CN213936552U - Integrated dielectric lens antenna - Google Patents
Integrated dielectric lens antenna Download PDFInfo
- Publication number
- CN213936552U CN213936552U CN202120271962.6U CN202120271962U CN213936552U CN 213936552 U CN213936552 U CN 213936552U CN 202120271962 U CN202120271962 U CN 202120271962U CN 213936552 U CN213936552 U CN 213936552U
- Authority
- CN
- China
- Prior art keywords
- dielectric lens
- slot
- dielectric
- integrated
- groove
- 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.)
- Active
Links
Images
Abstract
The utility model discloses an integrated medium lens antenna, including mount pad, the radiating element who is used for radiating the electromagnetic wave and the medium lens who is used for improving the electromagnetic wave gain, the mount pad is equipped with the draw-in groove, medium lens installs in the draw-in groove, the mount pad still includes the bottom plate, the draw-in groove is located the bottom plate top, the bottom plate has seted up logical groove, the radiating element card is established in the logical groove; the projection of the radiation unit on the horizontal plane is completely overlapped or partially overlapped with the projection of the medium lens on the horizontal plane. This scheme is in the same place mount pad, radiating element and dielectric lens integration, and holistic connection structure is comparatively stable, has rationally utilized the space of mount pad for radiating element and dielectric lens can realize the compactification in narrower space, and the installation volume is less, and simple structure integrates the degree higher, and manufacturing cost is lower relatively, and accommodation is wide, still has better gain effect to the electromagnetic wave simultaneously.
Description
Technical Field
The utility model relates to the technical field of antennas, especially, relate to an integrated form dielectric lens antenna.
Background
As society develops, the demand for wireless communication is increasing, and an antenna, as a tool capable of emitting electromagnetic waves, is widely used in the communication field, and the type of the antenna includes an antenna assembled by a lens and a radiation unit, and has become a research hotspot in recent years because the antenna can improve the gain effect of the electromagnetic waves.
However, the existing lens antenna is low in integration degree, the antenna and the lens are two independent parts, and additional components need to be configured to assemble and use the antenna and the lens after being installed respectively, so that a large installation space needs to be occupied during installation, the whole structure is relatively complex, and the production cost is correspondingly increased.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing an integrated form dielectric lens antenna, it is low to aim at solving current lens antenna and integrate the degree, technical problem that the structure is comparatively complicated.
In order to achieve the above object, the present invention provides an integrated dielectric lens antenna, including a mounting base, a radiation unit for radiating electromagnetic waves, and a dielectric lens for improving gain of electromagnetic waves, wherein the mounting base is provided with a slot, the dielectric lens is installed in the slot, the mounting base further includes a bottom plate, the slot is located above the bottom plate, the bottom plate is provided with a through slot, and the radiation unit is clamped in the through slot;
the projection of the radiation unit on the horizontal plane is completely overlapped or partially overlapped with the projection of the medium lens on the horizontal plane.
Preferably, the radiation unit includes a radio frequency connector, a microstrip feeder, a metal floor, a short-circuit probe, a radiation patch and a dielectric substrate, the radio frequency connector is connected to the metal floor, a gap is formed in the metal floor, the microstrip feeder is located in the gap, two ends of the microstrip feeder are respectively connected to the radio frequency connector and the short-circuit probe, an upper end of the short-circuit probe is connected to the radiation patch, the dielectric substrate is located above the metal floor, a receiving groove is formed in the dielectric substrate, and the short-circuit probe and the radiation patch are both located in the receiving groove.
Preferably, the height of the short circuit probe is consistent with the thickness of the dielectric substrate, so that the top surface of the short circuit probe, the surface of the radiation patch and the surface of the dielectric substrate are all on the same horizontal line.
Preferably, the center of the radiation patch and the center of the dielectric lens are on the same vertical line.
