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:
May. 26, 2026
Filed:
Mar. 10, 2023
Honeywell International Inc., Charlotte, NC (US);
Jianfeng Wu, Tucson, AZ (US);
Tiequn Qiu, Glendale, AZ (US);
Matthew Wade Puckett, Phoenix, AZ (US);
Steven Tin, Edina, MN (US);
Honeywell International Inc., Charlotte, NC (US);
Abstract
A photonics gyroscope comprises a laser and a common intensity modulation unit that outputs an intensity modulated beam, split into a CCW beam having a first power level and a CW beam having a second power level. A first phase modulator (PA) receives the CCW beam, and a second PA receives the CW beam. A variable optical attenuator (VOA) is coupled to the first or second PA. The CCW beam is coupled into a resonator and the CW beam is coupled into the resonator. A first detector receives the CCW beam and a second detector receives the CW beam from the resonator. A CCW control loop locks the CCW beam, and a CW control loop locks the CW beam, to resonance peaks. The VOA receives a feedback loop signal to aid in balancing power levels between CCW and CW beams to eliminate a rate signal at an intensity modulation frequency.