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| Number | Title | Issue Date |
| 8165795 | 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 following steps: (a) selecting, taking into account a ki... | 04/24/2012 |
| 8145419 | Mobile object position estimation apparatus and method A mobile object position estimation apparatus mounted in a mobile object includes a first estimation mechanism for estimating the mobile object position based on the outputs from an inertial navigation sensor device (acceleration sensor, and yaw rate sensor, or the ... | 03/27/2012 |
| 8145420 | Method and apparatus for joining together portions of a geometric assembly A housing comprises at least first and second portions. The first and second portions mate with each other at respective joining regions. The first and second portions each comprise a respective tapered flange along the joining region. The first and second portions ... | 03/27/2012 |
| 8078401 | Method of personal navigation using stride vectoring A method of error compensation for an inertial measurement unit is provided. The method comprises providing a first object including an inertial measurement unit, providing a second object proximal to the first object, and determining an initial position and orienta... | 12/13/2011 |
| 8019542 | Heading stabilization for aided inertial navigation systems A method of stabilizing heading in an inertial navigation system includes operating an inertial measurement unit comprising horizontal-sensing elements and off-horizontal-sensing elements while the inertial measurement unit is in a first orientation, calibrating the... | 09/13/2011 |
| 7966126 | Vital system for determining location and location uncertainty of a railroad vehicle with respect to a predetermined track map using a global positioning system and other diverse sensors A system includes a global positioning system receiver to determine position of a railroad vehicle, a predetermined track map of possible coordinates of the vehicle, motion sensors providing a positive bias error to determine change in location of the vehicle, an ac... | 06/21/2011 |
| 7962286 | Vehicle-mounted navigation apparatus When a CPU 11 controls a drawing control and storage unit 14 according to an operation performed on an operation unit 3 not to perform any navigation display on a monitoring unit 2, the CPU controls a switch SW1 to an off state dur... | 06/14/2011 |
| 7957899 | Method for determining the attitude, position, and velocity of a mobile device A method is provided for determining the attitude, position, and velocity of a mobile device from knowledge of the direction of the earth's magnetic field in an absolute reference frame. Signals are supplied to a processing means for the signals by gyroscopic measur... | 06/07/2011 |
| 7933717 | Method for elaborating navigation parameters and vertical of a place The invention concerns the gyroscopic instrument engineering and can be used in determination of main navigation parameters for marine, air and surface vehicle positioning. Technical result consists in increased accuracy of output parameters, including substa... | 04/26/2011 |
| 7890262 | Position estimation for navigation devices A method of providing position estimation with a navigation device comprises periodically recording magnetic field strength of an area substantially surrounding a navigation device as a user of the navigation device traverses a select pathway. The method combines th... | 02/15/2011 |
| 7873472 | Methods and systems for implementing an iterated extended Kalman filter within a navigation system Methods and systems for implementing an iterated extended Kalman filter within a navigation system are provided. In one embodiment, a Kalman filter programmed with time updating error states and measurement updating error states relating to received data sets is pro... | 01/18/2011 |
| 7869950 | Positioning system, positioning method and car navigation system A positioning system 10 includes a positioning unit 15 configured to perform position estimation based on radio signals from artificial satellites and an autonomous navigation unit 14 configured to perform position estimation by autonomous navig... | 01/11/2011 |
| 7860651 | Enhanced inertial system performance An inertial system is provided. The system includes at least one inertial sensor, a processing unit and a plurality of Kalman filters implemented in the processing unit. The Kalman filters receive information from the at least one inertial sensor, and at most one of... | 12/28/2010 |
| 7848883 | Method and device for determining the ground position of a mobile object, in particular an aircraft on an airport The invention concerns a device (1) comprising means (2) for emitting periodically position data, means (3) for emitting inertial data, means (4) for determining the position of the mobile object upon each position data emission based the... | 12/07/2010 |
| 7844397 | 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 relative navigation solution as a function of first unit information ... | 11/30/2010 |
| 7822550 | Environmental characteristic determination A processor of an apparatus in one example makes a determination of an environmental characteristic based on an average of a plurality of concomitant values that correspond to the environmental characteristic. ... | 10/26/2010 |
| 7809505 | Geomagnetic sensor and azimuth calculation method thereof A geomagnetic sensor with 3-axis acceleration sensors is provided. The geomagnetic sensor a geomagnetic measurement module including flux gates of X, Y and Z axes mutually crossing at right angles, a tilt measurement module including acceleration sensors of X, Y and... | 10/05/2010 |
| 7805245 | Inertial measurement unit fault detection isolation reconfiguration using parity logic A method of implementing a fault-tolerant-avionic architecture in a vehicle includes using parity logic to monitor the functionality of at least three non-fault-tolerant inertial measurement units during a parity check and calculating a threshold from expected inert... | 09/28/2010 |
| 7792640 | Altitude correction of a navigational device A method of altitude correction of an inertial navigational device, the method comprising the steps of: receiving (205) a relative altitude of the inertial navigational device; obtaining (210) a rate of change of the relative altitude of a reference de... | 09/07/2010 |
| 7739045 | Rapid self-alignment of a strapdown inertial system through real-time reprocessing A method of aligning an inertial navigation system or gyrocompass, including executing real-time navigation software on real-time inertial data to generate real-time navigation data, executing real-time Kalman filter software on the real-time navigation data and rea... | 06/15/2010 |
| 7725260 | Image-augmented inertial navigation system (IAINS) and method An image-augmented inertial navigation system (LAWS) mounted on a vehicle (10) includes an inertial navigation system (INS) configured to estimate a navigation state vector and an imager (12) configured to output pixel signals associated with terrain f... | 05/25/2010 |
| 7698064 | Gas supported inertial sensor system and method An inertial navigation system is provided. The system includes a sensor block, an outer shell that substantially surrounds the sensor block and a plurality of gas pads connected to the outer shell that float the sensor block in gas creating a near frictionless envir... | 04/13/2010 |
| 7672781 | Miniaturized wireless inertial sensing system A system includes a moveable body and a first device for mounting on the movable body. The first device includes an orientation sensor, an inertial position sensor, a first processor, a frequency agile RF transceiver, and a memory device. ... | 03/02/2010 |
| 7668655 | Navigation component modeling system and method An inertial navigation system includes a navigation component, such as an inertial measurement unit, a processor in communication with the navigation component, and a filter embedded in computer code implemented within the processor. The filter includes a model of t... | 02/23/2010 |
| 7650238 | Environmental characteristic determination A processor of an apparatus in one example makes a determination of an environmental characteristic based on an average of a plurality of concomitant values that correspond to the environmental characteristic. ... | 01/19/2010 |
| 7647175 | Discrete inertial display navigation A system and method for calculating velocity vectors from accelerations by establishing a predetermined acceleration threshold, and attributing a predetermined velocity vector to accelerations that cross the predetermined threshold. Preferably, the system and method... | 01/12/2010 |
| 7647176 | Method and system for wireless power transfers through multiple ports A system and method for wireless power transfer to an electronic device in motion, such as an inertial sensor assembly, is disclosed. In the method, a power level of a battery in the electronic device is monitored to determine whether the power level is at or below ... | 01/12/2010 |
| 7643939 | Methods and systems for implementing an iterated extended Kalman filter within a navigation system A navigation system for a vehicle is described that includes an inertial measurement unit, a positioning unit, and a processing unit. The inertial measurement unit configured to provide a first set of data relating to operation of the vehicle and the positioning uni... | 01/05/2010 |
| 7613567 | Method for correcting the outputs of vehicle behavior sensor First and second acceleration sensor elements for detecting the acceleration of a vehicle in the direction in which the vehicle travels, and the acceleration of the vehicle in the direction transverse to the travel direction of the vehicle are mounted on a sensor su... | 11/03/2009 |
| 7606665 | System and method for employing an aided-alignment mode to align an inertial reference system A system and method for aligning an inertial reference system, which is coupled to a moveable body, is provided. The method includes obtaining unaided navigation state information from an unaided source, and obtaining aiding state information from an aiding source. ... | 10/20/2009 |
| 7587277 | Inertial/magnetic measurement device Disclosed is a system and method for onboard optimal estimation of heading, pitch, and roll through real-time measurement of magnetic field, acceleration and angular motion in three dimensions. Magnetometer information is used to create an initial reference from whi... | 09/08/2009 |
| 7437242 | Navigation apparatus A navigation apparatus mounted on a vehicle is equipped with a first gyro sensor and a second gyro sensor arranged in symmetry with respect to a first axis in a travel direction of the vehicle and to a second axis that passes through the center of gravity of the veh... | 10/14/2008 |
| 7424309 | System in vehicles for making a telephone call A system for making a telephone call in a vehicle in which information concerning the traffic situation of a first vehicle is electronically processed and sent to a second vehicle. By apparatuses of further electronic processing, only relevant information concerning... | 09/09/2008 |
| 7421343 | Systems and methods for reducing vibration-induced errors in inertial sensors Systems and methods for reducing vibration-induced bias errors in inertial sensors are disclosed. A system for reducing bias errors in an inertial sensor operating within an environment may include a vibration detector for sensing vibration changes within the enviro... | 09/02/2008 |
| 7409291 | Device for automatic detection of states of motion and rest, and portable electronic apparatus incorporating it A device for automatic detection of states of motion and rest includes at least one inertial sensor, having at least one preferential detection axis, and a converter, which is coupled to the inertial sensor and supplies a first signal correlated to forces acting on ... | 08/05/2008 |
| 7409292 | Method and system for degimbalization of vehicle navigation data A method and system for degimbalization of sensor outputs is provided. Data output from an embedded GPS inertial navigation system (EGI), which is mounted within a gimbaled system on a vehicle, is processed to provide degimballed navigation data. Generally, motion o... | 08/05/2008 |
| 7403853 | Position determination system for movable objects or personnel using GPS/TV location technology integrated with inertial navigation system A position determination system for movable objects or personnel comprising at least one portable position sensor built into a wearable item of a member of personnel having an identification number, or embedded into a movable object having an identification number, ... | 07/22/2008 |
| 7403374 | Integrated rotatable support for a communications device A spring-loaded rotatable support integrated into the end of a cable modem housing can be deployed to prevent tipping of the modem housing when it is placed in the vertical position, and stowed to allow placement of the modem in a horizontal position. The support is... | 07/22/2008 |
| 7400246 | Inertial Sensor Tracking System The INERTIAL SENSOR TRACKING SYSTEM is an overall system installation consisting of wireless body pack transmitters, broadband telemetry transceivers, computer and monitoring equipment, and emergency power generation for tracking personnel in an underground mine env... | 07/15/2008 |
| 7398155 | Car navigation system When an elevated road and a usual fly-under road are located in a stacked state, two roads are shown in overlapped lines on a display unit of a car navigation system in a subject vehicle. When the subject vehicle travels the fly-under road, the elevated road is show... | 07/08/2008 |
