JPH0319928B2 - - Google Patents
Info
- Publication number
- JPH0319928B2 JPH0319928B2 JP12443281A JP12443281A JPH0319928B2 JP H0319928 B2 JPH0319928 B2 JP H0319928B2 JP 12443281 A JP12443281 A JP 12443281A JP 12443281 A JP12443281 A JP 12443281A JP H0319928 B2 JPH0319928 B2 JP H0319928B2
- Authority
- JP
- Japan
- Prior art keywords
- azimuth
- orthogonal
- distortion
- signal
- calculation
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 28
- 230000005856 abnormality Effects 0.000 claims description 11
- 230000005291 magnetic effect Effects 0.000 claims description 10
- 230000002159 abnormal effect Effects 0.000 claims description 7
- 230000005389 magnetism Effects 0.000 description 11
- 238000004804 winding Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000009429 electrical wiring Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 230000005358 geomagnetic field Effects 0.000 description 1
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)
- Measuring Magnetic Variables (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12443281A JPS5826213A (ja) | 1981-08-08 | 1981-08-08 | 方位検出装置 |
US06/355,622 US4497034A (en) | 1981-08-05 | 1982-03-08 | Heading detecting apparatus |
DE19823208483 DE3208483A1 (de) | 1981-08-05 | 1982-03-09 | Kursermittlungseinrichtung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12443281A JPS5826213A (ja) | 1981-08-08 | 1981-08-08 | 方位検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5826213A JPS5826213A (ja) | 1983-02-16 |
JPH0319928B2 true JPH0319928B2 (en]) | 1991-03-18 |
Family
ID=14885335
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12443281A Granted JPS5826213A (ja) | 1981-08-05 | 1981-08-08 | 方位検出装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5826213A (en]) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0781863B2 (ja) * | 1985-10-23 | 1995-09-06 | 日本電装株式会社 | 方位演算システムのための補正装置 |
US4698912A (en) * | 1985-12-11 | 1987-10-13 | The Laitram Corporation | Magnetic compass calibration |
JP2006023318A (ja) * | 2000-10-16 | 2006-01-26 | Dentsu Kiko Kk | 3軸磁気センサ、全方位磁気センサおよびそれらを用いた方位測定方法 |
US6536123B2 (en) | 2000-10-16 | 2003-03-25 | Sensation, Inc. | Three-axis magnetic sensor, an omnidirectional magnetic sensor and an azimuth measuring method using the same |
JP2005108285A (ja) | 2003-09-29 | 2005-04-21 | Funai Electric Co Ltd | 光ディスクドライブ及び光ディスクドライブの回転速度制御方法 |
JP6105221B2 (ja) * | 2012-07-20 | 2017-03-29 | 任天堂株式会社 | 情報処理プログラム、情報処理装置、情報処理システム、および、姿勢算出方法 |
-
1981
- 1981-08-08 JP JP12443281A patent/JPS5826213A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5826213A (ja) | 1983-02-16 |
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