JP2018521612A - 位相ずれフィールドを軽減するための方法および装置 - Google Patents

位相ずれフィールドを軽減するための方法および装置 Download PDF

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Publication number
JP2018521612A
JP2018521612A JP2017557085A JP2017557085A JP2018521612A JP 2018521612 A JP2018521612 A JP 2018521612A JP 2017557085 A JP2017557085 A JP 2017557085A JP 2017557085 A JP2017557085 A JP 2017557085A JP 2018521612 A JP2018521612 A JP 2018521612A
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Japan
Prior art keywords
magnetic field
coil
phase
power transmission
wireless power
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Pending
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JP2017557085A
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English (en)
Japanese (ja)
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JP2018521612A5 (enExample
Inventor
マーク・ホワイト・ザ・セカンド
ソン・ホン・ジョン
ウィリアム・ヘンリー・ヴォン・ノヴァク・ザ・サード
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クアルコム，インコーポレイテッド
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Publication of JP2018521612A publication Critical patent/JP2018521612A/ja
Publication of JP2018521612A5 publication Critical patent/JP2018521612A5/ja
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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
    • 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
    • H01F27/36—Electric or magnetic shields or screens
    • H01F27/363—Electric or magnetic shields or screens made of electrically conductive material
    • 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
    • H01F27/36—Electric or magnetic shields or screens
    • H01F27/366—Electric or magnetic shields or screens made of ferromagnetic material
    • 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
    • H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
    • 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
    • H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
    • 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
    • H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and 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
    • H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
    • 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
    • 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
    • H04B5/266—One coil at each side, e.g. with primary and secondary coils
    • 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
    • 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
    • H01F27/36—Electric or magnetic shields or screens

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
JP2017557085A 2015-05-04 2016-04-05 位相ずれフィールドを軽減するための方法および装置 Pending JP2018521612A (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201562156793P 2015-05-04 2015-05-04
US62/156,793 2015-05-04
US14/975,524 2015-12-18
US14/975,524 US10033226B2 (en) 2015-05-04 2015-12-18 Methods and apparatus for out of phase field mitigation
PCT/US2016/026037 WO2016178769A1 (en) 2015-05-04 2016-04-05 Methods and apparatus for out of phase field mitigation

Publications (2)

Publication Number Publication Date
JP2018521612A true JP2018521612A (ja) 2018-08-02
JP2018521612A5 JP2018521612A5 (enExample) 2019-04-25

Family

ID=55802469

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017557085A Pending JP2018521612A (ja) 2015-05-04 2016-04-05 位相ずれフィールドを軽減するための方法および装置

Country Status (5)

Country Link
US (1) US10033226B2 (enExample)
EP (1) EP3292635B1 (enExample)
JP (1) JP2018521612A (enExample)
CN (1) CN107534321B (enExample)
WO (1) WO2016178769A1 (enExample)

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US10224753B2 (en) 2015-05-27 2019-03-05 Qualcomm Incorporated Wireless power transfer using a field altering circuit
US10516304B2 (en) 2015-12-22 2019-12-24 Intel Corporation Wireless charging coil placement for reduced field exposure
US10411492B2 (en) * 2015-12-23 2019-09-10 Intel Corporation Wireless power transmitter shield with capacitors
US10566850B2 (en) * 2016-06-10 2020-02-18 Witricity Corporation Apparatus and methods for reducing magnetic field emissions between wireless power transmitters
WO2018085562A1 (en) * 2016-11-02 2018-05-11 KSR IP Holdings, LLC Duty cycle modulation for inductive position sensors
US10982975B2 (en) 2016-11-02 2021-04-20 KSR IP Holdings, LLC Duty cycle for inductive position sensors
DE102018103854A1 (de) * 2018-02-21 2019-08-22 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Ladeeinrichtung
US11482921B2 (en) * 2019-05-03 2022-10-25 Witricity Corporation Active harmonics cancellation
JP7753239B2 (ja) 2020-03-06 2025-10-14 ソレース・パワー・インコーポレイテッド ワイヤレス電力伝送用送信器、ワイヤレス電力伝送のシステムおよび方法
CN111731139B (zh) * 2020-05-19 2022-05-24 华为技术有限公司 无线充电的接收端、发射端、系统、控制方法及电动汽车
WO2023272745A1 (en) * 2021-07-02 2023-01-05 Abb Schweiz Ag Coreless planar coil and power transformer

Citations (9)

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JP2010283777A (ja) * 2009-06-08 2010-12-16 Toshiba Corp 複合アンテナ及びこれを用いた通信機器
US20120139356A1 (en) * 2010-11-04 2012-06-07 Hanrim Postech Co., Ltd. Device and method for controlling wireless power signal in wireless power transmission device
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
US20140125275A1 (en) * 2012-11-05 2014-05-08 Qualcomm Incorporated Systems and methods for forward link communication in wireless power systems
US20140246916A1 (en) * 2013-03-01 2014-09-04 Qualcomm Incorporated Active and adaptive field cancellation for wireless power systems
JP2014197930A (ja) * 2013-03-29 2014-10-16 株式会社エクォス・リサーチ 電力伝送システム
JP2014197931A (ja) * 2013-03-29 2014-10-16 株式会社エクォス・リサーチ 電力伝送システム
JP2014197932A (ja) * 2013-03-29 2014-10-16 株式会社エクォス・リサーチ 電力伝送システム
US20150115727A1 (en) * 2013-10-31 2015-04-30 Qualcomm Incorporated Systems, apparatus, and method for a dual mode wireless power receiver

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US9094057B2 (en) 2010-08-25 2015-07-28 Qualcomm Incorporated Parasitic circuit for device protection
US9093215B2 (en) 2012-05-07 2015-07-28 Qualcomm Incorporated Push-pull driver for generating a signal for wireless power transfer
US9697951B2 (en) * 2012-08-29 2017-07-04 General Electric Company Contactless power transfer system
KR102144360B1 (ko) 2012-12-05 2020-08-13 삼성전자주식회사 스마트 근거리무선통신 안테나 매칭 네트워크 시스템 및 그것을 포함한 유저 장치

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010283777A (ja) * 2009-06-08 2010-12-16 Toshiba Corp 複合アンテナ及びこれを用いた通信機器
US20120274521A1 (en) * 2009-06-08 2012-11-01 Kabushiki Kaisha Toshiba Complex antenna and communication device
US20120139356A1 (en) * 2010-11-04 2012-06-07 Hanrim Postech Co., Ltd. Device and method for controlling wireless power signal in wireless power transmission device
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
US20140125275A1 (en) * 2012-11-05 2014-05-08 Qualcomm Incorporated Systems and methods for forward link communication in wireless power systems
US20140246916A1 (en) * 2013-03-01 2014-09-04 Qualcomm Incorporated Active and adaptive field cancellation for wireless power systems
JP2016514447A (ja) * 2013-03-01 2016-05-19 クアルコム，インコーポレイテッド ワイヤレス電力システムのための能動的および適応的な場の消去
JP2014197930A (ja) * 2013-03-29 2014-10-16 株式会社エクォス・リサーチ 電力伝送システム
JP2014197931A (ja) * 2013-03-29 2014-10-16 株式会社エクォス・リサーチ 電力伝送システム
JP2014197932A (ja) * 2013-03-29 2014-10-16 株式会社エクォス・リサーチ 電力伝送システム
US20150115727A1 (en) * 2013-10-31 2015-04-30 Qualcomm Incorporated Systems, apparatus, and method for a dual mode wireless power receiver
JP2017501665A (ja) * 2013-10-31 2017-01-12 クアルコム，インコーポレイテッド デュアルモードワイヤレス電力受信機のためのシステム、装置、および方法

Also Published As

Publication number Publication date
CN107534321A (zh) 2018-01-02
US20160329748A1 (en) 2016-11-10
US10033226B2 (en) 2018-07-24
CN107534321B (zh) 2020-09-15
EP3292635A1 (en) 2018-03-14
WO2016178769A1 (en) 2016-11-10
EP3292635B1 (en) 2021-08-25

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