ClassID:

164618

G01C19/72 - CPC Classification

Classification description:

Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects; Turn-sensitive devices without moving masses; Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams with counter-rotating light beams in a passive ring, e.g. fibre laser gyrometers

Sub-classes:
Recent Application in this class:
#1
20250012572
2025-01-09

RESONATOR OPTICAL GYROSCOPES WITH DUAL BROADBAND LIGHT SOURCES

#2
20250003751
2025-01-02

MITIGATING BIAS INSTABILITIES IN OPTICAL GYROSCOPES

#3
20240402335
2024-12-05

METHOD FOR DETERMINING OCCUPANCY INSIDE A MOTOR VEHICLE

#4
20240401950
2024-12-05

FIBER OPTIC GYROSCOPE WITH OPTICAL GATING FOR SPIKE SUPPRESSION

#5
20240337790
2024-10-10

INTEGRATED PHOTONICS OPTICAL GYROSCOPES WITH IMPROVED SENSITIVITY UTILIZING HIGH DENSITY SILICON NITRIDE WAVEGUIDES

#6
20240210559
2024-06-27

Sidescan sonar towfish with fiber optic gyroscopic sensing

#7
20240167818
2024-05-23

METHOD FOR REDUCING THE KERR EFFECT IN AN INTERFEROMETRY MEASURING DEVICE, AND INTERFEROMETRY MEASURING DEVICE CONFIGURED TO IMPLEMENT THIS METHOD

#8
20230185023
2023-06-15

Integrated photonics optical gyroscopes with improved sensitivity utilizing high density silicon nitride waveguides

#9
20230008033
2023-01-12

FOLDING SAGNAC INERTIA MEASUREMENT UNIT

#10
20220215279
2022-07-07

Federated quantum computing distributed architecture

#11
20220196404
2022-06-23

NON-INTERFEROMETRIC OPTICAL GYROSCOPE BASED ON POLARIZATION SENSING

#12
20220128362
2022-04-28

Systems and methods for enhanced optical power control

#13
20220003927
2022-01-06

Integrated photonics optical gyroscopes with improved sensitivity utilizing high density silicon nitride waveguides

#14
20210333105
2021-10-28

Gyroscope, electronic device and method of detecting angular velocity

#15
20210140768
2021-05-13

Multi-layer silicon nitride waveguide based integrated photonics optical gyroscope chip

#16
20210116245
2021-04-22

DEVICE FOR MEASURING AT LEAST ONE SPEED OF ROTATION OF A HEAD OF A USER ABOUT AN AXIS

#17
20210025709
2021-01-28

Systems and methods for correcting errors in gyroscopes

#18
20210025708
2021-01-28

RFOG resonance hopping

#19
20200249023
2020-08-06

Gain-coupled resonator gyroscope

#20
20200080845
2020-03-12

Non-interferometric optical gyroscope based on polarization sensing

#21
20190346267
2019-11-14

Systems, methods, and devices for detecting magneto-optic Kerr effect

#22
20190296516
2019-09-26

All-fiber bidirectional synchronously pumped ultrafast ring oscillator for precision sensing

#23
20190234739
2019-08-01

Non-interferometric optical gyroscope based on polarization sensing and implementations of closed loop control allowing for slow phase modulation

#24
20190103722
2019-04-04

All-fiber bidirectional synchronously pumped ultrafast ring oscillator for precision sensing

#25
20180347986
2018-12-06

Hollow core fiber pigtail system and method

#26
20180274926
2018-09-27

Integrated optic wavemeter and method for fiber optic gyroscopes scale factor stabilization

#27
20180216996
2018-08-02

Dual-comb spectroscopy with a free-running bidirectionally mode-locked fiber laser

#28
20180202809
2018-07-19

Non-interferometric optical gyroscope based on polarization sensing

#29
20180067147
2018-03-08

Interferometric voltage sensor with error compensation

#30
20170082420
2017-03-23

Compensated broadband fiber light source with stable mean wavelength

#31
20160320188
2016-11-03

Fiber optic system and method for reducing bias errors in such a fiber optic system

#32
20160246079
2016-08-25

Stabilization gas environments in a proton-exchanged lithium niobate optical chip

#33
20160178375
2016-06-23

Active waveguide optical gyroscope

#34
20160116301
2016-04-28

Gyro rate computation for an interferometric fiber optic gyro

#35
20160116288
2016-04-28

Angular velocity detection method adopting bi-directional full reciprocal coupling optoelectronic oscillator

#36
20160047655
2016-02-18

Resonant fiber optic gyroscope with polarizing crystal waveguide coupler

#37
20150345950
2015-12-03

Non-interferometric optical gyroscope based on polarization sensing

#38
20150260520
2015-09-17

Fiber resonator gyroscope with low round trip loss and high output power

#39
20150241218
2015-08-27

Method and apparatus of monitoring and tracking optical frequency differences of modulated beams

#40
20150116722
2015-04-30

Dispersion managed interferometric fiber optic gyroscope

#41
20150015892
2015-01-15

RFOG with low chromatic dispersion

#42
20140320863
2014-10-30

Optical sensors using stimulated brillouin scattering

#43
20140218739
2014-08-07

Interferometer employing a multi-waveguide optical loop path and fiber optic rotation rate sensor employing same

#44
20140198318
2014-07-17

Method and apparatus for producing fiber optic gyroscope sensing coil using B-stage adhesive coated optical fiber

#45
20140198317
2014-07-17

STABLIZED PUMP LASER WITH OUTPUT REFLECTOR ON POLARIZING OPTICAL FIBER

#46
20140185053
2014-07-03

OPTICAL INTERFEROMETRIC APPARATUS

#47
20140132961
2014-05-15

Fiber optic gyroscope with front end polarizer

#48
20130321817
2013-12-05

All-fiber interferometric fiber optic gyroscope having a minimum reciprocal configuration

#49
20130215430
2013-08-22

Suppression of quantization noise in a fiber-optic sagnac interferometer

#50
20130135623
2013-05-30

Digital signal processing method and device of fiber-optic gyroscope, and fiber-optic gyroscope

#51
20130050709
2013-02-28

SAGNAC INTERFEROMETER WITH BUNDLE-FIBER COIL

#52
20130033737
2013-02-07

Method of making a fiber optic gyroscope

#53
20120182551
2012-07-19

Free space single-mode fibers and fiber components for fiber sensor applications

#54
20120133923
2012-05-31

Interferometer with a fiber optic having a high PMD in coupled mode, fiber optic gyroscope (FOG), and inertial navigation system including such a gyroscope

#55
20120092676
2012-04-19

All-fiber interferometric fiber optic gyroscope for inhibiting zero drift

#56
20120013912
2012-01-19

All-fiber interferometric fiber optic gyroscope having a minimum reciprocal configuration

#57
20110308296
2011-12-22

High-frequency, hexapod six degree-of-freedom shaker

#58
20110255094
2011-10-20

Optical gyroscope sensors based on optical whispering gallery mode resonators

#59
20110181887
2011-07-28

Synchronous radiation hardened fiber optic gyroscope

#60
20110037985
2011-02-17

Resonator optical gyroscope having input beam modulation optimized for high sensitivity and low bias

#61
20110037972
2011-02-17

Interferometer employing a multi-waveguide optical loop path and fiber optic rotation rate sensor employing same

#62
20110013194
2011-01-20

Alternate modulation scheme for an interferometric fiber optic gyroscope

#63
20100328673
2010-12-30

High-index contrast waveguide optical gyroscope having segmented paths

#64
20100225922
2010-09-09

Cavity length modulation in resonator fiber optic gyroscopes

#65
20100165350
2010-07-01

Differential birefringent fiber frequency-modulated continuous-wave Sagnac gyroscope

#66
20100157310
2010-06-24

Optical system for creating interference between photons

#67
20100053631
2010-03-04

Fiber optic gyroscope with auxiliary function

#68
20090225323
2009-09-10

Method and apparatus for monitoring angle random walk of a fiber optic gyroscope

#69
20090091763
2009-04-09

Microgyroscope

#70
20090079989
2009-03-26

Optical fiber coating system and monitoring method for improved thermal performance in fiber optic sensors

#71
20090046294
2009-02-19

Sagnac sensor with nested waveguides

#72
20080018902
2008-01-24

Embedded interferometric fiber optic gyroscope systems and methods

#73
20070263224
2007-11-15

Integrated optical rotation sensor and method for sensing rotation rate

#74
20070153289
2007-07-05

Coupled and non-coupled opto-electronic oscillators with enhanced performance

#75
20070096042
2007-05-03

Wavelength stabilized light source

#76
20070086014
2007-04-19

System and method for recovering lost data in a gyroscope sensor system

#77
20070052969
2007-03-08

Fiber-optic interferometric rotation speed sensor including a non-linear mirror

#78
20060258036
2006-11-16

Waveguide with reduced higher modes

#79
20060232782
2006-10-19

Optical power measurement of a closed loop fiber optic gyroscope

#80
20060164651
2006-07-27

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

#81
20060149473
2006-07-06

Method for determining and compensating the scale factor error caused by a wavelength change in a GPS-based inertial navigation system

#82
20060132788
2006-06-22

Ring laser gyroscope that does not require mirrors

#83
20050270540
2005-12-08

Stimulated rate optical power measurement in a fiber optic gyroscope

#84
19035744
2025-06-17

Compact fiber optic gyroscope with feedback-enhanced frequency interferometry for precision measurement

#85
18626209
2024-10-22

Mitigating bias instabilities in optical gyroscopes

#86
18329609
2023-10-03

Vehicle hull with interferometric fiber-optic gyroscope

#87
14690148
2016-07-12

Three-laser resonator fiber optic gyroscope with enhanced frequency reference cavity

#88
13158865
2014-09-02

Multi-axis fiber optic gyroscope with single light source

#89
7575319
2015-08-25

Fused PM fiber single-polarization resonator