CN102468529A - Multifunctional integrated antenna - Google Patents
Multifunctional integrated antenna Download PDFInfo
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- CN102468529A CN102468529A CN2010105497690A CN201010549769A CN102468529A CN 102468529 A CN102468529 A CN 102468529A CN 2010105497690 A CN2010105497690 A CN 2010105497690A CN 201010549769 A CN201010549769 A CN 201010549769A CN 102468529 A CN102468529 A CN 102468529A
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Abstract
The invention discloses a multifunctional integrated antenna, which comprises a base and a shell covered on the base, wherein a first antenna module for receiving and processing GPS (Global Positioning System) signals, a second antenna module for receiving and processing television broadcasting signals and a third antenna module for receiving and processing radio broadcasting signals are arranged on the base; and various signals received and processed by the first, second and third antenna modules are output through a feeder line arranged on the base and/or the shell. Functions such as radio broadcasting, television broadcasting, GPS signal receiving and the like are integrated, so that the requirement on multiple functions is met, the practical size of the antenna is reduced, the space arrangement simplicity of the antenna and a wiring harness space of the antenna is realized, and the sharing and modular degrees are increased. The multifunctional integrated antenna can be arranged in an open roof space of a vehicle, so that the signal receiving directivity and sensitivity of each antenna module are enhanced, and the signal interference of electrical appliance components in the vehicle on the antenna and the signal interference among antennae are reduced.
Description
[technical field]
The present invention relates to a kind of antenna, relate in particular to a kind of multi-functional integrated type antenna, it is particularly suitable for being installed on the various vehicle fittings as car antenna.The invention belongs to communication technique field.
[background technology]
There are various forms of reception antennas in the prior art; The reception antenna form that for example in automotive field, is widely used at present mainly contains whip antenna, roof shark fins antenna, glass printed antenna and Che Nei concealed antenna etc., and these antenna respectively has following pluses and minuses:
Whip antenna mainly is to be used for realize receiving amplitude modulation (AM) and/or frequency modulation (FM) radio broadcasting function, it is partly integrated gps signal receiving function.But whip antenna exists the comparatively single deficiency of longer dimension, function, uses for automobile appearance, spatial placement and function all can affect.
Roof shark fins antenna is used for realizing the reception of gps signal now morely, but be difficult to other integrated the coming in of antenna function and also have the problem of function singleness.For example, because the restriction of shark fins shell space is being difficult to satisfy the big antenna size of realizing that AM/FM radio broadcasting receiving function is required in fact.According to the equivalent dimension of AM/FM antenna, particularly the equivalent dimension of AM antenna is difficult to antenna is carried out effective spatial placement, thereby has influenced the signal receiving performance of AM/FM (particularly AM) radio broadcasting to a great extent.Simultaneously, between each functional module interfere with each other and antenna problem such as block also need be considered and designed especially.
Glass printed antenna is mainly used in the function that realizes receiving AM and/or FM radio broadcasting and digital-to-analog television broadcasting.This Antenna Design is comparatively complicated; Need carry out a large amount of virtual checkings and system level testing and the test of car load level in the development phase; Especially for the glass antenna that is arranged in the back air regulator; Owing to when de-fog switch on, there is interference,, will increase design difficulty and manufacturing cost like this so need in the demist loop, increase element such as antenna filter especially.In addition, there is comparatively significantly directivity in glass printed antenna for the reception of signal, therefore possibly cause the decline of antenna performance in some cases.
What concealed antenna application at present was more in the car is the built-in GPS reception antenna of instrument desk; But this antenna receives the electromagnetic interference of other electric components in the car easily; Also need special its position of design simultaneously, to prevent the blocking and shielding of car inner part or vehicle body to signal.
Therefore; When attempting the above-mentioned antenna synthesis that these possess difference in functionality used; Just need be respectively their design attachment point and lay wire harness specially, will form very big puzzlement like this and cause and in fact be difficult to realize effectively to avoid occurring above-mentioned variety of issue.For example; Although be CN1511356A at publication number, be entitled as and disclose the miniature antenna that comprises radio reception, cell phone receives, GPS receives basic service in the Chinese invention patent application of " integrated multi-business automotive antenna "; And be CN1816943A at publication number, be entitled as in the Chinese invention patent application of " antenna system of motor vehicle " and disclose the antenna structure that comprises wireless aerial, mobile phone antenna, satellite-signal antenna; Yet they all can not overcome above drawback satisfactorily, still exist such as the insufficiency face, disturb, receive numerous deficiencies such as sense property is undesirable each other.
In addition; With above-mentioned when possessing separately a plurality of antennas of function and for example being installed on the vehicle; Owing to exist multiple different vehicle platform; Therefore need repeatedly design again antenna system, this just exists owing to sharing and the not high serious waste human and material resources problem of resource that causes of the degree of modularity.
[summary of the invention]
In view of this; The object of the present invention is to provide multiple function needs such as a kind of comprehensive integration radio broadcasting, television broadcasting and gps signal reception; Can improve reception sense property and sensitivity and can reduce the multi-functional integrated type antenna that antenna itself is disturbed, with the above-mentioned problems that exist in effective solution prior art.
For realizing above-mentioned goal of the invention, the technical scheme that the present invention adopts is following:
A kind of multi-functional integrated type antenna; It comprises pedestal and covers at the housing on the said pedestal; Be equiped with on the said pedestal and be used to receive first Anneta module of handling gps signal, be used to receive second Anneta module of handling television broadcasting signal and be used to receive the third antenna module of handling radio signals, said first Anneta module, second Anneta module and third antenna module receive each signal of handling via the feeder line output that is installed on said pedestal and/or the said housing.
In above-mentioned multi-functional integrated type antenna, preferably, said housing type of being fin shape or hemisphere.
In above-mentioned multi-functional integrated type antenna, preferably, said first Anneta module, second Anneta module and third antenna module are installed on the said pedestal along the direction that the distance between said housing and the said pedestal increases gradually successively.
In above-mentioned multi-functional integrated type antenna, preferably, it is suitable that the outer surface of said pedestal and said multi-functional integrated type antenna are installed the external surface of objects shape at place.
In above-mentioned multi-functional integrated type antenna; Preferably; Said multi-functional integrated type antenna also comprises protecting component, and it is installed in and is used between said pedestal and the said object preventing that sealing, gas and/or foreign material get into said object through the joint of said pedestal and said object.
In above-mentioned multi-functional integrated type antenna; Preferably; Said first Anneta module comprises ceramic antenna and coupled first signal amplifier that connects, and said first signal amplifier is used for the gps signal that is received by said ceramic antenna is carried out processing and amplifying.
In above-mentioned multi-functional integrated type antenna, preferably, said first signal amplifier is a low noise amplifier.
In above-mentioned multi-functional integrated type antenna; Preferably; Said second Anneta module comprises helical antenna and secondary signal amplifier; Said secondary signal amplifier comprises first module and Unit second; Said first module is connected in said helical antenna so that the uhf band signal in the television broadcasting signal that receives is carried out processing and amplifying, and said Unit second is connected in said third antenna module so that the VHF frequency band signals in the television broadcasting signal that is received by said third antenna module is carried out processing and amplifying.
In above-mentioned multi-functional integrated type antenna; Preferably, said first module and Unit second include and are used for said television broadcasting signal is carried out the filtration module of filtration treatment and is used for said television broadcasting signal is carried out the automatic gain module that signal gain is handled.
In above-mentioned multi-functional integrated type antenna, preferably, the length of said helical antenna equals or is substantially equal to 1/4 of uhf band wavelength in the television broadcasting signal.
In above-mentioned multi-functional integrated type antenna; Preferably; Said third antenna module comprises bundle antenna and coupled the 3rd signal amplifier that connects, and said the 3rd signal amplifier is used for the radio signals that is received by said bundle antenna is carried out processing and amplifying.
In above-mentioned multi-functional integrated type antenna, preferably, the length of said bundle antenna equals or is substantially equal to 1/4 of frequency modulation band wavelength in the radio broadcasting.
Beneficial effect of the present invention is: it is integrated in multiple functions such as radio broadcasting, television broadcasting and gps signal reception all over the body; Solved such as existing AM/FM reception antenna arrangement space and be difficult to obtain technical problems such as effective coordination control; Thereby can satisfy multi-functional demand; And reduced the actual size of antenna, realized the simplification of antenna and wire harness spatial placement thereof, and improved its sharing and the degree of modularity.Can antenna of the present invention be installed in the roof open space of vehicle, can improve directivity and sensitivity that each Anneta module receives signal like this, and reduce the interior electric component of car antenna itself and each antenna signal are to each other disturbed.
[description of drawings]
Below will combine accompanying drawing and embodiment, technical scheme of the present invention is done further to describe in detail.Wherein:
Fig. 1 is the contour structures sketch map of a preferred embodiment of multi-functional integrated type antenna of the present invention.
Fig. 2 is the internal structure sketch map of the multi-functional antenna integrated preferred embodiment among Fig. 1.
Description of reference numerals:
1 housing, 2 pedestals
3 bundle antennas, 4 supports
5 the 3rd signal amplifiers, 6 helical antennas
7 secondary signal amplifiers, 8 first signal amplifiers
9 installing components, 10 feeder lines
11 connectors
[embodiment]
Please see figures.1.and.2 simultaneously, they have schematically demonstrated the internal structure external structure of a preferred embodiment of multi-functional integrated type antenna of the present invention.Shown in these figure; This multi-functional integrated type antenna mainly comprises housing 1, pedestal 2, first Anneta module, second Anneta module and third antenna module; Below will combine accompanying drawing to come these building blocks are carried out detailed explanation, so that can more be expressly understood their design feature, advantage and the function that is realized thereof.
In this preferred embodiment, on pedestal 2, be covered with housing 1, preferably with shape type of the being arranged to fin shape or the hemisphere of housing 1, will make that like this overall dimension of this multi-functional integrated type antenna is more compact.According to the arrangement requirement of inside antenna module, be suitable for usually housing 1 is sized to be not less than 175mm (length) * 75mm (wide) * 70mm (height).In addition; Under preferred situation; The external surface of objects that preferably also should the outer surface of pedestal 2 is arranged to be installed the place with this multi-functional integrated type antenna (for example; This roof outer surface when the present invention is installed in vehicle roof) shape is suitable; And also should between pedestal 2 and above-mentioned object, install protecting component (for example, between roof and pedestal 2, closely press-fiting the collision mat that cooperates etc.) in addition, get in this object through the joint of pedestal 2 with object to prevent water, gas and/or foreign material etc. with elastic performance.
As shown in Figure 2, above-mentioned first Anneta module, second Anneta module and the third antenna module of installing on pedestal 2, their function is to be used for respectively to receive processing gps signal, television broadcasting signal and radio signals.Because housing 1 has adopted foregoing type of fin shape or hemispheric profile; Therefore can above-mentioned these antenna module be installed on the pedestal 2 along the direction that the distance between housing 1 and the pedestal 2 increases gradually successively, thereby make the unusual compactness of reasonable structural arrangement, size of this multi-functional integrated type antenna.Under present technical conditions, above-mentioned television broadcasting signal comprises existing numeral and/or analog tv broadcast signal, and radio signals then comprises radio signals such as amplitude modulation, frequency modulation and/or shortwave.It is pointed out that the progress along with technical merit, they also will can comprise other forms of television broadcasting and the radio signals that in the future occurs without doubt.That is to say that according to design philosophy of the present invention, second Anneta module wherein and third antenna module can receive and handle various types of television broadcastings and radio signals without any exception on function.
Particularly, as shown in Figure 2, in second Anneta module, it comprises helical antenna 6 and secondary signal amplifier 7, and 7 in secondary signal amplifier comprises first module and Unit second.Wherein, for first module, it is connected in helical antenna 6 and is used to carries out processing and amplifying to the uhf band signal in the television broadcasting signal that receives; And for Unit second; It then is to be connected in the third antenna module; And be used to that the VHF frequency band signals in the television broadcasting signal that receives through the antenna that in the third antenna module, is provided with is carried out processing and amplifying and (that is to say; In the present embodiment; For the television broadcasting signal of VHF frequency range receive be shared as the described third antenna module in back in bundle antenna 3 so that save the overall dimensions space of multi-functional integrated type antenna of the present invention, and the manufacturing cost of practicing thrift antenna simultaneously).Certainly, under some special occasions, also the reception antenna to VHF band tv broadcast singal can be set specially in second Anneta module directly.In addition, above-mentioned first module and Unit second preferably all should comprise filtration module and automatic gain (AGC) module simultaneously, to carry out filtration treatment and signal gain processing to television broadcasting signal respectively.Such filtration module and automatic gain module can be realized by corresponding filter circuit and agc circuit, self supply power for secondary signal amplifier 7 and then adopt the coaxial power supply of signal cable (Phantom) mode.Under preferable situation, should 1/4 of uhf band wavelength in the television broadcasting signal is arranged to equal or is substantially equal to the length of helical antenna 6, just can confirm the needed spiral number of turns according to the diameter of helical antenna like this.Above term " roughly " implication in this article is meant certain (or some) definite parameter or insubstantial deviations of character, promptly in fact should allow hereto (or these) definite parameter or character near value.
As shown in Figure 2, in the third antenna module, it comprises that bundle antenna 3 and the 3rd signal amplifier 5, the three signal amplifiers 5 are to be used to the radio signals that is received by bundle antenna 3 is carried out processing and amplifying.In this preferred embodiment, bundle antenna 3 is that the plain conductor winding is being on the cross support 4, and the length of this bundle antenna 3 equals or is substantially equal to 1/4 of frequency modulation band wavelength in the radio broadcasting.Thus, according to 1/4 wavelength of the size and the frequency modulation frequency range of support 4, just can confirm the winding number of turns of bundle antenna 3.As previously mentioned, receive to the television broadcasting signal of VHF frequency range, also can shared bundle antenna 3, Unit second that the output of its aerial signal is inserted television broadcasting signal amplifier module 7 along separate routes is to carry out subsequent treatment.Similarly, in the 3rd signal amplifier 5, also can adopt filter circuit and agc circuit to handle to received signal equally, and the 3rd signal amplifier 5 self power supply also can be adopted the coaxial power supply of signal cable (Phantom) mode.
As shown in Figure 2 again, in first Anneta module, it comprises the ceramic antenna and first signal amplifier 8, and this first signal amplifier 8 is that the gps signal that is used to received by ceramic antenna carries out processing and amplifying.Preferably, first signal amplifier is a low noise amplifier.In Fig. 2, having specifically illustrated is that the first above-mentioned Anneta module is arranged in the housing of this multi-functional integrated type antenna foremost.
Please refer to Fig. 1 and Fig. 2, the various signals that receive processing via the first above Anneta module, second Anneta module and third antenna module respectively are outwards to export through the feeder line 10 that is installed on pedestal 2 and/or the housing 1.In this preferred embodiment; Feeder line 10 is the through holes that pass in the installing component 9 (like double-screw bolt etc.) that is installed on the pedestal 2; Be connected to the various connectors 11 of peripheral hardware then and finally insert the various functional devices of peripheral hardware, thereby accomplished the signal transmission path of whole multi-functional integrated type antenna of the present invention.
In other numerous embodiment of the present invention, can also change flexibly to above-mentioned each part in the multi-functional integrated type antenna of the present invention, to be adapted to different application scenarios.For example, in one embodiment, can the bundle antenna 3 in the third antenna module be changed by the plain conductor winding is processed on the support that is intersecting parallels or other any suitable shape 4.In another embodiment, the combined shaped that can the shape of housing 1 be re-established as the camber line shape of any suitable, perhaps combines by a plurality of camber lines or straight line connection.And In yet another embodiment; Be not that first Anneta module, second Anneta module and third antenna module are installed according to the direction that increases gradually along distance between housing 1 and the pedestal 2 in the above-mentioned preferred embodiment fully successively, but come adjustment flexibly to set the installation position of above-mentioned three Anneta modules in housing 1 according to actual user demand situation.
More than come sets forth in detail multi-functional integrated type antenna of the present invention with the mode of enumerating some specific embodiments; Said example only supplies to explain the usefulness of principle of the present invention and execution mode thereof; But not limitation of the present invention; Under the situation that does not break away from the spirit and scope of the present invention, those of ordinary skill in the art can also make various distortion and improvement.Therefore, all technical schemes that are equal to all should belong to category of the present invention and limited by each item claim of the present invention.
Claims (12)
1. multi-functional integrated type antenna; It comprises pedestal and covers at the housing on the said pedestal; It is characterized in that; Be equiped with on the said pedestal and be used to receive first Anneta module of handling gps signal, be used to receive second Anneta module of handling television broadcasting signal and be used to receive the third antenna module of handling radio signals, said first Anneta module, second Anneta module and third antenna module receive each signal of handling via the feeder line output that is installed on said pedestal and/or the said housing.
2. multi-functional integrated type antenna according to claim 1 is characterized in that, said housing type of being fin shape or hemisphere.
3. multi-functional integrated type antenna according to claim 2; It is characterized in that said first Anneta module, second Anneta module and third antenna module are installed on the said pedestal along the direction that the distance between said housing and the said pedestal increases gradually successively.
4. multi-functional integrated type antenna according to claim 1 is characterized in that, it is suitable that the outer surface of said pedestal and said multi-functional integrated type antenna are installed the external surface of objects shape at place.
5. multi-functional integrated type antenna according to claim 4; It is characterized in that; Said multi-functional integrated type antenna also comprises protecting component, and it is installed in and is used between said pedestal and the said object preventing that sealing, gas and/or foreign material get into said object through the joint of said pedestal and said object.
6. according to each described multi-functional integrated type antenna among the claim 1-5; It is characterized in that; Said first Anneta module comprises ceramic antenna and coupled first signal amplifier that connects, and said first signal amplifier is used for the gps signal that is received by said ceramic antenna is carried out processing and amplifying.
7. multi-functional integrated type antenna according to claim 6 is characterized in that, said first signal amplifier is a low noise amplifier.
8. according to each described multi-functional integrated type antenna among the claim 1-5; It is characterized in that; Said second Anneta module comprises helical antenna and secondary signal amplifier; Said secondary signal amplifier comprises first module and Unit second; Said first module is connected in said helical antenna so that the uhf band signal in the television broadcasting signal that receives is carried out processing and amplifying, and said Unit second is connected in said third antenna module so that the VHF frequency band signals in the television broadcasting signal that is received by said third antenna module is carried out processing and amplifying.
9. multi-functional integrated type antenna according to claim 8; It is characterized in that said first module and Unit second include and be used for said television broadcasting signal is carried out the filtration module of filtration treatment and is used for said television broadcasting signal is carried out the automatic gain module that signal gain is handled.
10. multi-functional integrated type antenna according to claim 8 is characterized in that, the length of said helical antenna equals or is substantially equal to 1/4 of uhf band wavelength in the television broadcasting signal.
11. according to each described multi-functional integrated type antenna among the claim 1-5; It is characterized in that; Said third antenna module comprises bundle antenna and coupled the 3rd signal amplifier that connects, and said the 3rd signal amplifier is used for the radio signals that is received by said bundle antenna is carried out processing and amplifying.
12. multi-functional integrated type antenna according to claim 11 is characterized in that, the length of said bundle antenna equals or is substantially equal to 1/4 of frequency modulation band wavelength in the radio broadcasting.
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| CN2010105497690A CN102468529A (en) | 2010-11-18 | 2010-11-18 | Multifunctional integrated antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105497690A CN102468529A (en) | 2010-11-18 | 2010-11-18 | Multifunctional integrated antenna |
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| CN102468529A true CN102468529A (en) | 2012-05-23 |
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| CN2010105497690A Pending CN102468529A (en) | 2010-11-18 | 2010-11-18 | Multifunctional integrated antenna |
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| CN103427169A (en) * | 2012-05-24 | 2013-12-04 | 现代摩比斯株式会社 | Vehicle-mounted integrated antenna capable of receiving cmmb signal |
| CN103545596A (en) * | 2013-11-11 | 2014-01-29 | 公安部第一研究所 | Vehicle-mounted multi-frequency integrated antenna device |
| CN103682681A (en) * | 2012-09-03 | 2014-03-26 | 现代摩比斯株式会社 | Integrated antenna for vehicles |
| CN103928747A (en) * | 2013-01-16 | 2014-07-16 | 伊法克伊莱克斯有限公司 | Automotive Combined Antenna |
| CN104167601A (en) * | 2013-05-17 | 2014-11-26 | 卜放 | Shark fin antenna |
| KR20150009395A (en) * | 2013-07-16 | 2015-01-26 | 현대모비스 주식회사 | Integrated antenna appratus with isolation chracteristics for vehicles |
| CN105009358A (en) * | 2013-03-08 | 2015-10-28 | 原田工业株式会社 | On-board antenna waterproof structure |
| WO2016019784A1 (en) * | 2014-08-08 | 2016-02-11 | Laird Technologies (Shanghai) Co., Ltd. | Shark fin antenna assemblies |
| CN108023158A (en) * | 2017-12-15 | 2018-05-11 | 广东盛路通信科技股份有限公司 | A kind of GNSS and LTE is antenna integrated |
| CN108777373A (en) * | 2018-04-27 | 2018-11-09 | 北京航威大洋微波科技有限公司 | A kind of multifrequency car antenna |
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| CN103427169A (en) * | 2012-05-24 | 2013-12-04 | 现代摩比斯株式会社 | Vehicle-mounted integrated antenna capable of receiving cmmb signal |
| CN103427169B (en) * | 2012-05-24 | 2017-07-25 | 现代摩比斯株式会社 | The vehicle-mounted integral antenna of CMMB signals can be received |
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| CN104300200B (en) * | 2013-07-16 | 2017-04-12 | 现代摩比斯株式会社 | Integrated antenna apparatus ensuring isolation characteristics and used for vehicles |
| KR20150009395A (en) * | 2013-07-16 | 2015-01-26 | 현대모비스 주식회사 | Integrated antenna appratus with isolation chracteristics for vehicles |
| KR102026678B1 (en) * | 2013-07-16 | 2019-09-30 | 현대모비스 주식회사 | Integrated antenna appratus with isolation chracteristics for vehicles |
| CN103545596B (en) * | 2013-11-11 | 2016-07-06 | 公安部第一研究所 | A kind of vehicle-mounted multi-frequency integrated antenna device |
| CN103545596A (en) * | 2013-11-11 | 2014-01-29 | 公安部第一研究所 | Vehicle-mounted multi-frequency integrated antenna device |
| CN111525242A (en) * | 2014-07-28 | 2020-08-11 | 株式会社友华 | Vehicle antenna device |
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| CN105375104A (en) * | 2014-08-08 | 2016-03-02 | 莱尔德电子材料（上海）有限公司 | Crocodile fin antenna assembly |
| CN105375104B (en) * | 2014-08-08 | 2018-05-25 | 莱尔德电子材料（上海）有限公司 | Shark fins antenna module |
| CN109565109A (en) * | 2016-10-21 | 2019-04-02 | 株式会社友华 | Antenna assembly |
| CN109565109B (en) * | 2016-10-21 | 2022-03-22 | 株式会社友华 | Vehicle-mounted antenna device |
| US10615885B2 (en) | 2016-11-28 | 2020-04-07 | Johns Manville | Self-adhesive membrane for mitigating passive intermodulation |
| US11578238B2 (en) | 2016-11-28 | 2023-02-14 | Johns Manville | Method for mitigating passive intermodulation |
| US10778343B2 (en) | 2016-11-28 | 2020-09-15 | Johns Manville | Method for mitigating passive intermodulation |
| US11542414B2 (en) | 2016-11-28 | 2023-01-03 | Johns Manville | Self-adhesive membrane for mitigating passive intermodulation |
| CN113839223B (en) * | 2017-02-23 | 2024-02-27 | 株式会社友华 | Antenna device |
| CN113839223A (en) * | 2017-02-23 | 2021-12-24 | 株式会社友华 | Antenna device |
| US11502395B2 (en) | 2017-10-11 | 2022-11-15 | Yokowo Co., Ltd. | Antenna device |
| EP3696913A4 (en) * | 2017-10-11 | 2021-07-07 | Yokowo Co., Ltd | Antenna device |
| CN111033896A (en) * | 2017-10-11 | 2020-04-17 | 株式会社友华 | Antenna device |
| CN108023158A (en) * | 2017-12-15 | 2018-05-11 | 广东盛路通信科技股份有限公司 | A kind of GNSS and LTE is antenna integrated |
| CN108777373A (en) * | 2018-04-27 | 2018-11-09 | 北京航威大洋微波科技有限公司 | A kind of multifrequency car antenna |
| CN108777373B (en) * | 2018-04-27 | 2023-12-22 | 北京航威大洋微波科技有限公司 | Multi-frequency vehicle-mounted antenna |
| US11909090B2 (en) | 2019-09-30 | 2024-02-20 | Parsec Technologies, Inc. | Antenna system |
| US12057641B2 (en) | 2020-11-09 | 2024-08-06 | Parsec Technologies, Inc. | Emergency portable hot spot with antennas built into cover |
| WO2024035805A1 (en) * | 2022-08-10 | 2024-02-15 | Parsec Technologies, Inc. | Antenna systems |
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Application publication date: 20120523 |