CN106876911A - A kind of combined antenna and vehicle carried electronic label - Google Patents
A kind of combined antenna and vehicle carried electronic label Download PDFInfo
- Publication number
- CN106876911A CN106876911A CN201510920822.6A CN201510920822A CN106876911A CN 106876911 A CN106876911 A CN 106876911A CN 201510920822 A CN201510920822 A CN 201510920822A CN 106876911 A CN106876911 A CN 106876911A
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- China
- Prior art keywords
- layer
- combined antenna
- metal
- aerial
- metal layer
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
- H01Q1/2225—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems used in active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The present invention relates to a kind of combined antenna and vehicle carried electronic label.The combined antenna includes：Including：The first metal layer, first medium layer, second metal layer, second dielectric layer and the 3rd metal level, wherein：The first metal layer is used for as the ground level of the combined antenna；First medium layer is covered in the surface of the first metal layer；Second metal layer is covered in the surface of first medium layer, for as 5.8GHz aerial radiation pieces；Second dielectric layer is arranged on the surface of second metal layer；3rd metal level is arranged on above second dielectric layer and/or below, for as 433MHz aerial radiations piece and being multiplexed with the machine leader being reconstructed to the directional diagram of 5.8GHz aerial radiations piece institute radiated electromagnetic wave.Above-mentioned vehicle carried electronic label is made of above-mentioned combined antenna.The present invention not only reduces complex electromagnetic environment and Chinese herbaceous peony glass pane to 5.8GHz antenna radiation patterns and the influence of gain, the structure of vehicle carried electronic label after increase function is also simplify, so as to ensure the operating efficiency of vehicle carried electronic label.
Description
Technical field
The present invention relates to technical field of intelligent traffic, more particularly to a kind of combined antenna and vehicle mounted electric
Subtab.
Background technology
With the development of intelligent transportation system, electric non-stop toll (Electronic Toll
Collection, ETC) system be widely used in high speed, tunnel, parking lot etc. charge come in and go out
Mouthful, replace manual toll collection, charge efficiency is improved, effectively alleviate congestion problems, while drop
Low noxious gas emission.ETC system is by the roadside unit that is installed in toll station lane
(Road-Side Unit, RSU) and vehicle carried electronic label (the On Board being installed on vehicle
Unit, OBU) between carry out radio communication and information and exchange to realize non-parking charge.
At present, highway is constantly built and China implements expressway network toll at present
Etc. actual conditions, intricate, path ambiguity problem and throwing are become in highway web frame
In the case of money main body diversification, Path Recognition is not only related to how current vehicle calculates logical
The problem that row takes, further relates to obtain the problem of the Toll Distribution to different billing units of income,
It is related to the legitimate interests of each bar highway, so if not considering vehicle actual travel road
Footpath, only relies on registration of vehicle by expressway access, outlet information, implements charge operation
Then seem unreasonable.Therefore, in the prior art in expressway network toll using many
Adopted path system.
In practical application, ambiguity path identifying system is based on the RFID technique of 433MHz,
Suitable for the multipath section that road network is complicated, for highway tolling system is provided accurately and reliably
Vehicle route information, so as to carry out accurate transit cost calculation.It is satisfaction and ETC system
The compatibility of relevant device, ambiguity path identifying system generally increases in traditional electronic tag
Plus 433MHz function of path recognition modules, make its have concurrently 433MHz function of path recognition and
GB OBU functions of the equipments.But, the 433MHz function of path recognition module for newly increasing is not
But the inner space of electronic tag can be made more complicated, also 5.8GHz antennas can be caused to do
Disturb, the radiance of each antenna is affected.Further, since around electronic tag
Metal component, Chinese herbaceous peony glass pane can also be interfered to 5.8GHz antennas, make its directional diagram,
The performances such as axle ratio, gain bring deterioration.
The content of the invention
One of purpose of the invention is to provide a kind of combined antenna and vehicle carried electronic label,
Surrounding metal component, windscreen glass are easily subject to solve 5.8GHz antennas in the prior art
The penalty that glass influence causes, and the 433MHz function of path recognition modules pair for newly increasing
The interference that 5.8GHz antennas are caused.
For achieving the above object, a kind of combined antenna is the embodiment of the invention provides, including：
The first metal layer, first medium layer, second metal layer, second dielectric layer and the 3rd metal level,
Wherein：
The first metal layer is used for as the ground level of the combined antenna；
The first medium layer is covered in the surface of the first metal layer；
The second metal layer is covered in the surface of the first medium layer, for conduct
5.8GHz aerial radiation pieces；
The second dielectric layer is arranged on the surface of the second metal layer；
3rd metal level is arranged on above the second dielectric layer and/or below, is used for
As 433MHz aerial radiations piece and it is multiplexed with to 5.8GHz aerial radiations piece institute radiation electric
The machine leader that the directional diagram of magnetic wave is reconstructed.
Alternatively, the second metal layer is parallel to each other with the 3rd metal level, and positioned at institute
State the same side of first medium layer.
Alternatively, the second metal layer is with the vertically opposite distance of the 3rd metal level
Between 2~20mm.
Alternatively, the second metal layer is with the vertically opposite distance of the 3rd metal level
8.9mm。
Alternatively, the 3rd metal level is rectangle, E shapes, clearance type and snakelike middle one kind
Or the aerial radiation piece of various compositions.
Alternatively, the 3rd metal level is snakelike radiation fin, and the snakelike radiation fin is effective
Working frequency is 429.8MHz~436MHz.
Alternatively, the 3rd metal level includes being printed on a plurality of of the second dielectric layer both sides
Spiral conducting line, at each end points of spiral conducting line being provided with inwall is covered with leading for conductive material
Through hole, whole spiral conducting lines connect into a printed board helical antenna by via.
Alternatively, the second dielectric layer is single-layer medium or multilayer dielectricity.
Second aspect, the embodiment of the present invention additionally provides a kind of vehicle carried electronic label, including pre- place
Reason circuit, for sending signal is encoded with modulated and dock collect mail number carry out detection,
Rectification, filtering and decoding, also including the combined antenna described in claim top.
Alternatively, above-mentioned vehicle carried electronic label also includes shell；Second is situated between in the combined antenna
Matter layer is fixed on the housing.
The embodiment of the present invention individually sets by using the 3rd metal level as 433MHz aerial radiation pieces
Put on the side of second dielectric layer, be spatially separated from second metal layer, so as to reduce
The upper metal component of first medium layer and 5.8GHz aerial radiations piece are to 433MHz electromagnetic waves
The interference of signal；Also, the 433MHz aerial radiation pieces are arranged on 5.8GHz aerial radiation pieces
Surface, and the machine leader of 5.8GHz aerial radiation pieces is multiplexed with, to antenna beam radiation side
To being reconstructed, Chinese herbaceous peony glass pane and around environment are counteracted to 5.8GHz aerial radiation pieces
Radiance influence, improve its 3dB lobe directions figure and axle ratio.The present invention is not only reduced
Complex electromagnetic environment and Chinese herbaceous peony glass pane to 5.8GHz antenna radiation patterns and the influence of gain, also
Simplify increase function after vehicle carried electronic label structure, so as to ensure vehicle carried electronic label
Operating efficiency.
Brief description of the drawings
The features and advantages of the present invention can be more clearly understood from by reference to accompanying drawing, accompanying drawing is to show
Meaning property and should not be construed as carrying out the present invention any limitation, in the accompanying drawings：
Fig. 1 is a kind of stereogram of combined antenna provided in an embodiment of the present invention；
Fig. 2 is the side view on the direction of combined antenna A-A ' shown in Fig. 1；
Fig. 3 is microstrip antenna covering single-layer medium schematic diagram；
Fig. 4 is microstrip antenna covering multilayer dielectricity schematic diagram；
Fig. 5 is a kind of top view of the metal level of combined antenna the 3rd provided in an embodiment of the present invention；
Fig. 6 is 433MHz aerial radiation pieces in a kind of combined antenna provided in an embodiment of the present invention
Return loss characteristic S11 curve synoptic diagrams；
Fig. 7 is 5.8GHz aerial radiation pieces in a kind of combined antenna provided in an embodiment of the present invention
Directional diagram comparison diagram；
Fig. 8 is the vertical view of the 3rd metal level in a kind of combined antenna provided in an embodiment of the present invention
Figure.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the invention is made further in detail
Description.Following examples are used to illustrate the present invention, but are not limited to the scope of the present invention.
A kind of combined antenna is the embodiment of the invention provides, as shown in Fig. 1~Fig. 2, including：The
One metal level 101, first medium layer 201, second metal layer 301, second dielectric layer 501 and the
Three metal levels 401, wherein：
The first metal layer 101 is used for as the ground level of the combined antenna；
First medium layer 201 is covered in the surface of the first metal layer 101；
Second metal layer 301 is covered in the surface of first medium layer 201, for as 5.8GHz
Aerial radiation piece；
Second dielectric layer 501 is arranged on the surface of second metal layer 301；
3rd metal level 401 is arranged on above second dielectric layer 501 and/or following, for making
For 433MHz aerial radiations piece and it is multiplexed with to 5.8GHz aerial radiations piece institute electromagnetic radiation
The machine leader that the directional diagram of ripple is reconstructed.
It should be noted that the machine leader in the present invention, refers to the 433MHz aerial radiation pieces
The signal that sensing 5.8GHz aerial radiation pieces are sent, and secondary radiation is carried out, to 5.8GHz
The directional diagram and power distribution of the electromagnetic wave that aerial radiation piece is radiated are reconstructed, and are somebody's turn to do with drawing
The directional diagram of 5.8GHz aerial radiation pieces points to the front of 5.8GHz antennas.
The embodiment of the present invention individually sets by using the 3rd metal level as 433MHz aerial radiation pieces
Put above second dielectric layer and/or below, be spatially separated from second metal layer, from
And reduce first medium layer upper metal component and 5.8GHz aerial radiation pieces pair
The interference of 433MHz electromagnetic wave signals；Also, the 433MHz aerial radiation pieces are arranged on
The surface of 5.8GHz aerial radiation pieces, and the machine leader of 5.8GHz aerial radiation pieces is multiplexed with,
Antenna beam radiation direction is reconstructed, so as to counteract Chinese herbaceous peony glass pane and around ring
Influence of the border to the radiance of 5.8GHz aerial radiation pieces, improves the 5.8GHz aerial radiations
Piece 3dB lobe directions figure and axle ratio.The present invention not only reduce 433MHz aerial radiations piece with
Influencing each other between 5.8GHz aerial radiation pieces, also simplify the work that improve combined antenna
Efficiency.
In practical application, the first metal layer 101, first medium layer 201 and second metal layer 301
It is arranged in first piece of PCB, second dielectric layer 501 is arranged on the 3rd metal level 401
In second piece of PCB.Can phase between first PCB and the second PCB
Mutually contact can also be realized being spatially separating, and those skilled in the art can be according to specifically used scene
Rationally set, the present invention is not construed as limiting.
In practical application, second metal layer 301 is provided with 5.8GHz aerial radiation pieces.Should
5.8GHz aerial radiations piece also includes feeder line 302, for feed-in 5.8GHz signals.And should
5.8GHz aerial radiations piece is the microstrip antenna form of the square corner cut in the upper right corner, to realize that dextrorotation is justified
Polarization.
In practical application, the 3rd metal level 401 is provided with 433MHz aerial radiation pieces.Should
433MHz aerial radiation pieces are arranged on second dielectric layer 501 in vehicle carried electronic label internal structure
On, with second metal layer 301 realize be spatially separating so that realize with other metal components with
And the electromagnetic wave signal that is radiated to the 433MHz aerial radiations piece of 5.8GHz aerial radiations piece
Interference.
Influenced each other between 433MHz aerial radiations piece and 5.8GHz aerial radiation pieces to reduce,
The present invention uses dielectric overlay Theoretical Design 433MHz aerial radiation pieces.In practical application, car
Front screen can influence resonant frequency, the side of the radiated electromagnetic wave signal of 5.8GHz aerial radiation pieces
Xiang Tu, radiation efficiency and gain.Fig. 3 is microstrip antenna covering single-layer medium schematic diagram.Need
Illustrate, above-mentioned microstrip antenna refers to the 5.8GHz aerial radiation pieces in present invention top..
