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WO2017095104A2 - Module d'antenne et terminal mobile le comprenant - Google Patents

Module d'antenne et terminal mobile le comprenant Download PDF

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Publication number
WO2017095104A2
WO2017095104A2 PCT/KR2016/013843 KR2016013843W WO2017095104A2 WO 2017095104 A2 WO2017095104 A2 WO 2017095104A2 KR 2016013843 W KR2016013843 W KR 2016013843W WO 2017095104 A2 WO2017095104 A2 WO 2017095104A2
Authority
WO
WIPO (PCT)
Prior art keywords
antenna
antenna pattern
pattern
frequency band
module
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.)
Ceased
Application number
PCT/KR2016/013843
Other languages
English (en)
Korean (ko)
Other versions
WO2017095104A3 (fr
Inventor
성원모
김남일
황이슬
김영태
이경호
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.)
Kespion Co Ltd
Original Assignee
EMW 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 EMW Co Ltd filed Critical EMW Co Ltd
Publication of WO2017095104A2 publication Critical patent/WO2017095104A2/fr
Publication of WO2017095104A3 publication Critical patent/WO2017095104A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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  • Embodiments of the present invention relate to antenna technology.
  • NFC near field communication
  • DMB digital multimedia broadcasting
  • Wi-Fi Wi-Fi
  • payment functions in addition to simple call functions.
  • various antennas such as an NFC antenna and an MST antenna should be provided inside the mobile terminal.
  • the NFC antenna is designed on the outside of the MST antenna to separate the radiation characteristics of the two antennas.
  • a mobile terminal in particular a wearable device such as a smart watch has a limitation in implementing a plurality of antennas by separating the antenna pattern region due to the size and the constraints on the internal space.
  • a plurality of antennas are mounted on the mobile terminal, there is a problem in that interference occurs between each antenna.
  • Embodiments of the present invention are to provide a means for efficiently implementing a plurality of antennas in a mobile terminal having a limited internal space.
  • an antenna module including a first antenna and a second antenna for transmitting and receiving signals of different frequency bands, comprising: a first antenna pattern; A second antenna pattern connected to the first antenna pattern; And the first antenna pattern and the second antenna connected in parallel to the second antenna pattern at a point where the first antenna pattern and the second antenna pattern are connected, according to a frequency band of a signal transmitted and received by the antenna module.
  • An antenna module is provided that includes an operation circuit portion for operating a pattern with the first antenna or for operating the second antenna pattern with the second antenna.
  • the operation circuit unit may operate in an open circuit or a short circuit according to a frequency band of a signal transmitted and received by the antenna module.
  • the operation circuit unit When the frequency band of the signal transmitted and received by the antenna module is a first frequency band, the operation circuit unit operates as the open circuit, and the frequency band of the signal transmitted and received by the antenna module is higher than the first frequency band by a second frequency band. In this case, the operation circuit unit may operate as the short circuit.
  • the point where the first antenna pattern and the second antenna pattern are connected is a point at which the second antenna pattern has an antenna length corresponding to the resonance frequency of the second antenna when the operation circuit part operates in the short circuit. Can be.
  • the operation circuit unit may include at least one of at least one capacitor, at least one inductor, and a combination of the capacitor and the inductor.
  • the first antenna pattern may include a feed terminal connected to a feed unit of a mobile terminal in which the antenna module is mounted.
  • the antenna module may further include a conductive edge structure which is formed on an edge portion of the mobile terminal in which the antenna module is mounted to couple and feed the second antenna pattern.
  • the first antenna pattern and the second antenna pattern may be formed in a loop or spiral shape, and the first antenna pattern may be formed under the second antenna pattern.
  • the antenna module may further include an electromagnetic shielding material provided between the first antenna pattern and the second antenna pattern.
  • the first antenna may be a magnetic secure transmission (MST) antenna
  • the second antenna may be a near field communication (NFC) antenna.
  • MST magnetic secure transmission
  • NFC near field communication
  • a mobile terminal is equipped with an antenna module including a first antenna and a second antenna for transmitting and receiving signals of different frequency bands, the antenna module comprising: a first antenna pattern; A second antenna pattern connected to the first antenna pattern; And the first antenna pattern and the second antenna connected in parallel to the second antenna pattern at a point where the first antenna pattern and the second antenna pattern are connected, according to a frequency band of a signal transmitted and received by the antenna module.
  • a mobile terminal is provided that includes an operating circuit for operating a pattern with the first antenna or for operating the second antenna pattern with the second antenna.
  • the operation circuit unit may operate in an open circuit or a short circuit according to a frequency band of a signal transmitted and received by the antenna module.
  • the operation circuit unit When the frequency band of the signal transmitted and received by the antenna module is a first frequency band, the operation circuit unit operates as the open circuit, and the frequency band of the signal transmitted and received by the antenna module is higher than the first frequency band by a second frequency band. In this case, the operation circuit unit may operate as the short circuit.
  • the point where the first antenna pattern and the second antenna pattern are connected is a point at which the second antenna pattern has an antenna length corresponding to the resonance frequency of the second antenna when the operation circuit part operates in the short circuit. Can be.
  • the operation circuit unit may include at least one of at least one capacitor, at least one inductor, and a combination of the capacitor and the inductor.
  • the first antenna may be a magnetic secure transmission (MST) antenna
  • the second antenna may be a near field communication (NFC) antenna.
  • MST magnetic secure transmission
  • NFC near field communication
  • the size and the inside such as a wearable device, etc.
  • a wearable device By operating the first antenna pattern and the second antenna pattern as the first antenna or the second antenna pattern as the second antenna through the operation circuit portion, the size and the inside, such as a wearable device, etc.
  • a mobile terminal having space constraints it is possible to efficiently transmit and receive signals of multiple bands.
  • the antenna function of the multi-band is facilitated by using the interconnected first antenna pattern and the second antenna pattern (that is, one antenna pattern) without having to separate the plurality of antenna pattern regions.
  • the interference between each antenna can be minimized.
  • FIG. 1 is a perspective view showing an antenna module according to an embodiment of the present invention
  • FIG. 2 is a view illustrating a connection relationship between a first antenna pattern, a second antenna pattern, and an operation circuit unit according to an exemplary embodiment of the present invention.
  • FIG. 3 is a circuit diagram illustrating a first antenna pattern, a second antenna pattern, and an operation circuit unit according to an exemplary embodiment of the present invention.
  • FIG. 4 is a circuit diagram illustrating an operation of a first antenna according to an embodiment of the present invention.
  • FIG. 5 is a circuit diagram illustrating an operation of a second antenna according to an embodiment of the present invention.
  • first and second may be used to describe various components, but the components should not be limited by the terms. The terms may be used for the purpose of distinguishing one component from another component.
  • first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component.
  • FIG. 1 is a perspective view showing an antenna module 100 according to an embodiment of the present invention
  • Figure 2 is a first antenna pattern 102, the second antenna pattern 104 and the operation circuit unit according to an embodiment of the present invention It is a figure for demonstrating the connection relationship of (106).
  • the antenna module 100 is a device for implementing a plurality of antennas operating in different frequency bands and may be mounted in a mobile terminal (not shown).
  • the mobile terminal may be, for example, a wearable device such as a smartphone, a tablet PC, a personal digital assistant (PDA), a smart watch, or the like.
  • the plurality of antennas may be, for example, a first antenna and a second antenna for short range wireless communication.
  • the first antenna may be, for example, a magnetic secure transmission (MST) antenna, and may transmit and receive signals in a 100 to 200 KHz band.
  • the second antenna may be, for example, a NFC (Near Field Communication) antenna, and may transmit and receive signals in the 13.56 MHz band.
  • MST magnetic secure transmission
  • NFC Near Field Communication
  • an antenna module 100 may include a first antenna pattern 102, a second antenna pattern 104, an operation circuit unit 106, a conductive edge structure 108, and electromagnetic waves.
  • the shield 110 is included.
  • the first antenna pattern 102 functions as part of the radiator of the first antenna (eg, MST antenna).
  • the first antenna pattern 102 may be made of a conductive material and may be formed on a flexible printed circuit board (FPCB).
  • the first antenna pattern 102 may be formed in a loop or spiral shape, but the shape of the first antenna pattern 102 is not limited thereto.
  • the first antenna pattern 102 may be positioned below the second antenna pattern 104.
  • the first antenna pattern 102 and the second antenna pattern 104 may be connected to each other.
  • the first antenna pattern 102 may have a spiral shape, and one end of the first antenna pattern 102 may be extended to be connected to the second antenna pattern 104.
  • the second antenna pattern 104 may have a spiral shape like the first antenna pattern 102, and one end of the second antenna pattern 104 may be extended to be connected to the first antenna pattern 102. 1, one end of the first antenna pattern 102 is extended to be connected to the second antenna pattern 104, and one end of the second antenna pattern 104 is extended to form the first antenna pattern 102. It is connected to the form.
  • the first antenna pattern 102 may include a feed end 102a connected to a feed unit (not shown) of the mobile terminal.
  • the feed end 102a of the first antenna pattern 102 may receive a current directly from the feed unit of the mobile terminal.
  • the second antenna pattern 104 connected to the first antenna pattern 102 and the first antenna pattern 102. ) May serve as the radiator of the first antenna.
  • the second antenna pattern 104 functions as part of the radiator of the first antenna (eg, MST antenna) or as the radiator of the second antenna (eg, NFC antenna).
  • the second antenna pattern 104 may be made of a conductive material and may be formed on an FPCB (not shown). Like the first antenna pattern 102, the second antenna pattern 104 may have a loop or spiral shape, but the shape of the second antenna pattern 104 is not limited thereto.
  • the second antenna pattern 104 may be positioned above the first antenna pattern 102.
  • the first antenna pattern 102 and the second antenna pattern 104 may be connected to each other.
  • the first antenna pattern 102 and the second antenna pattern 104 may be connected to each other through a via hole, but a connection method of the first antenna pattern 102 and the second antenna pattern 104 is limited thereto. It is not.
  • the operation circuit unit 106 is connected to a second point at the first point 106a and the second point 106b, which are points at which the first antenna pattern 102 and the second antenna pattern 104 are connected.
  • the antenna pattern 104 may be connected in parallel, and the second antenna pattern 104 may function as a radiator of the first antenna or as a radiator of the second antenna according to the operation of the operation circuit unit 106.
  • the operation circuit 106 operates the first antenna pattern 102 and the second antenna pattern 104 as the first antenna or the second antenna pattern 104 according to the frequency band of the signal transmitted and received by the antenna module 100. Is operated as the second antenna. As described above, the operation circuit unit 106 is the operation circuit unit 106 at the first point (106a) and the second point (106b) that is the point where the first antenna pattern 102 and the second antenna pattern 104 is connected. May be connected in parallel with the second antenna pattern 104.
  • the operation circuit unit 106 may be formed of a passive element such as a capacitor, an inductor, or a combination thereof.
  • the operation circuitry 106 may be comprised of a capacitor having a capacitance of several pico-farads (pF).
  • the operation circuit unit 106 may operate in an open circuit or a short circuit according to a frequency band of a signal transmitted and received by the antenna module 100. Specifically, when the frequency band of the signal transmitted and received by the antenna module 100 is the first frequency band, the operation circuit unit 106 may operate as an open circuit, and the frequency band of the signal transmitted and received by the antenna module 100 may be In the case of the second frequency band higher than the one frequency band, the operation circuit unit 106 may operate as a short circuit.
  • the first frequency band may be an operating frequency band (eg, 100 to 200 KHz band) of the first antenna
  • the second frequency band is an operating frequency band (eg, 13.56 MHz band) of the second antenna. Can be.
  • the capacitor of the above example may be opened, and thus the operation circuit unit 106 may operate as an open circuit.
  • the first antenna pattern 102 and the second antenna pattern 104 form a loop to function as a radiator of the first antenna, and radiate energy by a current applied from the feed end 102a. Can emit.
  • the frequency band of the signal transmitted and received by the antenna module 100 is 13.56 MHz (that is, when the NFC antenna (second antenna) of the antenna module 100 operates), the high frequency band of the signal As a result, the capacitor of the above example may be shorted, and thus the operation circuit 106 may operate as a short circuit.
  • the second antenna pattern 104 and the operation circuit unit 106 form a loop so that the second antenna pattern 104 can function as a radiator of the second antenna.
  • the second antenna pattern 104 may be coupled and fed through the conductive edge structure 108 formed on the edge portion of the mobile terminal.
  • the first point 106a and the second point 106b may cause the second antenna pattern 104 to resonate with the second antenna when the operation circuit unit 106 operates in a short circuit. It may be a point to have an antenna length corresponding to the frequency (that is, the antenna length required to cause resonance at the resonance frequency of the second antenna pattern 104).
  • the conductive edge structure 108 is provided along the edge of the frame case (not shown) of the mobile terminal to serve to enhance the appearance of the mobile terminal.
  • the conductive border structure 108 may be made of a conductive material such as, for example, metal.
  • at least one portion of the conductive frame structure 108 may be segmented, and a portion of the segmented portion may be made of a material having conductivity.
  • the length of the conductive portion of the conductive frame structure 108 may vary depending on the resonant frequency of the second antenna.
  • the conductive edge structure 108 may be made of a conductive material to couple and feed the second antenna pattern 104.
  • the conductive edge structure 108 may be positioned to be close to the second antenna pattern 104 and may couple and feed the second antenna pattern 104.
  • the operation circuit unit 106 operates in a short circuit to form the second antenna pattern 104. May serve as the radiator of the second antenna.
  • the second antenna pattern 104 may be coupled and fed by the conductive edge structure 108 to cause resonance in the resonant frequency band (eg, 13.56 MHz band) of the second antenna.
  • the electromagnetic shielding material 110 shields electromagnetic waves generated from the first antenna or the second antenna.
  • the electromagnetic shielding material 110 may be provided between the first antenna pattern 102 and the second antenna pattern 104 and may be formed to have a size corresponding to the first antenna pattern 102 and the second antenna pattern 104.
