GB2245063B - Compass - Google Patents
CompassInfo
- Publication number
- GB2245063B GB2245063B GB9110313A GB9110313A GB2245063B GB 2245063 B GB2245063 B GB 2245063B GB 9110313 A GB9110313 A GB 9110313A GB 9110313 A GB9110313 A GB 9110313A GB 2245063 B GB2245063 B GB 2245063B
- Authority
- GB
- United Kingdom
- 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 - 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
- G01C17/20—Observing the compass card or needle
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Supports Or Holders For Household Use (AREA)
- Tables And Desks Characterized By Structural Shape (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI902917A FI84756C (fi) | 1990-06-11 | 1990-06-11 | Kompass. |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9110313D0 GB9110313D0 (en) | 1991-07-03 |
GB2245063A GB2245063A (en) | 1991-12-18 |
GB2245063B true GB2245063B (en) | 1994-05-11 |
Family
ID=8530610
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9110313A Expired - Fee Related GB2245063B (en) | 1990-06-11 | 1991-05-13 | Compass |
Country Status (2)
Country | Link |
---|---|
FI (1) | FI84756C (fi) |
GB (1) | GB2245063B (fi) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100437030C (zh) * | 2005-07-18 | 2008-11-26 | 何展辉 | 自动充液排气磁罗经 |
CN106052662A (zh) * | 2016-08-12 | 2016-10-26 | 瑞安市顺风航仪有限公司 | 一种磁罗经 |
CN112525178B (zh) * | 2020-12-11 | 2022-06-24 | 许岩炯 | 一种地质矿产勘查用多功能地质罗盘 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB199988A (en) * | 1922-09-05 | 1923-07-05 | George Wilson Heath | Improvements in mariners' compasses |
GB442817A (en) * | 1935-05-07 | 1936-02-17 | Charles Henry Johnson | Improvements in magnetic compasses |
GB487757A (en) * | 1937-12-23 | 1938-06-24 | Johannes Boysen | Improvements in liquid magnetic compasses |
GB795255A (en) * | 1955-06-04 | 1958-05-21 | Rolex Montres | An improved magnetic compass |
GB2025616A (en) * | 1978-07-13 | 1980-01-23 | Hogg R J C | Magnetic compass |
GB2115149A (en) * | 1982-02-12 | 1983-09-01 | Hilvenna Ltd | Compass |
EP0100683A2 (en) * | 1982-08-02 | 1984-02-15 | S.G. Brown Limited | Apparatus for taking azimuth sights |
EP0150163A2 (en) * | 1984-01-20 | 1985-07-31 | Söderberg, Jan | Orienteering Compass |
-
1990
- 1990-06-11 FI FI902917A patent/FI84756C/fi not_active IP Right Cessation
-
1991
- 1991-05-13 GB GB9110313A patent/GB2245063B/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB199988A (en) * | 1922-09-05 | 1923-07-05 | George Wilson Heath | Improvements in mariners' compasses |
GB442817A (en) * | 1935-05-07 | 1936-02-17 | Charles Henry Johnson | Improvements in magnetic compasses |
GB487757A (en) * | 1937-12-23 | 1938-06-24 | Johannes Boysen | Improvements in liquid magnetic compasses |
GB795255A (en) * | 1955-06-04 | 1958-05-21 | Rolex Montres | An improved magnetic compass |
GB2025616A (en) * | 1978-07-13 | 1980-01-23 | Hogg R J C | Magnetic compass |
GB2115149A (en) * | 1982-02-12 | 1983-09-01 | Hilvenna Ltd | Compass |
EP0100683A2 (en) * | 1982-08-02 | 1984-02-15 | S.G. Brown Limited | Apparatus for taking azimuth sights |
EP0150163A2 (en) * | 1984-01-20 | 1985-07-31 | Söderberg, Jan | Orienteering Compass |
Also Published As
Publication number | Publication date |
---|---|
FI84756C (fi) | 1992-01-10 |
FI84756B (fi) | 1991-09-30 |
GB2245063A (en) | 1991-12-18 |
GB9110313D0 (en) | 1991-07-03 |
FI902917A0 (fi) | 1990-06-11 |
FI902917A (fi) | 1991-09-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20040513 |