FI902424A0 - Menetelmä ja laite pienikohinaisen anturin lähtösignaalin käsittelemiseksi - Google Patents

Menetelmä ja laite pienikohinaisen anturin lähtösignaalin käsittelemiseksi

Info

Publication number
FI902424A0
FI902424A0 FI902424A FI902424A FI902424A0 FI 902424 A0 FI902424 A0 FI 902424A0 FI 902424 A FI902424 A FI 902424A FI 902424 A FI902424 A FI 902424A FI 902424 A0 FI902424 A0 FI 902424A0
Authority
FI
Finland
Prior art keywords
processing
output signal
low noise
sensor output
noise sensor
Prior art date
Application number
FI902424A
Other languages
English (en)
Swedish (sv)
Other versions
FI902424A (fi
FI95628B (fi
FI95628C (fi
Inventor
Heikki Seppae
Original Assignee
Valtion Teknillinen
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 Valtion Teknillinen filed Critical Valtion Teknillinen
Priority to FI902424A priority Critical patent/FI95628C/fi
Publication of FI902424A0 publication Critical patent/FI902424A0/fi
Priority to PCT/FI1991/000154 priority patent/WO1991018298A1/en
Priority to DE69125486T priority patent/DE69125486T2/de
Priority to EP91909156A priority patent/EP0528885B1/en
Priority to JP3508953A priority patent/JP3009729B2/ja
Priority to US07/952,885 priority patent/US5488295A/en
Publication of FI902424A publication Critical patent/FI902424A/fi
Publication of FI95628B publication Critical patent/FI95628B/fi
Application granted granted Critical
Publication of FI95628C publication Critical patent/FI95628C/fi

Links

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
    • G01R33/035—Measuring direction or magnitude of magnetic fields or magnetic flux using superconductive devices
    • G01R33/0354—SQUIDS
    • G01R33/0356—SQUIDS with flux feedback
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S505/00—Superconductor technology: apparatus, material, process
    • Y10S505/825—Apparatus per se, device per se, or process of making or operating same
    • Y10S505/842—Measuring and testing
    • Y10S505/843—Electrical
    • Y10S505/845—Magnetometer
    • Y10S505/846—Magnetometer 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)
  • Superconductor Devices And Manufacturing Methods Thereof (AREA)
FI902424A 1990-05-15 1990-05-15 Menetelmä ja laite pienikohinaisen anturin lähtösignaalin käsittelemiseksi FI95628C (fi)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI902424A FI95628C (fi) 1990-05-15 1990-05-15 Menetelmä ja laite pienikohinaisen anturin lähtösignaalin käsittelemiseksi
PCT/FI1991/000154 WO1991018298A1 (en) 1990-05-15 1991-05-15 Method and apparatus for processing the output signal from a low-noise sensor
DE69125486T DE69125486T2 (de) 1990-05-15 1991-05-15 Verfahren und gerät zur ausgangssignalverarbeitung eines rauscharmen fühlers
EP91909156A EP0528885B1 (en) 1990-05-15 1991-05-15 Method and apparatus for processing the output signal from a low-noise sensor
JP3508953A JP3009729B2 (ja) 1990-05-15 1991-05-15 低ノイズセンサからの出力信号を処理する方法及び装置
US07/952,885 US5488295A (en) 1990-05-15 1991-05-15 Method and apparatus for cancelling noise of a low-noise sensor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI902424A FI95628C (fi) 1990-05-15 1990-05-15 Menetelmä ja laite pienikohinaisen anturin lähtösignaalin käsittelemiseksi
FI902424 1990-05-15

Publications (4)

Publication Number Publication Date
FI902424A0 true FI902424A0 (fi) 1990-05-15
FI902424A FI902424A (fi) 1991-11-16
FI95628B FI95628B (fi) 1995-11-15
FI95628C FI95628C (fi) 1996-02-26

Family

ID=8530446

Family Applications (1)

Application Number Title Priority Date Filing Date
FI902424A FI95628C (fi) 1990-05-15 1990-05-15 Menetelmä ja laite pienikohinaisen anturin lähtösignaalin käsittelemiseksi

Country Status (6)

Country Link
US (1) US5488295A (fi)
EP (1) EP0528885B1 (fi)
JP (1) JP3009729B2 (fi)
DE (1) DE69125486T2 (fi)
FI (1) FI95628C (fi)
WO (1) WO1991018298A1 (fi)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3204542B2 (ja) * 1992-07-24 2001-09-04 株式会社東芝 磁場源測定装置
DE69531702T2 (de) * 1995-06-02 2004-07-08 Valtion Teknillinen Tutkimuskeskus Squid magnetometer
US5894220A (en) * 1996-02-12 1999-04-13 University Of Maryland Apparatus for microscopic imaging of electrical and magnetic properties of room-temperature objects
CA2223767A1 (en) * 1996-12-06 1998-06-06 Sumitomo Electric Industries, Ltd. Voltage step up circuit for magnetometric sensor
GB9704911D0 (en) * 1997-03-10 1997-04-30 Secr Defence A magnetic gradiometer
GB2337128B (en) * 1997-03-10 2001-12-05 Secr Defence Magnetic gradiometer
CA2514869C (en) * 2003-01-31 2011-07-12 Commissariat Energie Atomique Device for sensing a magnetic field
EA012274B1 (ru) * 2005-10-06 2009-08-28 Текнолоджикал Ресорсиз Пти Лимитед Гравитационный градиентометр
CA2690886A1 (en) * 2006-11-20 2008-05-29 Technological Resources Pty Limited A gravity gradiometer
WO2008061274A1 (en) * 2006-11-20 2008-05-29 Technological Resources Pty Limited A gravity gradiometer
WO2008061275A1 (en) * 2006-11-20 2008-05-29 Technological Resources Pty Limited A gravity gradiometer
AU2007246213B2 (en) * 2006-11-20 2013-07-04 Technological Resources Pty. Limited A gravity gradiometer
WO2008061273A1 (en) * 2006-11-20 2008-05-29 Technological Resources Pty Limited A gravity gradiometer
WO2008061276A1 (en) * 2006-11-20 2008-05-29 Technological Resources Pty Limited A gravity gradiometer
WO2008061277A1 (en) 2006-11-20 2008-05-29 Technological Resources Pty Limited A gravity gradiometer
CA2612602A1 (en) * 2006-11-23 2008-05-23 Technological Resources Pty, Limited. Gravity gradiometer
ZA200710807B (en) 2006-11-23 2009-09-30 Tech Resources Pty Ltd Gravity gradiometer
EP2084560A4 (en) * 2006-11-23 2010-12-15 Tech Resources Pty Ltd GRADIOMETER OF GRAVITY
JP2010510497A (ja) * 2006-11-23 2010-04-02 テクノロジカル リソーシーズ プロプライエタリー リミテッド 重力グラジオ・メータ
CA2612860C (en) * 2006-11-23 2015-02-03 Technological Resources Pty Limited Gravity gradiometer
EP1949142B1 (en) * 2006-11-23 2015-05-13 Technological Resources PTY. Limited Gravity gradiometer
EP1949141A4 (en) * 2006-11-23 2011-01-05 Tech Resources Pty Ltd COMPENSATION OF UNWANTED ACCELERATIONS OF A HEAVY-DUTY GRADE KNIFE
AU2007249045B2 (en) * 2006-11-23 2013-07-11 Technological Resources Pty Limited Gravity gradiometer
US8571614B1 (en) 2009-10-12 2013-10-29 Hypres, Inc. Low-power biasing networks for superconducting integrated circuits
US10222416B1 (en) 2015-04-14 2019-03-05 Hypres, Inc. System and method for array diagnostics in superconducting integrated circuit
CN106199464B (zh) * 2015-05-05 2019-06-25 中国科学院上海微系统与信息技术研究所 双级超导量子干涉器磁通-电压转换装置、方法及其应用
US10761152B2 (en) * 2018-09-12 2020-09-01 United States Of America As Represented By The Secretary Of The Navy Magnetic sensor with combined high pass flux concentrator and flux biasing circuit
US11302856B2 (en) * 2020-01-24 2022-04-12 Centre National De La Recherche Scientifique Dipole element for superconducting circuits

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4389612A (en) * 1980-06-17 1983-06-21 S.H.E. Corporation Apparatus for reducing low frequency noise in dc biased SQUIDS
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
US4663590A (en) * 1985-11-06 1987-05-05 Sperry Corporation Single frequency noise reduction circuit for squids
JPH0672913B2 (ja) * 1986-12-18 1994-09-14 新技術事業団 磁束計測装置
US4906930A (en) * 1987-02-27 1990-03-06 Hitachi, Ltd. Magnetometer using a Josephson device and superconducting phototransistor
DE3735668A1 (de) * 1987-10-22 1989-05-03 Philips Patentverwaltung Vorrichtung zur mehrkanaligen messung schwacher magnetfelder

Also Published As

Publication number Publication date
JP3009729B2 (ja) 2000-02-14
FI902424A (fi) 1991-11-16
US5488295A (en) 1996-01-30
FI95628B (fi) 1995-11-15
WO1991018298A1 (en) 1991-11-28
EP0528885B1 (en) 1997-04-02
JPH05506933A (ja) 1993-10-07
FI95628C (fi) 1996-02-26
EP0528885A1 (en) 1993-03-03
DE69125486T2 (de) 1997-10-23
DE69125486D1 (de) 1997-05-07

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Legal Events

Date Code Title Description
FG Patent granted

Owner name: NEUROMAG OY

BB Publication of examined application
PC Transfer of assignment of patent

Owner name: NEUROMAG OY

FG Patent granted

Owner name: NEUROMAG OY

PC Transfer of assignment of patent

Owner name: ELEKTA AB (PUBL).

Free format text: ELEKTA AB (PUBL).