KR20180052740A - 무선 전력 송신기를 차폐하는 장치 및 방법 - Google Patents

무선 전력 송신기를 차폐하는 장치 및 방법 Download PDF

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Publication number
KR20180052740A
KR20180052740A KR1020187010568A KR20187010568A KR20180052740A KR 20180052740 A KR20180052740 A KR 20180052740A KR 1020187010568 A KR1020187010568 A KR 1020187010568A KR 20187010568 A KR20187010568 A KR 20187010568A KR 20180052740 A KR20180052740 A KR 20180052740A
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KR
South Korea
Prior art keywords
metal sheet
coil
slots
power
load
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KR1020187010568A
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English (en)
Korean (ko)
Inventor
성헌 정
Original Assignee
퀄컴 인코포레이티드
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Publication of KR20180052740A publication Critical patent/KR20180052740A/ko
Withdrawn legal-status Critical Current

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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
    • H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • 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
    • H01F27/361—Electric or magnetic shields or screens made of combinations of electrically conductive material and ferromagnetic material
    • H01F27/362—
    • H01F27/365—
    • 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
    • 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
    • H02J50/60—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
    • H02J50/80—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
    • H02J7/025—
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0213—Electrical arrangements not otherwise provided for
    • H05K1/0216—Reduction of cross-talk, noise or electromagnetic interference
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0213—Electrical arrangements not otherwise provided for
    • H05K1/0216—Reduction of cross-talk, noise or electromagnetic interference
    • H05K1/0218—Reduction of cross-talk, noise or electromagnetic interference by printed shielding conductors, ground planes or power plane
    • H05K1/0224—Patterned shielding planes, ground planes or power planes
    • H05K1/0227—Split or nearly split shielding or ground planes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/16—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
    • H05K1/165—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor incorporating printed inductors
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0073—Shielding materials
    • H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
    • 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
    • H01F2027/348—Preventing eddy currents
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0213—Electrical arrangements not otherwise provided for
    • H05K1/0237—High frequency adaptations
    • H05K1/0239—Signal transmission by AC coupling
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09—Shape and layout
    • H05K2201/09209—Shape and layout details of conductors
    • H05K2201/09654—Shape and layout details of conductors covering at least two types of conductors provided for in H05K2201/09218 - H05K2201/095
    • H05K2201/09672—Superposed layout, i.e. in different planes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Composite Materials (AREA)
  • Chemical & Material Sciences (AREA)
  • Signal Processing (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Aerials With Secondary Devices (AREA)
  • Near-Field Transmission Systems (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
KR1020187010568A 2015-09-17 2016-09-02 무선 전력 송신기를 차폐하는 장치 및 방법 Withdrawn KR20180052740A (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201562219932P 2015-09-17 2015-09-17
US62/219,932 2015-09-17
US15/155,585 2016-05-16
US15/155,585 US10181757B2 (en) 2015-09-17 2016-05-16 Apparatus and methods for shielding a wireless power transmitter
PCT/US2016/050130 WO2017048535A1 (en) 2015-09-17 2016-09-02 Apparatus and methods for shielding a wireless power transmitter

Publications (1)

Publication Number Publication Date
KR20180052740A true KR20180052740A (ko) 2018-05-18

Family

ID=58283370

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020187010568A Withdrawn KR20180052740A (ko) 2015-09-17 2016-09-02 무선 전력 송신기를 차폐하는 장치 및 방법

Country Status (7)

Country Link
US (1) US10181757B2 (enExample)
EP (1) EP3350903A1 (enExample)
JP (1) JP2018537840A (enExample)
KR (1) KR20180052740A (enExample)
CN (1) CN108028551B (enExample)
BR (1) BR112018005325A2 (enExample)
WO (1) WO2017048535A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
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WO2023243965A1 (ko) * 2022-06-16 2023-12-21 주식회사 하이딥 터치 입력 장치

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WO2015171910A1 (en) * 2014-05-07 2015-11-12 Witricity Corporation Foreign object detection in wireless energy transfer systems
SE1550340A1 (sv) * 2015-03-23 2016-06-21 Nok9 Ab A testing device for wireless power transfer, and an associated method
US10432032B2 (en) 2016-12-09 2019-10-01 Nucurrent, Inc. Wireless system having a substrate configured to facilitate through-metal energy transfer via near field magnetic coupling
CN107300956B (zh) * 2017-07-03 2020-05-19 英业达科技有限公司 噪声抑制组件及具有此噪声抑制组件的主机板
US11270824B2 (en) * 2018-01-12 2022-03-08 Scooch, LLC Ferromagnetic accessories for a handheld device
KR102068159B1 (ko) * 2018-02-27 2020-01-20 (주)파트론 전자 장치
US10855118B2 (en) 2018-06-22 2020-12-01 Apple Inc. Electric shielding structures
CN110060981B (zh) * 2019-03-27 2024-05-31 海宁利伊电子科技有限公司 基于人工表面等离子体的电磁干扰辐射抑制结构
JP7357392B2 (ja) * 2019-06-18 2023-10-06 アモセンス・カンパニー・リミテッド 磁場遮蔽シートおよびこの製造方法
NL2023959B1 (en) * 2019-10-03 2021-06-01 Prodrive Tech Bv Shielded inductive power transfer systems
CN110753438B (zh) * 2019-11-02 2020-11-10 中国原子能科学研究院 一种束流线磁铁屏蔽装置和屏蔽方法
CN116033646B (zh) * 2022-07-15 2023-11-24 荣耀终端有限公司 Pcb组件及电子设备

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JPWO2007080820A1 (ja) * 2006-01-12 2009-06-11 株式会社東芝 受電装置とそれを用いた電子機器および非接触充電装置
JP4478135B2 (ja) * 2006-11-17 2010-06-09 株式会社タムラ製作所 アンテナコイル
JP2012527813A (ja) 2009-05-20 2012-11-08 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 超薄遮蔽層をもつ誘導型受信コイルを有する電子装置及び方法
CN102074987A (zh) * 2010-12-31 2011-05-25 科翔电子(深圳)有限公司 便携式通讯设备无线感应充电装置及充电方法
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Also Published As

Publication number Publication date
CN108028551A (zh) 2018-05-11
CN108028551B (zh) 2022-01-28
WO2017048535A1 (en) 2017-03-23
EP3350903A1 (en) 2018-07-25
US10181757B2 (en) 2019-01-15
US20170085134A1 (en) 2017-03-23
BR112018005325A2 (pt) 2018-10-09
JP2018537840A (ja) 2018-12-20

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Date Code Title Description
PA0105 International application

Patent event date: 20180413

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination