KR20180050279A - 자기장 결합을 이용한 무선 전원 전송을 위한 단일 계층 다중 모드 안테나 - Google Patents

자기장 결합을 이용한 무선 전원 전송을 위한 단일 계층 다중 모드 안테나 Download PDF

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Publication number
KR20180050279A
KR20180050279A KR1020187003572A KR20187003572A KR20180050279A KR 20180050279 A KR20180050279 A KR 20180050279A KR 1020187003572 A KR1020187003572 A KR 1020187003572A KR 20187003572 A KR20187003572 A KR 20187003572A KR 20180050279 A KR20180050279 A KR 20180050279A
Authority
KR
South Korea
Prior art keywords
coil
antenna
terminal
electrically connected
coils
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
KR1020187003572A
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English (en)
Korean (ko)
Inventor
알베르토 페랄타
빈트 싱
아지트 라자고팔란
제이슨 루신스키
야곱 배브콕
야곱 배브콕
크리스틴 에이. 프리츠
Original Assignee
누커런트, 인코포레이티드
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
Priority claimed from US14/821,157 external-priority patent/US10063100B2/en
Priority claimed from US14/821,236 external-priority patent/US10636563B2/en
Priority claimed from US14/821,177 external-priority patent/US10658847B2/en
Priority claimed from US14/821,253 external-priority patent/US9941743B2/en
Priority claimed from US14/821,220 external-priority patent/US9960629B2/en
Priority claimed from US14/821,090 external-priority patent/US9948129B2/en
Priority claimed from US14/821,268 external-priority patent/US11205848B2/en
Priority claimed from US14/821,122 external-priority patent/US9960628B2/en
Priority claimed from US14/821,065 external-priority patent/US9941729B2/en
Priority claimed from US14/821,140 external-priority patent/US9941590B2/en
Application filed by 누커런트, 인코포레이티드 filed Critical 누커런트, 인코포레이티드
Publication of KR20180050279A publication Critical patent/KR20180050279A/ko
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H01Q7/06—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F21/00—Variable inductances or transformers of the signal type
    • H01F21/12—Variable inductances or transformers of the signal type discontinuously variable, e.g. tapped
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2804—Printed windings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2871—Pancake coils
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/29—Terminals; Tapping arrangements for signal inductances
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/38—Auxiliary core members; Auxiliary coils or windings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/14—Inductive couplings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F5/02—Coils wound on non-magnetic supports, e.g. formers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/10—Resonant antennas
    • H01Q5/15—Resonant antennas for operation of centre-fed antennas comprising one or more collinear, substantially straight or elongated active elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/26—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength
    • H01Q9/27—Spiral antennas
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/005—Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Details Of Aerials (AREA)
  • Coils Of Transformers For General Uses (AREA)
  • Near-Field Transmission Systems (AREA)
KR1020187003572A 2015-08-07 2016-08-04 자기장 결합을 이용한 무선 전원 전송을 위한 단일 계층 다중 모드 안테나 Ceased KR20180050279A (ko)

Applications Claiming Priority (21)

