CN102820523A - Multi-frequency antenna - Google Patents
Multi-frequency antenna Download PDFInfo
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- CN102820523A CN102820523A CN2011101505103A CN201110150510A CN102820523A CN 102820523 A CN102820523 A CN 102820523A CN 2011101505103 A CN2011101505103 A CN 2011101505103A CN 201110150510 A CN201110150510 A CN 201110150510A CN 102820523 A CN102820523 A CN 102820523A
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- 230000005855 radiation Effects 0.000 claims abstract description 78
- 230000008878 coupling Effects 0.000 claims abstract description 53
- 238000010168 coupling process Methods 0.000 claims abstract description 53
- 238000005859 coupling reaction Methods 0.000 claims abstract description 53
- 230000001808 coupling effect Effects 0.000 claims abstract description 6
- 230000002902 bimodal effect Effects 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 238000004891 communication Methods 0.000 abstract description 10
- 230000007774 longterm Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000010295 mobile communication Methods 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
A multi-frequency antenna. The multifrequency antenna is used for being electrically connected to the receiving and transmitting end of the radio frequency circuit by the feed unit, the multifrequency antenna comprises a grounding part, and the grounding part comprises an edge; the feed-in part is positioned outside the edge of the grounding part and is electrically connected with the feed unit to transmit radio-frequency signals; a first radiating arm, including a free end and a connection end, generating a first resonance mode; the second radiation arm comprises a free end part, a connecting end part and an extension arm part, and the second radiation arm generates a second resonance mode; and a first coupling element comprising a ground arm portion and a coupling arm portion, the coupling arm portion having a free end located to the right of the free end portion of the second radiating arm and adjacent to the feed portion and not overlapping longitudinally with the first radiating arm; when the multi-frequency antenna receives and sends signals, a coupling effect is generated between the extension arm part and the coupling arm part, so that the first coupling component generates a third resonance mode, and the three center frequencies of the first resonance mode, the second resonance mode and the third resonance mode are different. The invention makes the single-branch multi-frequency antenna suitable for various communication systems.
Description
Technical field
The present invention relates to a kind of antenna, particularly a kind of multifrequency antenna.
Background technology
Day by day open along with part wireless communication frequency band in recent years; Make more and more consumption electronic products all need have communication function; And almost every just had communication system of new generation to be pushed out at a distance from several years; So all need to contain simultaneously second generation mobile communication (Second Generation Wireless Telephone Technology older but still in using like intelligent mobile phone or portable computer; 2G) system or present 3G (Third Generation) Moblie (3rd Generation, 3G) system is even be follow-on Long Term Evolution (Long Term Evolution; LTE) application of system is so a kind ofly can contain multifrequency antenna that a plurality of frequency bands use for different system with regard to important with single antenna simultaneously.
Known a kind of method that solves the multiband operational requirements is exactly with the corresponding separately different system applies of a plurality of independently antennas; Be responsible for the transmitting-receiving of 2G system like an antenna; Another antenna then is responsible for the transmitting-receiving of 3G system; But along with the integration of communication system circuit and dwindling of consumption electronic products volume; The method that this kind contained the different system frequency band respectively with the antenna more than two has not met actual demand, so the design of antenna just must be towards the direction evolution that can operate in multiband with single.
Consult Fig. 1; Fig. 1 is U.S. bulletin patent No. US 7; 050,010 multifrequency antenna, this kind antenna are applicable to the dual frequency operation shown in loss (return loss) figure that returns like Fig. 2; Should form by a resonance mode near the resonance bands of 2.4GHz; Another high-frequency resonance mode near 5GHz is made up of two resonance modes, though this kind antenna can reach multi-band operation, so but near the frequency band of this 2.4GHz because only have single resonance mode limited bandwidth; So change frequency of operation if follow this kind design this antenna size of adjustment, then still difficult bandwidth (704～960MHz) demands that satisfy the system of these LTE band (LTE frequency band) 13/17 and GSM 850/900MHz simultaneously of this antenna under limited antenna height.
Consult Fig. 3; Fig. 3 is the Long Term Evolution antenna structure of TaiWan, China patent M391734 number; Though this kind antenna structure can be applicable to simultaneously and return the LTE band 13 shown in the loss figure, GSM (Global System for Mobile Communications (global system for mobile communications)), DCS (Digital Cellular System (Digital Cellular System)), PCS (Personal Communication System (PCS Personal Communications System)) and WCDMA systems such as (Wideband Code Division Multiple Access (WCDMA)) like Fig. 4; But one first coupling part 11, a unipole antenna 12 and all longitudinal overlaps each other of one the 3rd coupling part 13 of this antenna; Make that electromagnetic energy is coupled mutually to each other; So in case need to adjust when containing the resonance mode of 1710～2170MHz frequency band; Other resonance modes of containing 746～960MHz frequency band also can be affected in the lump and produce frequency deviation or impedance does not match, and then the complexity when increasing design.In addition, this kind multifrequency antenna design also need comprise an electric capacity 2, also can extra increase makes the program and the cost of this kind antenna.
Therefore, a kind of multifrequency antenna need be provided, to address the above problem.
Summary of the invention
Therefore, the object of the invention promptly need not the extra circuits assembly and is convenient to design providing a kind of, and can contain the multifrequency antenna of a plurality of communication system applications.
So multifrequency antenna of the present invention is applicable to the sending and receiving end that is connected in a radio circuit by a feed element, and comprise a grounding parts, a feeding portion, one first radiation arm, one second radiation arm and one first coupling assembly; This grounding parts comprises the edge of a horizontal expansion; This feeding portion be positioned at this grounding parts the edge the outside and be electrically connected on this feed element, and via the sending and receiving end transmitting radio frequency signal of this feed element and this radio circuit; This first radiation arm is positioned at the right side of this feeding portion and comprises that a free end and is electrically connected on the connection end of this feeding portion, and this first radiation arm is in order to produce one first resonance mode; This second radiation arm is positioned at the left side of this feeding portion; And comprise that a free end, is electrically connected on the connection end of this feeding portion; And a horizontal expansion and be electrically connected this free end and the extension arm of this connection end, this second radiation arm is in order to produce one second resonance mode; This first coupling assembly does not contact with this second radiation arm and this feeding portion; And comprise that one is positioned at the left side of this feeding portion and the ground connection arm of longitudinal extension outwardly from the edge of this grounding parts; And one from this ground connection arm towards this feeding portion horizontal expansion and with the coupling arm of the extension arm interval overlapping of this second radiation arm; And this coupling arm have one be positioned at the free end of this second radiation arm the right side, and contiguous this feeding portion and not with the free end of this first radiation arm longitudinal overlap; When this multifrequency antenna receiving and transmitting signal; Produce coupling effect between the extension arm of this second radiation arm and the coupling arm of this first coupling assembly; Make this first coupling assembly produce one the 3rd resonance mode, and three centre frequencies of this first resonance mode, this second resonance mode and the 3rd resonance mode are all inequality.
Effect of the present invention is promptly utilizing this first mode and this second mode to increase the bandwidth of this first frequency band, and the frequency band range that utilizes this first mode, second mode and the 3rd mode increase to contain makes that single multifrequency antenna is applicable plurality of communication systems.
Description of drawings
Fig. 1 is a kind of sketch map of known dual-band antenna;
Fig. 2 be this known dual-band antenna return loss figure;
Fig. 3 is a kind of sketch map of known Long Term Evolution antenna structure;
Fig. 4 be this known Long Term Evolution antenna structure return loss figure;
Fig. 5 is the sketch map of first kind of execution mode of multifrequency antenna first preferred embodiment of the present invention, explains that one first coupling assembly interval overlapping is in the top of one second radiation arm;
Fig. 6 is the voltage standing wave ratio figure of first kind of execution mode of this first preferred embodiment;
Fig. 7 is the sketch map of second kind of execution mode of this first preferred embodiment, explains that this first coupling assembly interval overlapping is in the below of this second radiation arm;
Fig. 8 is the sketch map of the third execution mode of this first preferred embodiment, explains that this first coupling assembly is positioned at identical vertical height with this second radiation arm;
Fig. 9 is the sketch map of the 4th kind of execution mode of this first preferred embodiment, explains that this second radiation arm also comprises a line of rabbet joint;
Figure 10 is the sketch map of multifrequency antenna second preferred embodiment of the present invention, explains that this multifrequency antenna also comprises one second coupling assembly;
Figure 11 is the sketch map of multifrequency antenna the 3rd preferred embodiment of the present invention, explains that this multifrequency antenna also comprises one the 3rd radiation arm than first preferred embodiment of Fig. 5;
Figure 12 is the voltage standing wave ratio figure of the 3rd preferred embodiment;
Figure 13 is the sketch map of the another kind of execution mode of the 3rd preferred embodiment, explains that the 3rd radiation arm extends from the free end of a feeding portion towards one first radiation arm;
Figure 14 is a sketch map of multifrequency antenna the 4th preferred embodiment of the present invention, explain this multifrequency antenna also comprise one be positioned at this feeding portion left side an adjustment arm; And
Figure 15 is the sketch map of the another kind of execution mode of the 4th preferred embodiment, explains that this adjustment arm is positioned at the right side of this feeding portion.
The primary clustering symbol description:
11 first coupling parts, 74 lines of rabbet joint
12 unipole antennas, 741 openings
13 second coupling parts, 8 first coupling assemblies
14 electric capacity, 81 ground connection arms
2 circuit boards, 82 coupling arms
3 grounding parts, 821 free ends
31 edges, 0 second coupling assembly
4 adjustment arms, 01 free end
41 terminal 02 connection ends
5 feeding portions, 9 coaxial cables
6 first radiation arms, 91 heart yearns
61 free ends, 92 screens
62 connection ends 10 the 3rd radiation arm
63 openings, 101 free ends
7 second radiation arms, 102 connection ends
71 free end X are horizontal
72 connection end Y are vertical
73 extend arm
Embodiment
About aforementioned and other technology contents, characteristics and effect of the present invention, in the detailed description of following cooperation, can clearly appear with reference to four preferred embodiments of accompanying drawing.
Before the present invention is described in detail, be noted that in following description similarly assembly is to represent with identical numbering.
Consult Fig. 5; First kind of execution mode of first preferred embodiment of multifrequency antenna of the present invention comprises a grounding parts 3, and is formed at feeding portion 5 on the circuit board 2, one first radiation arm 6, one second radiation arm 7, one first coupling assembly 8 and a feed element 9.
Present embodiment is to be example when being applied to like products such as notebook computers with the present invention; This feed element 9 can be a coaxial cable in this uses; This feed-in unit 9 is electrically connected this antenna and a circuit system (figure does not show), and the radiofrequency signal of this desire transmitting-receiving can be transmitted between this antenna, this coaxial cable 9 and this circuit system in regular turn.
This grounding parts 3 comprises an edge 31 along one horizontal (X) extension, this feeding portion 5 be positioned at this grounding parts 3 edge 31 the outside and be electrically connected on the heart yearn 91 of this coaxial cable 9, the metal screen layer 92 of this coaxial cable 9 then is electrically connected on this grounding parts 3.
This second radiation arm 7 is positioned at the left side of this feeding portion 5, and comprises that a free end 71, is electrically connected on the connection end 72 of this feeding portion 5, and a horizontal expansion and be electrically connected the extension arm 73 of this free end 71 and this connection end 72.
This first coupling assembly 8 does not contact with this second radiation arm 7 and this feeding portion 5; And comprise one be positioned at the left side of this feeding portion 5 and from the edge 31 of this grounding parts 3 towards the outer one perpendicular to this horizontal ground connection arm 81 of vertical (Y) extension of (X); And one from this ground connection arm 81 towards these feeding portion 5 horizontal expansions and with a coupling arm 82 of extension arm 73 interval overlappings of this second radiation arm 7; And this coupling arm 82 have one be positioned at the free end 71 of this second radiation arm 7 the right side, and contiguous this feeding portion 5 and not with the free end 821 of these first radiation arm, 6 longitudinal overlaps.
Consult Fig. 5 and Fig. 6, when this multifrequency antenna receiving and transmitting signal, this first radiation arm 6 is in order to produce one first resonance mode, and this second radiation arm 7 is in order to produce one second resonance mode; In addition, 82 of the extension arm 73 of this second radiation arm 7 and the coupling arms of this first coupling assembly 8 produce coupling effect, make this first coupling assembly 8 produce one the 3rd resonance mode.
This first resonance mode and the 3rd resonance mode constitute one can contain one first frequency band (704～960MHz; LTE band13/LTE band 17/GSM 850/GSM 900) bimodal; And this second resonance mode can contain another second frequency band (1710～2170MHz, DCS/PCS/WCDMA).
In addition, the voltage standing wave ratio that also can be demonstrate,proved in this first frequency band and this second frequency band range by Fig. 6 all is lower than 3, so the transmitting-receiving of the desire in the frequency band range mentioned above radiofrequency signal can transmit and receive really via this multifrequency antenna effectively.
