Ring laser gyro
US5347360A · kind A · utility
2Cited by
9References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 13, 1989 |
| Grant date | Sep 13, 1994 |
| Priority date | — |
| Expiry date | Sep 13, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C19/661
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A ring laser gyro uses means for shaping the gas flow, which inevitably develops as a result of a DC discharge, to optimize the effect of the Fresnel-Fizeau drag on the output signal of the gyro. In one embodiment, a sufficient component of the gain medium flow is provided to produce a substantially constant Fresnel-Fizeau component of the output signal even in the presence of variations of the discharge current. In another embodiment, a sufficient component of gain medium flow is provided to substantially eliminate the Fresnel-Fizeau component of the output signal at a predetermined level of discharge current.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.