FR1464612A - Boussole - Google Patents
BoussoleInfo
- Publication number
- FR1464612A FR1464612A FR20527A FR20527A FR1464612A FR 1464612 A FR1464612 A FR 1464612A FR 20527 A FR20527 A FR 20527A FR 20527 A FR20527 A FR 20527A FR 1464612 A FR1464612 A FR 1464612A
- Authority
- FR
- France
- Prior art keywords
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Level Indicators Using A Float (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR20527A FR1464612A (fr) | 1965-06-11 | 1965-06-11 | Boussole |
BE682151D BE682151A (fr) | 1965-06-11 | 1966-06-06 | |
US555804A US3373498A (en) | 1965-06-11 | 1966-06-07 | Magnetic compass |
DE19661548400 DE1548400A1 (de) | 1965-06-11 | 1966-06-10 | Kompass |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR20527A FR1464612A (fr) | 1965-06-11 | 1965-06-11 | Boussole |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1464612A true FR1464612A (fr) | 1967-01-06 |
Family
ID=8581743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR20527A Expired FR1464612A (fr) | 1965-06-11 | 1965-06-11 | Boussole |
Country Status (4)
Country | Link |
---|---|
US (1) | US3373498A (fr) |
BE (1) | BE682151A (fr) |
DE (1) | DE1548400A1 (fr) |
FR (1) | FR1464612A (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4848002A (en) * | 1988-04-21 | 1989-07-18 | Carmona Angel G | Self-centering needle-less magnetic compass |
US6388575B1 (en) | 1999-11-05 | 2002-05-14 | Industrial Technology, Inc. | Addressable underground marker |
US6380857B1 (en) | 2000-10-16 | 2002-04-30 | Industrial Technology, Inc. | Self leveling underground marker |
US7118549B2 (en) * | 2003-10-31 | 2006-10-10 | Codman & Shurtleff, Inc. | Shunt system including a flow control device for controlling the flow of cerebrospinal fluid out of a brain ventricle |
US9234753B2 (en) * | 2013-06-18 | 2016-01-12 | Frank Sanns, Jr. | Fluid or low friction permanent magnet compass |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US390115A (en) * | 1888-09-25 | Pateiok beenabd delany | ||
US2260396A (en) * | 1939-02-15 | 1941-10-28 | Jr Carl L Otto | Direction indicator |
US3068583A (en) * | 1960-04-06 | 1962-12-18 | Charles E Goshen | Flotation type compass |
-
1965
- 1965-06-11 FR FR20527A patent/FR1464612A/fr not_active Expired
-
1966
- 1966-06-06 BE BE682151D patent/BE682151A/xx unknown
- 1966-06-07 US US555804A patent/US3373498A/en not_active Expired - Lifetime
- 1966-06-10 DE DE19661548400 patent/DE1548400A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
US3373498A (en) | 1968-03-19 |
DE1548400A1 (de) | 1970-04-23 |
BE682151A (fr) | 1966-12-06 |
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