Fibre optic gyroscope with temperature compensation
US4708479A · kind A · utility
2Cited by
2References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 10, 1984 |
| Grant date | Nov 24, 1987 |
| Priority date | — |
| Expiry date | Aug 10, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01D5/35322
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A fibre optic gyroscope is provided with temperature compensation means which impose on the coiled fibre a thermal coefficient of expansion which is selected to be approximately equal in value to the refractive index temperature coefficient of the fibre, thereby reducing the Scale Factor temperature coefficient. The temperature compensation means may be in the form of a former element or a coating applied to the fibre.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.