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5600061 |
Apparatus for detecting and storing data representative of shock imparted to vehicle during travel
A shock generating position storage unit includes an acceleration sensor for detecting an impulsive wave or shock applied to a vehicle during transportation thereof, a storage unit for storing data...
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5597954 |
Bearing sensor and bearing-distance sensor
A small and inexpensive bearing-distance sensor capable of detecting a travel bearing and a travel distance of a vehicle. The bearing-distance sensor includes a rectangular parallelepiped case. A...
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5574649 |
Position-locating method and apparatus including corrections for elevational changes
A method and apparatus for navigation of a vehicle travelling over a terrain in which the changes in elevation of the vehicle are continuously measured, in addition to the distance and heading. The...
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5574650 |
Method and apparatus for calibrating the gyros of a strapdown inertial navigation system
A method and apparatus for minimizing the effect of lateral velocity transients upon an aircraft inertial instrument calibration process of the type in which cross-track velocity is measured and...
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5543788 |
Map management system in geographic information management system
A map management system in a geographic information management system which manages different kinds of maps with use of a computer. The map management system involves a map managing unit that...
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5544060 |
Vehicle mounted navigation system with preview function
A navigation system for a vehicle enables an operator to know a calculated optimal path from a starting point to a destination before departure. After the optimal path is calculated, a preview...
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5541845 |
Monitoring of route and schedule adherence
A method for monitoring the movement of a vehicle along a selected route R to determine whether the vehicle is (i) adhering to that route and/or (ii) adhering to a selected time schedule along that...
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5537869 |
Integrated multichannel pressure measuring system and corresponding measuring process
In order to study the aerodynamic phenomena occurring around structures of an aircraft, particularly during ground and flight tests, an automated multichannel pressure measuring system is proposed....
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5515284 |
Storage medium for map information for navigation system and system for offering map information for navigation system
A storage medium for map information for a navigation system includes an IC memory chip or an IC memory card of a small memory capacity. This storage medium stores detailed map information of a...
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5508930 |
Vehicle navigation apparatus with new route replanning apparatus
Vehicle navigation apparatus (10) calculates an initial route to a destination (52) via connected road segments (55, 59) defined in a road map data base. In response to a can't do-reroute signal,...
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5508931 |
Route guidance on/off-route state filter
The invention provides a route state filter for a vehicle route guidance system for improved tracking of vehicle position with respect to a preselected route. A set of position possibilities are...
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5502640 |
Route selection method and apparatus therefor
A route connecting a point and another point on a network is derived in advance with respect to entire pairs of two points, and the route is stored with a transit point placed on the route in a...
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5483828 |
Speed indicator for marine vehicles
A speed indicator for marine vehicles is mounted on the lower transom area of such a vehicle and includes an impeller. The impeller rotates at an angular velocity dependant on the speed of marine...
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5485385 |
Magnetic azimuth sensor compensation apparatus for vehicle navigation system and method thereof
A motor vehicle-mounted navigation apparatus comprising an input section adapted for inputting data based on GPS positioning, an azimuth sensor and distance sensor adapted for establishing...
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5471393 |
Driver's associate: a system for vehicle navigation and driving assistance
The Driver's Associate assists a driver of a vehicle to more efficiently reach a desired destination, to record the route driven, and to provide driving summary reports. The present invention uses...
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5469360 |
Vehicle position detecting apparatus
A correct vehicle position is detected even when the road data to be used in the map match computation includes errors of partial shape. When the matching computing operation of a running locus and...
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5457630 |
System for onboard lift analysis and apparatus therefor
A method and apparatus for measuring the lift generated by airfoils of an aircraft. This real-time analysis is accomplished by measuring a differential pressure between the upper and lower lift...
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5457634 |
Time-responsive flight optimization system
An onboard flight management system produces cost-effective trajectory target signals in response to an input desired time of arrival. Aircraft monitoring systems produce signals corresponding to...
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5450344 |
GPS receivers with data ports for the uploading and downloading of absolute position information
A GPS receiver comprises a data input/output port for communication of datum-less position fixes in an earth-centered, earth-fixed (ECEF) coordinate style to avoid the errors associated with not...
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5448486 |
Orthogonal polar coordinate system to accommodate polar navigation
A method for navigating an aircraft around the earth's polar region comprises the steps of determining if the aircraft is in one of the polar regions of the earth's traditional axis system. If the...
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5445021 |
Method and device for assistance in piloting an aerodyne by the graphic representation of the vertical flight plan of this aerodyne
The piloting assistance method embodying the invention consists in displaying on a screen of the cockpit of the aerodyne, in a Cartesian reference space representing altitude/distance from ground...
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5424951 |
On-board navigation apparatus having user registering function
An on-board navigation apparatus in which one of a plurality of service facilities displayed on a display is designated by an operator input, the position coordinate data corresponding to the...
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5422815 |
Navigation apparatus and navigation method
A navigation apparatus is provided with a measurement device for measuring a present position of a movable body, and memory device for storing map data and a map matching device. The map matching...
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5415031 |
Process and device for estimating the altitude of an aircraft including an inertial reference system, radio altimeters and a poller
The invention is a process and a device for determining an estimation of the altitude of an aircraft from at least two independent measurements of the altitude, by polling. The aircraft must...
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5416712 |
Position and velocity estimation system for adaptive weighting of GPS and dead-reckoning information
An embodiment of the present invention is a combined GPS and dead-reckoning (DR) navigation sensor for a vehicle in which a pair of modifications are made to an otherwise conventional Kalman...
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5410487 |
Dynamic error correcting apparatus for inertial navigation
A counting section includes: a first gyro pulse counter which counts gyro pulses from each of X-, Y-, Z- and S-axis gyroscopes during each counting period after being reset immediately before the...
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5379224 |
GPS tracking system
A low cost tracking system employing satellites of the global positioning system (GPS) is suitable for applications involving radiosondes, sonobuoys, and other objects. The tracking system includes...
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5369993 |
Three axis air data system for air vehicles
An apparatus senses a free stream flow parameter using airflow adjacent an air vehicle. The apparatus includes a first sensor sensing a longitudinal axial component and a lateral axial component of...
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5359889 |
Vertical position aided inertial navigation system
A vertical position and gravity map aided INS is self contained (no external signals required); covert (no signals emanated); unrestricted in operating area; able to operate in quiet or active...
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5359890 |
Integrated electronic primary flight display
One side of a primary flight display has an elongated vertically disposed airspeed dial display which provides global or macro airspeed information. A rolling drum display provides a digital...
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5359888 |
Air turbulence and wind shear sensor
An apparatus detects an air turbulence and wind shear encountered by an air vehicle having an accelerometer sensing air vehicle vertical acceleration. The apparatus includes a pressure sensor...
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5357817 |
Wide bandwidth stable member without angular accelerometers
A three axis, single degree of freedom gyroscope based rate sensing platform has restraining torque developed for the platform from a feedback loop that includes electronics that decouples...
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5351540 |
Grade angle and acceleration sensor
A grade and acceleration sensor having a weight, a first sensor for measuring a first parameter of the weight due at least to the force of gravity to generate a first signal, a second sensor for...
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5339684 |
Gravity aided inertial navigation system
An autonomous covert Inertial Navigation System uniquely suited for underwater applications wherein Schuler and siderial errors are bounded without external navigation aids or active...
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5319969 |
Method for determining 3-axis spacecraft attitude
A three axis attitude orientation system for a spacecraft in orbit which employs a single UV sensor. The single sensor provides roll and pitch information by locating the centroid of the earth and...
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5319968 |
Apparatus for determining 3-axis space craft attitude
A three axis attitude orientation system for a spacecraft in orbit which employs a single UV sensor. The single sensor provides roll and pitch information by locating the centroid of the earth and...
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5315868 |
Sensor for detecting the influence of cross wind on a vehicle
A sensor arrangement for detecting the influence of cross wind on the handling of a motor vehicle comprising pressure measuring points situated on opposite sides of the vehicle for the measuring of...
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5311173 |
Navigation system and method using map data
In a navigation system which has sensors for detecting a running distance, an azimuth, etc. of a vehicle, and a memory for storing map data; a probability density of a position of the vehicle is...
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5301114 |
Inertial navigation system including self-contained performance validating arrangement
The accuracy of the performance of an inertial navigation system is validated by comparing data measured by a fourth gyro and accelerometer to an analytic equivalent constructed from measurements...
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5293781 |
Tunnel effect measuring systems and particle detectors
Methods and apparatus for measuring gravitational and inertial forces, magnetic fields, or wave or radiant energy acting on an object or fluid in space provide an electric tunneling current through...
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5293318 |
Navigation system
A navigation system on an automobile has a GPS receiver for producing first positional data indicating the automobile position based on radio waves from GPS satellites, and a self-operating sensor...
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5283575 |
System and method for locating a travelling vehicle
A vehicle navigation system helps locate the vehicle on a road network by overcoming, through the use of fuzzy logic, the errors of positioning sensors and routing computers. In the system, sensors...
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5278763 |
Navigation aids
An electronic cursor (12) is movable over a digitising table (10) on which a chart (16) has been spread. The cursor can give an indication of which way it should be moved to reach a defined...
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5268844 |
Electronic digital position and navigational plotter
An electronic digital plotter for navigators which relieves the rigors of mechanical manual plotting of position on a chart. The plotter utilizes either a flexible or rigid board employing...
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5266948 |
Apparatus and method for displaying a travel position
Disclosed is an apparatus for displaying a travel position, which, in carrying out steps of calculating X- and Y-coordinates of a current position of the moving body; renewably presents said...
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5265024 |
Pilots automated weather support system
A system and process for providing systematic, updated, weather information from the ground to the pilot of an aircraft are disclosed. A ground station receives and assimilates weather data for...
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5252912 |
System for warning aircraft pilot of potential impact with a power line and generating time-to-time impact signal
A detector for use on board an aircraft traveling along a path of movement to detect a power line comprises an antenna for sensing the electric field associated with the power line and producing an...
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5247831 |
Method and system for monitoring the tire footprints of a motor vehicle, particularly for automatically optimizing the behavior of the motor vehicle
A method for controlling the movement of a motor vehicle provided with tires which cooperate with the ground to define respective footprints includes monitoring the behavior of the footprints and...
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5235330 |
Digital rebalance loop
A digital rebalance system for an inertial reference sensor. The rebalance system associates the error signal output with a sample value of a stored error signal and generates a rebalancing...
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5229947 |
Highway information system
A data processing device for providing data related to the categories of services available at locations along a highway in response to operator input is disclosed. The device includes a memory, a...
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