CN209133688U - Antenna and wireless device - Google Patents
Antenna and wireless device Download PDFInfo
- Publication number
- CN209133688U CN209133688U CN201920060641.4U CN201920060641U CN209133688U CN 209133688 U CN209133688 U CN 209133688U CN 201920060641 U CN201920060641 U CN 201920060641U CN 209133688 U CN209133688 U CN 209133688U
- Authority
- CN
- China
- Prior art keywords
- aerial radiation
- radiation layer
- antenna
- feeding point
- medium substrate
- 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
Landscapes
- Waveguide Aerials (AREA)
Abstract
This application discloses a kind of antenna and wireless device, antenna includes medium substrate, aerial radiation layer and feeding point；Medium substrate includes the first surface and second surface mutually deviated from, and aerial radiation layer is laid on the first surface in rectangle, and there are feeding point join domain at the center of aerial radiation layer, feeding point is located in feeding point join domain；The width W of aerial radiation layer is 1/4 ± 10mm of wavelength corresponding to the first working frequency, and the length L of aerial radiation layer is 1/4 ± 10mm of wavelength corresponding to the second working frequency；The width of feeding point join domain is the 1/4 of the width of aerial radiation layer, and the length of feeding point join domain is the 1/4 of the length of aerial radiation layer.Wireless device, including the first operational module, the second operational module and antenna, the first operational module and the second operational module are using antenna as reception/transmitting antenna.The antenna and wireless device of the application can substantially reduce product size.
Description
Technical field
This application involves wireless communication technique field more particularly to a kind of antennas and wireless device.
Background technique
With the raising of scientific level, product more intelligence and controllableization, therefore more and more products are by wireless
Mechanics of communication and extraneous progress information exchange, and antenna is to receive signal and the transmitting essential device of signal.
In the related technology, identical product may be required to work in a variety of different frequency bands, receive different services, example
Such as WiFi, GPS.And under normal conditions, an antenna can only operate in a frequency band, it is therefore desirable to inside mobile terminal
Mutiple antennas is set simultaneously, not only will lead to product size expansion also will increase cost.
Utility model content
The embodiment of the present application provides a kind of antenna and wireless device, to solve the above problems.
The embodiment of the present application adopts the following technical solutions:
In a first aspect, the embodiment of the present application provides a kind of antenna, including medium substrate, aerial radiation layer and feed
Point；
The medium substrate includes the first surface and second surface mutually deviated from, and the aerial radiation layer is spread in rectangle
If on the first surface, there are feeding point join domain at the center of the aerial radiation layer, the feeding point is located at institute
It states in feeding point join domain；
The width W of the aerial radiation layer is 1/4 ± 10mm of wavelength corresponding to the first working frequency, the antenna spoke
The length L for penetrating layer is 1/4 ± 10mm of wavelength corresponding to the second working frequency；
The feeding point join domain is the rectangle by the aerial radiation layer scaled down, and the feeding point connects
The width in region is the 1/4 of the width of the aerial radiation layer, and the length of the feeding point join domain is the aerial radiation
The 1/4 of the length of layer.
Optionally, in above-mentioned antenna, using the center of the aerial radiation layer as origin O, it is parallel to the aerial radiation
The width W and length L of layer establish W axis and L axis respectively, form rectangular coordinate system WOL；
The feeding point is W in the range of the coordinate v of W axis1± 5mm, wherein W1Meet following equation (1):
In formula (1), W is the width of the aerial radiation layer, ξreMeet following equation (2):
In formula (2), εrFor the dielectric constant of the medium substrate, h is the thickness of medium substrate；
The feeding point is L in the range of the coordinate i of L axis1± 5mm, wherein L1Meet following equation (3):
In formula (3), L is the length of the aerial radiation layer, ξreMeet following equation (4):
In formula (4), εrFor the dielectric constant of the medium substrate, h is the thickness of medium substrate.
Optionally, in above-mentioned antenna, the range of the width W of the aerial radiation layer is m ± 5mm, and wherein m meets following
Formula (5):
In formula (5), c is the light velocity, f1For the first working frequency, εrFor the dielectric constant of the medium substrate.
Optionally, in above-mentioned antenna, the range of the length L of the aerial radiation layer is n ± 5mm, and wherein n meets following
Formula (6):
In formula (6), c is the light velocity, f2For the second working frequency, εeFor the effective dielectric constant of medium substrate, △ L is etc.
