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US20150177000 Music-Based Positioning Aided By Dead Reckoning  
Music-based positioning (MP) provides positioning service only sporadically. To continuously provide positioning service, the present invention discloses music-based positioning aided by dead...
US20150204674 Inertial Navigation System and Method  
The invention relates to an improved Inertial Navigation System (INS), which comprises: (a) an INS unit which comprises (a.1) an IMU which in turn comprises a set of at least three gyros and at...
US20140372027 Music-Based Positioning Aided By Dead Reckoning  
Music-based positioning (MP) provides positioning service only sporadically and therefore is not suitable for indoor positioning. The present invention discloses system and method for music-based...
US20110066377 VELOCITY CALCULATING DEVICE, VELOCITY CALCULATION METHOD, AND NAVIGATION DEVICE  
Provided is a velocity calculating device including a vertical acceleration detector that detects a vertical acceleration generated due to an undulation of a contact surface; a horizontal angular...
US20120143495 METHODS AND SYSTEMS FOR INDOOR NAVIGATION  
Methods and systems for indoor navigation utilize a smartphone equipped with various sensors. When a person whose initial position is unknown, and in some circumstances whose sight has been...
US20120226395 METHOD AND SYSTEM FOR DETERMINING THE ATTITUDE OF AN AIRCRAFT BY MULTI-AXIS ACCELEROMETRIC MEASUREMENTS  
An inertial system measures the attitude of an aircraft consisting at least in determining the angle of pitch and/or the angle of heading and/or the angle of roll of the aircraft, each of the said...
US20110137560 METHOD AND SYSTEM FOR LATITUDE ADAPTIVE NAVIGATION QUALITY ESTIMATION  
A method and system for navigation quality estimation is provided. The method comprises obtaining an alignment observation, comparing the alignment observation to a current heading estimate, and...
US20130054130 NAVIGATION SYSTEM, METHOD OF POSITION ESTIMATION AND METHOD OF PROVIDING NAVIGATION INFORMATION  
A hybrid-computing navigation system worn by a user includes a modified motion sensor group which includes 9-axis or 10-axis motion sensors that are built-in, and a host device configured for...
US20140316698 OBSERVABILITY-CONSTRAINED VISION-AIDED INERTIAL NAVIGATION  
This disclosure describes techniques for reducing or eliminating estimator inconsistency in vision-aided inertial navigation systems (VINS). For example, an observability-constrained VINS...
US20120253670 SYSTEMS AND METHODS FOR GENERATING AND USING MOVING VIOLATION ALERTS  
Systems and methods for generating and using moving violation alerts are disclosed. A navigation device located in a vehicle determines the vehicle's present location and present speed, and...
US20110066376 VELOCITY CALCULATING DEVICE, VELOCITY CALCULATING METHOD, AND NAVIGATION DEVICE  
Provided is a velocity calculating device including a vertical acceleration detector mounted on a moving body that travels on a predetermined travel surface, the vertical acceleration detector...
US20090073045 ULTRASONIC MULTILATERATION SYSTEM FOR STRIDE VECTORING  
A lateration system comprising at least one transmitter attached to a first object and configured to emit pulses, three or more receivers attached to at least one second object and configured to...
US20130060467 NAVIGATION SYSTEM WITH DEVICE ORIENTATION MECHANISM AND METHOD OF OPERATION THEREOF  
A method of operation of a navigation system includes: receiving acceleration information, including an acceleration measurement, and location information; calculating a total acceleration...
US20140365119 DETECTING INFORMATION ABOUT MOTION OF MOBILE DEVICE  
Provided is an apparatus caused at least to: acquire a set of Earth's magnetic field, EMF, measurement results, wherein each EMF measurement result represents at least one of a magnitude and a...
US20110172918 MOTION STATE DETECTION FOR MOBILE DEVICE  
Methods, apparatuses, and systems are provided to indicate whether a mobile device is at rest or in motion based, at least in part, on inertial sensor measurements obtained from one or more...
US20120109445 UNDERSTEER ASSESSMENT FOR VEHICLES  
Methods and systems are provided for assessing understeer for a vehicle having at least one rear wheel and at least one front wheel. Rear wheel speeds are measured from the rear wheels, and front...
US20120265439 NAVIGATION DEVICE POSITIONING SYSTEM  
A navigation system may determine an approximate position of a navigation device and determine a geographical area in which the navigation device is located based on the approximate position. The...
