Matches 1 - 30 out of 30


Match Document Document Title
US20100211314 PORTABLE MULTIBAND ANTENNA  
A portable DGPS navigation apparatus is provided. The apparatus includes a receiver assembly and a DGPS antenna assembly. The receiver assembly includes a GNSS antenna, a GNSS receiver, and a DGPS...
US20100299066 INS based GPS carrier phase cycle slip detection and repairing  
An apparatus comprising a position system configured to determine a global positioning (GPS) change vector, and an inertial navigation system (INS) change vector. The position system is configured...
US20090192709 POSITION SOURCE SELECTION  
Techniques are described for position source selection. In an implementation, an electronic device provides a variety of functionality including at least functionality to determine position. The...
US20110231038 AIRCRAFT LANDING SYSTEM USING RELATIVE GNSS  
A method for confirming mobile base station integrity in a relative GNSS aircraft landing system, the method comprising: determining a relative position of a first GNSS antenna fixed to the mobile...
US20140207374 SYSTEM AND METHOD FOR TRACKING AND LOCATING A PERSON, ANIMAL, OR MACHINE  
A system and method for estimating the position of an object, such as a person, animal, or machine. The system includes first and second inertial measurement units, a first and second originator...
US20110098925 Method of surveying a railroad track under load  
A method of inspecting or surveying a railroad track under load is described wherein a GPS receiver is mounted on top of the track vehicle such as a locomotive, high-rail vehicle or cargo car with...
US20120004846 AIR NAVIGATION DEVICE WITH INERTIAL SENSOR UNITS, RADIO NAVIGATION RECEIVERS, AND AIR NAVIGATION TECHNIQUE USING SUCH ELEMENTS  
The present invention relates to an air navigation device with inertial sensor units and radio navigation receivers, and is characterized in that its radio navigation receivers are...
US20130131982 SYSTEMS AND METHODS FOR IMPROVED AUGMENTATION FOR GPS CALCULATIONS  
Various embodiments of the present invention provide systems, methods, and computer program products for providing improved augmentation for GPS calculations. In general, various embodiments of...
US20080027645 Method and apparatus for estimating behaviors of vehicle using GPS signals  
A method and an apparatus for estimating behaviors of a vehicle are provided. At least two GPS antennas are located along a longitudinal axis of a vehicle so that speed vectors at the positions...
US20140257690 AUGMENTATION FOR GPS CALCULATIONS  
Various embodiments of the present invention provide systems, methods, and computer program products for providing improved augmentation for GPS calculations. In general, various embodiments of...
US20090093959 REAL-TIME HIGH ACCURACY POSITION AND ORIENTATION SYSTEM  
A real-time high accuracy position and orientation system (RT-HAPOS) system for a vehicle, such as an aircraft, comprises a global navigation satellite system (GNSS) receiver disposed on the...
US20050159891 Real-time data aiding for enhanced GPS performance  
Data from GPS satellites within the field of view of a ground station are retransmitted to LEO satellites, such as Iridium satellites, and cross-linked if necessary before being transmitted to a...
US20110093198 Method and apparatus for estimating behaviors of vehicle using GPS signals  
A method and an apparatus for estimating behaviors of a vehicle are provided. At least two GPS antennas are located along a longitudinal axis of a vehicle so that speed vectors at the positions...
US20090043435 METHODS AND SYSTEMS FOR MAKING A GPS SIGNAL VITAL  
Position reports from GPS receivers can be made vital through a variety of techniques including relative differential GPS corrections and a technique in which a train traveling on a fixed path is...
US20060224321 Method and apparatus for high accuracy relative motion determination using inertial sensors  
A relative navigation system including a first unit responsive to the motion of a first position, a second unit responsive to the motion of a second position and a processing unit that generates a...
