FR779494A - Compas de repérage - Google Patents
Compas de repérageInfo
- Publication number
- FR779494A FR779494A FR779494DA FR779494A FR 779494 A FR779494 A FR 779494A FR 779494D A FR779494D A FR 779494DA FR 779494 A FR779494 A FR 779494A
- Authority
- FR
- France
- Prior art keywords
- compass
- tracking
- tracking 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
- G01C17/04—Magnetic compasses with north-seeking magnetic elements, e.g. needles
- G01C17/10—Comparing observed direction with north indication
- G01C17/12—Comparing observed direction with north indication by sighting means, e.g. for surveyors' compasses
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR779494T | 1934-10-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR779494A true FR779494A (fr) | 1935-04-05 |
Family
ID=9202791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR779494D Expired FR779494A (fr) | 1934-10-05 | 1934-10-05 | Compas de repérage |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR779494A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3410642A (en) * | 1965-06-15 | 1968-11-12 | Chas Jean Bernard | Device for determining the position of a ship |
US4173413A (en) * | 1977-08-15 | 1979-11-06 | Clatworthy Gordon K | Navigation instrument |
-
1934
- 1934-10-05 FR FR779494D patent/FR779494A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3410642A (en) * | 1965-06-15 | 1968-11-12 | Chas Jean Bernard | Device for determining the position of a ship |
US4173413A (en) * | 1977-08-15 | 1979-11-06 | Clatworthy Gordon K | Navigation instrument |
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