US20120136573 ATTITUDE ESTIMATION FOR PEDESTRIAN NAVIGATION USING LOW COST MEMS ACCELEROMETER IN MOBILE APPLICATIONS, AND PROCESSING METHODS, APPARATUS AND SYSTEMS  
A user-heading determining system (10) for pedestrian use includes a multiple-axis accelerometer (110) having acceleration sensors; a device-heading sensor circuit (115) physically situated in a...
US20090248304 Vision-aided inertial navigation  
This document discloses, among other things, a system and method for implementing an algorithm to determine pose, velocity, acceleration or other navigation information using feature tracking...
US20120277992 ELECTRONIC NAVIGATION DEVICE FOR A HUMAN AND RELATED METHODS  
An electronic navigation device for a human user may include a housing to be carried by the human user, and at least one accelerometer carried by the housing and configured to sense acceleration...
US20120078501 NAVIGATION SYSTEM WITH PREDICTED POSITIONING CONDITION MECHANISM AND METHOD OF OPERATION THEREOF  
A method of operation of a navigation system includes: obtaining a first coverage location; determining a first coverage quality at the first coverage location is below a predefined threshold;...
US20090177398 Angles only navigation system  
An angles only aircraft navigation system. The system includes an IMU coupled with a passive optical sensor. The optical sensor provides periodic updates to the IMU in order to correct for...
US20100057360 Velocity calculation device, velocity calculation method, and navigation device  
A velocity calculation device includes: a vertical direction acceleration detection portion that is mounted on a vehicle and detects an acceleration in a vertical direction generated...
US20150117148 MARINE STREAMER INERTIAL NAVIGATING DRAG BODY  
A sensor streamer drag body system. At least some of the example embodiments include a system having a sensor streamer towable behind a vessel in a body of water, the sensor streamer defining a...
US20120083716 Portable Monitoring Devices and Methods of Operating Same  
The present inventions, in one aspect, are directed to a portable monitoring device to calculate a number of stairs or flights of stairs traversed by a user, the portable monitoring device...
US20150149085 METHOD AND SYSTEM FOR AUTOMATICALLY GENERATING LOCATION SIGNATURES FOR POSITIONING USING INERTIAL SENSORS  
A device, method and computer readable medium is disclosed for generating a plurality of location signature is disclosed. The method includes seeding a device with an initial position and...
US20110127365 INERTIAL MEASUREMENT UNIT (IMU) MULTI-POINT THERMAL CONTROL  
A thermally controlled gas bearing supported inertial measurement unit (IMU) system is provided. The system comprises a sensor assembly enclosing one or more sensors and a plurality of heating...
US20120265441 NAVIGATION SYSTEM, NAVIGATION DEVICE, NAVIGATION SERVER, VEHICLE PROVIDED WITH A NAVIGATION DEVICE, GROUP OF SUCH VEHICLES AND NAVIGATION METHOD  
A navigation system is disclosed comprising a navigation device (2a) with a navigation sensor unit (3) and a magnetic field sensor unit (4), the navigation device is arranged to be moved. The...
US20100318294 METHOD AND SYSTEM FOR CHARACTERIZING RIDE EXPERIENCES  
The invention provides a monitoring device and its method of use for characterizing and evaluating the recreational quality of a ride event, based on velocity, g-forces, and vertical and lateral...
US20070143018 METHOD FOR ARBITRATING BETWEEN MULTIPLE VEHICLE NAVIGATION SYSTEMS  
A method for arbitrating between vehicle navigation systems in the event that multiple systems are concurrently activated so that information is provided to a user by only one navigation system at...
US20140324338 SYSTEM AND METHOD FOR CONTINUOUS AND INCREMENTAL LOCATION TRACKING OF A SMARTPHONE BASED ON SITUATION-AWARE CONTROL OF THE LEVEL OF BACKGROUND SENSING  
The invention comprises a method for controlling the level of background reading of the sensors of a smartphone in order to continuously and incrementally track its location in an energy-efficient...
US20130166201 SYSTEM AND METHOD FOR CONTINUOUS AND INCREMENTAL LOCATION TRACKING OF A SMARTPHONE BASED ON SITUATION-AWARE CONTROL OF THE LEVEL OF BACKGROUND SENSING  
The invention comprises a method for controlling the level of background reading of the sensors of a smartphone in order to continuously and incrementally track its location in an energy-efficient...
US20130338915 ATTITUDE DETERMINATION METHOD, POSITION CALCULATION METHOD, AND ATTITUDE DETERMINATION DEVICE  
A new method for determining an attitude of a sensor with respect to a moving body is proposed. A movement vector is measured by a sensor mounted in the moving body. In addition, the attitude of...
US20100174487 TELEPHONE OR OTHER PORTABLE DEVICE WITH INERTIAL SENSOR  
At least one inertial sensor is configured to sense movement of a telephone (or other portable device such as a personal digital assistant, portable computer, portable game device, portable audio...
US20130035849 Navigation Apparatus Having Three-Dimensional Gravity Sensor and Navigation Method Thereof  
A navigation apparatus with three-dimensional gravity sensor and a navigation method thereof. The navigation apparatus comprises an input module, a three-dimensional gravity sensor module, a...
US20080243384 AZIMUTH DETERMINATION APPARATUS, AZIMUTH DETERMINATION METHOD AND AZIMUTH DETERMINATION PROGRAM  
Disclosed herein is an azimuth determination apparatus including: a horizontal-direction acceleration detection section installed in a movable body as a section configured to detect an...
US20130297203 METHODS AND APPARATUS FOR LOW-COST INERTIAL DEAD-RECKONING USING CONTEXT DETECTION  
A method for determining a user bearing, implemented on a portable device programmed to perform the method includes determining with a physical sensor of the portable device, a first geometric...
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...
US20080221794 Hybrid Inertial Navigation System Based on A Kinematic Model  
The invention concerns a method for improving determination of inertial navigation parameters (1) of a carrier (1) moving along modelizable kinematic movement components, the method including the...
US20100305856 Pedestrian navigation device and method using heading information of terminal  
A pedestrian navigation device and method uses heading information of a terminal to measure a location. Moving direction information and x, y, and z-axis acceleration values of the terminal are...
US20100010741 Inertial measurement with an imaging sensor and a digitized map  
The present invention relates to a system and method for determining vehicle attitude and position from image data detected by sensors in a vehicle. The invention uses calculated differences...
US20130238237 MULTIPLE DATA SOURCES PEDESTRIAN NAVIGATION SYSTEM  
A method of pedestrian navigation, based on an external positioning system and a Dead Reckoning (DR) system is provided herein. The method may employ the following steps: obtaining external...
US20140372026 METHOD AND APPARATUS FOR NAVIGATION WITH NONLINEAR MODELS  
A navigation module and method for providing an INS/GNSS navigation solution for a device that can either be tethered or move freely within a moving platform is provided, comprising a receiver for...
US20140278080 METHOD TO SCALE INERTIAL LOCATION DATA USING DIRECTIONAL AND/OR SCALE CONFIDENCE CONSTRAINTS  
Methods, systems, and computer readable storage media are presented for directional scaling of inertial path data to satisfy ranging constraints. The presented techniques take into account scaling...
US20120166082 METHOD AND SYSTEM FOR INITIAL QUATERNION AND ATTITUDE ESTIMATION  
Techniques are provided to determine an initial quaternion transform that is used to transform measurements received from accelerometer, rate sensor and inertial reference subsystems from a...
US20120203456 METHOD AND DEVICE FOR LONG-DURATION NAVIGATION  
A long-term navigation method using an inertial unit associated with a system of axes X, Y, Z and mounted on a vehicle traveling relative to the Earth in order to measure its movements relative to...
US20150019124 SYSTEM AND METHOD FOR LOCATING, TRACKING, AND/OR MONITORING THE STATUS OF PERSONNEL AND/OR ASSETS BOTH INDOORS AND OUTDOORS  
A system and method for locating, tracking, and/or monitoring the status of personnel and/or assets (collectively “trackees”), both indoors and outdoors, is provided. Tracking data obtained from...
US20130211718 APPARATUS AND METHOD FOR PROVIDING INDOOR NAVIGATION SERVICE  
Disclosed herein is an apparatus and method for providing an indoor navigation service. An apparatus includes a communication module for, when an indoor navigation service is executed, accessing a...
US20120209516 NAVIGATION SYSTEM WITH INTERACTIVE ACCELEROMETER MECHANISM AND METHOD OF OPERATION THEREOF  
A method of operation of a navigation system includes: detecting an accelerometer acceleration, having a magnitude and a direction, for monitoring a device; receiving a first location reading for...
US20080077326 Method and System for Locating and Monitoring First Responders  
The present invention is directed to methods and systems for locating and monitoring the status of people and moveable assets, such as first responders, including firefighters and other public...

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