BR112018005325A2 - aparelhos e métodos para blindagem de um transmissor de potência sem fio - Google Patents

aparelhos e métodos para blindagem de um transmissor de potência sem fio

Info

Publication number
BR112018005325A2
BR112018005325A2 BR112018005325A BR112018005325A BR112018005325A2 BR 112018005325 A2 BR112018005325 A2 BR 112018005325A2 BR 112018005325 A BR112018005325 A BR 112018005325A BR 112018005325 A BR112018005325 A BR 112018005325A BR 112018005325 A2 BR112018005325 A2 BR 112018005325A2
Authority
BR
Brazil
Prior art keywords
sheet
methods
wireless power
metal
slots
Prior art date
Application number
BR112018005325A
Other languages
English (en)
Inventor
Heon Jeong Seong
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR112018005325A2 publication Critical patent/BR112018005325A2/pt

Links

Classifications

    • 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
    • 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
    • H02J50/70—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
    • 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)
  • Near-Field Transmission Systems (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Aerials With Secondary Devices (AREA)

Abstract

métodos e aparelhos são divulgados para transmissão de potência de forma sem fio. em um aspecto, é provido um aparelho para transmissão de potência sem fio. o aparelho compreende uma primeira folha de metal com uma forma que define uma pluralidade de fendas, a pluralidade de fendas se estendendo para dentro a partir da periferia da primeira folha de metal. o aparelho compreende ainda uma bobina configurada para gerar um campo magnético suficiente para carregar ou alimentar uma carga, em que a primeira folha de metal se estende sobre uma largura e um comprimento da bobina, e em que a pluralidade de fendas está configurada para, pelo menos parcialmente, cancelar correntes parasitas geradas na primeira folha de metal através do campo magnético.
BR112018005325A 2015-09-17 2016-09-02 aparelhos e métodos para blindagem de um transmissor de potência sem fio BR112018005325A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201562219932P 2015-09-17 2015-09-17
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
BR112018005325A2 true BR112018005325A2 (pt) 2018-10-09

Family

ID=58283370

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018005325A BR112018005325A2 (pt) 2015-09-17 2016-09-02 aparelhos e métodos para blindagem de um transmissor de potência sem fio

Country Status (7)

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

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US10892646B2 (en) 2016-12-09 2021-01-12 Nucurrent, Inc. Method of fabricating an antenna 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
US20220368169A1 (en) * 2019-06-18 2022-11-17 AMOSENSE Co.,Ltd. Magnetic field shielding sheet and manufacturing method thereof
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
WO2023243965A1 (ko) * 2022-06-16 2023-12-21 주식회사 하이딥 터치 입력 장치
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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JP5890191B2 (ja) 2012-02-06 2016-03-22 トヨタ自動車株式会社 送電装置、受電装置、および電力伝送システム
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Also Published As

Publication number Publication date
US20170085134A1 (en) 2017-03-23
JP2018537840A (ja) 2018-12-20
CN108028551B (zh) 2022-01-28
WO2017048535A1 (en) 2017-03-23
KR20180052740A (ko) 2018-05-18
CN108028551A (zh) 2018-05-11
US10181757B2 (en) 2019-01-15
EP3350903A1 (en) 2018-07-25

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Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements