CN106532246A - Combined antenna - Google Patents
Combined antenna Download PDFInfo
- Publication number
- CN106532246A CN106532246A CN201611049300.4A CN201611049300A CN106532246A CN 106532246 A CN106532246 A CN 106532246A CN 201611049300 A CN201611049300 A CN 201611049300A CN 106532246 A CN106532246 A CN 106532246A
- Authority
- CN
- China
- Prior art keywords
- antenna
- plate
- gps antenna
- plates
- gps
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
Abstract
The invention discloses a combined antenna. The combined antenna is characterized by comprising an ETC antenna board and two GPS antenna boards, wherein the GPS antenna boards are U-shaped structure and have long arms, short arms and bottom edges, two ends of the bottom edges are respectively connected with the long arms and the short arms, the two GPS antenna boards are symmetrically distributed at periphery of the ETC antenna board in a mode of rotating around the ETC antenna board, the long arm of one GPS antenna board is opposite to the short arm of the other GPS antenna board, the two short arms are respectively provided with a GPS antenna ground point, one GPS antenna board is provided with a second feed, the second feed position is close to the GPS antenna ground point of the GPS antenna board, and the ETC antenna board is provided with a first feed.
Description
Technical field
A kind of the invention belongs to antenna technical field, in particular it relates to combined antenna.
Background technology
In recent years, with the gradually development of electronic communication technology, the electronic equipment for implementing operation by wireless telecommunications is more next
It is more, and in order to reduce the volume and quantity of product facility, those skilled in the art attempt taking by difference in functionality, frequency range it is logical
The mode that Iflytech's line is combined, to improve the utilization rate of antenna, equipment.
By taking freeway net and Fare Collection System as an example, in order to enable the vehicle to it is quick, not parking by highway simultaneously
Charge is completed, ETC technologies in the field, are employed.The technology by the vehicle carried electronic label in the vehicle windscreen with
Antenna on charge station ETC tracks carries out special short range communication, and carries out backstage clearing using Computer Networking with bank
Process, so as to reach vehicle by toll on the road and bridge station it is not parking and complete pay the fees purpose.Meanwhile, in freeway net construction
In, it is that vehicle outfit GPS location navigation also gradually starts popularization.So, the ETC system of vehicle and GPS system are merged into application
Receive more and more attention, those skilled in the art begin attempt to be combined together two sets of systems, equipment.This improvement is
The important step of intelligent transportation system is built, to realize the functions such as unmanned, automatic charging.
Micro-strip paster antenna being adopted ETC antennas, because microstrip antenna easier realizes various polarization modes and wide more
It is general to be applied in circular polarized antenna design, while microstrip antenna volumetric spaces are required strictly.ETC antennas and gps antenna are being entered
After row is combined, two kinds of antennas can influence each other, and be limited by antenna product overall dimensions, and gps antenna is with ETC antennas in GPS frequencies
The isolation of section is poor.
In order to solve above-mentioned technical problem, it is necessary to which ETC is improved with the combination of gps antenna, so as to reduce
Influencing each other between two kinds of antennas.
The content of the invention
It is an object of the present invention to provide a kind of new solution of combined antenna.
According to the first aspect of the invention, there is provided a kind of combined antenna, the combined antenna include ETC antenna plates and two
Gps antenna plate, the U-shaped structure of the gps antenna plate, gps antenna plate have long support arm, short support arm and base, the base
Two ends connect the long support arm and short support arm respectively, two gps antenna plates are with around the centrosymmetric form of ETC antenna plates
The periphery of the ETC antenna plates is distributed in, the long support arm of a gps antenna plate is relative with the short support arm of another gps antenna plate,
Gps antenna earth point is provided with two short support arms, is provided with the second feed on the wherein one gps antenna plate,
The gps antenna earth point being located proximate on the gps antenna plate (2) at its place of second feed, the ETC antenna plates
On be provided with the first feed.
Alternatively, the ETC antenna plates are rectangular slab, and ETC antenna plates have corner cut in two edges, two other side
There is at angle right angle, long support arm of the corner cut near the gps antenna plate, the right angle are short near the gps antenna plate
Support arm.
Alternatively, the connection corner on long support arm of the corner cut of the ETC antenna plates near the gps antenna plate and base
Place, the right angle of the ETC antenna plates point to the short support arm of the gps antenna plate and the connection corner on base.
Alternatively, the gps antenna earth point is near the right angle of the ETC antenna plates.
Alternatively, second feed is arranged on the connection corner of the short support arm and base.
Alternatively, the gap between the short support arm of the long support arm and another gps antenna plate of a gps antenna plate is
The radiation breach of ETC antenna plates, the width range of the radiation breach is 3-8mm.
Alternatively, radiating breach is included near the first radiation breach of the described second feed and away from the described second feed
The second radiation breach, first feed (11) is located in ETC antenna plates the side and close away from the described second feed
The second radiation breach.
Alternatively, the interstice coverage between the gps antenna plate and ETC antenna plates is 1-2mm.
Alternatively, in the ETC antenna plates and gps antenna plate are generally aligned in the same plane, the combined antenna includes base plate, institute
Base plate is stated positioned at the lower section of the ETC antenna plates and gps antenna plate, the central area phase of the ETC antenna plates and the base plate
Right, the gps antenna earth point is electrically connected with the base plate.
Alternatively, the area of base plate is consistent with the entire area of the ETC antenna plates and gps antenna plate, the base plate with
The distance between ETC antenna plates and gps antenna plate scope is 1-4mm.
Alternatively, the width range of the gps antenna is 2.7-3.3mm, and thickness range is 0.3-0.5mm.
The structure of the combined antenna provided by the present invention, can reduce the mutual shadow between ETC antennas and gps antenna
Ring.
By referring to the drawings to the present invention exemplary embodiment detailed description, the present invention further feature and its
Advantage will be made apparent from.
Description of the drawings
It is combined in the description and the accompanying drawing of the part that constitutes description shows embodiments of the invention, and even
It is used for together explaining the principle of the present invention with its explanation.
Fig. 1 is the schematic top plan view of the combined antenna that the present invention is provided；
Fig. 2 is the side schematic view of the combined antenna that the present invention is provided；
Fig. 3 is the schematic diagram of the S curve of the combined antenna that the present invention is provided.
Specific embodiment
Describe the various exemplary embodiments of the present invention now with reference to accompanying drawing in detail.It should be noted that：Unless had in addition
Body illustrates that the part and the positioned opposite of step, numerical expression and numerical value for otherwise illustrating in these embodiments does not limit this
The scope of invention.
It is illustrative below to the description only actually of at least one exemplary embodiment, never as to the present invention
And its application or any restriction for using.
For known to person of ordinary skill in the relevant, technology, method and apparatus may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered a part for description.
In all examples of shown here and discussion, any occurrence should be construed as merely exemplary, and not
It is as restriction.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represent similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then which need not be further discussed in subsequent accompanying drawing.
The invention provides a kind of combined antenna, ETC (expressway E-payment system) antenna plates and GPS (are determined in the whole world
Position system) antenna plate is combined together, and the combined antenna employs form of the gps antenna plate around ETC antenna plates, including
Two gps antenna plates, gps antenna plate are made to produce two resonance near GPS frequency ranges, are reached relative to ETC antenna plate centrosymmetry
Improve the purpose of isolation, reduce interfering between two kinds of antennas.
As shown in figure 1, the combined antenna includes ETC antenna plates 1 and two gps antenna plates 2.The gps antenna plate 2
The U-shaped structure of plan structure, gps antenna plate 2 have long support arm 21, short support arm 22 and base 23, and above three part connects successively
Connect composition U-shape structure, the length of wherein long support arm 21 is more than the short support arm 22.The gps antenna plate 2 is surrounded described ETC days
Line plate 1 is arranged, and the breach of two gps antenna plates 2 is oppositely arranged, and the ETC antenna plates 1 are trapped among central authorities.Two described GPS days
Line plate 2 is centrosymmetric around ETC antenna plates 1, long support arm 21 and another gps antenna plate 2 of a wherein gps antenna plate 2
Short support arm 22 is relative, leaves certain distance between the two.Gps antenna is provided with the short support arm 22 of two gps antenna plates 2 to connect
Place 24, gps antenna plate 2 is grounded.Especially, in two gps antenna plates 2, arrange on only one gps antenna plate 2
There is the second feed 25, second feed 25 is configured to signal be provided to this gps antenna plate 2.It is being provided with the second feed 25
The gps antenna plate 2 on, second feed 25 is located proximate to the gps antenna earth point 24.In addition, described ETC days
The first feed 11 is provided with line plate 1, for providing signal for ETC antenna plates 1.ETC antennas can adopt microstrip antenna.
Rotationally symmetrical characteristic of the combined antenna that the present invention is provided using gps antenna plate and ETC antenna plates, makes to be provided with the
It is parasitic element that the gps antenna plate of two feeds encourages another gps antenna plate for being not provided with feeding, so, attached in GPS frequency ranges
Two resonance are just generated closely, can reach improves the purpose of isolation, reduce the phase between ETC antenna plates and gps antenna plate
Mutually affect.On the other hand, due to there is the common radiation signal of two gps antenna plates, the signal of GPS obtains intensity gain, gps antenna
Radiation direction obtain localization effects.
In order to realize the circular polarisation of ETC antenna plates, influencing each other between ETC antennas and gps antenna is reduced, alternatively,
As shown in figure 1, the ETC antenna plates 1 can with rectangular hardened structure, according to specific performance, can be rectangular slab or
Square plate.Especially, ETC antenna plates 1 have corner cut 13 in two edges, and two other edge has right angle 14, electricity
Stream flows along corner cut 13, forms the effect of circular polarisation.Long support arm 21 of the corner cut 13 near the gps antenna plate 2, relatively
, the right angle 14 is closer to the short support arm 22 of the gps antenna plate 2.The energy of radiation signal at the corner cut 13 of ETC antenna plates
Amount is relatively low, and the energy of the long support arm radiation signal of gps antenna plate is higher, by above-mentioned construction featuress, ETC antenna plates pair
The impact of the long support arm of gps antenna plate is less.It is provided with gps antenna earth point 24 on the short support arm 22 of gps antenna plate 2, ETC days
The signal given off at the right angle 14 of line plate will not be impacted to the ground connection of gps antenna plate 2.
Further, the corner cut 13 of the ETC antenna plates 1 can be near the long support arm 21 of the gps antenna plate 2 and base
The short support arm 22 of the gps antenna plate 2 and the connection on base 23 are then pointed in 23 connection corner, the right angle 14 of ETC antenna plates 1
Corner.This combined antenna structure for further optimizing, further can isolate between ETC antenna plates 1 and gps antenna plate 2
Signal.Alternatively, the gps antenna earth point 24 is also at the position near the right angle 14 of the ETC antenna plates 1.
Alternatively, in order to reduce gps antenna plate 2 impedance of itself, second feed can be arranged on the short support arm
22 with the connection corner on base 23.Second feed influences whether antenna plate itself with the position relationship of gps antenna earth point
Impedance, if impedance is excessive, can cause the energy loss of signal, ultimately cause gps antenna plate radiation GPS signal strength compared with
It is low.Fig. 1 shows the relative position relation of the second feed 25 and gps antenna earth point 24 in above-mentioned embodiment.In other realities
Apply in mode, the position that those skilled in the art can be according to practical situation to the second feed with gps antenna earth point is adjusted
It is whole.
Especially, the short support arm of the long support arm of a gps antenna plate in the combined antenna and another gps antenna plate
Between gap constitute the radiation breach 3 of the ETC antenna plates, preferably form two radiation breach 3 altogether.The radiation breach 3
For ETC antenna plates to external radiation ETC signals.Fig. 1 shows that the radiation lacks in the case where gps antenna plate 2 is centrosymmetric
The form of mouth 3.Especially, above-mentioned two radiation breach 3 can be respectively near the first radiation breach of the second feed 25 and remote
From the second radiation breach of the second feed 25.Also, the first feed 11 of ETC antenna plates is located in ETC antenna plates away from second
The side of feed and the close second radiation breach.
The long support arm 21 and short support arm 22 will can be covered at the right angle 14 of ETC antenna plates 1 and corner cut 13, to ETC days
These regions of line plate form radiation shield.So, ETC antenna plates 1 can only from the straight flange position of both sides, by long support arm 21 with
Radiation breach 3 between short support arm 22 is to external radiation ETC signals.This structure setting controls the radiation direction of ETC antenna plates,
Improve the axle ratio of ETC antenna plates, and the gain of ETC antenna plates can be improved to a certain extent.A kind of in the present invention implements
In mode, the gain of ETC antenna plates improves 1dB, and axle ratio improves 3dB.
Alternatively, the width range of the radiation breach 3 is 3-8mm, and in the range of this, radiation breach 3 can be more preferable
The performance for improving ETC antenna plates.If radiation breach is wide, can expose at the corner cut 13 of ETC antennas, it is possible to have influence on
The signal radiation direction of ETC antenna plates.And if radiation breach is too small, then can be formed it is excessive block, shielding action, it is possible to
Reduce the radiant intensity of ETC antenna plates.In embodiments of the present invention, the width for radiating breach can be 5mm.Alternatively,
The width range of the gps antenna plate is 2.7-3.3mm, and thickness range is 0.3-0.5mm.For example, it is real in one kind of the present invention
Apply in mode, the width of gps antenna plate sum is 3mm, and thickness is 0.4mm.The U-shape structure length of gps antenna plate preferably meets four
/ mono- resonance length.
Preferably, the interstice coverage between the gps antenna plate and ETC antenna plates 1 is 1-2mm, for example, two kinds of antenna plates
Between gap be 1.5mm.If the gap between two kinds of antenna plates is too small or excessive, it is possible to have influence on the property of antenna plate
Can, the effect of such as radiation-screening is too strong to cause radiant intensity to decline, or the electromagnetic interference between antenna plate becomes strong.
Alternatively, as shown in figure 1, the ETC antenna plates 1 are in approximately the same plane with gps antenna plate 2, such as Fig. 2 institutes
Show, the combined antenna can also include base plate 4.Earth point of the base plate 4 as combined antenna, which may be typically located at
The lower section of ETC antenna plates 1 and gps antenna plate 2, as shown in Fig. 2 the base plate 4 is be arranged in parallel with antenna plate.The ETC antennas
Plate 1 is relative with the central area of the base plate 4, and the gps antenna earth point 24 is electrically connected with the base plate 4.ETC antenna plates
Operating frequency range is 5.79GHz-5.84GHz.
Further, the area of the base plate can be with the ETC antenna plates and the entire area one of gps antenna plate
Cause, for example, the overall square plate in 24*24mm of the base plate, the area that two kinds of antenna plates are integrally occupied are consistent with base plate.The bottom
Spacing between plate and ETC antenna plates and gps antenna plate is may remain in the range of 1-4mm.For example in one kind of the present invention
In embodiment, the spacing between antenna plate and the base plate is 2mm.In other embodiments, the area of the base plate is excellent
Entire area of the choosing not less than antenna plate.In addition, the relative increase of the distance of two kinds of antenna plates of base plate distance preferably can be played
The performance of antenna plate, but, due to the restriction of electronic product own dimensions, antenna plate is excessive with what the spacing of base plate cannot be done.
Those skilled in the art can be adjusted according to practical situation, and the present invention is not limited to this.
A kind of S parameter of way of example that Fig. 3 is provided for the present invention, curve 50 are ETC antenna plates and gps antenna plate
Isolation, isolation are improved to -15dB from the -5dB of an only gps antenna, and curve 51 is the return loss of gps antenna plate,
Curve 52 is the return loss that ETC antenna plates are coupled in gps antenna plate working frequency range.The present embodiment uses rotational symmetric two
Gps antenna plate makes GPS frequency ranges produce two resonant frequencies as shown by plot 51, makes ETC antenna plates in gps antenna plate working frequency range
Coupled resonance frequency improve, so as to improve isolation.
Although being described in detail to some specific embodiments of the present invention by example, the skill of this area
Art personnel it should be understood that example above is merely to illustrate, rather than in order to limit the scope of the present invention.The skill of this area
Art personnel are it should be understood that can modify to above example without departing from the scope and spirit of the present invention.This
Bright scope is defined by the following claims.
Claims (10)
1. a kind of combined antenna, it is characterised in that the combined antenna includes ETC antenna plates (1) and two gps antenna plates (2),
Gps antenna plate (2) U-shaped structure, gps antenna plate (2) have long support arm (21), short support arm (22) and base (23), institute
The two ends for stating base (23) connect long support arm (21) and short support arm (22) respectively, two gps antenna plate (2) with around
The centrosymmetric formal distribution of ETC antenna plates (1) in the periphery of ETC antenna plates (1), draw money on credit by one gps antenna plate (2)
Arm (21) is relative with the short support arm (22) of another gps antenna plate (2), is provided with GPS days on two short support arm (22)
Line earth point (24), is provided with the second feed (25) on wherein one gps antenna plate (2), second feed (25)
Gps antenna earth point (24) being located proximate on the gps antenna plate (2) at its place, are arranged on ETC antenna plates (1)
There is the first feed (11).
2. combined antenna according to claim 1, it is characterised in that described ETC antenna plates (1) is rectangular slab, ETC antennas
Plate (1) has corner cut (13) in two edges, and two other edge has right angle (14), and corner cut (13) are near described
The long support arm (21) of gps antenna plate (2), the short support arm (22) of right angle (14) near gps antenna plate (2).
3. combined antenna according to claim 2, it is characterised in that the corner cut (13) of ETC antenna plates (1) is near institute
The long support arm (21) of gps antenna plate (2) and the connection corner on base (23) is stated, the right angle (14) of ETC antenna plates (1) refers to
To short support arm (22) and the connection corner on base (23) of gps antenna plate (2).
4. combined antenna according to claim 2, it is characterised in that gps antenna earth point (24) are near described ETC
The right angle (14) of antenna plate (1).
5. combined antenna according to claim 2, it is characterised in that second feed (25) is arranged on the short support arm
(22) the connection corner with base (23).
6. combined antenna according to claim 5, it is characterised in that the long support arm (21) of gps antenna plate (2)
And the gap between the short support arm (22) of another gps antenna plate (2) is the radiation breach (3) of ETC antenna plates (1), the spoke
The width range for penetrating breach (3) is 3-8mm.
7. combined antenna according to claim 6, it is characterised in that radiation breach (3) is included near the described second feed
(25) first radiation breach and away from described second feed (25) second radiation breach, it is described first feed (11) position
Away from the described second side for feeding (25) and near the described second radiation breach in ETC antenna plates (1).
8. combined antenna according to claim 1, it is characterised in that gps antenna plate (2) and ETC antenna plates (1) it
Between interstice coverage be 1-2mm.
9. combined antenna according to claim 1, it is characterised in that ETC antenna plates (1) and gps antenna plate (2) position
In same plane, the combined antenna includes base plate (4), and described base plate (4) are located at ETC antenna plates (1) and gps antenna
The lower section of plate (2), ETC antenna plates (1) are relative with the central area of the base plate (4), gps antenna earth point (24)
Electrically connect with the base plate (4).
10. combined antenna according to claim 8, it is characterised in that the area of base plate (4) and ETC antenna plates (1)
It is consistent with the entire area of gps antenna plate (2), between base plate (4) and ETC antenna plates (1) and gps antenna plate (2) away from
It is 1-4mm from scope.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611049300.4A CN106532246B (en) | 2016-11-22 | 2016-11-22 | Combined antenna |
| PCT/CN2017/090634 WO2018095032A1 (en) | 2016-11-22 | 2017-06-28 | Combined antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611049300.4A CN106532246B (en) | 2016-11-22 | 2016-11-22 | Combined antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106532246A true CN106532246A (en) | 2017-03-22 |
| CN106532246B CN106532246B (en) | 2019-01-18 |
Family
ID=58357153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611049300.4A Active CN106532246B (en) | 2016-11-22 | 2016-11-22 | Combined antenna |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106532246B (en) |
| WO (1) | WO2018095032A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018095032A1 (en) * | 2016-11-22 | 2018-05-31 | 歌尔股份有限公司 | Combined antenna |
| CN112399465A (en) * | 2019-08-16 | 2021-02-23 | 华为技术有限公司 | Indication method and device for state of antenna panel |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115693129A (en) * | 2022-11-11 | 2023-02-03 | 东莞市合康电子有限公司 | Interdigital antenna structure and antenna assembly |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003188636A (en) * | 2001-12-17 | 2003-07-04 | Tdk Corp | Combined antenna |
| CN1577965A (en) * | 2003-07-29 | 2005-02-09 | 株式会社日立国际电气 | Bifrequency shared antenna apparatus |
| CN1795586A (en) * | 2003-05-27 | 2006-06-28 | 古河电气工业株式会社 | Composite antenna device |
| CN102931476A (en) * | 2011-08-08 | 2013-02-13 | 启碁科技股份有限公司 | Double frequency circularly polarized antenna |
| CN105633586A (en) * | 2016-03-04 | 2016-06-01 | 歌尔声学股份有限公司 | Antenna device and electronic device |
| CN206301936U (en) * | 2016-11-22 | 2017-07-04 | 歌尔股份有限公司 | Combined antenna |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106532246B (en) * | 2016-11-22 | 2019-01-18 | 歌尔股份有限公司 | Combined antenna |
-
2016
- 2016-11-22 CN CN201611049300.4A patent/CN106532246B/en active Active
-
2017
- 2017-06-28 WO PCT/CN2017/090634 patent/WO2018095032A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003188636A (en) * | 2001-12-17 | 2003-07-04 | Tdk Corp | Combined antenna |
| CN1795586A (en) * | 2003-05-27 | 2006-06-28 | 古河电气工业株式会社 | Composite antenna device |
| CN1577965A (en) * | 2003-07-29 | 2005-02-09 | 株式会社日立国际电气 | Bifrequency shared antenna apparatus |
| CN102931476A (en) * | 2011-08-08 | 2013-02-13 | 启碁科技股份有限公司 | Double frequency circularly polarized antenna |
| CN105633586A (en) * | 2016-03-04 | 2016-06-01 | 歌尔声学股份有限公司 | Antenna device and electronic device |
| CN206301936U (en) * | 2016-11-22 | 2017-07-04 | 歌尔股份有限公司 | Combined antenna |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018095032A1 (en) * | 2016-11-22 | 2018-05-31 | 歌尔股份有限公司 | Combined antenna |
| CN112399465A (en) * | 2019-08-16 | 2021-02-23 | 华为技术有限公司 | Indication method and device for state of antenna panel |
| CN112399465B (en) * | 2019-08-16 | 2022-11-11 | 华为技术有限公司 | Method and device for indicating state of antenna panel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106532246B (en) | 2019-01-18 |
| WO2018095032A1 (en) | 2018-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103354304A (en) | Coated antenna for microwave reader-writer of ETC (electronic toll collection) system | |
| CN111145364B (en) | Roadside parking management system | |
| CN106532246A (en) | Combined antenna | |
| CN203326119U (en) | Narrow beam micro-strip circular polarization array antenna | |
| CN102509901A (en) | Phased-array antenna applied to ETC (Electronic Toll Collection) system and application method thereof | |
| CN202268482U (en) | Ultrahigh frequency radio frequency identification reader-writer antenna for electronic toll collection system | |
| CN112086745A (en) | ETC antenna fused with V2X equipment | |
| CN206301936U (en) | Combined antenna | |
| CN106935982A (en) | Planar array antenna | |
| CN104466360A (en) | Coated antenna device | |
| CN106711621A (en) | Two types of microstrip array monopulse antennas for automobile forward anticollision radar devices | |
| CN212848810U (en) | ETC antenna fused with V2X equipment | |
| CN207852881U (en) | A kind of co-planar waveguide and ETC phased array antenna based on perpendicular interconnection technology | |
| CN104466375A (en) | Novel antenna with coating layer | |
| Detlefsen et al. | Interoperable 5.8 GHz DSRC systems as basis for europeanwide ETC implementation | |
| CN103000989A (en) | Micro-strip antenna with reduced rear lobe of Fresnel zone | |
| CN214280196U (en) | Integrated antenna for automobile glass | |
| CN104466359A (en) | Coated antenna | |
| CN207624910U (en) | A kind of microstrip antenna and vehicle carried electronic label of trap structure | |
| CN206116601U (en) | A do not stop charge antenna and electronic toll collection system for parking area side dress | |
| CN104466377A (en) | Coating antenna for microwave reader-writer | |
| CN104466376A (en) | Coating antenna device for microwave reader-writer | |
| JPH0897630A (en) | Antenna for communication with mobile object | |
| JP4460706B2 (en) | Gate system | |
| CN207925668U (en) | A kind of ultrahigh frequency antenna for reader-writer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201012 Address after: 261031 north of Yuqing street, east of Dongming Road, high tech Zone, Weifang City, Shandong Province (Room 502, Geer electronic office building) Patentee after: GoerTek Optical Technology Co.,Ltd. Address before: 261031 Dongfang Road, Weifang high tech Development Zone, Shandong, China, No. 268 Patentee before: GOERTEK Inc. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221219 Address after: 266104 No. 500, Songling Road, Laoshan District, Qingdao, Shandong Patentee after: GOERTEK TECHNOLOGY Co.,Ltd. Address before: 261031 north of Yuqing street, east of Dongming Road, high tech Zone, Weifang City, Shandong Province (Room 502, Geer electronics office building) Patentee before: GoerTek Optical Technology Co.,Ltd. |