AU2001235872A1 - Screens for rf magnetic flux - Google Patents

Screens for rf magnetic flux

Info

Publication number: AU2001235872A1
Authority: AU; Australia
Prior art keywords: screens; magnetic flux; flux; magnetic
Prior art date: 2000-03-06
Legal status (The legal status 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 status listed.): Abandoned

Application number

AU2001235872A

Other languages

English (en)

Inventor

Michael Charles Keogh Wiltshire

Ian Robert Young

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Marconi Optical Components Ltd

Original Assignee

Marconi Caswell Ltd

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.)

2000-03-06

Filing date

2001-03-06

Publication date

2001-09-17

2001-03-06 Application filed by Marconi Caswell Ltd filed Critical Marconi Caswell Ltd

2001-09-17 Publication of AU2001235872A1 publication Critical patent/AU2001235872A1/en

Status Abandoned legal-status Critical Current

Classifications

- 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
- H05K9/0075—Magnetic shielding materials
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems

Landscapes

Engineering & Computer Science (AREA)
Microelectronics & Electronic Packaging (AREA)
Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

AU2001235872A 2000-03-06 2001-03-06 Screens for rf magnetic flux Abandoned AU2001235872A1 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
GB0005352A GB2360138A (en)	2000-03-06	2000-03-06	Screens for RF magnetic flux
GB0005352		2000-03-06
PCT/GB2001/000968 WO2001067553A1 (fr)	2000-03-06	2001-03-06	Ecrans anti-flux magnetique h.f.

Publications (1)

Publication Number	Publication Date
AU2001235872A1 true AU2001235872A1 (en)	2001-09-17

Family

ID=9887047

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU2001235872A Abandoned AU2001235872A1 (en)	2000-03-06	2001-03-06	Screens for rf magnetic flux

Country Status (8)

Country	Link
US (1)	US6768051B2 (fr)
EP (1)	EP1264368A1 (fr)
JP (1)	JP2003526928A (fr)
KR (1)	KR100831800B1 (fr)
CN (1)	CN100469230C (fr)
AU (1)	AU2001235872A1 (fr)
GB (1)	GB2360138A (fr)
WO (1)	WO2001067553A1 (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2360137A (en) *	2000-03-06	2001-09-12	Marconi Caswell Ltd	Guides for RF magnetic flux
GB2360093A (en) *	2000-03-06	2001-09-12	Marconi Caswell Ltd	NMR system with magnetic flux guide
GB2363845A (en) *	2000-06-21	2002-01-09	Marconi Caswell Ltd	Focussing RF flux
GB2380860A (en) *	2001-10-08	2003-04-16	Marconi Caswell Ltd	Structures with magnetic properties
DE102007014135B4 (de) *	2007-03-23	2010-11-11	Siemens Aktiengesellschaft	Magnetresonanzanlage mit Hochfrequenzschirm mit frequenzabhängiger Schirmwirkung
US8982507B2 (en)	2010-09-10	2015-03-17	Seagate Technology Llc	Magnetic flux barrier
US8736136B2 (en) *	2011-02-16	2014-05-27	Toyota Motor Engineering & Manufacturing North America, Inc.	Magnetic field manipulation in switched reluctance motors and design method
US8736128B2 (en) *	2011-08-10	2014-05-27	Toyota Motor Engineering & Manufacturing North America, Inc.	Three dimensional magnetic field manipulation in electromagnetic devices
KR101209979B1 (ko) *	2011-10-24	2012-12-07	엘지이노텍 주식회사	차폐장치 및 무선전력 송신장치
JP6044021B2 (ja) *	2012-03-21	2016-12-14	国立大学法人東北大学	ノイズ抑制部材
GB2500719B (en) *	2012-03-30	2017-05-31	Medical Wireless Sensing Ltd	Coupling electromagnetic radiation into a target
ITRM20120569A1 (it)	2012-11-16	2014-05-17	Univ Roma La Sapienza	Dispositivo assorbitore di onde elettromagnetiche a frequenza di assorbimento regolabile
GB2523741A (en)	2014-02-26	2015-09-09	Medical Wireless Sensing Ltd	Sensor
US10044232B2 (en)	2014-04-04	2018-08-07	Apple Inc.	Inductive power transfer using acoustic or haptic devices
US10135303B2 (en)	2014-05-19	2018-11-20	Apple Inc.	Operating a wireless power transfer system at multiple frequencies
HK1253268A1 (zh)	2015-09-24	2019-06-14	苹果公司	可配置的无线发射器设备
US10790699B2 (en)	2015-09-24	2020-09-29	Apple Inc.	Configurable wireless transmitter device
US10477741B1 (en) *	2015-09-29	2019-11-12	Apple Inc.	Communication enabled EMF shield enclosures
US10651685B1 (en)	2015-09-30	2020-05-12	Apple Inc.	Selective activation of a wireless transmitter device
US10734840B2 (en)	2016-08-26	2020-08-04	Apple Inc.	Shared power converter for a wireless transmitter device
US10594160B2 (en)	2017-01-11	2020-03-17	Apple Inc.	Noise mitigation in wireless power systems
CN107148206B (zh) *	2017-05-12	2019-05-14	国网上海市电力公司	一种屏蔽极低频磁场的矩形截面金属屏蔽槽设计方法
CN107135636B (zh) *	2017-05-12	2019-04-16	国网上海市电力公司	一种屏蔽极低频磁场的正方形截面金属屏蔽槽设计方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB234685A (en)	1924-09-12	1925-06-04	Timken Roller Bearing Co	Improvements in and relating to roller grinding machines
US5223849A (en) *	1986-11-25	1993-06-29	Chomerics, Inc.	Broadband electromagnetic energy absorber
JPH03166809A (ja) *	1989-11-27	1991-07-18	Mitsubishi Materials Corp	π型ＥＭＩフィルターネットワーク
CA2006481C (fr) *	1989-12-19	1999-09-21	Adrian W. Alden	Systeme a faible bruit pour la reception et la conversion de signaux electromagnetiques a double polarisation
US5760584A (en) *	1996-08-16	1998-06-02	General Electric Company	Shield for MR system RF coil provided with multiple capacitive channels for RF current flow
US6262495B1 (en) *	1998-03-30	2001-07-17	The Regents Of The University Of California	Circuit and method for eliminating surface currents on metals
GB9900034D0 (en) *	1999-01-04	1999-02-24	Marconi Electronic Syst Ltd	Structure with magnetic properties
GB2360094A (en)	2000-03-06	2001-09-12	Marconi Caswell Ltd	RF screens for MRI
GB2360132B (en)	2000-03-06	2002-04-24	Marconi Caswell Ltd	Structure with switchable magnetic properties

2000
- 2000-03-06 GB GB0005352A patent/GB2360138A/en not_active Withdrawn
2001
- 2001-03-06 CN CNB018091229A patent/CN100469230C/zh not_active Expired - Fee Related
- 2001-03-06 WO PCT/GB2001/000968 patent/WO2001067553A1/fr not_active Ceased
- 2001-03-06 AU AU2001235872A patent/AU2001235872A1/en not_active Abandoned
- 2001-03-06 JP JP2001566221A patent/JP2003526928A/ja active Pending
- 2001-03-06 US US10/220,737 patent/US6768051B2/en not_active Expired - Lifetime
- 2001-03-06 KR KR1020027011711A patent/KR100831800B1/ko not_active Expired - Fee Related
- 2001-03-06 EP EP01908011A patent/EP1264368A1/fr not_active Ceased

Also Published As

Publication number	Publication date
KR20020087072A (ko)	2002-11-21
CN1618145A (zh)	2005-05-18
GB2360138A (en)	2001-09-12
EP1264368A1 (fr)	2002-12-11
US20030146802A1 (en)	2003-08-07
JP2003526928A (ja)	2003-09-09
KR100831800B1 (ko)	2008-05-28
WO2001067553A1 (fr)	2001-09-13
CN100469230C (zh)	2009-03-11
GB0005352D0 (en)	2000-04-26
US6768051B2 (en)	2004-07-27

Publication	Publication Date	Title
AU2001235872A1 (en)	2001-09-17	Screens for rf magnetic flux
AU2001289895A1 (en)	2002-04-02	Magnet coil
AU2002227276A1 (en)	2002-06-24	Accelerated magnetic resonance imaging
AU2001277065A1 (en)	2002-06-11	Ferrite core
AU2001274300A1 (en)	2002-01-14	Material having magnetic permeability at r.f. frequency
AU5441100A (en)	2000-12-05	Magnetically equivalent rf coil arrays
AU2001278039A1 (en)	2002-02-13	Flexureless magnetic micromirror assembly
AU2002210953A1 (en)	2002-07-01	Choke coil
AU2001261562A1 (en)	2001-11-26	Magnetic carrier particles
EP1184673A3 (fr)	2004-04-28	Ensemble de bobines r.f
AU7797400A (en)	2001-06-12	Method for making ferrite magnets
AU2001259756A1 (en)	2001-11-26	Magnetic carrier particles
EP1150133A3 (fr)	2004-03-31	Bobine r.f. pour IRM
AU2002346619A1 (en)	2003-06-17	Flux shunt wave shape control arrangement for permanent magnet machines
AU2001244361A1 (en)	2001-10-30	Magnetic filter
AU2002331757A1 (en)	2003-03-18	Magnetic checkpoint
SG94862A1 (en)	2003-03-18	Magnetic disk apparatus
AU2002366419A1 (en)	2003-06-30	Gradient coil arrangement
AU2002316293A1 (en)	2003-01-02	Magnetic shield
AU2001293749A1 (en)	2002-03-22	Magnetic component
AU2001290084A1 (en)	2002-04-02	Magnetic separator
AU2001277240A1 (en)	2002-03-04	Pattern-block flux deposition
AUPQ903300A0 (en)	2000-08-17	Simply magnetic
AUPQ906600A0 (en)	2000-08-24	Magnetic sorbents
AU2002303015A1 (en)	2003-02-17	Magnetic core for inductor