EP4181315A1 - Antenna for motor vehicles - Google Patents
Antenna for motor vehicles Download PDFInfo
- Publication number
- EP4181315A1 EP4181315A1 EP22207288.6A EP22207288A EP4181315A1 EP 4181315 A1 EP4181315 A1 EP 4181315A1 EP 22207288 A EP22207288 A EP 22207288A EP 4181315 A1 EP4181315 A1 EP 4181315A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- antenna
- coupling means
- mechanical coupling
- cover
- gasket
- 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.)
- Pending
Links
- 230000008878 coupling Effects 0.000 claims abstract description 33
- 238000010168 coupling process Methods 0.000 claims abstract description 33
- 238000005859 coupling reaction Methods 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 6
- 239000007769 metal material Substances 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 241000251730 Chondrichthyes Species 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 229910000842 Zamak Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/32—Adaptation for use in or on road or rail vehicles
- H01Q1/325—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/32—Adaptation for use in or on road or rail vehicles
- H01Q1/325—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle
- H01Q1/3275—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle mounted on a horizontal surface of the vehicle, e.g. on roof, hood, trunk
-
- 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
- H01Q1/48—Earthing means; Earth screens; Counterpoises
Abstract
- a mounting plate (20) made of a metallic material and devised to be connected to a mounting surface of said motor vehicle;
- at least one radiating element (12);
- a first cover (1) connected to said mounting plate (20), said first cover (1) comprising at least a first hollow portion (2) devised to accommodate inside it, at least partially, at least said radiating element (12); and
- a gasket (30) made of a flexible material, said gasket (30) comprising a first portion (31) which is shaped geometrically, conjugated with and coupled to the mounting plate (20), and a second portion (35) which extends anteriorly from the first portion (31) and on which there are provided at least first mechanical coupling means (37) with corresponding mechanical coupling means provided on the inner cover (1).
Description
- The present invention relates to an antenna for motor vehicles having an optimized structure and assembly.
- The antenna according to the invention is especially suitable for use in motor vehicles, for example mounted on the roof of a motor vehicle, and will be described here below with reference to said use without however limiting possible applications to other types of vehicles, such as buses, trucks, commercial vehicles, etc..
- As is known in the art, antennas devised for being mounted on the roof or any other external surface of a motor vehicle substantially comprise a functional part, constituted by a plurality of components suitably configured and assembled to each other in such a way as to ensure the mounting and proper functioning of the antenna, and a purely aesthetic part, typically a cover or cap configured for example as a shark fin, which is suitable to be coupled to the functional part, and whose purpose is to guarantee and maintain adequate aesthetic value of the motor vehicle once the antenna has been installed.
- In the development of these antennas, one of the unavoidable objectives is to obtain a solution where the production, assembly of the components and mounting on the motor vehicle are as simple, reliable and cost-effective as possible.
- In particular, as far as the assembly of this type of antenna is concerned, an important aspect regards the mechanical stability of the assembled parts which form its functional part.
- In fact, quite frequently the functional part and the aesthetic part are produced separately, even by different manufacturers, and are then sent separately and assembled together at a later moment, for example during installation on the motor vehicle.
- In this case, therefore, it is even more important to guarantee the stability and mechanical reliability of the assembly of the components making up the functional part which then has to be coupled to the aesthetic part.
- Therefore, the aim of the present invention is to provide an antenna for motor vehicles which makes it possible to optimize one or more of the above-mentioned aspects..
- This, as well as others which will become more apparent from the following description, is reached by means of an antenna for motor vehicles whose characteristics are defined in
claim 1. - Particular embodiments are object of the dependent claims and are intended as integral part of the present description.
- Further characteristics and advantages of the invention will become more apparent from the following detailed description of exemplary and non-limiting embodiments, and with reference to the attached drawings, where:
-
figure 1 is an exploded view of a possible embodiment of the antenna according to the invention; -
figure 2 is an underneath view of the outer aesthetic cover illustrated infigure 1 ; -
figures 3-7 illustrate, from different perspectives, some assembly stages of some of the components of the antenna infigure 1 . - It should be noted that in the following detailed description, identical or similar components, from both structural and/or functional points of view, may be indicated with the same or different reference numbers, independently of the fact that they may be shown in different embodiments of the present invention or in distinct parts.
- It should also be noted that, in order to illustrate this invention clearly and concisely, the drawings are not necessarily to scale and certain characteristics of the description may be shown in a rather schematic form.
- Furthermore, when the term "adapted" or "organized" or "configured" or "shaped" or a similar term is used in this document, with reference to any component whatsoever as a whole or to any part whatsoever of a component or a combination of components, it must be understood as meaning and comprising correspondingly the structure and/or configuration and/or shape and/or position.
- Finally in the following description and claims, the ordinal numbers first, second, etc., will be used for greater illustrative clarity and in no way must be understood as limiting for any reason whatsoever; in particular, for example the indication "first coupling means..." does not necessarily imply the presence or specific requirement that there are further "second coupling means", or vice versa, unless said presence is strictly necessary for the correct functioning of the antenna according to the invention, nor that the order must be exactly in the sequence described with reference to the illustrated embodiments.
-
Figure 1 is an exploded view illustrating a possible embodiment of the various components of an antenna according to the invention, indicated with theoverall reference number 100. - The
antenna 100 according to the invention comprises at least: - a first cover or
inner protection cover 1; - at least one
radiating element 12 which effectively constitutes the element suitable to receive/transmit signals, and is operationally connected to the printedcircuit board 10; - a base or
mounting plate 20 which, during installation of theantenna 100, is intended to be connected to a mounting surface of a motor vehicle, for example to its roof; - at least one
gasket 30 which, as will be seen in more detail in the following description, acts both as a holding element and as an assembly element. - Furthermore, the
antenna 100 may comprise a second cover orouter cover 40, which is suitable to externally cover the above mentioned antenna components, and substantially acts as an element of aesthetic covering. - As illustrated in
figure 1 , the first cover orinner protection cover 1 is composed of an internally hollow structure, for example made of plastic material, and comprises a firsthollow portion 2 intended to accommodate at least partially the at least oneradiating element 12. - As illustrated for ease of illustration only in
figure 5 , on theupper part 3 of the firsthollow portion 2 there is at least oneopen slit 4 which extends longitudinally from of therear part 5 towards a front or anterior wall 6 (when thecover 1 is seen from a side view) of saidfirst portion 2. - Depending on the application requirements, the
slit 4 may be a single continuous section which extends along entirely or only part of the upper part of thewall 3 between therear wall 5 and thefront wall 6, or it may be composed of two or more sections separated from each other. Respective flexible clasps can be provided between adjacent separated sections of theslit 4. - Advantageously, in the
antenna 100 according to the invention theinner cover 1 comprises asecond portion 7 which extends (when seen from a side view) anteriorly, namely ahead, from thefront wall 6 of thefirst portion 2 and is provided with mechanical coupling means with thegasket 30 as will be seen more in detail in the following description. - In particular, in the illustrated embodiment, the
second portion 7 comprises a substantially rectilinear wall 8, and the mechanical coupling means with thegasket 30 comprise apin 9 which protrudes downwardly from the lower free end of the wall 8 itself, and is suitably intended for the mechanical coupling with thegasket 30. - In its turn, the second
outer cover 40 is composed of an internally hollow structure, for example made of plastic material and which, as can be seen infigure 2 , comprises means for mechanical coupling with thegasket 30, formed for example by one ormore engagement seats 42, in the illustrated embodiment twoengagement seats 42. - Furthermore, the
outer cover 40 comprises, along its inner edge, a plurality of holes orhollow seats 44 suitable to house fixing screws (not illustrated in the figure) to themounting plate 20. - In the embodiment illustrated in the figures, the at least one radiating element comprises a first
radiating element 12, a secondradiating element 13 and a thirdradiating element 14. - Furthermore, according to said embodiment, the
antenna 100 comprises at least one printed circuit board, and in particular a first printedcircuit board 10 and a second printedcircuit board 11. - According to said embodiment, the first
radiating element 12 is operationally coupled to the first printedcircuit board 10, and the secondradiating element 13 and the third radiatingelement 14 are operationally coupled to the second printedcircuit board 11. - Clearly, depending on the applications, it is possible to use a different number of radiating elements, for example on the basis of the different types of signals to receive/transmit, as also a different number of printed circuit boards.
- For example, it is possible that the electronics necessary for the functioning of one or of each radiating element utilized be placed on the same radiating element, without using separate circuit boards.
- In the
antenna 100 according to the invention, themounting plate 20 is made of metallic material, for example Zamak, and comprises, as illustrated more in detail infigure 3 , abase 22 from which afirst wall 24 rises which defines ahousing space 26. - In the example illustrated in the figures, the
first wall 24 extends around the entire perimeter of thehousing space 26; clearly, it is possible that thefirst wall 24 extends along only one or more sections and not necessarily along the entire perimeter of thehousing space 26. - A plurality of first holes or fixing seats 27 are located along the
first wall 24, suitable for fixing, for example by means ofscrews 15, the or each printedcircuit board seats 28 are located along the edge of thebase 22 outside thefirst wall 24 suitable for fixing theinner cover 1, for example by means ofscrews 17, and a third plurality of holes or fixingseats 29 suitable to be aligned with the holes orhollow seats 44 for fixing theouter cover 40 by means of other fixing screws. - On the bottom wall of the
housing 26, at least a first throughhole 21 is provided intended for the insertion of cables, indicated infigure 1 by theoverall reference number 50, for the wiring of the variousradiating elements hole 23 provided for example with asleeve 25 for connecting, with the mechanical coupling means of theantenna 100, and in particular of themounting plate 20, to the mounting surface of the motor vehicle. - In the embodiment illustrated in
figure 1 , said mechanical coupling means comprise for example agasket 51, afixing screw 52, a finned washer orgroundwasher 54, and a mechanical fixing device orspline device 56. - The
gasket 30 has a substantially flexible structure, made for example of rubber material, for example "Teflabloc Tosi 431" or "Thermolast TP6 HKZ", or of EPDM rubber and, in the illustrated embodiment, is generally shaped like the base of an iron. - In particular, as can be better seen in
figure 4 , thegasket 30 comprises afirst portion 31 which is shaped in a manner geometrically conjugated with themounting plate 20 and comprises a through opening 32 suitable to house thefirst wall 24. - A
second wall 34 rises above the edge of the through opening 32 and is intended to rest upon the external surface of thefirst wall 24. - Around the
second wall 34, further throughopenings 36 are provided suitable to be positioned in correspondence of and overlapping with the second and third holes or fixingseats plate 20 itself. - Advantageously, the
gasket 30 comprises a second portion, for ease of illustration illustrated only infigures 4 and7 with thereference number 35, which extends (when seen from a side view) anteriorly, namely ahead from thefirst portion 31 and on which mechanical coupling means are provided (hereinafter for the sake of clarity of illustration indicated as the first mechanical coupling means) at least with theinner cover 1, and in particular with the above mentioned corresponding mechanical coupling means of theinner cover 1. - In particular, in the embodiment illustrated, said mechanical coupling means form integral part of the structure of the
gasket 30, in other words they are not additional elements connected to it, and comprise, as for example visible infigures 1 and4 , ahousing seat 37, located for example towards the point orfront edge 36 of thegasket 30. - During assembly, and as visible for example in
figure 7 , thepin 9 of theinner cover 1 is inserted into theseat 37 and is thus mechanically coupled to thegasket 30. - Usefully, the
gasket 30 comprises means for mechanical coupling (hereinafter indicted for the sake of clarity of illustration as second mechanical coupling means) with the second cover orouter cover 40. - In particular, said second mechanical coupling means form integral part of the structure of the
gasket 30, in other words they are not additional elements connected to it, and comprise, as visible for example infigures 1 and4 , two protuberances orengagement teeth 38 which extend above the base of theportion 35 and are configured in such a way as to be each inserted into acorresponding engagement seat 42 of theouter cover 40. - Conveniently, the
gasket 30 is further configured so as to comprise means for mechanical coupling with the mounting plate 20 (hereinafter indicated for the sake of clarity of illustration as third mechanical coupling means). - In particular, in the embodiment illustrated, as for example visible in
figure 6 , said third mechanical coupling means form integral part of the structure of thegasket 30, in other words they are not additional elements connected to it, and comprise one ormore engagement teeth 39. - In the embodiment illustrated, as for example visible in
figure 7 , for example three engagement teeth are provided one of which positioned alongside the front edge of themounting plate 20 and two alongside the two lateral sides of said plate. - In practice, according to the embodiment illustrated, during assembly, as visible in
figure 4 , theprinted circuit boards first wall 24 of themounting plate 20, for example by means of thescrews 15, with the ends of thecables 50 which pass through the throughhole 21 and are connected to the respective circuit boards, for example welded, remaining accommodated in thehousing space 26. Eachradiating element antenna 100; in fact, as mentioned above, the electronics necessary for the functioning of each radiating element used can be integrated into the structure of the element itself, or said electronics can be housed for example in thehousing space 26, or again the circuit board or each circuit board can be mounted outside theantenna 100, for example inside the motor vehicle and then operatively connected to one or more radiating elements used in saidantenna 100. - As illustrated in
figure 4 , it is possible to insert one or moreprotective elements 18 around the top of one or more of theradiating elements - The
gasket 30 is then coupled to themounting plate 20 with thesecond wall 34 positioned around thefirst wall 24, and the throughopenings 36 positioned in correspondence of the second and third holes or fixingseats mounting plate 20. - As illustrated in
figure 6 , taking advantage also of the flexibility of the material of which thegasket 30 is made, theengagement teeth 39 are mechanically hooked to the lower surface of corresponding external edges of theplate 20, while thesecond portion 35 extends (when seen from a side view) anteriorly, namely ahead, from thefirst portion 31 coupled to theplate 20. - The
inner cover 1 is then coupled both to thegasket 30 by inserting thepin 9 into itshousing seat 37, and to themounting plate 20 fitting it from above over the cavity of the firsthollow portion 2 which houses at least in part each radiating element used and any circuit board(s) used inside theantenna 100. - In the embodiment illustrated, as visible in
figure 5 , theinner cover 1 completely houses and protects the radiating elements and any circuit boards used. - The cover is then screwed onto the
mounting plate 20, in particular by means of thefixing screws 17 inserted into the holes or fixingseats 28 provided along the external perimeter of thebase 22 of said plate. - The
protective elements 18 contribute to maintaining the radiating elements in the desired position and protect them from accidental shocks and avoid the noise caused by vibrations with theinner cover 1. - Finally, whenever necessary, the aesthetic
outer cover 40 can be assembled to the rest of the components, fitting it over theinner protection cover 1. - In particular, the
outer cover 40 is coupled to thegasket 30 by inserting eachprotuberance 38 inside arespective engagement seat 42. - Furthermore, the
outer cover 40 is screwed to the mountingplate 20, aligning theholes 44 with the fixingseats 29 and inserting the fixing screws. - Depending on the applications, it is possible for the upper part of the radiating elements to pass through the one or
more slits 4, coming out of thecover 1, so as to take maximum advantage of their height. - In this case, the
protective elements 18 contribute to maintaining the radiating elements in the desired position and protect them from accidental impact with theouter cover 40. - In order to mount the
antenna 100 on a motor vehicle, for example on the roof, the mechanical connection means mentioned previously are used, in other words thegasket 51, fixingscrews 52,ground washer 54 and themechanical fixing device 56. - Said mechanical connection is implemented according to known embodiments or easily implementable by a person skilled in the art, and anyway not relevant for the scope of the present invention, and therefore not described here in detail.
- In practice, it has been demonstrated how the
antenna 100 according to the invention makes it possible to adequately reach the intendedaim in that its structure can be easily produced and with more limited costs, thanks in particular to the reduction in size of the mounting base, made typically of metallic material, thus reducing both the cost and overall weight of the antenna. Furthermore, assembly of the parts is functionally simple and effective, thanks in particular to the use of the gasket suitably configured as described above, giving rise to a mechanically solid and reliable structure. In this way, the functional part of theantenna 100 can be assembled and sent to the installation area even separately from the aestheticouter cover 40, without running the risk of breakage or even partial disassembly of the components. - Naturally, without prejudice to the scope of the invention, many variations and implementation details thereof may be applied to the above-described exemplary and non-limiting embodiments, without departing from the scope of protection of the invention as defined in the accompanying claims and include a combination, even partial, of the embodiments illustrated. For example, the number and position of the
engagement teeth 39, as also the fixingseats
Claims (10)
- Antenna (100) for a motor vehicle, characterized in that it comprises at least:- a mounting plate (20) made of a metallic material and devised to be connected to a mounting surface of said motor vehicle;- at least one radiating element (12);- a first cover (1) connected to said mounting plate (20), said first cover (1) comprising at least a first hollow portion (2) devised to accommodate inside it, at least partially, at least said radiating element (12); and- a gasket (30) made of a flexible material, said gasket (30) comprising a first portion (31) which is shaped geometrically, conjugated with and is coupled to the mounting plate (20), and a second portion (35) which extends anteriorly from the first portion (31) and on which there are provided at least first mechanical coupling means (37) with corresponding mechanical coupling means provided on the first cover (1).
- Antenna (100) according to claim 1, wherein said first mechanical coupling means (37) are integrally realized in the structure of the gasket (30).
- Antenna (100) according to claim 1 or 2, wherein said first mechanical coupling means (37) comprise at least one housing seat (37) formed on said second portion (35).
- Antenna (100) according to claim 3, wherein said inner cover (1) comprises a second portion (7) which extends anteriorly from an anterior wall (6) of the first hollow portion (2), and said corresponding mechanical coupling means provided on said inner cover (1) comprise a pin (9) which protrudes downwardly from said second portion (7) and is configured to engage into said housing seat (37).
- Antenna (100) according to one or more of the preceding claims, wherein said gasket (30) comprises second mechanical coupling means (39) with said mounting plate (20), said second mechanical coupling means (39) being integrally realized in the structure of the gasket (30).
- Antenna (100) according to claim 5, wherein said second mechanical coupling means (39) comprise one or more engagement teeth (39) adapted to engage with corresponding outer edges of the mounting plate (20).
- Antenna (100) according to one or more of the preceding claims, comprising a second cover (40) having an internally hollow body adapted to be connected to the mounting plate (20) so as to accommodate inside it at least said first cover (1), and wherein said gasket (30) comprises third mechanical coupling means (38) with corresponding mechanical coupling means (42) provided on said second cover (40).
- Antenna (100) according to claim 7, wherein said third mechanical coupling means (38) are integrally realized in the structure of the second portion (35) of the gasket (30).
- Antenna (100) according to claim 7 or 8, wherein said third mechanical coupling means (38) comprise one or more protuberances (38) and said corresponding mechanical coupling means (42) provided on said second cover (40) comprise one or more engagement seats (42) configured each to receive a corresponding protuberance (38).
- Antenna (100) according to one or more of the preceding claims, wherein on an upper portion (3) of the first hollow portion (2) of the first cover (1) there is provided at least one slit (4) suitable to allow the passage of at least a portion of said radiating element (12).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT102021000028934A IT202100028934A1 (en) | 2021-11-15 | 2021-11-15 | Automotive antenna |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4181315A1 true EP4181315A1 (en) | 2023-05-17 |
Family
ID=80122077
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP22207288.6A Pending EP4181315A1 (en) | 2021-11-15 | 2022-11-14 | Antenna for motor vehicles |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP4181315A1 (en) |
CN (1) | CN116130932A (en) |
IT (1) | IT202100028934A1 (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090066593A1 (en) * | 2007-09-12 | 2009-03-12 | Laird Technologies, Inc. | Vehicle-mount stacked patch antenna assemblies with resiliently compressible bumpers for mechanical compression to aid in electrical grounding of shield and chassis |
US20100265147A1 (en) * | 2008-07-11 | 2010-10-21 | Nippon Antena Kabushiki Kaisha | Antenna apparatus |
US20160064807A1 (en) * | 2014-08-29 | 2016-03-03 | Laird Technologies, Inc. | Multiband Vehicular Antenna Assemblies |
KR102024714B1 (en) * | 2018-07-25 | 2019-09-25 | 주식회사 에이스테크놀로지 | Waterproof structure for vehicle antenna |
JP2020162027A (en) * | 2019-03-27 | 2020-10-01 | ミツミ電機株式会社 | Antenna base device and antenna device |
US20210044006A1 (en) * | 2018-02-08 | 2021-02-11 | Yokowo Co., Ltd. | Antenna device for vehicle |
-
2021
- 2021-11-15 IT IT102021000028934A patent/IT202100028934A1/en unknown
-
2022
- 2022-11-14 CN CN202211416960.7A patent/CN116130932A/en active Pending
- 2022-11-14 EP EP22207288.6A patent/EP4181315A1/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090066593A1 (en) * | 2007-09-12 | 2009-03-12 | Laird Technologies, Inc. | Vehicle-mount stacked patch antenna assemblies with resiliently compressible bumpers for mechanical compression to aid in electrical grounding of shield and chassis |
US20100265147A1 (en) * | 2008-07-11 | 2010-10-21 | Nippon Antena Kabushiki Kaisha | Antenna apparatus |
US20160064807A1 (en) * | 2014-08-29 | 2016-03-03 | Laird Technologies, Inc. | Multiband Vehicular Antenna Assemblies |
US20210044006A1 (en) * | 2018-02-08 | 2021-02-11 | Yokowo Co., Ltd. | Antenna device for vehicle |
KR102024714B1 (en) * | 2018-07-25 | 2019-09-25 | 주식회사 에이스테크놀로지 | Waterproof structure for vehicle antenna |
JP2020162027A (en) * | 2019-03-27 | 2020-10-01 | ミツミ電機株式会社 | Antenna base device and antenna device |
Also Published As
Publication number | Publication date |
---|---|
CN116130932A (en) | 2023-05-16 |
IT202100028934A1 (en) | 2023-05-15 |
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