TW509800B - Micro power magnetometer - Google Patents

Micro power magnetometer Download PDF

Info

Publication number
TW509800B
TW509800B TW088102622A TW88102622A TW509800B TW 509800 B TW509800 B TW 509800B TW 088102622 A TW088102622 A TW 088102622A TW 88102622 A TW88102622 A TW 88102622A TW 509800 B TW509800 B TW 509800B
Authority
TW
Taiwan
Prior art keywords
signal
pulse width
voltage
output
magnetic field
Prior art date
Application number
TW088102622A
Other languages
English (en)
Chinese (zh)
Inventor
David W Cripe
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
Application granted granted Critical
Publication of TW509800B publication Critical patent/TW509800B/zh

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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
    • 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)
TW088102622A 1998-02-24 1999-02-24 Micro power magnetometer TW509800B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
TW509800B true TW509800B (en) 2002-11-11

Family

ID=21845901

Family Applications (1)

Application Number Title Priority Date Filing Date
TW088102622A TW509800B (en) 1998-02-24 1999-02-24 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

Family Cites Families (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
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
GB2349956B (en) 2002-04-17
JP4409765B2 (ja) 2010-02-03

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Legal Events

Date Code Title Description
GD4A Issue of patent certificate for granted invention patent
MM4A Annulment or lapse of patent due to non-payment of fees