Patent · US Expired

Apparatus for minimizing the effects of laser intensity reduction at cold temperatures in ring laser gyros

US6108358A · kind A · utility

6Cited by
3References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 13, 1998
Grant dateAug 22, 2000
Priority date
Expiry dateOct 13, 2018

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01C19/66
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A circuit for controlling the run current in a ring laser gyro includes circuitry for sensing temperature, supplying a current to the ring laser gyro and controlling the current supplied to the ring laser gyro and the current varies depending on the temperature. The current changes at predetermined temperature points.

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