FR2463418A1 - Appareil de detection de composantes du champ magnetique terrestre pour compas - Google Patents

Appareil de detection de composantes du champ magnetique terrestre pour compas Download PDF

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Publication number
FR2463418A1
FR2463418A1 FR8017561A FR8017561A FR2463418A1 FR 2463418 A1 FR2463418 A1 FR 2463418A1 FR 8017561 A FR8017561 A FR 8017561A FR 8017561 A FR8017561 A FR 8017561A FR 2463418 A1 FR2463418 A1 FR 2463418A1
Authority
FR
France
Prior art keywords
circuit
voltage
controlled
coils
magnetic field
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.)
Granted
Application number
FR8017561A
Other languages
English (en)
French (fr)
Other versions
FR2463418B1 (en:Method
Inventor
Michael Francis Lynch
Seymour Levine
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.)
Unisys Corp
Original Assignee
Sperry Corp
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 Sperry Corp filed Critical Sperry Corp
Publication of FR2463418A1 publication Critical patent/FR2463418A1/fr
Application granted granted Critical
Publication of FR2463418B1 publication Critical patent/FR2463418B1/fr
Granted legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Magnetic Variables (AREA)
FR8017561A 1979-08-10 1980-08-08 Appareil de detection de composantes du champ magnetique terrestre pour compas Granted FR2463418A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/065,655 US4262427A (en) 1979-08-10 1979-08-10 Flux valve compass system

Publications (2)

Publication Number Publication Date
FR2463418A1 true FR2463418A1 (fr) 1981-02-20
FR2463418B1 FR2463418B1 (en:Method) 1984-03-23

Family

ID=22064220

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8017561A Granted FR2463418A1 (fr) 1979-08-10 1980-08-08 Appareil de detection de composantes du champ magnetique terrestre pour compas

Country Status (4)

Country Link
US (1) US4262427A (en:Method)
DE (1) DE3030176A1 (en:Method)
FR (1) FR2463418A1 (en:Method)
GB (1) GB2056686B (en:Method)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4480226A (en) * 1979-09-12 1984-10-30 Nippon Soken, Inc. Apparatus for indicating the direction of a vehicle with abnormal field sensing circuits
JPS6035851Y2 (ja) * 1980-05-23 1985-10-24 株式会社日本自動車部品総合研究所 方位検知装置
US4672565A (en) * 1981-03-10 1987-06-09 Nippon Soken, Inc. Direction detecting system for vehicles
DE3121234C1 (de) * 1981-05-27 1983-02-24 Siemens AG, 1000 Berlin und 8000 München Verfahren und Schaltungsanordnung zur Messung eines Magnetfeldes,insbesondere des Erdmagnetfeldes
US4497034A (en) * 1981-08-05 1985-01-29 Nippon Soken, Inc. Heading detecting apparatus
JPS5895775A (ja) * 1981-12-02 1983-06-07 株式会社日立製作所 走行車両の位置表示装置
US4464843A (en) * 1982-11-26 1984-08-14 The Brunton Company Angular measurement apparatus with referencing system
US4797841A (en) * 1983-11-28 1989-01-10 Magnavox Government And Industrial Electronics Company Method and apparatus for automatic calibration of magnetic compass
US4611293A (en) * 1983-11-28 1986-09-09 Magnavox Government And Industrial Electronics Company Method and apparatus for automatic calibration of magnetic compass
JPS6170409A (ja) * 1984-09-13 1986-04-11 Hitachi Metals Ltd 磁気方位センサ−
JPS6183909A (ja) * 1984-10-01 1986-04-28 Hitachi Metals Ltd 磁気方位検出方法及び装置
US4698912A (en) * 1985-12-11 1987-10-13 The Laitram Corporation Magnetic compass calibration
US4680866A (en) * 1985-12-19 1987-07-21 Honeywell Inc. Magnetic flux detector correction system
US4677754A (en) * 1985-12-27 1987-07-07 Chrysler Motors Corporation Multiplexing of a bandpass filter circuit to work with a flux-gate sensor output
CH675916A5 (en:Method) * 1987-05-11 1990-11-15 Wild Leitz Ag
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
GB8818136D0 (en) * 1988-07-29 1988-09-01 Plessey Co Plc Rotation sensor
US5199178A (en) * 1991-10-23 1993-04-06 Apac, Inc. Thin film compass and method for manufacturing the same
US5253424A (en) * 1991-12-27 1993-10-19 Chrysler Corporation Flux-gate sensor mounting and method
US5351204A (en) * 1991-12-27 1994-09-27 Chrysler Corporation Scaling system and method for an electronic compass
US5333110A (en) * 1991-12-27 1994-07-26 Chrysler Corporation Electronic magnetic compass system and method for interpreting directions of a vehicle
US5353241A (en) * 1991-12-27 1994-10-04 Al Attar Rafi A Shifting system and method for an electronic compass system
US5297065A (en) * 1991-12-27 1994-03-22 Chrysler Corporation Magnetic transient detection and calibration technique for an auto-calibrating compass
US5323336A (en) * 1991-12-27 1994-06-21 Chrysler Corporation Noise removal method for an electronic compass
US5297063A (en) * 1991-12-27 1994-03-22 Chrysler Corporation Method for selecting calibration data for an auto-calibrating compass
US5828984A (en) * 1991-12-27 1998-10-27 Chrysler Corporation Data processing method for an electronic compass system
US5952734A (en) * 1995-02-15 1999-09-14 Fonar Corporation Apparatus and method for magnetic systems
JPH1123683A (ja) * 1997-06-27 1999-01-29 Shimadzu Corp ２軸フラックスゲート型磁気センサ
US6282803B1 (en) * 1998-04-24 2001-09-04 Laser Technology, Inc. Self calibration circuit for determining an accurate zero compensation for a fluxgate compass
ITCA20000011A1 (it) * 2000-05-03 2001-11-05 Sulas Sergio Bussola elettronica.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB621486A (en) * 1943-01-19 1949-04-11 Sperry Gyroscope Co Inc Improvements in and relating to magnetic-field responsive devices
US3601899A (en) * 1969-07-03 1971-08-31 Us Navy Single core solid-state compass
GB1291597A (en) * 1968-12-26 1972-10-04 Sperry Rand Corp Improvements in compass systems
GB1487161A (en) * 1974-12-02 1977-09-28 Sperry Rand Corp Magnetic compass systems

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU495528A1 (ru) * 1974-02-25 1975-12-15 Предприятие П/Я А-1045 Электронный компас

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB621486A (en) * 1943-01-19 1949-04-11 Sperry Gyroscope Co Inc Improvements in and relating to magnetic-field responsive devices
GB1291597A (en) * 1968-12-26 1972-10-04 Sperry Rand Corp Improvements in compass systems
US3601899A (en) * 1969-07-03 1971-08-31 Us Navy Single core solid-state compass
GB1487161A (en) * 1974-12-02 1977-09-28 Sperry Rand Corp Magnetic compass systems

Also Published As

Publication number Publication date
DE3030176A1 (de) 1981-02-26
GB2056686B (en) 1983-07-27
FR2463418B1 (en:Method) 1984-03-23
US4262427A (en) 1981-04-21
GB2056686A (en) 1981-03-18

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