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FI20050445L - Förfarande och anordning för eliminering av störningar under elektromagnetisk flerkanlmätning - Google Patents

Förfarande och anordning för eliminering av störningar under elektromagnetisk flerkanlmätning Download PDF

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Publication number
FI20050445L
FI20050445L FI20050445A FI20050445A FI20050445L FI 20050445 L FI20050445 L FI 20050445L FI 20050445 A FI20050445 A FI 20050445A FI 20050445 A FI20050445 A FI 20050445A FI 20050445 L FI20050445 L FI 20050445L
Authority
FI
Finland
Prior art keywords
channel measurement
eliminating interference
electromagnetic multi
electromagnetic
eliminating
Prior art date
Application number
FI20050445A
Other languages
English (en)
Finnish (fi)
Other versions
FI119133B (sv
FI20050445A0 (sv
Inventor
Juha Simola
Samu Taulu
Original Assignee
Elekta Ab
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 Ab filed Critical Elekta Ab
Priority to FI20050445A priority Critical patent/FI119133B/sv
Publication of FI20050445A0 publication Critical patent/FI20050445A0/sv
Priority to JP2008508241A priority patent/JP4875696B2/ja
Priority to PCT/FI2006/000127 priority patent/WO2006114473A1/en
Priority to EP06725888.9A priority patent/EP1880226B1/en
Priority to US11/912,764 priority patent/US7933727B2/en
Priority to CA2606959A priority patent/CA2606959C/en
Publication of FI20050445L publication Critical patent/FI20050445L/sv
Application granted granted Critical
Publication of FI119133B publication Critical patent/FI119133B/sv

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/242—Detecting biomagnetic fields, e.g. magnetic fields produced by bioelectric currents
    • A61B5/245—Detecting biomagnetic fields, e.g. magnetic fields produced by bioelectric currents specially adapted for magnetoencephalographic [MEG] signals
    • 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
    • G01R33/025—Compensating stray fields

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
FI20050445A 2005-04-28 2005-04-28 Förfarande och anordning för eliminering av störningar under elektromagnetisk flerkanalmätning FI119133B (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI20050445A FI119133B (sv) 2005-04-28 2005-04-28 Förfarande och anordning för eliminering av störningar under elektromagnetisk flerkanalmätning
JP2008508241A JP4875696B2 (ja) 2005-04-28 2006-04-21 電磁気的な多チャネル測定において干渉を抑制するための方法及び装置
PCT/FI2006/000127 WO2006114473A1 (en) 2005-04-28 2006-04-21 Method and device for interference suppression in electromagnetic multi-channel measurement
EP06725888.9A EP1880226B1 (en) 2005-04-28 2006-04-21 Method and device for interference suppression in electromagnetic multi-channel measurement
US11/912,764 US7933727B2 (en) 2005-04-28 2006-04-21 Method and device for interference suppression in electromagnetic multi-channel measurement
CA2606959A CA2606959C (en) 2005-04-28 2006-04-21 Method and device for interference suppression in electromagnetic multi-channel measurement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20050445A FI119133B (sv) 2005-04-28 2005-04-28 Förfarande och anordning för eliminering av störningar under elektromagnetisk flerkanalmätning
FI20050445 2005-04-28

Publications (3)

Publication Number Publication Date
FI20050445A0 FI20050445A0 (sv) 2005-04-28
FI20050445L true FI20050445L (sv) 2006-10-29
FI119133B FI119133B (sv) 2008-07-31

Family

ID=34508130

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20050445A FI119133B (sv) 2005-04-28 2005-04-28 Förfarande och anordning för eliminering av störningar under elektromagnetisk flerkanalmätning

Country Status (6)

Country Link
US (1) US7933727B2 (sv)
EP (1) EP1880226B1 (sv)
JP (1) JP4875696B2 (sv)
CA (1) CA2606959C (sv)
FI (1) FI119133B (sv)
WO (1) WO2006114473A1 (sv)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012004458A1 (en) 2010-07-06 2012-01-12 Elekta Ab (Publ). Method for adjusting interference signal space in bio-magnetic field measurements

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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
KR101047131B1 (ko) 2008-12-29 2011-07-06 한국항공우주연구원 다채널 신호조절 회로의 교정데이터 자동생성 장치
US8600480B2 (en) * 2009-12-31 2013-12-03 Mediguide Ltd. System and method for assessing interference to a signal caused by a magnetic field
FI124019B (sv) * 2010-03-26 2014-02-14 Elekta Ab Förfarande för konstruering av spolsystem för att bilda magnetfält av önskad geometri
WO2013040497A2 (en) * 2011-09-15 2013-03-21 University Of Washington Through Its Center For Commercialization Systems and methods for sensing environmental changes using light sources as sensors
CN105212895B (zh) * 2015-08-24 2019-01-15 中国科学院苏州生物医学工程技术研究所 动态脑磁源定位方法
GB2546520B (en) * 2016-01-21 2022-04-06 Qinetiq Ltd Method for identifying an adverse EMI environment
US11540778B2 (en) 2016-05-26 2023-01-03 University Of Washington Reducing sensor noise in multichannel arrays using oversampled temporal projection and associated systems and methods
US11051737B2 (en) 2017-05-19 2021-07-06 Ricoh Company, Ltd. Biomagnetic measurement method, biomagnetic measuring device, and biomagnetic measuring system
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
EP3684463B1 (en) 2017-09-19 2025-05-14 Neuroenhancement Lab, LLC Method and apparatus for neuroenhancement
US11717686B2 (en) 2017-12-04 2023-08-08 Neuroenhancement Lab, LLC Method and apparatus for neuroenhancement to facilitate learning and performance
US12280219B2 (en) 2017-12-31 2025-04-22 NeuroLight, Inc. Method and apparatus for neuroenhancement to enhance emotional response
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
JP6664568B1 (ja) 2018-08-22 2020-03-13 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 SYSTEM AND METHODS FOR ENHANCEMENT OF SLEEP
WO2020138170A1 (ja) 2018-12-26 2020-07-02 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
US11768258B2 (en) 2019-11-27 2023-09-26 Ricoh Company, Ltd. Signal separating apparatus, signal separating method, and non-transitory recording medium
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
JP7525297B2 (ja) 2020-05-08 2024-07-30 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、および、磁場計測プログラム
US11779250B2 (en) * 2020-05-28 2023-10-10 Hi Llc Systems and methods for recording biomagnetic fields of the human heart
US11779251B2 (en) * 2020-05-28 2023-10-10 Hi Llc Systems and methods for recording neural activity
JP7626622B2 (ja) 2021-01-20 2025-02-04 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
CN113589051A (zh) * 2021-08-04 2021-11-02 西安电子科技大学 一种杂波抑制的现场电磁测量装置及方法
WO2023034308A1 (en) * 2021-08-31 2023-03-09 Evolv Technologies, Inc. Suppression of interference in threat detection
CN115018018B (zh) * 2022-08-05 2022-11-11 北京航空航天大学杭州创新研究院 一种抑制背景噪声的双重空间滤波方法
JP2025074529A (ja) 2023-10-30 2025-05-14 Tdk株式会社 計測装置
CN120721558B (zh) * 2025-08-27 2025-12-16 山东三越仪器有限公司 多通道数据同步采集系统及方法

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US4913152A (en) * 1988-04-28 1990-04-03 The Johns Hopkins University Magnetoencephalograph (MEG) using a multi-axis magnetic gradiometer for localization and tracking of neuromagnetic signals
US5513649A (en) 1994-03-22 1996-05-07 Sam Technology, Inc. Adaptive interference canceler for EEG movement and eye artifacts
GB9704911D0 (en) 1997-03-10 1997-04-30 Secr Defence A magnetic gradiometer
US6195576B1 (en) * 1998-03-09 2001-02-27 New York University Quantitative magnetoencephalogram system and method
US6898612B1 (en) * 1998-11-12 2005-05-24 Sarnoff Corporation Method and system for on-line blind source separation
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
US6936012B2 (en) 2001-06-18 2005-08-30 Neurometrix, Inc. Method and apparatus for identifying constituent signal components from a plurality of evoked physiological composite signals
US7263467B2 (en) * 2002-09-30 2007-08-28 University Of Florida Research Foundation Inc. Multi-dimensional multi-parameter time series processing for seizure warning and prediction
FI115324B (sv) 2003-03-14 2005-04-15 Elekta Neuromag Oy Förfarande och system för behandling av en flerkanalsmätsignal
US7254500B2 (en) * 2003-03-31 2007-08-07 The Salk Institute For Biological Studies Monitoring and representing complex signals
KR100555499B1 (ko) 2003-06-02 2006-03-03 삼성전자주식회사 2차 전방향 네트워크에 독립 해석 알고리즘을 이용하는반주/보이스 분리 장치 및 그 방법
US6952657B2 (en) 2003-09-10 2005-10-04 Peak Sensor Systems Llc Industrial process fault detection using principal component analysis
FI118577B (sv) 2004-02-13 2007-12-31 Elekta Ab Förfarande för att skydda mätanordning mot störningar

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012004458A1 (en) 2010-07-06 2012-01-12 Elekta Ab (Publ). Method for adjusting interference signal space in bio-magnetic field measurements

Also Published As

Publication number Publication date
US20080294386A1 (en) 2008-11-27
US7933727B2 (en) 2011-04-26
JP4875696B2 (ja) 2012-02-15
FI119133B (sv) 2008-07-31
EP1880226A4 (en) 2014-11-05
EP1880226B1 (en) 2018-11-28
CA2606959C (en) 2017-01-24
WO2006114473A1 (en) 2006-11-02
JP2008538956A (ja) 2008-11-13
EP1880226A1 (en) 2008-01-23
FI20050445A0 (sv) 2005-04-28
CA2606959A1 (en) 2006-11-02

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PC Transfer of assignment of patent

Owner name: ELEKTA AB (PUBL).

Free format text: ELEKTA AB (PUBL).

PC Transfer of assignment of patent

Owner name: MEGIN OY