DE3380313D1 - Electrical compass - Google Patents

Electrical compass

Info

Publication number
DE3380313D1
DE3380313D1 DE8383300812T DE3380313T DE3380313D1 DE 3380313 D1 DE3380313 D1 DE 3380313D1 DE 8383300812 T DE8383300812 T DE 8383300812T DE 3380313 T DE3380313 T DE 3380313T DE 3380313 D1 DE3380313 D1 DE 3380313D1
Authority
DE
Germany
Prior art keywords
electrical compass
compass
electrical
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
DE8383300812T
Other languages
English (en)
Inventor
Jeffrey Lamont Franks
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 Interiors Technology Corp
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
Application filed by Prince Corp USA filed Critical Prince Corp USA
Application granted granted Critical
Publication of DE3380313D1 publication Critical patent/DE3380313D1/de
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
    • G01C17/02—Magnetic compasses
    • G01C17/28—Electromagnetic compasses
    • G01C17/30—Earth-inductor compasses
DE8383300812T 1982-03-02 1983-02-17 Electrical compass Expired DE3380313D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/353,896 US4424631A (en) 1982-03-02 1982-03-02 Electrical compass

Publications (1)

Publication Number Publication Date
DE3380313D1 true DE3380313D1 (en) 1989-09-07

Family

ID=23391043

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383300812T Expired DE3380313D1 (en) 1982-03-02 1983-02-17 Electrical compass

Country Status (6)

Country Link
US (1) US4424631A (de)
EP (1) EP0087890B1 (de)
JP (2) JPS58161819A (de)
CA (1) CA1184376A (de)
DE (1) DE3380313D1 (de)
ES (1) ES520188A0 (de)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3370861D1 (en) * 1982-12-30 1987-05-14 Nautech Ltd Compass systems
US4677381A (en) * 1984-10-19 1987-06-30 Prince Corporation Flux-gate sensor electrical drive method and circuit
US4750349A (en) * 1985-12-27 1988-06-14 Chrysler Motors Corporation Microcomputer controlled quick ranging technique and digital filter
US4622843A (en) * 1985-12-27 1986-11-18 Hormel Ronald F Simplified calibration technique and auto ranging circuit for an electronic compass control circuit
US4807462A (en) * 1987-04-03 1989-02-28 Chrysler Motors Corporation Method for performing automatic calibrations in an electronic compass
US4791729A (en) * 1987-04-22 1988-12-20 Suda Raymond A Electronic compass and method
US5090231A (en) * 1988-10-07 1992-02-25 Gallagher Lawrence W Electronic compass system
US5614885A (en) * 1988-12-05 1997-03-25 Prince Corporation Electrical control system for vehicle options
US5223814A (en) * 1988-12-05 1993-06-29 Prince Corporation Sensor for vehicle accessories
US5475366A (en) * 1988-12-05 1995-12-12 Prince Corporation Electrical control system for vehicle options
US5455716A (en) * 1990-08-14 1995-10-03 Prince Corporation Vehicle mirror with electrical accessories
US5469298A (en) * 1991-08-14 1995-11-21 Prince Corporation Reflective display at infinity
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
US5297065A (en) * 1991-12-27 1994-03-22 Chrysler Corporation Magnetic transient detection and calibration technique for an auto-calibrating compass
US5297063A (en) * 1991-12-27 1994-03-22 Chrysler Corporation Method for selecting calibration data for an auto-calibrating compass
US5323336A (en) * 1991-12-27 1994-06-21 Chrysler Corporation Noise removal 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
US5828984A (en) * 1991-12-27 1998-10-27 Chrysler Corporation Data processing method for an electronic compass system
US5351204A (en) * 1991-12-27 1994-09-27 Chrysler Corporation Scaling system and method for an electronic compass
US5339529A (en) * 1992-12-14 1994-08-23 Prince Corporation Magnetic sensor mount
ES2070702B1 (es) * 1992-12-31 1997-03-01 Alcatel Standard Electrica Dispositivo sensor de campo magnetico.
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
US5924212A (en) * 1996-10-09 1999-07-20 Donnelly Corporation Electronic compass
US6587573B1 (en) 2000-03-20 2003-07-01 Gentex Corporation System for controlling exterior vehicle lights
US5995000A (en) * 1998-06-09 1999-11-30 Lear Corporation Wireless compass for vehicles
US6301794B1 (en) 1999-05-27 2001-10-16 Johnson Controls, Inc. Vehicle compass system with continuous automatic calibration
ITCA20000011A1 (it) 2000-05-03 2001-11-05 Sulas Sergio Bussola elettronica.
DE10031244A1 (de) * 2000-06-27 2002-01-17 Daimler Chrysler Ag Postions-und Lagebestimmungssystem
KR100817575B1 (ko) * 2000-07-25 2008-03-31 월풀 에쎄.아. 단상 유도 모터 시동용 전자 회로
US6472993B1 (en) 2001-10-16 2002-10-29 Pittway Corp. Singular housing window or door intrusion detector using earth magnetic field sensor
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
US7098658B2 (en) * 2004-04-01 2006-08-29 Visteon Global Technologies, Inc. Digital signal conditioning solution for a magnetometer circuit
US20050206099A1 (en) * 2004-03-17 2005-09-22 Visteon Global Technologies, Inc. Frequency domain ride control for low bandwidth active suspension systems
CN113359202B (zh) * 2021-06-07 2023-07-25 中国地震局地球物理研究所 基于单片机的磁通门激励信号产生方法及磁通门激励电路

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2025605A1 (de) * 1968-12-07 1970-09-11 Elliott Bros
US3678593A (en) * 1968-12-26 1972-07-25 Sperry Rand Corp Compass system and components therefor having automatic field cancellation
US3903610A (en) * 1972-08-18 1975-09-09 North Atlantic Industries Apparatus for measuring magnetic field direction
DE2929504C2 (de) * 1978-07-21 1984-05-10 Mitsubishi Denki K.K., Tokio/Tokyo Richtungsweiservorrichtung
US4277751A (en) * 1978-09-29 1981-07-07 Neil Brown Instruments Systems, Inc. Low-power magnetometer circuit with constant current drive

Also Published As

Publication number Publication date
EP0087890A2 (de) 1983-09-07
JPS58161819A (ja) 1983-09-26
EP0087890A3 (en) 1986-03-26
US4424631A (en) 1984-01-10
ES8407577A1 (es) 1984-09-16
EP0087890B1 (de) 1989-08-02
JPH0559235U (ja) 1993-08-06
CA1184376A (en) 1985-03-26
ES520188A0 (es) 1984-09-16

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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