Application Number Priority Date Filing Date Title
US14/821,236 US10636563B2 (en) 2015-08-07 2015-08-07 Method of fabricating a single structure multi mode antenna for wireless power transmission using magnetic field coupling
US14/821,177 US10658847B2 (en) 2015-08-07 2015-08-07 Method of providing a single structure multi mode antenna for wireless power transmission using magnetic field coupling
US14/821,253 US9941743B2 (en) 2015-08-07 2015-08-07 Single structure multi mode antenna having a unitary body construction for wireless power transmission using magnetic field coupling
US14/821,253 2015-08-07
US14/821,220 US9960629B2 (en) 2015-08-07 2015-08-07 Method of operating a single structure multi mode antenna for wireless power transmission using magnetic field coupling
US14/821,157 US10063100B2 (en) 2015-08-07 2015-08-07 Electrical system incorporating a single structure multimode antenna for wireless power transmission using magnetic field coupling
US14/821,268 2015-08-07
US14/821,140 2015-08-07
US14/821,236 2015-08-07
US14/821,220 2015-08-07
US14/821,090 US9948129B2 (en) 2015-08-07 2015-08-07 Single structure multi mode antenna for wireless power transmission using magnetic field coupling having an internal switch circuit
US14/821,268 US11205848B2 (en) 2015-08-07 2015-08-07 Method of providing a single structure multi mode antenna having a unitary body construction for wireless power transmission using magnetic field coupling
US14/821,090 2015-08-07
US14/821,157 2015-08-07
US14/821,122 US9960628B2 (en) 2015-08-07 2015-08-07 Single structure multi mode antenna having a single layer structure with coils on opposing sides for wireless power transmission using magnetic field coupling
US14/821,065 2015-08-07
US14/821,122 2015-08-07
US14/821,177 2015-08-07
US14/821,065 US9941729B2 (en) 2015-08-07 2015-08-07 Single layer multi mode antenna for wireless power transmission using magnetic field coupling
US14/821,140 US9941590B2 (en) 2015-08-07 2015-08-07 Single structure multi mode antenna for wireless power transmission using magnetic field coupling having magnetic shielding
PCT/US2016/045588 WO2017027326A1 (en) 2015-08-07 2016-08-04 Single layer multi mode antenna for wireless power transmission using magnetic field coupling

Publications (1)

Publication Number Publication Date
KR20180050279A true KR20180050279A (ko) 2018-05-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020187003572A Ceased KR20180050279A (ko) 2015-08-07 2016-08-04 자기장 결합을 이용한 무선 전원 전송을 위한 단일 계층 다중 모드 안테나

Country Status (5)

Country Link
EP (2) EP3332409A4 (enExample)
JP (2) JP6937741B2 (enExample)
KR (1) KR20180050279A (enExample)
CN (2) CN111681847B (enExample)
WO (1) WO2017027326A1 (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210249188A1 (en) * 2020-02-07 2021-08-12 Samsung Electronics Co., Ltd. Wireless charging coil and electronic device including the same
WO2021162261A1 (ko) * 2020-02-13 2021-08-19 주식회사 아모센스 무선 전력 송수신용 안테나 모듈
JP2023517617A (ja) * 2020-03-12 2023-04-26 エルジー イノテック カンパニー リミテッド 手ぶれ補正のためのコイル基板

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102433115B1 (ko) * 2017-10-11 2022-08-17 주식회사 위츠 코일 조립체
KR102484844B1 (ko) * 2017-10-30 2023-01-05 주식회사 위츠 코일 조립체
JP7233893B2 (ja) * 2017-11-21 2023-03-07 台湾東電化股▲ふん▼有限公司 無線装置
CN111712990A (zh) * 2018-02-12 2020-09-25 达信(香港)有限公司 电力传输设备和方法
CN108879989B (zh) * 2018-08-22 2019-12-20 湖南时变通讯科技有限公司 一种移动设备无线充电装置及其发射端
EP3623205B1 (en) * 2018-09-12 2022-01-19 Ningbo Geely Automobile Research & Development Co. Ltd. A device for a wireless power transfer system
KR102535466B1 (ko) * 2018-10-12 2023-05-23 삼성전자 주식회사 무선 충전 코일 및 상기 무선 충전 코일을 포함하는 전자 장치
CN109448949B (zh) * 2018-10-19 2024-07-09 北京全路通信信号研究设计院集团有限公司 一种轨道电路空芯线圈的阻抗调节装置和方法
US12249847B2 (en) 2018-12-31 2025-03-11 3M Innovative Properties Company Wireless power transfer
JP7283127B2 (ja) * 2019-02-27 2023-05-30 Tdk株式会社 コイル部品
CN114128036B (zh) * 2019-05-28 2023-06-09 莫戈公司 分级频率响应非接触式滑环探针
CN110380518B (zh) * 2019-07-08 2021-08-17 浙江大学 一种可用于模块化无线电能传输系统的非对称双极性线圈
CN112449489A (zh) * 2019-08-29 2021-03-05 鹏鼎控股(深圳)股份有限公司 Nfc电路板及其制作方法
CN112688063B (zh) * 2019-10-17 2023-07-25 启碁科技股份有限公司 通信装置和通信方法
US11303011B2 (en) 2019-11-27 2022-04-12 AQ Corporation Smartphone antenna in flexible PCB
US20230091874A1 (en) * 2019-11-27 2023-03-23 AQ Corporation Smartphone antenna in flexible pcb
CN111312491B (zh) * 2020-03-09 2021-08-20 南方科技大学 耦合平面线圈、位移传感器及可穿戴电子产品
WO2022125570A1 (en) * 2020-12-10 2022-06-16 University Of Pittsburgh - Of The Commonwealth System Of Higher Education Miniaturized radio-frequency transceiver in micro medical implant for dual-functional wireless power transfer and data communication
CN113012909A (zh) * 2021-03-01 2021-06-22 安徽安努奇科技有限公司 一种电感器
CN115133674A (zh) * 2021-03-25 2022-09-30 北京小米移动软件有限公司 无线充电接收端及系统、无线充电控制方法及装置
US20240291324A1 (en) * 2021-10-11 2024-08-29 Nippon Telegraph And Telephone Corporation Antenna device, and contactless power transfer system
CN113972468B (zh) * 2021-10-26 2024-12-20 维沃移动通信有限公司 天线和电子设备
CN113992235A (zh) * 2021-10-27 2022-01-28 维沃移动通信有限公司 天线控制方法及相关设备
CN114038644B (zh) * 2021-12-10 2023-07-04 上海工程技术大学 一种通用发送端pcb线圈机构
EP4287069A1 (fr) 2022-06-03 2023-12-06 The Swatch Group Research and Development Ltd Paire de transpondeurs en résonance
CN115133271B (zh) * 2022-08-11 2024-07-19 西南交通大学 一种并联式双环磁耦合通信抗干扰线圈天线
CN115831555A (zh) * 2022-12-16 2023-03-21 深圳顺络电子股份有限公司 叠层片式共模电感及其制作方法

