GB2128749B - Electronic compass with tilt compensation - Google Patents

Electronic compass with tilt compensation

Info

Publication number
GB2128749B
GB2128749B GB08325212A GB8325212A GB2128749B GB 2128749 B GB2128749 B GB 2128749B GB 08325212 A GB08325212 A GB 08325212A GB 8325212 A GB8325212 A GB 8325212A GB 2128749 B GB2128749 B GB 2128749B
Authority
GB
United Kingdom
Prior art keywords
electronic compass
tilt compensation
tilt
compensation
compass
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
GB08325212A
Other versions
GB2128749A (en
GB8325212D0 (en
Inventor
Brian Gerald Marchent
Michael Roy Foster
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.)
Plessey Co Ltd
Original Assignee
Plessey Co Ltd
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 Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to GB08325212A priority Critical patent/GB2128749B/en
Publication of GB8325212D0 publication Critical patent/GB8325212D0/en
Publication of GB2128749A publication Critical patent/GB2128749A/en
Application granted granted Critical
Publication of GB2128749B publication Critical patent/GB2128749B/en
Expired 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
    • G01C17/38—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)
  • Navigation (AREA)
GB08325212A 1982-10-12 1983-09-21 Electronic compass with tilt compensation Expired GB2128749B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08325212A GB2128749B (en) 1982-10-12 1983-09-21 Electronic compass with tilt compensation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8229134 1982-10-12
GB08325212A GB2128749B (en) 1982-10-12 1983-09-21 Electronic compass with tilt compensation

Publications (3)

Publication Number Publication Date
GB8325212D0 GB8325212D0 (en) 1983-10-26
GB2128749A GB2128749A (en) 1984-05-02
GB2128749B true GB2128749B (en) 1987-04-15

Family

ID=26284106

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08325212A Expired GB2128749B (en) 1982-10-12 1983-09-21 Electronic compass with tilt compensation

Country Status (1)

Country Link
GB (1) GB2128749B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS601510A (en) * 1983-06-17 1985-01-07 Honda Motor Co Ltd Correcting method of vehicle mounted geomagnetism sensor
DE3405933A1 (en) * 1984-02-18 1985-08-22 Teldix Gmbh, 6900 Heidelberg Method for determining the course of a moving object
EP0214817B1 (en) * 1985-09-03 1991-12-04 British Aerospace Public Limited Company Calibration of magnetic compasses
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
DE3568374D1 (en) * 1985-12-20 1989-03-30 Litef Gmbh Method to determine heading by using and automatically calibrating a 3-axis magnetometer rigidly fitted in an aircraft
GB2213937B (en) * 1987-12-17 1992-01-22 Plessey Co Plc Navigation compass calibration
US4972593A (en) * 1989-01-17 1990-11-27 The Charles Stark Draper Laboratory, Inc. Method and apparatus for measuring the undistorted magnetic field of the earth
FR2728338A1 (en) * 1994-12-19 1996-06-21 Eurocopter France METHOD AND DEVICE FOR SIMULTANEOUS IDENTIFICATION AND CORRECTION OF ERRORS DUE TO MAGNETIC DISTURBANCES AND POOR ALIGNMENTS IN MEASUREMENTS OF A MAGNETOMETER
FR2732773B1 (en) * 1995-04-10 1997-06-06 Eurocopter France METHOD AND DEVICE FOR SIMULTANEOUS IDENTIFICATION AND CORRECTION OF ERRORS IN MEASUREMENTS OF A MAGNETOMETER
US6968273B2 (en) 2002-03-01 2005-11-22 Gentex Corporation Electronic compass system
US6964107B1 (en) * 2004-05-27 2005-11-15 Nokia Corporation System, method, device and computer code product for improving the readability of an electronic compass
US7275008B2 (en) * 2005-09-02 2007-09-25 Nokia Corporation Calibration of 3D field sensors
FI120276B (en) * 2007-05-21 2009-08-31 Suunto Oy Compass device and method for compass devices
EP2930466B1 (en) 2014-04-09 2018-07-18 Safran Vectronix AG Handheld observation device with a digital magnetic compass

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB850692A (en) *
US3628254A (en) * 1970-04-01 1971-12-21 Sperry Rand Corp Nonpendulous flux valve compass system
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
US4124897A (en) * 1977-04-01 1978-11-07 E-Systems, Inc. Compensation system for a magnetic compass

Also Published As

Publication number Publication date
GB2128749A (en) 1984-05-02
GB8325212D0 (en) 1983-10-26

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960921