Preferably, the through slots include a first through slot and a second through slot, the first through slot is located above the second through slot, the radiating unit is clamped in the second through slot, a length L1 of the first through slot is less than a length L2 of the second through slot, and a width W1 of the first through slot is less than a width W2 of the second through slot.
Preferably, the thickness of the radiation unit is less than or equal to the depth of the second through groove.
Preferably, the dielectric lens is a solid sphere and is made of a well-known uniform insulating material.
Preferably, the dielectric lens is a solid sphere, and the dielectric lens is made of multiple layers of insulating materials having different dielectric constants.
Preferably, the central line of the dielectric lens divides the dielectric lens into a first area and a second area which are arranged up and down, and the range of the dielectric lens clamped in the clamping groove does not exceed the second area.
Preferably, the radius of the dielectric lens is 20-30 mm.
The utility model relates to an integrated form dielectric lens antenna has following beneficial effect: the mounting seat, the radiation unit and the dielectric lens are integrated together, the whole connecting structure is stable, the space of the mounting seat is reasonably utilized, the radiation unit and the dielectric lens can be compacted in a narrow space, the mounting volume is small, the structure is simple, the integration degree is high, the manufacturing cost is relatively low, the application range is wide, and meanwhile, a good gain effect is achieved on electromagnetic waves.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic diagram of an explosion structure of an embodiment of an integrated dielectric lens antenna according to the present invention;
fig. 2 is a cross-sectional view of the integrated dielectric lens antenna of the present invention;
fig. 3 is a schematic structural diagram of the integrated dielectric lens antenna of the present invention;
fig. 4 is a schematic structural diagram of a radiating element of an integrated dielectric lens antenna according to the present invention;
fig. 5 is a top view of the radiating element of the integrated dielectric lens antenna of the present invention;
fig. 6 is a schematic structural diagram of a radiating element of an integrated dielectric lens antenna according to the present invention;
fig. 7 is a bottom view of the mounting base of the integrated dielectric lens antenna of the present invention;
fig. 8 is a projection view of the integrated dielectric lens antenna of the present invention;
fig. 9 shows a radiation pattern of the integrated dielectric lens antenna of the present invention.
In the drawings: 1-mounting seat, 11-card slot, 12-bottom plate, 121-through slot, 1211-first through slot, 1212-second through slot, 2-radiating element, 21-radio frequency connector, 22-microstrip feeder, 23-metal floor, 231-slot, 24-short circuit probe, 25-radiating patch, 26-dielectric substrate, 261-accommodating slot, 3-dielectric lens, 31-first region and 32-second region.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications such as up, down, left, right, front, and back … … are provided in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture as shown in the drawings, and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1 to 9, an integrated dielectric lens antenna includes a mounting base 1, a radiation unit 2 for radiating electromagnetic waves, and a dielectric lens 3 for improving gain of electromagnetic waves, where the mounting base 1 is provided with a card slot 11, the dielectric lens 3 is installed in the card slot 11, the mounting base 1 further includes a bottom plate 12, the card slot 11 is located above the bottom plate 12, the bottom plate 12 is provided with a through slot 121, and the radiation unit 2 is clamped in the through slot 121;
the projection of the radiation unit 2 on the horizontal plane is completely or partially overlapped with the projection of the dielectric lens 3 on the horizontal plane.
Specifically, the antenna in this scheme is in the same place mount pad 1, radiating element 2 and dielectric lens 3 integration, and connection structure is comparatively stable, has rationally utilized the space of mount pad 1 for radiating element 2 and dielectric lens 3 can realize the compactification in narrower space, and the installation volume is less. The mounting base 1 is mainly used for mounting other parts such as the radiation unit 2 and the dielectric lens 3, a clamping groove 11 is formed in the middle of the mounting base 1, the dielectric lens 3 is clamped in the clamping groove 11, a bottom plate 12 is arranged at the bottom of the mounting base 1, and a through groove 121 is formed in the bottom plate 12. The radiation unit 2 is arranged in the through groove 121, and the gain effect is better after the electromagnetic waves radiated by the radiation unit 2 pass through the dielectric lens 3. A certain distance is reserved between the bottom of the dielectric lens 3 and the top of the radiation unit 2, and the specific distance is about 1.5mm, so that the dielectric lens can be adjusted adaptively. After the whole integrated lens antenna is projected on a horizontal plane from top to bottom, the radiation unit 2 and the dielectric lens 3 can be overlapped or partially overlapped, so that the function of the antenna is realized.
