About 46 results
https://drivepatents.com/patents/979608 · 15 Jan 2014
A system comprises a plurality of reference navigation systems, each reference navigation system configured to generate a respective reference navigation solution. The system also comprises a test navigation system, the test navigation system configured to...
METHOD AND SYSTEM FOR COMPENSATING FOR SOFT-IRON MAGNETIC DISTURBANCES IN A HEADING REFERENCE SYSTEM
https://drivepatents.com/patents/980423 · 25 Dec 2013
A method and system for compensating for significant soft iron magnetic disturbances in a heading reference system, such as an aircraft heading reference system, such as an integrated standby unit; or a vehicle inertial system, provides a heading correctio...
https://drivepatents.com/patents/981529 · 27 Nov 2013
A method and system are provided for determining a magnetic field using a mobile device. The method includes determining location information of the mobile device, obtaining magnetic field data based on the location information, determining orientation inf...
https://drivepatents.com/patents/981993 · 13 Nov 2013
Systems and methods are provided for selecting landmarks for navigation. In one embodiment, a system comprises an IMU that provides inertial measurements for a vehicle and at least one image sensor that acquires measurements of the vehicle's environment. T...
https://drivepatents.com/patents/982191 · 6 Nov 2013
A geomagnetic application device comprising a triaxial magnetic sensor, a measurement point acquiring means, a calibration means for calibrating offset of the magnetic sensor, and an azimuth calculation means, is provided. The geomagnetic application devic...
https://drivepatents.com/patents/984007 · 2 Oct 2013
A mobile terminal with electronic compass is provided with a first housing that houses a geomagnetic sensor, a second housing connected to the first housing, with relative position thereto being variable, a state detection unit that detects a relative posi...
https://drivepatents.com/patents/987704 · 7 Aug 2013
Methods and apparatus employing non-magnetometer navigational sensor data to assist in determining whether a change in a magnetic field detected by a magnetometer is likely due to a source of internal or external magnetic interference, and more generally, ...
https://drivepatents.com/patents/984896 · 5 Jun 2013
Method, means, portable terminal accessory and system for calibrating a sensor device comprising a positioning unit detecting the position of the electronic device, an image capturing unit capturing an image of the environment around the electronic device,...
https://drivepatents.com/patents/990941 · 8 May 2013
A base unit (10) includes a sensor calibration function (36). When a user communicatively couples a consumer electronic device (50; 90) having a sensor (62, 92) to the base unit (10), a controller (24; 52) at the base unit (40) retrieves a calibration refe...
https://drivepatents.com/patents/985117 · 17 Apr 2013
The method involves using a triaxis sensor that is fixed to a mobile object i.e. catheter, and measuring a vector that gives direction of field of physical quantity at a measurement point in a mobile referential system. A set of scalar and vector products ...