WO2024056000A1 - Dispositif électronique - Google Patents

Dispositif électronique Download PDF

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Publication number
WO2024056000A1
WO2024056000A1 PCT/CN2023/118613 CN2023118613W WO2024056000A1 WO 2024056000 A1 WO2024056000 A1 WO 2024056000A1 CN 2023118613 W CN2023118613 W CN 2023118613W WO 2024056000 A1 WO2024056000 A1 WO 2024056000A1
Authority
WO
WIPO (PCT)
Prior art keywords
induction coil
electronic device
switching device
induction
field communication
Prior art date
Application number
PCT/CN2023/118613
Other languages
English (en)
Chinese (zh)
Inventor
曹立鑫
杨万年
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 WO2024056000A1 publication Critical patent/WO2024056000A1/fr

Links

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
    • 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
    • H01Q1/36—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
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the invention belongs to the technical field of near field communication, and specifically relates to an electronic device.
  • the electronic device is brought close to the slave device and the coil on the near field communication antenna built in the electronic device is energized to generate a magnetic field, which in turn causes the coil set in the slave device to be excited by the above magnetic field.
  • the induced current is generated to enable communication between electronic devices and slave devices.
  • the coupling current of the slave device when the induction coil of the near field communication antenna is misaligned with the coil of the slave device, the coupling current of the slave device generates an induced magnetic field. Since the induced magnetic fields inside and outside the coil of the slave device are in opposite directions, they will cancel each other out. This reduces the total magnetic flux of the slave device, which in turn causes the induced voltage of the induction coil on the near field communication antenna to become smaller, forming an induction blind zone. , the electronic device cannot read the information of the slave device and cannot communicate with the slave device, which affects the user experience.
  • the purpose of the embodiments of the present invention is to provide an electronic device that solves the problem that the electronic device cannot communicate with the slave device when the induction coil of the near field communication antenna is in the induction blind zone.
  • an electronic device including:
  • a near field communication antenna includes a first induction coil and a second induction coil, a part of the first induction coil and a part of the second induction coil overlap;
  • a switching device the switching device is respectively connected to the first induction coil and the second induction coil, and the switching device is used to alternately switch the operation of the first induction coil and the second induction coil.
  • the switching device When the electronic device communicates with an external device through the first induction coil or the second induction coil, the switching device maintains the operation of the induction coil.
  • embodiments of the present invention provide an electronic device, including:
  • the near field communication antenna includes a first induction coil and a second induction coil, the first induction coil is located inside the second induction coil, the first induction coil includes a first end and a second end, the second induction coil includes a third end and a fourth end, the first end coincides with the fourth end, and the first induction coil and the second induction coil constitute an overall induction coil;
  • a switching device the switching device is connected to the third end and the first end respectively, and the switching device is used to alternately switch the operation of the first induction coil and the overall induction coil.
  • the switching device maintains the operation of the induction coil.
  • an electronic device including:
  • the near field communication antenna includes a first induction coil and a second induction coil, the projection of the first induction coil on the surface of the second induction coil is located outside the second induction coil;
  • a switching device the switching device is respectively connected to the first induction coil and the second induction coil, and the switching device is used to alternately switch the operation of the first induction coil and the second induction coil.
  • the switching device When the electronic device communicates with an external device through the first induction coil or the second induction coil, the switching device maintains the operation of the induction coil.
  • a near field communication antenna includes a first induction coil and a second induction coil.
  • the switching device alternately switches the operation of the first induction coil and the second induction coil.
  • the switching device maintains the operation of the induction coil.
  • the other induction coil for example, the second induction coil
  • the induction coil is not located in the induction blind zone, and the induction coil can work normally, thereby solving the problem that the electronic device cannot communicate with the slave device when the induction coil of the near field communication antenna is in the induction blind zone.
  • Figure 1 is a schematic structural diagram of an electronic device according to a first embodiment of the present invention
  • Figure 2 is a schematic diagram of the first sensing blind zone in the first embodiment of the electronic device of the present invention.
  • Figure 3 is a schematic diagram of the second sensing blind zone in the first embodiment of the electronic device of the present invention.
  • Figure 4 is a schematic structural diagram of an electronic device according to a second embodiment of the present invention.
  • Figure 5 is a schematic diagram of the first sensing blind zone in the second embodiment of the electronic device of the present invention.
  • FIG. 6 is a schematic diagram of the overall sensing dead zone in the electronic device according to the second embodiment of the present invention.
  • Induction coil 101. First induction coil; 1011. First end; 1012. Second end; 1013. First via hole; 1014. Fourth via hole; 102. Second induction coil; 1021. Third end ; 1022. Fourth terminal; 1023. Second via hole; 1024. Third via hole; 2. Slave device; 3. First sensing blind area; 4. Second sensing blind area; 5. Vacant area; 6. Single pole double throw switch; 7. Overall sensing blind zone.
  • first, second, etc. in the description and claims of the present invention are used to distinguish similar objects and are not used to describe a specific order or sequence. It is to be understood that the figures so used are interchangeable under appropriate circumstances so that embodiments of the invention can be practiced in sequences other than those illustrated or described herein, and that "first,” “second,” etc. are distinguished Objects are usually of one type, and the number of objects is not limited. For example, the first object can be one or multiple.
  • “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the related objects are in an "or” relationship.
  • the electronic device of the present invention may be a mobile phone, a tablet computer, a notebook computer, a wearable device, etc.
  • the electronic device is a mobile phone as an example for explanation.
  • the electronic device includes a near field communication antenna, and the near field communication antenna includes an induction coil.
  • the induction coil 1 includes: a first induction coil 101 and a second induction coil 102 . A part of the first induction coil 101 and a part of the second induction coil 102 overlap.
  • the switching device is connected to the first induction coil 101 and the second induction coil 102 respectively.
  • the switching device is used to alternately switch the operation of the first induction coil 101 and the second induction coil 102.
  • the switching device maintains the operation of the induction coil.
  • the electronic device is, for example, a mobile phone.
  • a near field communication antenna is provided in the mobile phone casing.
  • the near field communication antenna is an NFC antenna.
  • the electronic device communicates with the slave device 2 via a near field communication antenna.
  • slave device 2 is a subway gate. When the mobile phone is close to the card swiping area of the subway gate, communication can occur between the mobile phone and the gate, causing the gate to open.
  • the electronic device also includes a processor, a power supply, etc.
  • the processor and power supply are arranged in the mobile phone casing, and the electronic device performs calculations, receives or sends instructions through the processor, and processes data.
  • the processor is a chip, and the chip is installed in the mobile phone.
  • the switching device alternately switches the first induction coil 101 and the second induction coil 102 into working states. For example, when the first induction coil 101 is in the working state, the mobile phone communicates with the slave device 2 through the first induction coil 101 . At this time, the second induction coil 102 is in an inactive state. When the second induction coil 102 is in the working state, the mobile phone communicates with the slave device 2 through the second induction coil 102 . At this time, the first induction coil 101 is in an inactive state. When the NFC function on the mobile phone is turned on, the first induction coil 101 and the second induction coil The coil 102 switches once every set time. For example, the interval is 0.2s.
  • the interval time is not limited here, and those skilled in the art can set it according to actual needs.
  • the electronic device communicates through the first induction coil 101 or the second induction coil 102 .
  • the switching device switches to the first induction coil 101 to work and the second induction coil 102 to not work. If the first induction coil 101 is located in the card swiping blind area, such as the first card swiping blind area, the electronic device cannot communicate through the first induction coil 101 at the card swiping position. After the set time interval, the switching device switches to the second induction coil 102 to work, and the first induction coil 101 does not work.
  • the second induction coil 102 Since the first induction coil 101 and the second induction coil 102 partially overlap and partially do not overlap, the second induction coil 102 is not located in the first card swiping blind area. In this way, the second induction coil 102 can generate an induced voltage.
  • the processor After sensing the induced voltage, the processor sends a control instruction to the switching device to maintain the operation of the second induction coil 102 .
  • the switching device stops alternately switching the two induction coils and maintains the operation of the second induction coil 102, thereby achieving normal communication between the electronic device and the slave device 2.
  • the second induction coil 102 may not be able to communicate.
  • the switching device switches to the first induction coil 101 to work.
  • the near field communication antenna includes a first induction coil 101 and a second induction coil 102 .
  • the switching device alternately switches the operation of the first induction coil 101 and the second induction coil 102.
  • the switching device maintains the operation of the induction coil.
  • the other induction coil for example, the first induction coil 101
  • the second induction coil 102 is not located in the induction blind zone and can work normally, thus solving the problem that the electronic device cannot communicate with the slave device 2 when the induction coil of the near field communication antenna is in the induction blind zone.
  • the first induction coil 101 and the second induction coil 102 have different areas.
  • the shapes of the first induction coil 101 and the second induction coil 102 are rectangular, circular, oval, track-shaped, etc.
  • the first induction coil 101 and the second induction coil 102 form a spirally wound structure in the radial direction (as shown in FIG. 1 ) or a spirally wound structure in the axial direction.
  • the difference in area can be due to the different diameters, different side lengths, different long sides and short sides of the two induction coils, etc.
  • both the first induction coil 101 and the second induction coil 102 are rectangular.
  • At least one variable side length of the first induction coil 101 is smaller than that of the second induction coil 102 , so that the area of the first induction coil 101 is smaller than the area of the second induction coil 102 . In this way, the difference between the first induction blind zone 3 and the second induction blind zone 4 can be significantly increased, so that the first induction coil 101 and the second induction coil 102 are not in their respective induction blind zones at the same time.
  • the near field communication antenna includes a substrate.
  • the substrate includes a first surface and a second surface arranged oppositely.
  • the first induction coil 101 is arranged on the first surface
  • the second induction coil 102 is arranged on the second surface.
  • the substrate is the motherboard of the electronic device, and the substrate is the PCB.
  • the first induction coil 101 is fixed on the First surface.
  • the second induction coil 102 is fixed on the second surface through glue.
  • the two induction coils do not interfere with each other, which makes it easy to connect the two induction coils to the substrate.
  • the optional layout space of the first induction coil 101 and the second induction coil 102 is larger, which is conducive to achieving the best communication effect of the two induction coils respectively.
  • first induction coil 101 and the second induction coil 102 are located on different surfaces, their signals interfere with each other to a small extent, and the communication between the electronic devices can be smoother.
  • the first induction coil 101 includes a first end 1011 and a second end 1012 .
  • the second induction coil 102 includes a third end 1021 and a fourth end 1022 .
  • the first end 1011 and the third end 1021 are both connected to the switching device.
  • the first end 1011 extends from the first surface to the second surface through the first via hole 1013 of the substrate.
  • the fourth end 1022 extends from the second surface to the first surface through the second via hole 1023 of the substrate and is connected to the second end 1012 .
  • the first end 1011 and the second end 1012 are respectively two wire ends of the first induction coil 101 .
  • One of the first terminal 1011 and the second terminal 1012 is connected to the positive electrode of the substrate, and the other is connected to the negative electrode of the substrate.
  • the third end 1021 and the fourth end 1022 are respectively two wire ends of the second induction coil 102 .
  • One of the third terminal 1021 and the fourth terminal 1022 is connected to the positive electrode of the substrate, and the other is connected to the negative electrode of the substrate.
  • the switching device switches the connection with the first end 1011 or the third end 1021 to realize the operation of the first induction coil 101 or the second induction coil 102 .
  • the first via hole 1013 and the second via hole 1023 are both metalized through holes that penetrate the substrate. Welding pads are respectively provided at both ends of the first via hole 1013 and the second via hole 1023 to facilitate electrical connection.
  • the first induction coil 101 and the second induction coil 102 are located on different surfaces of the substrate.
  • the first end 1011 extends from the first surface to the second surface through the first via hole 1013 of the substrate.
  • the third end 1021 is located on the second surface. In this way, the connection of the switching device to the first induction coil 101 and the second induction coil 102 becomes easy.
  • the fourth end 1022 extends from the second surface to the first surface through the second via hole 1023 and is connected to the second end 1012 . In this way, only one of the fourth end 1022 and the second end 1012 needs to be connected to other components, thereby simplifying the connection between the first induction coil 101 and the second induction coil 102 and other components.
  • the second end 1012 extends to the second surface through the fourth via 1014 .
  • the fourth via 1014 is connected to other components.
  • first end 1011 and the third end 1021 are located on the second surface.
  • the second end 1012 and the fourth end 1022 are located on the first surface. This arrangement prevents the wire ends of different polarities of the two induction coils from interfering with each other, avoids the occurrence of short circuit, and simplifies the electrical connection process.
  • the first induction coil 101 and the second induction coil 102 have the same area.
  • the first induction coil 101 and the second induction coil 102 are stacked.
  • the first induction coil 101 and the second induction coil 102 are arranged in a staggered position.
  • the first induction coil 101 and the second induction coil 102 have the same size and shape.
  • the center of the induction coil 101 and the center of the second induction coil 102 do not coincide with each other, so that the first induction coil 101 and the second induction coil 102 are misaligned.
  • the corresponding parts of the two induction coils may be staggered to form a staggered arrangement of the two induction coils.
  • the induction dead zones of the first induction coil 101 and the second induction coil 102 can be effectively prevented from overlapping, so that when one induction coil cannot communicate, the other induction coil can communicate normally.
  • the near field communication antenna includes a substrate.
  • the first induction coil 101 and the second induction coil 102 are disposed on the same surface of the substrate.
  • the first induction coil 101 is located inside the second induction coil 102, and the first induction coil 101 is connected to the second induction coil 102.
  • the first induction coil 101 and the second induction coil 102 are fixed on the first surface or the second surface through glue.
  • the first induction coil 101 and the second induction coil 102 are coaxially arranged.
  • the winding directions of the first induction coil 101 and the second induction coil 102 are the same or opposite.
  • the substrate is provided with a blank area in the middle of the second induction coil 102 .
  • the first induction coil 101 is provided in this blank area.
  • the first induction coil 101 and the second induction coil 102 are connected directly or through leads.
  • the entire second induction coil 102 is located outside the first induction coil 101 . In this way, a large difference can be formed between the induction dead zones of the first induction coil 101 and the second induction coil 102, so that when one of the induction coils cannot communicate, the other induction coil can communicate normally.
  • the switching device includes a single-pole double-throw switch 6 .
  • the fixed end of the single-pole double-throw switch 6 is connected to the first induction coil 101 and the second induction coil 102 respectively.
  • the single-pole double-throw switch 6 has a simple structure, is easy to operate, has good reliability, and can realize alternate switching of the first induction coil 101 and the second induction coil 102.
  • the first induction coil 101 and the second induction coil 102 are both rectangular. At least two sides of the first induction coil 101 and at least two sides of the second induction coil 102 have different lengths. In this way, it can be ensured that when one of the first induction coil 101 and the second induction coil 102 is located in the induction blind zone, the other is not located in the induction blind zone, thus ensuring normal communication between the electronic device and the slave device 2 .
  • an electronic device includes a near field communication antenna.
  • the near field communication antenna includes a first induction coil 101 and a second induction coil 102 .
  • the first induction coil 101 is located inside the second induction coil 102 .
  • the first induction coil 101 includes a first end 1011 and a second end 1012
  • the second induction coil 102 includes a third end 1021 and a fourth end 1022 .
  • the first end 1011 and the fourth end 1022 coincide with each other.
  • the first induction coil 101 and the second induction coil 102 constitute an integral induction coil.
  • the switching device is connected to the third end 1021 and the first end 1011 respectively.
  • the switching device is used to alternately switch the operation of the first induction coil 101 and the overall induction coil. in the stated When the electronic device communicates with an external device through the first induction coil 101 or the overall induction coil, the switching device maintains the operation of the induction coil.
  • the electronic device includes a substrate.
  • the first induction coil 101 and the second induction coil 102 are located on one surface of the substrate.
  • the third terminal 1021 is connected to the switching device.
  • the first end 1011 is connected to the third via hole 1024 of the substrate through a trace located in the substrate.
  • the third via hole 1024 is located outside the second induction coil 102 .
  • the third via hole 1024 is connected to the switching device.
  • the first end 1011 is indirectly connected to the switching device.
  • Parts of the first induction coil 101 and the second induction coil 102 form an empty area 5 . In the vacant area 5, a part of the first induction coil 101 is spaced apart from a part of the second induction coil 102.
  • the first induction coil 101 starts from the second end 1012 and gradually spirals outward.
  • the first end 1011 is the end of the first induction coil 101 .
  • the second induction coil 102 starts from the fourth end 1022 and gradually spirals outward.
  • the third end 1021 is the end of the second induction coil 102 .
  • the first induction coil 101 and the second induction coil 102 have the same winding direction, for example, clockwise winding or counterclockwise winding.
  • the first induction coil 101 and the second induction coil 102 are divided from different parts of the entire induction coil, so that the first end 1011 and the fourth end 1022 overlap.
  • the dividing points are the first end 1011 and the fourth end 1022.
  • the third via hole 1024 is located outside the second coil.
  • the third via hole 1024 is provided adjacent to the third end 1021, thereby making it easy to connect the switching device to the first induction coil 101 and the second induction coil 102.
  • the third via hole 1024 and the third end 1021 are located on the second surface of the substrate.
  • the second end 1012 extends to the first surface through the fifth via hole.
  • the second end 1012 is electrically connected to other components. In this way, a short circuit between the third terminal 1021 and the second terminal 1012 is avoided.
  • the switching device when the switching device is switched to the third end 1021, the first induction coil 101 and the second induction coil 102 work as a whole induction coil. If the whole induction coil is in the induction blind area, such as the whole induction blind area 7, the switching device is switched to the third via 1024, so that the first induction coil 101 works. Since the first induction coil 101 and the whole induction coil have different areas, the first induction coil 101 will not be in the induction blind area, so the electronic device can communicate with the slave device 2 through the first induction coil 101. The switching device maintains the first induction coil 101 working.
  • the switching device switches to the third via hole 1024, if the first induction coil 101 is in the induction blind zone. Then the switching device switches to the third terminal 1021. In this way, the overall induction coil works. Since the area of the first induction coil 101 is different from that of the overall induction coil, the overall induction coil will not be in an induction blind zone. Therefore, the electronic device can communicate with the slave device 2 through the overall induction coil. The switching device maintains the overall induction coil operation.
  • an electronic device includes a near field communication antenna, which includes a first induction coil 101 and a second induction coil 102 .
  • the projection of the first induction coil 101 on the plane where the second induction coil 102 is located is located outside the second induction coil 102 .
  • the switching device is connected to the first induction coil 101 and the second induction coil 102 respectively.
  • the switching device is used to alternately switch the operation of the first induction coil 101 and the second induction coil 102.
  • the switching device maintains the operation of the induction coil.
  • the first induction coil 101 and the second induction coil 102 do not overlap, but the projection of the first induction coil 101 on the surface of the second induction coil 102 is located on the second induction coil 102 outside.
  • the first induction coil 101 and the second induction coil 102 are spaced apart. In this way, when one of the induction coils is located in the induction blind zone, the other induction coil is not in the induction blind zone, thereby ensuring normal communication between the electronic device and the slave device 2.

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  • Near-Field Transmission Systems (AREA)

Abstract

La présente invention concerne un dispositif électronique. Le dispositif électronique comprend : une antenne de communication en champ proche, qui comprend une première bobine d'induction et une seconde bobine d'induction, une partie de la première bobine d'induction chevauchant une partie de la seconde bobine d'induction ; et un appareil de commutation, qui est connecté à la fois à la première bobine d'induction et à la seconde bobine d'induction, et est utilisé pour commuter alternativement entre le fonctionnement de la première bobine d'induction et le fonctionnement de la seconde bobine d'induction, lorsque le dispositif électronique communique avec un dispositif externe au moyen de la première bobine d'induction ou de la seconde bobine d'induction, l'appareil de commutation maintient le fonctionnement de la bobine d'induction.
PCT/CN2023/118613 2022-09-16 2023-09-13 Dispositif électronique WO2024056000A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202211130420.2A CN116031614A (zh) 2022-09-16 2022-09-16 电子设备
CN202211130420.2 2022-09-16

Publications (1)

Publication Number Publication Date
WO2024056000A1 true WO2024056000A1 (fr) 2024-03-21

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PCT/CN2023/118613 WO2024056000A1 (fr) 2022-09-16 2023-09-13 Dispositif électronique

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CN (1) CN116031614A (fr)
WO (1) WO2024056000A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116031614A (zh) * 2022-09-16 2023-04-28 维沃移动通信有限公司 电子设备

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104025464A (zh) * 2012-03-06 2014-09-03 松下电器产业株式会社 通信装置
CN108028680A (zh) * 2015-09-15 2018-05-11 高通股份有限公司 针对背面为金属的设备的近场通信以及无线功率传输双模式天线
US20180301805A1 (en) * 2016-02-10 2018-10-18 Murata Manufacturing Co., Ltd. Antenna device and electronic apparatus
CN112688063A (zh) * 2019-10-17 2021-04-20 启碁科技股份有限公司 通信装置和通信方法
CN114899587A (zh) * 2022-04-28 2022-08-12 维沃移动通信有限公司 天线、电子设备和通信方法
CN116031614A (zh) * 2022-09-16 2023-04-28 维沃移动通信有限公司 电子设备

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104025464A (zh) * 2012-03-06 2014-09-03 松下电器产业株式会社 通信装置
CN108028680A (zh) * 2015-09-15 2018-05-11 高通股份有限公司 针对背面为金属的设备的近场通信以及无线功率传输双模式天线
US20180301805A1 (en) * 2016-02-10 2018-10-18 Murata Manufacturing Co., Ltd. Antenna device and electronic apparatus
CN112688063A (zh) * 2019-10-17 2021-04-20 启碁科技股份有限公司 通信装置和通信方法
CN114899587A (zh) * 2022-04-28 2022-08-12 维沃移动通信有限公司 天线、电子设备和通信方法
CN116031614A (zh) * 2022-09-16 2023-04-28 维沃移动通信有限公司 电子设备

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