In this embodiment, the shape of the mounting base 1 is preferably cylindrical, and in the other embodiments, the shape of the mounting base 1 can be adaptively adjusted, and the material of the mounting base 1 is a non-metal material, which does not affect the radiation effect of the radiation unit 2. In this embodiment, the bottom plate 12 extends to the periphery of the mounting base 1 to form an edge, and a plurality of through holes for mounting bolts can be formed in the edge, so that the integrated dielectric lens antenna is convenient to mount when the integrated dielectric lens antenna needs to be mounted on other components. The radiation unit 2 and the dielectric lens 3 need to be located on the same vertical line, so that the electromagnetic waves radiated by the radiation unit 2 can be converted and collected by the dielectric lens 3. Integrated form dielectric lens antenna in this scheme, simple structure integrates the degree higher, and manufacturing cost is lower relatively, and accommodation is wide, if can be applicable to fields such as millimeter wave sensor, all can be used in trades such as parking area system, ETC, entrance guard, security protection.
Further, the radiation unit 2 includes a radio frequency connector 21, a microstrip feeder 22, a metal floor 23, a short-circuit probe 24, a radiation patch 25 and a dielectric substrate 26, the radio frequency connector 21 is connected to the metal floor 23, the metal floor 23 is provided with a slot 231, the microstrip feeder 22 is located in the slot 231, two ends of the microstrip feeder 22 are respectively connected to the radio frequency connector 21 and the short-circuit probe 24, an upper end of the short-circuit probe 24 is connected to the radiation patch 25, the dielectric substrate 26 is located above the metal floor 23, the dielectric substrate 26 is provided with an accommodating groove 261, and the short-circuit probe 24 and the radiation patch 25 are both located in the accommodating groove 261.
It can be understood that the above structure is a specific component of the radiation unit 2, the radiation unit 2 belongs to a coplanar waveguide microstrip antenna radiation unit 2, specifically, the radio frequency connector 21 is connected with a power line for providing a power supply required by the operation of the radiation unit 2, the microstrip feed line 22 is respectively connected with the radio frequency connector 21 and the short circuit probe 24, the microstrip feed line 22 is located on a plane where the metal floor 23 is located, the microstrip feed line 22 is located in a slot 231 etched from the metal floor 23, the microstrip feed line 22 and the slot 231 form a coplanar waveguide feed structure, and the size of the slot 231 is slightly larger than that of the microstrip feed line 22, so as to facilitate the installation and setting of the microstrip feed line 22. The short-circuit probe 24 is used for connecting the microstrip feed line 22 and the radiation patch 25, and transmitting the signal transmitted by the microstrip feed line 22 to the radiation patch 25 through the short-circuit probe 24 to transmit the electromagnetic wave signal. Holding tank 261 has been seted up at the middle part of medium base plate 26, and short circuit probe 24 and radiation patch 25 all are located holding tank 261. In the present embodiment, the metal floor 23 may be provided in a regular quadrangle structure having a side of 15 mm; the length of the microstrip feeder 22 may be set to 3mm, the width may be set to 0.45mm, the radio frequency connector 21 may specifically be a millimeter wave high frequency connector, the operating frequency thereof is 10-40GHz, and when the size of the dielectric lens 3 is adjusted, the components of the radiation unit 2 may be adaptively adjusted.
