CN103779660B - Multifrequency antenna assembly and the portable electron device with the multifrequency antenna assembly - Google Patents
Multifrequency antenna assembly and the portable electron device with the multifrequency antenna assembly Download PDFInfo
- Publication number
- CN103779660B CN103779660B CN201210405212.9A CN201210405212A CN103779660B CN 103779660 B CN103779660 B CN 103779660B CN 201210405212 A CN201210405212 A CN 201210405212A CN 103779660 B CN103779660 B CN 103779660B
- Authority
- CN
- China
- Prior art keywords
- radiation arm
- antenna assembly
- irradiation unit
- multifrequency antenna
- metalwork
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Support Of Aerials (AREA)
- Waveguide Aerials (AREA)
Abstract
A kind of multifrequency antenna assembly, including irradiation unit, grounding parts, metalwork and resonance part, slit is offered on the metalwork, the irradiation unit and grounding parts are set with the metal pieces into contact and the neighbouring slit, the resonance part is arranged in the space surrounded jointly by the irradiation unit, grounding parts and metalwork, resonance is produced and the resonance part is arranged at intervals with the irradiation unit and is in contact with the metalwork, between the resonance part, irradiation unit and metalwork so that multifrequency antenna assembly works in multiple frequency ranges.The invention further relates to a kind of portable electron device with the multifrequency antenna assembly.
Description
Technical field
The present invention relates to a kind of antenna, more particularly to a kind of multifrequency antenna assembly and portable with the multifrequency antenna assembly
Formula electronic installation.
Background technology
In radio communication devices such as mobile phone, personal digital assistants (personal digital assistant, PDA)
In, antenna is undoubtedly most important in radio communication device as to by the part of radio wave radio signals
One of component.
In order to meet the needs of user, current most of radio communication devices have possessed to enter in two or more frequency ranges
The function of row communication.Therefore, it is necessary to using multifrequency antenna.However, the existing multifrequency antenna one applied to radio communication device
As because structure it is relatively simple, can not only meet the signal transmitting and receiving demand of multiple frequency ranges simultaneously with this body structure, therefore typically wireless
Switching switch is set up in communicator, the switching circuit of the electronic component such as variable capacitance adjusts the resonant frequency of antenna, with up to
To the purpose of broadband connections.Obviously, complicatedization and cost of manufacture for so necessarily causing radio communication device increase.
The content of the invention
In view of the above-mentioned problems, being necessary to provide, a kind of communication band is broad and lower-cost multifrequency antenna.
A kind of portable electron device with the multifrequency antenna assembly is provided in addition, there is a need to.
A kind of multifrequency antenna assembly, including irradiation unit, grounding parts, metalwork and resonance part, offer on the metalwork
Slit, the irradiation unit and grounding parts are set with the metal pieces into contact and the neighbouring slit, and the resonance part is arranged at
In the space surrounded jointly by the irradiation unit, grounding parts and metalwork, and the resonance part is arranged at intervals with the irradiation unit
And be in contact with the metalwork, resonance is produced between the resonance part, irradiation unit and metalwork so that multifrequency antenna group
Part works in multiple frequency ranges.
A kind of portable electron device, including metal shell and multifrequency antenna assembly, the multifrequency antenna assembly include spoke
Penetrate portion, grounding parts, resonance part, offer slit on the metal shell, the irradiation unit and grounding parts with the metal-back
Body contact and neighbouring slit setting, the resonance part is arranged at is enclosed jointly by the irradiation unit, grounding parts and metal shell
Into space in, and the resonance part is arranged at intervals with the irradiation unit and is in contact with the metal shell, the resonance part,
Resonance is produced between irradiation unit and metal shell so that multifrequency antenna assembly works in multiple frequency ranges.
The multifrequency antenna assembly is arranged between irradiation unit and metalwork by the resonance part, and with metalwork phase
Contact, reach the working characteristics of multiband so as to produce resonance with metalwork, irradiation unit, and can effectively widen frequency range.Institute
The switching circuit for including the electronic building bricks such as switching switch, variable capacitance need not be set by stating multifrequency antenna assembly utilization, be applied to
Be advantageous to simplify the structure of radio communication device during radio communication device, effectively reduce cost of manufacture.
Brief description of the drawings
Fig. 1 is the three-dimensional assembly diagram of the multifrequency antenna assembly of first embodiment of the invention.
Fig. 2 is the optical cable under another visual angle of multifrequency antenna assembly shown in Fig. 1.
Fig. 3 is the return loss plot of multifrequency antenna assembly shown in Fig. 1.
Fig. 4 is the plan of the irradiation unit of multifrequency antenna assembly, resonance part and grounding parts shown in Fig. 1.
Fig. 5 is the three-dimensional assembly diagram of the multifrequency antenna assembly of second embodiment of the invention.
Fig. 6 is the return loss plot of multifrequency antenna assembly shown in Fig. 5.
Fig. 7 is the plan of the irradiation unit of multifrequency antenna assembly, resonance part and grounding parts shown in Fig. 5.
Main element symbol description
| Multifrequency antenna assembly | 100、200 |
| Irradiation unit | 10、210 |
| First radiation arm | 11、211 |
| Second radiation arm | 13、213 |
| 3rd radiation arm | 15、215 |
| Adjutage | 217 |
| Grounding parts | 20、220 |
| Main paragraph | 21 |
| Extension | 23 |
| Metalwork | 30、230 |
| Side wall | 31 |
| Side | 311 |
| End face | 313 |
| Slit | 33、233 |
| First groove portion | 331、2331 |
| Second groove portion | 333 |
| Resonance part | 40、240 |
| 4th radiation arm | 41 |
| 5th radiation arm | 43、243 |
| Insulating part | 60、260 |
Following embodiment will combine above-mentioned accompanying drawing and further illustrate the present invention.
Embodiment
The multifrequency antenna assembly of better embodiment of the present invention is applied in portable electron device, in multiple frequency ranges
Transceiving electromagnetic ripple signal.
Fig. 1 and Fig. 2 is referred to, the multifrequency antenna assembly 100 of first embodiment of the invention can be in 2.4G- bluetooths
（Bluetooth）Worked under/WiFi and 5G-WiFi frequency ranges.Multifrequency antenna assembly 100 includes irradiation unit 10, grounding parts 20, gold
Belong to part 30 and resonance part 40.Irradiation unit 10, grounding parts 20 and resonance part 40 may be contained within same plane, and be formed at one
Antenna carrier（It is not shown）On.
Irradiation unit 10 is substantially in " ㄩ " shape plates, and it includes the first radiation arm 11 and distinguished by the both ends of the first radiation arm 11
The vertically extending radiation arm 15 of second radiation arm 13 and the 3rd.Second radiation arm 13 and the 3rd radiation arm 15 extend the first radiation
The same side of arm 11, and the length of the second radiation arm 13 is more than the length of the 3rd radiation arm 15.The end of second radiation arm 13 with
The metalwork 30 is in contact.The end of 3rd radiation arm 15 is provided with distributing point（Figure is not marked）, the distributing point passes through feed-in line
（It is not shown）It is electrically connected to a circuit board being arranged inside portable electron device（It is not shown）, for realizing multifrequency antenna
Signal transmission between component 100 and the circuit board.
Grounding parts 20 are arranged at opposite side of the 3rd radiation arm 15 relative to the second radiation arm 13, and the side of grounding parts 20
Contiguous metal part 30 is set, so as to be electrically connected to metalwork 30.20 L-shaped plates of grounding parts, it includes main paragraph 21
And by the vertically extending extension 23 in the one end of main paragraph 21.Main paragraph 21 parallel to irradiation unit 10 the second radiation arm 13, it is and main
The both ends of body section 21 are concordant with the both ends of the second radiation arm 13.The end of extension 23 extends to the radiation arm of metalwork 30 and the 3rd
Between 15.Grounding parts 20 are electrically connected to the grounded part of the circuit board, for realizing the ground connection of multifrequency antenna assembly 100.
Metalwork 30 includes side wall 31 and the slit 33 being opened in side wall 31（As shown in Figure 2）.Slit 33 is L-shaped
Groove, it includes the first groove portion 331 being mutually communicated and the second groove portion 333.First groove portion 331 is perpendicular to the second groove portion 333.First
The bearing of trend of groove portion 331 is parallel to the place plane of irradiation unit 10；Second groove portion 333 extends perpendicularly to the institute of irradiation unit 10
In plane.In the present embodiment, side wall 31 includes two sides 311 being oppositely arranged and the end face for connecting two sides 311
313.First groove portion 331 penetrates two sides 311, and the direction extended along end face 313 extends；Second groove portion 333 insertion two
Individual side 311 and end face 313.Second radiation arm 13 of irradiation unit 10 abuts the second groove portion 333 and set, and is located at the first groove portion
Between 331 and end face 313, so that irradiation unit 10 is electrically connected to metalwork 30.Irradiation unit 10, the groove of grounding parts 20 and first
Portion 331 is located at the same side of the second groove portion 333.In the present embodiment, the first groove portion 331 length (including with the second groove portion
333 common parts) with the length of the first radiation arm 11 (including the portion common with the second radiation arm 13 and the 3rd radiation arm 15
Point) equal.
40 L-shaped plates of resonance part, it is arranged at the space surrounded by irradiation unit 10, grounding parts 20 and metalwork 30
It is interior, and be arranged at intervals with irradiation unit 10.Specifically, resonance part 40 includes the 4th radiation arm 41 and the 5th spoke being mutually connected vertically
Penetrate arm 43.4th radiation arm 41 is shorter than the first radiation arm 11, and parallel to the first radiation arm 11；5th radiation arm 43 is shorter than second
Radiation arm 13, and parallel to the second radiation arm 13, and the end of the 5th radiation arm 43 is in contact with metalwork 30, so that altogether
The portion 40 that shakes is electrically connected with metalwork 30.
In this way, irradiation unit 10, grounding parts 20 and with slit 33 metalwork 30 between form primary Ioops type（Loop）My god
Line, and resonance part 40 is arranged between irradiation unit 10 and slit 33, and being in contact with metalwork 30, so as to metalwork 30, spoke
Penetrate portion 10 and collectively form a L-type loop（L-Loop）Antenna, so as to which resonance is to reach the working characteristics of multiband.
In the present embodiment, metalwork 30 is the housing of portable electron device, e.g., the inner casing of portable electron device
Or shell.
In the present embodiment, multifrequency antenna assembly 100 also includes insulating part 60.The shape and size of insulating part 60 with it is narrow
The shape and size of groove 33 are suitable.Insulating part 60 is embedded in slit 33, the integrality of the outward appearance of so achievable metalwork 30.
Especially when metalwork 30 is the shell of portable electron device, the aesthetic property of portable electron device outward appearance can be lifted.Absolutely
Edge part 60 can be made up of plastic material.
When multifrequency antenna assembly 100 works, can be obtained at the slit 33 of irradiation unit 10, resonance part 40 and metalwork 30
The current propagation path of different length, and produce different current signals so that the multifrequency antenna assembly 100 can 2400MHz with
And 5200MHz produces corresponding resonance mode, so as to be worked under 2.4G-Bluetooth/WiFi and 5G-WiFi frequency ranges,
And wider frequency range can be obtained.
Referring to Fig. 3, it show the return loss of present embodiment multifrequency antenna assembly 100（return loss, RL）
Simulation result schematic diagram.As can be seen from Figure, the multifrequency antenna is under 2400MHz and 5200MHz working frequency range
Meet Antenna Operation design requirement.
Referring to Fig. 4, setting the length of the first groove portion 331 as Ls1, the width of the first groove portion 331 is Ws1, irradiation unit 10
Total length is Lp1 (i.e. the outside edge lengths Lp11 of the second radiation arm 13, the outside edge lengths Lp12 of the first radiation arm 11 and the
The outside edge lengths Lp13 three sum of three radiation arms 15), the second radiation arm 13 and the 5th spoke of resonance part 40 of irradiation unit 10
The vertical range penetrated between arm 43 is Wp1, and the total length of resonance part 40 is Li1（That is the outside edge lengths of the 5th radiation arm 43
Li11 and the 4th radiation arm 41 outside edge lengths Li12 sums of the two）, then by adjusting above-mentioned each parameter, can accordingly adjust
Radiation efficiency and return loss of the multifrequency antenna assembly 100 under different frequency range, so as to obtain optimal radiation efficiency and frequency range,
And multifrequency antenna can be made to work in different frequency ranges.In the present embodiment, as Ls1=18mm, Ws1=1mm, Wp1=2mm, Lp1=
During 27mm and Li1=13mm, preferable radiation efficiency can be obtained in 2400MHz and 5200MHz band limits.Now, specifically
The value of return loss, radiation efficiency and total efficiency of transmission etc. please join table 1.
Table 1
Referring to Fig. 5, the multifrequency antenna assembly 200 of second embodiment of the invention is with similar to first embodiment
Structure, i.e. multifrequency antenna assembly 200 includes irradiation unit 210, grounding parts 220, metalwork 230, resonance part 240 and insulating part
260.The difference of multifrequency antenna assembly 200 and multifrequency antenna assembly 100 is：The irradiation unit 210 of multifrequency antenna assembly 200
Also include an adjutage 217, adjutage 217 extended vertically by the one end of the 3rd radiation arm 215 away from the first radiation arm 211 and
Into, and the radiation arm 211 of adjutage 217 and first is located at the opposite sides of the 3rd radiation arm 215 respectively, so as to which three's formation one is big
Cause " Z " word shape.The end of adjutage 217 passes through feed-in line（It is not shown）Circuit board is electrically connected to, for realizing multifrequency day
Signal transmission between line component 100 and the circuit board.220 rectangular plates of grounding parts, it is located at adjutage 217 and deviated from
The side of 3rd radiation arm 215, and the end of neighbouring adjutage 217 is set.Grounding parts 220 parallel to the 3rd radiation arm 215, and
One end of grounding parts 220 is in contact with metalwork 230.
Referring to Fig. 6, it show the return loss of present embodiment multifrequency antenna assembly 200（return loss, RL）
Simulation result schematic diagram.As can be seen from Figure, the multifrequency antenna is in 1575MHz（GPS）And 5200MHz (WiFi) work
Antenna Operation design requirement can be met under frequency range.
Referring to Fig. 7, set the length of the first groove portion 2331 as Ls2, the width of the first groove portion 2331 is Ws2, irradiation unit 210
Total length for Lp2 (i.e. the outside edge lengths Lp21 of the second radiation arm 213, the outside edge lengths Lp22 of the first radiation arm 211,
The outside edge lengths Lp23 of 3rd radiation arm 215 and the outside edge lengths Lp24 sums of adjutage 217), irradiation unit 210
The second radiation arm 213 and resonance part 240 the 5th radiation arm 243 between vertical range be Wp2, the overall length of resonance part 240
Spend for Li2（That is both outside edge lengths Li21 of the 5th radiation arm 243 and outside edge lengths Li22 of the 4th radiation arm 241 it
With）.In the present embodiment, can be as Ls2=32mm, Ws2=1mm, Wp2=5mm, Lp2=37mm and Li2=14mm
157500MHz and 5200MHz band limits obtains preferable radiation efficiency.Now, specific return loss, radiation efficiency with
And the value of total efficiency of transmission etc. please join table 2.
Table 2
Described multifrequency antenna assembly 100/200 is by the irradiation unit 10/210, grounding parts 20/220 and has slit
Primary Ioops type is formed between 33/233 metalwork 30/230（Loop）Antenna, and resonance part 40/240 is arranged at irradiation unit 10/
Between 210 and slit 33/233, and it is in contact with metalwork 30/230, so as to common with metalwork 30/230, irradiation unit 10/210
With one L-type loop of composition（L-Loop）Antenna, so as to reach the working characteristics of multiband, and it can effectively widen frequency range.It is described
The utilization of multifrequency antenna assembly 100/200 need not set the switching circuit for including the electronic building bricks such as switching switch, variable capacitance, should
For being advantageous to simplify the structure of radio communication device during radio communication device, cost of manufacture is effectively reduced.In addition, the multifrequency
Antenna module 100/200 directly uses the metalwork of portable electron device, such as the metal shell conduct of portable electron device
A part for antenna is common to participate in resonance, can obviously reduce other hardwares around and multifrequency antenna assembly 100/200 is radiated
The influence of efficiency.
Claims (10)
1. a kind of multifrequency antenna assembly, including irradiation unit and grounding parts, it is characterised in that：The multifrequency antenna assembly also includes gold
Belonging to part and resonance part, slit is offered on the metalwork, the irradiation unit and grounding parts may be contained within inside the metalwork,
And set with the metal pieces into contact and the neighbouring slit, the irradiation unit includes the first radiation arm and radiated by described first
The both ends of arm are respectively perpendicular the second radiation arm and the 3rd radiation arm of extension, the resonance part be arranged at by the irradiation unit,
In the space that grounding parts and metalwork surround jointly, and the resonance part and the irradiation unit be arranged at intervals and with the metalwork
It is in contact, the resonance part includes the 4th radiation arm and the 5th radiation arm being mutually connected vertically, and the 4th radiation arm is parallel
In first radiation arm, the 5th radiation arm parallel to the second radiation arm, the resonance part, irradiation unit and metalwork it
Between produce resonance so that multifrequency antenna assembly works in multiple frequency ranges.
2. multifrequency antenna assembly as claimed in claim 1, it is characterised in that：The irradiation unit, resonance part and ground connection position
In same plane.
3. multifrequency antenna assembly as claimed in claim 1, it is characterised in that：The end of second radiation arm and the metal
Part contacts, and the end of the 3rd radiation arm sets distributing point.
4. multifrequency antenna assembly as claimed in claim 1, it is characterised in that：Second radiation arm and the 3rd radiation arm are located at
The same side of first radiation arm, the 3rd radiation arm are arranged at intervals with the metalwork, and one end of the grounding parts is set
It is placed between end and the metalwork of the 3rd radiation arm.
5. multifrequency antenna assembly as claimed in claim 1, it is characterised in that：The irradiation unit is also included by the described 3rd radiation
The adjutage of end vertical extension of the arm away from the first radiation arm, the adjutage and the first radiation arm are located at the described 3rd respectively
The opposite sides of radiation arm；The end of second radiation arm and the metal pieces into contact, the end of the adjutage set feedback
Electric point.
6. the multifrequency antenna assembly as described in claim 3 or 5, it is characterised in that：The slit includes first be mutually communicated
Groove portion and the second groove portion, the bearing of trend of first groove portion parallel to plane where the irradiation unit, second groove portion
Plane where extending perpendicularly to the irradiation unit, the irradiation unit, grounding parts and the first groove portion are located at second groove portion
The same side.
7. multifrequency antenna assembly as claimed in claim 6, it is characterised in that：The metalwork includes side wall, and the slit is opened
In the side wall, the side wall includes two sides being oppositely arranged and connects the end face of two sides, and described first
Groove portion penetrates two sides, and extends along the direction of end face extension；Second groove portion penetrates two sides
Face and the end face.
8. multifrequency antenna assembly as claimed in claim 1, it is characterised in that：The multifrequency antenna assembly also includes insulating part,
The shape and size of the insulating part are suitable with the slit, and the insulating part is embedded in the slit.
9. multifrequency antenna assembly as claimed in claim 1, it is characterised in that：The metalwork is a portable electron device
Housing.
10. a kind of portable electron device, including metal shell and multifrequency antenna assembly, the multifrequency antenna assembly includes radiation
Portion and grounding parts, it is characterised in that：The multifrequency antenna assembly also includes resonance part, and slit is offered on the metal shell,
The irradiation unit and grounding parts are arranged inside the metal shell, and the simultaneously neighbouring slit is contacted with the metal shell
Set, the irradiation unit includes the first radiation arm and the second radiation arm of extension is respectively perpendicular by the both ends of first radiation arm
And the 3rd radiation arm, the resonance part are arranged in the space surrounded jointly by the irradiation unit, grounding parts and metal shell,
And the resonance part is arranged at intervals with the irradiation unit and is in contact with the metal shell, the resonance part includes being mutually perpendicular to
The 4th radiation arm and the 5th radiation arm of connection, the 4th radiation arm is parallel to first radiation arm, the 5th radiation
Arm produces resonance so that multifrequency antenna group parallel to the second radiation arm between the resonance part, irradiation unit and metal shell
Part works in multiple frequency ranges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210405212.9A CN103779660B (en) | 2012-10-23 | 2012-10-23 | Multifrequency antenna assembly and the portable electron device with the multifrequency antenna assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210405212.9A CN103779660B (en) | 2012-10-23 | 2012-10-23 | Multifrequency antenna assembly and the portable electron device with the multifrequency antenna assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103779660A CN103779660A (en) | 2014-05-07 |
| CN103779660B true CN103779660B (en) | 2018-02-27 |
Family
ID=50571654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210405212.9A Expired - Fee Related CN103779660B (en) | 2012-10-23 | 2012-10-23 | Multifrequency antenna assembly and the portable electron device with the multifrequency antenna assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103779660B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017128918A1 (en) * | 2016-01-29 | 2017-08-03 | 努比亚技术有限公司 | Mobile terminal and communication processing method therefor |
| GB201718009D0 (en) * | 2017-10-31 | 2017-12-13 | Smart Antenna Tech Limited | Hybrid closed slot LTE antenna |
| TWI724360B (en) * | 2018-01-24 | 2021-04-11 | 仁寶電腦工業股份有限公司 | Antenna apparatus, electronic apparatus and antenna modification method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101431181A (en) * | 2007-11-09 | 2009-05-13 | 富士康(昆山)电脑接插件有限公司 | Multi-frequency antenna |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9172139B2 (en) * | 2009-12-03 | 2015-10-27 | Apple Inc. | Bezel gap antennas |
-
2012
- 2012-10-23 CN CN201210405212.9A patent/CN103779660B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101431181A (en) * | 2007-11-09 | 2009-05-13 | 富士康(昆山)电脑接插件有限公司 | Multi-frequency antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103779660A (en) | 2014-05-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI557995B (en) | Multiband antenna and portable electronic device having same | |
| CN102025027B (en) | Double-circuit antenna and multi-frequency multi-antenna module | |
| KR100941648B1 (en) | Antenna element and wide band antenna apparatus | |
| CN107004951B (en) | Antenna system | |
| JP5482171B2 (en) | ANTENNA DEVICE AND WIRELESS TERMINAL DEVICE | |
| JP2014150526A (en) | Antenna assembly and communication device comprising the same | |
| CN104577304B (en) | Antenna structure and wireless communication device with the antenna structure | |
| KR102003525B1 (en) | Foldable dipole antennas, wireless communication modules and methods of configuring them | |
| JP2016105584A (en) | Antenna device, radio communication device and rader device | |
| CN114824749B (en) | Electronic equipment | |
| CN107925151B (en) | Wireless transceiver and base station | |
| TWI711221B (en) | Antenna structure | |
| CN103779660B (en) | Multifrequency antenna assembly and the portable electron device with the multifrequency antenna assembly | |
| CN104183912A (en) | Miniature double-frequency-band monopole antenna based on metamaterial unit | |
| JP5520753B2 (en) | Bipolar antenna | |
| TWI711219B (en) | Antenna system | |
| TWI657618B (en) | Ultra wide band antenna | |
| KR20120058408A (en) | Internal Antenna attached to Terminal Housing | |
| CN206834329U (en) | A kind of miniaturization Bluetooth antenna component applied to intelligent terminal | |
| TWI581497B (en) | Broadband antenna and portable electronic deive having same | |
| KR100640339B1 (en) | Wideband monopole antenna | |
| TWI784678B (en) | Mobile device supporting wideband operation | |
| TWI530019B (en) | Electronic device | |
| CN102469390B (en) | Loudspeaker device with antenna structure | |
| JP5535281B2 (en) | antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180227 Termination date: 20211023 |