Patent · US Expired

Sagnac-type fiber-optic gyro with 3.times.coupler arrangement for controlling intensity and wavelength of light source

US5227860A · kind A · utility

4Cited by

3References

8Claims

0Family size

Assignee

Messerschmitt Bolkow Blohm GmbH · DE

Inventors

Engelbert Hartl · Munich, DE
Hans Poisel · Leinburg, DE
Gert Trommer · Munich, DE

Key dates

Filing date	Oct 24, 1991
Grant date	Jul 13, 1993
Priority date	—
Expiry date	Oct 24, 2011

Classification

Technology area (CPC G)Physics
CPC primaryG01C19/725
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A Sagnac-type fiber optic gyro having a control and analysis unit which controls the intensity and the center wave length of the light emitted from the light source in such a manner that the ratio of the output signal of the light detector to the output signal of its monitoring detector is constant.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.