WO2018176948A1 - 移动终端天线及移动终端 - Google Patents
移动终端天线及移动终端 Download PDFInfo
- Publication number
- WO2018176948A1 WO2018176948A1 PCT/CN2017/119236 CN2017119236W WO2018176948A1 WO 2018176948 A1 WO2018176948 A1 WO 2018176948A1 CN 2017119236 W CN2017119236 W CN 2017119236W WO 2018176948 A1 WO2018176948 A1 WO 2018176948A1
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- WIPO (PCT)
- Prior art keywords
- mobile terminal
- antenna
- metal frame
- spacer
- notch
- Prior art date
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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
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
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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
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/44—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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
Definitions
- the present disclosure relates to the field of electronic devices, and in particular, to a mobile terminal antenna and a mobile terminal.
- the mobile phone antenna that is, the device for receiving signals on the mobile phone, the old mobile phone is provided with a convex antenna, and most of the new mobile phones are hidden in the body.
- a notch is formed on the metal casing or the middle frame of the mobile phone, and the antenna end signal is generated by the metal end of the notch, and the grounding point is set at the set position of the metal casing or the middle frame, so that the grounding point and the notch are
- the intermediate metal housing or the middle frame portion forms an antenna arm.
- the mobile terminal antenna of the related art when one side of the notch is used as an antenna radiation signal at the end of the antenna arm, the electric field strength is strong, and it is easy to couple the metal casing or the middle frame portion on the other side of the fracture, which causes a problem of poor isolation, so generally
- the metal casing or the middle frame part of one side of the fracture can only be used to generate antenna radiation, and the metal casing or the middle frame part of the other side must be grounded. Therefore, the mobile terminal antenna of the related art must have a gap corresponding to one antenna, as shown in FIG. 7.
- only one of the left side frame 7011 of the notch 702 and the right side frame 7012 of the notch 702 can serve as an antenna arm.
- the frame 7011 on the left side of the notch 702 is connected to the feed source 703 to become an antenna arm.
- the antenna arm is connected to the main floor 704 at one end away from the notch 702, and is grounded through the main floor 704, so that only the metal case 700 can be An antenna arm is formed. Only one of the frames on both sides of the notch 702 can be used as an antenna arm, and the utilization of the notch and the metal frame is low.
- the metal casing or the frame of the frame is not grounded on both sides, and the metal casing or frame on one side of the notch is used to generate an antenna radiation signal to form an antenna arm; the metal shell on the other side of the notch
- the body or the frame as the parasitic piece also generates the antenna radiation signal; but the parasitic piece cannot be used as the antenna arm, so that the antenna radiation signal can be generated by fully utilizing the metal casing or the frame on both sides of the notch, but only one feed can be made.
- An antenna There is still a problem of low gaps and low metal frame utilization.
- the present disclosure provides a mobile terminal antenna and a mobile terminal to solve the problem of low antenna utilization at both ends of the mobile phone antenna notch.
- the present disclosure provides a mobile terminal antenna, including: a main floor, a spacer, and a metal frame surrounding the main floor;
- the main floor is disposed on the metal frame
- the metal frame includes a first segment and a second segment, and an inner edge of the corresponding metal frame of the first segment is connected to an edge of the main floor, and an inner edge of the corresponding metal frame of the second segment is opposite to the main Separating the edge of the floor; the second section is provided with at least one notch; the metal frames at the two ends of each of the notches are respectively connected to the grounding end and the feed, so that the metal frames at the two ends of the notch respectively form at least one antenna arm;
- the spacer is disposed in the notch and connected to the ground.
- the present disclosure provides a mobile terminal, where the mobile terminal includes a mobile terminal antenna, and the mobile terminal antenna includes:
- the main floor is disposed in the metal frame
- the metal frame includes a first segment and a second segment, and an inner edge of the corresponding metal frame of the first segment is connected to an edge of the main floor, and an inner edge of the corresponding metal frame of the second segment is opposite to the main Separating the edge of the floor; the second section is provided with at least one notch; the metal frames at the two ends of each of the notches are respectively connected to the grounding end and the feed, so that the metal frames at the two ends of the notch respectively form at least one antenna arm;
- the spacer is disposed in the notch and connected to the ground.
- FIG. 1 is a schematic structural diagram of a mobile terminal antenna according to some embodiments of the present disclosure
- FIG. 2 is a schematic structural diagram of a mobile terminal antenna according to some embodiments of the present disclosure.
- 3A is a schematic structural diagram of a mobile terminal antenna according to some embodiments of the present disclosure.
- 3B is a schematic perspective structural view of a mobile terminal antenna according to some embodiments of the present disclosure.
- FIG. 4 is a schematic structural diagram of a mobile terminal according to some embodiments of the present disclosure.
- FIG. 5 is a schematic perspective structural view of a mobile terminal antenna according to some embodiments of the present disclosure.
- 6A is a comparison diagram of antenna return loss of an antenna in which a spacer is disposed and an antenna in which a spacer is not provided;
- 6B is a comparison diagram of the isolation of the antenna provided with the spacer and the antenna without the spacer;
- 6C is a comparison diagram of antenna efficiency of an antenna provided with a spacer and an antenna without a spacer
- Fig. 7 is a schematic diagram of an antenna of the related art.
- a mobile terminal antenna is provided in the embodiment of the present disclosure.
- the mobile terminal antenna includes a main floor 101, a spacer 102, and a metal frame 103 surrounding the main floor 101.
- the main floor 101 is disposed in the metal frame 103, and a part of the edge of the main floor 101 is connected to the inner side of the metal frame 103, and another part of the edge is separated from the inner side of the metal frame 103;
- the main floor 101 is coplanar with the metal frame 103;
- the metal frame 103 includes a first segment 1011 connected to the main floor 101 and a second segment 1012 separated from the main floor 101.
- the inner side of the metal frame 103 corresponding to the first segment 1011 is opposite to the main The edge of the floor 101 is connected, and the inner edge of the corresponding metal frame 103 of the second segment 1012 is separated from the edge of the main floor 101 (ie, there is a gap between the edge of the second segment 1012 and the metal frame 103);
- the second segment 1012 is provided with at least one notch 104, and a clearance area is disposed between the second section 1012 and the main floor 101;
- the metal frames 103 at both ends of each of the notches 104 are respectively connected to the grounding end 105 and the feed 106, so that The metal frames at the two ends of the notch 104 respectively form at least one antenna arm for radiating the antenna signal.
- the first segment 1011 is a part of the metal frame 103
- the second segment 1012 is the metal frame 103. In another portion,
- the spacer 102 is disposed in the notch 104 and connected to the ground end 105.
- the mobile terminal antenna provided by the embodiment of the present disclosure has a segment of the metal frame as an antenna arm, and a gap is formed between the antenna arms to ensure the radiation effect of the antenna arm;
- a coupling capacitor causes energy coupling between the metal frame portions on both sides of the notch, so that the isolation between the antenna arms on both sides of the notch is not good, which affects the efficiency of the antenna.
- the spacer is disposed at the notch of the metal frame to increase the isolation between the metal frames on both sides of the notch, so that the metal frame portions on both sides of the notch can be used as the antenna arm, and the spacer is disposed as shown in FIG. 6A.
- FIG. 6B shows the isolation comparison between the antenna for the spacer and the antenna without the spacer.
- the isolation of the antenna with the spacer is significantly higher than that for the antenna without the spacer; the isolation is set as shown in Figure 6C. Comparing the efficiency of the antenna of the chip with the antenna without the spacer, the efficiency of the antenna for setting the spacer is significantly higher than that of the antenna without the spacer.
- the embodiment of the present disclosure increases the number of antenna arms without increasing the number of gaps and the number of metal frames and ensuring the radiation effect of the antenna, so that the number of antennas is increased and the antenna efficiency is improved.
- the isolation sheet is provided to ensure the isolation effect between the antenna arms, so that the use effect of the antenna arm is not adversely affected by the increase in the number of antenna arms.
- the feed is a portion where the feeder is connected to the antenna.
- the feeder is a transmission line whose RF front end is connected to the antenna.
- the spacer is made of a metal material.
- the cross section of the spacer is substantially the same as the shape of the cross section of the metal arm on both sides, and may be an additional metal material embedded in the metal frame notch, or may be a part taken when the metal frame is opened, and the spacer and the antenna at both ends
- the cross-sectional area corresponding to the arm is slightly smaller than the cross-sectional area of the antenna arm on both sides, and the spacer is wrapped when the gap is filled with the non-metallic material, so that the appearance looks like a gap.
- the metal frame is a part of a frame or a metal casing in the mobile terminal.
- the primary floor is used as an equivalent ground.
- the spacer and/or the at least one antenna arm are grounded by connecting the main floor.
- the spacer and/or the at least one antenna arm are connected to the main board through the elastic piece, and then connected to the main floor by the main board.
- At least one mobile terminal is connected to another working period on a path in which the spacer and/or the at least one antenna arm are grounded.
- the metal frame is a metal frame disposed on a mobile terminal motherboard (PCB board), or, as shown in FIG. 5, the metal frame is a metal middle frame 501 of the mobile terminal, and the metal frame is An opening 5011 is provided in the 501, and the spacer 502 is disposed in the opening 5011.
- the cross-sectional shape of the spacer 502 is adapted to the shape of the cross section of the metal middle frame 501.
- the main floor comprises a main board (PCB board) and a large piece of integral metal connected thereto, and forms an induced current with the antenna radiator as a reference ground for the antenna.
- PCB board main board
- the isolation effect at both ends of the notch is improved, and in the case where the ground end exists at both ends of the notch, the metal frame at both ends of the port It can be used as an antenna.
- the number of notches and the number of metal frames are increased, the length of the antenna is increased. Since the metal frames on both sides of the notch can be used as antenna arms, a larger number of notches can be formed.
- the antenna arm improves the utilization of the metal frame and the gap, so that the mobile terminal can better adapt to the development needs of the multi-antenna of the mobile terminal.
- a mobile terminal antenna provided by some embodiments of the present disclosure is configured as shown in FIG.
- the metal frame 103 between the adjacent two notches 104 is A grounding point 1013 is provided, and the grounding point 1013 is connected to the grounding end 105 such that the metal frame 103 between the adjacent two notches 104 is divided into two antenna arms by the grounding point.
- a mobile terminal of a metal casing or a middle frame has N antennas, it must have N fractures.
- N the number of antennas such as 4 antennas and even 8 antennas for mobile terminals, plus GPS and WIFI antennas in mobile phones, the entire mobile terminal may require more than 6 breaks, and the appearance is not good.
- the metal frame portions at both ends of the antenna notch can be used as the antenna arm, when N slots are provided, 2N antennas can be fabricated, which further improves the utilization rate of the metal frame.
- the second section of the metal frame between the two adjacent notches is structurally separable from other parts of the metal frame, and the metal frame between the adjacent notches is provided because both ends are provided with notches.
- a grounding point is set on the second section. The grounding point divides the second section of the metal frame between the adjacent notches into two antenna arms, and the second end of the metal frame near the notch serves as the radiating end of the antenna arm.
- At least one antenna arm is connected to the main floor through a first segment of the metal frame such that the main floor becomes an equivalent ground end of the antenna arm and functions as a ground end.
- the antenna arm 1014 and the antenna arm 1015 are connected to the first section of the metal frame, connected to the main floor 101 through the first section of the metal frame, and grounded by connecting the main floor 101.
- the spacer d has a thickness d of less than 1 mm.
- the spacer 102 has a thickness d of less than 0.5 mm.
- the thickness of the spacer is small, which is beneficial to the appearance of the mobile terminal, and can also effectively avoid resonance.
- the distance between the spacer and the antenna arms on both sides thereof is as large as possible; at the same time, the total width of the slit is minimized, and the thickness of the spacer can be further reduced, less than 0.5 mm.
- the distance between the spacer and the antenna arm on both sides of the spacer is greater than 0.5 mm.
- each antenna arm in the mobile terminal has its own use, it is very important to ensure the isolation between the antenna arms.
- each of the spacers and the ground portion thereof generate a resonant frequency greater than a maximum operating frequency of the antennas on both sides of the spacer.
- the path connecting the isolation plate to the ground end is shorter than the connection between the antenna arm and the ground end. path.
- the spacer is metal, and the spacer is provided with an insulating layer on the periphery thereof, and the insulating layer wraps the spacer to further ensure the isolation effect of the spacer.
- the cross-sectional area of the spacer does not exceed the area of the second port of the metal frame at the two ends of the notch, and the spacer is not exposed from the notch to ensure the appearance of the mobile terminal.
- the center of the spacer may be offset from the center of the second port face of the metal frame at the notch.
- the first segment of the spacer, the main floor, and the metal frame are integrally formed; the two ends of the first segment of the metal frame are integrally formed with the antenna arm closest to each other.
- FIGS. 3A and 3B are schematic diagrams showing the structure of a mobile terminal antenna according to some embodiments of the present disclosure.
- the mobile terminal has a metal casing 301, and an opening pattern 302 is disposed inside the edge of the metal casing 301, so that a part of the edge of the metal casing 301 is separated from the metal casing 301, and a partially separated edge forms a second frame 3011 of the metal frame; the metal casing 301
- the portions where the opening pattern is not provided are respectively used as the metal frame first segment 3012 and the main floor 3013.
- a notch 3014 is disposed in the second segment 3011, and the spacer 303 is disposed in the notch 3014.
- the second frame 3011 of the metal frame on both sides of the notch 3014 is connected to the grounding end 304 or the main floor 3013 to form an antenna arm.
- Each antenna arm is connected to the feed source 304, and a grounding point is disposed on the antenna arm between the adjacent two notches 3014.
- the spacer 303 is a part of the metal case 301 and is integrally formed with the main floor 3013.
- the present disclosure provides a mobile terminal that includes a mobile terminal antenna provided by any of the embodiments of the present disclosure.
- the mobile terminal includes a mobile terminal antenna
- the mobile terminal antenna further includes: a main floor, a spacer, and a metal frame disposed around the periphery of the main floor;
- the main floor is disposed in a region defined by the metal frame
- the metal frame includes a first segment connected to the main floor and a second segment separated from the main floor, the second segment is provided with at least one notch; and metal frames at both ends of each of the notches are respectively connected a grounding end and a feed source, wherein the metal frames at both ends of the notch respectively form at least one antenna arm;
- the spacer is disposed in the notch and connected to the ground.
- a grounding point is disposed on the second segment of the metal frame between the two adjacent notches, and the grounding point and the grounding end are The connection is such that the second section of the metal frame between the adjacent two notches is divided into two antenna arms by the grounding point.
- At least one antenna arm is connected to the main floor through a first section of the metal frame, and the main floor is used as an equivalent ground.
- the spacer has a thickness of less than 1 mm.
- the distance between the spacer and the antenna arm on both sides of the spacer is greater than 0.5 mm.
- each of the spacers and the ground portion thereof generate a resonant frequency greater than a maximum operating frequency of the antennas on both sides of the spacer.
- the path connecting the spacer to the ground is shorter than the path connecting the antenna arm to the ground.
- the spacer is provided with an insulating layer around the periphery, and the insulating layer wraps the spacer.
- the first segment of the spacer, the main floor, and the metal frame are integrally connected; the two ends of the first segment of the metal frame are respectively integrated with the antenna arm closest to the antenna.
- the mobile terminal 400 in FIG. 4 may be a mobile phone, a tablet computer, a personal digital assistant (PDA), an MP3, or an in-vehicle computer.
- PDA personal digital assistant
- MP3 an in-vehicle computer
- the mobile terminal 400 in FIG. 4 includes an antenna 410, a memory 420, an input unit 430, a display unit 440, a processor 450, a circuit system 460, a power source 470, and the like.
- the input unit 430 can be used to receive digital or character information input by the user, and generate signal input related to user setting and function control of the mobile terminal 400.
- the input unit 430 may include a touch panel 431.
- the touch panel 431 also referred to as a touch screen, can collect touch operations on or near the user (such as the operation of the user using any suitable object or accessory such as a finger or a stylus on the touch panel 431), and according to the preset The programmed program drives the corresponding connection device.
- the touch panel 431 may include two parts: a touch detection device and a touch controller.
- the touch detection device detects the touch orientation of the user, and detects a signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts the touch information into contact coordinates, and sends the touch information.
- the processor 450 is provided and can receive commands from the processor 450 and execute them.
- the touch panel 431 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves.
- the input unit 430 may further include other input devices 432, which may include, but are not limited to, physical keyboards, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, joysticks, and the like. One or more of them.
- the display unit 440 can be used to display information input by the user or information provided to the user and various menu interfaces of the mobile terminal 400.
- the display unit 440 can include a display panel 441.
- the display panel 441 can be configured in the form of an LCD or an Organic Light-Emitting Diode (OLED).
- the touch panel 431 can cover the display panel 441 to form a touch display screen, and when the touch display screen detects a touch operation on or near it, it is transmitted to the processor 460 to determine the type of the touch event, and then the processor The 460 provides a corresponding visual output on the touch display depending on the type of touch event.
- the touch display includes an application interface display area and a common control display area.
- the arrangement manner of the application interface display area and the display area of the common control is not limited, and the arrangement of the two display areas can be distinguished by up-and-down arrangement, left-right arrangement, and the like.
- the application interface display area can be used to display the interface of the application. Each interface can contain interface elements such as at least one application's icon and/or widget desktop control.
- the application interface display area can also be an empty interface that does not contain any content.
- the common control display area is used to display controls with high usage, such as setting buttons, interface numbers, scroll bars, phone book icons, and the like.
- the processor 460 is a control center of the mobile terminal 400, and connects various parts of the entire mobile phone by using various interfaces and lines, by running or executing software programs and/or modules stored in the first memory 421, and calling the second storage.
- the data in the memory 422 performs various functions and processing data of the mobile terminal 400, thereby performing overall monitoring of the mobile terminal 400.
- processor 460 can include one or more processing units.
- the mobile terminal antenna 410 includes: a main floor, a spacer, and a metal frame surrounding the main floor;
- the main floor is disposed in the metal frame, and a part of the edge of the main floor is connected to an inner edge of the metal frame, and another part of the edge is separated from an inner edge of the metal frame;
- the metal frame includes a first segment and a second segment, and an inner edge of the corresponding metal frame of the first segment is connected to an edge of the main floor, and an inner edge of the corresponding metal frame of the second segment is opposite to the main Separating the edge of the floor; the second section is provided with at least one notch; the metal frames at the two ends of each of the notches are respectively connected to the grounding end and the feed, so that the metal frames at the two ends of the notch respectively form at least one antenna arm;
- the spacer is disposed in the notch and connected to the ground.
- a metal frame is disposed between the two adjacent notches, and the grounding point is connected to the ground, so that the adjacent The second section of the metal frame between the two notches is divided into two antenna arms by the grounding point.
- At least one antenna arm is connected to the main floor through a first segment of the metal frame such that the main floor becomes an equivalent ground end of the antenna arm.
- the spacer has a thickness of less than 1 mm.
- the distance between the spacer and the antenna arm on both sides of the spacer is greater than 0.5 mm.
- each of the spacers and the ground portion thereof generate a resonant frequency greater than a maximum operating frequency of the antennas on both sides of the spacer.
- the path connecting the spacer to the ground is shorter than the path connecting the antenna arm to the ground.
- the spacer is metal, and the spacer is peripherally provided with an insulating layer, and the insulating layer wraps the spacer.
- the first segment of the spacer, the main floor, and the metal frame are integrally connected; the two ends of the first segment of the metal frame are respectively integrated with the antenna arm closest to the antenna.
- the disclosed apparatus and method may be implemented in other manners.
- the device embodiments described above are merely illustrative.
- the division of the unit is only a logical function division.
- there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
- the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
- the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
- each functional unit in various embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
- the functions, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, a portion of the technical solution of the present disclosure that contributes in essence or to the related art or a part of the technical solution may be embodied in the form of a software product stored in a storage medium, including several The instructions are for causing a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present disclosure.
