CN101345350B - Array antenna - Google Patents
Array antenna Download PDFInfo
- Publication number
- CN101345350B CN101345350B CN2007101360269A CN200710136026A CN101345350B CN 101345350 B CN101345350 B CN 101345350B CN 2007101360269 A CN2007101360269 A CN 2007101360269A CN 200710136026 A CN200710136026 A CN 200710136026A CN 101345350 B CN101345350 B CN 101345350B
- Authority
- CN
- China
- Prior art keywords
- ground plane
- array antenna
- radiation
- signal transmission
- radiation conductor
- 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
- 230000005855 radiation Effects 0.000 claims abstract description 94
- 239000004020 conductor Substances 0.000 claims abstract description 87
- 230000008054 signal transmission Effects 0.000 claims abstract description 17
- 238000012546 transfer Methods 0.000 description 42
- 239000002184 metal Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 208000010086 Hypertelorism Diseases 0.000 description 1
- 206010020771 Hypertelorism of orbit Diseases 0.000 description 1
- 235000002595 Solanum tuberosum Nutrition 0.000 description 1
- 244000061456 Solanum tuberosum Species 0.000 description 1
- 230000005540 biological transmission 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
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention provides an array antenna which can reduce the side lobe energy overflow of an antenna radiation field type, comprising a plurality of grounding surfaces, a signal transmission element, two radiation conductors and a signal feed-in wire; a plurality of grounding surfaces comprise five grounding surfaces; wherein, the first grounding surface and the fifth grounding surface are arranged on the same plane; one side of the second grounding surface and the fourth grounding surface is respectively vertically connected with the edge at the near end of the first grounding surface and the fifth grounding surface and extends in parallel towards the same direction by a hole/trough respectively; the other side thereof is vertically connected with the third grounding surface; the signal transmission element passes through the hole/trough of the second grounding surface and the fourth grounding surface and is vertical to the second grounding surface; furthermore, two sides of the signal transmission element are respectively connected with the radiation conductor; the signal feed-in wire comprises a central conductor and an external conductor layer; the central conductor is connected with the signal transmission element; and the external conductor layer is connected with the third grounding surface. The array antenna can reduce the interference of the leakage energy of the signal transmission element on the antenna radiation field type so as to reduce the overflow of the side lobe energy and improve the intensity of the antenna radiation.
Description
[technical field]
The invention relates to a kind of array antenna, particularly about a kind of excessive loosing of minor lobe energy of simplifying processing procedure and reducing the aerial radiation field pattern to improve the array antenna of antenna radiation performance.
[background technology]
Existing ground plane array antenna is to adopt board joint ground and square on it configuration radiation conductor; Be to connect between radiation conductor with the signal transfer element; The feed-in line that possesses center conductor and outer contact just is responsible for high-frequency signals is conveyed in the array antenna; And center conductor is connected with the signal transfer element, outer contact then is connected with ground plane.
High-frequency signals has the energy leakage of part in the signal transfer element; Cause the loss of energy; Simultaneously because the signal transfer element of existing ground plane array antenna and the same side that the aerial radiation conductor all is positioned at ground plane, this leaks the radiation pattern that signal also can potato masher antenna, causes the minor lobe energy increase in the aerial radiation field pattern; And according to conservation of energy principle, the increase of minor lobe energy will make the primary radiation lobe signal strength of array antenna reduce.In addition; When the hypertelorism of signal transfer element and ground plane can cause the input impedance of antenna too big and be difficult to reach the impedance matching of antenna; So existing ground plane array antenna all bends the signal transfer element and makes it near ground plane, thereby the transfer impedance that reduces the signal transfer element reaches the impedance matching purpose.
Should be with respect to the signal transfer element near the design of ground plane, the radiation signal efficient of this array antenna will improve when the distance between radiation conductor and ground plane is big more, easy speech, whole radiation signal gain will improve.
Because radiation conductor is connected one with the signal transfer element; But the distance to ground plane is under the situation that fails to agree; Will cause radiation conductor and signal transfer element must be positioned on the different height; This will cause the degree of difficulty in the making, also will cause the impedance of array antenna to be difficult to adjustment, coupling, thereby reduce the product stability and improve production cost.In addition, in array antenna, if the spacing of two radiation conductors also can cause isolation decline between two radiation conductors, that is have the interference generation mutually too small, thereby influences the radiation pattern of antenna.
[summary of the invention]
The purpose of this invention is to provide a kind of array antenna, can reduce the signal transfer element and leak the interference of energy, loose, improve the intensity of aerial radiation to reduce overflowing of minor lobe energy for the aerial radiation field pattern.
Another object of the present invention provides a kind of array antenna, can simplify processing procedure, be easy to adjust the impedance of array antenna, to improve the product stability and to reduce production costs.
Another purpose of the present invention provides a kind of array antenna, can increase the isolation between the radiation conductor, and the interference between making mutually reduces, with the primary radiation lobe energy of Add Radial type.
In order to achieve the above object, the present invention provides a kind of array antenna, it is characterized in that: comprising:
The plural number ground plane; It comprises first ground plane, second ground plane, the 3rd ground plane, the 4th ground plane and the 5th ground plane; Wherein first ground plane and the 5th ground plane are positioned at same plane; Second ground plane and the 4th ground plane are vertically connected at first ground plane and the 5th ground plane respectively and extend along same direction, and the 3rd ground plane is vertically connected at second ground plane and the 4th ground plane, and second ground plane and the 4th ground plane are respectively equipped with a hole;
The signal transfer element, it passes through the hole that is positioned at second ground plane and the 4th ground plane and perpendicular to second ground plane;
First radiation conductor, it is connected in an end of signal transfer element and is parallel to first ground plane;
Second radiation conductor, it is connected in the other end of signal transfer element and is parallel to the 5th ground plane; And
Signal feed-in line, it comprises center conductor and outer contact, and center conductor is connected in the signal transfer element, and outer contact is connected in the 3rd ground plane.
The present invention also provides a kind of array antenna, it is characterized in that: comprising:
The plural number ground plane; It comprises first ground plane, second ground plane, the 3rd ground plane, the 4th ground plane and the 5th ground plane; Wherein first ground plane and the 5th ground plane are positioned at same plane; Second ground plane and the 4th ground plane are vertically connected at first ground plane and the 5th ground plane respectively and extend along same direction, and the 3rd ground plane is vertically connected at second ground plane and the 4th ground plane, and second ground plane and the 4th ground plane are respectively equipped with a groove;
The signal transfer element, it passes through the groove that is positioned at second ground plane and the 4th ground plane and perpendicular to second ground plane;
First radiation conductor, it is connected in an end of signal transfer element and is parallel to first ground plane;
Second radiation conductor, it is connected in the other end of signal transfer element and is parallel to the 5th ground plane; And
Signal feed-in line, it comprises center conductor and outer contact, and center conductor is connected in the signal transfer element, and outer contact is connected in the 3rd ground plane.
From the above; Array antenna of the present invention; Comprise: plural ground plane; Comprise five rectangular ground plane; Wherein first ground plane and the 5th ground plane roughly are positioned at same horizontal grounding face, second ground plane is connected with the edge-perpendicular of first ground plane and the 5th ground plane beeline respectively with the 4th ground plane and extend in the same direction, and two ground planes are approximate parallel and respectively be provided with a hole or groove, and the 3rd ground plane, and its relative both sides are connected with the edge-perpendicular of second ground plane with the 4th ground plane respectively; The signal transfer element passes through the hole or the groove of this second ground plane and the 4th ground plane, and vertical with second ground plane; Two radiation conductors, for rectangular configuration and be connected in the both sides of signal transfer element, and radiation conductor is rough parallel with first ground plane; And signal feed-in line, comprising center conductor and outer contact, this center conductor is connected with the signal transfer element, and outer contact is connected with the 3rd ground plane.
Because passing through hole or groove and the two ends of this second ground plane and the 4th ground plane, the signal transfer element is connected radiation conductor; Therefore the signal transfer element will be surrounded by second ground plane, the 3rd ground plane and the 4th ground plane; Thereby make energy that the signal transfer element leaks to be surrounded and reduce influence, thereby reduce the minor lobe energy leakage and improve the gain of radiation signal by second ground plane, the 3rd ground plane and the 4th ground plane to radiation pattern; And, just can let the signal transfer element near the 3rd ground plane when radiation conductor during away from first ground plane, therefore when taking into account antenna radiation efficiency, also can reach the purpose that is easy to adjust impedance matching.
