FR838514A - Compas à liquide - Google Patents
Compas à liquideInfo
- Publication number
- FR838514A FR838514A FR838514DA FR838514A FR 838514 A FR838514 A FR 838514A FR 838514D A FR838514D A FR 838514DA FR 838514 A FR838514 A FR 838514A
- Authority
- FR
- France
- Prior art keywords
- liquid compass
- compass
- liquid
- 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
- G01C17/06—Suspending magnetic elements
- G01C17/08—Suspending magnetic elements by flotation
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Adjustable Resistors (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Level Indicators Using A Float (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES127384D DE745984C (de) | 1937-05-30 | 1937-05-30 | Magnetkompass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR838514A true FR838514A (fr) | 1939-03-08 |
Family
ID=7537467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR838514D Expired FR838514A (fr) | 1937-05-30 | 1938-05-28 | Compas à liquide |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2205548A (fr) |
| DE (1) | DE745984C (fr) |
| FR (1) | FR838514A (fr) |
| GB (1) | GB515324A (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4156178A (en) * | 1977-05-19 | 1979-05-22 | Stockton Raymond F | Terrestrial magnetism responsive device including a pair of balanced north seeking magnets rotatable on a magnetic axis |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE638958C (de) * | 1936-11-26 | Kupfer Asbest Co Metallwarenfa | Rosenkoerper fuer Fluessigkeitskompasse | |
| DE562071C (de) * | 1932-10-21 | Paul Wilhelm Lyth | Schwimmkompass | |
| GB147194A (en) * | 1913-10-02 | 1921-10-07 | Werkstaetten Fuer Praecisions | Improvements in or relating to aerial navigation apparatus |
| US1961312A (en) * | 1927-06-18 | 1934-06-05 | Vion Eugene | Magnetic compass for aviation, navigation, and other purposes |
| FR760027A (fr) * | 1932-09-24 | 1934-02-15 | Siemens Ag | Compas à liquide |
| FR762684A (fr) * | 1933-01-07 | 1934-04-16 | Perfectionnement aux boussoles |
-
1937
- 1937-05-30 DE DES127384D patent/DE745984C/de not_active Expired
-
1938
- 1938-05-24 US US209833A patent/US2205548A/en not_active Expired - Lifetime
- 1938-05-28 FR FR838514D patent/FR838514A/fr not_active Expired
- 1938-05-30 GB GB16160/38A patent/GB515324A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE745984C (de) | 1944-05-31 |
| GB515324A (en) | 1939-12-01 |
| US2205548A (en) | 1940-06-25 |
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