DE3682885D1 - Schnelles eichungsverfahren mit einem mikrocomputer fuer einen elektronischen kompass. - Google Patents

Schnelles eichungsverfahren mit einem mikrocomputer fuer einen elektronischen kompass.

Info

Publication number
DE3682885D1
DE3682885D1 DE8686111936T DE3682885T DE3682885D1 DE 3682885 D1 DE3682885 D1 DE 3682885D1 DE 8686111936 T DE8686111936 T DE 8686111936T DE 3682885 T DE3682885 T DE 3682885T DE 3682885 D1 DE3682885 D1 DE 3682885D1
Authority
DE
Germany
Prior art keywords
microcomputer
calibration process
electronic compass
fast calibration
fast
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 - Fee Related
Application number
DE8686111936T
Other languages
English (en)
Inventor
William V Luitje
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.)
Old Carco LLC
Original Assignee
Chrysler 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 Chrysler Corp filed Critical Chrysler Corp
Application granted granted Critical
Publication of DE3682885D1 publication Critical patent/DE3682885D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
DE8686111936T 1985-12-27 1986-08-28 Schnelles eichungsverfahren mit einem mikrocomputer fuer einen elektronischen kompass. Expired - Fee Related DE3682885D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/814,133 US4750349A (en) 1985-12-27 1985-12-27 Microcomputer controlled quick ranging technique and digital filter

Publications (1)

Publication Number Publication Date
DE3682885D1 true DE3682885D1 (de) 1992-01-23

Family

ID=25214260

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686111936T Expired - Fee Related DE3682885D1 (de) 1985-12-27 1986-08-28 Schnelles eichungsverfahren mit einem mikrocomputer fuer einen elektronischen kompass.

Country Status (5)

Country Link
US (1) US4750349A (de)
EP (1) EP0227888B1 (de)
JP (1) JPS62159008A (de)
CA (1) CA1266171A (de)
DE (1) DE3682885D1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3704934A1 (de) * 1987-02-17 1988-08-25 Wellhausen Heinz Elektronischer kompass mit richtungsabhaengigen magnetfeldsensoren
US4807462A (en) * 1987-04-03 1989-02-28 Chrysler Motors Corporation Method for performing automatic calibrations in an electronic compass
JPH07101174B2 (ja) * 1989-01-06 1995-11-01 日産自動車株式会社 車両用方位計
JPH07117415B2 (ja) * 1989-07-17 1995-12-18 日産自動車株式会社 車両用方位計
JP2514254B2 (ja) * 1989-08-11 1996-07-10 日産自動車株式会社 車両用方位計
US5297065A (en) * 1991-12-27 1994-03-22 Chrysler Corporation Magnetic transient detection and calibration technique for an auto-calibrating compass
US5351204A (en) * 1991-12-27 1994-09-27 Chrysler Corporation Scaling system and method for an electronic compass
US5353241A (en) * 1991-12-27 1994-10-04 Al Attar Rafi A Shifting system and method for an electronic compass system
US6301794B1 (en) * 1999-05-27 2001-10-16 Johnson Controls, Inc. Vehicle compass system with continuous automatic calibration
US6760678B1 (en) 2000-04-11 2004-07-06 Electronics Tomorrow Limited Electronic compass
US7098658B2 (en) * 2004-04-01 2006-08-29 Visteon Global Technologies, Inc. Digital signal conditioning solution for a magnetometer circuit
GB201701297D0 (en) 2017-01-26 2017-03-15 Gill Corp Ltd A magnetic field sensor

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3683668A (en) * 1971-01-26 1972-08-15 Sperry Rand Corp Compass calibrator
US3899834A (en) * 1972-10-02 1975-08-19 Westinghouse Electric Corp Electronic 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
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
US4227404A (en) * 1978-04-17 1980-10-14 Century Geophysical Corporation Digital mineral logging system
US4143467A (en) * 1978-05-01 1979-03-13 Sperry Rand Corporation Semi-automatic self-contained magnetic azimuth detector calibration apparatus and method
US4347730A (en) * 1979-01-22 1982-09-07 The United States Of America As Represented By The Secretary Of The Army Method and apparatus for calibrating gyroscopically-stabilized, magnetically-slaved heading reference system
US4424631A (en) * 1982-03-02 1984-01-10 Prince Corporation Electrical compass
US4425717A (en) * 1982-06-24 1984-01-17 Prince Corporation Vehicle magnetic sensor
US4546551A (en) * 1983-03-24 1985-10-15 Prince Corporation Electrical control system
US4505054A (en) * 1983-05-25 1985-03-19 Prince Corporation Magnetic sensor mounting system
US4677381A (en) * 1984-10-19 1987-06-30 Prince Corporation Flux-gate sensor electrical drive method and circuit
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
US4622843A (en) * 1985-12-27 1986-11-18 Hormel Ronald F Simplified calibration technique and auto ranging circuit for an electronic compass control circuit

Also Published As

Publication number Publication date
EP0227888A2 (de) 1987-07-08
US4750349A (en) 1988-06-14
EP0227888A3 (en) 1989-04-05
CA1266171A (en) 1990-02-27
EP0227888B1 (de) 1991-12-11
JPS62159008A (ja) 1987-07-15

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Legal Events

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