G01C 19/723
Heterodyning fibre optic gyrometers
Official title: {Heterodyning fibre optic gyrometers}
G01C19/723 (Heterodyning fibre optic gyrometers) appears on 16 US grants and 14 published applications in this corpus.
Search patents in G01C- Granted patents
- 16
- Published applications
- 14
- Assignees
- 8
- Inventors
- 28
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 3 |
| 2015 | 2 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 2 |
| 2021 | 5 | 3 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical circuit for compensating optical lead fluctuations in an RFOG25 Aug 2026US 12,716,723 B2Honeywell International Inc.
- Apparatus and method for enhanced beat note detection6 Jan 2026US 12,516,936 B2Honeywell International Inc.
- Fiber-optic gyroscope with a dual-injection polarization-maintaining 3x3 directional coupler for enhanced measurement sensitivity through heterodyne6 May 2025US 12,292,287 B2
- Digital to analog converter for fiber optic gyroscope7 Dec 2021US 11,196,440 B1National Sun Yat-Sen University
- Resonator fiber optic gyroscope with integrated photonics interface16 Nov 2021US 11,175,140 B2Honeywell International Inc.
- Optical circuit for compensating optical lead fluctuations in an rfog12 Jun 2025US 2025/0189312 A1Honeywell International Inc.
- Apparatus and method for enhanced beat note detection27 Feb 2025US 2025/0067560 A1Honeywell International Inc.
- Fiber-optic gyroscope with a dual-injection polarization- maintaining 3x3 directional coupler for enhanced measurement sensitivity through heterodyne2 Nov 2023US 2023/0349696 A1
- Optical phase modulating scheme of a mioc of an interferometer type fiber optic gyroscope3 Jun 2021US 2021/0164782 A1Civitanavi Systems S.R.L.
- Resonator fiber optic gyroscope with integrated photonics interface11 Mar 2021US 2021/0072026 A1Honeywell International Inc.
Most cited
By later US patents
- RFOG with optical heterodyning for optical signal discrimination10US 8,213,019 B2Honeywell International Inc. · 2012
- Systems and methods sideband heterodyning detection10US 9,115,994 B2Honeywell International Inc. · 2015
- Resonator fiber optic gyroscope without frequency overlap in sideband-heterodyne-detection modulations9US 9,121,708 B1Honeywell International Inc. · 2015
- Diverging waveguide atomic gyroscope7US 9,766,071 B2Honeywell International Inc. · 2017
- Optical sensor for rotational movements having an optical running period element6US 5,440,389 ARobert Bosch GmbH · 1995