Further, the height of the shorting probe 24 is consistent with the thickness of the dielectric substrate 26, so that the top surface of the shorting probe 24, the surface of the radiation patch 25, and the surface of the dielectric substrate 26 are all on the same horizontal line. Specifically, the height of the shorting probe 24 is consistent with the thickness of the dielectric substrate 26, and may be set to be 0.813mm, in other embodiments, the parameter may be adaptively adjusted, and the gain effect of the electromagnetic wave radiated by the radiation unit 2 and the dielectric lens 3 may be ensured to be good under the condition of the thickness.
Further, the center of the radiation patch 25 and the center of the dielectric lens 3 are on the same vertical line. Specifically, when mounted, the center of the control radiation patch 25 and the center of the dielectric lens 3 are kept on the same vertical line, and the gain effect on electromagnetic waves can be improved; in practical design, the phase center of the radiation unit 2 and the center of the dielectric lens 3 are preferably located on the same axis in the vertical direction, and the radiation direction of the radiation unit 2 faces the center of the dielectric lens 3, so that the radiation pattern is perpendicular to the antenna floor, and the gain effect is good.
Further, the through slots 121 include a first through slot 1211 and a second through slot 1212, the first through slot 1211 is located above the second through slot 1212, the radiation unit 2 is clamped in the second through slot 1212, a length L1 of the first through slot 1211 is less than a length L2 of the second through slot 1212, and a width W1 of the first through slot 1211 is less than a width W2 of the second through slot 1212. The first through groove 1211 is located above the second through groove 1212, and the size of the first through groove 1211 is smaller than the size of the second through groove 1212, so that the radiation unit 2 can be conveniently clamped in the second through groove 1212, and the electromagnetic waves radiated by the radiation unit 2 can be radiated to the dielectric lens 3 through the first through groove 1211.
Further, the thickness of the radiation unit 2 is less than or equal to the depth of the second through groove 1212. It can be understood that the depth of the second through groove 1212 is set to be larger to facilitate the installation and replacement of the radiation unit 2, and when the user needs to adjust the radiation unit 2, since the thickness of the radiation unit 2 may be partially increased, when the thickness of the radiation unit 2 is increased, the replaced radiation unit 2 can still be continuously clamped inside the second through groove 1212.
Further, the dielectric lens 3 is a solid sphere, and the dielectric lens 3 is made of a well-known uniform insulating material. It can be understood that the dielectric lens 3 in the scheme can be spherical, the inside of the dielectric lens 3 is of a solid structure, when the dielectric lens is manufactured, after the solid dielectric lens 3 is manufactured by adopting an insulating material, only one material exists in the inside of the dielectric lens 3, the dielectric constant is kept consistent, the dielectric lens 3 in the scheme can be formed at one time, the manufacturing method is simple, the manufacturing cost is low, and the industrial production is facilitated. The radiation unit 2 obtains a beam with good directivity and gain effect after the radiation of the dielectric lens 3 after the millimeter wave is emitted from the surface of the dielectric lens 3. In the present embodiment, the dielectric lens 3 is preferably an insulating material having a dielectric constant of 2 to 3.5.
The insulating material can adopt photopolymer resin, red wax, ABS, PLA, nylon, PMI or ceramic and the like, when the medium lens 3 is manufactured, when the photopolymer resin is adopted to manufacture the medium lens 3, the 3D printing technology can be adopted to manufacture the medium lens 3, the manufacturing efficiency is higher, the raw material source is wide, the production and manufacturing cost is relatively lower, the strength and the aging resistance are better, and after the medium lens 3 is manufactured, the long service life of the medium lens can be ensured. The machining of the dielectric lens 3 can also be realized by using other materials or other manufacturing techniques such as machining, and the suitable manufacturing materials and machining techniques can be selected according to the requirements of the practical application.
Further, the dielectric lens 3 is a solid sphere, and the dielectric lens 3 is made of multiple layers of insulating materials having different dielectric constants. It can be understood that the dielectric lens 3 can be made of a single layer of uniform insulating material, or can be made of multiple layers of insulating materials with different dielectric constants, and the gain effect of the dielectric lens 3 with different dielectric constants is different from that of the dielectric lens 3 made of the uniform insulating material, and can be selected by a user according to the requirement.
Further, the central line of the dielectric lens 3 divides the dielectric lens 3 into a first area 31 and a second area 32 which are arranged up and down, and the range of the dielectric lens 3 clamped in the card slot 11 does not exceed the second area 32.
The mounting seat 1 is a supporting member for wrapping the dielectric lens 3, a part of the region of the dielectric lens 3 is located in the clamping groove 11 of the mounting seat 1, the central line of the dielectric lens 3 divides the dielectric lens 3 into a first region 31 and a second region 32, the first region 31 is arranged above the second region 32, when the integrated dielectric lens antenna is actually mounted, the range of the dielectric lens 3 clamped in the clamping groove 11 does not exceed the second region 32, namely does not exceed the central line of the dielectric lens 3, on one hand, the dielectric lens 3 can be structurally fastened, and on the other hand, the radiation performance of the integrated dielectric lens antenna is not affected.
Further, the radius of the dielectric lens 3 is 20-30 mm. The radius of the dielectric lens 3 is within the range of 20-30mm, so that the size of the integrated dielectric lens antenna can be relatively small, and the gain effect of the antenna is good in the range. As shown in fig. 9, when the radius of the dielectric lens 3 is 24mm, and the antenna operates at 24GHz, the 3dB beamwidth of the integrated dielectric lens antenna is 12.5 °, and the gain is 20 dbi.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. An integrated dielectric lens antenna is characterized by comprising a mounting seat (1), a radiation unit (2) used for radiating electromagnetic waves and a dielectric lens (3) used for improving gain of the electromagnetic waves, wherein the mounting seat (1) is provided with a clamping groove (11), the dielectric lens (3) is installed in the clamping groove (11), the mounting seat (1) further comprises a bottom plate (12), the clamping groove (11) is positioned above the bottom plate (12), the bottom plate (12) is provided with a through groove (121), and the radiation unit (2) is clamped in the through groove (121);
the projection of the radiation unit (2) on the horizontal plane is completely overlapped or partially overlapped with the projection of the medium lens (3) on the horizontal plane.
2. An integrated dielectric lens antenna according to claim 1, characterized in that the radiating element (2) comprises a radio frequency connector (21), a microstrip feed (22), a metal floor (23), a short-circuit probe (24), a radiating patch (25) and a dielectric substrate (26), the radio frequency connector (21) is connected with the metal floor (23), a gap (231) is formed in the metal floor (23), the microstrip feeder (22) is positioned in the gap (231), and both ends of the microstrip feeder line (22) are respectively connected with the radio frequency joint (21) and the short circuit probe (24), the upper end of the short-circuit probe (24) is connected with the radiation patch (25), the dielectric substrate (26) is positioned above the metal floor (23), and the medium substrate (26) is provided with an accommodating groove (261), and the short-circuit probe (24) and the radiation patch (25) are both positioned in the accommodating groove (261).
3. An integrated dielectric lens antenna as claimed in claim 2, wherein the height of the shorting probe (24) corresponds to the thickness of the dielectric substrate (26) such that the top surface of the shorting probe (24), the surface of the radiating patch (25) and the surface of the dielectric substrate (26) are all in the same horizontal line.
4. An integrated dielectric lens antenna according to claim 2, wherein the centre of the radiating patch (25) and the centre of the dielectric lens (3) are on the same vertical line.
5. An integrated dielectric lens antenna according to claim 1, wherein the through slots (121) comprise a first through slot (1211) and a second through slot (1212), the first through slot (1211) is located above the second through slot (1212), the radiating element (2) is clipped in the second through slot (1212), the length L1 of the first through slot (1211) is less than the length L2 of the second through slot (1212), and the width W1 of the first through slot (1211) is less than the width W2 of the second through slot (1212).
