CA1249124A - Flux-gate sensor electrical drive method and circuit - Google Patents

Flux-gate sensor electrical drive method and circuit

Info

Publication number
CA1249124A
CA1249124A CA000492204A CA492204A CA1249124A CA 1249124 A CA1249124 A CA 1249124A CA 000492204 A CA000492204 A CA 000492204A CA 492204 A CA492204 A CA 492204A CA 1249124 A CA1249124 A CA 1249124A
Authority
CA
Canada
Prior art keywords
coupled
signals
circuit
flux
primary winding
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
Application number
CA000492204A
Other languages
English (en)
French (fr)
Inventor
Steven L. Geerlings
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.)
Johnson Controls Technology Co
Original Assignee
Prince Corp USA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24658897&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA1249124(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Prince Corp USA filed Critical Prince Corp USA
Application granted granted Critical
Publication of CA1249124A publication Critical patent/CA1249124A/en
Expired 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
    • 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

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)
CA000492204A 1984-10-19 1985-10-03 Flux-gate sensor electrical drive method and circuit Expired CA1249124A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US662,717 1984-10-19
US06/662,717 US4677381A (en) 1984-10-19 1984-10-19 Flux-gate sensor electrical drive method and circuit

Publications (1)

Publication Number Publication Date
CA1249124A true CA1249124A (en) 1989-01-24

Family

ID=24658897

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000492204A Expired CA1249124A (en) 1984-10-19 1985-10-03 Flux-gate sensor electrical drive method and circuit

Country Status (6)

Country Link
US (1) US4677381A (https=)
EP (1) EP0179634B1 (https=)
JP (1) JPS61129523A (https=)
CA (1) CA1249124A (https=)
DE (1) DE3587014T2 (https=)
ES (1) ES8801433A1 (https=)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4750349A (en) * 1985-12-27 1988-06-14 Chrysler Motors Corporation Microcomputer controlled quick ranging technique and digital filter
DE3637801A1 (de) * 1986-11-06 1988-05-19 Bosch Gmbh Robert Vorrichtung zur messung eines zeitlich konstanten oder sich aendernden magnetfeldes
US4825166A (en) * 1987-01-27 1989-04-25 Sundstrand Data Control, Inc. Bobbin for a magnetic sensor
JPS63142775U (https=) * 1987-03-10 1988-09-20
US5124648A (en) * 1987-08-25 1992-06-23 Analog Devices, Inc. Single winding saturable core magnetometer with field nulling
US4859944A (en) * 1987-08-25 1989-08-22 Analog Devices, Inc. Single-winding magnetometer with oscillator duty cycle measurement
JPH01214710A (ja) * 1988-02-23 1989-08-29 Alps Electric Co Ltd 方位計測方法およびその装置
US5614885A (en) * 1988-12-05 1997-03-25 Prince Corporation Electrical control system for vehicle options
US5475366A (en) * 1988-12-05 1995-12-12 Prince Corporation Electrical control system for vehicle options
US4977374A (en) * 1989-08-21 1990-12-11 Kleiner Charles T Radiation hardened magnetic voltage and/or current reference produced by a saturable, two core transformer with first harmonic nulling
US5270648A (en) * 1990-08-10 1993-12-14 Watson Industries, Inc. Single core triaxial flux-gate magnetometer
US5455716A (en) * 1990-08-14 1995-10-03 Prince Corporation Vehicle mirror with electrical accessories
US5161311A (en) * 1990-08-29 1992-11-10 Alps Electric Inc. Calibration and compensation of an electronic compass system
US5469298A (en) * 1991-08-14 1995-11-21 Prince Corporation Reflective display at infinity
US5323336A (en) * 1991-12-27 1994-06-21 Chrysler Corporation Noise removal method for an electronic compass
US5297065A (en) * 1991-12-27 1994-03-22 Chrysler Corporation Magnetic transient detection and calibration technique for an auto-calibrating compass
US5333110A (en) * 1991-12-27 1994-07-26 Chrysler Corporation Electronic magnetic compass system and method for interpreting directions of a vehicle
US5297063A (en) * 1991-12-27 1994-03-22 Chrysler Corporation Method for selecting calibration data for an auto-calibrating compass
US5351204A (en) * 1991-12-27 1994-09-27 Chrysler Corporation Scaling system and method for an electronic compass
US5253424A (en) * 1991-12-27 1993-10-19 Chrysler Corporation Flux-gate sensor mounting and method
US5353241A (en) * 1991-12-27 1994-10-04 Al Attar Rafi A Shifting system and method for an electronic compass system
US5828984A (en) * 1991-12-27 1998-10-27 Chrysler Corporation Data processing method for an electronic compass system
US5415554A (en) * 1993-10-28 1995-05-16 Prince Corporation Trim panel connecting link
US5511319A (en) * 1994-08-29 1996-04-30 Prince Corporation Vehicle compass correction circuit
US5737226A (en) * 1995-06-05 1998-04-07 Prince Corporation Vehicle compass system with automatic calibration
US5878370A (en) * 1995-12-01 1999-03-02 Prince Corporation Vehicle compass system with variable resolution
US5761094A (en) * 1996-01-18 1998-06-02 Prince Corporation Vehicle compass system
US5689445A (en) * 1996-04-05 1997-11-18 Rowe-Deines Instruments Incorporated Electronic compass and attitude sensing system
US6587573B1 (en) 2000-03-20 2003-07-01 Gentex Corporation System for controlling exterior vehicle lights
WO1999023453A1 (en) * 1997-11-03 1999-05-14 Invotronics Manufacturing Electronic analogue compass
US5939881A (en) * 1997-11-13 1999-08-17 Raytheon Company High dynamic range digital fluxgate magnetometer
US6301794B1 (en) * 1999-05-27 2001-10-16 Johnson Controls, Inc. Vehicle compass system with continuous automatic calibration
FR2828739B1 (fr) * 2001-08-16 2003-12-12 Commissariat Energie Atomique Magnetometre a correction de dissymetrie de structure
US7149627B2 (en) * 2002-03-01 2006-12-12 Gentex Corporation Electronic compass system
US6968273B2 (en) 2002-03-01 2005-11-22 Gentex Corporation Electronic compass system
JP4709744B2 (ja) * 2003-02-24 2011-06-22 ジェンテックス コーポレイション 電子コンパスシステム
US7098658B2 (en) * 2004-04-01 2006-08-29 Visteon Global Technologies, Inc. Digital signal conditioning solution for a magnetometer circuit

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2852859A (en) * 1958-09-23 A-axis
US2475593A (en) * 1945-08-28 1949-07-12 Sperry Corp Self-synchronous flux valve system
US3678593A (en) * 1968-12-26 1972-07-25 Sperry Rand Corp Compass system and components therefor having automatic field cancellation
US3626280A (en) * 1970-04-03 1971-12-07 Collins Radio Co Frequency controlled flux detector excitation
US3744312A (en) * 1971-06-02 1973-07-10 Smiths Industries Ltd Navigation apparatus
US3903610A (en) * 1972-08-18 1975-09-09 North Atlantic Industries Apparatus for measuring magnetic field direction
US4030204A (en) * 1974-03-18 1977-06-21 Edwards Robert A Remote indicating solid state magnetic sensor
US3943763A (en) * 1974-12-11 1976-03-16 The United States Of America As Represented By The United States National Aeronautics And Space Administration Office Of General Counsel-Code Gp Magnetic heading reference
US3991361A (en) * 1975-03-27 1976-11-09 Westinghouse Electric Corporation Semi-automatic compass calibrator apparatus for a vehicle mounted flux gate compass system to cancel out effect of local magnetic disturbances
US4024382A (en) * 1975-09-08 1977-05-17 The Laitram Corporation Loran compensated magnetic compass
IT1073691B (it) * 1976-08-26 1985-04-17 Importazioni Esportazioni Rapp Perfezionamento nelle bussole statiche
US4112755A (en) * 1976-12-20 1978-09-12 Gerald Leslie Sullivan "Strapdown" induction compass transmitter with means to compensate for heading errors during turns and during dives and climbs due to the vertical component of the Earth's magnetic field and due to two cycle error
US4157619A (en) * 1977-10-14 1979-06-12 Scientific Drilling Controls Inclination and direction responsive apparatus
US4293815A (en) * 1978-05-01 1981-10-06 Century Geophysical Corporation Fluxgate magnetometer circuit with earth's field elimination
US4336596A (en) * 1978-07-24 1982-06-22 E-Systems, Inc. Method and apparatus for electronically rotating a heading signal
US4277751A (en) * 1978-09-29 1981-07-07 Neil Brown Instruments Systems, Inc. Low-power magnetometer circuit with constant current drive
FR2484079A1 (fr) * 1980-06-05 1981-12-11 Crouzet Sa Procede de compensation des perturbations magnetiques dans la determination d'un cap magnetique, et dispositif pour la mise en oeuvre de ce procede
JPS6212976Y2 (https=) * 1980-10-20 1987-04-03
JPS5784310A (en) * 1980-11-13 1982-05-26 Alps Electric Co Ltd Direction sensing means
US4373271A (en) * 1980-12-11 1983-02-15 General Motors Corporation Solid state compass
JPS57116211A (en) * 1981-01-09 1982-07-20 Mitsubishi Electric Corp Measuring device for direction
DE3123180A1 (de) * 1981-06-11 1983-01-05 Siemens AG, 1000 Berlin und 8000 München Korrekturverfahren und -einrichtung fuer eine magnetfeldsonde
JPS5828611A (ja) * 1981-08-13 1983-02-19 Alps Electric Co Ltd 磁気式方位検出装置
US4424631A (en) * 1982-03-02 1984-01-10 Prince Corporation Electrical compass
US4546551A (en) * 1983-03-24 1985-10-15 Prince Corporation Electrical control system
DE3312880A1 (de) * 1983-04-11 1984-10-11 Vdo Adolf Schindling Ag, 6000 Frankfurt Magnetischer erdfelddetektor, insbesondere fuer koppelnavigationseinrichtungen von fahrzeugen

Also Published As

Publication number Publication date
ES8801433A1 (es) 1987-12-16
DE3587014T2 (de) 1993-05-13
JPS61129523A (ja) 1986-06-17
US4677381A (en) 1987-06-30
JPH0548844B2 (https=) 1993-07-22
EP0179634B1 (en) 1993-01-20
EP0179634A2 (en) 1986-04-30
DE3587014D1 (de) 1993-03-04
ES548030A0 (es) 1987-12-16
EP0179634A3 (en) 1988-07-20

Similar Documents

Publication Publication Date Title
CA1249124A (en) Flux-gate sensor electrical drive method and circuit
CA1198890A (en) Electrical control system
CA1184376A (en) Electrical compass
CA1266173A (en) Simplified calibration technique and auto ranging circuit for an electronic compass control circuit
US5161311A (en) Calibration and compensation of an electronic compass system
US4595877A (en) Inductive loop system for detection of an electrically conductive object
JPS61250671A (ja) 地図表示装置
CA2180937A1 (en) Map display apparatus for motor vehicle
JPH0248210A (ja) 車両のエンジン特性切換装置
AU611118B2 (en) Method and apparatus for driving neon tube to form luminous bubbles and controlling the movement thereof
JP2565170Y2 (ja) 方位検出装置
JPH03137688A (ja) 移動体用ナビゲーション装置
JPS6214686A (ja) ナビゲ−シヨンシステム
JPS59231411A (ja) 初期設定簡略機能付ナビゲ−タシステム
JPS6310300A (ja) ナビゲ−シヨン・システム
JPS6079499A (ja) 走行情報表示装置
JP2584195Y2 (ja) 列車走行地点検知装置
JPS5928341Y2 (ja) サ−モスタットの特性測定装置
JP2910511B2 (ja) ナビゲーション装置
SU1646937A1 (ru) Устройство дл считывани информации с транспортных средств
JPS6435316A (en) On-vehicle navigation system
JPH0821159B2 (ja) ナビゲーシヨンシステム
JPS6033409Y2 (ja) レベル表示装置
JPS6273113A (ja) 方角指示装置
JPS6457117A (en) Vehicle-loaded navigation apparatus

Legal Events

Date Code Title Description
MKEX Expiry