Consult Fig. 7, Fig. 7 is second kind of execution mode of this first preferred embodiment, this coupling arm 82 also can interval overlapping in the below of the extension arm 73 of this second radiation arm 7.
Consult Fig. 8, Fig. 8 is the third execution mode of this first preferred embodiment, and this coupling arm 82 and the extension arm 73 of this second radiation arm 7 also can be that to be positioned at identical vertical (Y) height and parallel not contacted front and back stacked.
Consult Fig. 9; Fig. 9 is the 4th a kind of execution mode of this first preferred embodiment; This second radiation arm 7 comprises that also one has the line of rabbet joint 74 of an opening 741; And this coupling arm 82 is in this opening 741 extends into this line of rabbet joint 74, to increase the capacitive coupling amount between this second radiation arm 7 and this coupling arm 82.
Consult Figure 10; Second preferred embodiment of this antenna also comprises one second coupling assembly 0 than first preferred embodiment of Fig. 5; This second coupling assembly 0 comprise one be positioned at free end 71 right sides of this second radiation arm 7 free end 01 and be electrically connected the connection end 02 of this first coupling assembly 8; When this multifrequency antenna receiving and transmitting signal; 7 of this second coupling assembly 0 and this second radiation arms produce coupling effect and produce one the 4th resonance mode, and the 4th resonance mode and this second resonance mode constitute another and contain the bimodal of this second frequency band, and the frequency of this second frequency band is higher than the frequency of this first frequency band.
Consult Figure 11, the 3rd preferred embodiment of this antenna also comprises one the 3rd radiation arm 10 except all component that comprises this first preferred embodiment.The 3rd radiation arm 10 is positioned at the right side of this feeding portion 5 with this first radiation arm 6 non-intersectly, and comprises that a free end 101 and is electrically connected on the connection end 102 of this feeding portion 5; In addition, this first radiation arm 6 is the U-shaped of an opening 63 towards a left side, and 10 of the 3rd radiation arms are a horizontal linear and extend into to the right in the opening 63 of this first radiation arm 6 from this feeding portion 5.
Consult Figure 11 and Figure 12; When this multifrequency antenna receiving and transmitting signal; The 3rd radiation arm 10 is in order to produce one the 4th resonance mode, and the 4th resonance mode and this second resonance mode constitute another and contain the bimodal of this second frequency band, and the frequency of this second frequency band is higher than the frequency of this first frequency band.
Consult Figure 13, Figure 13 is another execution mode of the 3rd preferred embodiment (referring to Figure 11), the 3rd radiation arm 10 also can from this feeding portion 5 towards the free end of this first radiation arm 6 61 extend near.
Consult Figure 14 and Figure 15; The 4th preferred embodiment of this antenna comprises all constituent components in the 3rd preferred embodiment (seeing Figure 11); Just this multifrequency antenna also contains and comprises one and roughly be down L shaped and two terminal 41 be electrically connected on this feeding portion 5 and this grounding parts 3 respectively, in order to the adjustment arm 4 of adjustment impedance matching (impedance matching).Though the adjustment arm 4 of this antenna is L shaped at this, do not exceed, and can be arranged in the either side of these feeding portion 5 left and right sides with this shape, just these terminal 41 need be electrically connected on this feeding portion 5 and this grounding parts 3 respectively in order to adjust the impedance matching of this antenna.
In sum; Since this first coupling assembly 8 of multifrequency antenna of the present invention and this second coupling assembly 0 not with this first radiation arm 6 and 10 longitudinal overlaps of the 3rd radiation arm; So can avoid and this first radiation arm 6 or 10 generation interference of the 3rd radiation arm; Make frequency shift (FS) and impedance matching between each resonance mode of this multifrequency antenna compare the easy independent design adjustment of known antenna among Fig. 3, also need not this matching capacitance 2 of extra increase, so can reduce cost; In addition; (704～960MHz) comprise two resonance modes to first frequency band of this multifrequency antenna; This multifrequency antenna can increase the bandwidth of operation of this first frequency band effectively and can be applicable to a plurality of communication systems simultaneously so compare the design of known Fig. 1, so can reach the object of the invention really.
The above person of thought; Be merely preferred embodiment of the present invention; Can not limit the scope that the present invention implements with this, the promptly every scope of claims and simple equivalent variations and modification that the description of the invention content is done according to the present invention all still belongs in the scope that patent of the present invention contains.
