Lock-in prevention

Industry

CPC
G01C19/68

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Parent Industries

GPHYSICS G01Measuring instruments G01CMEASURING DISTANCES, LEVELS OR BEARINGS SURVEYING NAVIGATION GYROSCOPIC INSTRUMENTS PHOTOGRAMMETRY OR VIDEOGRAMMETRY G01C19/00Gyroscopes Turn-sensitive devices using vibrating masses Turn-sensitive devices without moving masses Measuring angular rate using gyroscopic effects

Current Industry

G01C19/68Lock-in prevention

Industries

Patents Grantslast 30 patents

Information Patent Grant
Frequency pulling reduction in SBS laser
- Patent number 10,928,200
- Issue date Feb 23, 2021
- Honeywell International Inc.
- Jianfeng Wu
- G01 - MEASURING TESTING
Information Patent Grant
Rotation and acceleration sensor based on nondegenerate ring lasers
- Patent number 10,386,187
- Issue date Aug 20, 2019
- Digital Optics Technologies, Inc.
- Selim M. Shahriar
- G01 - MEASURING TESTING
Information Patent Grant
Rotation and acceleration sensor based on superluminal ring lasers
- Patent number 10,371,523
- Issue date Aug 6, 2019
- Digital Optics Technologies, Inc.
- Selim M. Shahriar
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus and method for diminishing mode lock induced error in sti...
- Patent number 10,288,429
- Issue date May 14, 2019
- Honeywell International Inc.
- Tiequn Qiu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Eliminating ring laser gyro backscatter
- Patent number 9,651,379
- Issue date May 16, 2017
- Honeywell International Inc.
- Carl David Anderson
- G01 - MEASURING TESTING
Information Patent Grant
Ring mirror optical rotation sensor
- Patent number 9,476,713
- Issue date Oct 25, 2016
- King Abdulaziz City for Science and Technology
- Mohamed Yehia Shalaby
- G01 - MEASURING TESTING
Information Patent Grant
Ring laser gyro
- Patent number 8,994,952
- Issue date Mar 31, 2015
- Japan Aviation Electronics Industry, Limited
- Kei Iizuka
- G01 - MEASURING TESTING
Information Patent Grant
Solid-state laser gyro optically active through alternating bias
- Patent number 8,035,818
- Issue date Oct 11, 2011
- Thales
- Sylvain Schwartz
- G01 - MEASURING TESTING
Information Patent Grant
Gyroscope mode shift detection and scale factor compensation
- Patent number 7,916,302
- Issue date Mar 29, 2011
- Honeywell International Inc.
- David O. Fellows
- G01 - MEASURING TESTING
Information Patent Grant
Dither system for motion sensors
- Patent number 6,683,692
- Issue date Jan 27, 2004
- Honeywell International
- Charles McClary
- G01 - MEASURING TESTING
Information Patent Grant
Micro-ring cavity gyroscope with magnetic field lock-in minimization
- Patent number 6,603,558
- Issue date Aug 5, 2003
- University of Delaware
- Janusz A. Murakowski
- G01 - MEASURING TESTING
Information Patent Grant
Dither control system for a ring laser gyro
- Patent number 6,476,918
- Issue date Nov 5, 2002
- Honeywell International Inc.
- Joseph E. Killpatrick
- G01 - MEASURING TESTING
Information Patent Grant
Automatic dither pickoff gain select
- Patent number 6,229,615
- Issue date May 8, 2001
- Honeywell International Inc.
- Andrew J. Karpinski
- G01 - MEASURING TESTING
Information Patent Grant
Laser gyro having controllable lock-in zone width
- Patent number 5,606,416
- Issue date Feb 25, 1997
- Korea Institute of Science and Technology
- Jung Y. Son
- G01 - MEASURING TESTING
Information Patent Grant
Radio frequency excited ring laser gyro
- Patent number 5,442,441
- Issue date Aug 15, 1995
- Litton Systems, Inc.
- Bruce C. Grover
- G01 - MEASURING TESTING
Information Patent Grant
Quantum well bias mirror for phase modulation in a ring laser gyros...
- Patent number 5,416,583
- Issue date May 16, 1995
- Kearfott Guidance & Navigation Corporation
- Martin A. Sanzari
- G02 - OPTICS
Information Patent Grant
Sinusoidal noise injection into the dither of a ring laser gyroscope
- Patent number 5,416,584
- Issue date May 16, 1995
- Honeywell Inc.
- Robert M. Kay
- G01 - MEASURING TESTING
Information Patent Grant
Dual optical amplifier ring laser gyroscope with reduced phase locking
- Patent number 5,414,511
- Issue date May 9, 1995
- Rockwell International Corporation
- Gerald L. Vick
- G01 - MEASURING TESTING
Information Patent Grant
Split gain multimode ring laser gyroscope and method
- Patent number 5,386,288
- Issue date Jan 31, 1995
- Litton Systems, Inc.
- Graham J. Martin
- G01 - MEASURING TESTING
Information Patent Grant
System for substantially eleminating lock-in in a ring laser gyroscope
- Patent number 5,359,413
- Issue date Oct 25, 1994
- Kearfott Guidance & Navigation Corporation
- Timothy H. Chang
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus and method for correcting ring laser gyroscope phase angl...
- Patent number 5,347,359
- Issue date Sep 13, 1994
- Litton Systems, Inc.
- Thomas J. Hutchings
- G01 - MEASURING TESTING
Information Patent Grant
Pulsed diode ring laser gyroscope
- Patent number 5,331,403
- Issue date Jul 19, 1994
- Rockwell International Corporation
- Mark J. Rosker
- G01 - MEASURING TESTING
Information Patent Grant
Ring laser gyro having two magnetic mirrors
- Patent number 5,137,358
- Issue date Aug 11, 1992
- Northrop Corporation
- Harley A. Perkins
- G01 - MEASURING TESTING
Information Patent Grant
Ring laser cavity backscatter measurement
- Patent number 5,090,812
- Issue date Feb 25, 1992
- Northrop Corporation
- Douglas R. Jungwirth
- G01 - MEASURING TESTING
Information Patent Grant
Mirrors
- Patent number 4,900,137
- Issue date Feb 13, 1990
- British Aerospace Public Limited Company
- Walter S. Carter
- G02 - OPTICS
Information Patent Grant
Ring laser gyroscopes
- Patent number 4,653,920
- Issue date Mar 31, 1987
- British Aerospace PLC
- John A. Geen
- G01 - MEASURING TESTING
Information Patent Grant
Discriminant apparatus for a ring laser angular rate sensor
- Patent number 4,648,716
- Issue date Mar 10, 1987
- Honeywell Inc.
- Werner H. Egli
- G01 - MEASURING TESTING
Information Patent Grant
Ring laser lock-in correction apparatus
- Patent number 4,641,970
- Issue date Feb 10, 1987
- Honeywell Inc.
- Harry A. Gustafson
- G01 - MEASURING TESTING
Information Patent Grant
Discriminant apparatus for ring laser angular rate sensors
- Patent number 4,637,723
- Issue date Jan 20, 1987
- Honeywell Inc.
- Werner H. Egli
- G01 - MEASURING TESTING
Information Patent Grant
Dither controller for ring laser angular rotation sensor
- Patent number 4,597,667
- Issue date Jul 1, 1986
- Litton Systems, Inc.
- Robert D. Curby
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS AND METHOD FOR DIMINISHING MODE LOCK INDUCED ERROR IN STI...
- Publication number 20190017824
- Publication date Jan 17, 2019
- HONEYWELL INTERNATIONAL INC.
- Tiequn Qiu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELIMINATING RING LASER GYRO BACKSCATTER
- Publication number 20160138922
- Publication date May 19, 2016
- Honeywell International Inc.
- Carl David Anderson
- G01 - MEASURING TESTING
Information Patent Application
RING LASER GYRO
- Publication number 20140300899
- Publication date Oct 9, 2014
- Japan Aviation Electronics Industry, Limited
- Kei IIZUKA
- G01 - MEASURING TESTING
Information Patent Application
SOLID-STATE LASER GYRO OPTICALLY ACTIVE THROUGH ALTERNATING BIAS
- Publication number 20110194119
- Publication date Aug 11, 2011
- THALES
- Sylvain Schwartz
- G01 - MEASURING TESTING
Information Patent Application
GYROSCOPE MODE SHIFT DETECTION AND SCALE FACTOR COMPENSATION
- Publication number 20100014092
- Publication date Jan 21, 2010
- HONEYWELL
- David O. Fellows
- G01 - MEASURING TESTING
Information Patent Application
Micro-ring cavity gyroscope with magnetic field lock-in minimization
- Publication number 20030020918
- Publication date Jan 30, 2003
- Janusz A. Murakowski
- G01 - MEASURING TESTING
Information Patent Application
Dither system for motion sensors
- Publication number 20020196445
- Publication date Dec 26, 2002
- Charles McClary
- G01 - MEASURING TESTING

Lock-in prevention

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Frequency pulling reduction in SBS laser

Rotation and acceleration sensor based on nondegenerate ring lasers

Rotation and acceleration sensor based on superluminal ring lasers

Apparatus and method for diminishing mode lock induced error in sti...

Eliminating ring laser gyro backscatter

Ring mirror optical rotation sensor

Ring laser gyro

Solid-state laser gyro optically active through alternating bias

Gyroscope mode shift detection and scale factor compensation

Dither system for motion sensors

Micro-ring cavity gyroscope with magnetic field lock-in minimization

Dither control system for a ring laser gyro

Automatic dither pickoff gain select

Laser gyro having controllable lock-in zone width

Radio frequency excited ring laser gyro

Quantum well bias mirror for phase modulation in a ring laser gyros...

Sinusoidal noise injection into the dither of a ring laser gyroscope

Dual optical amplifier ring laser gyroscope with reduced phase locking

Split gain multimode ring laser gyroscope and method

System for substantially eleminating lock-in in a ring laser gyroscope

Apparatus and method for correcting ring laser gyroscope phase angl...

Pulsed diode ring laser gyroscope

Ring laser gyro having two magnetic mirrors

Ring laser cavity backscatter measurement

Mirrors

Ring laser gyroscopes

Discriminant apparatus for a ring laser angular rate sensor

Ring laser lock-in correction apparatus

Discriminant apparatus for ring laser angular rate sensors

Dither controller for ring laser angular rotation sensor

Patents Applicationslast 30 patents

APPARATUS AND METHOD FOR DIMINISHING MODE LOCK INDUCED ERROR IN STI...

ELIMINATING RING LASER GYRO BACKSCATTER

RING LASER GYRO

SOLID-STATE LASER GYRO OPTICALLY ACTIVE THROUGH ALTERNATING BIAS

GYROSCOPE MODE SHIFT DETECTION AND SCALE FACTOR COMPENSATION

Micro-ring cavity gyroscope with magnetic field lock-in minimization

Dither system for motion sensors