ATE76515T1 - Feststellen von gleichstrom-magnetfeldaenderungen. - Google Patents

Feststellen von gleichstrom-magnetfeldaenderungen.

Info

Publication number
ATE76515T1
ATE76515T1 AT87306058T AT87306058T ATE76515T1 AT E76515 T1 ATE76515 T1 AT E76515T1 AT 87306058 T AT87306058 T AT 87306058T AT 87306058 T AT87306058 T AT 87306058T AT E76515 T1 ATE76515 T1 AT E76515T1
Authority
AT
Austria
Prior art keywords
field
magnetometer
variation
intensity
magnetic bias
Prior art date
Application number
AT87306058T
Other languages
English (en)
Inventor
Lucian G Ferguson
Lincoln H Charlot Jr
Original Assignee
Security Tag Systems 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 Security Tag Systems Inc filed Critical Security Tag Systems Inc
Application granted granted Critical
Publication of ATE76515T1 publication Critical patent/ATE76515T1/de

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

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Magnetic Variables (AREA)
  • Eye Examination Apparatus (AREA)
  • Glass Compositions (AREA)
  • Paints Or Removers (AREA)
  • Details Of Television Scanning (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Measurement Of Current Or Voltage (AREA)
AT87306058T 1986-07-31 1987-07-09 Feststellen von gleichstrom-magnetfeldaenderungen. ATE76515T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/891,379 US5015953A (en) 1986-07-31 1986-07-31 Magnetometer for detecting DC magnetic field variations
EP87306058A EP0256659B1 (de) 1986-07-31 1987-07-09 Feststellen von Gleichstrom-Magnetfeldänderungen

Publications (1)

Publication Number Publication Date
ATE76515T1 true ATE76515T1 (de) 1992-06-15

Family

ID=25398091

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87306058T ATE76515T1 (de) 1986-07-31 1987-07-09 Feststellen von gleichstrom-magnetfeldaenderungen.

Country Status (7)

Country Link
US (1) US5015953A (de)
EP (1) EP0256659B1 (de)
JP (1) JPS6338190A (de)
AT (1) ATE76515T1 (de)
DE (1) DE3779214D1 (de)
ES (1) ES2031898T3 (de)
NO (1) NO873158L (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5126666A (en) * 1990-11-01 1992-06-30 Kvh Industries, Inc. Method and apparatus for substantially eliminating magnetic field interference to a magnetometer caused by DC current carrying conductors
US5274327A (en) * 1992-06-12 1993-12-28 Xerox Corporation Powder sample holding capsule holding adapter for a vibrating sample magnetometer
WO1994006029A1 (fr) * 1992-06-25 1994-03-17 Torgovo-Promyshlennaya Kompania Gikon (Tpk Gikon) Procede de mesure de l'induction d'un champ magnetique
DE4243878C2 (de) * 1992-12-23 1996-05-15 Suspa Spannbeton Gmbh Überwachungsvorrichtung für Bauelemente
ES2070702B1 (es) * 1992-12-31 1997-03-01 Alcatel Standard Electrica Dispositivo sensor de campo magnetico.
US5557199A (en) * 1994-04-29 1996-09-17 The United States Of America As Represented By The Department Of Health And Human Services Magnetic resonance monitor
US5600241A (en) * 1995-07-07 1997-02-04 The United States Of America As Represented By The Secretary Of The Navy Vibrating-reed susceptometer for measuring anisotropic aspects of susceptibility
DE19615519A1 (de) * 1996-04-19 1997-10-30 Voith Turbo Kg Digitaler Zweipunktregler für ein Aktuatorelement
GB2315870B (en) * 1996-08-02 2001-01-31 Ultra Electronics Ltd Magnetometer
US6512370B1 (en) 1999-02-12 2003-01-28 Elf Engineering, Ltd. Low power, frequency-mode magnetometer
WO2004070408A1 (ja) * 2003-02-04 2004-08-19 Nec Tokin Corporation 磁気センサ
JP4296293B2 (ja) * 2003-09-02 2009-07-15 アイシーキューブ カンパニー リミテッド ウルトラセンシティブ・インサイチュー・マグネットメーターシステム
US20070001671A1 (en) * 2005-06-30 2007-01-04 Park Rudolph V Magnetostrictive MEMS based magnetometer
RU2330303C2 (ru) * 2006-09-01 2008-07-27 Петрос Меликович Гаспаров Феррозондовый магнитометр
WO2016022194A1 (en) * 2014-08-08 2016-02-11 Halliburton Energy Services, Inc. Low-noise fluxgate magnetometer with increased operating temperature range

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2334593A (en) * 1941-05-08 1943-11-16 Gulf Research Development Co Apparatus for measuring magnetic fields
US2474693A (en) * 1945-01-31 1949-06-28 Robert G Rowe Magnetic field responsive device
US3461387A (en) * 1965-04-20 1969-08-12 Electro Mechanics Co The Magnetic field detector using a variable inductance rod
US3488587A (en) * 1966-04-04 1970-01-06 Honeywell Inc Magnetostrictive electromechanical galvanometer apparatus
US3443213A (en) * 1966-04-18 1969-05-06 Burroughs Corp Magnetometer using thin film transducer as slope detection filter
DE2851771C2 (de) * 1978-11-30 1980-12-18 Ibm Deutschland Gmbh, 7000 Stuttgart Verfahren zur direkten Bestimmung der Magnetostriktionskonstanten und Vorrichtung zur Durchführung desselben
US4484184A (en) * 1979-04-23 1984-11-20 Allied Corporation Amorphous antipilferage marker
US4298862A (en) * 1979-04-23 1981-11-03 Allied Chemical Corporation Amorphous antipilferage marker
JPS5843502A (ja) * 1981-09-09 1983-03-14 Aisin Seiki Co Ltd ウイ−ガンド効果素子
US4495487A (en) * 1981-11-02 1985-01-22 Allied Corporation Amorphous antipilferage marker
JPS58185007A (ja) * 1982-04-21 1983-10-28 Toshiba Corp 磁気再生装置
US4510489A (en) * 1982-04-29 1985-04-09 Allied Corporation Surveillance system having magnetomechanical marker
US4510490A (en) * 1982-04-29 1985-04-09 Allied Corporation Coded surveillance system having magnetomechanical marker
US4553136A (en) * 1983-02-04 1985-11-12 Allied Corporation Amorphous antipilferage marker
US4648041A (en) * 1985-06-24 1987-03-03 The United States Of America As Represented By The Secretary Of The Navy Method of measuring magnetic effects due to eddy currents

Also Published As

Publication number Publication date
NO873158L (no) 1988-02-01
EP0256659B1 (de) 1992-05-20
JPS6338190A (ja) 1988-02-18
ES2031898T3 (es) 1993-01-01
DE3779214D1 (de) 1992-06-25
US5015953A (en) 1991-05-14
NO873158D0 (no) 1987-07-28
EP0256659A1 (de) 1988-02-24

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee