IL92239A - Magnetic compass - Google Patents

Magnetic compass

Info

Publication number
IL92239A
IL92239A IL92239A IL9223989A IL92239A IL 92239 A IL92239 A IL 92239A IL 92239 A IL92239 A IL 92239A IL 9223989 A IL9223989 A IL 9223989A IL 92239 A IL92239 A IL 92239A
Authority
IL
Israel
Prior art keywords
ellipsoids
real
represent
computation
armored vehicle
Prior art date
Application number
IL92239A
Other languages
English (en)
Other versions
IL92239A0 (en
Inventor
Gavril Salomon
Zeiler Eitan
Mor Avigdor
Netzer Yishai
Original Assignee
Israel State
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 Israel State filed Critical Israel State
Priority to IL92239A priority Critical patent/IL92239A/xx
Publication of IL92239A0 publication Critical patent/IL92239A0/xx
Priority to US07/609,617 priority patent/US5095631A/en
Priority to EP90121292A priority patent/EP0436794B1/en
Priority to AT90121292T priority patent/ATE118873T1/de
Priority to DE69017177T priority patent/DE69017177T2/de
Publication of IL92239A publication Critical patent/IL92239A/xx

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
    • G01C17/38—Testing, calibrating, or compensating of compasses

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Soft Magnetic Materials (AREA)
  • Measuring Magnetic Variables (AREA)
  • Geophysics And Detection Of Objects (AREA)
IL92239A 1989-11-07 1989-11-07 Magnetic compass IL92239A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IL92239A IL92239A (en) 1989-11-07 1989-11-07 Magnetic compass
US07/609,617 US5095631A (en) 1989-11-07 1990-11-06 Magnetic compass
EP90121292A EP0436794B1 (en) 1989-11-07 1990-11-07 Magnetic compass
AT90121292T ATE118873T1 (de) 1989-11-07 1990-11-07 Magnetischer kompass.
DE69017177T DE69017177T2 (de) 1989-11-07 1990-11-07 Magnetischer Kompass.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL92239A IL92239A (en) 1989-11-07 1989-11-07 Magnetic compass

Publications (2)

Publication Number Publication Date
IL92239A0 IL92239A0 (en) 1990-07-26
IL92239A true IL92239A (en) 1993-04-04

Family

ID=11060555

Family Applications (1)

Application Number Title Priority Date Filing Date
IL92239A IL92239A (en) 1989-11-07 1989-11-07 Magnetic compass

Country Status (5)

Country Link
US (1) US5095631A (xx)
EP (1) EP0436794B1 (xx)
AT (1) ATE118873T1 (xx)
DE (1) DE69017177T2 (xx)
IL (1) IL92239A (xx)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5255442A (en) * 1991-12-20 1993-10-26 Donnelly Corporation Vehicle compass with electronic sensor
US5644851A (en) * 1991-12-20 1997-07-08 Blank; Rodney K. Compensation system for electronic compass
US5187872A (en) * 1992-04-02 1993-02-23 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Communications Automatic calibration of magnetic compasses
US5689445A (en) * 1996-04-05 1997-11-18 Rowe-Deines Instruments Incorporated Electronic compass and attitude sensing system
US6418376B1 (en) * 1999-08-30 2002-07-09 Johnson Controls Technology Company Method and apparatus to maintain compass heading with a moveable sensor mounting
IL132191A (en) * 1999-10-03 2008-04-13 Azimuth Technologies Ltd Method for calibrating and verifying the attitude of a compass
US6539639B2 (en) * 2000-12-06 2003-04-01 Honeywell International Inc. Monitoring accuracy of an electronic compass
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
JP4083557B2 (ja) * 2002-12-11 2008-04-30 三菱電機株式会社 方位指示装置
JP2005043103A (ja) * 2003-07-23 2005-02-17 Alps Electric Co Ltd 磁気コンパス
KR100561850B1 (ko) * 2003-11-13 2006-03-16 삼성전자주식회사 이동체의 방위각 보정방법 및 장치
KR100568285B1 (ko) * 2003-12-13 2006-04-05 삼성전기주식회사 틸트 보상형 전자 나침반의 복각 탐색 방법
FR2931248B1 (fr) * 2008-05-14 2012-07-27 Movea Sa Systeme de mesure de champ magnetique comprenant un capteur triaxial de mesure de champ magnetique mobile conjointement avec un element porteur perturbant les mesures et procede associe
WO2014119824A1 (ko) * 2013-01-31 2014-08-07 (주)코어센스 3축 mems 지자기 센서의 방위각 보정장치 및 보정방법
CN103674000B (zh) * 2013-11-01 2015-10-21 武汉猎隼科技有限公司 电子罗盘实时校准算法
AR104370A1 (es) * 2015-04-13 2017-07-19 Leica Geosystems Pty Ltd Compensación magnetométrica
CN105021175B (zh) * 2015-07-03 2017-08-04 宁波萨瑞通讯有限公司 一种快速检测电子设备指南针的系统及方法
CN107917704B (zh) * 2017-11-17 2019-03-08 上海拓攻机器人有限公司 一种磁罗盘校准方法及装置、计算机可读存储介质

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1202533A (en) * 1966-11-19 1970-08-19 Elliott Brothers London Ltd Improvements relating to magnetically sensitive arrangements
US3744312A (en) * 1971-06-02 1973-07-10 Smiths Industries Ltd Navigation apparatus
US4327498A (en) * 1980-03-17 1982-05-04 Sperry Corporation Magnetic compass compensation system
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
JPS5991311A (ja) * 1982-10-12 1984-05-26 ロケ　マナ　リサーチ　リミテッド 電子コンパスを有する乗物ナビゲーション装置
US4593359A (en) * 1983-06-24 1986-06-03 Ilan Sadeh Vehicle navigation system
IL78889A (en) * 1986-05-23 1989-09-28 Elbit Computers Ltd Electronic magnetic compass system
US4843865A (en) * 1988-02-29 1989-07-04 Digicourse, Inc. Method of calibrating a compass heading

Also Published As

Publication number Publication date
EP0436794B1 (en) 1995-02-22
IL92239A0 (en) 1990-07-26
DE69017177T2 (de) 1995-08-10
ATE118873T1 (de) 1995-03-15
EP0436794A1 (en) 1991-07-17
DE69017177D1 (de) 1995-03-30
US5095631A (en) 1992-03-17

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Legal Events

Date Code Title Description
RH Patent void