Single gyro northfinder
US5369889A · kind A · utility
113Cited by
7References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 7, 1986 |
| Grant date | Dec 6, 1994 |
| Priority date | — |
| Expiry date | Jul 7, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C19/38
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Disclosed is a northfinding apparatus having a single rotation rate sensor secured to a platform. The output of the rotation rate sensor is corrected for tilt and tilt rate of the platform. Measurements of the tilt and tilt rate and the rotation rate are combined to provide an azimuth angle of the platform relative to north.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.