Claims (11)
1. a multifrequency antenna is applicable to the sending and receiving end that is electrically connected on a radio circuit by a feed element, and this multifrequency antenna comprises:
One grounding parts, this grounding parts comprises the edge of a horizontal expansion;
One feeding portion, this feeding portion be positioned at this grounding parts the edge the outside and be electrically connected on this feed element, and via the sending and receiving end transmitting radio frequency signal of this feed element and this radio circuit;
One first radiation arm, this first radiation arm are positioned at the right side of this feeding portion and comprise that a free end and is electrically connected on the connection end of this feeding portion, and this first radiation arm is in order to produce one first resonance mode;
One second radiation arm; This second radiation arm is positioned at the left side of this feeding portion; And comprise that a free end, is electrically connected on the connection end of this feeding portion; And a horizontal expansion and be electrically connected this free end and the extension arm of this connection end, this second radiation arm is in order to produce one second resonance mode; And
One first coupling assembly; This first coupling assembly does not contact with this second radiation arm and this feeding portion; And comprise that one is positioned at the left side of this feeding portion and the ground connection arm of longitudinal extension outwardly from the edge of this grounding parts; And one from this ground connection arm towards this feeding portion horizontal expansion and with the coupling arm of the extension arm interval overlapping of this second radiation arm; And this coupling arm have one be positioned at the free end of this second radiation arm the right side, and contiguous this feeding portion and not with the free end of this first radiation arm longitudinal overlap;
When this multifrequency antenna receiving and transmitting signal; Produce coupling effect between the extension arm of this second radiation arm and the coupling arm of this first coupling assembly; Make this first coupling assembly produce one the 3rd resonance mode, and three centre frequencies of this first resonance mode, this second resonance mode and the 3rd resonance mode are all inequality.
2. multifrequency antenna according to claim 1 also comprises one the 3rd radiation arm; The 3rd radiation arm and this first radiation arm are positioned at the right side of this feeding portion non-intersectly; And comprise that a free end and is electrically connected on the connection end of this feeding portion; The 3rd radiation arm is in order to producing one the 4th resonance mode, and the centre frequency of the centre frequency of the 4th resonance mode and other three resonance modes is all inequality.
3. multifrequency antenna according to claim 2, wherein, this first radiation arm is the U-shaped of an opening towards a left side, and the 3rd radiation arm then is a horizontal linear.
4. multifrequency antenna according to claim 3, wherein, the 3rd radiation arm extends into to the right in the opening of this first radiation arm U-shaped from this feeding portion.
5. multifrequency antenna according to claim 3, wherein, the 3rd radiation arm from this feeding portion towards the free end of this first radiation arm extend near.
6. multifrequency antenna according to claim 2, wherein, this first and the 3rd resonance mode constitute one contain one first frequency band bimodal, this second with the 4th resonance mode formation another contains the bimodal of second frequency band different with this first frequency band.
7. multifrequency antenna according to claim 6, wherein, the frequency of this second frequency band is higher than the frequency of this first frequency band.
8. multifrequency antenna according to claim 1, wherein, this first radiation arm is a horizontal linear.
9. multifrequency antenna according to claim 1 also comprises one second coupling assembly; This second coupling assembly comprises that one is positioned at the free end on the free end right side of this second radiation arm; And the connection end of this first coupling assembly of electrical connection; When this multifrequency antenna receiving and transmitting signal, produce coupling effect between this second coupling assembly and this second radiation arm and produce one the 4th resonance mode.
10. multifrequency antenna according to claim 9, wherein, this first and the 3rd resonance mode constitute one contain one first frequency band bimodal, this second with the 4th resonance mode formation another contains the bimodal of second frequency band different with this first frequency band.
11. multifrequency antenna according to claim 1, wherein, this second radiation arm comprises that also one has the line of rabbet joint of an opening, and this coupling arm extends into this line of rabbet joint from this opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110150510.3A CN102820523B (en) | 2011-06-07 | 2011-06-07 | multi-frequency antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110150510.3A CN102820523B (en) | 2011-06-07 | 2011-06-07 | multi-frequency antenna |
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| CN102820523A true CN102820523A (en) | 2012-12-12 |
| CN102820523B CN102820523B (en) | 2016-03-23 |
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| CN201110150510.3A Active CN102820523B (en) | 2011-06-07 | 2011-06-07 | multi-frequency antenna |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104103892A (en) * | 2013-04-09 | 2014-10-15 | 宏碁股份有限公司 | Mobile communication device |
| CN104201459A (en) * | 2014-08-28 | 2014-12-10 | 深圳市可信华成通信科技有限公司 | Multi-band passive antenna in malicious environment |
| CN104241855A (en) * | 2013-06-06 | 2014-12-24 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device having same |
| CN104868248A (en) * | 2014-02-26 | 2015-08-26 | 启碁科技股份有限公司 | Broadband antenna |
| CN109216928A (en) * | 2017-07-03 | 2019-01-15 | 仁宝电脑工业股份有限公司 | Multifrequency antenna |
| CN109411883A (en) * | 2017-08-15 | 2019-03-01 | 启碁科技股份有限公司 | Antenna structure |
| WO2020173298A1 (en) * | 2019-02-28 | 2020-09-03 | 华为技术有限公司 | Antenna module, antenna apparatus, and terminal device |
| CN114389019A (en) * | 2020-10-05 | 2022-04-22 | 广达电脑股份有限公司 | Antenna system |
| WO2024001072A1 (en) * | 2022-06-30 | 2024-01-04 | 西安电子科技大学 | Antenna module, antenna array, and electronic device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040222923A1 (en) * | 2003-05-07 | 2004-11-11 | Agere Systems, Incorporated | Dual-band antenna for a wireless local area network device |
| CN1596486A (en) * | 2001-11-28 | 2005-03-16 | 皇家飞利浦电子股份有限公司 | Dual-band antenna arrangement |
| CN101106211A (en) * | 2006-07-14 | 2008-01-16 | 连展科技电子（昆山）有限公司 | Dual loop multi-frequency antenna |
| CN101557030A (en) * | 2008-04-10 | 2009-10-14 | 广达电脑股份有限公司 | Multi-frequency antenna |
| CN101911388A (en) * | 2008-01-08 | 2010-12-08 | Ace技术株式会社 | Multi-band internal antenna |
-
2011
- 2011-06-07 CN CN201110150510.3A patent/CN102820523B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1596486A (en) * | 2001-11-28 | 2005-03-16 | 皇家飞利浦电子股份有限公司 | Dual-band antenna arrangement |
| US20040222923A1 (en) * | 2003-05-07 | 2004-11-11 | Agere Systems, Incorporated | Dual-band antenna for a wireless local area network device |
| CN101106211A (en) * | 2006-07-14 | 2008-01-16 | 连展科技电子（昆山）有限公司 | Dual loop multi-frequency antenna |
| CN101911388A (en) * | 2008-01-08 | 2010-12-08 | Ace技术株式会社 | Multi-band internal antenna |
| CN101557030A (en) * | 2008-04-10 | 2009-10-14 | 广达电脑股份有限公司 | Multi-frequency antenna |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104103892A (en) * | 2013-04-09 | 2014-10-15 | 宏碁股份有限公司 | Mobile communication device |
| CN104103892B (en) * | 2013-04-09 | 2016-08-10 | 宏碁股份有限公司 | mobile communication device |
| CN104241855A (en) * | 2013-06-06 | 2014-12-24 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device having same |
| CN104241855B (en) * | 2013-06-06 | 2019-05-10 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device with the antenna structure |
| CN104868248A (en) * | 2014-02-26 | 2015-08-26 | 启碁科技股份有限公司 | Broadband antenna |
| CN104201459A (en) * | 2014-08-28 | 2014-12-10 | 深圳市可信华成通信科技有限公司 | Multi-band passive antenna in malicious environment |
| CN104201459B (en) * | 2014-08-28 | 2017-12-15 | 深圳市可信华成通信科技有限公司 | A kind of multiband passive antenna under adverse circumstances |
| CN109216928A (en) * | 2017-07-03 | 2019-01-15 | 仁宝电脑工业股份有限公司 | Multifrequency antenna |
| CN109411883A (en) * | 2017-08-15 | 2019-03-01 | 启碁科技股份有限公司 | Antenna structure |
| WO2020173298A1 (en) * | 2019-02-28 | 2020-09-03 | 华为技术有限公司 | Antenna module, antenna apparatus, and terminal device |
| CN114389019A (en) * | 2020-10-05 | 2022-04-22 | 广达电脑股份有限公司 | Antenna system |
| WO2024001072A1 (en) * | 2022-06-30 | 2024-01-04 | 西安电子科技大学 | Antenna module, antenna array, and electronic device |
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| Publication number | Publication date |
|---|---|
| CN102820523B (en) | 2016-03-23 |
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