FR886979A - Compas fondé sur l'action du champ magnétique terrestre - Google Patents
Compas fondé sur l'action du champ magnétique terrestreInfo
- Publication number
- FR886979A FR886979A FR886979DA FR886979A FR 886979 A FR886979 A FR 886979A FR 886979D A FR886979D A FR 886979DA FR 886979 A FR886979 A FR 886979A
- Authority
- FR
- France
- Prior art keywords
- earth
- action
- magnetic field
- compass based
- compass
- 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
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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE886979X | 1941-01-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR886979A true FR886979A (fr) | 1943-10-29 |
Family
ID=6833570
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR886979D Expired FR886979A (fr) | 1941-01-31 | 1942-08-18 | Compas fondé sur l'action du champ magnétique terrestre |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR886979A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3516173A (en) * | 1967-01-18 | 1970-06-23 | Bunker Ramo | Navigation apparatus |
-
1942
- 1942-08-18 FR FR886979D patent/FR886979A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3516173A (en) * | 1967-01-18 | 1970-06-23 | Bunker Ramo | Navigation apparatus |
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