EP3188313B1 - Multi-band antenna and communication terminal - Google Patents

Multi-band antenna and communication terminal Download PDF

Info

Publication number
EP3188313B1
EP3188313B1 EP14902346.7A EP14902346A EP3188313B1 EP 3188313 B1 EP3188313 B1 EP 3188313B1 EP 14902346 A EP14902346 A EP 14902346A EP 3188313 B1 EP3188313 B1 EP 3188313B1
Authority
EP
European Patent Office
Prior art keywords
frequency
radiator
antenna
node
branch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP14902346.7A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3188313A4 (en
EP3188313A1 (en
Inventor
Chi Liu
Hanyang Wang
Cheng Xu
Yiwu HU
Xuefei Zhang
Yibo Chen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
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 Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of EP3188313A1 publication Critical patent/EP3188313A1/en
Publication of EP3188313A4 publication Critical patent/EP3188313A4/en
Application granted granted Critical
Publication of EP3188313B1 publication Critical patent/EP3188313B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/42—Resonant antennas with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength
    • 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
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
    • H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
    • H01Q5/364—Creating multiple current paths
    • 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
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0442—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular tuning means
    • 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

Definitions

  • the present invention relates to the field of mobile communications technologies, and in particular, to a multiband antenna and a communications terminal.
  • an antenna in a communications terminal is mostly an inverted F antenna (IFA) or a ring antenna.
  • IFA inverted F antenna
  • a conventional IFA or ring antenna made from a fine conducting wire supports few working frequency bands, while an operator requires the communications terminal to support as many frequency bands as possible, so that the communications terminal can work at different communication frequency bands.
  • One solution is to increase a quantity of antennas in the communications terminal, so as to support multiple frequency bands. However, this increases a size of the communications terminal, which departs from a miniaturization trend of the communications terminal.
  • US 2011/0128200A1 refers to an antenna including a first arm whose one end is connected to a feeding unit, a second arm whose one end is connected to the first arm at a position that is away from the one end of the first arm and whose other end is connected to ground, and a variable impedance unit whose impedance is variable, provided between the ground and the other end of the first arm.
  • US 2008/0111745A1 refers to an antenna having a ground plane having an edge and a first antenna element extending substantially parallel to the edge is disclosed.
  • a ground element electrically connects the first antenna element with the ground plane.
  • a second antenna element extends substantially parallel to the first antenna element and is disposed between the edge and the first antenna element and is connected at one end of the second antenna element to the first antenna element with the remaining end of the second antenna element located closer to the ground element.;
  • a third antenna element is disposed so that the first antenna element is between the second antenna element and the third antenna element and the third antenna element at extends substantially parallel to the first antenna element, with a rear end electrically connected with the first antenna element and a remaining end of the third antenna element is electrically open.
  • US 2007/0249313A1 refers to a multi-band antenna adapted to operate in a first frequency band and a second frequency band which is higher than the first frequency band.
  • a first antenna element is adapted to operate in the first frequency band, and has a first end which is electrically connected to the power feeding point and a second end which is electrically made open.
  • a second antenna element is adapted to operate in the second frequency band, and has a third end which is electrically connected to the power feeding point and a fourth end which is electrically connected to the ground conductor.
  • An electrical length of the first antenna element is set to 1/2 wavelength of the second frequency band, and an electrical length of the second antenna element is set to 1/4 wavelength of the first frequency band.
  • US 2006/0152419A1 refers to a radio apparatus usable in a frequency band of use comprising a feeder circuit, a first antenna element and a second antenna element.
  • the first antenna element having a first end connected to the feeder circuit and a grounded second end includes a forward path and a backward path short-circuiting to each other at a shorting bridge, and is a half wavelength long of a first frequency in the band of use. The distance between the first end and the second end is no greater than one-tenth wavelength of the first frequency.
  • the second antenna element begins with the first end, shares a part of the forward path with the first antenna element, diverges from the forward path at a diverging point before the shorting bridge, comes to an open end and is one-fourth wavelength long of a second frequency in the band of use.
  • US2012/0105292 and US2009/0295652 disclose multiband inverted-F antennas having two grounding points wherein the grounding paths are used for matching of the respective low bands.
  • embodiments of the present invention provide a multiband antenna and a communications terminal, so as to enable the communications terminal to operate at multiple frequency bands without increasing a quantity of antennas.
  • a communications terminal comprising a multiband antenna, a printed circuit board, a baseband circuit and a radio frequency transceiver circuit
  • the printed circuit board comprises a conductive area and a non-conductive area
  • the conductive area serves as a part of a reference ground of the communications terminal
  • the antenna is disposed in the non-conductive area
  • the baseband circuit is connected to the radio frequency transceiver circuit and the radio frequency transceiver circuit is connected to a feed point of the antenna and the baseband circuit and the radio frequency transceiver circuit are both disposed in the conductive area
  • the antenna comprises:
  • the high-frequency radiator comprises a first branch from the feed point to a first node, a second branch extending from the first node to a second node, and a third branch extending from the second node to the ground point, wherein a length of the second branch is greater than that of the first branch and that of the third branch.
  • the low-frequency radiator comprises a fourth branch starting from the feed point and extending along the first branch to a third node, a fifth branch extending from the third node to a fourth node, a sixth branch extending from the fourth node to a fifth node, and a seventh branch extending from the fifth node to a sixth node.
  • the second, the fifth, and the seventh branches share a same plane; the first, the third, the fourth, and the sixth branches share a same plane; the branches are connected to each other by using a rotation corner.
  • the rotation corner is a right angle.
  • a low-frequency radiator and a high-frequency radiator share a part of routing, and an electrical length between two ends of the high-frequency radiator is half of a wavelength of a high frequency band, so that the communications terminal is enabled to support multiple working frequency bands without increasing a quantity of antennas.
  • a communications terminal can support wireless communication at multiple wireless communication frequency bands, and the communications terminal may include one or more antennas.
  • the antenna is constituted by a molded metal sheet or another metal structure, or may be constituted by a conductive track, such as a metal track on a base board.
  • the base board may be a plastic structure or another dielectric structure, for example, a rigid printed circuit board (PCB) base board that is filled with fiberglass, epoxy substrate, or the like, and a base board that is made from polyimide or other flexible printed circuits.
  • a housing of the communications terminal may be constituted by a conductive structure, such as stainless steel and aluminum, or constituted by a dielectric material, such as glass, plastic, and ceramic.
  • a housing of the conductive structure includes a gap or a dielectric area, so that a radio frequency signal can pass through the gap or the dielectric area, where the gap or the dielectric area may be located in a border between a display and the housing.
  • the communications terminal may be set to supporting any relevant communication frequency band, for example, supporting local area network communication, data communication, voice communication, Bluetooth communication, Near Field Communication (NFC), and the like.
  • any relevant communication frequency band for example, supporting local area network communication, data communication, voice communication, Bluetooth communication, Near Field Communication (NFC), and the like.
  • the communications terminal may include a control circuit, such as a processor and a memory, and specifically, may further include a hard disk, a nonvolatile memory, a volatile memory, and the like.
  • the control circuit may be based on one or more microprocessors, microcontrollers, digital signal processors, baseband processors, audio coder/decoder chips, application-specific integrated circuits, power management units, and the like.
  • the communications terminal includes one or more radio frequency transceivers constituted by an integrated circuit, power amplifiers, low noise input amplifiers, passive radio frequency components, circuits, and another circuit that is used to process a radio frequency signal.
  • a radio frequency transceiver circuit may include a transceiver circuit used to process 2.4 GHz Bluetooth communication, a transceiver circuit used to process 2.4 GHz and 5 GHz WiFi communication, or a language communication circuit suitable for processing 700 MHz to about 2700 MHz communication.
  • a filter circuit, a match circuit, and the like may be included between the radio frequency transceiver circuit and the antenna.
  • the filter circuit may be a band-stop filter circuit, which is configured to present a passband feature at a corresponding working frequency band and is set to a stopband at a frequency band other than the working frequency band.
  • the match circuit may include a fixed capacitor, a fixed inductor, and the like, or may include an adjustable capacitor, an adjustable inductor, and the like, and is configured to tune the antenna, so as to maximize radiation efficiency of the antenna.
  • the antenna provided in the embodiments of the present invention is disposed at the top or the bottom of the communications terminal, so as to help reduce interference with antenna radiation performance when the communications terminal is held in a hand. It may be understandable that, the antenna provided in the embodiments of the present invention may be disposed in another position of the communications terminal.
  • FIG. 1 shows a schematic structural diagram of an antenna according to a first example helpful for the understanding of the present invention.
  • An antenna 100 includes: a feed point 101, a ground point 102, a high-frequency radiator 103 working at a high frequency band, and a low-frequency radiator 104 working at a low frequency band, where one end of the high-frequency radiator 103 is electrically connected to the feed point 101, the other end of the high-frequency radiator 103 is electrically connected to the ground point 102, and an electrical length between the two ends (from 101 to 102, as shown in the figure) of the high-frequency radiator 103 is half of a wavelength of the high frequency band; the high-frequency radiator 103 is connected, in a first position a, to the low-frequency radiator 104, and a length from the first position a to the feed point 101 is less than a length from the first position a to the ground point 102.
  • the high-frequency radiator 103 and the low-frequency radiator 104 are both presented by a line type. However, it is understandable that, the high-frequency radiator 103 or the low-frequency radiator 104 may have a length and a width. In addition, for ease of graphical presentation, the high-frequency radiator 103 and the low-frequency radiator 104 may be presented by a plane. It is understandable that, the high-frequency radiator 103 and the low-frequency radiator 104 may share a same plane or may be on different planes.
  • a low-frequency radiator and a high-frequency radiator share a part of routing, and an electrical length between two ends of the high-frequency radiator is half of a wavelength of a high frequency band, so that a communications terminal is enabled to operate at multiple frequency bands without increasing a quantity of antennas.
  • the antenna 100 shown in FIG. 1 may be disposed on a PCB 105, where the PCB 105 is provided with a conductive area (shaded area 106) and a non-conductive area 107, and the conductive area 106 may serve as a part of a reference ground of the communications terminal (not shown in the figure).
  • the antenna 100 includes antenna radiators disposed in the non-conductive area 107, including the high-frequency radiator 103 and the low-frequency radiator 104.
  • the high-frequency radiator 103 or the low-frequency radiator 104 is constituted by a molded metal sheet or another metal structure, or may be constituted by a conductive track, such as a metal track on a base board.
  • the feed point 101 is connected to a radio frequency transceiver circuit 108.
  • a signal of a baseband circuit 109 such as a processor is transmitted to the radio frequency transceiver circuit 108
  • the signal is transmitted to the antenna 100 through the feed point 101, and is radiated to free space through the antenna 100.
  • a signal in the free space is captured by the antenna 100, the signal is transmitted to the radio frequency transceiver circuit 108 through the feed point 101.
  • the ground point 102 is electrically connected to the reference ground (the shaded area 106 shown in the figure) in the communications terminal.
  • the reference ground is located in a printed circuit board or a copper-clad area on an antenna bracket, and this embodiment of the present invention sets no limitation on a form of the copper-clad area.
  • the antenna 100 is disposed on a base board whose dielectric constant is greater, the physical length between the feed point 101 and the ground point 102 may be further shorter, while an electrical length between the feed point 101 and the ground point 102 is half of the wavelength of the high frequency band.
  • a length of the high-frequency radiator 103 may be further shorter, while the electrical length between the feed point 101 and the ground point 103 is half of the wavelength of the high frequency band.
  • the low-frequency radiator 104 and the high-frequency radiator 103 share a part of routing, and a position in which the low-frequency radiator 104 is connected to the high-frequency radiator 103 is close to the feed point 101.
  • a length of the low-frequency radiator is a quarter or a half of a wavelength of the low frequency band.
  • the low frequency band is set to 698MHz-960MHz, and the high frequency band is set to 1710 MHz-2690 MHz. It is understandable that, on the low-frequency radiator, a multiplied frequency band of the low frequency band, that is, a low-frequency high-order mode may occur; for example, the multiplied frequency band of the low-frequency band may be about 1550 MHz-1650 MHz.
  • FIG. 3 is a schematic diagram of standing wave ratio simulation of the antenna shown in Fig. 1 .
  • the low frequency band is f1, the high frequency band is f2, and the multiplied frequency band of the low frequency band is f3.
  • the low frequency band is f1, the high frequency band is f3, and the multiplied frequency band of the low frequency band is f2.
  • the multiplied frequency band of the low frequency band described herein refers to the low-frequency high-order mode. It may be learned by referring to FIG. 1 and FIG. 3 that, the antenna 100 is provided with specific working bandwidth at multiple frequency bands, which therefore increases total bandwidth of the antenna 100.
  • a length of a ground route is increased, the electrical length between the feed point 101 and the ground point 102 is set to half of the wavelength of the high frequency band, so that the ground route is mainly used to generate resonance of the high frequency band.
  • FIG. 4 shows a schematic structural diagram of an antenna according to a second example helpful for the understanding of the present invention.
  • the antenna shown in the figure includes a feed point 101, a ground point 102, a high-frequency radiation branch 103, and a low-frequency radiation branch 104, where the high-frequency radiator 103 is connected, in a first position a, to the low-frequency radiator 104, and a length from the first position a to the feed point 101 is less than a length from the first position a to the ground point 102.
  • the high-frequency radiator includes a first branch from the feed point 101 to the first position (hereinafter referred to as first node) a, a second branch extending from the first node a to a second node b, and a third branch extending from the second node b to the ground point 103, where a length of the second branch is greater than that of the first branch and that of the third branch.
  • the low-frequency radiator 104 includes a fourth branch starting from the feed point 101 and extending along the first branch to a third node c, a fifth branch extending from the third node c to a fourth node d, a sixth branch extending from the fourth node d to a fifth node e, and a seventh branch extending from the fifth node e to a sixth node f.
  • the second, the fifth, and the seventh branches share a same plane; the first, the third, the fourth, and the sixth branches share a same plane; optionally, the branches are connected to each other by using a rotation corner, where optionally, the rotation corner is a right angle.
  • the high-frequency radiator 103 extends from the feed point 101 to the node a and then bends up to 90° and extends to the node b, and further bends up to 90° at the node b to the ground point 102, forming "]"-shape routing.
  • a longest segment of routing of the high-frequency radiator is routing between the nodes a and b.
  • the low-frequency radiator 104 may further be bent after passing the node f, to form snakelike routing.
  • FIG. 5 shows a schematic structural diagram of an antenna according to an Embodiment of the present invention.
  • the antenna includes: a feed point 101, a ground point 102, a high-frequency radiator 103 working at a high frequency band, and a low-frequency radiator 104 working at a low frequency band, where one end of the high-frequency radiator 103 is electrically connected to the feed point 101, the other end of the high-frequency radiator 103 is electrically connected to the ground point 102, and an electrical length between the two ends (from 101 to 102, as shown in the figure) of the high-frequency radiator 103 is half of a wavelength of the high frequency band; the high-frequency radiator 103 is connected, in a first position a, to the low-frequency radiator 104, and a length from the first position a to the feed point 101 is less than a length from the first position a to the ground point 102.
  • the antenna further includes a ring radiator 111, where one end of the ring radiator 111 is connected to a ground 110 and the other end is connected to the feed point 101; a part of routing of the ring radiator 111 overlaps with a part (a part from the feed point 101 to the first position a) of routing of the high-frequency radiator 103; a length of the ring radiator 111 may be half of a wavelength of a resonance frequency, so as to excite a high-frequency mode. Multiple similar ring radiators may be disposed as required. In modifications not falling under the scope of the appended claims, the length of the ring radiator 111 may alternatively be less than a quarter of a wavelength of a specific frequency to serve as a match inductor.
  • FIG. 6 shows a schematic structural diagram of an antenna according to a third example helpful for the understanding of the present invention.
  • a low-frequency radiator 104 of the antenna is similar to those in the embodiments shown in FIG. 4 and FIG. 5 , which is not described herein again. It is understandable that, the low-frequency radiator 104 may be in another form.
  • a high-frequency radiator 103 includes a first branch from a feed point to a node a, a second branch from the node a to a node b, a third branch from the node b to a node c, a fourth branch from the node c to a node d, and a fifth branch from the node d to a ground point 102, where a total length from the feed point to the ground point is half of a wavelength of a high frequency band at which the high-frequency radiator 103 works; the branches are connected by using a rotation corner; optionally, the rotation corner is a right angle.
  • the high-frequency radiator 103 is compressed into a smaller size, thereby further reducing the size of the antenna.
  • the number of bending times, a bending shape, and a length of each segment of routing may be set differently according to a requirement, so as to further reduce the size of the antenna.
  • FIG. 7 shows a schematic structural diagram of an antenna according to a fourth example helpful for the understanding of the present invention. Antenna routing shown in FIG. 7 is similar to that in FIG. 4 , which is not described herein again. A difference lies in that the antenna includes an adjustable capacitor 112, where one end of the adjustable capacitor 112 is connected to a high-frequency radiator 103, and the other end of the adjustable capacitor 112 is grounded; it may be understandable that, one end of the adjustable capacitor 112 may be connected to a low-frequency radiator 104 and the other end is grounded.
  • the adjustable component may further be disposed on the high-frequency radiator 103 (as shown in FIG. 8 and FIG. 9 ) or the low-frequency radiator 104 according to a requirement. Specifically, a position of the adjustable component on the antenna, a size of the adjustable capacitor, and the like may all be set according to a requirement.
  • the antenna may further be connected to a match component in series, or the antenna may further be grounded by using a match component, where the match component includes a switch, a capacitor of a fixed value, an inductor of a fixed value, a filter component of a fixed value, and the like, which is not limited in this embodiment of the present invention.
  • a low-frequency radiator and a high-frequency radiator share a part of routing, and an electrical length between two ends of the high-frequency radiator is half of a wavelength of a high frequency band, so that working frequency bands supported by a communications terminal are increased without increasing a quantity of antennas.
  • FIG. 2 shows a schematic structural diagram of a communications terminal, where the communications terminal may include the antenna 100 described in the foregoing disclosure, and further includes a printed circuit board 105.
  • the printed circuit board 105 includes a conductive area 106 and a non-conductive area 107, where the conductive area 106 serves as a part of a reference ground of the communications terminal.
  • the antenna 100 is disposed in the non-conductive area 107.

Landscapes

  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)
EP14902346.7A 2014-09-25 2014-09-25 Multi-band antenna and communication terminal Active EP3188313B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2014/087420 WO2016045046A1 (zh) 2014-09-25 2014-09-25 多频段天线和通信终端

Publications (3)

Publication Number Publication Date
EP3188313A1 EP3188313A1 (en) 2017-07-05
EP3188313A4 EP3188313A4 (en) 2017-09-06
EP3188313B1 true EP3188313B1 (en) 2018-11-21

Family

ID=55580094

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14902346.7A Active EP3188313B1 (en) 2014-09-25 2014-09-25 Multi-band antenna and communication terminal

Country Status (4)

Country Link
EP (1) EP3188313B1 (zh)
JP (1) JP2017532886A (zh)
CN (1) CN105917527B (zh)
WO (1) WO2016045046A1 (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108259075A (zh) * 2016-12-28 2018-07-06 北京维特创世科技发展有限公司 一种无线中继装置
CN108832300A (zh) * 2018-06-25 2018-11-16 英华达（上海）科技有限公司 天线装置
JP2020053809A (ja) * 2018-09-26 2020-04-02 富士通株式会社 アンテナ装置、アンテナ設計装置、アンテナ設計プログラム、及びアンテナ設計方法
CN111029729A (zh) * 2019-12-24 2020-04-17 西安易朴通讯技术有限公司 天线组件及电子设备
DK3893329T3 (da) * 2020-04-09 2023-10-30 Viessmann Climate Solutions Se Antenne til afsendelse og/eller modtagelse af elektromagnetiske signaler
CN113745832B (zh) * 2020-05-29 2023-04-07 华为技术有限公司 天线和电子设备
CN112216977A (zh) * 2020-09-29 2021-01-12 昆山亿趣信息技术研究院有限公司 一种手机天线及手机
CN114552173B (zh) * 2020-11-25 2024-05-14 北京小米移动软件有限公司 天线结构和电子设备
CN112531321B (zh) * 2020-11-27 2022-05-06 捷开通讯(深圳)有限公司 天线组件及移动终端
CN115411503B (zh) * 2021-05-27 2024-03-08 Oppo广东移动通信有限公司 天线装置及电子设备

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090295652A1 (en) * 2008-05-29 2009-12-03 Casio Computer Co., Ltd. Planar antenna and electronic device
US20120105292A1 (en) * 2010-10-27 2012-05-03 Acer Incorporated Communication Device and Antenna Thereof

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4432254B2 (ja) * 2000-11-20 2010-03-17 株式会社村田製作所 表面実装型アンテナ構造およびそれを備えた通信機
US6664931B1 (en) * 2002-07-23 2003-12-16 Motorola, Inc. Multi-frequency slot antenna apparatus
TWI237419B (en) * 2003-11-13 2005-08-01 Hitachi Ltd Antenna, method for manufacturing the same and portable radio terminal employing it
US7307591B2 (en) * 2004-07-20 2007-12-11 Nokia Corporation Multi-band antenna
JP3775795B1 (ja) * 2005-01-11 2006-05-17 株式会社東芝 無線装置
JP2007288649A (ja) * 2006-04-19 2007-11-01 Yokowo Co Ltd 複数周波数帯用アンテナ
JP2008124617A (ja) * 2006-11-09 2008-05-29 Tyco Electronics Amp Kk アンテナ
CN101202378A (zh) * 2006-12-15 2008-06-18 英业达股份有限公司 双频单极天线
CN201374380Y (zh) * 2007-12-29 2009-12-30 苹果公司 用于手持电子设备的天线
JP5531582B2 (ja) * 2009-11-27 2014-06-25 富士通株式会社 アンテナおよび無線通信装置
TWI448001B (zh) * 2010-12-01 2014-08-01 Quanta Comp Inc Multi - frequency antenna
US9246221B2 (en) * 2011-03-07 2016-01-26 Apple Inc. Tunable loop antennas
CN103682582B (zh) * 2012-09-20 2016-04-20 启碁科技股份有限公司 双频天线
JP5708897B2 (ja) * 2012-12-21 2015-04-30 株式会社村田製作所 アンテナ装置および電子機器
CN103534873B (zh) * 2013-01-16 2015-06-17 华为终端有限公司 多频天线馈电匹配装置、多频天线及无线通信设备
CN203351757U (zh) * 2013-07-10 2013-12-18 雷凌科技股份有限公司 双频天线

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090295652A1 (en) * 2008-05-29 2009-12-03 Casio Computer Co., Ltd. Planar antenna and electronic device
US20120105292A1 (en) * 2010-10-27 2012-05-03 Acer Incorporated Communication Device and Antenna Thereof

Also Published As

Publication number Publication date
CN105917527B (zh) 2019-05-10
JP2017532886A (ja) 2017-11-02
WO2016045046A1 (zh) 2016-03-31
EP3188313A4 (en) 2017-09-06
CN105917527A (zh) 2016-08-31
EP3188313A1 (en) 2017-07-05

Similar Documents

Publication Publication Date Title
EP3188313B1 (en) Multi-band antenna and communication terminal
US10355341B2 (en) Mobile device and antenna structure
CN109962331B (zh) 移动装置
TWI425713B (zh) 諧振產生之三頻段天線
US10236558B2 (en) LTE full-band cellphone antenna structure
US20150263430A1 (en) Antenna structure
US20120105292A1 (en) Communication Device and Antenna Thereof
US20110102272A1 (en) Mobile Communication Device and Antenna Thereof
TW201338269A (zh) 可調式槽孔天線
TW201433000A (zh) 天線組件及具有該天線組件的無線通訊裝置
TWI594504B (zh) 無線通訊裝置
US9577316B2 (en) Antenna with a combined bandpass/bandstop filter network
JP6775161B2 (ja) アンテナ装置
TW201511411A (zh) 通訊裝置
US20150002351A1 (en) Slot antenna with a combined bandpass/bandstop filter network
CN112864608B (zh) 天线结构
EP3828996B1 (en) Antenna apparatus and terminal
TWI566473B (zh) 寬頻天線及具有該寬頻天線的可攜帶型電子裝置
JP2012169805A (ja) マルチバンドアンテナ
TWI530025B (zh) 可攜式電子裝置之多頻天線
US20080129611A1 (en) Antenna module and electronic device using the same
TWI569510B (zh) 可調式ｌｔｅ／ｗｗａｎ天線裝置
US11342670B1 (en) Antenna structure
TW201924146A (zh) 天線結構及具有該天線結構之無線通訊裝置
CN115706316A (zh) 天线结构

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20170330

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

A4 Supplementary search report drawn up and despatched

Effective date: 20170808

RIC1 Information provided on ipc code assigned before grant

Ipc: H01Q 9/42 20060101ALI20170802BHEP

Ipc: H01Q 5/364 20150101ALI20170802BHEP

Ipc: H01Q 1/24 20060101ALN20170802BHEP

Ipc: H01Q 9/04 20060101AFI20170802BHEP

DAX Request for extension of the european patent (deleted)
REG Reference to a national code

Ref country code: DE

Ref legal event code: R079

Ref document number: 602014036758

Country of ref document: DE

Free format text: PREVIOUS MAIN CLASS: H01Q0021000000

Ipc: H01Q0009040000

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

RIC1 Information provided on ipc code assigned before grant

Ipc: H01Q 9/04 20060101AFI20180601BHEP

Ipc: H01Q 9/42 20060101ALI20180601BHEP

Ipc: H01Q 5/364 20150101ALI20180601BHEP

Ipc: H01Q 1/24 20060101ALN20180601BHEP

INTG Intention to grant announced

Effective date: 20180618

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602014036758

Country of ref document: DE

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1068629

Country of ref document: AT

Kind code of ref document: T

Effective date: 20181215

REG Reference to a national code

Ref country code: NL

Ref legal event code: FP

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 1068629

Country of ref document: AT

Kind code of ref document: T

Effective date: 20181121

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190221

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190221

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190321

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190222

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190321

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602014036758

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20190822

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190925

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190930

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190925

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190930

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20190930

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190930

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

REG Reference to a national code

Ref country code: DE

Ref legal event code: R081

Ref document number: 602014036758

Country of ref document: DE

Owner name: HONOR DEVICE CO., LTD., SHENZHEN, CN

Free format text: FORMER OWNER: HUAWEI TECHNOLOGIES CO., LTD., SHENZHEN, GUANGDONG, CN

REG Reference to a national code

Ref country code: NL

Ref legal event code: PD

Owner name: HONOR DEVICE CO., LTD.; CN

Free format text: DETAILS ASSIGNMENT: CHANGE OF OWNER(S), ASSIGNMENT; FORMER OWNER NAME: HUAWEI TECHNOLOGIES CO., LTD.

Effective date: 20210614

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20140925

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

REG Reference to a national code

Ref country code: GB

Ref legal event code: 732E

Free format text: REGISTERED BETWEEN 20210812 AND 20210818

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20230816

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20230803

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20230808

Year of fee payment: 10

Ref country code: DE

Payment date: 20230802

Year of fee payment: 10