CN111653865A - Vehicle-mounted antenna structure and automobile flow guide plate - Google Patents
Vehicle-mounted antenna structure and automobile flow guide plate Download PDFInfo
- Publication number
- CN111653865A CN111653865A CN201911220634.7A CN201911220634A CN111653865A CN 111653865 A CN111653865 A CN 111653865A CN 201911220634 A CN201911220634 A CN 201911220634A CN 111653865 A CN111653865 A CN 111653865A
- Authority
- CN
- China
- Prior art keywords
- vehicle
- antenna array
- antenna
- units
- antenna structure
- 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
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
-
- 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
- H01Q21/00—Antenna arrays or systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
Landscapes
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a vehicle-mounted antenna structure and an automobile deflector, wherein the vehicle-mounted antenna structure integrates a plurality of receiving and transmitting units into a plurality of antenna array units; each antenna array unit is provided with at least one radio frequency control unit; the antenna array units are integrated into a plurality of receiving and transmitting antenna arrays; a plurality of receiving and dispatching antenna array integration form on-vehicle antenna structure on the circuit board to realize the optimization of antenna performance through large-scale antenna array technique, avoid because the car space is more limited, density is too high when must causing a plurality of receiving and dispatching units to arrange, and the interval is too close to and makes transmission channel approach the interference of being qualified for the next round of competitions easily, leads to the channel capacity to reduce.
Description
Technical Field
The invention relates to the technical field of vehicle-mounted antennas, in particular to a vehicle-mounted antenna structure and an automobile deflector.
Background
The 5G communication technology uses the carrier aggregation technology, so that the transmission speed can reach 10Gbit/s at most compared with the communication speed of the previous generations and is 100 times faster than that of 4G LTE. Carrier aggregation is to increase the transmission speed of a network by multiplexing a plurality of carriers, but for a transmitting/receiving terminal, a transmitting/receiving unit that can receive a plurality of carriers needs to be provided. However, if a plurality of transceiver units are arranged on a vehicle, the space of the vehicle is limited, which inevitably causes the density of the antenna units to be too high, and the close distance easily causes the adjacent outgoing line interference of the transmission channel, resulting in the reduction of the channel capacity.
Disclosure of Invention
The invention aims to solve the problem that the arrangement density of a plurality of transceiving units is too high and the spacing is too close, so that the transmission channel is easy to cause outgoing line interference, and the channel capacity is reduced in the prior art.
In order to solve the technical problem, the embodiment of the invention discloses a vehicle-mounted antenna structure which comprises a plurality of receiving and transmitting units, wherein the plurality of receiving and transmitting units form a plurality of antenna array units according to a first preset number; each antenna array unit is provided with at least one radio frequency control unit; the antenna array units form a plurality of receiving and transmitting antenna arrays according to a second preset number; a plurality of transmit and receive antenna arrays are integrated on the circuit board.
By adopting the technical scheme, the invention integrates a plurality of receiving and transmitting units into a plurality of antenna array units; each antenna array unit is provided with at least one radio frequency control unit; the antenna array units are integrated into a plurality of receiving and transmitting antenna arrays; a plurality of receiving and dispatching antenna arrays are integrated on a circuit board, so that the optimization of the antenna performance is realized through a large-scale antenna array technology, and the phenomenon that the channel capacity is reduced due to the fact that the density is too high when a plurality of receiving and dispatching units are arranged and the distance is too close to easily cause the transmission channel to be close to the outgoing line interference due to the fact that the space of an automobile is limited is avoided.
According to another specific embodiment of the present invention, in the vehicle-mounted antenna structure disclosed in the embodiment of the present invention, the transceiver unit includes a carrier receiver.
According to another specific embodiment of the present invention, the vehicle-mounted antenna structure disclosed in the embodiment of the present invention, the first preset number is set to be between 4 and 12.
According to another specific embodiment of the present invention, the second preset number is set to be between 4 and 12.
According to another specific embodiment of the present invention, the vehicle-mounted antenna structure disclosed in the embodiment of the present invention, the first preset number and the second preset number are set to be equal or different.
According to another specific embodiment of the present invention, in the vehicle-mounted antenna structure disclosed in the embodiment of the present invention, the radio frequency control unit includes a radio frequency control chip.
The invention also provides an automobile guide plate which is arranged on the roof of an automobile and comprises the vehicle-mounted antenna structure.
By adopting the technical scheme, the invention also provides an automobile deflector which is arranged on the roof of an automobile and comprises the vehicle-mounted antenna structure, wherein the vehicle-mounted antenna structure integrates a plurality of receiving and transmitting units into a plurality of antenna array units; each antenna array unit is provided with at least one radio frequency control unit; the antenna array units are integrated into a plurality of receiving and transmitting antenna arrays; a plurality of receiving and dispatching antenna array integration form on-vehicle antenna structure on the circuit board to realize the optimization of antenna performance through large-scale antenna array technique, avoid because the car space is more limited, density is too high when must causing a plurality of receiving and dispatching units to arrange, and the interval is too close to and makes transmission channel approach the interference of being qualified for the next round of competitions easily, leads to the channel capacity to reduce.
According to another specific embodiment of the invention, the circuit board of the vehicle-mounted antenna structure of the automobile deflector disclosed by the embodiment of the invention is consistent with the extending direction of one side surface of the automobile deflector.
The invention has the beneficial effects that:
the invention provides a vehicle-mounted antenna structure, which integrates a plurality of receiving and transmitting units into a plurality of antenna array units; each antenna array unit is provided with at least one radio frequency control unit; the antenna array units are integrated into a plurality of receiving and transmitting antenna arrays; a plurality of receiving and dispatching antenna array integration form on-vehicle antenna structure on the circuit board to realize the optimization of antenna performance through large-scale antenna array technique, avoid because the car space is more limited, density is too high when must causing a plurality of receiving and dispatching units to arrange, and the interval is too close to and makes transmission channel approach the interference of being qualified for the next round of competitions easily, leads to the channel capacity to reduce.
Drawings
Fig. 1 is a schematic diagram of an arrangement structure of a transmitting/receiving unit, an antenna array unit, and a transmitting/receiving antenna array of a vehicle-mounted antenna structure according to embodiment 1 of the present invention.
Description of reference numerals:
100. a transceiver unit;
200. an antenna array unit;
300. and transmitting and receiving the antenna array.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to these embodiments. On the contrary, the invention is described in connection with the embodiments for the purpose of covering alternatives or modifications that may be extended based on the claims of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Moreover, some of the specific details have been left out of the description in order to avoid obscuring or obscuring the focus of the present invention. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
It should be noted that in this specification, like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.
In the description of the present embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the present invention.
The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present embodiment, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present embodiment can be understood in specific cases by those of ordinary skill in the art.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Example 1
In order to solve the problem that the channel capacity is reduced due to the fact that the transmission channel is likely to be close to outgoing line interference due to excessively high arrangement density and too close spacing of a plurality of transceiving units in the prior art, as shown in fig. 1, the embodiment of the present embodiment discloses a vehicle-mounted antenna structure, which includes a plurality of transceiving units 100, wherein the plurality of transceiving units 100 form a plurality of antenna array units 200 according to a first preset number; each antenna array unit 200 is provided with at least one rf control unit (not shown in the figures); the plurality of antenna array units 200 form a plurality of transmit-receive antenna arrays 300 according to a second preset number; the plurality of transceiving antenna arrays 300 are integrated on a circuit board (not shown in the figure), so that the optimization of the antenna performance is realized through a large-scale antenna array technology, and the reduction of the channel capacity caused by that the density is too high when a plurality of transceiving units are arranged and the distance is too close to cause the adjacent outgoing line interference of a transmission channel due to the fact that the space of an automobile is limited is avoided.
Specifically, each antenna array unit 200 may be provided with one rf control unit, or each antenna array unit 200 may be provided with two or more rf control units, where the specific number of the rf control units is determined according to the effect of isolating electromagnetic interference between the transceiver units 100 and avoiding coupling between electromagnetic signals, and this embodiment is not limited in particular.
In addition, the circuit board is an integrated circuit board commonly found in the prior art, and the material, thickness, and the like of the integrated circuit board are specifically set according to actual needs, which is not specifically limited in this embodiment.
As shown in fig. 1, according to another specific implementation manner of this embodiment, in the vehicle-mounted antenna structure disclosed in the implementation manner of this embodiment, the transceiver unit 100 includes a carrier receiver, and the carrier receiver is configured to receive a transmission signal. Specifically, the types of the carrier receiver may be: the QH-PLC1002R-G may also be a carrier receiver of another type, which is specifically set according to actual needs, and this embodiment does not specifically limit this.
As shown in fig. 1, according to another specific implementation manner of this embodiment, in the vehicle-mounted antenna structure disclosed in the implementation manner of this embodiment, the first preset number is set to be between 4 and 12. Specifically, 4-12 transceiver units 100 form an antenna array unit 200, and each antenna array unit 200 is provided with a radio frequency control unit for adjusting the amplitude of the antenna electromagnetic waves between the transceiver units 100 in the antenna array unit 200, thereby controlling the superposition and cancellation of the electromagnetic waves between the transceiver units 100. When a plurality of transceiver units 100 are combined together, as long as the enhancement and the weakening of the total field intensity of the vehicle-mounted antenna structure are controlled to keep relatively stable, the transceiving capacity of the vehicle-mounted antenna structure can be improved in a limited space, the electromagnetic interference among the transceiver units 100 can be isolated, and the signal coupling among electromagnetic waves can be avoided.
Specifically, 4 transceiver units 100 shown in fig. 1 may form an antenna array unit 200, or 6, 8, 10, or 12 transceiver units 100 may form an antenna array unit 200. Specifically, how many transceiver units 100 constitute one antenna array unit 200 may be selected according to actual needs, which is not specifically limited in this embodiment.
As shown in fig. 1, according to another specific implementation manner of this embodiment, in the vehicle-mounted antenna structure disclosed in the implementation manner of this embodiment, the second preset number is set to be between 4 and 12. Specifically, 4-12 antenna array units 200 form a transceiving antenna array 300, and when the transceiving speed of the vehicle terminal reaches a bottleneck, the antenna array units 200 can be added to increase the access effect, so as to improve the transmission speed of the vehicle-mounted antenna structure. More specifically, 4 antenna array elements 200 shown in fig. 1 may form a transceiver antenna array 300, or 6, 8, 10, or 12 antenna array elements 200 may form a transceiver antenna array 300. Specifically, how many antenna array units 200 form a transceiver antenna array 300 can be selected according to actual needs, which is not specifically limited in this embodiment.
As shown in fig. 1, according to another specific implementation manner of this embodiment, in the vehicle-mounted antenna structure disclosed in the implementation manner of this embodiment, the first preset number and the second preset number are set to be equal or different.
Specifically, 4-12 transceiver units 100 form an antenna array unit 200, and 4-12 antenna array units 200 form a transceiver antenna array 300. I.e. as described above: 4 or 6 or 8 or 10 or 12 transceiver units 100 form an antenna array unit 200, and 4 or 6 or 8 or 10 or 12 antenna array units 200 form a transceiver antenna array 300. Therefore, the number of the transceiver units 100 forming the antenna array unit 200 may be the same as or different from the number of the antenna array units 200 forming the transceiver antenna array 300, which is determined by the installation space of the vehicle-mounted antenna structure and the requirement of reducing the coupling effect between the transceiver units 100 of the vehicle-mounted antenna structure, and this embodiment is not limited in particular.
As shown in fig. 1, according to another specific implementation manner of this embodiment, in the vehicle-mounted antenna structure disclosed in the implementation manner of this embodiment, the rf control unit includes an rf control chip, and the rf control chip is configured to adjust the amplitude between the antenna electromagnetic waves between the transceiver units 100 in the antenna array unit 200, thereby controlling the superposition and cancellation of the electromagnetic waves between the transceiver units 100, so as to control the enhancement and the attenuation of the electromagnetic waves between the transceiver units 100 to be kept relatively stable, so that the transceiving capability of the vehicle-mounted antenna structure can be improved in a limited space, and sufficient isolation can be ensured, and signal coupling between the electromagnetic waves can be avoided.
Specifically, the type of the radio frequency control chip may be: the AD8361ARM may also be a radio frequency control chip of another model, which is specifically set according to actual needs, and this embodiment does not specifically limit this.
Example 2
The embodiment also provides an automobile deflector (the illustration of the embodiment is not given), which is arranged on the roof of an automobile and comprises the vehicle-mounted antenna structure of the embodiment 1.
Specifically, the automobile air deflector provided by this embodiment includes a vehicle-mounted antenna structure that integrates multiple transceiver units into multiple antenna array units; each antenna array unit is provided with at least one radio frequency control unit; the antenna array units are integrated into a plurality of receiving and transmitting antenna arrays; a plurality of receiving and dispatching antenna array integration form on-vehicle antenna structure on the circuit board to realize the optimization of antenna performance through large-scale antenna array technique, avoid because the car space is more limited, density is too high when must causing a plurality of receiving and dispatching units to arrange, and the interval is too close to and makes transmission channel approach the interference of being qualified for the next round of competitions easily, leads to the channel capacity to reduce.
Specifically, the model of car guide plate can be: 3R-2134, which may also be a spoiler for other types of automobiles, specifically set according to actual needs, and this embodiment does not specifically limit this.
Further, the circuit board of on-vehicle antenna structure is unanimous with the extending direction of one side surface of car guide plate to with on-vehicle antenna structure tiling on the car guide plate.
While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a more detailed description of the invention, taken in conjunction with the specific embodiments thereof, and that no limitation of the invention is intended thereby. Various changes in form and detail, including simple deductions or substitutions, may be made by those skilled in the art without departing from the spirit and scope of the invention.
Claims (8)
1. A vehicle-mounted antenna structure is characterized by comprising a plurality of transceiving units, wherein the plurality of transceiving units form a plurality of antenna array units according to a first preset number;
each antenna array unit is provided with at least one radio frequency control unit;
the antenna array units form a plurality of receiving and transmitting antenna arrays according to a second preset number;
the plurality of transmit receive antenna arrays are integrated on a circuit board.
2. The vehicular antenna structure according to claim 1, wherein the transceiver unit includes a carrier receiver.
3. The vehicular antenna structure according to claim 2, wherein the first preset number is set to be between 4 and 12.
4. A vehicle antenna structure according to claim 3, characterized in that said second preset number is set between 4 and 12.
5. The vehicular antenna structure according to claim 4, wherein the first predetermined number and the second predetermined number are set to be equal or unequal.
6. The vehicular antenna structure according to claim 5, wherein the radio frequency control unit includes a radio frequency control chip.
7. An automotive air deflector arranged at the roof of an automobile, characterized in that it comprises a vehicle antenna arrangement according to any one of claims 1-6.
8. The automotive baffle of claim 7 wherein the circuit board of the vehicle antenna structure extends in a direction that is coincident with a side surface of the automotive baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911220634.7A CN111653865A (en) | 2019-12-03 | 2019-12-03 | Vehicle-mounted antenna structure and automobile flow guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911220634.7A CN111653865A (en) | 2019-12-03 | 2019-12-03 | Vehicle-mounted antenna structure and automobile flow guide plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111653865A true CN111653865A (en) | 2020-09-11 |
Family
ID=72346408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911220634.7A Pending CN111653865A (en) | 2019-12-03 | 2019-12-03 | Vehicle-mounted antenna structure and automobile flow guide plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111653865A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101202374A (en) * | 2007-10-12 | 2008-06-18 | 哈尔滨工业大学 | Millimeter wave sect circular cone conformal 4x4 microstrip antenna and design method thereof |
| CN202513282U (en) * | 2012-04-26 | 2012-10-31 | 新华通讯社 | Vehicle-mounted antenna wind deflecting cover |
| US20140203960A1 (en) * | 2013-01-23 | 2014-07-24 | Wistron Neweb Corporation | Power Divider and Radio-frequency Transceiver System |
| CN105514566A (en) * | 2015-12-07 | 2016-04-20 | 中国电子科技集团公司第十研究所 | Millimeter wave tile-type phased-array antenna TR module |
| CN105591203A (en) * | 2014-10-21 | 2016-05-18 | 南京理工大学 | Low-profile high-gain dual-band dual-polarized satellite communication antenna |
| CN106058464A (en) * | 2016-05-17 | 2016-10-26 | 深圳微迎智科技有限公司 | Adaptive antenna interference elimination apparatus, method and antenna array and communication device thereof |
| CN207149691U (en) * | 2017-09-27 | 2018-03-27 | 中国电子科技集团公司第五十四研究所 | A kind of ultralow section high integration phased array antenna based on SIP encapsulation |
| CN108886198A (en) * | 2016-02-23 | 2018-11-23 | 株式会社电装 | Antenna assembly |
| US20180364348A1 (en) * | 2016-02-26 | 2018-12-20 | Waymo Llc | Integrated MIMO and SAR Radar Antenna Architecture |
| CN110174649A (en) * | 2019-05-07 | 2019-08-27 | 加特兰微电子科技(上海)有限公司 | Radio-frequency front-end transceiver, trailer-mounted radar receive-transmit system |
| US20190310359A1 (en) * | 2018-04-09 | 2019-10-10 | Mando Corporation | Radar apparatus and antenna apparatus therefor |
-
2019
- 2019-12-03 CN CN201911220634.7A patent/CN111653865A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101202374A (en) * | 2007-10-12 | 2008-06-18 | 哈尔滨工业大学 | Millimeter wave sect circular cone conformal 4x4 microstrip antenna and design method thereof |
| CN202513282U (en) * | 2012-04-26 | 2012-10-31 | 新华通讯社 | Vehicle-mounted antenna wind deflecting cover |
| US20140203960A1 (en) * | 2013-01-23 | 2014-07-24 | Wistron Neweb Corporation | Power Divider and Radio-frequency Transceiver System |
| CN105591203A (en) * | 2014-10-21 | 2016-05-18 | 南京理工大学 | Low-profile high-gain dual-band dual-polarized satellite communication antenna |
| CN105514566A (en) * | 2015-12-07 | 2016-04-20 | 中国电子科技集团公司第十研究所 | Millimeter wave tile-type phased-array antenna TR module |
| CN108886198A (en) * | 2016-02-23 | 2018-11-23 | 株式会社电装 | Antenna assembly |
| US20180364348A1 (en) * | 2016-02-26 | 2018-12-20 | Waymo Llc | Integrated MIMO and SAR Radar Antenna Architecture |
| CN106058464A (en) * | 2016-05-17 | 2016-10-26 | 深圳微迎智科技有限公司 | Adaptive antenna interference elimination apparatus, method and antenna array and communication device thereof |
| CN207149691U (en) * | 2017-09-27 | 2018-03-27 | 中国电子科技集团公司第五十四研究所 | A kind of ultralow section high integration phased array antenna based on SIP encapsulation |
| US20190310359A1 (en) * | 2018-04-09 | 2019-10-10 | Mando Corporation | Radar apparatus and antenna apparatus therefor |
| CN110174649A (en) * | 2019-05-07 | 2019-08-27 | 加特兰微电子科技(上海)有限公司 | Radio-frequency front-end transceiver, trailer-mounted radar receive-transmit system |
Non-Patent Citations (1)
| Title |
|---|
| 魏克珠: "《微波铁氧体器件与变极化应用》", 15 September 2017 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6900335B2 (en) | Integrated antenna module and in-vehicle system | |
| US20150123854A1 (en) | Antenna module having a transmitting and receiving antenna element | |
| CN102104392B (en) | Multi-band multi-channel transceiving device and method as well as base station system | |
| CN202308282U (en) | Near field communication (NFC) and frequency modulation (FM) common antenna | |
| CN106329151A (en) | Antenna array and network equipment | |
| CN101002404B (en) | Antenna diversity arrangement and method | |
| US20130322330A1 (en) | Communication apparatus and method for group moving object in communication system | |
| CN111653865A (en) | Vehicle-mounted antenna structure and automobile flow guide plate | |
| CN213212383U (en) | Antenna device, radar system and movable platform | |
| KR102346201B1 (en) | Radar module and automotive radar apparatus having the same | |
| CN103580710A (en) | TDD standard radio frequency receiving and sending circuit and method, radio frequency front end circuit and terminal | |
| CN219394838U (en) | Device supporting SRS (sounding reference Signal) round trip, radio frequency receiving and transmitting system and electronic equipment | |
| CN101179315B (en) | Base station frequency point expanding system | |
| WO2011099423A1 (en) | Window-embedded antenna for vehicle | |
| CN102970731B (en) | A kind of radio switch-in method, system and equipment | |
| CN217522217U (en) | Vehicle-mounted integrated panel antenna | |
| CN215896683U (en) | M-shaped wide beam antenna for 77GHz vehicle-mounted millimeter wave radar | |
| KR20240070594A (en) | Broadband antenna placed in vehicle | |
| CN113098541B (en) | Antenna device and automobile | |
| US11984651B2 (en) | Roof antenna with embedded mm wave antenna | |
| CN209607917U (en) | A kind of vehicle-mounted integrated form antenna and automobile | |
| CN104467949B (en) | Communication device for railway vehicle and railway vehicle equipped with the same | |
| CN110797668B (en) | Design method of railway vehicle-mounted multi-band combined antenna | |
| CN207217753U (en) | A kind of microwave induced circuit board and electric equipment with new antenna structure | |
| CN215955471U (en) | Antenna device of vehicle-mounted intelligent terminal and electric automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200911 |