Position determination by observing a celestial object transit the sun or moon
US10234533B2 · kind B2 · utility
0Cited by
10References
12Claims
0Family size
Assignee
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Key dates
| Filing date | Sep 9, 2016 |
| Grant date | Mar 19, 2019 |
| Priority date | — |
| Expiry date | Sep 14, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S19/485
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A navigation system determines a position by referring to artificial or natural satellites or other space objects during daylight or when the objects are in a planet's shadow. A telescope and image sensor observe and image shadows of the objects as the objects transit the sun or a sunlit surface of a planet or moon, thereby solving problems related to the two key times during which traditional SkyMark navigation is difficult or impossible.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.