DE3585529D1 - Fostersonde. - Google Patents

Fostersonde.

Info

Publication number
DE3585529D1
DE3585529D1 DE8686900382T DE3585529T DE3585529D1 DE 3585529 D1 DE3585529 D1 DE 3585529D1 DE 8686900382 T DE8686900382 T DE 8686900382T DE 3585529 T DE3585529 T DE 3585529T DE 3585529 D1 DE3585529 D1 DE 3585529D1
Authority
DE
Germany
Prior art keywords
sensor
magnetic field
sense windings
filters
foster
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
Application number
DE8686900382T
Other languages
English (en)
Inventor
C Phillips
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.)
TomTom North America Inc
Original Assignee
Etak 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 Etak Inc filed Critical Etak Inc
Application granted granted Critical
Publication of DE3585529D1 publication Critical patent/DE3585529D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
DE8686900382T 1984-11-28 1985-11-22 Fostersonde. Expired - Lifetime DE3585529D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/675,827 US4646015A (en) 1984-11-28 1984-11-28 Flux gate sensor with improved sense winding gating
PCT/US1985/002328 WO1986003304A1 (en) 1984-11-28 1985-11-22 Flux gate sensor

Publications (1)

Publication Number Publication Date
DE3585529D1 true DE3585529D1 (de) 1992-04-09

Family

ID=24712125

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686900382T Expired - Lifetime DE3585529D1 (de) 1984-11-28 1985-11-22 Fostersonde.

Country Status (13)

Country Link
US (1) US4646015A (de)
EP (1) EP0203179B1 (de)
JP (1) JP2571364B2 (de)
AT (1) ATE73238T1 (de)
AU (1) AU5099885A (de)
CA (1) CA1244885A (de)
DE (1) DE3585529D1 (de)
ES (1) ES8705641A1 (de)
IE (1) IE60214B1 (de)
MX (1) MX158853A (de)
PT (1) PT81564B (de)
WO (1) WO1986003304A1 (de)
ZA (1) ZA859078B (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3519276A1 (de) * 1985-05-30 1986-12-04 Robert Bosch Gmbh, 7000 Stuttgart Navigationssystem fuer fahrzeuge
US5122959A (en) * 1988-10-28 1992-06-16 Automated Dispatch Services, Inc. Transportation dispatch and delivery tracking system
DE3904344A1 (de) * 1989-02-14 1990-08-16 Bosch Gmbh Robert Verfahren zum lesen von navigationsdaten einer compact-disc
US5287295A (en) * 1991-05-30 1994-02-15 Motorola Method and apparatus for calibrating an electronic compass to account for alignment errors in the compass windings
US7113864B2 (en) * 1995-10-27 2006-09-26 Total Technology, Inc. Fully automated vehicle dispatching, monitoring and billing
US5835376A (en) 1995-10-27 1998-11-10 Total Technology, Inc. Fully automated vehicle dispatching, monitoring and billing
US6694248B2 (en) 1995-10-27 2004-02-17 Total Technology Inc. Fully automated vehicle dispatching, monitoring and billing
US6252605B1 (en) 1997-08-01 2001-06-26 Garmin Corporation System and method for packing spatial data in an R-tree
US5995970A (en) * 1997-08-01 1999-11-30 Garmin Corporation Method and apparatus for geographic coordinate data storage
US6466862B1 (en) * 1999-04-19 2002-10-15 Bruce DeKock System for providing traffic information
US6301794B1 (en) * 1999-05-27 2001-10-16 Johnson Controls, Inc. Vehicle compass system with continuous automatic calibration
US6867587B2 (en) * 2002-02-21 2005-03-15 National University Of Ireland, Galway Excitation circuit for a fluxgate sensor
US20040006424A1 (en) * 2002-06-28 2004-01-08 Joyce Glenn J. Control system for tracking and targeting multiple autonomous objects
KR100494472B1 (ko) * 2002-12-31 2005-06-10 삼성전기주식회사 인쇄회로기판 기술을 이용한 미약자계 감지용 센서 및 그제조 방법
US7908080B2 (en) 2004-12-31 2011-03-15 Google Inc. Transportation routing
US9229066B2 (en) 2013-08-15 2016-01-05 Texas Instruments Incorporated Integrated fluxgate magnetic sensor and excitation circuitry
US11092656B2 (en) * 2015-05-12 2021-08-17 Texas Instruments Incorporated Fluxgate magnetic field detection method and circuit
DE102018120912A1 (de) * 2018-07-30 2020-01-30 Gerd Reime Induktive Analyse metallischer Objekte

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3337796A (en) * 1965-04-19 1967-08-22 Automation Forster Inc Eddy current testing device with means for sampling the output signal to provide a signal proportional to the instantaneous value of said output signal at a particular phase
US3541432A (en) * 1968-10-21 1970-11-17 Bunker Ramo Magnetometer capable of operating with a very low input power
US3568052A (en) * 1969-06-06 1971-03-02 William W Anderson Time interval magnetometer
US3775674A (en) * 1972-01-27 1973-11-27 Us Air Force Flux gate gradiometer using a pulse generator to drive the energizing windings as well as actuate the detector
US4059796A (en) * 1976-11-11 1977-11-22 Rockwell International Corporation Second harmonic magnetic field detection circuit with means to rectify the sensed signal
US4277751A (en) * 1978-09-29 1981-07-07 Neil Brown Instruments Systems, Inc. Low-power magnetometer circuit with constant current drive
JPS55175882U (de) * 1979-06-06 1980-12-17
US4497034A (en) * 1981-08-05 1985-01-29 Nippon Soken, Inc. Heading detecting apparatus
JPS6183909A (ja) * 1984-10-01 1986-04-28 Hitachi Metals Ltd 磁気方位検出方法及び装置

Also Published As

Publication number Publication date
AU5099885A (en) 1986-06-18
US4646015A (en) 1987-02-24
ES8705641A1 (es) 1987-05-01
IE852956L (en) 1986-05-28
PT81564B (pt) 1991-05-22
EP0203179A4 (de) 1987-08-24
MX158853A (es) 1989-03-20
CA1244885A (en) 1988-11-15
ES550139A0 (es) 1987-05-01
ATE73238T1 (de) 1992-03-15
EP0203179B1 (de) 1992-03-04
PT81564A (en) 1985-12-01
EP0203179A1 (de) 1986-12-03
ZA859078B (en) 1987-07-29
JPS62501166A (ja) 1987-05-07
JP2571364B2 (ja) 1997-01-16
WO1986003304A1 (en) 1986-06-05
IE60214B1 (en) 1994-06-15

Similar Documents

Publication Publication Date Title
DE3585529D1 (de) Fostersonde.
DE69218541T2 (de) Sättigbarer Kern-Näherungssensor mit Fluxführung
EP0357013A3 (de) Schaltung zum Messen eines magnetischen Feldes
EP0157470A3 (de) Magnetfeldsensor
IT7949653A0 (it) Perfezionamento nella costruzionedi nuclei magnetici
DE3776393D1 (de) Eingangsschaltung mit einem photokoppler.
DE69014927D1 (de) Speiseschaltung und Brücken-Messanordnung mit einer Ausgangssignalausgleichsschaltung.
ATE40215T1 (de) Bestimmung der sauerstoffkonzentration in einem gas.
SE8304116D0 (sv) Load driving circuitry with load current sensing
SE8902554L (sv) Foerfarande och anordning vid magnetisk-indiktiv genomstroemningsmaetning
GB2349956A (en) Micro-power magnetometer
EP0104854A3 (de) Verfahren zur Bohrlochwandmagnetizierung
JPS54159211A (en) Floating head
ATE32954T1 (de) Messwandler auf der basis des elektro- bzw. magnetooptischen effektes.
JPS5378741A (en) Automatic bias margin measurement method for bubble element
GB1003872A (en) A magnetic field detecting device
DE68912245D1 (de) Drehungssensor.
SU1142730A2 (ru) Датчик угловых перемещений
JPS5740606A (en) Bearing indicator
GB2090086B (en) A driving device for a stepping motor
SU509821A1 (ru) Дефектоскоп
JPS5627602A (en) Magnetic scale
SU1148466A1 (ru) Феррозондовый магнитометр
RU93029147A (ru) Уровнемер
RU93028257A (ru) Акселерометр

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee