Patent · US Expired

Sagnac-type optical fiber gyroscope having depolarizers of differing lengths

US5347354A · kind A · utility

5Cited by
3References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 22, 1992
Grant dateSep 13, 1994
Priority date
Expiry dateJun 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.