CA2697947A1 - Inductive power supply - Google Patents

Inductive power supply Download PDF

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Publication number
CA2697947A1
CA2697947A1 CA2697947A CA2697947A CA2697947A1 CA 2697947 A1 CA2697947 A1 CA 2697947A1 CA 2697947 A CA2697947 A CA 2697947A CA 2697947 A CA2697947 A CA 2697947A CA 2697947 A1 CA2697947 A1 CA 2697947A1
Authority
CA
Canada
Prior art keywords
field generators
secondary device
primary unit
power transfer
field
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.)
Abandoned
Application number
CA2697947A
Other languages
English (en)
French (fr)
Inventor
Julian Andrew John Fells
David Martin Pooley
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.)
Access Business Group International LLC
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2697947A1 publication Critical patent/CA2697947A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
    • H04B5/79—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for data transfer in combination with power transfer
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
    • H04B5/24—Inductive coupling
    • H04B5/26—Inductive coupling using coils
    • 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
    • H01F2038/146—Inductive couplings in combination with capacitive coupling

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
CA2697947A 2007-08-28 2008-08-28 Inductive power supply Abandoned CA2697947A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0716679.6 2007-08-28
GBGB0716679.6A GB0716679D0 (en) 2007-08-28 2007-08-28 Inductive power supply
PCT/GB2008/002906 WO2009027674A1 (en) 2007-08-28 2008-08-28 Inductive power supply

Publications (1)

Publication Number Publication Date
CA2697947A1 true CA2697947A1 (en) 2009-03-05

Family

ID=38599332

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2697947A Abandoned CA2697947A1 (en) 2007-08-28 2008-08-28 Inductive power supply

Country Status (10)

Country Link
US (2) US8587154B2 (enExample)
EP (1) EP2183754A1 (enExample)
JP (1) JP5689682B2 (enExample)
KR (1) KR101492296B1 (enExample)
CN (1) CN101836272B (enExample)
AU (1) AU2008291960B2 (enExample)
CA (1) CA2697947A1 (enExample)
GB (1) GB0716679D0 (enExample)
RU (1) RU2488906C2 (enExample)
WO (1) WO2009027674A1 (enExample)

Families Citing this family (186)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2709860A1 (en) 2007-12-21 2009-07-02 Access Business Group International Llc Inductive power transfer
US8878393B2 (en) * 2008-05-13 2014-11-04 Qualcomm Incorporated Wireless power transfer for vehicles
US9178387B2 (en) * 2008-05-13 2015-11-03 Qualcomm Incorporated Receive antenna for wireless power transfer
WO2010067927A1 (ko) 2008-12-12 2010-06-17 Jung Chun-Kil 평면나선형 코어구조의 피티피에스 코어가 구비된 무접점전력충전스테이션, 무접점전력수신장치 및 그의 제어방법.
US20100201312A1 (en) 2009-02-10 2010-08-12 Qualcomm Incorporated Wireless power transfer for portable enclosures
US8854224B2 (en) * 2009-02-10 2014-10-07 Qualcomm Incorporated Conveying device information relating to wireless charging
US9312924B2 (en) 2009-02-10 2016-04-12 Qualcomm Incorporated Systems and methods relating to multi-dimensional wireless charging
US11476566B2 (en) 2009-03-09 2022-10-18 Nucurrent, Inc. Multi-layer-multi-turn structure for high efficiency wireless communication
DE102009013694A1 (de) * 2009-03-20 2010-09-23 Paul Vahle Gmbh & Co. Kg Energieübertragungssystem mit mehreren Primärspulen
EP2417686A1 (en) * 2009-04-08 2012-02-15 Access Business Group International LLC Selectable coil array
US7847664B2 (en) 2009-05-06 2010-12-07 Verde Power Supply, Inc. Electromagnetic apparatus using shared flux in a multi-load parallel magnetic circuit and method of operation
JP5499534B2 (ja) * 2009-07-07 2014-05-21 ソニー株式会社 非接触受電装置、非接触受電装置における受電方法および非接触給電システム
US10325717B2 (en) 2009-08-07 2019-06-18 Auckland Uniservices Limited Roadway powered electric vehicle system
KR20120056276A (ko) * 2009-12-24 2012-06-01 가부시끼가이샤 도시바 무선 전력 전송 장치
US9561730B2 (en) 2010-04-08 2017-02-07 Qualcomm Incorporated Wireless power transmission in electric vehicles
US10343535B2 (en) 2010-04-08 2019-07-09 Witricity Corporation Wireless power antenna alignment adjustment system for vehicles
WO2011135722A1 (ja) * 2010-04-30 2011-11-03 富士通株式会社 受電装置及び受電方法
US20110278957A1 (en) * 2010-05-11 2011-11-17 Searete Llc, A Limited Liability Corporation Of The State Of Delaware Wearable power source
US20110278942A1 (en) * 2010-05-11 2011-11-17 Searete Llc, A Limited Liability Corporation Of The State Of Delaware Wearable power source carryable by a health care provider
US8841881B2 (en) 2010-06-02 2014-09-23 Bryan Marc Failing Energy transfer with vehicles
US8890470B2 (en) 2010-06-11 2014-11-18 Mojo Mobility, Inc. System for wireless power transfer that supports interoperability, and multi-pole magnets for use therewith
KR20130041987A (ko) * 2010-09-03 2013-04-25 후지쯔 가부시끼가이샤 송전 장치
WO2012036192A1 (ja) 2010-09-16 2012-03-22 Ｎｅｃカシオモバイルコミュニケーションズ株式会社 非接触電力伝送機器
NZ589312A (en) * 2010-11-16 2013-03-28 Powerbyproxi Ltd Battery having inductive power pickup coils disposed within the battery casing and at an angle to the casing axis
EP2858205A1 (en) 2011-04-08 2015-04-08 Access Business Group International LLC Counter wound inductive power supply
JP2013027074A (ja) * 2011-07-15 2013-02-04 Panasonic Corp 非接触給電装置
JP5899490B2 (ja) 2011-07-20 2016-04-06 パナソニックＩｐマネジメント株式会社 非接触給電システム
JP5688546B2 (ja) * 2011-07-25 2015-03-25 パナソニックＩｐマネジメント株式会社 非接触給電システム
WO2013042291A1 (ja) 2011-09-21 2013-03-28 日本電気株式会社 無線給電システム及び無線給電方法
US9577713B2 (en) * 2011-09-29 2017-02-21 Konica Minolta Laboratory U.S.A., Inc. Method and system for aligning conductors for capacitive wireless power transmission
EP2764522B1 (en) * 2011-09-29 2019-01-09 Apple Inc. Wirelessly rechargeable battery and components thereof
US20150295416A1 (en) * 2011-10-07 2015-10-15 Powerbyproxi Limited Transmitter for an inductive power transfer
KR102064473B1 (ko) * 2011-10-28 2020-01-09 오클랜드 유니서비시즈 리미티드 유도 전력 전송을 위한 비페라이트 구조들
KR101349551B1 (ko) 2011-11-02 2014-01-08 엘지이노텍 주식회사 무선 전력 송신 장치 및 그 방법
KR101356623B1 (ko) * 2011-11-10 2014-02-03 주식회사 스파콘 전력전송코일 및 무선 전력전송장치
US9118203B2 (en) 2011-11-15 2015-08-25 Qualcomm Incorporated Systems and methods for induction charging with a closed magnetic loop
CN103138357A (zh) * 2011-11-25 2013-06-05 宏碁股份有限公司 无线充电装置、电子装置、无线充电系统以及充电方法
DE102011090131B4 (de) 2011-12-29 2017-07-20 Conti Temic Microelectronic Gmbh Ladevorrichtung zur Ladung des Energiespeichers eines tragbaren elektrischen Geräts
DE102012000409A1 (de) 2012-01-12 2013-07-18 Phoenix Contact Gmbh & Co. Kg Modulares Datensystem mit induktiver Energieübertragung
DE102012000408A1 (de) * 2012-01-12 2013-07-18 Phoenix Contact Gmbh & Co. Kg Resonante induktive Energieversorgungseinrichtung
US12515541B2 (en) 2012-01-17 2026-01-06 Mojo Mobility Inc. Wireless power transfer
EP2815484B1 (en) * 2012-02-16 2022-11-30 Auckland UniServices Limited Multiple coil flux pad
CN107370249B (zh) * 2012-03-14 2020-06-09 索尼公司 电力发送装置以及非接触电力提供系统
JP5749208B2 (ja) * 2012-03-26 2015-07-15 株式会社東芝 送電装置、受電装置、制御装置および無線電力伝送システム
US9696358B2 (en) 2012-05-02 2017-07-04 Powerbyproxi Limited Method for detecting and identifying a receiver in an inductive power transfer system
KR101341510B1 (ko) * 2012-05-14 2013-12-13 전자부품연구원 무선 전력 전송을 위한 자기 에너지 빔포밍 방법 및 장치
GB2502084A (en) * 2012-05-14 2013-11-20 Bombardier Transp Gmbh Arrangement for providing vehicles with energy comprising magnetisable material
JP2013243431A (ja) * 2012-05-17 2013-12-05 Equos Research Co Ltd アンテナコイル
JP5948676B2 (ja) * 2012-05-18 2016-07-06 パナソニックＩｐマネジメント株式会社 非接触給電システム、非接触給電装置、及び被給電装置
US11502551B2 (en) 2012-07-06 2022-11-15 Energous Corporation Wirelessly charging multiple wireless-power receivers using different subsets of an antenna array to focus energy at different locations
JP5253607B1 (ja) * 2012-07-13 2013-07-31 株式会社日立パワーソリューションズ 無線給電装置及び無線給電システム
US10525181B2 (en) 2012-07-27 2020-01-07 Tc1 Llc Resonant power transfer system and method of estimating system state
US10383990B2 (en) 2012-07-27 2019-08-20 Tc1 Llc Variable capacitor for resonant power transfer systems
US9592397B2 (en) 2012-07-27 2017-03-14 Thoratec Corporation Thermal management for implantable wireless power transfer systems
US10251987B2 (en) 2012-07-27 2019-04-09 Tc1 Llc Resonant power transmission coils and systems
WO2014018972A1 (en) 2012-07-27 2014-01-30 Thoratec Corporation Computer modeling for resonant power transfer systems
WO2014018971A1 (en) 2012-07-27 2014-01-30 Thoratec Corporation Resonant power transfer systems with protective algorithm
WO2014018974A1 (en) * 2012-07-27 2014-01-30 Thoratec Corporation Magnetic power transmission utilizing phased transmitter coil arrays and phased receiver coil arrays
US9287040B2 (en) 2012-07-27 2016-03-15 Thoratec Corporation Self-tuning resonant power transfer systems
JP6053439B2 (ja) 2012-10-05 2016-12-27 キヤノン株式会社 給電装置及びプログラム
DE102012020885A1 (de) * 2012-10-24 2014-04-24 Panasonic Corporation Kontaktloses Leistungsversorgungssystem
CN110098642A (zh) 2012-11-05 2019-08-06 苹果公司 感应耦合电力传输系统
US9831705B2 (en) 2012-12-12 2017-11-28 Qualcomm Incorporated Resolving communcations in a wireless power system with co-located transmitters
US9660478B2 (en) 2012-12-12 2017-05-23 Qualcomm Incorporated System and method for facilitating avoidance of wireless charging cross connection
CN103904943B (zh) * 2012-12-25 2018-02-02 周春大 一种电源及其充供电方法
JP5286445B1 (ja) 2012-12-28 2013-09-11 株式会社日立パワーソリューションズ 電動式移動体の無線給電装置
DE102013100175A1 (de) * 2013-01-09 2014-07-10 Epcos Ag Spulenanordnung zum Induzieren und Bereitstellen einer Spannung zum Aufladen eines Ladungsspeichers
US11928537B2 (en) * 2013-01-18 2024-03-12 Amatech Group Limited Manufacturing metal inlays for dual interface metal cards
JP5687719B2 (ja) 2013-01-31 2015-03-18 トヨタ自動車株式会社 受電装置、送電装置および電力伝送システム
US9270797B2 (en) 2013-02-27 2016-02-23 Nokia Technologies Oy Reducing inductive heating
US20140266018A1 (en) * 2013-03-12 2014-09-18 Qualcomm Incorporated Systems and methods for extending the power capability of a wireless charger
EP2984731B8 (en) 2013-03-15 2019-06-26 Tc1 Llc Malleable tets coil with improved anatomical fit
WO2014145664A1 (en) 2013-03-15 2014-09-18 Thoratec Corporation Integrated implantable tets housing including fins and coil loops
US9837846B2 (en) 2013-04-12 2017-12-05 Mojo Mobility, Inc. System and method for powering or charging receivers or devices having small surface areas or volumes
EP2801498A1 (de) * 2013-05-07 2014-11-12 Brusa Elektronik AG Anordnung und Verfahren zum induktiven Laden von mobilen Geräten
US9431169B2 (en) * 2013-06-07 2016-08-30 Qualcomm Incorporated Primary power supply tuning network for two coil device and method of operation
JP6173057B2 (ja) 2013-06-11 2017-08-02 キヤノン株式会社 給電装置、給電方法、プログラム及び記録媒体
US9509375B2 (en) * 2013-08-01 2016-11-29 SK Hynix Inc. Wireless transceiver circuit with reduced area
KR101875974B1 (ko) * 2013-08-14 2018-07-06 엘지이노텍 주식회사 무선 전력 송신 장치 및 그 방법
DE102013219542A1 (de) * 2013-09-27 2015-04-02 Siemens Aktiengesellschaft Ladeanordnung zur induktiven drahtlosen Abgabe von Energie
WO2015070202A2 (en) 2013-11-11 2015-05-14 Thoratec Corporation Hinged resonant power transfer coil
EP3072210B1 (en) 2013-11-11 2023-12-20 Tc1 Llc Resonant power transfer systems with communications
JP6521992B2 (ja) 2013-11-11 2019-05-29 ティーシー１ エルエルシー 通信を有する共振電力伝送システム
JP6156115B2 (ja) * 2013-12-13 2017-07-05 トヨタ自動車株式会社 送電装置
JP6162609B2 (ja) * 2014-01-07 2017-07-12 昭和飛行機工業株式会社 非接触給電装置
JP6410287B2 (ja) * 2014-02-10 2018-10-24 国立大学法人埼玉大学 非接触給電システム
US10610692B2 (en) 2014-03-06 2020-04-07 Tc1 Llc Electrical connectors for implantable devices
US9716861B1 (en) 2014-03-07 2017-07-25 Steelcase Inc. Method and system for facilitating collaboration sessions
US10664772B1 (en) 2014-03-07 2020-05-26 Steelcase Inc. Method and system for facilitating collaboration sessions
US9601933B2 (en) 2014-03-25 2017-03-21 Apple Inc. Tessellated inductive power transmission system coil configurations
JP6432366B2 (ja) * 2014-03-31 2018-12-05 Tdk株式会社 ワイヤレス電力伝送用コイルおよびワイヤレス電力伝送装置
JP6655550B2 (ja) 2014-04-07 2020-02-26 サフラン シーツ ユーエスエー エルエルシーＳａｆｒａｎ Ｓｅａｔｓ ＵＳＡ ＬＬＣ 航空機座席における誘導電力伝送
US10135303B2 (en) 2014-05-19 2018-11-20 Apple Inc. Operating a wireless power transfer system at multiple frequencies
US9449754B2 (en) 2014-05-30 2016-09-20 Apple Inc. Coil constructions for improved inductive energy transfer
US9766079B1 (en) 2014-10-03 2017-09-19 Steelcase Inc. Method and system for locating resources and communicating within an enterprise
US9380682B2 (en) 2014-06-05 2016-06-28 Steelcase Inc. Environment optimization for space based on presence and activities
US9955318B1 (en) 2014-06-05 2018-04-24 Steelcase Inc. Space guidance and management system and method
US10614694B1 (en) 2014-06-06 2020-04-07 Steelcase Inc. Powered furniture assembly
US10433646B1 (en) 2014-06-06 2019-10-08 Steelcaase Inc. Microclimate control systems and methods
US11744376B2 (en) 2014-06-06 2023-09-05 Steelcase Inc. Microclimate control systems and methods
KR102368002B1 (ko) 2014-07-08 2022-02-25 오클랜드 유니서비시즈 리미티드 유도성 전력 전송 장치
TWI584018B (zh) 2014-08-03 2017-05-21 帕戈技術股份有限公司 穿戴式照相機系統與用於將照相機系統或其他電子裝置附接至穿戴式製品之設備及方法
CN107148719B (zh) * 2014-08-12 2020-11-13 苹果公司 用于功率传输的系统和方法
CN115831569A (zh) * 2014-09-11 2023-03-21 奥克兰联合服务有限公司 具有受控磁通抵消的磁通耦合结构
US10243411B2 (en) 2014-09-18 2019-03-26 Qualcomm Incorporated Wireless charger with uniform H-field generator and EMI reduction
JP6655071B2 (ja) 2014-09-22 2020-02-26 ティーシー１ エルエルシー 無線で電力が供給されるインプラントと体外の外部デバイスの間で通信するためのアンテナ設計
CN107077963B (zh) 2014-09-26 2021-08-06 苹果公司 用于感应电能传输系统的发射器
US9852388B1 (en) 2014-10-03 2017-12-26 Steelcase, Inc. Method and system for locating resources and communicating within an enterprise
WO2016057525A1 (en) 2014-10-06 2016-04-14 Thoratec Corporation Multiaxial connector for implantable devices
JP2017220958A (ja) * 2014-10-24 2017-12-14 パナソニックＩｐマネジメント株式会社 給電装置
US10283997B2 (en) * 2014-12-19 2019-05-07 Mediatek Inc. Wireless power transmission structures
TW201724837A (zh) 2014-12-23 2017-07-01 帕戈技術股份有限公司 穿戴式相機、用於提供無線電力之系統，用於以無線方式提供電力之方法及用於處理影像之方法
JP2018504877A (ja) * 2014-12-31 2018-02-15 マサチューセッツ インスティテュート オブ テクノロジー ワイヤレス電力伝達の適応制御
WO2016140582A1 (en) 2015-03-04 2016-09-09 Powerbyproxi Limited Inductive power transmitter
EP3308388A4 (en) * 2015-03-29 2018-12-19 ChargEdge, Inc. Wireless power transfer using multiple coil arrays
CN107529346B (zh) 2015-04-02 2021-03-02 苹果公司 感应电力发射器
US10559971B2 (en) 2015-04-10 2020-02-11 Ossia Inc. Wirelessly chargeable battery apparatus
GB2537827A (en) * 2015-04-23 2016-11-02 Bombardier Transp Gmbh A circuit arrangement and a method of operating a circuit arrangement for a system for inductive power transfer
US10733371B1 (en) 2015-06-02 2020-08-04 Steelcase Inc. Template based content preparation system for use with a plurality of space types
US9425644B1 (en) 2015-06-03 2016-08-23 Thor Charger Company Method and apparatus for charging an electrically chargeable device utilizing resonating magnetic oscillations in the apparatus
WO2016201261A1 (en) 2015-06-10 2016-12-15 PogoTec, Inc. Eyewear with magnetic track for electronic wearable device
US9767951B2 (en) * 2015-07-07 2017-09-19 The Boeing Company Liquid crystal inductor enhanced with magnetic nanoparticles
CN105098897A (zh) * 2015-07-30 2015-11-25 京东方科技集团股份有限公司 一种可穿戴设备及终端
CN106410991B (zh) * 2015-07-30 2021-08-27 松下知识产权经营株式会社 异物检测装置、无线送电装置以及无线电力传输系统
JP6278012B2 (ja) * 2015-08-28 2018-02-14 トヨタ自動車株式会社 非接触電力伝送システム及び送電装置
CN105406606A (zh) * 2015-08-30 2016-03-16 电子科技大学 无线充电方法及无线充电发射装置
US10148126B2 (en) 2015-08-31 2018-12-04 Tc1 Llc Wireless energy transfer system and wearables
US10790699B2 (en) 2015-09-24 2020-09-29 Apple Inc. Configurable wireless transmitter device
US10477741B1 (en) 2015-09-29 2019-11-12 Apple Inc. Communication enabled EMF shield enclosures
US10651685B1 (en) * 2015-09-30 2020-05-12 Apple Inc. Selective activation of a wireless transmitter device
EP3902100A1 (en) 2015-10-07 2021-10-27 Tc1 Llc Resonant power transfer systems having efficiency optimization based on receiver impedance
WO2017075405A1 (en) * 2015-10-29 2017-05-04 PogoTec, Inc. Hearing aid adapted for wireless power reception
JP6600413B2 (ja) 2015-11-19 2019-10-30 アップル インコーポレイテッド 誘導電力送信機
US10038332B1 (en) 2015-12-24 2018-07-31 Energous Corporation Systems and methods of wireless power charging through multiple receiving devices
WO2017151933A1 (en) * 2016-03-03 2017-09-08 Sanjaya Maniktala Receiver coil arrangements for inductive wireless power transfer for portable devices
US11558538B2 (en) 2016-03-18 2023-01-17 Opkix, Inc. Portable camera system
US11239027B2 (en) 2016-03-28 2022-02-01 Chargedge, Inc. Bent coil structure for wireless power transfer
AU2017248083B2 (en) 2016-04-04 2020-05-21 Apple Inc Inductive power transmitter
US9921726B1 (en) 2016-06-03 2018-03-20 Steelcase Inc. Smart workstation method and system
US11376966B2 (en) * 2016-07-19 2022-07-05 Auckland Uniservices Limited Electric vehicle detection for roadway wireless power transfer
US10734840B2 (en) 2016-08-26 2020-08-04 Apple Inc. Shared power converter for a wireless transmitter device
WO2018048312A1 (en) 2016-09-06 2018-03-15 Powerbyproxi Limited An inductive power transmitter
DE102016218026A1 (de) * 2016-09-20 2018-03-22 Laird Dabendorf Gmbh Vorrichtung und Verfahren zur Erzeugung eines elektromagnetischen Felds zur induktiven Energieübertragung
US10898292B2 (en) 2016-09-21 2021-01-26 Tc1 Llc Systems and methods for locating implanted wireless power transmission devices
JP6821400B2 (ja) * 2016-11-10 2021-01-27 ローム株式会社 ワイヤレス送電装置および送電制御回路
US10264213B1 (en) 2016-12-15 2019-04-16 Steelcase Inc. Content amplification system and method
EP3346581B1 (en) * 2017-01-04 2023-06-14 LG Electronics Inc. Wireless charger for mobile terminal in vehicle
US10594160B2 (en) 2017-01-11 2020-03-17 Apple Inc. Noise mitigation in wireless power systems
US11197990B2 (en) 2017-01-18 2021-12-14 Tc1 Llc Systems and methods for transcutaneous power transfer using microneedles
DE102017201109A1 (de) * 2017-01-24 2018-07-26 E.G.O. Elektro-Gerätebau GmbH Kochfeld
KR102152919B1 (ko) * 2017-01-30 2020-09-07 닛산 지도우샤 가부시키가이샤 비접촉 급전용 코일 유닛
US10505401B2 (en) * 2017-02-02 2019-12-10 Apple Inc. Wireless charging system with receiver locating circuitry and foreign object detection
US10326316B2 (en) * 2017-02-10 2019-06-18 Apple Inc. Wireless charging system with inductance imaging
US11146093B2 (en) 2017-03-31 2021-10-12 Ossia Inc. Actively modifying output voltage of a wirelessly chargeable energy storage apparatus
US11177680B2 (en) * 2017-04-04 2021-11-16 Intel Corporation Field shaper for a wireless power transmitter
US12074452B2 (en) 2017-05-16 2024-08-27 Wireless Electrical Grid Lan, Wigl Inc. Networked wireless charging system
US12074460B2 (en) 2017-05-16 2024-08-27 Wireless Electrical Grid Lan, Wigl Inc. Rechargeable wireless power bank and method of using
US11462949B2 (en) 2017-05-16 2022-10-04 Wireless electrical Grid LAN, WiGL Inc Wireless charging method and system
US11043853B2 (en) 2017-05-17 2021-06-22 Apple Inc. Wireless charging system having measurement circuitry with foreign object detection capabilities
US10320241B2 (en) * 2017-05-17 2019-06-11 Apple Inc. Wireless charging system with object recognition
CN110999029A (zh) 2017-05-30 2020-04-10 无线先进车辆电气化有限公司 单点馈电多垫式无线充电
DE102017210226A1 (de) * 2017-06-20 2018-12-20 Robert Bosch Gmbh Energieübertragungssystem zum Laden von wiederaufladbaren Energiespeichern
US20190027966A1 (en) * 2017-07-18 2019-01-24 Korea Advanced Institute Of Science And Technology (Kaist) Wireless power transfer system including primary coil unit having a plurality of independently controllable coils and receiver coil unit having a plurality of coils
US10236725B1 (en) 2017-09-05 2019-03-19 Apple Inc. Wireless charging system with image-processing-based foreign object detection
KR20190060531A (ko) * 2017-11-24 2019-06-03 경희대학교 산학협력단 복수의 소형 전력 전송 코일로 구성된 무선 충전 패드 및 무선 충전 패드의 구동 장치 및 방법
WO2019135890A1 (en) 2018-01-04 2019-07-11 Tc1 Llc Systems and methods for elastic wireless power transmission devices
KR20190087761A (ko) * 2018-01-17 2019-07-25 현대자동차주식회사 전기차 무선 전력 전송 시스템에서 다양한 구조의 페라이트를 내장한 무선 충전 패드
US11462943B2 (en) 2018-01-30 2022-10-04 Wireless Advanced Vehicle Electrification, Llc DC link charging of capacitor in a wireless power transfer pad
JP7144192B2 (ja) * 2018-05-29 2022-09-29 ローム株式会社 ワイヤレス送電装置、その制御回路
KR102241360B1 (ko) * 2018-07-12 2021-04-15 연세대학교 산학협력단 무선 전력 송신 장치와 이를 구비하는 무선 전력 전송 시스템, 및 무선 전력 수신 장치
US11142084B2 (en) * 2018-07-31 2021-10-12 Witricity Corporation Extended-range positioning system based on foreign-object detection
DE102018216916A1 (de) * 2018-10-02 2020-04-02 Universität Stuttgart Einrichtung zur kontaktlosen induktiven Energieübertragung, insbesondere für induktive Ladevorgänge bei Kraftfahrzeugen
WO2020102237A1 (en) 2018-11-13 2020-05-22 Opkix, Inc. Wearable mounts for portable camera
US10594368B1 (en) * 2019-01-31 2020-03-17 Capital One Services, Llc Array and method for improved wireless communication
US11018779B2 (en) 2019-02-06 2021-05-25 Energous Corporation Systems and methods of estimating optimal phases to use for individual antennas in an antenna array
CN109904938B (zh) * 2019-03-06 2020-10-16 哈尔滨工业大学 用于移动设备的矩阵网络式无线供电系统及其充电方法
EP3836347B1 (en) * 2019-12-13 2022-01-19 Wiferion GmbH Wireless power transmission with modular output
US12046910B2 (en) 2020-02-24 2024-07-23 Ossia Inc. Devices and systems for providing wirelessly chargeable batteries with improved charge capacities
US11228210B2 (en) * 2020-03-05 2022-01-18 Renesas Electronics America Inc. Multi-coil wireless power transmitter
US12118178B1 (en) 2020-04-08 2024-10-15 Steelcase Inc. Wayfinding services method and apparatus
US11469040B2 (en) * 2020-06-04 2022-10-11 Apple Inc. Wireless magnetic charger with solenoids
US11984739B1 (en) 2020-07-31 2024-05-14 Steelcase Inc. Remote power systems, apparatus and methods
US12081041B2 (en) 2021-03-30 2024-09-03 Apple Inc. Shielding structures for wireless charging systems
KR20230001006A (ko) * 2021-06-25 2023-01-03 애플 인크. 무선 충전 시스템용 나노결정질 구조물
US11715979B2 (en) * 2021-07-23 2023-08-01 Renesas Electronics America, Inc. Multi-element driver topology for element selection
US12249839B2 (en) 2022-08-09 2025-03-11 Apple Inc. Wireless power transfer structure

Family Cites Families (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4556837A (en) 1982-03-24 1985-12-03 Terumo Kabushiki Kaisha Electronic clinical thermometer
EP0298707B1 (en) * 1987-07-10 1994-09-28 Seiko Epson Corporation Charging device for electronic apparatus
SU1721643A1 (ru) * 1990-01-04 1992-03-23 Ленинградский Электротехнический Институт Связи Им.Проф.М.А.Бонч-Бруевича Устройство дл бесконтактной передачи электроэнергии на вращающийс объект
EP0491214A1 (de) * 1990-12-19 1992-06-24 Asea Brown Boveri Ag Transformator, insbesondere Impulstransformator
KR950004749B1 (ko) * 1991-10-25 1995-05-06 삼성전자주식회사 무선 전화기의 무접점 디지탈 파워 송수신 시스템
US5311973A (en) * 1992-07-31 1994-05-17 Ling-Yuan Tseng Inductive charging of a moving electric vehicle's battery
US5519262A (en) 1992-11-17 1996-05-21 Wood; Mark B. Near field power coupling system
EP0727105B1 (en) * 1993-10-21 2003-03-12 Auckland Uniservices Limited Inductive power pick-up coils
JP2671809B2 (ja) * 1994-06-30 1997-11-05 日本電気株式会社 非接触型充電装置
US6459218B2 (en) 1994-07-13 2002-10-01 Auckland Uniservices Limited Inductively powered lamp unit
GB2314470A (en) * 1996-06-18 1997-12-24 Tien Chung Lung Battery charging arrangement with inductively coupled charging device and rechargeable battery device
US5821728A (en) * 1996-07-22 1998-10-13 Schwind; John P. Armature induction charging of moving electric vehicle batteries
JPH1092673A (ja) * 1996-07-26 1998-04-10 Tdk Corp 非接触電力伝送装置
US5734254A (en) * 1996-12-06 1998-03-31 Hewlett-Packard Company Battery pack and charging system for a portable electronic device
JP4067595B2 (ja) * 1997-02-20 2008-03-26 富士通株式会社 複数の機器に対応した非接触型充電装置
JP4280313B2 (ja) 1997-10-16 2009-06-17 株式会社日立国際電気 Ｉｃカードシステム
KR20010032834A (ko) 1997-12-05 2001-04-25 마크 버게스 1차 컨덕터에 전력을 공급하는 장치
US6570541B2 (en) * 1998-05-18 2003-05-27 Db Tag, Inc. Systems and methods for wirelessly projecting power using multiple in-phase current loops
CN2341281Y (zh) * 1998-07-28 1999-09-29 赵文忠 移动电话的充电装置
US6212430B1 (en) 1999-05-03 2001-04-03 Abiomed, Inc. Electromagnetic field source with detection of position of secondary coil in relation to multiple primary coils
US7522878B2 (en) * 1999-06-21 2009-04-21 Access Business Group International Llc Adaptive inductive power supply with communication
US7212414B2 (en) * 1999-06-21 2007-05-01 Access Business Group International, Llc Adaptive inductive power supply
US7612528B2 (en) 1999-06-21 2009-11-03 Access Business Group International Llc Vehicle interface
US6442434B1 (en) 1999-10-19 2002-08-27 Abiomed, Inc. Methods and apparatus for providing a sufficiently stable power to a load in an energy transfer system
US6803744B1 (en) 1999-11-01 2004-10-12 Anthony Sabo Alignment independent and self aligning inductive power transfer system
AU2000251049A1 (en) * 2000-06-02 2001-12-17 Yamatake Corporation Electromagnetic induction coupling apparatus
JP2002008996A (ja) * 2000-06-23 2002-01-11 Mitsubishi Heavy Ind Ltd 給電アンテナ及び給電方法
CN1373530A (zh) * 2001-02-28 2002-10-09 陈怡铭 适用于各种不同的移动电话的移动电话充电系统
DE10119283A1 (de) 2001-04-20 2002-10-24 Philips Corp Intellectual Pty System zur drahtlosen Übertragung elektrischer Leistung, ein Kleidungsstück, ein System von Kleidungsstücken und Verfahren zum Übertragen von Signalen und/oder elektrischer Leistung
JP2003011734A (ja) 2001-04-26 2003-01-15 Denso Corp 車両用電気機器取付構造
JP4011875B2 (ja) * 2001-09-04 2007-11-21 富士フイルム株式会社 撮像素子内蔵携帯装置
TW535341B (en) 2001-09-07 2003-06-01 Primax Electronics Ltd Wireless peripherals charged by electromagnetic induction
JP4212279B2 (ja) * 2002-02-08 2009-01-21 シャープ株式会社 球状基板、半導体装置、球状半導体装置の製造装置、識別装置、および球状基板の製造方法
GB2388716B (en) * 2002-05-13 2004-10-20 Splashpower Ltd Improvements relating to contact-less power transfer
EP1506605A2 (en) * 2002-05-13 2005-02-16 Splashplower Limited Contact-less power transfer
EP1547222B1 (en) * 2002-06-10 2018-10-03 City University of Hong Kong Planar inductive battery charger
JP2004096852A (ja) * 2002-08-30 2004-03-25 Aichi Electric Co Ltd 非接触給電装置
DE10393604T5 (de) * 2002-10-28 2005-11-03 Splashpower Ltd. Verbesserungen bei der berührungslosen Leistungsübertragung
US7932638B2 (en) 2002-12-10 2011-04-26 Pure Energy Solutions, Inc. Reliable contact and safe system and method for providing power to an electronic device
US8183827B2 (en) 2003-01-28 2012-05-22 Hewlett-Packard Development Company, L.P. Adaptive charger system and method
US7233137B2 (en) * 2003-09-30 2007-06-19 Sharp Kabushiki Kaisha Power supply system
JP4036813B2 (ja) * 2003-09-30 2008-01-23 シャープ株式会社 非接触電力供給システム
JP2005160253A (ja) * 2003-11-27 2005-06-16 Seiko Epson Corp 充電器、電子時計、および電子時計の使用方法
US7211986B1 (en) * 2004-07-01 2007-05-01 Plantronics, Inc. Inductive charging system
KR20040072581A (ko) 2004-07-29 2004-08-18 (주)제이씨 프로텍 전자기파 증폭중계기 및 이를 이용한 무선전력변환장치
JP4318044B2 (ja) * 2005-03-03 2009-08-19 ソニー株式会社 電力供給システム、電力供給装置および方法、受電装置および方法、記録媒体、並びにプログラム
US7262700B2 (en) * 2005-03-10 2007-08-28 Microsoft Corporation Inductive powering surface for powering portable devices
KR100819604B1 (ko) * 2005-07-27 2008-04-03 엘에스전선 주식회사 충전효율의 편차가 개선된 무선 충전기
US7521890B2 (en) * 2005-12-27 2009-04-21 Power Science Inc. System and method for selective transfer of radio frequency power
KR100792308B1 (ko) 2006-01-31 2008-01-07 엘에스전선 주식회사 코일 어레이를 구비한 무접점 충전장치, 무접점 충전시스템 및 충전 방법
US8169185B2 (en) 2006-01-31 2012-05-01 Mojo Mobility, Inc. System and method for inductive charging of portable devices
US7952322B2 (en) 2006-01-31 2011-05-31 Mojo Mobility, Inc. Inductive power source and charging system
US9129741B2 (en) * 2006-09-14 2015-09-08 Qualcomm Incorporated Method and apparatus for wireless power transmission
EP2078330A2 (en) * 2006-10-25 2009-07-15 Laszlo Farkas High power wireless resonant energy transfer system transfers energy across an airgap
KR20100051753A (ko) * 2007-09-25 2010-05-17 파우워매트 엘티디. 유도전력전송 플랫폼
US8193769B2 (en) * 2007-10-18 2012-06-05 Powermat Technologies, Ltd Inductively chargeable audio devices
JP4962322B2 (ja) 2008-01-11 2012-06-27 ソニー株式会社 アンテナモジュール、通信装置及び通信システム
AU2009223084A1 (en) * 2008-03-13 2009-09-17 Access Business Group International Llc Inductive power supply system with multiple coil primary
PL2263296T3 (pl) * 2008-04-03 2016-06-30 Koninklijke Philips Nv Bezprzewodowy system transmisji energii
KR101659080B1 (ko) * 2009-11-13 2016-09-23 삼성전자주식회사 충전 제어를 위한 무선 충전기 및 방법
KR101356623B1 (ko) * 2011-11-10 2014-02-03 주식회사 스파콘 전력전송코일 및 무선 전력전송장치

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