SE9900346L - A navigation device which comprises a ruler and a protractor - Google Patents
A navigation device which comprises a ruler and a protractorInfo
- Publication number
- SE9900346L SE9900346L SE9900346A SE9900346A SE9900346L SE 9900346 L SE9900346 L SE 9900346L SE 9900346 A SE9900346 A SE 9900346A SE 9900346 A SE9900346 A SE 9900346A SE 9900346 L SE9900346 L SE 9900346L
- Authority
- SE
- Sweden
- Prior art keywords
- protractor
- ruler
- navigation device
- rule
- sleigh
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/20—Instruments for performing navigational calculations
- G01C21/203—Specially adapted for sailing ships
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/20—Instruments for performing navigational calculations
- G01C21/22—Plotting boards
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
The rule (1) and protractor (9) do not overlap and rollers (12) are provided so that they can be moved in parallel. The protractor is secured to a sleigh (4) which can be slid in the rule length direction.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9900346A SE513612C2 (en) | 1999-02-02 | 1999-02-02 | Maritime navigation device, comprises non overlapping rule and protractor movable in parallel along rollers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9900346A SE513612C2 (en) | 1999-02-02 | 1999-02-02 | Maritime navigation device, comprises non overlapping rule and protractor movable in parallel along rollers |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9900346D0 SE9900346D0 (en) | 1999-02-02 |
SE9900346L true SE9900346L (en) | 2000-08-03 |
SE513612C2 SE513612C2 (en) | 2000-10-09 |
Family
ID=20414330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9900346A SE513612C2 (en) | 1999-02-02 | 1999-02-02 | Maritime navigation device, comprises non overlapping rule and protractor movable in parallel along rollers |
Country Status (1)
Country | Link |
---|---|
SE (1) | SE513612C2 (en) |
-
1999
- 1999-02-02 SE SE9900346A patent/SE513612C2/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SE9900346D0 (en) | 1999-02-02 |
SE513612C2 (en) | 2000-10-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |