for second antenna element simultaneously.
2. positioning antenna assembly according to claim 1, it is characterised in that the adjustment unit covers the first antenna
Between 10% to 50%, the ratio that the adjustment unit covers second antenna element arrives the ratio of unit between 10%
Between 50%.
3. positioning antenna assembly according to claim 1, it is characterised in that the adjustment unit covers the first antenna
The ratio of unit is 30%, and the ratio that the adjustment unit covers second antenna element is 30%.
4. positioning antenna assembly according to claim 1, it is characterised in that at least a portion of the adjustment unit and institute
The surface angle between circuit substrate is stated between 10 ° to 45 °.
5. positioning antenna assembly according to claim 1, it is characterised in that the adjustment unit includes being located at described first
The Part I of the top of antenna element and second antenna element and located at the first antenna unit and described second
Part II between antenna element.
6. positioning antenna assembly according to claim 1, it is characterised in that a part for second irradiation unit with it is described
Second conductive plate adjacent coupled.
7. positioning antenna assembly according to claim 1, it is characterised in that the first antenna unit is also set including winding
Coupling part on the surface of described matrix, the coupling part are spaced apart with first irradiation unit, and the coupling part and institute
The second conductive plate is stated to be connected.
8. positioning antenna assembly according to claim 1, it is characterised in that second irradiation unit includes at least one
Shape conductor.
9. positioning antenna assembly according to claim 1, it is characterised in that the positioning antenna assembly also includes the 3rd day
Line unit, the third antenna unit include the 3rd irradiation unit for being spaced apart and being parallel to each other with second irradiation unit.
A kind of 10. mobile terminal, it is characterised in that including the first signal processing module, the second positioning signal processing module and
Positioning antenna assembly described in claim any one of 1-9；The first antenna unit and described first of the positioning antenna assembly
Positioning signal processing module is connected, the second antenna element of the positioning antenna assembly and the secondary signal processing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711106945.1A CN107706505A (en) | 2017-11-10 | 2017-11-10 | Position antenna assembly and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711106945.1A CN107706505A (en) | 2017-11-10 | 2017-11-10 | Position antenna assembly and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107706505A true CN107706505A (en) | 2018-02-16 |
Family
ID=61178529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711106945.1A Pending CN107706505A (en) | 2017-11-10 | 2017-11-10 | Position antenna assembly and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107706505A (en) |
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| CN1278959A (en) * | 1997-09-15 | 2001-01-03 | 艾利森公司 | Dual-band helix antenna with parasitic element |
| CN1913224A (en) * | 2005-08-09 | 2007-02-14 | 技嘉科技股份有限公司 | Circuit board antenna |
| CN101055939A (en) * | 2006-04-10 | 2007-10-17 | 日立金属株式会社 | Antenna device and wireless communication apparatus using same |
| CN102881993A (en) * | 2012-07-13 | 2013-01-16 | 电子科技大学 | Portable DNA simulation reconfigurable antenna |
| CN103378420A (en) * | 2012-04-28 | 2013-10-30 | 国基电子（上海）有限公司 | Antenna system |
| CN103403963A (en) * | 2011-01-25 | 2013-11-20 | 脉冲芬兰有限公司 | Multi-resonance antenna, antenna module and radio device |
| CN103887606A (en) * | 2012-12-20 | 2014-06-25 | 联想(北京)有限公司 | Antenna device and method for making antenna device |
-
2017
- 2017-11-10 CN CN201711106945.1A patent/CN107706505A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1278959A (en) * | 1997-09-15 | 2001-01-03 | 艾利森公司 | Dual-band helix antenna with parasitic element |
| CN1913224A (en) * | 2005-08-09 | 2007-02-14 | 技嘉科技股份有限公司 | Circuit board antenna |
| CN101055939A (en) * | 2006-04-10 | 2007-10-17 | 日立金属株式会社 | Antenna device and wireless communication apparatus using same |
| CN103403963A (en) * | 2011-01-25 | 2013-11-20 | 脉冲芬兰有限公司 | Multi-resonance antenna, antenna module and radio device |
| CN103378420A (en) * | 2012-04-28 | 2013-10-30 | 国基电子（上海）有限公司 | Antenna system |
| CN102881993A (en) * | 2012-07-13 | 2013-01-16 | 电子科技大学 | Portable DNA simulation reconfigurable antenna |
| CN103887606A (en) * | 2012-12-20 | 2014-06-25 | 联想(北京)有限公司 | Antenna device and method for making antenna device |
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Application publication date: 20180216 |
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