Referring to Fig. 3, the top of the ground level 702 of microstrip antenna is provided with dielectric substrate 703.At this
The microstrip antenna 701 that width edge length is a is provided with dielectric substrate 703.Wherein, dielectric substrate
703 dielectric constant is εr1, thickness is h1；704 is the overwrite media of microstrip antenna, and dielectric is normal
Number is εr1, thickness is h1.Based on the microstrip antenna overlay model shown in the Fig. 3, the micro-strip day
The resonant frequency change of line 701 is turned to：
In formula, A ≈ 9.26, p ≈ 0.89, f1The resonant frequency of microstrip antenna during for intectate
And free space wavelength, f2The resonant frequency of microstrip antenna, f during for unlimited thick-covering1And f2
Drawn by cavity model.
The theoretical gain of the microstrip antenna of overwrite media：
Gain bandwidth is：
The radiation field of antenna is：
In formula (4)~(5)：
In formula (6)~(7)：
Uh=j γ1cot(γ1h1)·Ah-γ2Bh, (8)
In formula, k0Free space wave number and wave impedance are respectively with η,WithIt is the spectral domain expression formula of microband paste Surface current distribution basic function.
Fig. 4 is microstrip antenna covering multilayer dielectricity schematic diagram.Referring to Fig. 4, in microstrip antenna
The top of ground level 802 is provided with dielectric substrate 803.It is provided with the dielectric substrate 803 micro-
Band antenna 801.The top of the microstrip antenna 801 be provided with ground floor overwrite media 804,
Second layer overwrite media 805 ... ..., and last layer of overwrite media 806.Shown in Fig. 4
The usage scenario of microstrip antenna closer to the present invention provide combined antenna usage scenario its
The theory that influence to antenna performance is also based on above-mentioned single-layer medium covering spread out stretching,
This is repeated no more.
To reduce influencing each other for 433MHz aerial radiations piece and 5.8GHz aerial radiation pieces, root
According to above-mentioned dielectric overlay theory and formula (1)~(17) and Fig. 3 and Fig. 4,5.8GHz is calculated
Pattern characteristics of the aerial radiation piece under multilayer dielectricity coverage condition.Tied according to calculating and optimizing
Really, i.e., second metal layer 301 is set with the vertically opposite distance of the 3rd metal level 401 in the present invention
Put between 2~20mm.More preferably, in one embodiment of the invention, second metal layer 301 and
The vertically opposite distance of three metal levels 401 is set to 8.9mm, that is to say, that 433MHz antenna spokes
Penetrate piece and the vertically opposite distance of 5.8GHz aerial radiation pieces is provided with 8.9mm.
In practical application, the 433MHz aerial radiation pieces may be configured as rectangle, E shapes, gap
Formula (including conventional cross and grid) and it is snakelike in one or more compositions antenna spoke
Penetrate piece.Those skilled in the art can be set of different shapes according to specifically used scene
433MHz aerial radiation pieces, the present invention is not construed as limiting.More preferably, as shown in figure 5, of the invention
In one embodiment, the 433MHz aerial radiation pieces are set to snakelike radiation fin.Wherein, the snake
Shape radiation fin includes feeder line 402, and the feeder line 402 is used for feed-in 433MHz signals.The snakelike spoke
The length L of piece is penetrated for 16.8mm, width W1 is 11.4mm.Also, constitute the snakelike radiation
The width W2 of the sheet wire of piece is 0.5mm, and adjacent two silver on the direction of length L
The interval W3 of shape wire is 0.8mm.
Fig. 6 is 433MHz aerial radiation pieces in a kind of combined antenna provided in an embodiment of the present invention
Return loss characteristic S11 curve maps.Referring to Fig. 6, find out in return loss characteristic S11 curves
Effective working frequency of 433MHz aerial radiation pieces is 429.8~436MHz, now
S11<-10dB；S11 at working frequency 433.8MHz is about -15dB.It follows that this
The 433MHz aerial radiation pieces that inventive embodiments are provided meet ambiguity Path Recognition module to antenna
Performance indications requirement.
In the practical application of vehicle carried electronic label, Chinese herbaceous peony glass pane is on vehicle carried electronic label
The radiation characteristic influence of 5.8GHz aerial radiation pieces is very big, and its directional diagram is sent out by Chinese herbaceous peony glass pane
Raw Severe distortion, main lobe direction shifts, and secondary lobe, episternites increase, 3dB lobe widths become
It is narrow, while the axle ratio characteristic of antenna is also degraded, the axle ratio characteristic of circular polarisation is lost, approach
In linear polarization.Referring to Fig. 7, curve 1 is 5.8GHz aerial radiation pieces on common vehicle carried electronic label
A by Chinese herbaceous peony glass pane directional diagram curve；As can be seen that common vehicle electronics in curve 1
The directional diagram of 5.8GHz aerial radiations piece A occurs in that very big distortion, main lobe A1 directions on label
Shift, secondary lobe, episternites A2 increase, and occur a lot " hole fall into A3 " in directional diagram.
And the 433MHz aerial radiation pieces that the present invention is provided, while being also used as 5.8GHz days
The machine leader of beta radiation piece.When 5.8GHz aerial radiations piece works, machine leader is multiplexed with
433MHz aerial radiations piece can realize good mutual coupling effect with 5.8GHz aerial radiations piece.
433MHz aerial radiations piece by coupling the electromagnetic wave that 5.8GHz aerial radiation pieces are radiated,
Its own produces induced-current and secondary radiation occurs, and 5.8GHz aerial radiation pieces are radiated
The directional diagram and power distribution of electromagnetic wave are reconstructed.Referring to Fig. 7, curve 2 is implemented for the present invention
Example provide 5.8GHz aerial radiation piece B by Chinese herbaceous peony glass pane directional diagram curve.With curve
1 compares, and main lobe direction B1 is without skew in curve 2, and episternites B2 is small a lot, and directional diagram ratio
Smoother, antenna gain of the gain also than curve 1 is big.Thus illustrate, the present invention passes through will
433MHz aerial radiation pieces are multiplexed with the machine leader of 5.8GHz aerial radiation pieces, can be very good
Improve the radiance of 5.8GHz aerial radiation pieces in existing vehicle carried electronic label.
433MHz aerial radiations piece provided in an embodiment of the present invention is not limited to monolithic form, also
Multi-disc can be provided with to be coupled form.As shown in figure 8, the 3rd in another embodiment of the present invention
Metal level 401 is set to printed board helical antenna.The 3rd metal level 401 is included into print in the present invention
The a plurality of spiral conducting line 4011 in the both sides of second dielectric layer 501 is brushed, in each spiral conducting line
The via 4012 that inwall is covered with conductive material, whole spiral conducting lines are provided with 4011 end points
4011 connect into a helical antenna 403 by via 4012.
In the embodiment of the present invention, the width W4 of the helical antenna 403 is 9.5mm, and every
The width W5 of spiral conducting line 4011 is 0.6mm；The two neighboring via in helical antenna the same side
Distance is 1.7mm between 4012.Helical antenna size provided in an embodiment of the present invention is small, gain
Height, and make simple, with good omni-directional feature.
It should be noted that the conductive material that inwall is covered with via 4012 can be metal unit
Element.Wherein, metallic element can be gold, silver, copper, aluminium platinum etc..More preferably, the present invention is real
The conductive material is adopted as copper product in applying example.Those skilled in the art can also be according to specifically making
Suitable conductive material is selected with scene, the present invention is not construed as limiting.
On the other hand, the embodiment of the present invention additionally provides a kind of vehicle carried electronic label, and the present invention is carried
The vehicle carried electronic label of confession is based on combined antenna mentioned above and realizes.Alternatively, it is above-mentioned vehicle-mounted
Electronic tag also includes shell 601；Second dielectric layer 501 is fixed on the shell in combined antenna
On 601.Because the vehicle carried electronic label is made of above-mentioned combined antenna, thus can solve
Same technical problem, and identical technique effect is obtained, this is no longer going to repeat them.
In the present invention, term " first ", " second ", " the 3rd " are only used for describing purpose,
And it is not intended that indicating or implying relative importance.Term " multiple " refer to two or two with
On, unless otherwise clearly restriction.
Although being described in conjunction with the accompanying embodiments of the present invention, those skilled in the art can
To make various modifications and variations without departing from the spirit and scope of the present invention, so
Modification and within the scope of modification each falls within and is defined by the appended claims.
Claims (10)
1. a kind of combined antenna, it is characterised in that including：The first metal layer, first medium
Layer, second metal layer, second dielectric layer and the 3rd metal level, wherein：
The first metal layer is used for as the ground level of the combined antenna；
The first medium layer is covered in the surface of the first metal layer；
The second metal layer is covered in the surface of the first medium layer, for conduct
5.8GHz aerial radiation pieces；
The second dielectric layer is arranged on the surface of the second metal layer；
3rd metal level is arranged on above the second dielectric layer and/or below, is used for
As 433MHz aerial radiations piece and it is multiplexed with to 5.8GHz aerial radiations piece institute radiation electric
The machine leader that the directional diagram of magnetic wave is reconstructed.
2. combined antenna according to claim 1, it is characterised in that second gold medal
Category layer is parallel to each other with the 3rd metal level, and positioned at the same side of first medium layer.
3. combined antenna according to claim 2, it is characterised in that second gold medal
The vertically opposite distance of category layer and the 3rd metal level is between 2~20mm.
4. combined antenna according to claim 3, it is characterised in that second gold medal
Category layer is 8.9mm with the vertically opposite distance of the 3rd metal level.
5. the combined antenna according to Claims 1 to 4 any one, it is characterised in that
3rd metal level be rectangle, E shapes, clearance type and it is snakelike in one or more composition
Aerial radiation piece.
6. combined antenna according to claim 5, it is characterised in that the 3rd gold medal
Category layer is snakelike radiation fin, and effective working frequency of the snakelike radiation fin is 429.8
MHz~436MHz.
7. the combined antenna according to Claims 1 to 4 any one, it is characterised in that
3rd metal level includes being printed on a plurality of spiral conducting line of the second dielectric layer both sides,
The via that inwall is covered with conductive material, whole spiral shells are provided with each end points of spiral conducting line
Rotation wire connects into a printed board helical antenna by via.
8. the combined antenna according to claim 1~6 any one, it is characterised in that
The second dielectric layer is single-layer medium or multilayer dielectricity.
9. a kind of vehicle carried electronic label, it is characterised in that any one including claim 1~8
Combined antenna described in.
10. vehicle carried electronic label according to claim 9, it is characterised in that also include
Shell；Second dielectric layer is fixed on the housing in the combined antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510920822.6A CN106876911B (en) | 2015-12-11 | 2015-12-11 | Composite antenna and vehicle-mounted electronic tag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510920822.6A CN106876911B (en) | 2015-12-11 | 2015-12-11 | Composite antenna and vehicle-mounted electronic tag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106876911A true CN106876911A (en) | 2017-06-20 |
| CN106876911B CN106876911B (en) | 2023-07-21 |
Family
ID=59178577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510920822.6A Active CN106876911B (en) | 2015-12-11 | 2015-12-11 | Composite antenna and vehicle-mounted electronic tag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106876911B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112884110A (en) * | 2021-02-03 | 2021-06-01 | 上海坤锐电子科技有限公司 | Label inlay and electronic label |
| CN113497352A (en) * | 2020-03-19 | 2021-10-12 | 福耀玻璃工业集团股份有限公司 | Electronic label equipment and window glass |
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| CN105098342A (en) * | 2015-08-20 | 2015-11-25 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | Dual-layer patch dual-frequency disc microstrip antenna |
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| CN1482831A (en) * | 2002-07-04 | 2004-03-17 | Multi-band helical antenna on multilayer substrate | |
| US20040008153A1 (en) * | 2002-07-12 | 2004-01-15 | David Lamensdorf | Single and dual-band patch/helix antenna arrays |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113497352A (en) * | 2020-03-19 | 2021-10-12 | 福耀玻璃工业集团股份有限公司 | Electronic label equipment and window glass |
| CN112884110A (en) * | 2021-02-03 | 2021-06-01 | 上海坤锐电子科技有限公司 | Label inlay and electronic label |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106876911B (en) | 2023-07-21 |
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