BE540451A - - Google Patents
Info
- Publication number
- BE540451A BE540451A BE540451DA BE540451A BE 540451 A BE540451 A BE 540451A BE 540451D A BE540451D A BE 540451DA BE 540451 A BE540451 A BE 540451A
- Authority
- BE
- Belgium
- Prior art keywords
- disc
- representation
- celestial
- bearing
- stars
- Prior art date
Links
- 230000000875 corresponding Effects 0.000 claims description 7
- GHASVSINZRGABV-UHFFFAOYSA-N 5-flurouricil Chemical compound FC1=CNC(=O)NC1=O GHASVSINZRGABV-UHFFFAOYSA-N 0.000 claims 1
- 229940001981 Carac Drugs 0.000 claims 1
- 239000003550 marker Substances 0.000 claims 1
- 241000945470 Arcturus Species 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000001191 orthodromic Effects 0.000 description 1
- 230000036633 rest Effects 0.000 description 1
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
- G01C21/02—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by astronomical means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G1/00—Hand manipulated computing devices
- G06G1/0005—Hand manipulated computing devices characterised by a specific application
- G06G1/0052—Hand manipulated computing devices characterised by a specific application for air navigation or sea navigation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G1/00—Hand manipulated computing devices
- G06G1/02—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales
- G06G1/04—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction
- G06G1/08—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction with circular or helical scales
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Astronomy & Astrophysics (AREA)
- Automation & Control Theory (AREA)
- Ocean & Marine Engineering (AREA)
- Mathematical Physics (AREA)
- Instructional Devices (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE540451A true BE540451A (de) |
Family
ID=169807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE540451D BE540451A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE540451A (de) |
-
0
- BE BE540451D patent/BE540451A/fr unknown
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