FI20030392A - Förfarande och anordning för mätning av en flerkanalssignal - Google Patents

Förfarande och anordning för mätning av en flerkanalssignal Download PDF

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Publication number
FI20030392A
FI20030392A FI20030392A FI20030392A FI20030392A FI 20030392 A FI20030392 A FI 20030392A FI 20030392 A FI20030392 A FI 20030392A FI 20030392 A FI20030392 A FI 20030392A FI 20030392 A FI20030392 A FI 20030392A
Authority
FI
Finland
Prior art keywords
irrotational
vector field
sourceless
sourceless vector
well
Prior art date
Application number
FI20030392A
Other languages
English (en)
Finnish (fi)
Other versions
FI20030392A0 (sv
FI115324B (sv
Inventor
Juha Simola
Martti Kajola
Samu Taulu
Original Assignee
Elekta Neuromag Oy
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 Elekta Neuromag Oy filed Critical Elekta Neuromag Oy
Priority to FI20030392A priority Critical patent/FI115324B/sv
Publication of FI20030392A0 publication Critical patent/FI20030392A0/sv
Priority to PCT/FI2004/000144 priority patent/WO2004081595A1/en
Priority to AT04719479T priority patent/ATE556328T1/de
Priority to EP04719479A priority patent/EP1606639B1/en
Priority to CA2518674A priority patent/CA2518674C/en
Priority to JP2006505618A priority patent/JP5014783B2/ja
Publication of FI20030392A publication Critical patent/FI20030392A/sv
Application granted granted Critical
Publication of FI115324B publication Critical patent/FI115324B/sv
Priority to US11/220,415 priority patent/US7463024B2/en

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Measuring Magnetic Variables (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
FI20030392A 2003-03-14 2003-03-14 Förfarande och system för behandling av en flerkanalsmätsignal FI115324B (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FI20030392A FI115324B (sv) 2003-03-14 2003-03-14 Förfarande och system för behandling av en flerkanalsmätsignal
PCT/FI2004/000144 WO2004081595A1 (en) 2003-03-14 2004-03-11 Method and system for processing a multi-channel measurement of magnetic fields
AT04719479T ATE556328T1 (de) 2003-03-14 2004-03-11 Verfahren und system zur verarbeitung einer mehrkanalmessung von magnetfeldern
EP04719479A EP1606639B1 (en) 2003-03-14 2004-03-11 Method and system for processing a multi-channel measurement of magnetic fields
CA2518674A CA2518674C (en) 2003-03-14 2004-03-11 Method and system for processing a multi-channel measurement of magnetic fields
JP2006505618A JP5014783B2 (ja) 2003-03-14 2004-03-11 磁場のマルチチャネル測定値を処理するための方法とデバイス
US11/220,415 US7463024B2 (en) 2003-03-14 2005-09-07 Method and device for processing a multi-channel measurement of magnetic fields

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20030392 2003-03-14
FI20030392A FI115324B (sv) 2003-03-14 2003-03-14 Förfarande och system för behandling av en flerkanalsmätsignal

Publications (3)

Publication Number Publication Date
FI20030392A0 FI20030392A0 (sv) 2003-03-14
FI20030392A true FI20030392A (sv) 2004-09-15
FI115324B FI115324B (sv) 2005-04-15

Family

ID=8565816

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20030392A FI115324B (sv) 2003-03-14 2003-03-14 Förfarande och system för behandling av en flerkanalsmätsignal

Country Status (7)

Country Link
US (1) US7463024B2 (sv)
EP (1) EP1606639B1 (sv)
JP (1) JP5014783B2 (sv)
AT (1) ATE556328T1 (sv)
CA (1) CA2518674C (sv)
FI (1) FI115324B (sv)
WO (1) WO2004081595A1 (sv)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI118577B (sv) * 2004-02-13 2007-12-31 Elekta Ab Förfarande för att skydda mätanordning mot störningar
FI119133B (sv) * 2005-04-28 2008-07-31 Elekta Ab Förfarande och anordning för eliminering av störningar under elektromagnetisk flerkanalmätning
JP5361131B2 (ja) * 2007-01-03 2013-12-04 エレクタ アクチボラゲット 直交仮想チャネルを使用したマルチチャネル測定データの分析
WO2011010243A1 (en) * 2009-07-20 2011-01-27 Koninklijke Philips Electronics N.V. Apparatus and method for influencing and/or detecting magnetic particles
FI124427B (sv) 2010-07-06 2014-08-29 Elekta Ab Förfarande för precisering av störrymd i biomagnetiska fältmätningar
FI125397B (sv) * 2012-01-24 2015-09-30 Elekta Ab Förfarande för användning av spatial och temporal översampling i flerkanaliga mätningar
US9769586B2 (en) * 2013-05-29 2017-09-19 Qualcomm Incorporated Performing order reduction with respect to higher order ambisonic coefficients
US9922656B2 (en) 2014-01-30 2018-03-20 Qualcomm Incorporated Transitioning of ambient higher-order ambisonic coefficients
US10770087B2 (en) 2014-05-16 2020-09-08 Qualcomm Incorporated Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
US20180306874A1 (en) * 2016-01-07 2018-10-25 University Of Florida Research Foundation, Inc. Constructing a map of a multidimensional field using measurement data from one dimension of the field
JP6996135B2 (ja) 2017-07-03 2022-01-17 株式会社リコー 情報処理装置、情報処理方法、及びプログラム
EP3684463A4 (en) 2017-09-19 2021-06-23 Neuroenhancement Lab, LLC NEURO-ACTIVATION PROCESS AND APPARATUS
US11717686B2 (en) 2017-12-04 2023-08-08 Neuroenhancement Lab, LLC Method and apparatus for neuroenhancement to facilitate learning and performance
US11478603B2 (en) 2017-12-31 2022-10-25 Neuroenhancement Lab, LLC Method and apparatus for neuroenhancement to enhance emotional response
US11364361B2 (en) 2018-04-20 2022-06-21 Neuroenhancement Lab, LLC System and method for inducing sleep by transplanting mental states
WO2020040168A1 (ja) * 2018-08-22 2020-02-27 旭化成エレクトロニクス株式会社 磁場計測装置、磁場計測方法、磁場計測プログラム
EP3849410A4 (en) 2018-09-14 2022-11-02 Neuroenhancement Lab, LLC SLEEP ENHANCEMENT SYSTEM AND METHOD
CN109725268B (zh) * 2018-12-10 2021-01-05 北京卫星环境工程研究所 航天器磁信息高效测量系统及测量方法
JP6936405B2 (ja) * 2018-12-26 2021-09-15 旭化成エレクトロニクス株式会社 磁場計測装置
US11497425B2 (en) 2019-03-08 2022-11-15 Asahi Kasei Microdevices Corporation Magnetic field measurement apparatus
US11786694B2 (en) 2019-05-24 2023-10-17 NeuroLight, Inc. Device, method, and app for facilitating sleep
US11454679B2 (en) * 2020-01-20 2022-09-27 Asahi Kasei Microdevices Corporation Magnetic field measuring apparatus, magnetic field measuring method and recording medium with magnetic field measuring program recorded thereon
FI129474B (sv) 2020-06-25 2022-03-15 Megin Oy Magnetoencefalografianordning och förfarande
JP2022111838A (ja) * 2021-01-20 2022-08-01 旭化成エレクトロニクス株式会社 磁場計測装置、磁場計測方法、磁場計測プログラム

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4492923A (en) * 1982-06-21 1985-01-08 The United States Of America As Represented By The Secretary Of The Navy Apparatus for measuring the spatial scalar variation of a magnetic field with vector magnetic sensors on a moderately stable moving platform
US5020538A (en) * 1988-08-12 1991-06-04 Sam Technology, Inc. Low noise magnetoencephalogram system and method
US4977896A (en) * 1989-05-26 1990-12-18 Biomagnetic Technologies, Inc. Analysis of biological signals using data from arrays of sensors
EP0443069A1 (de) * 1990-02-22 1991-08-28 Siemens Aktiengesellschaft Verfahren zur Messung des Feldmusters elektrischer oder magnetischer Felder mit Hilfe einer Sensoranordnung
US5187436A (en) * 1992-03-13 1993-02-16 General Electric Company Noise cancellation method in a biomagnetic measurement system using an extrapolated reference measurement
JPH06189927A (ja) * 1992-10-19 1994-07-12 Hitachi Ltd 生体電流分布の推定装置および推定方法
FI98337C (sv) 1992-11-30 1997-06-10 Risto Juhani Ilmoniemi Förfarande och anordning för separering av olika komponenter av hjärnans impulssvar och spontanfunktion samt signaler mätta från hjärtat
JP3291858B2 (ja) * 1993-08-26 2002-06-17 株式会社島津製作所 磁気検出装置
DE4439691A1 (de) * 1994-11-07 1996-05-09 Philips Patentverwaltung Verfahren zur Bestimmung der räumlichen Feldverteilung
JP2833506B2 (ja) * 1995-02-22 1998-12-09 株式会社島津製作所 磁気検出装置
US5657756A (en) 1995-06-07 1997-08-19 Ctf Systems Inc. Method and systems for obtaining higher order gradiometer measurements with lower order gradiometers
FI112399B (sv) * 1998-08-28 2003-11-28 Neuromag Oy Förfarande och anordning för eliminering av bakgrundsstörning från flerkanaliga detektoranordningar
JP4068763B2 (ja) * 1999-06-21 2008-03-26 株式会社島津製作所 生体信号計測装置

Also Published As

Publication number Publication date
JP5014783B2 (ja) 2012-08-29
JP2006520892A (ja) 2006-09-14
EP1606639A1 (en) 2005-12-21
FI20030392A0 (sv) 2003-03-14
US20060031038A1 (en) 2006-02-09
ATE556328T1 (de) 2012-05-15
CA2518674C (en) 2019-04-16
FI115324B (sv) 2005-04-15
US7463024B2 (en) 2008-12-09
EP1606639B1 (en) 2012-05-02
CA2518674A1 (en) 2004-09-23
WO2004081595A1 (en) 2004-09-23

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