The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 24, 2013
Filed:
Dec. 17, 2009
Gregory W Keith, Glendale, AZ (US);
Derek Mead, Scottsdale, AZ (US);
Douglas E. Smith, Phoenix, AZ (US);
Norman Gerard Tarleton, Glendale, AZ (US);
Gregory W Keith, Glendale, AZ (US);
Derek Mead, Scottsdale, AZ (US);
Douglas E. Smith, Phoenix, AZ (US);
Norman Gerard Tarleton, Glendale, AZ (US);
Honeywell International Inc., Morristown, NJ (US);
Abstract
A fiber optic gyroscope includes a light source, an optical coupler in optical communication with the light source, with the optical coupler configured to receive an optical signal from the light source, an optical modulator in optical communication with the optical coupler, and a fiber optic coil in optical communication with the optical modulator. A demodulator is configured to receive an optical signal from the optical coupler and convert the optical signal to an electrical signal. A loop closure electronics module is configured to receive the electrical signal from the demodulator. A bias modulator is responsive to an output from the loop closure electronics module and is configured to output a modulation signal to the optical modulator. A first crosstalk filter network is operatively coupled to the demodulator, and a second crosstalk filter network is operatively coupled to the bias modulator.