CN103959602B - 用于对无源负载的静态或动态调整的负载阻抗检测 - Google Patents

用于对无源负载的静态或动态调整的负载阻抗检测 Download PDF

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Publication number
CN103959602B
CN103959602B CN201280059031.3A CN201280059031A CN103959602B CN 103959602 B CN103959602 B CN 103959602B CN 201280059031 A CN201280059031 A CN 201280059031A CN 103959602 B CN103959602 B CN 103959602B
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China
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characteristic
load
voltage
circuit
threshold
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CN201280059031.3A
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Chinese (zh)
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CN103959602A (zh
Inventor
科迪·B·惠尔兰德
瑞安·曾
威廉·H·范诺瓦克
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Qualcomm Inc
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Qualcomm Inc
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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)
CN201280059031.3A 2011-10-21 2012-10-17 用于对无源负载的静态或动态调整的负载阻抗检测 Active CN103959602B (zh)

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
CN103959602A CN103959602A (zh) 2014-07-30
CN103959602B true CN103959602B (zh) 2018-05-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201280059031.3A Active CN103959602B (zh) 2011-10-21 2012-10-17 用于对无源负载的静态或动态调整的负载阻抗检测

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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EP3072212A4 (en) * 2013-11-11 2017-04-26 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
KR102432604B1 (ko) * 2018-03-08 2022-08-16 가부시키가이샤 무라타 세이사쿠쇼 멀티플렉서, 고주파 프런트엔드 회로 및 통신 장치
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

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EP2293438A1 (en) * 2009-09-07 2011-03-09 Nxp B.V. A switching amplifier
CN102150340A (zh) * 2008-09-17 2011-08-10 高通股份有限公司 用于无线功率发射的发射器

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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
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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JP2010246248A (ja) 2009-04-05 2010-10-28 Kimitake Utsunomiya 機器内無線電力供給装置
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Publication number Priority date Publication date Assignee Title
CN102150340A (zh) * 2008-09-17 2011-08-10 高通股份有限公司 用于无线功率发射的发射器
EP2293438A1 (en) * 2009-09-07 2011-03-09 Nxp B.V. A switching amplifier

Also Published As

Publication number Publication date
WO2013059300A2 (en) 2013-04-25
JP2015503311A (ja) 2015-01-29
WO2013059300A3 (en) 2013-06-20
CN103959602A (zh) 2014-07-30
EP2769454B1 (en) 2016-01-06
JP2016197990A (ja) 2016-11-24
EP2769454A2 (en) 2014-08-27
KR20140080549A (ko) 2014-06-30
KR101612654B1 (ko) 2016-04-14
IN2014CN02821A (enExample) 2015-07-03
JP6005170B2 (ja) 2016-10-12

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