Imitate radiating slot length.
Optionally, in above-mentioned antenna, the permittivity ε of the medium substraterIt is 4.4, thickness h 3mm, the antenna
The width W of radiating layer is 33.6mm, and the length L of the aerial radiation layer is 46.8mm, and the feeding point is in WOL coordinate system
Coordinate is (5.8mm, 5.4mm).
It optionally, further include feed line in above-mentioned antenna, the feed line runs through the medium substrate, the feed
One end of line is connect with the feeding point, and the other end of the feed line is exposed by the second surface.
It optionally, further include antenna ground layer in above-mentioned antenna, the antenna ground layer is laid on the second surface
On, the antenna ground layer corresponds to the feeding point and offers evacuation region, and the feed line is exposed by the evacuation region, institute
State evacuation region and the feed line between there are clearance for insulations.
Optionally, in above-mentioned antenna, the diameter of the feed line is 1.2mm, and the shape in the evacuation region is circular hole
Shape, and the diameter in the evacuation region is 2.4mm.
Optionally, in above-mentioned antenna, the antenna ground layer is in the drop shadow spread of the aerial radiation layer and small
In the area of the aerial radiation layer.
Optionally, in above-mentioned antenna, the aerial radiation layer is paved with the first surface.
Optionally, in above-mentioned antenna, first working frequency is GPS working frequency, and second working frequency is
2.4GHz universal frequency.
Second aspect, the embodiment of the present application provide a kind of wireless device, including working in first working frequency
The second operational module and the antenna of first operational module, work in second working frequency, first work
Module and second operational module are using the antenna as reception/transmitting antenna.
Optionally, in above-mentioned wireless device, first operational module is GPS operational module, second Working mould
Block is 2.4GHz universal frequency operational module.
The embodiment of the present application use at least one above-mentioned technical solution can reach it is following the utility model has the advantages that
Antenna and wireless device disclosed in the embodiment of the present application by rationally be arranged aerial radiation layer length and width with
And the position of feeding point, it can be worked at the same time by same antenna radiating layer in two different working frequencies, thus substantially
Reduce product size, save the cost.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is the detonation configuration view of antenna disclosed in the embodiment of the present application；
Fig. 2 is the external view that antenna disclosed in the embodiment of the present application is obtained by first surface unilateral observation；
Fig. 3 is the external view that antenna disclosed in the embodiment of the present application is obtained by second surface unilateral observation；
Fig. 4 is the disclosed aerial radiation layer with feeding point join domain and WOL coordinate system of the embodiment of the present application
Virtual schematic diagram；
Fig. 5 is the return loss plot figure of antenna disclosed in the embodiment of the present application；
Fig. 6 is the characteristic impedance curve graph of antenna disclosed in the embodiment of the present application.
Description of symbols:
1- medium substrate, 10- first surface, 12- second surface, 2- aerial radiation layer, 20- feeding point join domain, 3-
Feeding point, 4- feed line, 5- antenna ground layer, 50- avoid region.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with the application specific embodiment and
Technical scheme is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the application one
Section Example, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall in the protection scope of this application.
Below in conjunction with attached drawing, the technical scheme provided by various embodiments of the present application will be described in detail.
The embodiment of the present application discloses a kind of antenna, as shown in Figure 1 to Figure 3, including medium substrate 1, aerial radiation layer 2 with
And feeding point 3.Medium substrate 1 is flake, has the first surface 10 and second surface 12 mutually deviated from, aerial radiation layer
2 be one layer of thin metal layer being laid on first surface 10, usually only with the thickness of micron level.Aerial radiation layer 2 can be with
It is arranged on first surface 10 using modes such as plating, layings, in the present embodiment with no restrictions.
In the present embodiment, the shape of aerial radiation layer 2 is rectangle, has width W and length L, aerial radiation layer 2
Width W and length L is required to be designed according to required working frequency.Specifically, it is assumed that antenna needs there are two tools
Working frequency, respectively the first working frequency and the second working frequency, then the width W of aerial radiation layer 2 is the first work frequency
1/4 ± 10mm of wavelength corresponding to rate, the length L of aerial radiation layer 2 be wavelength corresponding to the second working frequency 1/4 ±
10mm.Because the length L of rectangle is typically larger than width W, the first working frequency is usually above the second working frequency, such as the
One working frequency is universal frequency (2.4GHz), and the second working frequency is GPS working frequency (1575.42MHz).
The setting position of feeding point 3 influences whether the impedance of antenna at the operating frequencies, and then influences signal strength.In order to
The link position for enabling the antenna to work normally feeding point 3 and aerial radiation layer 2 in two working frequencies, the present embodiment needs
It is considered.Referring to fig. 4, in the present embodiment, there are feeding point join domains 20 (in figure at the center of aerial radiation layer 2
Dotted line surrounds region), which is a virtual region under normal conditions, can not be direct by product appearance
It observes, exists only in product design link.Feeding point 3 is located in the feeding point join domain 20.Feeding point join domain 20
For by the rectangle of 2 scaled down of aerial radiation layer, i.e., its length direction and width direction keep one with aerial radiation layer 2
It causes, and length and the ratio of width are also consistent with aerial radiation layer 2.Specifically, the width of feeding point join domain 20
It is the 1/4 of the width W of aerial radiation layer 2, while the length of feeding point join domain 20 is also the length L of aerial radiation layer 2
1/4。
The aerial radiation layer 2 of the technical solution of the embodiment of the present application can receive or send the first work on the direction width W
The electromagnetic wave of working frequency, and can receive or send the electromagnetic wave of the second working frequency on the direction of length L, to pass through
Same antenna radiating layer 2 works at the same time in two different working frequencies, has substantially subtracted miscellaneous goods size, has saved and be produced into
This.
Under normal conditions, in order to realize that preferable communication efficiency, antenna are preferably reached in the impedance value of relevant work frequency
50 Ω or so.In order to reach this purpose, the present embodiment can carry out more accurate calculating to the position of feeding point 3 and position.
Specifically, using the center of aerial radiation layer 2 as origin O, the width W and length L for being parallel to aerial radiation layer 2 establish W respectively
Axis and L axis are formed rectangular coordinate system WOL (referring to fig. 4).The specific location of feeding point 3 is with the coordinate in the WOL coordinate system
(v, i) is indicated, wherein v indicates feeding point 3 in the coordinate of W axis, and i indicates feeding point 3 in the coordinate of L axis.
Specifically, the range of v is W1± 5mm, wherein W1Meet following equation (1):
In formula (1), W is the width of aerial radiation layer 2, ξreMeet following equation (2):
In formula (2), εrFor the dielectric constant of the medium substrate, h is the thickness of medium substrate.
The range of i is L1± 5mm, wherein L1Meet following equation (3):
In formula (3), L is the length of aerial radiation layer 2, ξreMeet following equation (4):
In formula (4), εrFor the dielectric constant of the medium substrate, h is the thickness of medium substrate.
W can be accurately calculated by a series of above-mentioned formula1And L1, and the range of v and i, feeding point 3 are determined in turn
In the range 50 Ω can be in the characteristic impedance of the first working frequency and the second working frequency with basic guarantee antenna
Left and right, to have good communication efficiency.
On this basis, technical staff can also advanced optimize the position of feeding point 3 by simulation or other means, with
Further promote effect.
It, can also be further in the present embodiment in order to further enhance the position precision of feeding point 3 and the effect of antenna
Optimize the width W and length L of aerial radiation layer 2.Specifically, the width W of the aerial radiation layer 2 in the present embodiment can be by more
In the range of being precisely controlled in m ± 5mm, wherein m meets following equation (5):
In formula (5), c is the light velocity, f1For the first working frequency, εrFor the dielectric constant of the medium substrate.
The range of the length L of aerial radiation layer 2 is n ± 5mm, and wherein n meets following equation (6):
In formula (6), c is the light velocity, f2For the second working frequency, εeFor the effective dielectric constant of medium substrate, △ L is etc.
Imitate radiating slot length.Wherein, εeAnd △ L can be obtained by following equation or other means.Specifically,
ε in formula (6)eIt can be obtained by following equation (7):
△ L in formula (6) can be obtained by following equation (8):
Feeding point 3 is the connectivity port of feed circuit (not shown) Yu aerial radiation layer 2, it is therefore desirable to be connected with feed circuit
It connects.Theoretically, feed circuit directly can connect downwards feeding point 3, but this connection type meeting by the top of aerial radiation layer 2
Cause feed circuit to block aerial radiation layer 2, is easy to influence communication efficiency.
As shown in figures 1 and 3, feed line 4 can be added in inner antenna in the present embodiment, feed line 4 runs through medium base
One end of plate 1, feed line 4 is connect with feeding point 3, and the other end of feed line 4 is exposed by second surface 12.In this way, feed circuit
It can be connect by 12 side of second surface with feed line 4, and then be connected by feed line 4 and feeding point 3 and aerial radiation layer 2
It connects, so that feed circuit be avoided to block aerial radiation layer.
For antenna, also need to be arranged ground wire under normal conditions, therefore as shown in figures 1 and 3, in the present embodiment
Antenna may also include antenna ground layer 5, and antenna ground layer 5 is laid on second surface 12, the thickness of antenna ground layer, material with
And laying process can imitate aerial radiation layer 2.Since feed line 4 is exposed by second surface, in order to avoid feed line 4 with
Antenna ground layer 5 is electrically connected, and the antenna ground layer 5 in the present embodiment offers evacuation region 50 in the position of corresponding feeding point 3,
Feed line 4 is exposed by avoiding region 50, and avoids between region 50 and feed line 4 that there are clearance for insulations, i.e., therebetween not
It directly contacts or connects.
To the shape in evacuation region 50, there is no limit such as structures such as hole, notch, slot avoid area in the present embodiment
The shape and size in domain 50 can pass through the analog selection to antenna performance with the performance of antenna for main reference frame
Preferred version.
In the present embodiment, feed line 4 can use the wire of diameter 1.2mm, and evacuation region 50 can use circular hole
Shape structure can make to form a uniform annular space of circle between feed line 4 and evacuation region 50 in this way.The diameter of circular hole can use
2.4mm, the annular space width formed in this way is moderate, and effect is preferable.
In the present embodiment, in order to obtain better communication efficiency, the area of aerial radiation layer 2 can be paved with first as far as possible
Surface 10.And antenna ground layer 5 may be in the drop shadow spread of aerial radiation layer 2 and its area can be than aerial radiation layer 2
Area it is slightly smaller, be more conducive in this way improve antenna bandwidth of operation.
In the following, the present embodiment is right for working in the antenna of two working frequencies of GPS (1575.42MHz) and 2.4GHz
Its performance is verified.
The structure of antenna referring to Fig. 1 to Fig. 3, medium substrate 1 use dielectric constant for 4.4 circuit board plate material, medium base
Plate 1 is the rectangular tab of long 46.8mm, width 33.6mm, thickness 3mm.The aerial radiation of 35 μ m thicks is equipped on first surface 10
Layer 2 forms microstrip antenna, and the width W and length L and medium substrate 1 of aerial radiation layer 2 are consistent, i.e., aerial radiation layer 2 is paved with
First surface 10.The coordinate (v, i) of feeding point 3 is (5.8mm, 5.4mm).
Run through feed line 4 inside medium substrate 1, feed line 4 is the wire of diameter 1.2mm, and both ends extend through
To first surface 10 and second surface 12, and feed line 4 is in feeding point 3 in first surface 10 and connects.Second surface 12
Upper laying antenna ground layer 5, the material and thickness of antenna ground layer 5 and aerial radiation layer 2 are consistent, length 46.8mm, wide
Degree is 26.88mm, and second surface 12 is uniformly left white in the two sides of the width direction of antenna ground layer 5.It is corresponding on second surface 12
The position of feeding point 3 is provided with the evacuation region 50 of circle hole shape, and feed line 4 is exposed by the evacuation region 50.
Return loss test and characteristic impedance test are carried out to above-mentioned antenna, are respectively formed return loss plot figure (figure
And characteristic impedance curve graph (Fig. 6) 5).
It can be seen that, frequency range is (near m2 to m3) and 2.4GHz near 1575.42MHz from return loss plot figure
(in m5 to m6), the return loss of antenna is substantially to be lower than in the range of -10dB frequency range, therefore can satisfy the radiation of antenna
Performance requirement.
