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Bo Ljung
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Wayne, NJ, US
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Patents Grants
last 30 patents
Information
Patent Grant
Coriolis gyro sensor
Patent number
6,009,751
Issue date
Jan 4, 2000
Bo Hans Gunnar Ljung
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
Laser light length control assembly for ring laser gyro
Patent number
5,311,280
Issue date
May 10, 1994
Kearfott Guidance & Navigation Corporation
James G. Koper
G02 - OPTICS
Information
Patent Grant
Underwater audible signalling device
Patent number
5,200,932
Issue date
Apr 6, 1993
Bo H. G. Ljung
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Ring laser gyroscope beam combiner for separating and combining cir...
Patent number
4,886,364
Issue date
Dec 12, 1989
Kearfott Guidance & Navigation Corporation
Bo H. G. Ljung
G01 - MEASURING TESTING
Information
Patent Grant
Beam combiner assembly for ring laser gyroscope
Patent number
4,865,452
Issue date
Sep 12, 1989
Kearfott Guidance & Navigation Corporation
Bo H. G. Ljung
G01 - MEASURING TESTING
Information
Patent Grant
Method of constructing a moment insensitive pathlength control mirr...
Patent number
4,861,161
Issue date
Aug 29, 1989
Kearfott Guidance & Navigation Corporation
Bo H. G. Ljung
G01 - MEASURING TESTING
Information
Patent Grant
Path length controller for ring laser gyroscope
Patent number
4,691,323
Issue date
Sep 1, 1987
The Singer Company
Bo H. G. Ljung
G01 - MEASURING TESTING
Information
Patent Grant
Retainer for electrically fired getter
Patent number
4,639,231
Issue date
Jan 27, 1987
The Singer Company
James G. Koper
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Pathlength controller for three-axis ring laser gyroscope assembly
Patent number
4,585,346
Issue date
Apr 29, 1986
The Singer Company
Bo H. G. Ljung
G01 - MEASURING TESTING
Information
Patent Grant
Pathlength controller for ring laser gyroscope
Patent number
4,561,780
Issue date
Dec 31, 1985
The Singer Company
Bo H. G. Ljung
G01 - MEASURING TESTING
Information
Patent Grant
Ring laser gyroscope getter-holder
Patent number
4,503,543
Issue date
Mar 5, 1985
The Singer Company
Bo H. G. Ljung
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Monolithic three axis ring laser gyroscope
Patent number
4,477,188
Issue date
Oct 16, 1984
The Singer Company
John C. Stiles
G01 - MEASURING TESTING
Information
Patent Grant
Ring laser gyro cathode connection
Patent number
4,455,060
Issue date
Jun 19, 1984
The Singer Company
James G. Koper
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Ring laser gyroscope with fiber optic beam combiner
Patent number
4,444,502
Issue date
Apr 24, 1984
The Singer Company
Bo H. G. Ljung
G02 - OPTICS
Information
Patent Grant
Ring laser gyroscope suspension
Patent number
4,436,423
Issue date
Mar 13, 1984
The Singer Company
Shri A. Kumar
G01 - MEASURING TESTING
Information
Patent Grant
Flexure hinge for gyroscopes or the like
Patent number
D272801
Issue date
Feb 28, 1984
The Singer Company
Shri A. Kumar
D08 - Tools and hardware
Information
Patent Grant
Ring laser gyroscope cluster for strapped down navigation
Patent number
4,425,040
Issue date
Jan 10, 1984
The Singer Company
Bo H. G. Ljung
G01 - MEASURING TESTING
Information
Patent Grant
Ring laser gyroscope with compensation
Patent number
4,411,527
Issue date
Oct 25, 1983
The Singer Company
George R. Gamertsfelder
G01 - MEASURING TESTING
Information
Patent Grant
Ring laser gyroscope with doppler mirrors
Patent number
4,410,276
Issue date
Oct 18, 1983
The Singer Company
Bo H. G. Ljung
G01 - MEASURING TESTING
Information
Patent Grant
Ring laser gyroscope with doppler mirrors and offset actuators
Patent number
4,410,274
Issue date
Oct 18, 1983
The Singer Company
Bo H. G. Ljung
G01 - MEASURING TESTING
Information
Patent Grant
Dither pick-off transducer for ring laser gyroscope
Patent number
4,406,965
Issue date
Sep 27, 1983
The Singer Company
Bo H. G. Ljung
G01 - MEASURING TESTING
Information
Patent Grant
Bending actuator for ring laser gyroscope
Patent number
4,386,853
Issue date
Jun 7, 1983
The Singer Company
Bo H. G. Ljung
G01 - MEASURING TESTING
Information
Patent Grant
Piezoelectric motor for dithering ring laser gyroscopes
Patent number
4,370,583
Issue date
Jan 25, 1983
The Singer Company
Bo H. G. Ljung
G01 - MEASURING TESTING
Information
Patent Grant
Ring laser gyro dither pulse eliminator
Patent number
4,344,706
Issue date
Aug 17, 1982
The Singer Company
Bo H. G. Ljung
G01 - MEASURING TESTING
Information
Patent Grant
Pathlength controller for a ring laser cyroscope
Patent number
4,320,974
Issue date
Mar 23, 1982
The Singer Company
Bo H. G. Ljung
G01 - MEASURING TESTING
Information
Patent Grant
High efficiency current regulator for ring laser gyroscope
Patent number
4,282,495
Issue date
Aug 4, 1981
The Singer Company
Bo H. G. Ljung
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus for casting a splat-cooled flexure member
Patent number
4,276,924
Issue date
Jul 7, 1981
The Singer Company
Bo H. G. Ljung
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Ring laser gyroscope dither drive circuit
Patent number
4,277,173
Issue date
Jul 7, 1981
The Singer Company
Bo H. G. Ljung
G01 - MEASURING TESTING
Information
Patent Grant
Pathlength controller for a ring laser gyroscope
Patent number
4,267,478
Issue date
May 12, 1981
The Singer Company
Bo H. G. Ljung
G01 - MEASURING TESTING