Matches 1 - 50 out of 196 1 2 3 4 >
Match Document Document Title
7606676 Compass sensor unit and portable electronic device  
In a compass sensor unit, an azimuth data computing method is carried out by the steps of: inputting a signal from a geomagnetic sensor to measure magnetic field; determining whether to store...
7543392 Motion estimation method and system for mobile body  
A motion estimation method and system for a mobile body are provided. The method includes: obtaining magnetic field information from compass information of the mobile body; comparing the magnetic...
7512493 High speed gyrocompass alignment via multiple Kalman filter based hypothesis testing  
A method of aligning a gyro-compass comprising operating at least two Kalman filters in a set of Kalman filters to generate an error correction to at least a single navigation solution in a set of...
7474977 Compass sensor unit and portable electronic device  
In a compass sensor unit, an azimuth data computing method is carried out by the steps of: inputting a signal from a geomagnetic sensor to measure magnetic field; determining whether to store...
7471952 Data terminal device  
A position data receiving part receives position data transmitted from an artificial satellite. A wireless unit transmits and receives data with respect to a base station. A detailed map data...
7469168 Rudder control system with adjustable solenoid on/off settings, solenoid burnout protection, and hydraulic system monitoring  
A rudder control system having adjustable rudder drive turn off and “turn on,” and component wear monitoring. The rudder drive “turn off” being adjusted in accordance with the rudder stop...
7468651 Interior mirror system  
An interior mirror system suitable for use in a vehicle comprises an interior rearview mirror assembly having a mirror support assembly adapted for attachment to an interior portion of the vehicle....
7451549 Automatic calibration of a three-axis magnetic compass  
A magnetic compass apparatus and method to account for magnetic distortion while determining a magnetic heading is disclosed. The method enables a compass module, comprising at least two...
7418341 System and method for the selection of a unique geographic feature  
The present invention includes a system and method for selecting a unique geographic feature, including a mobile device that uses position and orientation sensors to determine a user position and a...
7411512 Tracking the geographic location of an animal  
Systems and techniques for tracking the geographic location. In one aspect, a method includes receiving timed magnetic field information descriptive of a magnetic field to which a magnetometer was...
7389161 Aeronautical navigation plotting instrument  
An aeronautical navigation plotting instrument is provided that includes a plotting frame and a compass rose attached to the plotting frame. The compass rose includes angular markings incrementally...
7379814 Electronic compass system  
An electronic compass system includes a magnetic sensor circuit having at least two sensing elements for sensing perpendicular components of the Earth's magnetic field vector. A processing circuit...
7349805 Wristop computer and a method in connection with it  
The invention relates to a wristop computer and a method in connection with a wristop computer ( 20 ). The display of the wristop computer intended for a compass application consists of a...
7349800 Adaptable navigation system  
The invention is a new and useful improvement to navigation system software that, when combined with conventional navigation system hardware, provides an operator with a means for modifying a...
7340362 Azimuth measurement device and azimuth measurement method  
There are provided an azimuth measurement device and its method for realizing an update of an offset calculated from the data acquired by azimuth measurement. A geomagnetism output measured by a...
7328105 Electronic compass and related heading filter method  
A method for determining a compass heading in a manner that reduces the influence of magnetic noise. The methodology can evaluate changes between various parameters, such as a prior magnetic field...
7248983 Electronic compass and method of controlling an electronic compass using independent calibration and compass heading modules  
A method for controlling an electronic compass includes receiving raw magnetic field data into a calibration module and determining a calibration output based upon the raw magnetic field data. The...
7248951 Method and device for determining position of an autonomous apparatus  
A carrier, such as an autonomous surface treatment device, e.g., a robotic vacuum cleaner, has motive units, such as wheels, for transporting the carrier over a field of operation. The state of the...
7221909 Method for guiding wireless communication device into communicable range and wireless communication device  
A personal digital assistant (PDA) detects its position by a two-axis acceleration sensor provided therein. While the PDA is within a communicable range where the PDA can communicate with the...
7197343 Portable electronic apparatus with azimuth measuring function, magnetic sensor suitable for the apparatus, and azimuth measuring method for the apparatus  
A portable phone has a CPU and a magnetic sensor unit including an X-axis magnetic sensor, a Y-axis magnetic sensor, and a temperature sensor. CPU measures at first and second temperatures the...
7149627 Electronic compass system  
An electronic compass system includes a magnetic sensor circuit having at least two sensing elements for sensing perpendicular components of the Earth's magnetic field vector. A processing circuit...
7119533 Method, system and device for calibrating a magnetic field sensor  
A control device 200 calibrates a magnetic-field sensor 100 by computation. A computation unit 210 calculates the magnetic-field intensity based upon the outputs of X-axis, Y-axis, and Z-axis...
7006905 Method and device for allocating thrust  
Force balance and moment balance associated with thrust of air and water craft equipped with thrust generators are preset in view of non-linear characteristics and dynamic characteristics of thrust...
6950731 Traffic pattern approach computer  
A mechanical computer used in tandem with a GPS to approach, enter and fly the traffic pattern of any uncontrolled airport. Pilots must navigate to a relatively small area or approach point before...
6862526 GPS correction methods, apparatus and signals  
Methods and apparatus are described and illustrated for producing GPS corrections, comprising: collecting measurements from a plurality of network reference stations; determining network...
6859729 Navigation of remote controlled vehicles  
Methods for navigating a remote controlled vehicle, methods for maintaining a formation of remote controlled vehicles, and remote controlled vehicles using those methods. A vehicle is navigated...
6853918 Electronic compass  
An electronic compass comprises a saturable core sensor ( 2 ) with a core ( 3 ) made of ferromagnetic material surrounded by an electric winding ( 3 ′), a first couple of electric windings ( 4, 5...
6789014 Direct modification of DGPS information with inertial measurement data  
A global positioning system based navigation system for a ground vehicle, in particular an agricultural ground vehicle such as a tractor, combine, sprayer, or the like, includes an inertial...
6701252 System for underwater GPS navigation  
Provided is a system that allows navigation by GPS while underwater by locating the antenna above water and the display below water. In one embodiment, the GPS antenna is attached to a tow-able...
6687606 Architecture for automatic evaluation of team reconnaissance and surveillance plans  
A method analyzes a plan for scanning the content of a predetermined area. The method includes the steps of: providing a plan for at least one entity ( 200 ), the plan including a route and a set...
6678589 Boat positioning and anchoring system  
An anchorless boat positioning system for establishing and maintaining a boat at a selected geographic location without the use of a conventional anchor. In one embodiment, a steerable thruster is...
6651003 Method of automatic continuous calibration for an electric compass  
An autocalibration method for use within an electronic compass in a vehicle is disclosed. The method includes steps of initializing variables and then retrieving sensor readings from at least two...
6618669 Navigation apparatus, navigation method and navigation program  
In a navigation apparatus, operating function control means of system control means infers a operation, which a user is expected to set next time on a screen of display means by operating means,...
6604030 Single fault impervious integrated control and monitoring system  
An integrated control and monitoring system for airport avionics is made single-point-of-failure impervious by continuously operating pairs of parallel-connected concentrators, Remote Master...
6510385 Navigation apparatus, navigation method, and information recording medium in which program for navigation is computer-readably recorded  
A navigation apparatus which can improve convenience of navigation by starting assisting of the movement without delay by inferring a predetermined route. This navigation apparatus includes a...
6466871 Method for calibrating and verifying the attitude of a compass  
A method for calibrating the attitude of a compass in relation to the platform on which the compass is installed. The compass includes an attitude determining device and an optical sighting device...
6434485 GPS device with compass and altimeter and method for displaying navigation information  
A portable, handheld electronic navigation device includes an altimeter, a compass, and a GPS unit. An internal memory stores cartographic data, for displaying the cartographic data on a display of...
6418376 Method and apparatus to maintain compass heading with a moveable sensor mounting  
An electronic compass system for use in an adjustable fixture in a vehicle such as an automobile including a sensor for detecting a magnetic field and for providing electrical signals...
6415223 Interruption-free hand-held positioning method and system thereof  
An interruption-free hand-held positioning method and system, carried by a person, includes an inertial measurement unit, a north finder, a velocity producer, a positioning assistant, a navigation...
6415221 Method for navigating a vehicle utilizing map data  
The invention specifies a method for navigating a vehicle, in which at least one sensor is used to ascertain a vector for a distance covered from direction and length, a plurality of vectors are...
6408251 Calibrating a magnetic compass with an angular rate gyroscope and a global positioning system receiver  
A method and apparatus for calibrating an electronic compass of the type having a compass sensor, a calibration table and a display. A computer operating under program control is used to update the...
6401047 System using information on a communications bus to eliminate magnetic noise  
An electronic compass system using information on a communications bus to eliminate magnetic noise which is integrated with an instrument cluster. A vehicle accessory, such as a blower motor,...
6401036 Heading and position error-correction method and apparatus for vehicle navigation systems  
The present invention provides methods and devices that enable correction of gyroscope bias and gyroscope bias drift in low-cost, vehicular navigation and positioning systems without using...
6366856 Method and apparatus for orienting a map display in a mobile or portable device  
A method apparatus for orienting a map display in a mobile or portable device. An electronic compass is integrated with a hand-held portable or mobile mapping device and an electronic compass...
6356851 Accelerated calibration for electronic compass module  
A system for calibrating an electronic compass for a vehicle of the type employing a Forward and Lateral magnetoresistive magnetic field sensor. As the vehicle changes headings, the system...
6349249 Automated guided apparatus suitable for toping applications  
An automated guided apparatus capable of accurately determining its position within a walled environment such as a mine or building. A mobile unit incorporating an inertial measurement unit and a...
6304195 Device for altering the course of a boat  
A device alters a course of a watercraft including an automatic pilot with a magnetic compass. The device includes at least two coils positioned adjacent the magnetic compass, and an excitation...
6268826 Method and apparatus for determining antenna pointing parameters in a satellite receiver  
A method and apparatus for aiming a satellite antenna at a target satellite allow a user to enter a commonly known geographic designator, such as a ZIP Code. From the ZIP Code the longitude and...
6226569 Absolute value transmitter acting as a rotation transmitter for registration of a steering angle of a motor vehicle  
A rotary transmitter for registration of the steering angle of a motor vehicle, with a transmitter component (49) on which is provided a coding (51) of a predetermined number n of locally...
6216064 Method and apparatus for determining altitude  
Methods and apparatus for determining altitude, specifically altitude in an aircraft, and an estimated error of the altitude. The altitude determination preferably uses a first altitude based on...
Matches 1 - 50 out of 196 1 2 3 4 >