Method for determining the orientation of a moving platform
Patent #: 4599620
Issued on: 07/08/1986
Inventor: Evans
Method and system for determining position using signals from satellites
Patent #: 4667203
Issued on: 05/19/1987
Inventor: Counselman, III
Grade and cross fall reference device for highway survey vehicles
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Issued on: 06/23/1987
Inventor: Swindall , et al.
Vehicle navigational system and method
Patent #: 4796191
Issued on: 01/03/1989
Inventor: Honey , et al.
Continuous wave interference rejection for reconstructed carrier receivers
Patent #: 4860018
Issued on: 08/22/1989
Inventor: Counselman, III
Vehicle navigation system
Patent #: 4878170
Issued on: 10/31/1989
Inventor: Zeevi
Land vehicle navigation system
Patent #: 4949268
Issued on: 08/14/1990
Inventor: Nishikawa, et al.
System for simultaneously deriving position information from a plurality of satellite transmissions
Patent #: 5014066
Issued on: 05/07/1991
Inventor: Counselman, III
Method of simultaneously measuring orthometric and geometric heights
Patent #: 5030957
Issued on: 07/09/1991
Inventor: Evans
Vehicular navigation apparatus
Patent #: 5043902
Issued on: 08/27/1991
Inventor: Yokoyama, et al.
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Primary land arctic navigation system
Patent #: 5075693
Issued on: 12/24/1991
Inventor: McMillan, et al.
Frequency diversity receiving system based on cancellation of C/A code in GPS
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Issued on: 03/03/1992
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Radio navigation system
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Issued on: 07/21/1992
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Wave apparatus system
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Issued on: 09/01/1992
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Apparatus for examining and localizing tumors using ultra sounds, comprising a device for localized hyperthermia treatment
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Issued on: 09/29/1992
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Geodetic surveying system using multiple GPS base stations
Patent #: 5155490
Issued on: 10/13/1992
Inventor: Spradley, Jr., et al.
Method for extracting motion errors of a platform carrying a coherent imaging radar system from the raw radar data and device for executing the method
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Issued on: 11/24/1992
Inventor: Moreira
Pseudolite-aided method for precision kinematic positioning
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Issued on: 01/05/1993
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System for simultaneously deriving position information from a plurality of satellite transmissions
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Issued on: 03/16/1993
Inventor: Counselman, III
Exploration system and method for high-accuracy and high-confidence level relative position and velocity determinations
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Issued on: 04/13/1993
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Interactive automated mapping system
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Issued on: 05/25/1993
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Variable rate application system
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Issued on: 06/22/1993
Inventor: Monson, et al.
Method for recording spin resonance spectra and for spin resonance imaging
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Issued on: 12/28/1993
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5291412
Method and apparatus for maximum likelihood estimation direct integer search in differential carrier phase attitude determination systems
Patent #: 5296861
Issued on: 03/22/1994
Inventor: Knight
Apparatus for controlling movement of vehicle
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Issued on: 03/29/1994
Inventor: Ono
Networked differential GPS system
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Issued on: 06/21/1994
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GPS-based anti-collision warning system
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Issued on: 06/28/1994
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Traffic control system utilizing on-board vehicle information measurement apparatus
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Issued on: 07/26/1994
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Progressive jackpot gaming system with enhanced accumulator
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Issued on: 09/06/1994
Inventor: Canon
Automatic antenna pointing system based on global positioning system (GPS) attitude information
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Issued on: 09/13/1994
Inventor: Babitch
Vehicle position determination system and method
Patent #: 5375059
Issued on: 12/20/1994
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Hitless ultra small aperture terminal satellite communication network
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Issued on: 01/03/1995
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System and method
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Issued on: 01/17/1995
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System for determining position from suppressed carrier radio waves
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Issued on: 01/24/1995
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Dynamic rail longitudinal stress measuring system
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Issued on: 02/07/1995
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Method and apparatus for improving the accuracy of position estimates in a satellite based navigation system
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Issued on: 02/14/1995
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Vehicle position determination system and method
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Issued on: 02/14/1995
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Position reporting emergency location system
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Issued on: 02/21/1995
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Method and apparatus for accelerating code correlation searches in initial acquisition and doppler and code phase in re-acquisition of GPS satellite signals
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Issued on: 05/30/1995
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Global position system receiver with map coordinate system outputs
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Issued on: 06/06/1995
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Method and apparatus for improving the accuracy of position estimates in a satellite based navigation system
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Issued on: 07/04/1995
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Apparatus and method for detecting defective conditions in railway vehicle wheels and railtracks
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Issued on: 07/18/1995
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Navigation system using re-transmitted GPS
Patent #: 5438337
Issued on: 08/01/1995
Inventor: Aguado
Vehicle position determination system and method
Patent #: 5438517
Issued on: 08/01/1995
Inventor: Sennott, et al.
Method and system for determining vehicle position based on a projected position of a satellite
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Issued on: 08/15/1995
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Advanced terrain mapping system
Patent #: 5517419
Issued on: 05/14/1996
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System and method for automatic ship steering
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Issued on: 06/04/1996
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Attitude determining system for use with global positioning system
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Issued on: 07/09/1996
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Directional steering and navigation indicator
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Issued on: 01/07/1997
Inventor: Colley
Method and apparatus for improving the accuracy of position estimates in a satellite based navigation system using velocity data from an inertial reference unit
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Issued on: 02/25/1997
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True north heading estimator utilizing GPS output information and inertial sensor system output information
Patent #: 5617317
Issued on: 04/01/1997
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Pilot vehicle which is useful for monitoring hazardous conditions on railroad tracks
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Issued on: 04/22/1997
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Integrated GPS/inertial navigation apparatus providing improved heading estimates Patent #: 5657025
Issued on: 08/12/1997
Inventor: Ebner, et al.