WO2020216187A1 - Appareil de terminal sans fil utilisant une conception d'antenne hautement intégrée - Google Patents

Appareil de terminal sans fil utilisant une conception d'antenne hautement intégrée Download PDF

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Publication number
WO2020216187A1
WO2020216187A1 PCT/CN2020/085664 CN2020085664W WO2020216187A1 WO 2020216187 A1 WO2020216187 A1 WO 2020216187A1 CN 2020085664 W CN2020085664 W CN 2020085664W WO 2020216187 A1 WO2020216187 A1 WO 2020216187A1
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WO
WIPO (PCT)
Prior art keywords
antenna
terminal device
antenna array
groove
metal frame
Prior art date
Application number
PCT/CN2020/085664
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English (en)
Chinese (zh)
Inventor
黄奂衢
王义金
查衡
简宪静
Original Assignee
维沃移动通信有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Publication of WO2020216187A1 publication Critical patent/WO2020216187A1/fr

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    • 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
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/02—Waveguide horns
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/0006—Particular feeding systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole

Definitions

  • the present disclosure relates to the field of communication technology, and in particular to a wireless terminal device with a highly integrated antenna design.
  • the millimeter wave antenna or the non-millimeter wave antenna is generally in the form of an independent antenna module, so it is necessary to provide an accommodation space for the independent antenna module in the terminal device. In this way, the size of the entire terminal device is relatively large, resulting in a relatively low overall competitiveness of the terminal device.
  • the embodiments of the present disclosure provide a wireless terminal device with a highly integrated antenna design to solve the problem of the need to provide accommodation spaces for multiple antennas in the terminal device, so that the antenna size of the entire terminal device is relatively large.
  • the embodiments of the present disclosure provide a wireless terminal device with a highly integrated antenna design, including a metal frame body on which a first antenna array and a second antenna array are arranged, and the first antenna array The structure is different from the second antenna array.
  • a wireless terminal device with a highly integrated antenna design includes a metal frame body on which a first antenna array and a second antenna array are arranged, the first antenna array and the second antenna array The structure of the antenna array is different. In this way, since the first antenna array and the second antenna array are arranged on the metal frame, the volume of the terminal device occupied by the antenna can be reduced.
  • the second antenna array can be located under the screen glass or the back cover glass, so as to achieve a full-screen or full-glass appearance design, and improve user perception and experience.
  • FIG. 1 is one of the schematic structural diagrams of a wireless terminal device designed with a highly integrated antenna provided by an embodiment of the present disclosure
  • FIG. 2 is the second structural diagram of a wireless terminal device designed with a highly integrated antenna provided by an embodiment of the present disclosure
  • FIG 3 is one of the structural schematic diagrams of one side of the metal frame provided by the embodiment of the present disclosure.
  • Fig. 6 is a fourth structural diagram of one side of a metal frame provided by an embodiment of the present disclosure.
  • Fig. 7 is a fifth structural diagram of one side of a metal frame provided by an embodiment of the present disclosure.
  • FIG. 8 is a sixth structural diagram of one side of a metal frame provided by an embodiment of the present disclosure.
  • FIG. 9 is one of the schematic diagrams of the return loss of a single millimeter wave antenna provided by an embodiment of the present disclosure.
  • 11 is the second schematic diagram of the return loss of a single millimeter wave antenna provided by an embodiment of the present disclosure.
  • Fig. 12 is an eighth structural diagram of one side of a metal frame provided by an embodiment of the present disclosure.
  • Figure 1 is a schematic structural diagram of a wireless terminal device with a highly integrated antenna design provided by an embodiment of the present disclosure. As shown in Figure 1, it includes a metal frame 1 on which a first antenna array is provided. 2 and the second antenna array 3, the structure of the first antenna array 2 and the second antenna array 3 are different.
  • the aforementioned metal frame 1 may be a frame or a middle frame.
  • the metal frame 1 may include a first side 11, a second side 12, a third side 13 and a fourth side 14.
  • the metal frame 1 may be a frame that is connected end to end or not connected.
  • the metal frame body 1 is grounded and can be electrically connected to the floor 4 in the terminal device.
  • the floor 4 can be a circuit board or a metal middle shell.
  • the first antenna array 2 and the second antenna array 3 may be the same metal conductor as the metal frame 1 to maintain the metal appearance of the terminal device.
  • the communication antenna may be formed by the first side 11, or may be formed by combining parts of the second side 12 and the fourth side 14 with the third side 13.
  • the communication antenna may be a cellular antenna and Non-cellular antenna.
  • the first antenna array 2 and the second antenna array 3 are distributed on the first side 11 of the metal frame 1, that is, the millimeter wave antenna and the communication antenna share a radiator (ie, the first side 11), and the millimeter wave antenna is inside the communication antenna . In this way, there is no need to separately provide a accommodating space for the millimeter wave antenna, thereby reducing the volume occupied by the antenna of the terminal device and improving the competitiveness of the terminal device.
  • the first antenna array 2 can work in the 28 GHz frequency band and the 39 GHz frequency band
  • the second antenna array 3 can work in the 60 GHz frequency band.
  • the second antenna array 3 may be distributed on both sides of the first antenna array 2, or on the same side of the first antenna array 2, or the two second antenna arrays are located directly above the first antenna array. And so on, this embodiment does not limit the relative positions of the first millimeter wave antenna and the second millimeter wave antenna.
  • the second antenna array 3 can be located under the screen glass or the back cover glass, so as to achieve a full-screen or full-glass appearance design, and improve the user's perception and experience.
  • FIG. 2 is a schematic structural diagram of a wireless terminal device with a highly integrated antenna design provided by an embodiment of the present disclosure.
  • FIG. 1 is a schematic diagram of the front side (ie, the display screen) of the terminal device
  • FIG. 2 is a schematic diagram of the back side (ie, the back cover surface) of the terminal device.
  • the aforementioned terminal device may be a mobile phone, a tablet (Personal Computer), a laptop (Laptop Computer), a personal digital assistant (personal digital assistant, PDA), a mobile Internet device (Mobile Internet Device, MID) Or wearable devices (Wearable Device) and so on.
  • the first antenna array 2 includes at least two first antenna elements; each first antenna element includes a groove, a radiating sheet 21, a coupling sheet 22 and a groove arranged on the metal frame.
  • a conductive member, the radiation sheet 21 and the coupling sheet 22 are both arranged in the groove, and the coupling sheet 22 is arranged between the radiation sheet 21 and the bottom of the groove;
  • the radiation sheet 21 is provided with a first feeding point and a second feeding point;
  • the conductive member includes a first conductive member and a second conductive member, the first conductive member penetrates the bottom of the groove and the coupling
  • the sheet 22 is connected to the first feeding point, the second conductive member penetrates the bottom of the groove and the coupling sheet 22 is connected to the second feeding point; the metal frame 1,
  • the radiation sheet 21 and the coupling sheet 22 are not in contact with each other and are filled with non-conductive materials.
  • the first conductive member and the second conductive member are both insulated from the bottom of the groove and the coupling sheet 22 It is provided that the
  • FIGS. 3 to 8. 3 to 8 are schematic diagrams of the structure of one side of the metal frame provided by the embodiments of the present disclosure.
  • the first antenna array 2 formed by multiple millimeter wave antennas has multiple square slots on the first side 11, and a millimeter wave antenna (including a radiating plate) is placed in each slot. 21 and a coupling sheet 22), a plurality of millimeter wave antennas form an array to form the first antenna array 2.
  • the gap between the millimeter wave antenna and the groove is filled with a non-conductive dielectric material.
  • the first side 11 may be the radiator of the first antenna and also the radiator of the millimeter wave antenna, that is, the millimeter wave antenna is in a non-millimeter wave antenna.
  • the first side 11 of the metal frame 1 is provided with grooves, the coupling piece 22 in each groove is arranged between the radiation piece 21 and the bottom of the groove, and the The metal frame 1, the coupling sheet 22 and the radiation sheet 21 are not in contact. There is a certain interval between the radiation sheet 21 and the coupling sheet 22; there is a certain interval between the coupling sheet 22 and the bottom of the groove.
  • FIG. 5 there are two antenna feeding points on the radiating sheet 21, as represented by a first feeding point 211 and a second feeding point 212.
  • the first feed point 211 can receive one feed signal
  • the second feed point 222 can receive another feed signal.
  • the two feed signals may both be signals of the first feed.
  • FIG. 5 shows the structure of FIG. 5 after the shielding of the radiation sheet 21 is removed. At this time, it can be seen that there are two second through holes on the coupling sheet 22. In this way, the first feed source can be electrically connected to the radiation sheet 21 through different second through holes, and there is no electrical connection relationship between the first feed source and the coupling sheet 22.
  • the bottom of the groove in FIG. 7 is provided with two first through holes for the access of the feed signal of the millimeter wave antenna, and the first through hole 15 can be used for the access of one feed signal , The first through hole 16 can be used for the access of another feed signal.
  • the two feed signals are connected to the bottom of the radiation sheet 22 to excite the millimeter wave antenna to generate radiation signals.
  • MIMO multiple transmission and multiple reception
  • the first side 11 of the metal frame 1 is provided with a groove
  • the coupling piece 22 in the groove is arranged between the radiation piece 21 and the bottom of the groove
  • the coupling piece 22 is provided with Two second through holes, the two through holes on the coupling plate 22 and the two through holes at the bottom of the groove are arranged directly opposite; each radiating plate 21 is provided with two antenna feed points, different antenna feed points The feed signal is received through different feed parts, and the antenna feed point, the first through hole, and the second through hole in each groove correspond one-to-one.
  • FIG. 9 is a schematic diagram of the return loss of a single millimeter wave antenna according to an embodiment of the disclosure.
  • a single millimeter wave antenna includes a coupling sheet 22 and a radiation sheet 21.
  • (S1, 1) is the echo reflection formed by the feeding signal of one feed signal
  • (S2, 2) is the echo reflection formed by the feeding signal of the other feed signal.
  • the bandwidth of this design can cover 27.5-28.5GHz, 37-43.5GHz.
  • the original discrete millimeter wave antennas can be integrated into the existing non-millimeter wave antennas in the terminal equipment to form
  • the solution design of the antenna in the antenna mm-Wave Antennas in non-Wave Antennas, AiA
  • the size of the system, and the metal design (such as metal ring) that can maintain the appearance, makes the ID beautiful and highly symmetrical.
  • the performance of the millimeter wave antenna can also be avoided to be greatly reduced in the case of hand holding.
  • the use of the metal frame itself as the reflector and boundary can obtain better gain, and can be insensitive to surrounding devices, facilitating the layout of the millimeter wave antenna.
  • the second millimeter wave antenna array can be located under the screen glass or the back cover glass, so as to achieve a full-screen or full-glass appearance design, and improve user perception and experience.
  • the first straight line determined by the first feeding point on each radiator and the center of the radiator is parallel to the length direction of the metal frame 1
  • the second feeding point on each radiator is parallel to the
  • the second straight line determined by the center of the radiating sheet is parallel to the width direction of the metal frame body 1, and the first straight line is perpendicular to the second straight line.
  • the orthogonal feeding method is used for feeding, on the one hand, a multiple-transmit-multiple-receive (ie MIMO) function can be formed to increase the data transmission rate.
  • a multiple-transmit-multiple-receive (ie MIMO) function can be formed to increase the data transmission rate.
  • MIMO multiple-transmit-multiple-receive
  • it can also increase the wireless connection capability of the first antenna array, reduce the probability of communication disconnection, and improve the communication effect and user experience.
  • the side of the radiation sheet 21 away from the coupling sheet 22 is flush with the plane where the outer side wall of the metal frame 1 is located.
  • the side of the radiation sheet 21 away from the coupling sheet 22 is flush with the plane where the outer side wall of the metal frame 1 is located, namely The side of the radiation sheet 21 away from the coupling sheet 22 is the same plane as the plane where the outer side wall of the metal frame 1 is located.
  • the shapes of the groove, the coupling sheet 22 and the radiation sheet 22 are all square; the gaps between the sides of the coupling sheet 22 and the side walls of the groove are all equal; The gaps between the side of the radiating sheet 21 and the side wall of the groove are equal.
  • the shapes of the groove, the coupling sheet 22 and the radiation sheet 21 are all square; the gaps between the sides of the coupling sheet 22 and the side walls of the groove are all equal; The gaps between the side of the radiating sheet 21 and the side wall of the groove are equal, so that better symmetry can be ensured, and the appearance of the terminal device can be more beautiful.
  • the groove openings of the at least two first antenna units face the same direction.
  • FIG. 3 in order to better understand the above structure, refer to FIG. 3. As shown in FIG. 3, the groove openings of the at least two first antenna units face the same direction.
  • the at least two first antenna units are arranged along the length direction of the metal frame.
  • the above-mentioned at least two first antenna units are arranged along the length direction of the metal frame, so as to facilitate the provision of multiple grooves on the metal frame.
  • the at least two first antenna units are arranged along the length direction of the metal frame to form a first antenna array so as to radiate millimeter wave signals or receive millimeter wave signals.
  • the circumference of the notch of the groove is smaller than the circumference of the groove bottom of the groove; or the circumference of the notch of the groove and the circumference of the groove bottom of the groove are equal.
  • the perimeter of the notch of the groove and the perimeter of the groove bottom of the groove are equal, that is, it can be understood as optional, and the diameter of the groove is the same in the Y-axis direction.
  • the above-mentioned feed source may be a millimeter wave feed source.
  • the first antenna array may include at least two slot antennas, or at least two dipole antennas.
  • the gap can be a single gap or a "I"-shaped gap and so on.
  • there may also be some other shapes of slots, and the antenna form of the first antenna array in this embodiment is not limited.
  • the second antenna array 3 includes at least two second antenna elements.
  • the second antenna array 3 includes at least two second antenna elements.
  • each second antenna unit includes a horn cavity 31 disposed in the metal frame 1, and the horn cavities 31 of the at least two second antenna units have the same orientation, and the openings face the vertical direction.
  • the screen of the terminal device is not vertical in a narrow sense, and the case of substantially vertical is also included.
  • the above-mentioned horn cavity 31 is a cavity in which a part of the metal is cut along the Z direction on the first side 11 of the metal frame 1 to form a horn structure.
  • Each horn cavity 31 is filled with non-conductive material.
  • the openings of the horn cavities 31 of the at least two second antenna units face the same direction, and the openings face perpendicular to the screen of the terminal device, so that the second antenna array 3 can be formed.
  • the verticality in this embodiment is not vertical in a narrow sense, and the case of substantially vertical is also included.
  • each horn cavity 31 is filled with a non-conductive material.
  • each horn cavity 31 is filled with non-conductive materials, which can maintain a better appearance.
  • each horn cavity 31 is provided with a power feeding portion 311, the power feeding portion 311 penetrates the side wall of the horn cavity 31 close to the inner side of the terminal device, and connects the side wall of the horn cavity 31 away from the terminal. The other side wall.
  • FIG. 10 is a schematic diagram of a side of a metal frame provided by an embodiment of the disclosure.
  • two second antenna arrays 3 are respectively located on both sides of the first antenna array 2, and the number of antenna elements of the second antenna array 3 is at least two.
  • the second antenna array 3 can radiate communication on the front of the terminal device, facilitating the realization of face recognition or gesture recognition functions.
  • the horn cavity structure of the metal frame is insensitive to surrounding devices, which facilitates the layout of the millimeter wave antenna.
  • the horn cavity 31 is filled with a non-conductive dielectric material, a small hole is opened on the bottom side wall of each horn cavity 31, and a power feeding portion 311 is provided.
  • the gap between the power feeding portion 311 and the small hole is also filled with non-conductive dielectric material.
  • the shape of the non-conductive dielectric material filled in the cavity of a single antenna unit is shown in the upper right of FIG. 10, between each horn cavity 31 Have a certain interval.
  • the power feeding part 311 may be a part reserved when part of the metal is cut out to form the horn cavity 31, that is, the horn cavity 31 and the power feeding part 311 can be directly formed after the part of the metal is cut out.
  • 311 may be a part of the metal frame.
  • FIG. 11 is a schematic diagram of the return loss of a single millimeter wave antenna according to an embodiment of the present disclosure.
  • a single millimeter wave antenna includes a horn cavity 31.
  • the frequency band bandwidth of a single antenna unit of the second antenna array 3 can cover 57-64 GHz.
  • the antenna working frequency band in this embodiment is only for illustration, and the size of the cavity can be adjusted according to the actual needs of the user to reach the working frequency band required by the user.
  • each second antenna unit includes a cavity and a dipole antenna disposed in the metal frame 1; the cavity openings of the at least two second antenna units have the same orientation, and the openings face the vertical The screen of the terminal device; the dipole antenna is arranged in the cavity.
  • the aforementioned cavity may be a rectangular cavity.
  • the openings of the cavities of the at least two second antenna units have the same orientation, so as to facilitate the formation of the second antenna array.
  • each cavity is filled with a non-conductive material.
  • each cavity is filled with non-conductive materials, which can maintain a good appearance.
  • each cavity is provided with a power feeding part, the power feeding part penetrates the side wall of the cavity close to the inner side of the terminal device and is connected to one of the radiating arms of the dipole antenna.
  • each cavity is provided with a power feeding portion, which penetrates the side wall of the cavity close to the inner side of the terminal device and is connected to one of the radiating arms of the dipole antenna.
  • the dipole antenna 5 includes a first radiating arm 51 and a second radiating arm 52, the first radiating arm 51 is connected to the feeding portion, and the second radiating arm 52 is connected to the cavity The inner wall of the body is connected.
  • the second radiating arm 52 is connected to the inner side wall of the cavity, and may be connected to the bottom of the cavity.
  • the bottom is the position in the cavity opposite to the cavity opening.
  • FIG. 12 is a schematic diagram of a side structure of a metal frame provided by an embodiment of the present disclosure.
  • a dipole antenna 5 and a feeder 6 are arranged inside the cavity. One end of the cavity is open and one end is closed (close to the feeder 6).
  • the dipole The antenna 5 includes a first radiating arm 51 and a second radiating arm 52. Both the first radiating arm 51 and the second radiating arm 52 are in an "L" shape.
  • the first radiating arm 51 is connected to the feeder 6, and the second radiating arm 52 is connected to the bottom of the cavity, the power feeding part 6 is connected to the first radiating arm 51, and the millimeter wave signal feed source is connected to the power feeding part 6.
  • the gap between the millimeter wave array antenna and the cavity, and the gap between the feeder 6 and the through hole are filled with non-conductive dielectric materials.
  • the at least two second antenna units are arranged along the length direction of the metal frame.
  • the above-mentioned at least two second antenna units are arranged along the length direction of the metal frame, thereby facilitating the provision of multiple cavities on the metal frame. Moreover, the at least two second antenna units are arranged along the length direction of the metal frame to form a second antenna array, thereby radiating millimeter wave signals or receiving millimeter wave signals.
  • the second antenna array is located under the screen glass or the back cover glass.
  • the second antenna array is located under the screen glass or the back cover glass.
  • the first antenna array 2 and the second antenna array 3 are located on the same surface of the metal frame 1.
  • the first antenna array 2 and the second antenna array 3 do not exceed the outer surface of the metal frame, so that multiple millimeter wave arrays in multiple bands can be integrated with non-millimeter wave antennas
  • the design saves the space occupied by the antenna to the greatest extent.
  • the number of the second antenna arrays 3 is two, the two second antenna arrays 3 are respectively located on both sides of the first antenna array 2, or the two second antenna arrays 3 are located The same side of the first antenna array 2 or two second antenna arrays 3 are located directly above the first antenna array 2 (for example, the middle position of the transverse dimension of the top of the mobile phone).
  • the number of the second antenna arrays 3 is two, and the two second antenna arrays 3 are respectively located on both sides of the first antenna array 2, or the two second antenna arrays 3 Located on the same side of the first antenna array 2.
  • the two second antenna arrays 3 may be located on both sides of the first antenna array 2, or the two second antenna arrays 3 may be located on the opposite side of the first antenna array 2.
  • the above-mentioned feed source may be a millimeter wave feed source.
  • This embodiment also includes a first antenna.
  • the radiator where the first antenna array and the second antenna array are located is also the radiator of the first antenna, and the radiator is at least a part of the metal frame.
  • the first antenna is a non-millimeter wave antenna. That is, the first millimeter wave array and the second millimeter wave array can be made on the radiator of a cellular antenna or a non-cellular antenna, and share the radiator.
  • the first antenna array is a millimeter wave antenna array and/or the second antenna array is a millimeter wave antenna array.
  • a wireless terminal device with a highly integrated antenna design includes a metal frame 1 on which a first antenna array 2 and a second antenna array 3 are provided.
  • the first antenna array 2 The structure is different from the second antenna array 3. In this way, since the first antenna array 2 and the second antenna array 3 are arranged on the metal frame 1, there is no need to separately provide two accommodating spaces, thereby reducing the size of the terminal device and improving the competitiveness of the terminal device.

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Abstract

L'invention concerne un appareil de terminal sans fil utilisant une conception d'antenne hautement intégrée. L'appareil de terminal comprend un cadre métallique pourvu d'un premier réseau d'antennes et d'un second réseau d'antennes. Le premier réseau d'antennes et le second réseau d'antennes ont des structures différentes.
PCT/CN2020/085664 2019-04-26 2020-04-20 Appareil de terminal sans fil utilisant une conception d'antenne hautement intégrée WO2020216187A1 (fr)

Applications Claiming Priority (2)

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CN201910346079.6A CN110098465B (zh) 2019-04-26 2019-04-26 一种高度集成天线设计的无线终端设备
CN201910346079.6 2019-04-26

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WO2020216187A1 true WO2020216187A1 (fr) 2020-10-29

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CN110649384B (zh) 2019-10-30 2021-04-23 维沃移动通信有限公司 一种天线及电子设备
CN113540808B (zh) * 2020-04-22 2022-11-22 华为技术有限公司 一种电子设备及天线装置
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