Inventor
MARK JOHN G
US46 patents
⚠️ This page may combine multiple inventors who share the name “MARK JOHN G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LITTON SYSTEMS INC
43 patentsUS4981359AJan 1, 1991
Ring laser gyroscope dither drive system and method
LITTON SYSTEMS INC58 citations95
US6285954B1Sep 4, 2001
Compensation system
LITTON SYSTEMS INC23 citations93
US5890093AMar 30, 1999
Sculling compensation in strapdown inertial navigation systems
LITTON SYSTEMS INC28 citations93
US5570304AOct 29, 1996
Method for thermal modeling and updating of bias errors in inertial navigation instrument outputs
LITTON SYSTEMS INC53 citations93
US5485273AJan 16, 1996
Ring laser gyroscope enhanced resolution system
LITTON SYSTEMS INC104 citations93
US5422817AJun 6, 1995
Strapdown inertial navigation system using high order
LITTON SYSTEMS INC41 citations93
US5189488AFeb 23, 1993
Fiber optical gyroscope utilizing orthogonal sequences
LITTON SYSTEMS INC21 citations93
US6360602B1Mar 26, 2002
Method and apparatus reducing output noise in a digitally rebalanced accelerometer
LITTON SYSTEMS INC48 citations92
US5896199AApr 20, 1999
High efficiency magnetic shield for a fiber optic gyroscope
LITTON SYSTEMS INC22 citations92
US5682241AOct 28, 1997
Method and apparatus for overcoming cross-coupling in a fiber optic gyroscope employing overmodulation
LITTON SYSTEMS INC42 citations92
US5208653AMay 4, 1993
Multioscillator ring laser gyroscope adaptive digitally controlled cavity length control system
LITTON SYSTEMS INC26 citations92
US4157495AJun 5, 1979
Nuclear magnetic resonance gyro
LITTON SYSTEMS INC76 citations92
US6298287B1Oct 2, 2001
System and method of compensating for pressure sensor errors and noise in inertial vertical loop data
LITTON SYSTEMS INC28 citations90
US6266583B1Jul 24, 2001
System and method for improving the accuracy of pressure altitude determinations in an inertial navigation system
LITTON SYSTEMS INC28 citations90
US6219616B1Apr 17, 2001
Method and apparatus for obtaining attitude updates in a strapdown inertial navigation system
LITTON SYSTEMS INC21 citations88
US6175807B1Jan 16, 2001
Temperature compensation method for strapdown inertial navigation systems
LITTON SYSTEMS INC47 citations88
US5521555AMay 28, 1996
Ultra low noise optical receiver
LITTON SYSTEMS INC28 citations88
US5828980AOct 27, 1998
Coning compensation in strapdown inertial navigation systems
LITTON SYSTEMS INC17 citations84
US5751425AMay 12, 1998
Apparatus and method for detecting rotation rate, Faraday bias and cavity length in a ring laser gyroscope
LITTON SYSTEMS INC18 citations84
US4634283AJan 6, 1987
Method and apparatus for reducing quantization error in laser gyro test data through high speed filtering
LITTON SYSTEMS INC23 citations82
US5883716AMar 16, 1999
Rate control loop for fiber optic gyroscope
LITTON SYSTEMS INC13 citations74
US5822065AOct 13, 1998
Conically arranged fiber optic gyroscope coils
LITTON SYSTEMS INC15 citations74
US5325173AJun 28, 1994
Apparatus for compensating for change in laser gyro dither pickoff scale factor
LITTON SYSTEMS INC7 citations74
US5189487AFeb 23, 1993
Multioscillator ring laser gyroscope local oscillator-based output optics detection system
LITTON SYSTEMS INC9 citations74
US5074664ADec 24, 1991
Computer generated cavity length control with automatic gain control for ring laser gyros
LITTON SYSTEMS INC19 citations74
US4495475AJan 22, 1985
Residual mode phase locked loop
LITTON SYSTEMS INC12 citations74
US6307631B1Oct 23, 2001
Pseudorandom bit sequence generator
LITTON SYSTEMS INC8 citations72
US5684589ANov 4, 1997
Loop controller for fiber optic gyro with distributed data processing
LITTON SYSTEMS INC15 citations72
US5004344AApr 2, 1991
Apparatus and method for correcting ring laser gyroscope phase errors at turnaround
LITTON SYSTEMS INC10 citations71
US5337143AAug 9, 1994
Loop controller for multiplexed triaxial gyro
LITTON SYSTEMS INC11 citations66
US5999260ADec 7, 1999
Method and apparatus for initialization of a fiber optic gyroscope
LITTON SYSTEMS INC4 citations63
US5374990ADec 20, 1994
Active magnetic field tuning for dispersion equalization of a multi-oscillator
LITTON SYSTEMS INC5 citations63
US4875774AOct 24, 1989
Apparatus and method for determining ring laser gyroscope phase at turnaround
LITTON SYSTEMS INC6 citations63
US6008903ADec 28, 1999
Method for compensating for fringe visibility errors in a fiber-optic gyro
LITTON SYSTEMS INC5 citations62
US6115125ASep 5, 2000
Pseudorandom-bit-sequence modulated fiber-optic gyro
LITTON SYSTEMS INC5 citations61
US5963323AOct 5, 1999
Method for improving the performance of fiber-optic gyros by calculating the bias from using a broadband source
LITTON SYSTEMS INC2 citations60
US6538745B1Mar 25, 2003
Shock-tolerant multioscillator ring laser gyro
LITTON SYSTEMS INC3 citations57
US5331401AJul 19, 1994
Method and apparatus for controlling dither in a multiple gyro system
LITTON SYSTEMS INC4 citations57
US6796724B2Sep 28, 2004
Sleeve for pig-tailing optical fiber
LITTON SYSTEMS INC3 citations53
US5604308AFeb 18, 1997
Data interface for closed-loop accelerometer
LITTON SYSTEMS INC1 citations51
US6317215B1Nov 13, 2001
Pseudorandom bit sequence generation
LITTON SYSTEMS INC0 citations50
US6130755AOct 10, 2000
Fiber-optic gyro utilizing pseudorandom-bit-sequence light modulation
LITTON SYSTEMS INC0 citations50
US6829763B1Dec 7, 2004
Partitioned executive structure for real-time programs
LITTON SYSTEMS INC1 citations43