About 46 results
https://drivepatents.com/patents/985655 · 13 Mar 2013
In a geomagnetism measurement apparatus, a magnetic sensor detects magnetic data, and a storage unit stores the magnetic data sequentially output from the magnetic sensor. An ellipsoid generation unit calculates each ellipsoidal central point of first, sec...
https://drivepatents.com/patents/994265 · 9 Jan 2013
Even if a measurement data group is not a measurement data group that is obtained in a space where the magnitude of a vector physical quantity to be measured is uniform, an offset with high reliability is estimated. The reliability of the estimated offset ...
https://drivepatents.com/patents/995405 · 5 Dec 2012
A system and method of obtaining magnetometer readings for performing a magnetometer calibration are provided. The method comprises detecting initiation of a magnetometer calibration; displaying a plurality of visual elements representing at least a pair o...
https://drivepatents.com/patents/997908 · 26 Sep 2012
A geomagnetic field measurement device has a three-dimensional magnetic sensor and a storage device that stores plural pieces of magnetic data sequentially output from the three-dimensional magnetic sensor. The geomagnetic field measurement device calculat...
https://drivepatents.com/patents/997900 · 26 Sep 2012
A multi-magnetometer device comprises at least two z-axis aligned and physically rotated magnetometer triads utilized for measuring corresponding earth's magnetic field. The magnetic field measurements are utilized to measure rotation measurements of a sin...
https://drivepatents.com/patents/999334 · 15 Aug 2012
A method and system are provided for calibrating a magnetometer of a mobile device. The method comprises displaying a visual indication of a gestural path on a display of the portable electronic device, monitoring for changes in orientation of the portable...
https://drivepatents.com/patents/1002130 · 23 May 2012
The instrument (10) has a calculator for determining and displaying an altitude (42), speed (40), an attitude (14) and a current heading (48) of an aircraft on a color screen (12) from air data sensors, inertial sensors and a magnetic field sensor. The cal...
https://drivepatents.com/patents/1002817 · 2 May 2012
A method and system are provided for calibrating a magnetometer. The method comprises obtaining a plurality of magnetometer sensor readings; storing sensor readings from the plurality of obtained sensor readings that are different; determining a first cali...
https://drivepatents.com/patents/1002814 · 2 May 2012
A method and system are provided for calibrating a magnetometer. The method comprises detecting a change in a physical configuration of the mobile device; applying at least one stored calibration parameter as a respective active calibration parameter when ...
https://drivepatents.com/patents/1002815 · 2 May 2012
A method and system are provided for calibrating a magnetometer. The method comprises applying at least one first test to a new set of calibration parameters; accepting the new set of calibration parameters as an active set of calibration parameters when t...