Interferometric voltage sensor with error compensation
US-11193959-B2 · Dec 7, 2021 · US
with counter-rotating light beams in a passive ring, e.g. fibre laser gyrometers
with counter-rotating light beams in a passive ring, e.g. fibre laser gyrometers · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01C19/72 |
| Official title | with counter-rotating light beams in a passive ring, e.g. fibre laser gyrometers |
| Display label | with counter-rotating light beams in a passive ring, e.g. fibre laser gyrometers |
| Total patents | 96 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 14 |
| 2017 | 8 |
| 2018 | 11 |
| 2019 | 8 |
| 2020 | 5 |
| 2021 | 13 |
| 2022 | 7 |
| 2023 | 5 |
| 2024 | 5 |
| 2025 | 10 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gain-coupled resonator gyroscope
US-11131547-B2 · Sep 28, 2021 · US
RFOG resonance hopping
US-11002544-B2 · May 11, 2021 · US
Optical gyroscope
US-10921125-B2 · Feb 16, 2021 · US
Systems and methods for correcting errors in gyroscopes
US-10914587-B1 · Feb 9, 2021 · US
Ring laser gyroscopes with active volume Bragg grating
US-10907967-B1 · Feb 2, 2021 · US
Systems and methods for correcting errors in gyroscopes
US-2021025709-A1 · Jan 28, 2021 · US
Apparatus for enhanced beat note detection
US-10837779-B2 · Nov 17, 2020 · US
All-fiber bidirectional synchronously pumped ultrafast ring oscillator for precision sensing
US-10741989-B2 · Aug 11, 2020 · US
Gain-coupled resonator gyroscope
US-2020249023-A1 · Aug 6, 2020 · US
Optical Gyroscope
US-2020158506-A1 · May 21, 2020 · US
Apparatus and method for enhanced beat note detection
US-2020025568-A1 · Jan 23, 2020 · US
Phase Noise-Modulated Broadband Light Source Apparatus And Method
US-2019384076-A1 · Dec 19, 2019 · US
Gyro rate computation for an interferometric fiber optic gyro
US-10502585-B2 · Dec 10, 2019 · US
Systems, methods, and devices for detecting magneto-optic kerr effect
US-2019346267-A1 · Nov 14, 2019 · US
All-fiber bidirectional synchronously pumped ultrafast ring oscillator for precision sensing
US-2019296516-A9 · Sep 26, 2019 · US
Compact three-frequency resonant optical gyroscope
US-10371524-B2 · Aug 6, 2019 · US
Hollow core fiber pigtail system and method
US-10260881-B2 · Apr 16, 2019 · US
All-fiber bidirectional synchronously pumped ultrafast ring oscillator for precision sensing
US-2019103722-A1 · Apr 4, 2019 · US
Dual-comb spectroscopy with a free-running bidirectionally mode-locked fiber laser
US-10197442-B2 · Feb 5, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01C19/72?
- CPC G01C19/72 is the Cooperative Patent Classification code for “with counter-rotating light beams in a passive ring, e.g. fibre laser gyrometers.”
- How many patents are filed under CPC G01C19/72 (with counter-rotating light beams in a passive ring, e.g. fibre laser gyrometers)?
- Our database includes 96 publications tagged with this CPC code.
- Is patent activity under CPC G01C19/72 growing?
- Publication counts under this code: 5 in 2024 vs 10 in 2025 (latest complete years).