DE69832475D1 - Magnetometer mit spule und magnetkern hoher permeabilität - Google Patents
Magnetometer mit spule und magnetkern hoher permeabilitätInfo
- Publication number
- DE69832475D1 DE69832475D1 DE69832475T DE69832475T DE69832475D1 DE 69832475 D1 DE69832475 D1 DE 69832475D1 DE 69832475 T DE69832475 T DE 69832475T DE 69832475 T DE69832475 T DE 69832475T DE 69832475 D1 DE69832475 D1 DE 69832475D1
- Authority
- DE
- Germany
- Prior art keywords
- magnetometer
- coil
- magnetic core
- high permeability
- core high
- 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 - Lifetime
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
- G01C17/02—Magnetic compasses
- G01C17/28—Electromagnetic compasses
- G01C17/30—Earth-inductor compasses
-
- 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)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Electromagnetism (AREA)
- Measuring Magnetic Variables (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/831,322 US6084406A (en) | 1997-04-01 | 1997-04-01 | Half-cycle saturable-core magnetometer circuit |
US831322 | 1997-04-01 | ||
PCT/US1998/006451 WO1998044358A1 (en) | 1997-04-01 | 1998-04-01 | Magnetometer with coil and high permeabiliy core |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69832475D1 true DE69832475D1 (de) | 2005-12-29 |
DE69832475T2 DE69832475T2 (de) | 2006-08-10 |
Family
ID=25258793
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69832475T Expired - Lifetime DE69832475T2 (de) | 1997-04-01 | 1998-04-01 | Magnetometer mit spule und magnetkern hoher permeabilität |
Country Status (5)
Country | Link |
---|---|
US (1) | US6084406A (de) |
EP (1) | EP0972208B1 (de) |
JP (1) | JP3293835B2 (de) |
DE (1) | DE69832475T2 (de) |
WO (1) | WO1998044358A1 (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000067858A1 (en) * | 1999-05-06 | 2000-11-16 | Gerhard Stephanus Mynhardt | Apparatus for determining when a swimmer turns |
US6760678B1 (en) | 2000-04-11 | 2004-07-06 | Electronics Tomorrow Limited | Electronic compass |
JP3713422B2 (ja) | 2000-07-18 | 2005-11-09 | ヒロセ電機株式会社 | パルス信号発生装置並びにパルス信号発生装置に使用するコイル巻きボビンおよびその製造方法 |
JP2003075157A (ja) * | 2001-09-06 | 2003-03-12 | Seiko Instruments Inc | 電子機器 |
US6653831B2 (en) * | 2001-11-20 | 2003-11-25 | Gentex Corporation | Magnetometer having a dynamically adjustable bias setting and electronic vehicle compass incorporating the same |
US6968273B2 (en) * | 2002-03-01 | 2005-11-22 | Gentex Corporation | Electronic compass system |
US7149627B2 (en) | 2002-03-01 | 2006-12-12 | Gentex Corporation | Electronic compass system |
US20050116801A1 (en) * | 2003-03-07 | 2005-06-02 | Proehl Gregory L. | Sensor coil and method of manufacturing same |
US7145321B2 (en) | 2005-02-25 | 2006-12-05 | Sandquist David A | Current sensor with magnetic toroid |
US20090105779A1 (en) * | 2006-03-08 | 2009-04-23 | Ascension Technology Corporation | Lead Tracking Of Implantable Cardioverter-Defibrillator (ICD) And Cardiac Resynchronization Therapy (CRT) Devices |
US8008908B2 (en) * | 2007-06-25 | 2011-08-30 | Allegro Microsystems, Inc. | Low power magnetic field sensor |
US7755349B2 (en) * | 2008-03-03 | 2010-07-13 | Memsic, Inc. | Correcting offset in magneto-resistive devices |
US8222888B2 (en) * | 2008-09-29 | 2012-07-17 | Allegro Microsystems, Inc. | Micro-power magnetic switch |
US20110245693A1 (en) * | 2010-03-30 | 2011-10-06 | Boston Scientific Scimed, Inc. | Intravascular pressure sensing |
US9181768B2 (en) * | 2011-06-15 | 2015-11-10 | Pcs Ferguson, Inc. | Method and apparatus for detecting plunger arrival |
US8970209B2 (en) * | 2012-06-12 | 2015-03-03 | Freescale Semiconductor, Inc. | VRS interface with 1/T arming function |
US10408666B2 (en) | 2015-10-13 | 2019-09-10 | Medallion Instrumentation Systems, Llc | Fluid level sensor |
CN106772135B (zh) * | 2017-03-21 | 2019-08-27 | 吉林大学 | 一种卷绕空心磁芯的星载感应式磁传感器及制备方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4314200A (en) * | 1977-09-01 | 1982-02-02 | Bbc Brown, Boveri & Company Limited | Method and apparatus for detection of magnetization |
US4403515A (en) * | 1980-08-29 | 1983-09-13 | Aisin Seiki Company, Limited | Position sensor |
ATE15553T1 (de) * | 1981-05-26 | 1985-09-15 | Siemens Ag | Verfahren und anordnung zur bestimmung eines magnetfeldes. |
GB8612359D0 (en) * | 1986-05-21 | 1986-09-17 | Gec Avionics | Magnetic field detection indicating devices |
US4851775A (en) * | 1987-07-02 | 1989-07-25 | Precision Navigation, Incorporated | Digital compass and magnetometer having a sensor coil wound on a high permeability isotropic core |
US5351004A (en) * | 1991-10-15 | 1994-09-27 | Eldec Corporation | Saturable core proximity sensor including a flux director and a magnetic target element |
US5239264A (en) * | 1991-11-14 | 1993-08-24 | Precision Navigation, Inc. | Zero-offset magnetometer having coil and core sensor controlling period of an oscillator circuit |
US5334935A (en) * | 1992-10-27 | 1994-08-02 | Halliburton Company | Apparatus and method for detecting weak magnetic fields having a saturable core shaped to cancel magnetic fields parallel to the core |
US5642046A (en) * | 1994-06-08 | 1997-06-24 | Magknowledge Inc. | Low power magnetometer circuits requiring a single switching cycle |
SE9404374D0 (sv) * | 1994-12-15 | 1994-12-15 | Pacesetter Ab | Magnetfältsdetektor |
JPH09152473A (ja) * | 1995-09-29 | 1997-06-10 | Sony Corp | 磁気探知装置 |
-
1997
- 1997-04-01 US US08/831,322 patent/US6084406A/en not_active Expired - Lifetime
-
1998
- 1998-04-01 JP JP54197298A patent/JP3293835B2/ja not_active Expired - Fee Related
- 1998-04-01 WO PCT/US1998/006451 patent/WO1998044358A1/en active Search and Examination
- 1998-04-01 DE DE69832475T patent/DE69832475T2/de not_active Expired - Lifetime
- 1998-04-01 EP EP98917978A patent/EP0972208B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP3293835B2 (ja) | 2002-06-17 |
US6084406A (en) | 2000-07-04 |
WO1998044358A1 (en) | 1998-10-08 |
JP2000516725A (ja) | 2000-12-12 |
EP0972208B1 (de) | 2005-11-23 |
EP0972208A4 (de) | 2002-01-30 |
EP0972208A1 (de) | 2000-01-19 |
DE69832475T2 (de) | 2006-08-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |