Navigational calculating device
US4208805A · kind A · utility
6Cited by
8References
13Claims
0Family size
Inventor
Key dates
| Filing date | Jun 25, 1979 |
| Grant date | Jun 24, 1980 |
| Priority date | — |
| Expiry date | Jun 25, 1999 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01B3/563
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
This disclosure relates to a new navigational calculating device which provides a mechanical means of solving position finding problems by solving a plane right triangle. It is an alternative to traverse tables, trigonometric formulas, and chart plotting for determining a dead reckoning position. It is particularly useful for small water-going craft in which conventional methods of navigation are difficult or impractical.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.