GB2349956B - Micro-power magnetometer - Google Patents

Micro-power magnetometer

Info

Publication number
GB2349956B
GB2349956B GB0020648A GB0020648A GB2349956B GB 2349956 B GB2349956 B GB 2349956B GB 0020648 A GB0020648 A GB 0020648A GB 0020648 A GB0020648 A GB 0020648A GB 2349956 B GB2349956 B GB 2349956B
Authority
GB
United Kingdom
Prior art keywords
micro
magnetometer
power
power magnetometer
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
GB0020648A
Other languages
English (en)
Other versions
GB2349956A (en
GB0020648D0 (en
Inventor
David W Cripe
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.)
Methode Electronics Inc
Original Assignee
Methode Electronics Inc
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 Methode Electronics Inc filed Critical Methode Electronics Inc
Publication of GB0020648D0 publication Critical patent/GB0020648D0/en
Publication of GB2349956A publication Critical patent/GB2349956A/en
Application granted granted Critical
Publication of GB2349956B publication Critical patent/GB2349956B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G01R33/04—Measuring direction or magnitude of magnetic fields or magnetic flux using the flux-gate principle

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Magnetic Variables (AREA)
GB0020648A 1998-02-24 1999-01-25 Micro-power magnetometer Expired - Fee Related GB2349956B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/028,858 US6014025A (en) 1998-02-24 1998-02-24 PWM flux-gate circuit for measuring magnitude and direction of a magnetic field
PCT/US1999/001441 WO1999044072A1 (en) 1998-02-24 1999-01-25 Micro-power magnetometer

Publications (3)

Publication Number Publication Date
GB0020648D0 GB0020648D0 (en) 2000-10-11
GB2349956A GB2349956A (en) 2000-11-15
GB2349956B true GB2349956B (en) 2002-04-17

Family

ID=21845901

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0020648A Expired - Fee Related GB2349956B (en) 1998-02-24 1999-01-25 Micro-power magnetometer

Country Status (7)

Country Link
US (1) US6014025A (enExample)
JP (1) JP4409765B2 (enExample)
AU (1) AU2338499A (enExample)
DE (1) DE19982981T1 (enExample)
GB (1) GB2349956B (enExample)
TW (1) TW509800B (enExample)
WO (1) WO1999044072A1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6218831B1 (en) 1999-05-19 2001-04-17 Arthur D. Little, Inc. Low power fluxgate circuit with current balance
US6265867B1 (en) 1999-05-19 2001-07-24 Arthur D. Little, Inc. Position encoder utilizing fluxgate sensors
JP2003075157A (ja) * 2001-09-06 2003-03-12 Seiko Instruments Inc 電子機器
GB2391948B (en) * 2002-08-15 2006-11-15 Pri Ltd Apparatus for detecting tampering with a utility meter
US9448087B2 (en) 2011-10-10 2016-09-20 Methode Electronics, Inc. Contactless magnetic linear position sensor
US10240989B2 (en) 2013-12-30 2019-03-26 Method Electronic, Inc. Magnetoelastic sensor using strain-induced magnetic anisotropy to measure the tension or compression present in a plate
US10254181B2 (en) 2014-03-26 2019-04-09 Methode Electronics, Inc. Systems and methods for reducing rotation noise in a magnetoelastic device and measuring torque, speed, and orientation

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3605011A (en) * 1967-05-25 1971-09-14 Honeywell Inc Control apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3605011A (en) * 1967-05-25 1971-09-14 Honeywell Inc Control apparatus

Also Published As

Publication number Publication date
AU2338499A (en) 1999-09-15
TW509800B (en) 2002-11-11
GB2349956A (en) 2000-11-15
WO1999044072A1 (en) 1999-09-02
GB0020648D0 (en) 2000-10-11
WO1999044072A8 (en) 1999-10-07
JP2002527718A (ja) 2002-08-27
DE19982981T1 (de) 2001-02-15
US6014025A (en) 2000-01-11
JP4409765B2 (ja) 2010-02-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20050125