CN104993222A - Antenna array of hybrid radiator assembly - Google Patents
Antenna array of hybrid radiator assembly Download PDFInfo
- Publication number
- CN104993222A CN104993222A CN201510201468.1A CN201510201468A CN104993222A CN 104993222 A CN104993222 A CN 104993222A CN 201510201468 A CN201510201468 A CN 201510201468A CN 104993222 A CN104993222 A CN 104993222A
- Authority
- CN
- China
- Prior art keywords
- antenna array
- transmission line
- dipole radiation
- body assembly
- frequency signals
- 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.)
- Granted
Links
- 239000002184 metal Substances 0.000 claims abstract description 26
- 230000000694 effects Effects 0.000 claims abstract description 11
- 230000005855 radiation Effects 0.000 claims description 85
- 230000005540 biological transmission Effects 0.000 claims description 41
- 230000001939 inductive effect Effects 0.000 claims description 8
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000011469 building brick Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Details Of Aerials (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
The present invention relates to an antenna array, and more particularly, to an antenna array of a hybrid radiator assembly. The structure comprises a metal radiator composed of a dipole radiator and a folded dipole radiator, and the purpose of impedance matching is achieved through the parallel metal radiator; meanwhile, the folded dipole radiator with capacitive input impedance in the specific antenna operation frequency band compensates the capacitance effect thereof, so that the antenna array of the hybrid radiator assembly of the invention can exert the advantages of high efficiency and high directivity under the specific antenna operation frequency band.
Description
Technical field
The present invention relates to a kind of antenna array, espespecially one has parallel-connection structure and reaches impedance matching, and uses the inductive effect of folding dipole radiation body compensate the capacity effect of dipole radiation body and allow resonance point position in the antenna array of the hybrid radiant body assembly of specific antenna frequency of operation.
Background technology
The fast development of wireless communication technology, makes Antenna Design trend tend to the user demands such as microminiaturized and transmission system multiband, therefore through the multiple antenna of integration in same antenna module, need use and reach increasingly strict design standard.
General array antenna system puts in order according to certain rules with many identical individual antennas and formed, the radiation pattern figure of individual antenna is wayward, gain is not high, other important parameter often can not meet the user demand of industry today circle high standard, so array antenna just need be used in the product that some transmission quality requirements is higher to be improved.Each composition antenna element in the middle of array antenna has certain queueing discipline and signal feed-in conduction pattern, and use the effect reaching requirement, antenna element number is more, and gain is higher, and size is relatively large.Another problem will considered when developing is then meet impedance matching, and matching degree is not good can affect the transmission susceptibility of receiving system and the exact degree of system.For high power or high sensitive transmission system, under being in the Like condition of impedance mismatch for a long time, be the stability of the further influential system of meeting.
The present invention improves based on the concept of array antenna, develop a kind of antenna array of the hybrid radiant body assembly in conjunction with multiple radiant body, complementary effect is obtained to utilize the novelty of Different Radiators to combine, meet industry demand that is high-effect, low cost, simultaneously also in size Control, make every effort to meet microminiaturized electronic product developing trend.
Summary of the invention
Main purpose of the present invention, be to provide a kind of antenna array of hybrid radiant body assembly, it has metal radiation body structure parallel with one another, with when single metal radiation body structural impedance is higher, reduce the overall impedance of the antenna array of hybrid radiant body assembly, still impedance matching can be reached, meet the standard of industrial circle to guarantee its using value.
Another object of the present invention, be to provide a kind of antenna array of hybrid radiant body assembly, it is in metal radiation body structure, there are folding dipole radiation body and dipole radiation body, in antenna operation frequency range, folding dipole radiation body, as inductive component, to compensate the capacity effect of dipole radiation body, makes the resonance frequency of antenna array can be adjusted substantially and falls within the frequency of 2.4GHz.
Another object of the present invention, be to provide a kind of antenna array of hybrid radiant body assembly, it has high directivity and high efficiency in the frequency of 2.4GHz, is applicable to being applied to existing wireless communications product.
A more object of the present invention, be to provide a kind of antenna array of hybrid radiant body assembly, it can be connected with low pass filter further, obtaining only allows low-frequency signal (such as aforesaid 2.4GHz) to pass through, avoid high-frequency signals to pass through and become the noise of other system (such as operational frequency range contains the WiMax of 3GHz, or the WLAN of 5GHz), or the interference of frequency multiplication resonance.
Another object of the present invention, be to provide a kind of antenna array of hybrid radiant body assembly, it only can be arranged at the one side of microwave base plate, helpful in the simplification of processing procedure.
The invention provides a kind of antenna array of hybrid radiant body assembly, it is basic and the structure of necessity comprises a high-frequency signals feed-in transmission line, the two ends of this high-frequency signals feed-in transmission line are connected with a metal radiation body respectively, those metal radiation body are in parallel, the mid point of this high-frequency signals feed-in transmission line has a signal load point and a signal earth point, those metal radiation systems are symmetrical in this signal load point and this signal earth point, and each this metal radiation system comprises: a dipole radiation body, its input impedance is capacitive character in an antenna operation frequency range, and it comprises one first dipole radiation arm and one second dipole radiation arm, this high-frequency signals feed-in transmission line is connected to one first contact of this first dipole radiation arm and one second contact of this second dipole radiation arm, and a folding dipole radiation body, its input impedance is inductive in this antenna operation frequency range, and 1 of its two ends the 3rd contact and one the 4th contact are connected to this high-frequency signals feed-in transmission line respectively and form a circulation, and in order to compensate the capacity effect of this dipole radiation body, wherein, the below of the antenna array of this hybrid radiant body assembly arranges a metallic reflection plate.
Accompanying drawing explanation
Fig. 1: be the structural representation of a preferred embodiment of the present invention;
Fig. 2: be the part-structure schematic diagram of a preferred embodiment of the present invention, in order to represent the structure of metal radiation body;
Fig. 3: be the structure schematic side view of a preferred embodiment of the present invention, in order to represent the relative position of microwave base plate and metallic reflection plate;
Fig. 4: be the imaginary part input impedance curve chart of a preferred embodiment of the present invention;
Fig. 5 A: be the E planar radiation field pattern figure of a preferred embodiment of the present invention;
Fig. 5 B: be the H planar radiation field pattern figure of a preferred embodiment of the present invention;
Fig. 6: return loss figure for a preferred embodiment of the present invention;
Fig. 7 A: be the structural representation of another preferred embodiment of the present invention, is provided with low pass filter in order to represent;
Fig. 7 B: return loss figure for another preferred embodiment of the present invention, in order to represent the test result being provided with low pass filter;
In figure: 1, high-frequency signals feed-in transmission line; 1A, the first transmission line; 1B, the second transmission line; 10, signal load point; 11, signal earth point; 21, dipole radiation body; 21A, the first dipole radiation arm; 210A, the first contact; 21B, the second dipole radiation arm; 210B, the second contact; 22, folding dipole radiation body; 22A, the 3rd contact; 22B, the 4th contact; 3, microwave base plate; 4, metallic reflection plate; D, interval; S, the first contact and the 3rd contact.
Embodiment
For making feature of the present invention and effect of reaching have a better understanding and awareness, careful assistant is with preferred embodiment and coordinate detailed description, illustrates as rear:
First please also refer to Fig. 1 and Fig. 2, the present invention in the antenna array of the hybrid radiant body assembly that a preferred embodiment discloses be structurally contain high-frequency signals feed-in transmission line 1 and a pair of metal radiant body 2, the two ends of this high-frequency signals feed-in transmission line 1 are connected with a metal radiation body 2 respectively, make those metal radiation body 2 in parallel.The present invention is in this preferred embodiment, high-frequency signals feed-in transmission line 1 is contain the first transmission line 1A and the second transmission line 1B, both be arranged in parallel, and the mid point of the first transmission line 1A and the second transmission line 1B has signal load point 10 and signal earth point 11 respectively.Signal load point 10 can be connected and feed-in high-frequency signals with the center Communication signal wire of feed-in line (not shown), and signal earth point 11 is connected with the outer ground wire of feed-in line.Those metal radiation body 2 except being connected to the two ends of high-frequency signals feed-in transmission line 1, simultaneously with signal load point 10 and signal earth point 11 for symmetrical centre and be symmetrical setting.
Single metal radiant body 2 itself then contains one group of dipole radiation body 21 and a folding dipole radiation body 22, both be connected with high-frequency signals feed-in transmission line 1.
Dipole radiation body 21 comprises the first dipole radiation arm 21A and the second dipole radiation arm 21B, and the length of these two radiation arms is identical, and is symmetrical up and down centered by high-frequency signals feed-in transmission line 1.The connection system of dipole radiation body 21 and high-frequency signals feed-in transmission line 1 is through the second contact 210B of the first contact 210A of one end of the first dipole radiation arm 21A and one end of the second dipole radiation arm 21B.The length of the dipole radiation body 21 of the present invention in this preferred embodiment is substantially 1.25 operative wavelengths (1.25 λ), the half wavelength dipole antenna (0.5 λ) that this length is more general is for long, have larger gain effect, energy is comparatively concentrated.
Folding dipole radiation body 22 there is no with dipole radiation body 21 and is directly connected, 3rd contact 22A and the 4th contact 22B system at its two ends are connected with the first transmission line 1A of high-frequency signals feed-in transmission line 1 and the end points of the second transmission line 1B respectively, and folding dipole radiation body 22 system itself is a circulation form through wriggling.The length of the folding dipole radiation body 22 of the present invention in this preferred embodiment is 0.9 ~ 1 operative wavelength (0.9 ~ 1 λ).The distance S system of one contact 210A and the 3rd contact 22A is to be less than 0.25 operative wavelength (0.25 λ) for good.
In the antenna array of hybrid radiant body assembly of the present invention, the input impedance of dipole radiation body 21 in an antenna operation frequency range for capacitive character is (as shown in the curve (1) of the 4th figure, its imaginary part input impedance <0), this antenna operation frequency range system frequency centered by 2.4GHz, it is the wireless transmission band of global common use, such as the technology such as radio area network (IEEE 802.11b/IEEE 802.11g), bluetooth, ZigBee, all can carry out transmission signal in this frequency.Therefore, in order to compensate the capacity effect of dipole radiation body 21, the present invention uses input impedance in this antenna operation frequency range for inductive folding dipole radiation body 22 is as Inductive component, as shown in the curve (2) of the 4th figure, and its imaginary part input impedance >0.The advantage of folding dipole radiation body 22 ties up to the part that can be used as antenna in itself being also metallic object and sends signal, must increase bandwidth and have double benefit to exist.
The mode that aforementioned mentioned high-frequency signals feed-in transmission line 1 and metal radiation body 2 can pass through printing is formed at the one side of a microwave base plate 3, and high-frequency signals feed-in transmission line 1 and metal radiation body 2 lie in printing process and be shaped together.The two sides of metal radiation body 2 all radiation-curable go out high-frequency signals, and in order to make directive property of the present invention improve, therefore a metallic reflection plate 4 is set in the below of microwave base plate 3, with by the energy of radiation below microwave base plate 3 by reflecting towards the top of microwave base plate 3, make towards the energy of the top radiation of microwave base plate 3 comparatively strong, there is good directive property and signal strength.
Please refer to Fig. 3, is there is interval D between microwave base plate 3 and metallic reflection plate 4, and it is highly be less than 0.15 operative wavelength, and preferably scope is then substantially 0.08 operative wavelength.The present invention in the reason that the microwave base plate 3 of this preferred embodiment and the interval D of metallic reflection plate 4 are not 0.25 operative wavelength (signal through reflecting after making radiation is reach gain effect through the distance of half wavelength when getting back to microwave base plate 3) tie up in, the length of high-frequency signals feed-in transmission line 1 is less than 50mm substantially and makes two metal radiation body 2 adjoining (the better system of S is less than 0.25 operative wavelength), and under the identical substantially impact of the area of microwave base plate 3 and metallic reflection plate 4 and shape system, the energy that two hybrid-type metal radiation body 2 send influences each other, and can just reach in the reflection of less interval D the benefit obviously strengthened, therefore microwave base plate 3 can be reduced to the distance of metallic reflection plate 4 and be less than 0.15 operative wavelength, must be applied to that there is smaller size smaller, in the middle of the electronic product in space.
Please refer to Fig. 4, it is the imaginary part input impedance curve chart of a preferred embodiment of the present invention; The imaginary part input impedance curve that curve (1) is wherein dipole radiation body 21, the imaginary part input impedance curve that curve (2) is folding dipole radiation body 22, curve (3) is then the imaginary part input impedance curve in conjunction with high-frequency signals feed-in transmission line 1, dipole radiation body 21 and folding dipole radiation body 22.As shown in the figure, dipole radiation body 21 itself has capacitive character (imaginary part input impedance <0) in 2.4GHz antenna operation frequency range cording, folding dipole radiation body 22 then has inductive (imaginary part input impedance >0) in 2.4GHz antenna operation frequency range, both after bonding and be connected with high-frequency signals feed-in transmission line 1, resonance point (imaginary part input impedance is almost equal to zero) is namely dropped on 2.4GHz by adjustment.
The input impedance of antenna is the input voltage of antenna feed side and the ratio of input current, and antenna and feed-in line Even connect, best circumstance is that the input impedance of antenna is pure resistance and equals the characteristic impedance of feed-in line, and at this moment feed-in line terminal does not have power reflection, and feed-in does not have standing wave online.The present invention is in this preferred embodiment, the impedance of its metal radiation body 2 is 100 nurses difficult to understand, and through aforesaid vibrational power flow after parallel connection, 50 nurses difficult to understand can be reduced to and reach impedance matching, meet industrial circle and consider the harmony of energy transferring and energy attenuation and the universal standard, coordinate the antenna operation frequency range of 2.4GHz again, therefore the present invention is the complete application conditions meeting existing industry standard.Fig. 5 A, 5B are respectively E plane, the H planar radiation field pattern figure of preferred embodiment of the present invention, and it is that the beamwidth disclosing signal power decay half (3dB) is about 50 degree, 64 degree respectively in E plane, H plane.
Please refer to and return loss figure shown in Fig. 6, as shown in the figure, the present invention in this preferred embodiment except can except the frequency radiation signal of 2.4GHz, also signal is given off higher than the frequency range of 2.5GHz in part, so may produce interference to other system, such as operational frequency range contains the WiMax of 3GHz, or the WLAN of 5GHz.Therefore please refer to another preferred embodiment of 7A figure, the present invention can make high-frequency signals feed-in transmission line 1 more can pass through feed-in line 50 and be connected with a low pass filter 51 further, low pass filter 51 can filter high-frequency signal, such as higher than the signal of 2.5GHz), the antenna array of hybrid radiant body assembly of the present invention like this can be avoided giving off the signal higher than predetermined operation frequencies, loss is returned as shown in 7B figure, the antenna array of hybrid radiant body assembly of the present invention is micro-at the energy of the signal given off higher than 2.5GHz, be equivalent to background noise, so the signal reception of other system can't be disturbed.
In sum, the present invention discloses a kind of antenna array of hybrid radiant body assembly in detail, it is consider that the input impedance of dipole radiation body is capacitive character in specific antenna operation frequency range, therefore folding dipole radiation body is used at this specific antenna operation frequency range as inductive component, the capacity effect of dipole radiation body is compensated, impels the frequency of operation of the antenna array of this hybrid radiant body assembly to be met the standard of industry application; And for the problem of impedance matching, be then use technological means in parallel and make impedance drop be low to moderate predetermined value to reach coupling.In addition, the present invention's also visual demand and by the microwave base plate pitch dimension shrinkage at metallic reflection plate and antenna array place, with the trend trend in response to electronic building brick microminiaturization; Again based on the problem of signal interference, the mode of setting up low pass filter can be utilized easily to complete signal and to filter.The present invention has high efficiency, height finger property to the advantage with high-gain, its architectural feature also can not produce the cost of any added burden to the existing processing procedure of industrial circle, therefore in conjunction with under many merits, the present invention has antenna array that is practical and the hybrid radiant body assembly of commercial value concurrently for a kind of undoubtedly.
Only as described above, be only preferred embodiment of the present invention, not be used for limiting scope of the invention process, such as change according to the shape described in the present patent application the scope of the claims, structure, feature and spirit institute are impartial for it and modify, all should be included in claim of the present invention.
Claims (9)
1. the antenna array of a hybrid radiant body assembly, it comprises a high-frequency signals feed-in transmission line, the two ends of this high-frequency signals feed-in transmission line are connected with a metal radiation body respectively, those metal radiation body are in parallel, the mid point of this high-frequency signals feed-in transmission line has a signal load point and a signal earth point, those metal radiation systems are symmetrical in this signal load point and this signal earth point, and each this metal radiation system comprises:
One dipole radiation body, its input impedance is capacitive character in an antenna operation frequency range, and it comprises one first dipole radiation arm and one second dipole radiation arm, this high-frequency signals feed-in transmission line is connected to one first contact of this first dipole radiation arm and one second contact of this second dipole radiation arm; And
One folding dipole radiation body, its input impedance is inductive in this antenna operation frequency range, and 1 of its two ends the 3rd contact and one the 4th contact are connected to this high-frequency signals feed-in transmission line respectively and form a circulation, and in order to compensate the capacity effect of this dipole radiation body;
Wherein, the below of the antenna array of this hybrid radiant body assembly arranges a metallic reflection plate.
2. the antenna array of hybrid radiant body assembly according to claim 1, is characterized in that: wherein the length of this dipole radiation body is substantially 1.25 operative wavelengths.
3. the antenna array of hybrid radiant body assembly according to claim 1, is characterized in that: wherein the length of this folding dipole radiation body is 0.9 ~ 1 operative wavelength.
4. the antenna array of hybrid radiant body assembly according to claim 1, is characterized in that: wherein this high-frequency signals feed-in transmission line and those metal radiation systems are arranged at the one side of a microwave base plate.
5. the antenna array of hybrid radiant body assembly according to claim 4, is characterized in that: wherein the distance of this microwave base plate and this metallic reflection plate is less than 0.15 operative wavelength.
6. the antenna array of hybrid radiant body assembly according to claim 4, is characterized in that: wherein the area of this microwave base plate and this metallic reflection plate and shape identical substantially.
7. the antenna array of hybrid radiant body assembly according to claim 1, is characterized in that: wherein this high-frequency signals feed-in transmission line is more connected with a low pass filter.
8. the antenna array of hybrid radiant body assembly according to claim 1, is characterized in that: wherein the length of this first dipole radiation arm and this second dipole radiation arm is identical.
9. the antenna array of hybrid radiant body assembly according to claim 1, is characterized in that: wherein the distance of this first contact and the 3rd contact is less than 1/4 wavelength of frequency of operation.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW103141711A TWI549365B (en) | 2014-12-02 | 2014-12-02 | Antenna array of hybrid radiator elements |
| TW103141711 | 2014-12-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104993222A true CN104993222A (en) | 2015-10-21 |
| CN104993222B CN104993222B (en) | 2017-12-05 |
Family
ID=53967454
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510201468.1A Withdrawn - After Issue CN104993222B (en) | 2014-12-02 | 2015-04-24 | antenna array of hybrid radiator assembly |
| CN201520255989.0U Withdrawn - After Issue CN204614927U (en) | 2014-12-02 | 2015-04-24 | Antenna array of hybrid radiator assembly |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520255989.0U Withdrawn - After Issue CN204614927U (en) | 2014-12-02 | 2015-04-24 | Antenna array of hybrid radiator assembly |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN104993222B (en) |
| TW (1) | TWI549365B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109950682A (en) * | 2017-10-27 | 2019-06-28 | 联发科技股份有限公司 | Antenna packages and communication device |
| CN110165425A (en) * | 2018-11-23 | 2019-08-23 | 耀登电通科技（昆山）有限公司 | High-frequency antenna device and antenna array thereof |
| WO2022134786A1 (en) * | 2020-12-22 | 2022-06-30 | 华为技术有限公司 | Antenna and communication device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI549365B (en) * | 2014-12-02 | 2016-09-11 | Hongbo Wireless Comm Technology Co Ltd | Antenna array of hybrid radiator elements |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008042510A (en) * | 2006-08-07 | 2008-02-21 | Kuurii Components Kk | Antenna device |
| US20080204345A1 (en) * | 2005-06-13 | 2008-08-28 | Binlong Bu | Wideband I-Shaped Monopole Dipole |
| CN102522628A (en) * | 2011-12-09 | 2012-06-27 | 清华大学 | High gain bidirectional end-fire antenna array applied to mine and tunnel |
| CN204614927U (en) * | 2014-12-02 | 2015-09-02 | 威海市泓淋电子有限公司 | Antenna array of hybrid radiator assembly |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4381566A (en) * | 1979-06-14 | 1983-04-26 | Matsushita Electric Industrial Co., Ltd. | Electronic tuning antenna system |
| US6856297B1 (en) * | 2003-08-04 | 2005-02-15 | Harris Corporation | Phased array antenna with discrete capacitive coupling and associated methods |
| CN2733628Y (en) * | 2004-06-10 | 2005-10-12 | 寰波科技股份有限公司 | Broadband symmetric dipole array antenna |
| US7501955B2 (en) * | 2004-09-13 | 2009-03-10 | Avery Dennison Corporation | RFID device with content insensitivity and position insensitivity |
| CN200997444Y (en) * | 2007-01-30 | 2007-12-26 | 寰波科技股份有限公司 | Dipolar-array directional antenna |
| KR101090113B1 (en) * | 2009-02-23 | 2011-12-07 | 주식회사 에이스테크놀로지 | Radiation member using a dielectric member and antenna including the same |
| CN102142620B (en) * | 2010-12-06 | 2013-09-11 | 华为技术有限公司 | Dual-polarization omnidirectional antenna and wireless transceiving equipment |
| CN103427166B (en) * | 2013-08-25 | 2015-04-22 | 南京理工大学 | Broadband microwave absorber based on folded dipole |
-
2014
- 2014-12-02 TW TW103141711A patent/TWI549365B/en active
-
2015
- 2015-04-24 CN CN201510201468.1A patent/CN104993222B/en not_active Withdrawn - After Issue
- 2015-04-24 CN CN201520255989.0U patent/CN204614927U/en not_active Withdrawn - After Issue
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080204345A1 (en) * | 2005-06-13 | 2008-08-28 | Binlong Bu | Wideband I-Shaped Monopole Dipole |
| JP2008042510A (en) * | 2006-08-07 | 2008-02-21 | Kuurii Components Kk | Antenna device |
| CN102522628A (en) * | 2011-12-09 | 2012-06-27 | 清华大学 | High gain bidirectional end-fire antenna array applied to mine and tunnel |
| CN204614927U (en) * | 2014-12-02 | 2015-09-02 | 威海市泓淋电子有限公司 | Antenna array of hybrid radiator assembly |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109950682A (en) * | 2017-10-27 | 2019-06-28 | 联发科技股份有限公司 | Antenna packages and communication device |
| CN109950682B (en) * | 2017-10-27 | 2021-04-30 | 联发科技股份有限公司 | Antenna package and communication device |
| CN110165425A (en) * | 2018-11-23 | 2019-08-23 | 耀登电通科技（昆山）有限公司 | High-frequency antenna device and antenna array thereof |
| WO2022134786A1 (en) * | 2020-12-22 | 2022-06-30 | 华为技术有限公司 | Antenna and communication device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104993222B (en) | 2017-12-05 |
| CN204614927U (en) | 2015-09-02 |
| TWI549365B (en) | 2016-09-11 |
| TW201622249A (en) | 2016-06-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2660933B1 (en) | Array antenna of mobile terminal and implementing method thereof | |
| CN109273836B (en) | Broadband wide-angle scanning antenna based on tightly-coupled dipole and anisotropic matching layer | |
| CN102414914B (en) | Balanced metamaterial antenna device | |
| TWI548145B (en) | Omnidirectional antenna | |
| CN102868017B (en) | Radiation device and array antenna based on same | |
| CN106848554A (en) | A kind of ultra wide bandwidth angle antenna array based on interdigitated coupled dipole unit | |
| CN204614927U (en) | Antenna array of hybrid radiator assembly | |
| CN203660057U (en) | Wide-band antenna | |
| CN102780071A (en) | Three-dimensional antenna | |
| CN204407506U (en) | Hybrid radiant body antenna structure | |
| CN103515700A (en) | RFID antenna | |
| CN106299679A (en) | Antenna and radiofrequency signal R-T unit | |
| CN104681969B (en) | Hybrid radiant body antenna structure | |
| US20180013209A1 (en) | Three polarization mimo antenna system | |
| US20200136242A1 (en) | Double-frequency antenna structure with high isolation | |
| CN108258403A (en) | Compact dual-frequency nesting antenna | |
| CN101207236B (en) | Multi-frequency antenna | |
| Ohira et al. | Dipole antenna pair revisited from kQ product and Poincare distance for wireless power transfer invited | |
| Ha-Van et al. | A single-feeding port HF-UHF dual-band RFID tag antenna | |
| TWI594498B (en) | Multi-frequency monopole antenna for tablet and botebook computers | |
| CN103915685B (en) | A kind of four unit mimo antenna of the small size wide bandwidth based on printed circuit board (PCB) | |
| US8294631B2 (en) | Antenna with a bent portion | |
| CN102694236A (en) | Electronically small plane loop antenna with high efficiency used in radio communication terminal | |
| CN110770972B (en) | Antenna and unmanned aerial vehicle | |
| CN103579762B (en) | Multi-frequency 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 | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 264213 No. 9-10 Pudong Road, Weihai Economic and Technological Development Zone, Weihai City, Shandong Province Patentee after: Weihai city Hong Lin Electric Power Technology Limited by Share Ltd Address before: 264213 No. 9-10 Pudong Road, Weihai Economic and Technological Development Zone, Weihai City, Shandong Province Patentee before: Weihai Honglin Electronics Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171205 Effective date of abandoning: 20200304 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20171205 Effective date of abandoning: 20200304 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |