WO2004076971A3 - Electronic compass system - Google Patents
Electronic compass system Download PDFInfo
- Publication number
- WO2004076971A3 WO2004076971A3 PCT/US2004/005062 US2004005062W WO2004076971A3 WO 2004076971 A3 WO2004076971 A3 WO 2004076971A3 US 2004005062 W US2004005062 W US 2004005062W WO 2004076971 A3 WO2004076971 A3 WO 2004076971A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sensor circuit
- electronic compass
- circuit
- magnetic field
- sensing elements
- Prior art date
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
- G01C17/32—Electron 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
- G01C17/02—Magnetic compasses
- G01C17/28—Electromagnetic 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
- G01C17/02—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
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Navigation (AREA)
- Measuring Magnetic Variables (AREA)
Abstract
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MXPA05008700A MXPA05008700A (en) | 2003-02-24 | 2004-02-24 | Electronic compass system. |
KR1020057015660A KR101221435B1 (en) | 2003-02-24 | 2004-02-24 | Electronic compass system |
JP2006503744A JP4709744B2 (en) | 2003-02-24 | 2004-02-24 | Electronic compass system |
CN2004800050096A CN101208578B (en) | 2003-02-24 | 2004-02-24 | Electronic compass system |
CA002514154A CA2514154C (en) | 2003-02-24 | 2004-02-24 | Electronic compass system |
EP04714077A EP1604171B1 (en) | 2003-02-24 | 2004-02-24 | Electronic compass system |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US44982803P | 2003-02-24 | 2003-02-24 | |
US60/449,828 | 2003-02-24 | ||
US10/784,594 US7149627B2 (en) | 2002-03-01 | 2004-02-23 | Electronic compass system |
US10/784,594 | 2004-02-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2004076971A2 WO2004076971A2 (en) | 2004-09-10 |
WO2004076971A3 true WO2004076971A3 (en) | 2008-02-21 |
Family
ID=32930525
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2004/005062 WO2004076971A2 (en) | 2003-02-24 | 2004-02-24 | Electronic compass system |
Country Status (6)
Country | Link |
---|---|
US (3) | US7149627B2 (en) |
EP (1) | EP1604171B1 (en) |
KR (1) | KR101221435B1 (en) |
CA (1) | CA2514154C (en) |
MX (1) | MXPA05008700A (en) |
WO (1) | WO2004076971A2 (en) |
Cited By (5)
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US9440586B2 (en) | 2002-08-21 | 2016-09-13 | Magna Electronics Inc. | Multi-camera vision system for a vehicle |
US9333916B2 (en) | 2009-10-27 | 2016-05-10 | Magna Mirrors Of America, Inc. | Vehicle interior mirror assembly with unitary bezel and mounting structure |
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US9352691B2 (en) | 2012-11-05 | 2016-05-31 | Magna Mirrors Of America, Inc. | Interior rearview mirror assembly |
CN105292024A (en) * | 2015-11-18 | 2016-02-03 | 江苏省农业科学院 | Guiding device and method for simple agricultural vehicle linear walking |
Also Published As
Publication number | Publication date |
---|---|
CA2514154C (en) | 2009-11-17 |
EP1604171B1 (en) | 2012-11-21 |
EP1604171A2 (en) | 2005-12-14 |
US20070288166A1 (en) | 2007-12-13 |
US7149627B2 (en) | 2006-12-12 |
KR20050113192A (en) | 2005-12-01 |
CA2514154A1 (en) | 2004-09-10 |
US7379814B2 (en) | 2008-05-27 |
WO2004076971A2 (en) | 2004-09-10 |
US20040254727A1 (en) | 2004-12-16 |
MXPA05008700A (en) | 2005-10-05 |
US20070124076A1 (en) | 2007-05-31 |
US7266452B2 (en) | 2007-09-04 |
EP1604171A4 (en) | 2010-12-22 |
KR101221435B1 (en) | 2013-01-11 |
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