- the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
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Abstract
本公开提供一种移动终端天线及移动终端。移动终端天线包括:主地板、隔离片、环绕包围主地板的金属框;其中,主地板设置于金属框内,且主地板的部分边沿与金属框的内边连接、另一部分边沿与金属框的内边分离;金属框包括第一段和第二段,第一段对应的金属框的内边与主地板的边沿连接,第二段对应的金属框的内边与主地板边沿分离;第二段设置有至少一个缺口;每个缺口两端的金属框均各自连接接地端和馈源,使得所述缺口两端的金属框分别形成至少一个天线臂;隔离片设置于缺口中,并与接地端连接。移动终端,包括本公开任意一项实施例所提供的移动终端。
Description
相关申请的交叉引用
本申请主张在2017年3月28日在中国提交的中国专利申请No.201710191650.2的优先权,其全部内容通过引用包含于此。
本公开涉及电子设备领域,尤其涉及一种移动终端天线及移动终端。
手机天线,即手机上用于接收信号的设备,旧式手机设置有外凸式天线,新式手机多数已隐藏在机身内。相关技术中,在手机的金属壳体或中框上设置缺口,利用缺口两端的金属末端产生天线辐射信号,并在金属壳体或中框的设定位置设置接地点,使得接地点和缺口之间的金属壳体或中框部分形成天线臂。相关技术中,所述缺口的一边用作天线臂末端产生天线辐射信号时,电场强度很强,容易耦合断口的另一边的金属壳体或中框部分,产生隔离度不好的问题,所以一般断口两边只能利用一边的金属壳体或中框部分来产生天线辐射,另一边的金属壳体或中框部分必须接地,因此,相关技术的移动终端天线必须一个缺口对应一个天线,如图7所示,当金属壳体700的边框701上只设置一个缺口702时,缺口702左边边框7011和缺口702右边边框7012中,仅有一个能够作为天线臂。例如在图7中,缺口702左边的边框7011连接馈源703,成为天线臂,该天线臂远离缺口702的一端连接主地板704,并通过主地板704接地,从而在金属壳体700上仅仅能够形成一个天线臂。缺口702两侧的边框,只有一个能够作为天线臂使用,缺口和金属边框利用率低。
相关技术中,还存在令一种手机天线技术,金属壳体或边框的缺口两边都不接地,缺口一边的金属壳体或边框用于产生天线辐射信号,形成天线臂;缺口另一边的金属壳体或边框作为寄生片也产生天线辐射信号;但寄生片不能作为天线臂使用,这样虽然能充分利用缺口两边的金属壳体或边框产生天 线辐射信号,但是只能有一个馈入,只能做一个天线。仍然存在缺口和金属边框利用率低的问题。
发明内容
本公开提供一种移动终端天线及移动终端,以解决手机天线缺口两端天线利用率低的问题。
第一方面,本公开提供了一种移动终端天线,所述移动终端天线包括:主地板、隔离片、环绕包围所述主地板的金属框;其中,
所述主地板设置于所述金属框;
所述金属框包括第一段和第二段,所述第一段对应的金属框的内边与所述主地板的边沿连接,所述第二段对应的金属框的内边与所述主地板边沿分离;所述第二段设置有至少一个缺口;每个所述缺口两端的金属框均各自连接接地端和馈源,使得所述缺口两端的金属框分别形成至少一个天线臂;
所述隔离片设置于所述缺口中,并与所述接地端连接。
第二方面,本公开提供了一种移动终端,所述移动终端包括移动终端天线;所述移动终端天线包括:
主地板、隔离片、环绕包围所述主地板的金属框;其中,
所述主地板设置于所述金属框内;
所述金属框包括第一段和第二段,所述第一段对应的金属框的内边与所述主地板的边沿连接,所述第二段对应的金属框的内边与所述主地板边沿分离;所述第二段设置有至少一个缺口;每个所述缺口两端的金属框均各自连接接地端和馈源,使得所述缺口两端的金属框分别形成至少一个天线臂;
所述隔离片设置于所述缺口中,并与所述接地端连接。
为了更清楚地说明本公开实施例的技术方案,下面将对本公开实施例描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本公开的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动性的前提下,还可以根据这些附图获得其他的附图。
图1为本公开的一些实施例的移动终端天线结构示意图;
图2为本公开的一些实施例的移动终端天线结构示意图;
图3A为本公开的一些实施例的移动终端天线结构示意图;
图3B为本公开的一些实施例的移动终端天线立体结构示意图;
图4为本公开的一些实施例的移动终端结构示意图;
图5为本公开的一些实施例的移动终端天线立体结构示意图;
图6A为设置隔离片的天线与未设置隔离片的天线回波损耗对比图;
图6B为设置隔离片的天线与未设置隔离片的天线隔离度对比图;
图6C为设置隔离片的天线与未设置隔离片的天线效率对比图;
图7为相关技术的天线示意图。
下面将结合本公开实施例中的附图,对本公开实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本公开一部分实施例,而不是全部的实施例。基于本公开中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本公开保护的范围。
本公开的一些实施例提供的移动终端天线,其结构如图1所示,所述移动终端天线包括:主地板101、隔离片102、环绕包围所述主地板101的金属框103;其中,
所述主地板101设置于所述金属框103内,且所述主地板101的部分边沿与所述金属框103内边连接、另一部分边沿与所述金属框103的内边分离;大体上,主地板101与金属框103共面;
所述金属框103包括与所述主地板101连接的第一段1011和与所述主地板101分离的第二段1012,所述第一段1011对应的金属框103的内边与所述主地板101的边沿连接,所述第二段1012对应的金属框103的内边与所述主地板101边沿分离(即第二段1012与金属框103边沿之间存在空隙);所述第二段1012设置有至少一个缺口104,且所述第二段1012与主地板101之间设置有净空区;每个所述缺口104两端的金属框103均各自连接接地端105和馈源106,使得所述缺口104两端的金属框分别形成至少一个天线臂, 用于辐射天线信号;具体的,所述第一段1011为所述金属框103的一部分,所述第二段1012为所述金属框103的另一部分,第一段1011的两端与第二段1012的两端连接。
所述隔离片102设置于所述缺口104中,并与所述接地端105连接。
从上面所述可以看出,本公开实施例提供的移动终端天线,由金属框的分段作为天线臂,在天线臂之间设置缺口,保证了天线臂的辐射效果;但是所述缺口相当于一个耦合电容,使得缺口两边的金属框部分存在能量耦合,进而缺口两边的天线臂之间的隔离度不好,影响天线效率。本公开实施例在金属框的缺口处设置隔离片,增加缺口两边的金属框之间的隔离效果,从而缺口两边的金属框部分均可作为天线臂使用,且如图6A所示的设置隔离片的天线与不设置隔离片的天线回波损耗示意图,从图中可以看出,设置隔离片的天线回波损耗基本上少于未设置隔离片的天线回波损耗(RL,RETURN LOSS);如图6B所示的设置隔离片的天线与不设置隔离片的天线的隔离度对比图,设置隔离片的天线的隔离度明显高于未设置隔离片的天线;在如图6C所示的设置隔离片的天线与不设置隔离片的天线的效率对比图,设置隔离片的天线的效率明显高于未设置隔离片的天线。
因此,本公开实施例在不增加缺口数目和金属框数目、保证天线辐射效果的情况下增加了天线臂的数目,从而天线数量得到增加,天线效率提高。同时,设置隔离片保证了天线臂之间的隔离效果,使得天线臂的使用效果基本不会因为天线臂数目的增多而受到不良影响。
在本公开具体实施例中,馈源为馈线连接于天线处的部位。馈线为射频前端连接于天线的传输线。
在本公开实施例中,可选的,隔离片采用金属材料制作。具体的,所述隔离片的截面与两边的金属臂截面的形状大致相同,可以是金属框缺口中额外镶嵌的金属材料,也可以是金属框开设缺口时截取的部分,隔离片与两端的天线臂对应的截面积比两边的天线臂截面积略小,缝隙填充非金属材料时把隔离片包住,使得外观上看起来是一个缝隙。
在本公开实施例中,可选的,所述金属框为移动终端中框或金属壳体的一部分。
在本公开具体实施例中,所述主地板作为等效接地端使用。隔离片和/或至少一个天线臂通过连接所述主地板进行接地。
可选的,所述隔离片和/或至少一个天线臂通过弹片连接到主板,再由主板连接到主地板。在所述隔离片和/或至少一个天线臂接地的路径上,连接有至少一个移动终端其它工作期间。
可选的,所述金属框为设置于移动终端主板(PCB板)上的金属框,或者,如图5所示,所述金属框为移动终端的金属中框501,在所述金属中框501上设置开口5011,隔离片502设置于开口5011中,隔离片502的截面形状与所述金属中框501的截面的形状相适应。
具体的,所述主地板包括主板(PCB板)以及与其相连接的一大片整体的金属,与天线辐射体形成感应电流,作为天线的参考地。
在本公开实施例中,通过对金属框的一部分设置缺口,并在缺口中设置隔离片,使得缺口两端的隔离效果提高,在所述缺口两端均存在接地端的情况下,端口两端的金属框均可以作为天线使用,在不增加缺口数目、金属框数目的情况下,增加了天线长度,由于缺口两边的金属框均能够作为天线臂使用,开设一定数量的缺口的情况下能够形成更多的天线臂,提高了金属框、缺口的利用率,使得移动终端能够更好地适应移动终端多天线的发展需求。本公开的一些实施例提供的移动终端天线,结构如图2所示,所述移动终端天线的缺口104设置有两个或两个以上时,相邻两个缺口104之间的金属框103上设置有接地点1013,所述接地点1013与所述接地端105连接,使得所述相邻两个缺口104之间的金属框103被所述接地点分成两个天线臂。
相关技术中,金属壳体或中框的移动终端如果要做N个天线,就必须有N个断口。而随着5G技术的发展,对移动终端提出4天线甚至8天线等更多天线的需求,加上手机中的GPS、WIFI天线,整个移动终端可能需要6个以上的断口,外观不好看。本公开上述实施例中,由于天线缺口两端的金属框部分均可以作为天线臂,那么,当缺口设置有N个时,可制作2N个天线,进一步提高了金属框的利用率。
可选的,所述两个相邻缺口之间的金属框第二段,在结构上与金属框其他部位可分离,由于两端均设置有缺口,可在相邻缺口之间的金属框第二段 上设置接地点,接地点将相邻缺口之间的金属框第二段分为两个天线臂,缺口处附近的金属框第二端用做天线臂的辐射端。
可选的,至少一个天线臂通过所述金属框的第一段与所述主地板连接,使得所述主地板成为该天线臂的等效接地端,起着接地端的作用。
仍然参照图2,天线臂1014和天线臂1015与金属框第一段连接,通过金属框第一段与主地板101连接,通过连接主地板101接地。
可选的,仍然参照图2,所述隔离片102的厚度d小于1mm。优选的,所述隔离片102的厚度d小于0.5mm。隔离片厚度较小,有利于移动终端外观的美观,同时也能够有效避免产生谐振。
可选的,为了保证隔离效果,隔离片与其两边的天线臂之间的距离尽量大;同时尽量保证缝隙总宽度最小,隔离片的厚度可进一步减小,小于0.5mm。
可选的,所述隔离片与所述隔离片两边的天线臂之间的距离大于0.5mm。
由于移动终端内每段天线臂都具有自身的用途,因此,保证天线臂之间的隔离效果非常重要。可选的,为了提高隔离片的隔离效果,每个所述隔离片及其接地部分产生的谐振频率大于该隔离片两边天线的最大工作频率。
可选的,为了保证所述隔离片及其接地部分产生的谐振频率大于该隔离片两端天线的谐振频率,所述隔离片与接地端连接的路径短于所述天线臂与接地端连接的路径。
可选的,所述隔离片为金属,且所述隔离片外围设置有一层绝缘层,所述绝缘层包裹所述隔离片,进一步保证隔离片的隔离效果。
可选的,所述隔离片的截面积不超过所述缺口两端的金属框第二段端口面积,隔离片不从所述缺口处外露,保证移动终端的美观。在隔离片在所述缺口处不外露于金属框第二段的情况下,所述隔离片的中心可向所述缺口处金属框第二段端口面的中心偏离。
可选的,所述隔离片、主地板、金属框的第一段一体形成;所述金属框的第一段的两端分别与距离最近的天线臂一体形成。
图3A和图3B为本公开的一些实施例的移动终端天线结构示意图。移动终端具有金属壳体301,该金属壳体301边缘内侧设置开口图形302,使得金属壳体301一部分边沿与金属壳体301分离,部分分离的边沿形成金属框第 二段3011;金属壳体301未设置开口图形的部分分别作为金属框第一段3012和主地板3013。在第二段3011上设置有缺口3014,隔离片303设置于缺口3014中。缺口3014两边的金属框第二段3011与接地端304或主地板3013连接,形成天线臂,每个天线臂与馈源304连接,相邻两个缺口3014之间的天线臂上设置有接地点3015。隔离片303是金属壳体301的一部分,与所述主地板3013一体形成。
本公开提供一种移动终端,该移动终端包括本公开任意一项实施例所提供的移动终端天线。
可选的,所述移动终端,包括移动终端天线,所述移动终端天线进一步包括:主地板、隔离片、设置于主地板周边的金属框;其中,
所述主地板设置于所述金属框所限定的区域内;
所述金属框包括与所述主地板连接的第一段和与所述主地板分离的第二段,所述第二段设置有至少一个缺口;每个所述缺口两端的金属框均各自连接接地端和馈源,使得所述缺口两端的金属框分别形成至少一个天线臂;
所述隔离片设置于所述缺口中,并与所述接地端连接。
可选的,当所述移动终端天线缺口设置有两个或两个以上时,相邻两个缺口之间的金属框的第二段上设置有接地点,所述接地点与所述接地端连接,使得所述相邻两个缺口之间的金属框的第二段被所述接地点分成两个天线臂。
可选的,至少一个天线臂通过所述金属框的第一段与所述主地板连接,所述主地板用于作等效接地端。
可选的,所述隔离片的厚度小于1mm。
可选的,所述隔离片与所述隔离片两边的天线臂之间的距离大于0.5mm。
可选的,每个所述隔离片及其接地部分产生的谐振频率大于该隔离片两边天线的最大工作频率。
可选的,所述隔离片与接地端连接的路径短于所述天线臂与接地端连接的路径。
可选的,所述隔离片外围设置有一层绝缘层,所述绝缘层包裹所述隔离片。
可选的,所述隔离片、主地板、金属框的第一段连为一体;所述金属框 的第一段的两端分别与距离最近的天线臂连为一体。
图4是本公开的一些实施例的移动终端的结构示意图。具体地,图4中的移动终端400可以为手机、平板电脑、个人数字助理(Personal Digital Assistant,PDA)、MP3、或车载电脑等。
图4中的移动终端400包括天线410、存储器420、输入单元430、显示单元440、处理器450、电路系统460、电源470等。
其中,输入单元430可用于接收用户输入的数字或字符信息,以及产生与移动终端400的用户设置以及功能控制有关的信号输入。具体地,本公开实施例中,该输入单元430可以包括触控面板431。触控面板431,也称为触摸屏,可收集用户在其上或附近的触摸操作(比如用户使用手指、触笔等任何适合的物体或附件在触控面板431上的操作),并根据预先设定的程式驱动相应的连接装置。可选的,触控面板431可包括触摸检测装置和触摸控制器两个部分。其中,触摸检测装置检测用户的触摸方位,并检测触摸操作带来的信号,将信号传送给触摸控制器;触摸控制器从触摸检测装置上接收触摸信息,并将它转换成触点坐标,再送给该处理器450,并能接收处理器450发来的命令并加以执行。此外,可以采用电阻式、电容式、红外线以及表面声波等多种类型实现触控面板431。除了触控面板431,输入单元430还可以包括其他输入设备432,其他输入设备432可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆等中的一种或多种。
其中,显示单元440可用于显示由用户输入的信息或提供给用户的信息以及移动终端400的各种菜单界面。显示单元440可包括显示面板441,可选的,可以采用LCD或有机发光二极管(Organic Light-Emitting Diode,OLED)等形式来配置显示面板441。
应注意,触控面板431可以覆盖显示面板441,形成触摸显示屏,当该触摸显示屏检测到在其上或附近的触摸操作后,传送给处理器460以确定触摸事件的类型,随后处理器460根据触摸事件的类型在触摸显示屏上提供相应的视觉输出。
触摸显示屏包括应用程序界面显示区及常用控件显示区。该应用程序界 面显示区及该常用控件显示区的排列方式并不限定,可以为上下排列、左右排列等可以区分两个显示区的排列方式。该应用程序界面显示区可以用于显示应用程序的界面。每一个界面可以包含至少一个应用程序的图标和/或widget桌面控件等界面元素。该应用程序界面显示区也可以为不包含任何内容的空界面。该常用控件显示区用于显示使用率较高的控件,例如,设置按钮、界面编号、滚动条、电话本图标等应用程序图标等。
其中处理器460是移动终端400的控制中心,利用各种接口和线路连接整个手机的各个部分,通过运行或执行存储在第一存储器421内的软件程序和/或模块,以及调用存储在第二存储器422内的数据,执行移动终端400的各种功能和处理数据,从而对移动终端400进行整体监控。可选的,处理器460可包括一个或多个处理单元。
在本公开实施例中,所述移动终端天线410包括:主地板、隔离片、环绕包围所述主地板的金属框;其中,
所述主地板设置于所述金属框内,且所述主地板的部分边沿与所述金属框的内边连接、另一部分边沿与所述金属框的内边分离;
所述金属框包括第一段和第二段,所述第一段对应的金属框的内边与所述主地板的边沿连接,所述第二段对应的金属框的内边与所述主地板边沿分离;所述第二段设置有至少一个缺口;每个所述缺口两端的金属框均各自连接接地端和馈源,使得所述缺口两端的金属框分别形成至少一个天线臂;
所述隔离片设置于所述缺口中,并与所述接地端连接。
可选的,当所述缺口设置有两个或两个以上时,相邻两个缺口之间的金属框上设置有接地点,所述接地点与所述接地端连接,使得所述相邻两个缺口之间的金属框的第二段被所述接地点分成两个天线臂。
可选的,至少一个天线臂通过所述金属框的第一段与所述主地板连接,使得所述主地板成为该天线臂的等效接地端。
可选的,所述隔离片的厚度小于1mm。
可选的,所述隔离片与所述隔离片两边的天线臂之间的距离大于0.5mm。
可选的,每个所述隔离片及其接地部分产生的谐振频率大于该隔离片两边天线的最大工作频率。
可选的,所述隔离片与接地端连接的路径短于所述天线臂与接地端连接的路径。
可选的,所述隔离片为金属,且所述隔离片外围设置有一层绝缘层,所述绝缘层包裹所述隔离片。
可选的,所述隔离片、主地板、金属框的第一段连为一体;所述金属框的第一段的两端分别与距离最近的天线臂连为一体。
本领域普通技术人员可以意识到,结合本文中所公开的实施例描述的各示例的单元及算法步骤,能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行,取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能,但是这种实现不应认为超出本公开的范围。
所属领域的技术人员可以清楚地了解到,为描述的方便和简洁,上述描述的系统、装置和单元的具体工作过程,可以参考前述方法实施例中的对应过程,在此不再赘述。
在本申请所提供的实施例中,应该理解到,所揭露的装置和方法,可以通过其它的方式实现。例如,以上所描述的装置实施例仅仅是示意性的,例如,所述单元的划分,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式,例如多个单元或组件可以结合或者可以集成到另一个系统,或一些特征可以忽略,或不执行。另一点,所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口,装置或单元的间接耦合或通信连接,可以是电性,机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的,作为单元显示的部件可以是或者也可以不是物理单元,即可以位于一个地方,或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外,在本公开各个实施例中的各功能单元可以集成在一个处理单元中,也可以是各个单元单独物理存在,也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用 时,可以存储在一个计算机可读取存储介质中。基于这样的理解,本公开的技术方案本质上或者说对相关技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质中,包括若干指令用以使得一台计算机设备(可以是个人计算机,服务器,或者网络设备等)执行本公开各个实施例所述方法的全部或部分步骤。而前述的存储介质包括:U盘、移动硬盘、ROM、RAM、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述,仅为本公开的具体实施方式,但本公开的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本公开揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本公开的保护范围之内。因此,本公开的保护范围应以权利要求的保护范围为准。
Claims (10)
- 一种移动终端天线,包括:主地板、隔离片、环绕包围所述主地板的金属框;其中,所述主地板设置于所述金属框内;所述金属框包括第一段和第二段,所述第一段对应的金属框的内边与所述主地板的边沿连接,所述第二段对应的金属框的内边与所述主地板边沿分离;所述第二段设置有至少一个缺口;每个所述缺口两端的金属框均各自连接接地端和馈源,使得所述缺口两端的金属框分别形成至少一个天线臂;所述隔离片设置于所述缺口中,并与所述接地端连接。
- 根据权利要求1所述的移动终端天线,其中,当所述缺口设置有两个或两个以上时,相邻两个缺口之间的金属框上设置有接地点,所述接地点与所述接地端连接,使得所述相邻两个缺口之间的金属框被所述接地点分成两个天线臂。
- 根据权利要求1所述的移动终端天线,其中,至少一个天线臂通过所述金属框的第一段与所述主地板连接,使得所述主地板成为该天线臂的等效接地端。
- 根据权利要求1所述的移动终端天线,其中,所述隔离片的厚度小于1mm。
- 根据权利要求1所述的移动终端天线,其中,所述隔离片与所述隔离片两边的天线臂之间的距离大于0.5mm。
- 根据权利要求1所述的移动终端天线,其中,每个所述隔离片及其接地部分产生的谐振频率大于该隔离片两边天线的最大工作频率。
- 根据权利要求6所述的移动终端天线,其中,所述隔离片与接地端连接的路径短于所述天线臂与接地端连接的路径。
- 根据权利要求1所述的移动终端天线,其中,所述隔离片为金属,且所述隔离片外围设置有一层绝缘层,所述绝缘层包裹所述隔离片。
- 根据权利要求1-8中任意一项所述的移动终端天线,其中,所述隔离片、主地板、金属框的第一段一体形成;所述金属框的第一段的两端分别与 距离最近的天线臂一体形成。
- 一种移动终端,包括权利要求1-9中任意一项所述的移动终端天线。
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CN109586031A (zh) * | 2018-12-28 | 2019-04-05 | 维沃移动通信有限公司 | 一种无线电子通信设备 |
CN109586031B (zh) * | 2018-12-28 | 2021-04-27 | 维沃移动通信有限公司 | 一种无线电子通信设备 |
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US20200058983A1 (en) | 2020-02-20 |
ES2908583T3 (es) | 2022-05-03 |
EP3605729B1 (en) | 2022-01-26 |
EP3605729A4 (en) | 2020-04-15 |
CN106887678A (zh) | 2017-06-23 |
US11133573B2 (en) | 2021-09-28 |
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