Sagnac-type optical fiber gyroscope having depolarizers of differing lengths
US5347354A · kind A · utility
5Cited by
3References
7Claims
0Family size
Assignee
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Key dates
| Filing date | Jun 22, 1992 |
| Grant date | Sep 13, 1994 |
| Priority date | — |
| Expiry date | Jun 22, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C19/721
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A sagnac-type fiber optic gyroscope in which depolarizers are connected to both ends of the fiber coil and are then connected with the outputs of a 3.times.3 directional coupler.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.