US20090278735 FREQUENCY AIDING METHOD AND SYSTEM FOR NAVIGATION SATELLITE RECEIVER WITH CRYSTAL OSCILLATOR FREQUENCY HYSTERESIS  
A method and apparatus for estimating oscillator signal variation due to temperature and for providing an estimated frequency to a GPS receiver in order to assist the GPS receiver to acquire the...
US20140379255 SYSTEMS AND METHODS OF DETERMINING LOCATION USING A MEDICAL DEVICE  
A medical device capable of determining its location is provided. The medical device comprises a memory, one or more antennas, one or more processors coupled with the memory and the one or more...
US20090222204 VEHICLE GUIDANCE AND SENSOR BIAS DETERMINATION  
Systems and methods for guiding a vehicle and vehicle sensor bias determination methods are disclosed. A method for guiding a vehicle includes a primary antenna of a primary survey-grade...
US20120245845 TRIPLE REDUNDANT RF LINK SYSTEM  
A system comprises an outer shell having an inner spherical cavity and an inner sphere located in the spherical cavity. The inner sphere comprises a sensor; at least three transmit antennas; and...
US20140012499 GUIDING DEVICE, SENSOR UNIT, PORTABLE TERMINAL DEVICE, GUIDING METHOD AND GUIDING PROGRAM  
A guiding device, includes: a first position detecting unit which detects a present position; an obtaining unit which obtains a present position detected by a second position detecting unit, from...
US20090119015 Systems and Methods for Processing Navigational Solutions  
Systems and methods for processing navigational solutions are provided. In this regard, a representative system includes a navigational computing device comprising a processor and memory that...
US20140336929 Determining Spatial Orientation Information of a Body from Multiple Electromagnetic Signals  
A method for determining a spatial orientation of a body, including receiving, by receiving equipment located with the body, at least three electromagnetic signal sets, each of the received signal...
US20140163870 DETERMINATION OF POSITION, VELOCITY AND/OR HEADING BY SIMULTANEOUS USE OF ON-DEVICE AND ON-VEHICLE INFORMATION  
Systems, apparatus and methods to supplement, combine, replace, verify and calibrate in-vehicle and in-device sensors and GNSS systems are presented. A mobile device and a vehicle navigation...
US20100286912 POSITIONING SYSTEM AND IN-VEHICLE DEVICE  
A positioning system is configured such that an in-vehicle device includes an in-vehicle-side positioning unit that obtains in-vehicle-side positioning data that includes in-vehicle-side...
US20170131406 Differential Positioning Method Based on Intelligent Vehicle Infrastructure Cooperative System and Intelligent Vehicle Infrastructure Cooperative System  
The present disclosure provides a differential positioning method based on an intelligent vehicle infrastructure cooperative system and the intelligent vehicle infrastructure cooperative system....
US20160299231 AIRCRAFT NAVIGATION SYSTEM AND METHOD OF NAVIGATING AN AIRCRAFT  
An aircraft navigation system and navigation method. The system comprises a civil-certified GPS-receiver for determining first position information based on C/A-GPS-signals, and a military-type...
US20160170030 Orientation Measurements for Drift Correction  
Technology for measuring orientation is described. Signals can be received from a signal source having a known location via at least two antennas of the interferometer that are separated by a...
US20130096824 VEHICLE GUIDANCE AND SENSOR BIAS DETERMINATION  
Systems and methods for guiding a vehicle and vehicle sensor bias determination methods are disclosed. A method for guiding a vehicle includes a primary antenna of a primary survey-grade...
US20130090847 VEHICLE GUIDANCE AND SENSOR BIAS DETERMINATION  
Systems and methods for guiding a vehicle and vehicle sensor bias determination methods are disclosed. A method for guiding a vehicle includes a primary antenna of a primary survey-grade...
US20120095679 VEHICLE GUIDANCE AND SENSOR BIAS DETERMINATION  
Systems and methods for guiding a vehicle and vehicle sensor bias determination methods are disclosed. A method for guiding a vehicle includes a primary antenna of a primary survey-grade...

Matches 1 - 30 out of 30