JPH0138243B2 - - Google Patents
Info
- Publication number
- JPH0138243B2 JPH0138243B2 JP56197893A JP19789381A JPH0138243B2 JP H0138243 B2 JPH0138243 B2 JP H0138243B2 JP 56197893 A JP56197893 A JP 56197893A JP 19789381 A JP19789381 A JP 19789381A JP H0138243 B2 JPH0138243 B2 JP H0138243B2
- Authority
- JP
- Japan
- Prior art keywords
- correction
- display
- section
- azimuth
- output
- 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
- 238000012937 correction Methods 0.000 claims description 70
- 230000035945 sensitivity Effects 0.000 claims description 13
- 230000005415 magnetization Effects 0.000 claims description 6
- 230000015654 memory Effects 0.000 description 27
- 238000006243 chemical reaction Methods 0.000 description 15
- 230000008859 change Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 238000012545 processing Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000005389 magnetism Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000284 extract Substances 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 230000001186 cumulative effect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000009466 transformation 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)
- Traffic Control Systems (AREA)
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56197893A JPS5899713A (ja) | 1981-12-09 | 1981-12-09 | 移動体用コ−ス誘導装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56197893A JPS5899713A (ja) | 1981-12-09 | 1981-12-09 | 移動体用コ−ス誘導装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5899713A JPS5899713A (ja) | 1983-06-14 |
| JPH0138243B2 true JPH0138243B2 (enrdf_load_stackoverflow) | 1989-08-11 |
Family
ID=16382038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56197893A Granted JPS5899713A (ja) | 1981-12-09 | 1981-12-09 | 移動体用コ−ス誘導装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5899713A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5090231A (en) * | 1988-10-07 | 1992-02-25 | Gallagher Lawrence W | Electronic compass system |
-
1981
- 1981-12-09 JP JP56197893A patent/JPS5899713A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5899713A (ja) | 1983-06-14 |
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