FR2670001B1 - - Google Patents
Info
- Publication number
- FR2670001B1 FR2670001B1 FR9015142A FR9015142A FR2670001B1 FR 2670001 B1 FR2670001 B1 FR 2670001B1 FR 9015142 A FR9015142 A FR 9015142A FR 9015142 A FR9015142 A FR 9015142A FR 2670001 B1 FR2670001 B1 FR 2670001B1
- Authority
- FR
- France
- 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 - Fee Related
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
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Drawing Aids And Blackboards (AREA)
- Instructional Devices (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9015142A FR2670001A1 (fr) | 1990-11-30 | 1990-11-30 | Boussole. |
| EP91119032A EP0487955A1 (fr) | 1990-11-30 | 1991-11-08 | Boussole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9015142A FR2670001A1 (fr) | 1990-11-30 | 1990-11-30 | Boussole. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2670001A1 FR2670001A1 (fr) | 1992-06-05 |
| FR2670001B1 true FR2670001B1 (cg-RX-API-DMAC7.html) | 1993-02-26 |
Family
ID=9402860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR9015142A Granted FR2670001A1 (fr) | 1990-11-30 | 1990-11-30 | Boussole. |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0487955A1 (cg-RX-API-DMAC7.html) |
| FR (1) | FR2670001A1 (cg-RX-API-DMAC7.html) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236532B (zh) * | 2013-06-19 | 2018-09-14 | 肖之建 | 快速平衡充油罗盘 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR745442A (cg-RX-API-DMAC7.html) * | 1933-05-10 |
-
1990
- 1990-11-30 FR FR9015142A patent/FR2670001A1/fr active Granted
-
1991
- 1991-11-08 EP EP91119032A patent/EP0487955A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| FR2670001A1 (fr) | 1992-06-05 |
| EP0487955A1 (fr) | 1992-06-03 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |