KR20170008800A - 유도 열 감지에 기초한 외래 오브젝트 검출 루프를 위한 시스템들, 방법들 및 장치 - Google Patents

유도 열 감지에 기초한 외래 오브젝트 검출 루프를 위한 시스템들, 방법들 및 장치 Download PDF

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KR20170008800A
KR20170008800A KR1020167035096A KR20167035096A KR20170008800A KR 20170008800 A KR20170008800 A KR 20170008800A KR 1020167035096 A KR1020167035096 A KR 1020167035096A KR 20167035096 A KR20167035096 A KR 20167035096A KR 20170008800 A KR20170008800 A KR 20170008800A
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South Korea
Prior art keywords
coil
magnetic field
electrical characteristic
exposure
exposure cycle
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KR1020167035096A
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English (en)
Korean (ko)
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한스 페터 비드메르
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퀄컴 인코포레이티드
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Withdrawn legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
    • G01V3/101—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil
    • B60L11/182—
    • B60L11/1829—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/12—Inductive energy transfer
    • B60L53/124—Detection or removal of foreign bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
    • B60L53/38—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • Y02T90/122—
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Electromagnetism (AREA)
  • Geophysics (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Geophysics And Detection Of Objects (AREA)
KR1020167035096A 2014-05-15 2015-05-11 유도 열 감지에 기초한 외래 오브젝트 검출 루프를 위한 시스템들, 방법들 및 장치 Withdrawn KR20170008800A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14/279,112 2014-05-15
US14/279,112 US10295693B2 (en) 2014-05-15 2014-05-15 Systems, methods, and apparatus for foreign object detection loop based on inductive thermal sensing
PCT/US2015/030148 WO2015175406A1 (en) 2014-05-15 2015-05-11 Systems, methods, and apparatus for foreign object detection loop based on inductive thermal sensing

Publications (1)

Publication Number Publication Date
KR20170008800A true KR20170008800A (ko) 2017-01-24

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KR1020167035096A Withdrawn KR20170008800A (ko) 2014-05-15 2015-05-11 유도 열 감지에 기초한 외래 오브젝트 검출 루프를 위한 시스템들, 방법들 및 장치

Country Status (6)

Country Link
US (2) US10295693B2 (enExample)
EP (1) EP3143437B1 (enExample)
JP (1) JP6566446B2 (enExample)
KR (1) KR20170008800A (enExample)
CN (1) CN106461809B (enExample)
WO (1) WO2015175406A1 (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190072484A (ko) 2017-12-15 2019-06-25 경문건 전력손실 추적 기반의 자율 무선충전 시스템 및 방법
KR20190092203A (ko) 2018-01-29 2019-08-07 경문건 하드웨어 및 비용 효율이 높은 자율 무선충전 장치
KR20190108156A (ko) * 2017-02-02 2019-09-23 애플 인크. 수신기 위치설정 회로 및 외부 물체 검출을 갖는 무선 충전 시스템

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9921045B2 (en) 2013-10-22 2018-03-20 Qualcomm Incorporated Systems, methods, and apparatus for increased foreign object detection loop array sensitivity
US10018744B2 (en) * 2014-05-07 2018-07-10 Witricity Corporation Foreign object detection in wireless energy transfer systems
US10029573B2 (en) * 2014-08-27 2018-07-24 Ford Global Technologies, Llc Vehicle battery charging system notification
US10324215B2 (en) 2014-12-30 2019-06-18 Witricity Corporation Systems, methods, and apparatus for detecting ferromagnetic foreign objects in a predetermined space
US10302795B2 (en) 2014-12-30 2019-05-28 Witricity Corporation Systems, methods, and apparatus for detecting ferromagnetic foreign objects in a predetermined space
DE102015205865A1 (de) * 2015-04-01 2016-10-20 Bayerische Motoren Werke Aktiengesellschaft Optimierte Spule für induktives Laden
US10536958B2 (en) * 2015-09-15 2020-01-14 Lg Electronics Inc. Resource selection method for V2X operation of terminal in wireless communication system, and terminal using method
EP4243240A3 (en) * 2015-09-17 2024-01-03 IHI Corporation Power transmission device, and contactless power supply system
US10199881B2 (en) 2015-10-23 2019-02-05 Mediatek Inc. Robust foreign objects detection
DE102016103044A1 (de) 2016-02-22 2017-08-24 Ipt Technology Gmbh Verfahren zur Erkennung eines elektrisch leitfähigen Fremdkörpers
US11070095B2 (en) * 2016-07-01 2021-07-20 Lg Innotek Co., Ltd. Method for detecting foreign material, and device and system therefor
KR101915008B1 (ko) * 2016-08-12 2018-11-06 (주)그린파워 전기 자동차용 유무선 겸용 충전 시스템
DE102016121334A1 (de) * 2016-11-08 2018-05-09 Innogy Se Messwandler
CN110149809B (zh) * 2016-12-05 2023-04-14 皇家飞利浦有限公司 无线功率传输系统中的异物检测
US10804748B2 (en) 2016-12-14 2020-10-13 Apple Inc. Wireless power system with foreign object detection
US10444394B2 (en) 2017-01-10 2019-10-15 Witricity Corporation Foreign object detection using heat sensitive material and inductive sensing
CN106933618B (zh) * 2017-01-25 2020-03-27 上海蔚来汽车有限公司 基于系统参数相关系数的系统升级评估方法
JP6880861B2 (ja) * 2017-03-15 2021-06-02 オムロン株式会社 近接センサおよび検知方法
US10256674B2 (en) * 2017-05-23 2019-04-09 Witricity Corporation Wireless charging transmitter with foreign object and living object detection systems
US11289953B2 (en) 2017-07-05 2022-03-29 Mediatek Singapore Pte. Ltd. Adapting wireless power transfer parameters to transmitter operating conditions
DE102018206592A1 (de) * 2018-04-27 2019-10-31 Continental Automotive Gmbh Adaptiver Sektoren-Trigger für Doppler-Radar
WO2020015749A1 (en) 2018-07-19 2020-01-23 Mediatek Singapore Pte., Ltd. Detecting foreign objects in wireless power transfer systems
WO2020015746A1 (en) 2018-07-19 2020-01-23 Mediatek Singapore Pte. Ltd. Detecting foreign objects in wireless power transfer systems
US10505403B1 (en) 2018-08-31 2019-12-10 Apple Inc. Wireless charging system with temperature sensing
US10658878B2 (en) 2018-08-31 2020-05-19 Apple Inc. Wireless charging system with temperature sensor array
JP7119838B2 (ja) 2018-09-26 2022-08-17 トヨタ自動車株式会社 非接触送電装置
CN111371189B (zh) * 2018-12-26 2024-06-25 恩智浦美国有限公司 在具有复杂谐振电路的无线充电系统中确定q因数
CN110308491B (zh) * 2019-05-29 2021-11-05 浙江大华技术股份有限公司 物品探测方法、装置、存储介质及电子装置
JP7451916B2 (ja) * 2019-09-25 2024-03-19 オムロン株式会社 異物検出装置
US11874423B2 (en) 2019-10-25 2024-01-16 Witricity Corporation Circuit for object detection and vehicle position determination
CN112928789B (zh) * 2019-12-05 2023-03-24 荣耀终端有限公司 一种充电方法及电子设备
NL2024485B1 (en) * 2019-12-17 2021-09-02 Prodrive Tech Bv Apparatus for inductive power transfer
US12003117B2 (en) * 2020-06-15 2024-06-04 The Regents Of The University Of Michigan Foreign object detection in wireless power transfer
EP4285462A1 (en) * 2021-01-26 2023-12-06 WiTricity Corporation Wire-wound structures for electromagnetic sensing of objects
US11750041B2 (en) 2021-01-26 2023-09-05 Witricity Corporation Wire-wound structures for electromagnetic sensing of objects
KR20220124975A (ko) * 2021-03-04 2022-09-14 삼성전자주식회사 무선 전력을 수신하는 전자 장치 및 이를 이용한 온도 측정 방법
CN113300487B (zh) * 2021-05-28 2024-07-30 伏达半导体(合肥)股份有限公司 用于无线电能传输系统的异物检测设备及方法
US20220390642A1 (en) * 2021-06-02 2022-12-08 Nwave Technologies Inc Battery-powered vehicle detecting device using an embedded inductive sensor
WO2023044300A1 (en) 2021-09-14 2023-03-23 Witricity Corporation Circuit for object detection and vehicle position determination
EP4473642A1 (en) 2022-02-03 2024-12-11 WiTricity Corporation Foreign object detection using hybrid inductive and capacitive sensing
EP4473641A1 (en) 2022-02-03 2024-12-11 WiTricity Corporation Foreign object detection using combined inductive and thermal sensing
WO2025199209A1 (en) 2024-03-19 2025-09-25 Witricity Corporation Systems and methods for foreign object detection in wireless power transfer

Family Cites Families (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3018395A (en) 1960-07-15 1962-01-23 United Aircraft Corp Tachometer generator
JPS5430076A (en) * 1977-08-10 1979-03-06 Sumitomo Electric Ind Ltd Fine variation meter of impedance
GB2025630B (en) 1977-11-10 1982-06-30 Goring Kerr Ltd Electrical bridge circuit with compensation for long-term drift
JPS56154687A (en) 1980-05-01 1981-11-30 Ono Sokki Co Ltd Minute-metal detector
JPS57113362A (en) 1981-01-06 1982-07-14 Nippon Kokan Kk <Nkk> Probe coil type eddy current flaw detecting method
JPS61250920A (ja) * 1985-04-26 1986-11-08 理研電具製造株式会社 高周波発振型近接スイツチ
JPH03194818A (ja) 1989-12-22 1991-08-26 Ochiai Tetsukoujiyou:Kk 近接センサ
FR2716979B1 (fr) 1994-03-04 1996-03-29 Telemecanique Détecteur de proximité inductif.
JPH0821880A (ja) 1994-07-07 1996-01-23 Nippon Autom Kk 磁性体検出機
US6216540B1 (en) 1995-06-06 2001-04-17 Robert S. Nelson High resolution device and method for imaging concealed objects within an obscuring medium
JPH0930076A (ja) 1995-07-21 1997-02-04 Oki Data:Kk プリンタ
US5642050A (en) 1995-12-21 1997-06-24 White's Electronics, Inc. Plural frequency method and system for identifying metal objects in a background environment using a target model
JPH10228121A (ja) 1997-02-14 1998-08-25 Fuji Electric Co Ltd 電子写真用感光体
JP2004184257A (ja) 2002-12-04 2004-07-02 Kura Gijutsu Kenkyusho:Kk 二組の抵抗或いはコイル或いはコンデンサの微小差検出回路及びそれを用いた位置検出装置及び導体の欠陥或いは有無の識別検査装置
JP2004191223A (ja) 2002-12-12 2004-07-08 Minebea Co Ltd ソノブイ有無検知装置及び検知方法
US6864108B1 (en) * 2003-10-20 2005-03-08 Texas Instruments Incorporated Measurement of wafer temperature in semiconductor processing chambers
US7239133B1 (en) 2006-01-19 2007-07-03 General Electric Company Methods and systems for controlling the temperature stability of an inductor
KR100836634B1 (ko) 2006-10-24 2008-06-10 주식회사 한림포스텍 무선 데이타 통신과 전력 전송이 가능한 무접점 충전장치,충전용 배터리팩 및 무접점 충전장치를 이용한 휴대용단말기
JP5049018B2 (ja) * 2007-01-09 2012-10-17 ソニーモバイルコミュニケーションズ株式会社 非接触充電装置
EP1965177B1 (en) 2007-02-27 2019-10-02 Senstronic, S.A. Inductive presence or position sensor
US8041643B2 (en) 2007-03-09 2011-10-18 At&T Intellectual Property I, L.P. System and method of providing media content
JP2008232999A (ja) 2007-03-23 2008-10-02 Miki Giken:Kk ループコイル式金属物体検知装置
JP5096034B2 (ja) 2007-04-27 2012-12-12 オリンパスメディカルシステムズ株式会社 位置検出装置および医療装置誘導システム
KR101687126B1 (ko) 2007-12-21 2016-12-15 액세스 비지니스 그룹 인터내셔날 엘엘씨 유도 전력 전송 회로
US7705589B2 (en) 2008-02-19 2010-04-27 Korea Research Institute Of Standards And Science Sensor for detecting surface defects of metal tube using eddy current method
JP2009229261A (ja) 2008-03-24 2009-10-08 Gifu Univ 高指向性センサおよびその製造方法
US8188730B2 (en) 2008-09-10 2012-05-29 Rockwell Automation Technologies, Inc. Method and system for inductive proximity sensing that includes mounting effect compensation
US20100277121A1 (en) 2008-09-27 2010-11-04 Hall Katherine L Wireless energy transfer between a source and a vehicle
US20120112691A1 (en) 2008-09-27 2012-05-10 Kurs Andre B Wireless energy transfer for vehicles
US8922066B2 (en) * 2008-09-27 2014-12-30 Witricity Corporation Wireless energy transfer with multi resonator arrays for vehicle applications
US8946938B2 (en) 2008-09-27 2015-02-03 Witricity Corporation Safety systems for wireless energy transfer in vehicle applications
JP5423023B2 (ja) 2009-02-06 2014-02-19 富士ゼロックス株式会社 物体検知装置
EP3116139A1 (en) 2009-02-13 2017-01-11 Witricity Corporation Wireless energy transfer in lossy environments
WO2010118191A1 (en) 2009-04-08 2010-10-14 Access Business Group International Llc Selectable coil array
DE102009033237A1 (de) 2009-07-14 2011-01-20 Conductix-Wampfler Ag Vorrichtung zur induktiven Übertragung elektrischer Energie
DE102009033236A1 (de) 2009-07-14 2011-01-20 Conductix-Wampfler Ag Vorrichtung zur induktiven Übertragung elektrischer Energie
JP5484843B2 (ja) 2009-09-24 2014-05-07 パナソニック株式会社 非接触充電システム
US20110251809A1 (en) 2009-10-12 2011-10-13 Aaa Sales & Engineering, Inc. Inductive loop presence detector
US8575944B2 (en) 2009-11-03 2013-11-05 Robert Bosch Gmbh Foreign object detection in inductive coupled devices
EP2378316A1 (en) 2010-04-14 2011-10-19 M.d. Micro Detectors S.p.a. Inductive sensor whose output is independent of the type of detectable metallic material
JP2012016125A (ja) 2010-06-30 2012-01-19 Panasonic Electric Works Co Ltd 非接触給電システム及び非接触給電システムの金属異物検出装置
US8618794B2 (en) 2010-07-30 2013-12-31 Atmel Corporation Detecting inductive objects using inputs of integrated circuit device
US9294153B2 (en) 2010-09-23 2016-03-22 Texas Instruments Incorporated Systems and methods of wireless power transfer with interference detection
EP2625551B1 (en) 2010-10-07 2016-11-09 Mettler-Toledo Safeline Limited Method for operating a metal detection system and metal detection system
WO2012058466A1 (en) * 2010-10-29 2012-05-03 Qualcomm Incorporated Wireless energy transfer via coupled parasitic resonators
JP2012143091A (ja) 2011-01-04 2012-07-26 Kimitake Utsunomiya 遠隔無線駆動充電装置
KR101397624B1 (ko) 2011-03-23 2014-05-22 주식회사 한림포스텍 무선 전력 전송 장치에서의 전력 전송 제어 방법 및 전력 전송 장치
JP6067211B2 (ja) 2011-05-27 2017-01-25 日産自動車株式会社 非接触給電装置
JP2013070580A (ja) 2011-09-26 2013-04-18 Sony Corp 受電装置、送電装置、非接触電力伝送システム及び非接触電力伝送方法
US9145110B2 (en) 2011-10-27 2015-09-29 Ford Global Technologies, Llc Vehicle wireless charger safety system
US9417199B2 (en) 2012-01-17 2016-08-16 Triune Systems, LLC Method and system of wireless power transfer foreign object detection
US10778045B2 (en) 2012-01-30 2020-09-15 Triune Ip, Llc Method and system of wireless power transfer foreign object detection
CN204659475U (zh) 2012-02-29 2015-09-23 西门子公司 充电系统、电驱动的车辆和用于这种车辆的充电站
JP2013192391A (ja) 2012-03-14 2013-09-26 Sony Corp 検知装置、受電装置、送電装置及び非接触給電システム
JP2013208012A (ja) 2012-03-29 2013-10-07 Equos Research Co Ltd アンテナコイルユニット及び磁界共鳴式給電システム
JP5966538B2 (ja) 2012-04-10 2016-08-10 ソニー株式会社 受電装置、受電装置の制御方法、および、給電システム
US8818523B2 (en) * 2012-04-25 2014-08-26 Medtronic, Inc. Recharge of an implantable device in the presence of other conductive objects
US9410823B2 (en) 2012-07-13 2016-08-09 Qualcomm Incorporated Systems, methods, and apparatus for detection of metal objects in a predetermined space
WO2014063159A2 (en) 2012-10-19 2014-04-24 Witricity Corporation Foreign object detection in wireless energy transfer systems
GB2508923A (en) 2012-12-17 2014-06-18 Bombardier Transp Gmbh Inductive power transfer system having inductive sensing array
ES2632604T3 (es) 2012-12-18 2017-09-14 Nucleus Scientific, Inc. Identificación de sistemas no lineales para optimización de transferencia inalámbrica de potencia
US9479134B2 (en) 2013-03-04 2016-10-25 Texas Instruments Incorporated Position detecting system
WO2015005935A1 (en) 2013-07-12 2015-01-15 Schneider Electric USA, Inc. Method and device for foreign object detection in induction electric charger
US9921045B2 (en) 2013-10-22 2018-03-20 Qualcomm Incorporated Systems, methods, and apparatus for increased foreign object detection loop array sensitivity
US10302795B2 (en) 2014-12-30 2019-05-28 Witricity Corporation Systems, methods, and apparatus for detecting ferromagnetic foreign objects in a predetermined space
US10324215B2 (en) 2014-12-30 2019-06-18 Witricity Corporation Systems, methods, and apparatus for detecting ferromagnetic foreign objects in a predetermined space

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190108156A (ko) * 2017-02-02 2019-09-23 애플 인크. 수신기 위치설정 회로 및 외부 물체 검출을 갖는 무선 충전 시스템
KR20190072484A (ko) 2017-12-15 2019-06-25 경문건 전력손실 추적 기반의 자율 무선충전 시스템 및 방법
US11894697B2 (en) 2017-12-15 2024-02-06 Woncomm Co., Ltd. Autonomous wireless charging system and method based on power loss tracking
KR20190092203A (ko) 2018-01-29 2019-08-07 경문건 하드웨어 및 비용 효율이 높은 자율 무선충전 장치

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