DE69122067D1 - Mehrkanalanordnung zum Messen von räumlich und zeitlich veränderlichen schwachen Magnetfeldern - Google Patents

Mehrkanalanordnung zum Messen von räumlich und zeitlich veränderlichen schwachen Magnetfeldern

Info

Publication number
DE69122067D1
DE69122067D1 DE69122067T DE69122067T DE69122067D1 DE 69122067 D1 DE69122067 D1 DE 69122067D1 DE 69122067 T DE69122067 T DE 69122067T DE 69122067 T DE69122067 T DE 69122067T DE 69122067 D1 DE69122067 D1 DE 69122067D1
Authority
DE
Germany
Prior art keywords
connectors
attached
magnetic fields
connecting element
room temperature
Prior art date
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.)
Expired - Fee Related
Application number
DE69122067T
Other languages
English (en)
Other versions
DE69122067T2 (de
Inventor
Antti Ilamri Ahonen
Jukka Erkki Tapani Knuutila
Juha Tapani Antero Simola
Visa Antero Vilkman
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.)
NEUROMAG Ltd
Original Assignee
NEUROMAG 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.)
Filing date
Publication date
Application filed by NEUROMAG Ltd filed Critical NEUROMAG Ltd
Application granted granted Critical
Publication of DE69122067D1 publication Critical patent/DE69122067D1/de
Publication of DE69122067T2 publication Critical patent/DE69122067T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/02Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/035Measuring direction or magnitude of magnetic fields or magnetic flux using superconductive devices
    • G01R33/0354SQUIDS
    • G01R33/0358SQUIDS coupling the flux to the SQUID
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S505/00Superconductor technology: apparatus, material, process
    • Y10S505/825Apparatus per se, device per se, or process of making or operating same
    • Y10S505/842Measuring and testing
    • Y10S505/843Electrical
    • Y10S505/845Magnetometer
    • Y10S505/846Magnetometer using superconductive quantum interference device, i.e. squid

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Magnetic Variables (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Superconductor Devices And Manufacturing Methods Thereof (AREA)
  • Paper (AREA)
  • Luminescent Compositions (AREA)
DE69122067T 1990-12-21 1991-12-10 Mehrkanalanordnung zum Messen von räumlich und zeitlich veränderlichen schwachen Magnetfeldern Expired - Fee Related DE69122067T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI906340A FI89416C (fi) 1990-12-21 1990-12-21 Flerkanalanordning foer maetning av svaga, lokal- och tidsberoende magnetfaelt

Publications (2)

Publication Number Publication Date
DE69122067D1 true DE69122067D1 (de) 1996-10-17
DE69122067T2 DE69122067T2 (de) 1997-01-23

Family

ID=8531629

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69122067T Expired - Fee Related DE69122067T2 (de) 1990-12-21 1991-12-10 Mehrkanalanordnung zum Messen von räumlich und zeitlich veränderlichen schwachen Magnetfeldern

Country Status (9)

Country Link
US (1) US5243281A (de)
EP (1) EP0492262B1 (de)
JP (1) JP3038070B2 (de)
AT (1) ATE142794T1 (de)
CA (1) CA2057466C (de)
DE (1) DE69122067T2 (de)
DK (1) DK0492262T3 (de)
ES (1) ES2091277T3 (de)
FI (1) FI89416C (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0614899A (ja) * 1991-11-06 1994-01-25 Mitsui Mining & Smelting Co Ltd 脳磁界計測装置
DE4227878A1 (de) * 1992-08-22 1994-02-24 Philips Patentverwaltung Abschirmhülle für SQUID-Magnetometer gegen elektromagnetische Störfelder
US5558091A (en) * 1993-10-06 1996-09-24 Biosense, Inc. Magnetic determination of position and orientation
JP2613554B2 (ja) * 1993-12-27 1997-05-28 株式会社超伝導センサ研究所 Squid磁束計
US5471985A (en) * 1994-08-01 1995-12-05 Biomagnetic Technologies, Inc. Biomagnetometer with whole head coverage of a seated or reclined subject
US5713354A (en) * 1994-08-01 1998-02-03 Biomagnetic Technologies, Inc. Biomagnetometer with whole head coverage of a seated reclined subject
DE19545742C2 (de) * 1995-12-10 1999-10-28 Forschungszentrum Juelich Gmbh SQUID-System mit Vorrichtung zur Halterung eines SQUID-Stabes in einem Kryostaten
JP3194695B2 (ja) * 1995-12-14 2001-07-30 学校法人金沢工業大学 磁気計測装置、その組立方法及び修理方法、並びに磁気計測用診断装置
JP3368287B2 (ja) * 1996-05-23 2003-01-20 学校法人金沢工業大学 磁気測定装置
DE69716042T2 (de) * 1997-06-11 2003-06-26 Kanazawa Inst Of Technology Is Magnetometer
US7002341B2 (en) * 2002-08-28 2006-02-21 Vanderbilt University Superconducting quantum interference apparatus and method for high resolution imaging of samples
JP5101433B2 (ja) * 2008-08-22 2012-12-19 住友重機械工業株式会社 脳磁計
CN103605087B (zh) * 2013-11-25 2016-03-30 中国科学院上海微系统与信息技术研究所 一种结构紧凑的模块化超导电子设备吊舱
CN210442511U (zh) * 2015-11-13 2020-05-01 菲力尔探测公司 剂量率测量系统
US11723579B2 (en) 2017-09-19 2023-08-15 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
EP3731749A4 (de) 2017-12-31 2022-07-27 Neuroenhancement Lab, LLC System und verfahren zur neuroverstärkung zur verbesserung der emotionalen reaktion
US11364361B2 (en) 2018-04-20 2022-06-21 Neuroenhancement Lab, LLC System and method for inducing sleep by transplanting mental states
CN113382683A (zh) 2018-09-14 2021-09-10 纽罗因恒思蒙特实验有限责任公司 改善睡眠的系统和方法
US11786694B2 (en) 2019-05-24 2023-10-17 NeuroLight, Inc. Device, method, and app for facilitating sleep

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3247543A1 (de) * 1982-12-22 1984-06-28 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zur mehrkanaligen messung schwacher, sich aendernder magnetfelder und verfahren zu ihrer herstellung
US4613816A (en) * 1984-04-03 1986-09-23 Geo-Sensors Corporation Cryogenic magnetic probe having new substrate
DE3515199A1 (de) * 1985-04-26 1986-11-06 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zur messung schwacher magnetfelder mit mehreren gradiometern
DE3515237A1 (de) * 1985-04-26 1986-10-30 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zur messung schwacher magnetfelder mit wenigstens einem dc-squid
JPS63111482A (ja) * 1986-10-29 1988-05-16 Shimadzu Corp スキツド磁力計の検出部
US4827217A (en) * 1987-04-10 1989-05-02 Biomagnetic Technologies, Inc. Low noise cryogenic apparatus for making magnetic measurements
US4793355A (en) * 1987-04-17 1988-12-27 Biomagnetic Technologies, Inc. Apparatus for process for making biomagnetic measurements
EP0361137A1 (de) * 1988-09-16 1990-04-04 Siemens Aktiengesellschaft Magnetometer-Einrichtung mit einem Dewar-Gefäss zur Messung schwacher Magnetfelder
US4977896A (en) * 1989-05-26 1990-12-18 Biomagnetic Technologies, Inc. Analysis of biological signals using data from arrays of sensors
US5158932A (en) * 1989-07-31 1992-10-27 Biomagnetic Technologies, Inc. Superconducting biomagnetometer with inductively coupled pickup coil
US5061680A (en) * 1989-07-31 1991-10-29 Biomagnetic Technologies, Inc. Superconducting biomagnetometer with remote pickup coil

Also Published As

Publication number Publication date
FI906340A (fi) 1992-06-22
EP0492262A3 (en) 1993-08-04
ES2091277T3 (es) 1996-11-01
CA2057466C (en) 2001-05-08
CA2057466A1 (en) 1992-06-22
FI89416B (fi) 1993-06-15
JPH04315075A (ja) 1992-11-06
US5243281A (en) 1993-09-07
DE69122067T2 (de) 1997-01-23
JP3038070B2 (ja) 2000-05-08
EP0492262A2 (de) 1992-07-01
ATE142794T1 (de) 1996-09-15
EP0492262B1 (de) 1996-09-11
FI89416C (fi) 1993-09-27
DK0492262T3 (da) 1996-09-30
FI906340A0 (fi) 1990-12-21

Similar Documents

Publication Publication Date Title
DE69122067D1 (de) Mehrkanalanordnung zum Messen von räumlich und zeitlich veränderlichen schwachen Magnetfeldern
EP0682776B1 (de) Einrichtung zur steuerung von squids
US4983912A (en) Method for calibrating SQUID gradiometers of an arbitrary order
US3840726A (en) Position locator
JPS54136859A (en) Measuring and recording device of location and attitude of rest body
US6965792B2 (en) Susceptometers for foreign body detection
CA2092988A1 (en) Current sensing system
FI89417B (fi) Detektorspole foer maetning av magnetfaelt
US3365665A (en) Hall current measuring apparatus having a series resistor for temperature compensation
Burghoff et al. A vector magnetometer module for biomagnetic application
US5328264A (en) Compensation device for the cold junction of a thermocouple
Doshi et al. Precision signal conditioning electronics for cryogenic temperature and magnetic field measurements in SST-1
DE68900442D1 (de) Sonde zu spektrometrischen messungen von magnetischer resonanz bei hohen temperaturen.
Janosek et al. 1 pT-noise fluxgate magnetometer design and its performance in geomagnetic measurements
US5453691A (en) Miniaturized squid module having an intermediate super conducting support for connecting squid input terminals to gradiometer wires
US4873503A (en) Electrical coils
JP2673284B2 (ja) Squid磁束計のキャリブレーション装置
CN114430806A (zh) 磁场测量装置
RU2095767C1 (ru) Портативный термометр
RU2040000C1 (ru) Устройство для контроля стабильности постоянного тока
SU1429068A1 (ru) Устройство дл измерени магнитострикции в импульсных и переменных магнитных пол х
Lee et al. Construction of a 40-channel SQUID System and Its Application to Neuromagnetic Measurements
Ekin Superconductor Measurement Techniques and Cryostat Design
GB886455A (en) Improvements in or relating to ammeters
JPS60222726A (ja) ヘリウム液面計

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee