KR101612654B1 - 패시브 부하의 정적 또는 동적 조정을 위한 부하 임피던스 검출 - Google Patents

패시브 부하의 정적 또는 동적 조정을 위한 부하 임피던스 검출 Download PDF

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KR101612654B1
KR101612654B1 KR1020147013576A KR20147013576A KR101612654B1 KR 101612654 B1 KR101612654 B1 KR 101612654B1 KR 1020147013576 A KR1020147013576 A KR 1020147013576A KR 20147013576 A KR20147013576 A KR 20147013576A KR 101612654 B1 KR101612654 B1 KR 101612654B1
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voltage
load
circuit
threshold
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KR20140080549A (ko
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코디 비 휠랜드
라이언 쳉
노박 윌리엄 에이치 본
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퀄컴 인코포레이티드
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Priority claimed from US13/646,553 external-priority patent/US9071284B2/en
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    • 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
    • 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
    • H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting 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
    • H02J50/60—Circuit arrangements or systems for wireless supply or distribution of electric power responsive to the presence of foreign objects, e.g. detection of living beings
    • 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
    • H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Near-Field Transmission Systems (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Filters And Equalizers (AREA)
  • Control Of Electrical Variables (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
KR1020147013576A 2011-10-21 2012-10-17 패시브 부하의 정적 또는 동적 조정을 위한 부하 임피던스 검출 Active KR101612654B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201161550251P 2011-10-21 2011-10-21
US61/550,251 2011-10-21
US13/646,553 US9071284B2 (en) 2011-10-21 2012-10-05 Load impedance detection for static or dynamic adjustment of passive loads
US13/646,553 2012-10-05
PCT/US2012/060590 WO2013059300A2 (en) 2011-10-21 2012-10-17 Load impedance detection for static or dynamic adjustment of passive loads

Publications (2)

Publication Number Publication Date
KR20140080549A KR20140080549A (ko) 2014-06-30
KR101612654B1 true KR101612654B1 (ko) 2016-04-14

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KR1020147013576A Active KR101612654B1 (ko) 2011-10-21 2012-10-17 패시브 부하의 정적 또는 동적 조정을 위한 부하 임피던스 검출

Country Status (6)

Country Link
EP (1) EP2769454B1 (enExample)
JP (2) JP6005170B2 (enExample)
KR (1) KR101612654B1 (enExample)
CN (1) CN103959602B (enExample)
IN (1) IN2014CN02821A (enExample)
WO (1) WO2013059300A2 (enExample)

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KR102187962B1 (ko) 2013-05-10 2020-12-08 삼성전자주식회사 무선 충전에서 수신기 검출을 위한 로드 변화 감지 방법 및 무선 전력 송신기
WO2015069122A1 (en) * 2013-11-11 2015-05-14 Powerbyproxi Limited Contactless power receiver and method for operating same
US10164472B2 (en) 2013-12-03 2018-12-25 Massachusetts Institute Of Technology Method and apparatus for wirelessly charging portable electronic devices
CN106033400B (zh) * 2015-03-18 2019-04-05 瑞昱半导体股份有限公司 通用串行总线缆线种类检测装置及方法
US10498160B2 (en) 2015-08-03 2019-12-03 Massachusetts Institute Of Technology Efficiency maximization for device-to-device wireless charging
US10291074B2 (en) 2015-09-09 2019-05-14 Samsung Electronics Co., Ltd. Method and apparatus for transmitting wireless power
TWI587598B (zh) * 2015-09-19 2017-06-11 立錡科技股份有限公司 諧振式無線電源發送電路及其控制方法
CN106130195B (zh) * 2016-08-02 2019-03-15 无锡晶磊电子有限公司 带有扁平线圈的无线充电电路
WO2018064791A1 (en) * 2016-10-03 2018-04-12 Intel Corporation Reactance shift detection and over dissipation protection in a wireless power transmitter
KR101945601B1 (ko) * 2016-12-15 2019-02-07 경희대학교 산학협력단 자기 공진형 무선 전력 전송 시스템에서 동적 임피던스 정합 장치 및 방법
US11018526B2 (en) 2018-02-08 2021-05-25 Massachusetts Institute Of Technology Detuning for a resonant wireless power transfer system including cooperative power sharing
US10651687B2 (en) 2018-02-08 2020-05-12 Massachusetts Institute Of Technology Detuning for a resonant wireless power transfer system including cryptography
WO2019172033A1 (ja) * 2018-03-08 2019-09-12 株式会社村田製作所 マルチプレクサ、高周波フロントエンド回路および通信装置
JP7126887B2 (ja) * 2018-07-11 2022-08-29 東芝テック株式会社 送電装置及び電力伝送システム
CN108923552A (zh) * 2018-07-27 2018-11-30 浙江泰米电子科技有限公司 一种无线充电异物检测电路及方法
CN112874389B (zh) * 2021-02-01 2022-07-12 重庆中车长客轨道车辆有限公司 一种操作保护方法、装置、设备及计算机可读存储介质
CN113466648B (zh) * 2021-06-28 2024-08-27 深圳市时代速信科技有限公司 一种GaN器件能量波的检测器、检测方法及装置

Citations (4)

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Publication number Priority date Publication date Assignee Title
JP2010246248A (ja) 2009-04-05 2010-10-28 Kimitake Utsunomiya 機器内無線電力供給装置
US20100277121A1 (en) 2008-09-27 2010-11-04 Hall Katherine L Wireless energy transfer between a source and a vehicle
US20110095618A1 (en) 2008-09-27 2011-04-28 Schatz David A Wireless energy transfer using repeater resonators
JP2011523844A (ja) 2008-05-14 2011-08-18 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 干渉増大を含む無線エネルギー伝達装置及び方法

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AU2004241916A1 (en) * 2003-05-23 2004-12-02 Auckland Uniservices Limited Frequency controlled resonant converter
JP2008028791A (ja) * 2006-07-24 2008-02-07 Matsushita Electric Ind Co Ltd Ｅ級増幅器およびそれを用いたリーダライタならびに書類管理システム
JP4649430B2 (ja) * 2007-03-20 2011-03-09 セイコーエプソン株式会社 非接触電力伝送装置
JP4600453B2 (ja) * 2007-09-26 2010-12-15 セイコーエプソン株式会社 送電制御装置、送電装置、受電装置、無接点電力伝送システム、電子機器、２次コイル位置検出方法および１次コイルの位置決め方法
US8532724B2 (en) * 2008-09-17 2013-09-10 Qualcomm Incorporated Transmitters for wireless power transmission
JP5174628B2 (ja) * 2008-11-20 2013-04-03 オリンパス株式会社 電力供給装置
US8338991B2 (en) * 2009-03-20 2012-12-25 Qualcomm Incorporated Adaptive impedance tuning in wireless power transmission
EP2293438B1 (en) * 2009-09-07 2012-06-20 Nxp B.V. A switching amplifier
US8228027B2 (en) * 2009-10-13 2012-07-24 Multi-Fineline Electronix, Inc. Wireless power transmitter with multilayer printed circuit
US8772975B2 (en) * 2009-12-07 2014-07-08 Qualcomm Incorporated Apparatus and method for implementing a differential drive amplifier and a coil arrangement
JP2011155733A (ja) * 2010-01-26 2011-08-11 Equos Research Co Ltd 非接触送電システム、および非接触送電装置
KR101697364B1 (ko) * 2010-02-17 2017-01-17 삼성전자주식회사 공진 주파수 안정화 회로를 구비한 무선 전력 송수신 장치
JP5093386B2 (ja) * 2010-08-25 2012-12-12 株式会社村田製作所 送電装置および電力伝送システム
JP5670869B2 (ja) * 2010-12-22 2015-02-18 パナソニックＩｐマネジメント株式会社 無線電力伝送システム

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011523844A (ja) 2008-05-14 2011-08-18 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 干渉増大を含む無線エネルギー伝達装置及び方法
US20100277121A1 (en) 2008-09-27 2010-11-04 Hall Katherine L Wireless energy transfer between a source and a vehicle
US20110095618A1 (en) 2008-09-27 2011-04-28 Schatz David A Wireless energy transfer using repeater resonators
JP2010246248A (ja) 2009-04-05 2010-10-28 Kimitake Utsunomiya 機器内無線電力供給装置

Also Published As

Publication number Publication date
JP2016197990A (ja) 2016-11-24
EP2769454B1 (en) 2016-01-06
JP2015503311A (ja) 2015-01-29
KR20140080549A (ko) 2014-06-30
WO2013059300A2 (en) 2013-04-25
CN103959602B (zh) 2018-05-29
IN2014CN02821A (enExample) 2015-07-03
CN103959602A (zh) 2014-07-30
EP2769454A2 (en) 2014-08-27
WO2013059300A3 (en) 2013-06-20
JP6005170B2 (ja) 2016-10-12

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