It can be seen that, it can get when the characteristic impedance of antenna is about 50 Ω or so to two works from characteristic impedance curve graph
The matched well performance of working frequency.Specifically, near 1575.42MHz, the characteristic impedance of highest point m1 can reach 48.4305
Ω, near 2.4GHz, the characteristic impedance of highest point m3 can reach 49.0136 Ω, at this point, antenna can be effectively by aerial electricity
Magnetostatic wave signal receives or the emission of radio frequency signals that transmitter exports is gone out.
In conclusion antenna provided by the embodiment of the present application can be worked well in two working frequencies, and energy
It is enough substantially to reduce product size, save the cost.
Antenna provided by the embodiment of the present application can be applied to tool, and there are two the Working moulds to work in different operating frequency
The wireless device of block, for example, having the first operational module and the second operational module the two operational modules in the equipment, wherein
The work of first operational module is in the first working frequency, and the second operational module works in the second working frequency, at this point, by the application
Antenna provided by embodiment is adjusted according to the first working frequency and the second working frequency to suitable dimension, the first operational module
And second operational module just can the antenna as reception/transmitting antenna, to save the inner space of wireless device.
The wireless device can with and be not limited to smartwatch, Intelligent bracelet, In-Ear Headphones, children's remote toy aircraft,
The equipment that remote controler, portable lamp, mobile terminal or intelligent wearable device etc. have very big demand to volume miniaturization.
Emphasis describes the difference between each embodiment, difference between each embodiment in the application foregoing embodiments
As long as optimization feature non-contradiction, can combine to form more preferably embodiment, it is contemplated that style of writing is succinct, then no longer superfluous at this
It states.
The above description is only an example of the present application, is not intended to limit this application.For those skilled in the art
For, various changes and changes are possible in this application.All any modifications made within the spirit and principles of the present application are equal
Replacement, improvement etc., should be included within the scope of the claims of this application.
Claims (13)
1. a kind of antenna, which is characterized in that including medium substrate, aerial radiation layer and feeding point；
The medium substrate includes the first surface and second surface mutually deviated from, and the aerial radiation layer is laid in rectangle
On the first surface, there are feeding point join domain at the center of the aerial radiation layer, the feeding point is located at the feedback
In electricity point join domain；
The width W of the aerial radiation layer is 1/4 ± 10mm of wavelength corresponding to the first working frequency, the aerial radiation layer
Length L be the second working frequency corresponding to wavelength 1/4 ± 10mm；
The feeding point join domain is the rectangle by the aerial radiation layer scaled down, and the feeding point join domain
Width be the aerial radiation layer width 1/4, the length of the feeding point join domain is the aerial radiation layer
The 1/4 of length.
2. antenna according to claim 1, which is characterized in that using the center of the aerial radiation layer as origin O, be parallel to
The width W and length L of the aerial radiation layer establish W axis and L axis respectively, form rectangular coordinate system WOL；
The feeding point is W in the range of the coordinate v of W axis1± 5mm, wherein W1Meet following equation (1):
In formula (1), W is the width of the aerial radiation layer, ξreMeet following equation (2):
In formula (2), εrFor the dielectric constant of the medium substrate, h is the thickness of medium substrate；
The feeding point is L in the range of the coordinate i of L axis1± 5mm, wherein L1Meet following equation (3):
In formula (3), L is the length of the aerial radiation layer, ξreMeet following equation (4):
In formula (4), εrFor the dielectric constant of the medium substrate, h is the thickness of medium substrate.
3. antenna according to claim 2, which is characterized in that the range of the width W of the aerial radiation layer is m ± 5mm,
Wherein m meets following equation (5):
In formula (5), c is the light velocity, f1For the first working frequency, εrFor the dielectric constant of the medium substrate.
4. antenna according to claim 3, which is characterized in that the range of the length L of the aerial radiation layer is n ± 5mm,
Wherein n meets following equation (6):
In formula (6), c is the light velocity, f2For the second working frequency, εeFor the effective dielectric constant of medium substrate, △ L is equivalent spoke
Penetrate gap length.
5. antenna according to claim 4, which is characterized in that the permittivity ε of the medium substraterIt is 4.4, thickness h is
3mm, the width W of the aerial radiation layer are 33.6mm, and the length L of the aerial radiation layer is 46.8mm, and the feeding point exists
Coordinate in WOL coordinate system is (5.8mm, 5.4mm).
6. antenna according to any one of claims 1 to 5, which is characterized in that further include feed line, the feed line runs through
The medium substrate, one end of the feed line are connect with the feeding point, and the other end of the feed line is by second table
It shows out.
7. antenna according to claim 6, which is characterized in that further include antenna ground layer, the antenna ground layer is laid with
On the second surface, the antenna ground layer corresponds to the feeding point and offers evacuation region, and the feed line is by described
It avoids region to expose, there are clearance for insulations between the evacuation region and the feed line.
8. antenna according to claim 7, which is characterized in that the diameter of the feed line is 1.2mm, the evacuation region
Shape be circular hole, and it is described evacuation region diameter be 2.4mm.
9. antenna according to claim 7, which is characterized in that the antenna ground layer is in the throwing of the aerial radiation layer
Area within the scope of shadow and less than the aerial radiation layer.
10. antenna according to any one of claims 1 to 5, which is characterized in that the aerial radiation layer is paved with described first
Surface.
11. antenna according to any one of claims 1 to 5, which is characterized in that first working frequency is logical for 2.4GHz
With frequency, second working frequency is GPS working frequency.
12. a kind of wireless device, which is characterized in that the first operational module, work including work in first working frequency
In the second operational module and the described in any item antennas of claim 1 to 11 of second working frequency, first work
Make module and second operational module using the antenna as reception/transmitting antenna.
13. wireless device according to claim 12, which is characterized in that first operational module is the general frequency of 2.4GHz
Rate operational module, second operational module are GPS operational module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920060641.4U CN209133688U (en) | 2019-01-14 | 2019-01-14 | Antenna and wireless device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920060641.4U CN209133688U (en) | 2019-01-14 | 2019-01-14 | Antenna and wireless device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209133688U true CN209133688U (en) | 2019-07-19 |
Family
ID=67250005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920060641.4U Active CN209133688U (en) | 2019-01-14 | 2019-01-14 | Antenna and wireless device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209133688U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109659685A (en) * | 2019-01-14 | 2019-04-19 | 欧普照明股份有限公司 | Antenna and wireless device |
-
2019
- 2019-01-14 CN CN201920060641.4U patent/CN209133688U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109659685A (en) * | 2019-01-14 | 2019-04-19 | 欧普照明股份有限公司 | Antenna and wireless device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210443665U (en) | Radiating unit with 880-960MHz band filtering characteristic and base station antenna | |
| CN205122771U (en) | Microstrip antenna | |
| WO2021093684A1 (en) | Electronic device | |
| CN106356619A (en) | Wide-band and high-gain WiFi (Wireless Fidelity) omnidirectional antenna | |
| CN108155467A (en) | A kind of mimo antenna based on F-P cavity | |
| CN106450752A (en) | MIMO antenna for reaching high isolation for smart mobile phones | |
| CN209133688U (en) | Antenna and wireless device | |
| CN109659685A (en) | Antenna and wireless device | |
| CN206022633U (en) | A kind of portable multi-function satellite communication antena | |
| CN107978854A (en) | A kind of duplexing filter antenna based on center short circuit T font resonator | |
| CN109687134A (en) | Circuit board structure and equipment | |
| US8872704B2 (en) | Integrated antenna and method for operating integrated antenna device | |
| CN207517870U (en) | A kind of duplexing filter antenna based on center short circuit T font resonator | |
| CN209133689U (en) | Circuit board structure and equipment | |
| WO2012171041A1 (en) | Multiple layer dielectric panel directional antenna | |
| CN110931962A (en) | High-isolation low-profile dual-polarized antenna applied to WLAN | |
| CN113690621B (en) | Miniaturized high efficiency bluetooth antenna based on multilayer PCB board | |
| CN209183725U (en) | A kind of antenna and the circuit board with the antenna | |
| CN205508998U (en) | Full frequency channel vehicle antenna | |
| CN209119323U (en) | A kind of 120 ° of orientation high-gain aerials | |
| CN211907687U (en) | All-in-one antenna and electronic equipment | |
| TWI487199B (en) | Dual-band antenna, mimo antenna device and dual-band wireless communication device | |
| CN103904418A (en) | Omnidirectional terminal antenna | |
| CN214542533U (en) | Embedded antenna in screen inner structure | |
| CN209169386U (en) | The PCB printed antenna of omni-directional high-gain |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |