ClassID:

164620

G01C19/722 - 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; Details of the mechanical construction

Recent Application in this class:
#1
20260133033
2026-05-14

LOOP PIGTAIL COMPENSATION METHOD FOR FIBER-OPTIC GYROSCOPE, AND FIBER LENGTH COMPENSATOR

#2
20250321102
2025-10-16

TECHNIQUES FOR INCREASING ROUND TRIP PATH LENGTH THROUGH AN OPTICAL RESONATOR COIL WITHOUT SUBSTANTIALLY INCREASING OPTICAL RESONATOR COIL SIZE

#3
20250314495
2025-10-09

MODULATION METHODS AND SYSTEMS FOR NON-RECIPROCAL KERR REDUCTION IN RESONATOR FIBER OPTIC GYROSCOPES

#4
20250207919
2025-06-26

CASCADED OPTICAL MODULATION SYSTEM

#5
20250198759
2025-06-19

MULTI-LAYER DETACHABLE SINGLE-AXIS FIBER OPTIC SENSING DEVICE

#6
20250102303
2025-03-27

DUAL FUNCTION GYRO AND ACCELEROMETER WITH SINGLE MAGNETICALLY LEVITATED PROOF MASS

#7
20250102302
2025-03-27

DIRECTIONAL COUPLER WITH REDUCED PHASE DISTORTION

#8
20250012572
2025-01-09

RESONATOR OPTICAL GYROSCOPES WITH DUAL BROADBAND LIGHT SOURCES

#9
20240426610
2024-12-26

CLOSED LOOP OPERATION OF BROADBAND RESONATOR OPTICAL GYROSCOPE USING SAWTOOTH PHASE MODULATIONS

#10
20240384991
2024-11-21

PASSIVE TOPOLOGICALLY BIASED SAGNAC INTERFEROMETER AS A ROTATIONAL SENSOR CAPABLE OF SENSING MAGNITUDE AND DIRECTION OF ROTATION

#11
20240344827
2024-10-17

MODULATION FOR THERMAL STABILITY IN RESONATOR FIBER OPTIC GYROSCOPE (RFOG)

#12
20240328783
2024-10-03

PHOTONICS GYROSCOPE WITH BROADBAND LIGHT SOURCE

#13
20240271937
2024-08-15

Resonator optical gyroscope with diminished bias error

#14
20240271936
2024-08-15

Transverse magnetic mode travelling wave resonator with at least one Bragg grating and gyroscope applications thereof

#15
20230408257
2023-12-21

Fiber optic gyroscope

#16
20230384098
2023-11-30

Spherical multi-axis optical fiber sensing device, assembling method and movable device

#17
20230314140
2023-10-05

SYSTEMS AND METHODS FOR SAGNAC INTERFEROMETRY

#18
20230296381
2023-09-21

Integrated photonics optical gyroscopes optimized for autonomous vehicles

#19
20230121996
2023-04-20

Process flow with pre-biased mask and wet etching for smooth sidewalls in silicon nitride waveguides

#20
20230047956
2023-02-16

Semi-finished Product for the Construction of a Gyroscope and Gyroscope Including the Semi-finished Product

#21
20230003526
2023-01-05

Process flow for fabricating integrated photonics optical gyroscopes

#22
20220349713
2022-11-03

White light interferometric fiber-optic gyroscope based on rhombic optical path difference bias structure

#23
20220128362
2022-04-28

Systems and methods for enhanced optical power control

#24
20220082384
2022-03-17

Process flow for fabricating integrated photonics optical gyroscopes

#25
20220034660
2022-02-03

Bidirectional optical-carrying microwave resonance system based on circulator structure and method for detecting angular velocity by said system

#26
20210278214
2021-09-09

Process flow for fabricating integrated photonics optical gyroscopes

#27
20210231863
2021-07-29

Multicore fiber optic gyro

#28
20210180953
2021-06-17

Stimulated brillouin scattering gyroscope

#29
20210116246
2021-04-22

Integrated photonics optical gyroscopes optimized for autonomous terrestrial and aerial vehicles

#30
20210072026
2021-03-11

Resonator fiber optic gyroscope with integrated photonics interface

#31
20200355501
2020-11-12

Fiber-optic gyroscope (FOG) assembly

#32
20200278207
2020-09-03

Integrated optical gyroscope with noise cancellation

#33
20200256677
2020-08-13

ATOMIC INTERFEROMETRIC GYROSCOPE

#34
20200249023
2020-08-06

Gain-coupled resonator gyroscope

#35
20200096698
2020-03-26

Etchless acoustic waveguiding in integrated acousto-optic waveguides

#36
20200059062
2020-02-20

SYSTEMS AND METHODS FOR END PUMPED LASER MIRROR STACK ASSEMBLIES

#37
20190353482
2019-11-21

Fiber management assembly for multi-axis fiber optic gyroscope

#38
20190226847
2019-07-25

Microelectromechanical system (MEMS) device readout with optical directional coupler

#39
20190219396
2019-07-18

Apparatus and method for diminished bias error due to polarization mismatch

#40
20190212148
2019-07-11

Resonant fiber optical gyroscope using antiresonant nodeless fiber

#41
20190113343
2019-04-18

Flange-bonded loopback for fiber-optic gyroscope (FOG)

#42
20190041215
2019-02-07

Systems and methods for reducing polarization-related bias errors in RFOGS

#43
20190003834
2019-01-03

Resonant fiber optic gyroscope with hollow core fiber

#44
20180356229
2018-12-13

Integrated optical gyroscope with noise cancellation

#45
20180347986
2018-12-06

Hollow core fiber pigtail system and method

#46
20180252527
2018-09-06

Rotation sensor, rotation sensing method, and applications

#47
20180162679
2018-06-14

Method for producing an optical fiber coil, optical fiber coil and optical fiber interferometer

#48
20180081205
2018-03-22

DOUBLE-LAYER HIGH-CONFINEMENT ACOUSTO-OPTIC WAVEGUIDE

#49
20180081113
2018-03-22

Etchless acoustic waveguiding in integrated acousto-optic waveguides

#50
20180003889
2018-01-04

Kind of low magnetic sensitivity PM-PCF based on mechanical buffer

#51
20170370723
2017-12-28

Electro-optical Phase Modulator Having Stitched-in Vacuum Stable Waveguide with Minimized Conductivity Contrast

#52
20170211952
2017-07-27

Sagnac-ring fiber-optic interferometric system with Rayleigh length spaced polarizer

#53
20160363446
2016-12-15

Interferometric measurement device

#54
20160298446
2016-10-13

Downhole EM sensing using SAGNAC interferometer for wellbore monitoring

#55
20160246079
2016-08-25

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

#56
20160202063
2016-07-14

Energy-efficient optic gyroscope devices

#57
20160195397
2016-07-07

Opto-mechanical inertial sensor

#58
20160153782
2016-06-02

Integrated optical coupler and fibre-optic system having such an integrated optical coupler

#59
20160146607
2016-05-26

Dynamically monitoring the instantaneous zero rotation rate voltage of interferometric fiber optic gyroscope (IFOG)

#60
20150362318
2015-12-17

Sagnac effect based radio frequency electronic gyroscope incorporated in CMOS integrated circuit

#61
20150241218
2015-08-27

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

#62
20150198444
2015-07-16

Systems and methods for controlling the gas conversion in a fiber-optic gyroscope

#63
20150185014
2015-07-02

Fiber optic gyroscope sensing coil and method of fabricating the same

#64
20130107271
2013-05-02

System and method for reducing errors in a resonator fiber optic gyroscope

#65
20130033737
2013-02-07

Method of making a fiber optic gyroscope

#66
20120281226
2012-11-08

Optical sensor using a hollow core waveguide

#67
20120062902
2012-03-15

Fiber optic sensor using a hollow core fiber

#68
20100301352
2010-12-02

Interferometric fiber optic gyroscope with silicon optical bench front-end

#69
20100260930
2010-10-14

Detachable framework used for winding optical fiber coil and a method of producing optical fiber coil

#70
20100238450
2010-09-23

Fiber optic gyroscope using a low-polarization and polarization-maintaining hybrid light path

#71
20100220332
2010-09-02

Fiber optic sensor using a Bragg fiber

#72
20100170076
2010-07-08

Production method for optical fiber coil

#73
20100092126
2010-04-15

Bifilar optical fiber stowage for fiber-optic gyroscope

#74
20090296098
2009-12-03

Reliable low loss hollow core fiber resonator

#75
20090141284
2009-06-04

OCTUPOLE WINDING PATTERN FOR A FIBER OPTIC COIL

#76
20090122318
2009-05-14

Jog zone free fiber optic coil

#77
20090079989
2009-03-26

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

#78
20080285250
2008-11-20

PACKAGING ASSEMBLY FOR AN OPTICAL CHIP IN A GYROSCOPIC UNIT

#79
20080180681
2008-07-31

Fiber optic sensor using a Bragg fiber

#80
20080118208
2008-05-22

Optical fiber composite, devices, and methods of making same

#81
20080101753
2008-05-01

Optical fiber coil and production method therefor

#82
20080079946
2008-04-03

Digital intensity suppression for vibration and radiation insensitivity in a fiber optic gyroscope

#83
20080063344
2008-03-13

Optical fiber coil and production method therefor

#84
20080024786
2008-01-31

Fiber optic gyroscope having a silicon-based optical chip

#85
20080013094
2008-01-17

SEMICONDUCTOR SUBSTRATE FOR INTERFEROMETER FIBER OPTIC GYROSCOPES

#86
20070206196
2007-09-06

Fiber optic sensor coil including a restraining ring and method of forming

#87
20070116417
2007-05-24

Polarization-maintaining optical fiber and optical fiber gyro

#88
20070110365
2007-05-17

Sensing coil assembly and method for attaching a sensing coil in a fiber optic gyroscope

#89
20060268280
2006-11-30

Method for winding sensing coils and sensing coil for fiber optic gyroscopes

#90
20060268278
2006-11-30

Sensing coil assembly and method for attaching a sensing coil in a fiber optic gyroscope

#91
20060221347
2006-10-05

Adhesive system and method for forming a fiber optic gyroscope sensing coil

#92
20050098675
2005-05-12

Apparatus and method of winding optical fiber sensor coil for fiber optic gyroscope

#93
20050062977
2005-03-24

Fiber optic sensing coil with isotropic properties

#94
20050041252
2005-02-24

Reusable, high stiffness, magnetic shield for fiber optic gyroscopes

#95
20050018198
2005-01-27

Integrated reaction wheel assembly and fiber optic gyro

#96
20050008279
2005-01-13

Polymeric material with voids that compress to allow the polymeric material to absorb applied force and decrease reaction force to one or more sensor fibers

#97
19035744
2025-06-17

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

#98
14158641
2015-08-04

Systems and methods for a polarization matched resonator fiber optic gyroscope