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5734352A (en) * 1992-08-07 1998-03-31 R. A. Miller Industries, Inc. Multiband antenna system
US4016519A (en) * 1976-05-14 1977-04-05 Blaupunkt-Werke Gmbh Printed circuit coils
JP2002134319A (ja) * 2000-10-23 2002-05-10 Alps Electric Co Ltd スパイラルインダクタ
US6856291B2 (en) * 2002-08-15 2005-02-15 University Of Pittsburgh- Of The Commonwealth System Of Higher Education Energy harvesting circuits and associated methods
KR100466542B1 (ko) * 2002-11-13 2005-01-15 한국전자통신연구원 적층형 가변 인덕터
US6943731B2 (en) * 2003-03-31 2005-09-13 Harris Corporation Arangements of microstrip antennas having dielectric substrates including meta-materials
US7489220B2 (en) * 2005-06-20 2009-02-10 Infineon Technologies Ag Integrated circuits with inductors in multiple conductive layers
US7926728B2 (en) * 2007-10-31 2011-04-19 Infineon Technologies Ag Integrated circuit device including a contactless integrated circuit inlay
JP2009117546A (ja) * 2007-11-05 2009-05-28 Asahi Kasei Electronics Co Ltd 平面コイル及びその製造方法
WO2009114671A1 (en) * 2008-03-13 2009-09-17 Access Business Group International Llc Inductive power supply system with multiple coil primary
US8901880B2 (en) * 2008-08-19 2014-12-02 Qualcomm Incorporated Wireless power transmission for portable wireless power charging
US8237257B2 (en) * 2008-09-25 2012-08-07 King Dragon International Inc. Substrate structure with die embedded inside and dual build-up layers over both side surfaces and method of the same
EP4234001A3 (en) * 2009-03-09 2023-10-18 NuCurrent, Inc. System and method for wireless power transfer in implantable medical devices
CN102414957B (zh) * 2010-03-30 2014-12-10 松下电器产业株式会社 无线电力传输系统
US8543190B2 (en) * 2010-07-30 2013-09-24 Medtronic, Inc. Inductive coil device on flexible substrate
JP5608026B2 (ja) * 2010-09-24 2014-10-15 Ｎｅｃトーキン株式会社 非接触電力伝送および通信システム
US9225392B2 (en) * 2011-03-09 2015-12-29 Qualcomm Incorporated Flat power coil for wireless charging applications
KR101859191B1 (ko) * 2011-03-23 2018-05-18 삼성전자주식회사 무선 전력 전송 시스템, 무선 전력 전송 및 수신 제어 방법
TW201316643A (zh) * 2011-10-12 2013-04-16 Tdk Taiwan Corp 近場通訊與無線充電共用的感應模組
JP2013093429A (ja) 2011-10-25 2013-05-16 Tdk Corp 非接触伝送デバイス
WO2013069465A1 (ja) * 2011-11-09 2013-05-16 株式会社村田製作所 アンテナ装置および電子機器
US9432090B2 (en) * 2012-05-08 2016-08-30 Lockheed Martin Corporation Wireless power transmission system
KR20140068391A (ko) * 2012-11-28 2014-06-09 엘지전자 주식회사 자기장의 자유도를 향상하기 위한 코일의 구조
CN204857920U (zh) * 2012-12-07 2015-12-09 株式会社村田制作所 安装结构
KR102008808B1 (ko) * 2012-12-13 2019-10-21 엘지이노텍 주식회사 무선전력 수신장치 및 그의 제어 방법
JP5613268B2 (ja) * 2013-01-10 2014-10-22 昭和電線デバイステクノロジー株式会社 非接触給電システム
JP6306288B2 (ja) * 2013-05-13 2018-04-04 日東電工株式会社 コイルプリント配線基板、受電モジュール、電池ユニットおよび受電通信モジュール
US9490656B2 (en) * 2013-11-25 2016-11-08 A.K. Stamping Company, Inc. Method of making a wireless charging coil
CN104767033B (zh) * 2015-03-26 2016-06-22 上海安费诺永亿通讯电子有限公司 近场通讯或无线充电的天线装置与电子设备

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210249188A1 (en) * 2020-02-07 2021-08-12 Samsung Electronics Co., Ltd. Wireless charging coil and electronic device including the same
US12087500B2 (en) * 2020-02-07 2024-09-10 Samsung Electronics Co., Ltd. Wireless charging coil and electronic device including the same
WO2021162261A1 (ko) * 2020-02-13 2021-08-19 주식회사 아모센스 무선 전력 송수신용 안테나 모듈
KR20210103230A (ko) * 2020-02-13 2021-08-23 주식회사 아모센스 무선 전력 송수신용 안테나 모듈
US12136830B2 (en) 2020-02-13 2024-11-05 Amosense Co., Ltd Antenna module for wireless power transmission and reception
JP2023517617A (ja) * 2020-03-12 2023-04-26 エルジー イノテック カンパニー リミテッド 手ぶれ補正のためのコイル基板

Also Published As

Publication number Publication date
CN111681847B (zh) 2022-07-29
JP6937741B2 (ja) 2021-09-22
JP2018533238A (ja) 2018-11-08
JP2022008313A (ja) 2022-01-13
WO2017027326A1 (en) 2017-02-16
CN108140464A (zh) 2018-06-08
EP3657519A1 (en) 2020-05-27
EP3332409A1 (en) 2018-06-13
EP3332409A4 (en) 2019-06-12
CN111681847A (zh) 2020-09-18
CN108140464B (zh) 2020-07-03

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