  • the electromagnetic wave shield 110 may be, for example, a ferrite sheet or a magnetic metal thin sheet.
  • the ferrite sheet is prepared by mixing the ferrite powder and the binder resin, for example, Mn-Zn ferrite, Ni-Zn-Cu ferrite, Mn-Mg ferrite may be used as the ferrite powder.
  • the metal magnetic thin sheet may be one in which a ribbon or strip of a Fe-based magnetic alloy or a Co-based magnetic alloy is flake-processed into a plurality of fine pieces (or a plurality of cracks are formed).
  • a Fe-based magnetic alloy for example, a Fe-Si-B alloy or a Fe-Si-B-Co alloy can be used
  • the Co-based magnetic alloy for example, a Co-Fe-Ni-Si-B alloy Or Co-Fe-Cr-Si-B alloy may be used, but is not limited thereto.
  • the first antenna pattern 102, the electromagnetic shielding member 110, and the second antenna pattern 104 may be sequentially stacked, and the electromagnetic shielding member 110 may be, for example, a first antenna.
  • the lower surface of the FPCB on which the pattern 102 is formed and the upper surface of the FPCB on which the second antenna pattern 104 is formed may be attached. Accordingly, interference between the first antenna, the second antenna, and other electronic components mounted inside the mobile terminal can be prevented.
  • FIG. 3 is a circuit diagram illustrating a first antenna pattern 102, a second antenna pattern 104, and an operation circuit unit 106 according to an embodiment of the present invention
  • FIGS. 4 and 5 are diagrams illustrating examples of the present invention.
  • FIG. I s a circuit diagram for explaining the operations of the first antenna and the second antenna.
  • the operation circuit unit 106 is connected to the first antenna pattern 102 and the second antenna pattern 104, that is, at the first point 106a and the second point 106b.
  • the second antenna pattern 104 may be connected in parallel.
  • the first point 106a and the second point 106b have an antenna length in which the second antenna pattern 104 corresponds to the resonance frequency of the second antenna when the operation circuit unit 106 operates in a short circuit. (Ie, the antenna length required for the second antenna pattern 104 to cause resonance at the resonance frequency of the second antenna).
  • the operation circuit unit 106 is a capacitor having a capacitance of a predetermined size (for example, 10 pF).
  • the operation circuit unit 106 may be caused by the low frequency band of the first signal.
  • C) is open and thus the operating circuit 106 can operate as an open circuit.
  • the first antenna pattern 102 and the second antenna pattern 104 may operate as the first antenna by forming a loop.
  • the first antenna pattern 102 and the second antenna pattern 104 may be fed from the feed end 102a to radiate radiant energy.
  • the frequency band of the second signal transmitted and received by the antenna module 100 is a second frequency band higher than the first frequency band (for example, 13.56 MHz)
  • the high frequency of the second signal Due to the band the capacitor of the operating circuit unit 106 may be shorted, and thus the operating circuit unit 106 may operate as a short circuit.
  • the second antenna pattern 104 and the operation circuit unit 106 form one loop, the second antenna pattern 104 may operate as the second antenna.
  • the second antenna pattern 104 may be coupled and fed through the conductive edge structure 108.
  • the operation circuit unit 106 may exhibit different operating characteristics according to the operation of the two antennas.
  • the first antenna pattern 102 and the second antenna pattern 104 are used as antennas for MST communication, and then the mobile terminal performs the NFC payment function.
  • the second antenna pattern 104 may be used as an antenna for NFC communication. That is, the mobile terminal according to an embodiment of the present invention may support both a payment method by MST communication and a payment method by NFC communication.
  • the mobile terminal according to an embodiment of the present invention may be a wearable device having a very small internal space such as a smart watch. In this case, a plurality of antennas may be easily implemented through the above-described method.
  • the first antenna pattern 102 and the second antenna pattern 104 are operated as the first antenna or the second antenna pattern 104 is removed through the operation circuit unit 106.
  • the operation circuit unit 106 By operating with two antennas, it is possible to efficiently transmit and receive signals of a multi-band in a mobile terminal having limitations in size and internal space, such as a wearable device. In this case, it is possible to improve the internal space utilization of the mobile terminal, it is possible to reduce the manufacturing cost of the mobile terminal.
  • a plurality of antennas may be formed using the first antenna pattern 102 and the second antenna pattern 104 (that is, one antenna pattern) interconnected without having to separate a plurality of antenna pattern regions. It is possible to easily implement the antenna function of the band and to minimize the interference phenomenon between each antenna.
  • the first antenna and the second antenna have been described as MST antennas and NFC antennas, respectively.
  • the first antenna and the second antenna are sufficient if the difference in operating frequency is several times to several thousand times or more.
  • the above-described antenna module 100 forms a first antenna pattern 102 and a second antenna pattern 104 in one FPCB and then folds them together with the electromagnetic shielding material 110 to laminate them.
  • the first antenna pattern 102 and the second antenna pattern 104 may be formed on each of the FPCBs, and may be manufactured by soldering them in a later process, but the manufacturing method of the antenna module 100 may be It is not limited.

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  • Telephone Set Structure (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Support Of Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Transceivers (AREA)

Abstract

L'invention concerne un module d'antenne et un terminal mobile le comprenant. Un module d'antenne selon un mode de réalisation de la présente invention comprend une première antenne et une seconde antenne pour émettre et recevoir des signaux dans différentes bandes de fréquences. Le module comprend : un premier diagramme d'antenne; un second diagramme d'antenne connecté au premier diagramme d'antenne; et une unité de circuit de commande qui est connecté en parallèle au second diagramme d'antenne à un point où le premier diagramme d'antenne et le second diagramme d'antenne sont connectés, de sorte à faire fonctionner le premier diagramme d'antenne et le second diagramme d'antenne en tant que la première antenne ou à faire fonctionner le second diagramme d'antenne en tant que la seconde antenne selon la bande de fréquences d'un signal transmis ou reçu par le module d'antenne.
PCT/KR2016/013843 2015-12-02 2016-11-29 Module d'antenne et terminal mobile le comprenant Ceased WO2017095104A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2015-0170872 2015-12-02
KR1020150170872A KR101787021B1 (ko) 2015-12-02 2015-12-02 안테나 모듈 및 이를 구비하는 모바일 단말기

Publications (2)

Publication Number Publication Date
WO2017095104A2 true WO2017095104A2 (fr) 2017-06-08
WO2017095104A3 WO2017095104A3 (fr) 2018-03-08

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PCT/KR2016/013843 Ceased WO2017095104A2 (fr) 2015-12-02 2016-11-29 Module d'antenne et terminal mobile le comprenant

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KR (1) KR101787021B1 (fr)
WO (1) WO2017095104A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110504524A (zh) * 2019-09-04 2019-11-26 Oppo广东移动通信有限公司 用于移动终端的nfc天线和nfc通信装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102613445B1 (ko) * 2022-01-03 2023-12-13 한솔테크닉스(주) 휴대용 전자기기의 안테나 유닛
KR102787886B1 (ko) * 2024-01-18 2025-03-31 한국남동발전 주식회사 Uhf 센서용 안테나 모듈

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Publication number Priority date Publication date Assignee Title
KR20130081620A (ko) * 2012-01-09 2013-07-17 주식회사 케이더파워 무선 충전 시스템용 수신기
JP5937269B2 (ja) * 2012-03-30 2016-06-22 インテル コーポレイション 無線アンテナを内蔵する近距離無線通信（ｎｆｃ）コイル
KR101580518B1 (ko) * 2012-04-05 2015-12-28 엘지전자 주식회사 안테나 및 이를 구비한 이동 단말기
JP5991269B2 (ja) * 2012-12-13 2016-09-14 株式会社デンソー ループアンテナ
KR101548277B1 (ko) * 2015-04-28 2015-08-28 주식회사 아모센스 무선 충전 및 nfc용 안테나 장치

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110504524A (zh) * 2019-09-04 2019-11-26 Oppo广东移动通信有限公司 用于移动终端的nfc天线和nfc通信装置
CN110504524B (zh) * 2019-09-04 2025-01-24 Oppo广东移动通信有限公司 用于移动终端的nfc天线和nfc通信装置

Also Published As

Publication number Publication date
KR101787021B1 (ko) 2017-10-17
WO2017095104A3 (fr) 2018-03-08
KR20170064869A (ko) 2017-06-12

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