6. An integrated dielectric lens antenna according to claim 5, wherein the thickness of the radiating element (2) is less than or equal to the depth of the second through slot (1212).
7. An integrated dielectric lens antenna as claimed in claim 1, wherein the dielectric lens (3) is of solid spherical shape and the dielectric lens (3) is made of a well-known uniform dielectric material.
8. An integrated dielectric lens antenna according to claim 1, wherein the dielectric lens (3) is a solid sphere and the dielectric lens (3) is made of multiple layers of insulating materials with different dielectric constants.
9. An integrated dielectric lens antenna according to claim 7 or 8, wherein the central line of the dielectric lens (3) divides the dielectric lens (3) into a first region (31) and a second region (32) which are arranged up and down, and the range of the dielectric lens (3) clamped in the card slot (11) does not exceed the second region (32).
10. An integrated dielectric lens antenna according to claim 1, wherein the radius of the dielectric lens (3) is 20-30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120271962.6U CN213936552U (en) | 2021-01-29 | 2021-01-29 | Integrated dielectric lens antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120271962.6U CN213936552U (en) | 2021-01-29 | 2021-01-29 | Integrated dielectric lens antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213936552U true CN213936552U (en) | 2021-08-10 |
Family
ID=77159219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120271962.6U Active CN213936552U (en) | 2021-01-29 | 2021-01-29 | Integrated dielectric lens antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213936552U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116613544A (en) * | 2023-06-28 | 2023-08-18 | 北京星英联微波科技有限责任公司 | Compact high gain broadband lens antenna |
-
2021
- 2021-01-29 CN CN202120271962.6U patent/CN213936552U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116613544A (en) * | 2023-06-28 | 2023-08-18 | 北京星英联微波科技有限责任公司 | Compact high gain broadband lens antenna |
| CN116613544B (en) * | 2023-06-28 | 2024-02-23 | 北京星英联微波科技有限责任公司 | Compact high gain broadband lens antenna |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10749263B2 (en) | Printed circuit board mounted antenna and waveguide interface | |
| US7595756B2 (en) | Methods and apparatus for improving wireless communication by antenna polarization position | |
| JPH0685487B2 (en) | Dual antenna for dual frequency | |
| CN106688141A (en) | Omnidirectional antenna for mobile communication service | |
| CN108565539B (en) | Antenna and unmanned aerial vehicle | |
| BR102016028582A2 (en) | MULTIBAND MONOPOLY ANTENNA ASSEMBLY | |
| CN213936552U (en) | Integrated dielectric lens antenna | |
| CN108565540B (en) | Antenna and unmanned aerial vehicle | |
| CN102377016A (en) | High-gain loop array antenna system and electronic device with same | |
| CN108767436A (en) | Antenna and unmanned vehicle | |
| CN109560387B (en) | Millimeter wave dual-polarized antenna for mobile terminal | |
| JPH0955621A (en) | Array antenna | |
| US11374331B1 (en) | Base station antenna including Fabrey-Perot cavities | |
| CN112005435A (en) | Antenna for vehicle, window glass with antenna for vehicle, and antenna system | |
| CN108767435A (en) | Antenna and unmanned vehicle | |
| CN112436290A (en) | Dielectric lens, antenna and application thereof | |
| US20230066781A1 (en) | Antenna device | |
| JP2000068729A (en) | Directionally controlled antenna device, radio equipment and radio communication system using this device | |
| CN208637583U (en) | Antenna and unmanned vehicle | |
| CN209822872U (en) | Conformal dual-polarized antenna based on two-way differential power divider feed | |
| CN114639935A (en) | Lens antenna for realizing dual-polarized beam scanning | |
| JP3045522B2 (en) | Flush mount antenna | |
| JP2000341026A (en) | Antenna substrate and radio communication machine using same | |
| CN208507932U (en) | Antenna and unmanned vehicle | |
| CN111276824B (en) | Antenna structure and wireless communication device with same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |