CN103138039A - Multifunctional antenna - Google Patents
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- CN103138039A CN103138039A CN2013100827255A CN201310082725A CN103138039A CN 103138039 A CN103138039 A CN 103138039A CN 2013100827255 A CN2013100827255 A CN 2013100827255A CN 201310082725 A CN201310082725 A CN 201310082725A CN 103138039 A CN103138039 A CN 103138039A
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- 239000000758 substrate Substances 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 7
- 238000004080 punching Methods 0.000 claims description 6
- 241000251730 Chondrichthyes Species 0.000 claims description 4
- 238000010295 mobile communication Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical group C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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Abstract
The invention discloses a multifunctional antenna which comprises a rectangular main circuit board, a top loading helical antenna body and a first antenna body. The top loading helical antenna body is perpendicular to the main circuit board, and the first antenna body is plate-shaped, perpendicular to main circuit board and parallel to the broadside of the main circuit board. The multifunctional antenna comprises the top loading helical antenna body and the first antenna body, the top loading helical antenna works in an amplitude modulation (AM) / frequency modulation (FM) frequency channel, the first antenna body can work in one or more than one of a global system for mobile communication (GSM) frequency channel, a code division multiple access (CDMA) frequency channel, a wideband code division multiple access (WCDMA) frequency channel and a long time evolution (LTE) frequency channel, and therefore the multifunctional antenna can receive kinds of signals. In addition, the multifunctional antenna is further provided with an antenna containing groove containing a second antenna body, the antenna containing groove and the first antenna are located on two sides of the top loading helical antenna, and the second antenna body can be a global positioning system (GPS) antenna or simultaneously has a GPS function and a compass function, and therefore frequency channels received by the multifunctional antenna are further expanded.
Description
Technical field
The present invention relates to a kind of Multi-Function Antenna, relate in particular to the car antenna for vehicle or boats and ships, this car antenna not only has the function of transmitting-receiving AM/FM signal, and, also have the function that receives at least a kind of signal in gps signal, Big Dipper signal, mobile phone mobile communication signal and DVB signal.
Background technology
The antenna that can receive the AM/FM signal has been widely used in vehicle or boats and ships, to satisfy the drive a vehicle needs of broadcast listening in process or the process of navigating, station information of people.Enter 21 century, development along with mobile communication technology and location technology, car owner and shipowner sometimes also need to determine own position and receive telephone signal etc., can receive the communication antenna of the positioning antenna such as satellite navigation GPS or Beidou antenna and GSM frequency range, CDMA frequency range, WCDMA frequency range and LTE frequency range to expect vehicle.So, be badly in need of at present a kind of antenna, this antenna can be realized the function of AM/FM frequency range and the function of at least a other antennas.
Summary of the invention
The problem that the present invention solves is that the antenna of existing vehicle or boats and ships only can receive the problem of the function of AM/FM signal.
For addressing the above problem, the invention provides a kind of Multi-Function Antenna, this antenna comprises the main circuit board that is rectangle, helical antenna and the first antenna that the top loads, the helical antenna that described top loads is perpendicular to main circuit board; Described the first antenna is tabular, perpendicular to main circuit board and be parallel to the broadside of main circuit board, the helical antenna that described top loads and the first antenna also mutual vertical setting.
Alternatively, the helical antenna that described top loads comprises spire and antenna top, and this spire is helical spring or turned to helical form and consisted of by metallic conductor, and described antenna top is trapezoidal or triangle.
Alternatively, the helical antenna that described top loads comprises spire and the antenna top that is connected with spire, this spire comprises the pcb board and the spiral plain conductor that is formed on pcb board on the long limit that is parallel to described main circuit board, and the antenna of described helical antenna pushes up and is trapezoidal or triangle.
Alternatively, described the first antenna is tabular by the metallic plate punching press, perhaps, described the first antenna comprises pcb board and is formed at the metal wire of pcb board, the pcb board of the helical antenna that the pcb board of this first antenna loads perpendicular to the top, the antenna top of the helical antenna that described top loads are also perpendicular to the pcb board of the first antenna.
Alternatively, described antenna pushes up and is made of sheet metal, comprises the substrate and the side plate that is positioned at the relative both sides of substrate of vertical connection spire, and described substrate is parallel to described main circuit board, and every side plate and substrate arrange in obtuse angle and consist of described trapezoidal.
Alternatively, the helical antenna of described top loading and the distance between the first antenna are 10mm～20mm.
Alternatively, described Multi-Function Antenna also comprises base plate, be installed on base plate and have the radome that is the shark fin-shaped and second antenna of cavity, and described main circuit board is assemblied on base plate and is positioned at described cavity with helical antenna and the first antenna that described top loads along the length direction of base plate; Described second day line parallel is positioned on base plate and is positioned at a side of radome width minimum, be positioned at the relative both sides of top loading helical antenna with the first antenna, the helical antenna that this second antenna, the first antenna and top load is along the length direction setting of base plate, and the helical antenna that this second antenna, the first antenna and top load is also vertical in twos along the length direction setting of base plate.
Alternatively, described the second antenna is 40mm～50mm with the distance of the helical antenna of top loading.
Compared with prior art, the present invention has the following advantages:
1, because Multi-Function Antenna of the present invention comprises helical antenna and the first antenna that the top loads, the helical antenna that the top loads is AM/FM, the first antenna is to receive one or more in the signal of GSM frequency range, CDMA frequency range, WCDMA frequency range, LTE frequency range or DVB frequency range, so antenna of the present invention can receive multi-signal.In addition, owing to also being provided with the antenna holding tank that holds the second antenna, and this antenna holding tank and the first antenna be positioned at the relative both sides of the helical antenna that the top loads, and the second antenna can be gps antenna or Beidou antenna, like this, further expanded the frequency range of reception signal of the present invention.In addition, the helical antenna that the first antenna and top are loaded perpendicular on main circuit board and the first day line parallel in the broadside of main circuit board, can also avoid the interference between helical antenna that the first antenna and top load, make antenna reception effective.
2, the spire of the helical antenna that loads of described top comprises the pcb board that is parallel to main circuit board long limit and is formed at spiral plain conductor on this pcb board, like this, the spire that is equivalent to the top loading helical antenna is parallel to the long limit of main circuit board and described first day line parallel in the broadside of main circuit board, has further reduced interference; In addition, because the first antenna is 10mm～20mm with the distance of pushing up the helical antenna that loads, like this, further making the first antenna and push up can the phase mutual interference between the helical antenna that loads.in the situation that described Multi-Function Antenna has the radome of shark fin-shaped, the second day line parallel is positioned on base plate and is positioned at a side of radome width minimum, and make the second antenna and the first antenna be positioned at the relative both sides of the helical antenna of top loading, like this, the first antenna, can the phase mutual interference between the helical antenna that the second antenna and top load, when the second antenna and the first antenna are positioned at the relative both sides of the helical antenna that the top loads and the distance of the helical antenna that loads with the top is 40mm～50mm, the helical antenna that further makes the top load, can the phase mutual interference between the second antenna and the first antenna.
3, push up because the AM/FM frequency range adopts the helical antenna that loads, the spire of the helical antenna that the top loads consists of inductance loading effect to antenna, and antenna pushes up antenna is consisted of the capacitive load effect, and like this, not only antenna efficiency is high, and the beamwidth of antenna is wider.
Description of drawings
Fig. 1 is the three-dimensional exploded view of Multi-Function Antenna of the present invention;
Fig. 2 is the constitutional diagram that the Multi-Function Antenna of Fig. 1 removes an angle of radome;
Fig. 3 is the constitutional diagram that the Multi-Function Antenna of Fig. 1 removes another angle after radome.
Embodiment
By describing technology contents of the present invention, structural feature in detail, being reached purpose and effect, below in conjunction with embodiment and coordinate accompanying drawing to be described in detail.
Those skilled in the art find in the sky line process that research and development vehicle or boats and ships are used, only have on vehicle or boats and ships can broadcast listening the AM/FM antenna can not satisfy car owner or shipowner's needs, if and more antenna is installed on vehicle or boats and ships, will be subject to the restriction in space.
In order to address the above problem, present embodiment discloses a kind of Multi-Function Antenna, this Multi-Function Antenna can receive the signal of AM/FM frequency range, also can receive at least the signal of a kind of frequency range in GSM frequency range, CDMA frequency range, WCDMA frequency range, LTE frequency range or DVB frequency range, can also receive the signal of GPS and the Big Dipper.The below is described in detail as follows to Multi-Function Antenna of the present invention:
See also Fig. 1 to Fig. 3, Multi-Function Antenna of the present invention comprises helical antenna 4, the first antenna 5 and the second antenna 6 that radome 1, base plate 2, main circuit board 3, top load.Described radome 1 is the shark fin-shaped with cavity in the present embodiment, and is installed on base plate 2 and consists of receiving spaces (not label) with base plate 2.Helical antenna 4, the first antenna 5 and the second antenna 6 that described top loads all are contained in the cavity of radome 1.Described base plate 2 have the first surface 21 that contacts with vehicle body or hull and with the opposing second surface 22 of first surface 21, concrete, pass base plate 2 and base plate 2 be connected with vehicle body hull connects so that first surface 21 contact vehicle body or hulls by screw.Described main circuit board 3 shape that is rectangle, the second surface 22(that is assemblied in base plate 2 along the length direction of base plate 2 that is to say that the length direction of main circuit board 3 and the length direction of base plate 2 are same directions), the signal that helical antenna 4, the first antenna 5 and the second antenna 6 that loads for the treatment of the top receives, assembling mode as for main circuit board 3 and base plate 2 can adopt prior art, does not repeat them here.
Please continue to consult Fig. 1 to Fig. 3, the helical antenna 4 that described top loads is installed on main circuit board 3 and perpendicular to main circuit board 3, is used for realizing the AM/FM(Frequency And Amplitude Modulation) function, comprise spire 41 and be connected in the antenna top 42 of spire 41.Spire 41 helical spring for realizing that inductance loads can certainly helical form consists of or the PCB antenna in order to be turned to by metallic conductor, to strengthen the operating efficiency of integrated antenna.In the present embodiment, spire 41 adopts the PCB antenna form, comprises pcb board 411 and the spiral plain conductor 412 that is formed on pcb board 411.Described pcb board 411 is welded in main circuit board 3 and perpendicular to main circuit board 3, also is parallel to the long limit of main circuit board 3.Antenna top 42 is the metal parts that is formed by sheet metal punching press or other similar technique, to realize capacitive load, described antenna top 42 is trapezoidal shape or triangle, be in the present embodiment isosceles trapezoid, concrete, antenna top 42 is to be made of the sheet metal punching press, the substrate 421 and the side plate 422 that is positioned at substrate 421 relative both sides that comprise vertical connection spire 41, described substrate 421 is parallel to described main circuit board 3, every side plate 422 and substrate 421 in obtuse angle α (as Fig. 3) arrange and consist of as described in isosceles trapezoid.The antenna of realizing the AM/FM function adopts the helical antenna that pushes up loading, not only make antenna efficiency high, radiation scope is large, and, also make the bandwidth of antenna wider, this point is extremely important for undersized antenna, and particularly antenna top adopts isosceles trapezoid design and spire to adopt the PCB antenna form to make that antenna efficiency is higher, radiation scope is larger and bandwidth is wider.Top loading helical antenna 4(AM/FM antenna) frequency coverage 535kHz to 1735kHz and 88MHz to 108MHz.Antenna produces resonance in 88MHz to 108MHz scope, there is no resonance in 535kHz to 1735kHz frequency range.The FM frequency range (76MHz to 93MHz) that antenna work Japan is used by adjusting antenna length or size.
Please continue to consult Fig. 1 to Fig. 3, described the first antenna 5 is tabular, be installed on main circuit board 3 and perpendicular to main circuit board and be parallel to the broadside of main circuit board 3, that this first antenna 5 is by metal stamping is tabular, printed circuit board (PCB) (PCB) antenna and be tabular or other similar process is made and is tabular.In the present embodiment, this first antenna 5 adopts the PCB antenna form and is tabular, comprise pcb board 51 and the first day line pattern 52 that is formed at this pcb board 51, in the situation that the first antenna 5 is tabular by the sheet metal punching press, only needing that 52 punching presses of first day line pattern are tabular gets final product, in such cases, the first antenna 5 is still on vertical main circuit board 3 and be parallel to the broadside of main circuit board 3.Pcb board 51 is parallel to the broadside (being also the broadside of base plate 2) of main circuit board 3 and perpendicular to the pcb board 411 of described spire, also perpendicular to described antenna top 42.This first antenna 5 is realized a kind of frequency range in GSM frequency range, CDMA frequency range, WCDMA frequency range and LTE frequency range, and the frequency of GSM frequency range, CDMA frequency range, WCDMA frequency range and LTE frequency range is specific as follows: GSM:824MHz～960MHz/1710MHz～1990MHz; CDMA:824MHz～894MHz; WCDMA:824MHz～894MHz/1920MHz～2170MHz; LTE:2300MHz～2400MHz/2570～2620MHz can select a selection according to concrete application demand with the selection of super band, and is concrete, and the frequency range that realizes is as required adjusted first day line pattern 52 can obtain required frequency range.Above-mentioned the first antenna 5 is perpendicular on main circuit board 3 and be parallel to the broadside of main circuit board 3 and helical antenna 4 that the top loads perpendicular on main circuit board 3, several functions can not only be realized, the interference between helical antenna 4 that the first antenna 5 and top load can also be avoided.be tabular at the first antenna 5, the spire 41 of the helical antenna 4 that the top loads adopts the PCB antenna forms and is parallel to the long limit of main circuit board 3 perpendicular to the first antenna 5(), further reduce the helical antenna 4 of top loading and the interference between the first antenna 5, in the present invention, for the interference between the signal of the frequency range that further reduces helical antenna 4 that the top loads and the first antenna 5, the helical antenna 4 that described top loads and the distance B 1 between the first antenna 5 are 10mm～20mm, such as, 10mm, 11mm, 11.5mm, 12mm, 13mm, 14mm, 14.5mm, 15mm, 16mm, 16.5mm, 17mm, 18mm, 18.5mm, 19mm or 20mm.
please continue to consult Fig. 1 to Fig. 3, in order further to make antenna of the present invention have GPS function or Beidou function, the present invention's parallel placement second antenna 6 and make this second antenna 6 be positioned at a side of the width minimum of radome 1 on base plate 2, be positioned at the relative both sides of pushing up the helical antenna 4 that loads with described the first antenna 5, this second antenna, the helical antenna that the first antenna and top load arranges according to aforesaid structure and position along the length direction of base plate, like this, can reduce the first antenna 5, interference between the helical antenna 4 that the second antenna 6 and top load, improve the service behaviour of antenna.A kind of concrete mode that is placed in parallel in base plate 2 as the second antenna 6 is that antenna holding tank 221 is set on base plate 2, this antenna holding tank 221 and the first antenna 5 are positioned at the relative both sides of top loading helical antenna 4, be placed in parallel in the second antenna 6 in antenna holding tank 221 by tape-stripping and be provided with soft foam 7 on the surface of this second antenna 6, like this, prevent the shake of the second antenna 6 and anti-interference.For the interference between the helical antenna 4 that further reduces the first antenna 5, the second antenna 6 and top loading, the second antenna 6 is 40mm～50mm with the distance B 2 of the helical antenna 4 that the top loads, such as: 40mm, 41mm, 41.5mm, 42mm, 43mm, 47mm, 48mm, 49mm, 49.5mm or 50mm.
In sum, the present invention can install this Multi-Function Antenna by the helical antenna 4 that the top is set at main circuit board 3 loads and the first antenna 5 in less space, and, can have the function of a kind of frequency range in AM/FM function and GSM frequency range, CDMA frequency range, WCDMA frequency range and LTE frequency range.In addition, after the signal that the second antenna 6 and the second antenna 6 are set is processed by main circuit board 3, further make Multi-Function Antenna of the present invention have GPS function or Big Dipper positioning function.in addition, in order to solve the serious interference problem between described top loading helical antenna 4 and the first antenna 5 and the second antenna 6, the present invention adopts the three is successively arranged along left and right directions, and described top loading helical antenna 4 is vertical in twos with the first antenna 5 and the second antenna, keep simultaneously the distance range of aforementioned requirement between the three, thereby efficiently solve the interference problem, certainly, the mode that the antenna top 42 that the helical antenna 4 employing inductance that described top loads load and the spire 41 of capacitive load combine, and coordinate the first antenna 5 and and the second antenna 6 with suitable structural configuration and distance, effectively improved the whole work efficiency of antenna.
Claims (8)
1. Multi-Function Antenna is characterized in that: this antenna comprises the main circuit board that is rectangle, helical antenna and the first antenna that the top loads; The helical antenna that described top loads is vertically installed in main circuit board; Described the first antenna is tabular, is vertically installed in main circuit board and is parallel to the broadside of main circuit board, the helical antenna that described top loads and the first antenna also mutual vertical setting.
2. Multi-Function Antenna according to claim 1, it is characterized in that: the helical antenna that described top loads comprises spire and is connected in the antenna top of spire, this spire is helical spring or turned to helical form and consisted of by metallic conductor, and described antenna top is trapezoidal or triangle.
3. Multi-Function Antenna according to claim 1, it is characterized in that: the helical antenna that described top loads comprises spire and the antenna top that is connected with spire, this spire comprises the pcb board and the spiral plain conductor that is formed on pcb board on the long limit that is parallel to described main circuit board, and the antenna of described helical antenna pushes up and is trapezoidal or triangle.
4. Multi-Function Antenna according to claim 3, it is characterized in that: described the first antenna is tabular by the metallic plate punching press, perhaps, described the first antenna comprises pcb board and is formed at the first day line pattern of pcb board, the pcb board of the helical antenna that the pcb board of this first antenna loads perpendicular to the top, the antenna top of described top loading helical antenna are also perpendicular to the pcb board of the first antenna.
5. according to claim 2 or 3 described Multi-Function Antennas, it is characterized in that: described antenna pushes up and is made of sheet metal, the substrate and the side plate that is positioned at the relative both sides of substrate that comprise vertical connection spire, described substrate is parallel to described main circuit board, and every side plate and substrate arrange in obtuse angle and consist of described trapezoidal.
6. Multi-Function Antenna according to claim 1 is characterized in that: the helical antenna that described top loads and the distance between the first antenna are 10mm～20mm.
7. according to claim 1 or 6 described Multi-Function Antennas, it is characterized in that: radome and the second antenna that described Multi-Function Antenna also comprises base plate, is installed on base plate and has the shark fin-shaped of cavity, described main circuit board is assemblied on base plate and is positioned at described cavity with helical antenna and the first antenna that described top loads along the length direction of base plate; Described second day line parallel is positioned on base plate and is positioned at an end of radome width minimum, described the second antenna and the first antenna are positioned at the relative both sides of top loading helical antenna, and the helical antenna that this second antenna, the first antenna and top load is along the length direction setting of base plate and vertical in twos.
8. Multi-Function Antenna according to claim 7 is characterized in that: described the second antenna is 40mm～50mm with the distance of the helical antenna that the top loads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100827255A CN103138039A (en) | 2013-03-15 | 2013-03-15 | Multifunctional antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100827255A CN103138039A (en) | 2013-03-15 | 2013-03-15 | Multifunctional antenna |
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| CN103138039A true CN103138039A (en) | 2013-06-05 |
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| CN2013100827255A Pending CN103138039A (en) | 2013-03-15 | 2013-03-15 | Multifunctional antenna |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103545596A (en) * | 2013-11-11 | 2014-01-29 | 公安部第一研究所 | A vehicle-mounted multi-frequency integrated antenna device |
| CN104282990A (en) * | 2013-07-12 | 2015-01-14 | 莱尔德电子材料（上海）有限公司 | Vehicle-mounted antenna assembly |
| CN104916898A (en) * | 2014-03-10 | 2015-09-16 | 原田工业株式会社 | Antenna device |
| CN105305030A (en) * | 2015-10-12 | 2016-02-03 | 惠州硕贝德无线科技股份有限公司 | On-automobile multimode combined antenna |
| CN105322281A (en) * | 2014-07-29 | 2016-02-10 | 卜放 | Radio communication oscillator and short vehicle-mounted antenna |
| CN106252892A (en) * | 2016-09-21 | 2016-12-21 | 赫思曼汽车通讯设备（上海）有限公司 | A kind of antenna assembly |
| CN106898856A (en) * | 2015-12-18 | 2017-06-27 | 莱尔德电子材料（上海）有限公司 | Multiband car antenna component |
| KR101814301B1 (en) * | 2013-07-12 | 2018-01-02 | 라이르드 테크놀로지스 (상하이) 코., 엘티디. | Multiband vehicular antenna assemblies |
| CN109473779A (en) * | 2018-12-11 | 2019-03-15 | 汽-大众汽车有限公司 | A kind of vehicle-mounted LTE antenna |
| CN110224233A (en) * | 2019-04-26 | 2019-09-10 | 安费诺三浦（辽宁）汽车电子有限公司 | A kind of car antenna |
| CN110446134A (en) * | 2019-08-16 | 2019-11-12 | 歌尔股份有限公司 | Wireless headset |
| CN110476301A (en) * | 2017-03-31 | 2019-11-19 | 株式会社友华 | Antenna assembly |
| CN110637394A (en) * | 2017-05-17 | 2019-12-31 | 株式会社友华 | Vehicle-mounted antenna device |
| CN110797668A (en) * | 2019-10-25 | 2020-02-14 | 中国铁道科学研究院集团有限公司通信信号研究所 | Design method of railway vehicle-mounted multi-band combined antenna |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104282990B (en) * | 2013-07-12 | 2017-11-14 | 莱尔德无线技术（上海）有限公司 | Car antenna component |
| CN104282990A (en) * | 2013-07-12 | 2015-01-14 | 莱尔德电子材料（上海）有限公司 | Vehicle-mounted antenna assembly |
| KR101814301B1 (en) * | 2013-07-12 | 2018-01-02 | 라이르드 테크놀로지스 (상하이) 코., 엘티디. | Multiband vehicular antenna assemblies |
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| 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 |
| CN104916898A (en) * | 2014-03-10 | 2015-09-16 | 原田工业株式会社 | Antenna device |
| CN105322281A (en) * | 2014-07-29 | 2016-02-10 | 卜放 | Radio communication oscillator and short vehicle-mounted antenna |
| CN105305030A (en) * | 2015-10-12 | 2016-02-03 | 惠州硕贝德无线科技股份有限公司 | On-automobile multimode combined antenna |
| CN106898856A (en) * | 2015-12-18 | 2017-06-27 | 莱尔德电子材料（上海）有限公司 | Multiband car antenna component |
| CN106898856B (en) * | 2015-12-18 | 2023-07-18 | 莱尔德电子材料（上海）有限公司 | Multiband vehicle-mounted antenna assembly |
| CN106252892A (en) * | 2016-09-21 | 2016-12-21 | 赫思曼汽车通讯设备（上海）有限公司 | A kind of antenna assembly |
| CN110476301A (en) * | 2017-03-31 | 2019-11-19 | 株式会社友华 | Antenna assembly |
| CN110637394A (en) * | 2017-05-17 | 2019-12-31 | 株式会社友华 | Vehicle-mounted antenna device |
| CN109473779A (en) * | 2018-12-11 | 2019-03-15 | 汽-大众汽车有限公司 | A kind of vehicle-mounted LTE antenna |
| CN109473779B (en) * | 2018-12-11 | 2024-06-11 | 一汽-大众汽车有限公司 | Vehicle-mounted LTE antenna |
| CN110224233A (en) * | 2019-04-26 | 2019-09-10 | 安费诺三浦（辽宁）汽车电子有限公司 | A kind of car antenna |
| CN110224233B (en) * | 2019-04-26 | 2024-10-29 | 安费诺三浦（辽宁）汽车电子有限公司 | Vehicle-mounted antenna |
| CN110446134A (en) * | 2019-08-16 | 2019-11-12 | 歌尔股份有限公司 | Wireless headset |
| CN110797668A (en) * | 2019-10-25 | 2020-02-14 | 中国铁道科学研究院集团有限公司通信信号研究所 | Design method of railway vehicle-mounted multi-band combined antenna |
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