Therefore in addition, radiation conductor is connected in the two ends of signal transfer element, is distinguished separatedly respectively by second ground plane, the 3rd ground plane and the 4th ground plane, can reduce the interference cases between radiation conductor.
Array antenna of the present invention more can comprise more than one reference column; This reference column is constituted with insulating material; Can place on first ground plane or the 5th ground plane or first ground plane and the 5th ground plane; Reach the purpose that supports radiation conductor, the signal transfer element of avoiding being connected with radiation conductor contacts with ground plane and destroys the usefulness of array antenna.
Array antenna of the present invention more can comprise with second ground plane approximate parallel and with six ground plane and seven ground plane of second ground plane towards equidirectional extension; The 6th ground plane is connected with first ground plane; And the 7th ground plane is connected with the 5th ground plane; This moment, second ground plane and the 6th ground plane surrounded a radiation conductor, the 4th ground plane and another radiation conductor of the 7th ground plane encirclement; Thereby make that the more concentrated and unlikely court of radiation efficiency of radiation conductor is excessive diffusing all around, so can significantly propose the more radiation gain of array antenna.
With reference to graphic, about aforementioned and other technology contents, characteristic and effect of the present invention, in the detailed description that clearly is presented on following preferred embodiment.
[description of drawings]
Fig. 1 is the stereogram of the array antenna of first embodiment of the invention.
Fig. 2 A is the explosive view of array antenna shown in Figure 1.
Fig. 2 B is the stereogram of the signal feed-in line of array antenna among Fig. 2 A.
Fig. 2 C is the profile of the signal feed-in line of Fig. 2 B.
Fig. 3 is the stereogram of the variation of first embodiment of the invention, and wherein array antenna comprises a pair of reference column in addition.
Fig. 4 is the stereogram of another variation of first embodiment of the invention, and wherein the array antenna of Fig. 3 comprises a pair of ground plane in addition.
Fig. 5 returns loss figure for array antenna shown in Figure 1.
Fig. 6 is the radiation pattern figure of array antenna shown in Figure 1.
Fig. 7 A is the stereogram of the array antenna of second embodiment of the invention, and wherein two grooves extend in the same direction.
Fig. 7 B is another stereogram of the array antenna of second embodiment of the invention, and wherein two grooves extend in the opposite direction.
Fig. 8 is the stereogram of the variation of second embodiment of the invention, and wherein array antenna comprises a pair of reference column in addition.
Fig. 9 is the stereogram of another variation of second embodiment of the invention, and wherein the array antenna of Fig. 8 comprises a pair of ground plane in addition.
[embodiment]
Consult Fig. 1,2A, be the stereogram and the explosive view of first embodiment of the invention array antenna, array antenna 100 comprises: plural ground plane 1, signal transfer element 2, two radiation conductors 3 and signal transmission line 4.
See also Fig. 1,2B, 2C, signal feed-in line 4, by interior center conductor 41, first insulating barrier 42, outer contact 43 and second insulating barrier 44 of comprising in regular turn outward, center conductor 41 is connected with signal transfer element 2, and outer contact 43 is connected with the 3rd ground plane 13.
In the array antenna of first embodiment of the invention; When radiation conductor 3 during away from first ground plane 11; Not only strengthened the distance of 1 of radiation conductor 3 and ground plane; Can let signal transfer element 2 near the 3rd ground plane 13 in addition, therefore when taking into account antenna radiation efficiency, also can reach the purpose that is easy to adjust impedance matching; The energy that leaks of signal transfer element 2 can be surrounded and reduces the influence of the radiation pattern that radiation conductor 3 is produced by second ground plane 12, the 3rd ground plane 13 and the 4th ground plane 14 in addition, thereby reduces the minor lobe energy leakage and improve the gain of radiation signal.
In addition, radiation conductor 3 is connected in the two ends of signal transfer element 2, is distinguished separatedly respectively by second ground plane 12, the 3rd ground plane 13 and the 4th ground plane 14, therefore can reduce radiation conductor 3 interference cases to each other.
With reference to figure 3; The array antenna 100 of first embodiment of the invention more can comprise more than one reference column 5; This reference column 5 is constituted with insulating material; Can place 32 of 31 of first ground plane 11 and first radiation conductors, the 5th ground plane 15 and 32 of second radiation conductors, first ground plane 11 and 31 of first radiation conductors or the 5th ground plane 15 and second radiation conductors; Reach the purpose that supports first radiation conductor 31 or second radiation conductor 32, second ground plane 12 in the signal transfer element of avoiding being connected with radiation conductor 32 and the ground plane 1 or the 4th ground plane 14 contact and destroy the usefulness of array antenna 100.
With reference to figure 4; The array antenna 100 of first embodiment of the invention more can comprise parallel with second ground plane 12 and with six ground plane 16 and seven ground plane 17 of second ground plane 12 towards equidirectional extension; The 6th ground plane 16 is connected with first ground plane 11; And the 7th ground plane 17 is connected with the 5th ground plane 15; This moment second ground plane 12 surround first radiation conductor 31 with the 6th ground plane 16, the 4th ground plane 14 surrounds second radiation conductor 32 with the 7th ground plane 17, thereby make around the more concentrated and unlikely court of radiation efficiency of radiation conductor 3 excessive diffusing, so can significantly propose the more radiation gain of array antenna 100.
In the first embodiment of the present invention, the length and width of first ground plane 11, the 3rd ground plane 13 and the 5th ground plane 15 is the rectangular metal sheet of 5cm approximately; Second ground plane 12 and the 4th ground plane 14 are about the rectangular metal sheet of long 5cm, high 1cm, even if the 6th ground plane 16 and the 7th ground plane 17 also are the sizes with second ground plane 12; Signal transfer element 2 is about the sheet metal of the wide 0.5cm of long 4.5cm; Radiation conductor 3 is about the rectangular metal sheet of long 4.5cm, wide 3.5cm.Under the combination of this project organization; It is as shown in Figure 5 that it returns loss (Return loss) metric data; Its antenna bandwidth is under 2: 1 definition of VSWR; (3300～4350MHz), its frequency range can be contained wideband radio access technology (WiMAX) band system band (3300～3800MHz) easily can to reach 1050MHz.
Fig. 6 is the radiation pattern figure of the radiance of the radiation conductor 3 of demonstration first embodiment of the invention array antenna 100; The maxgain value of wherein primary radiation lobe can reach 11.5dBi (being defined in 0 degree angle); And the gain of minor lobe is about-2.5dBi; Therefore the gain (being about 10dBi) of its maximum gain general 1x2 array antenna can reach the purpose of high-gain for high; And minor lobe position accurate (Side-lobe level) can reach 14dB, and also the 10dB than general 1x2 array antenna is good.
Consult Fig. 7 A, 7B is the stereogram of second embodiment of the invention array antenna, and array antenna 100 comprises: plural ground plane 1, signal transfer element 2, two radiation conductors 3 and signal transmission line 4.And be in different with first embodiment is positioned at second ground plane 12 and the 4th ground plane 14 in first embodiment hole 121,141 changes groove 122,142 into; Under this design concept; Not only ground plane 1 can be by single sheet metal processing procedure; Signal transfer element 2 and two radiation conductors 3 also can be simplified processing procedure whereby by single sheet metal processing procedure, be easy to adjust the impedance of array antenna, thereby improve the product stability and reduce production costs.The opening direction of groove 122,142 and the 3rd ground plane are approximate parallel, and extend in the same direction or extend towards the inequality direction and all can.
With reference to figure 8; The array antenna 100 of second embodiment of the invention also can more comprise more than one reference column 5 like first embodiment; Can place on first ground plane 11 or the 5th ground plane 15 or first ground plane 11 and the 5th ground plane 15; Reach the purpose that supports radiation conductor 3, the signal transfer element of avoiding being connected with radiation conductor 32 contacts with ground plane 1 and destroys the usefulness of array antenna 100.
With reference to figure 9; The array antenna 100 of second embodiment of the invention also can as first embodiment more comprise approximate parallel with second ground plane 12 and with six ground plane 16 and seven ground plane 17 of second ground plane 12 towards equidirectional extension; The 6th ground plane 16 is connected with first ground plane 11; And the 7th ground plane 17 is connected with the 5th ground plane 15; This moment second ground plane 12 surround a radiation conductor 31 with the 6th ground plane 16, the 4th ground plane 14 surrounds a radiation conductor 32 with the 7th ground plane 17, thereby make around the more concentrated and unlikely court of radiation efficiency of radiation conductor 3 excessive diffusing, so can significantly propose the more radiation gain of array antenna 100.
Yet; The above person is merely preferred embodiment of the present invention, when not limiting the scope that the present invention implements with this; Simple impartial the variation and modification that is promptly done according to claim of the present invention and description of the invention content generally all should still belong to the scope that the present invention is contained.
[component symbol explanation]
The 100-array antenna
The 1-ground plane
The 11-first ground plane 12-second ground plane
13-the 3rd ground plane 14-the 4th ground plane
15-the 5th ground plane 16-the 6th ground plane
17-the 7th ground plane 121,141-hole
122,142-groove
2-signal transfer element
The 3-radiation conductor
The 31-first radiation conductor 32-second radiation conductor
The 4-signal transmission line
41-center conductor 42-first insulating barrier
43-outer contact 44-second insulating barrier
The 5-reference column
Claims (12)
1. array antenna; Comprise a plurality of ground planes; This ground plane comprises first ground plane, second ground plane, the 3rd ground plane, the 4th ground plane and the 5th ground plane; It is characterized in that: first ground plane and the 5th ground plane are positioned at same plane; Second ground plane and the 4th ground plane are vertically connected at first ground plane and the 5th ground plane respectively and extend along same direction, and the 3rd ground plane is vertically connected at second ground plane and the 4th ground plane, and second ground plane and the 4th ground plane are respectively equipped with a hole; The signal transmission assembly, it passes through the hole that is positioned at second ground plane and the 4th ground plane and perpendicular to second ground plane; First radiation conductor, it is connected in an end of signal transmission assembly and is parallel to first ground plane; Second radiation conductor, it is connected in the other end of signal transmission assembly and is parallel to the 5th ground plane; And signal feed-in line, it comprises center conductor and outer contact, and center conductor is connected in the signal transmission assembly, and outer contact is connected in the 3rd ground plane.
2. array antenna as claimed in claim 1 is characterized in that, more comprises a reference column, is located between first radiation conductor and first ground plane.
3. array antenna as claimed in claim 1 is characterized in that, more comprises a reference column, is located between second radiation conductor and the 5th ground plane.
4. array antenna as claimed in claim 1 is characterized in that, the junction of said center conductor and signal transmission assembly is between second ground plane and the 4th ground plane.
5. array antenna as claimed in claim 1 is characterized in that, more comprises: the 6th ground plane, and it is vertically connected at first ground plane, and the 7th ground plane, and it is vertically connected at the 5th ground plane; Wherein the 6th ground plane and the 7th ground plane all are parallel to second ground plane and extend along same direction.
6. array antenna; Comprise a plurality of ground planes; This ground plane comprises first ground plane, second ground plane, the 3rd ground plane, the 4th ground plane and the 5th ground plane; It is characterized in that first ground plane and the 5th ground plane are positioned at same plane, second ground plane and the 4th ground plane are vertically connected at first ground plane respectively and the same direction of the 5th ground plane and edge is extended; The 3rd ground plane is vertically connected at second ground plane and the 4th ground plane, and second ground plane and the 4th ground plane are respectively equipped with a groove; The signal transmission assembly, it passes through the groove that is positioned at second ground plane and the 4th ground plane and perpendicular to second ground plane; First radiation conductor, it is connected in an end of signal transmission assembly and is parallel to first ground plane; Second radiation conductor, it is connected in the other end of signal transmission assembly and is parallel to the 5th ground plane; And signal feed-in line, it comprises center conductor and outer contact, and center conductor is connected in the signal transmission assembly, and outer contact is connected in the 3rd ground plane.
