Patent · US Expired

Method for regulating the operating frequency and multifunctional integrated circuit chip for a fiber-optic gyroscope

US7283246B2 · kind B2 · utility

1Cited by

8References

3Claims

0Family size

Assignee

LITEF GmbH · DE

Inventors

Sven Voigt · Glückstadt, DE
Guenter Spahlinger · Stuttgart, DE

Key dates

Filing date	Sep 17, 2003
Grant date	Oct 16, 2007
Priority date	—
Expiry date	Feb 26, 2024

Classification

Technology area (CPC G)Physics
CPC primaryG01C19/72
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A method for regulating the operating frequency of a closed loop fiber optic gyroscope. The demodulated output signal of a detector, as actual signal, is applied to the input of a main controller and, via a gating filter, to a VCO that determines the system clock of the FOG. An additional modulation signal, as analog signal is fed to separate phase correction electrodes that are formed together with the electrodes of a digital phase modulator in an integrated optical chip.

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