7. array antenna as claimed in claim 6 is characterized in that, more comprises a reference column, is located between first radiation conductor and first ground plane.
8. array antenna as claimed in claim 6 is characterized in that, more comprises a reference column, is located between second radiation conductor and the 5th ground plane.
9. array antenna as claimed in claim 6 is characterized in that: the junction of said center conductor and signal transmission assembly is between second ground plane and the 4th ground plane.
10. array antenna as claimed in claim 6 is characterized in that, more comprises: the 6th ground plane, and it is vertically connected at first ground plane, and the 7th ground plane, and it is vertically connected at the 5th ground plane; Wherein the 6th ground plane and the 7th ground plane all are parallel to second ground plane and extend along same direction.
11. array antenna as claimed in claim 6 is characterized in that, said groove is parallel with the 3rd ground plane, and extends in the same direction.
12. array antenna as claimed in claim 6 is characterized in that, said groove is parallel with the 3rd ground plane, and extends in the opposite direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101360269A CN101345350B (en) | 2007-07-10 | 2007-07-10 | Array antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101360269A CN101345350B (en) | 2007-07-10 | 2007-07-10 | Array antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101345350A CN101345350A (en) | 2009-01-14 |
| CN101345350B true CN101345350B (en) | 2012-05-16 |
Family
ID=40247282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101360269A Expired - Fee Related CN101345350B (en) | 2007-07-10 | 2007-07-10 | Array antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101345350B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6236367B1 (en) * | 1998-09-25 | 2001-05-22 | Deltec Telesystems International Limited | Dual polarised patch-radiating element |
| CN1870349A (en) * | 2005-05-23 | 2006-11-29 | 环隆电气股份有限公司 | Planar Inverted-F Antenna |
-
2007
- 2007-07-10 CN CN2007101360269A patent/CN101345350B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6236367B1 (en) * | 1998-09-25 | 2001-05-22 | Deltec Telesystems International Limited | Dual polarised patch-radiating element |
| CN1870349A (en) * | 2005-05-23 | 2006-11-29 | 环隆电气股份有限公司 | Planar Inverted-F Antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101345350A (en) | 2009-01-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10965020B2 (en) | Antenna device | |
| US8502747B2 (en) | Dipole antenna assembly | |
| EP3361570B1 (en) | Split ring resonator antenna | |
| CN101562277B (en) | Printed antenna | |
| CN103441340A (en) | Half-mode substrate integrated waveguide leaky-wave antenna for variable polarization and frequency scanning | |
| US10483656B2 (en) | Dual-notch antenna and antenna array thereof | |
| US20180026375A1 (en) | Folding Dipole Antenna, Wireless Communication Module and Method of Constructing The Same | |
| KR20160069484A (en) | An assembly of circuit boards and electronic device comprising said assembly | |
| CN204156084U (en) | dual polarized antenna | |
| CN203895598U (en) | High-gain double-frequency array antenna | |
| TWI654797B (en) | Dual notch antenna and antenna array thereof | |
| CN101345350B (en) | Array antenna | |
| JP5581245B2 (en) | Patch antenna | |
| CN201185225Y (en) | Antenna device | |
| US11877399B2 (en) | Printed circuit board assembly and base station antenna | |
| KR101974688B1 (en) | Dipole espar antenna | |
| CN101494314B (en) | Antenna structure | |
| CN101114735A (en) | Array antenna capable of reducing side wave beam reference level | |
| KR100986190B1 (en) | Coaxial Connector Conversion Structure | |
| KR101294627B1 (en) | Low Loss Transition with Multi-Bend Waveguide | |
| KR20100072695A (en) | Slot atenna with stubs | |
| US20100188293A1 (en) | Plane Antenna | |
| CN104733838A (en) | Antenna structure and wireless communication device with same | |
| CN217983645U (en) | Coaxial structure array antenna applied to 4G and 5G outdoor small base stations | |
| CN221126250U (en) | Dual polarized antenna, array antenna and communication device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120516 Termination date: 20140710 |
|
| EXPY | Termination of patent right or utility model |