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Class Information
Number: 702/93
Name: Data processing: measuring, calibrating, or testing > Calibration or correction system > Direction (e.g., compass) > By another sensor
Description: Subject matter wherein the calibration or correction is performed based on measurements of a secondary sensor.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8712069 Selection of system parameters based on non-acoustic sensor information Apr. 29, 2014
8688403 Portable electronic device adapted to provide an improved attitude matrix Apr. 1, 2014
8682610 Physical sensor devices having a multi-reference vector system Mar. 25, 2014
8645093 Calibrating multi-dimensional sensor for offset, sensitivity, and non-orthogonality Feb. 4, 2014
8626465 Calibrating sensor measurements on mobile devices Jan. 7, 2014
8594964 Method for compensating a measured value offset Nov. 26, 2013
8583392 Inertial measurement unit calibration system Nov. 12, 2013
8552739 Electronic device and method for correcting time-domain reflectometers Oct. 8, 2013
8548766 Systems and methods for gyroscope calibration Oct. 1, 2013
8532864 Control apparatus for autonomous operating vehicle Sep. 10, 2013
8527228 Calibration for three dimensional motion sensor Sep. 3, 2013
8485014 Apparatus and methods for imbalance compensation Jul. 16, 2013
8489355 Method for the determination of long-term offset drifts of acceleration sensors in motor vehicles Jul. 16, 2013
8437970 Restoring and storing magnetometer calibration data May. 7, 2013
8374817 Auto-calibration of orientation sensing systems Feb. 12, 2013
8326561 Dynamic motion control Dec. 4, 2012
8326533 Apparatus and methodology for calibration of a gyroscope and a compass included in a handheld device Dec. 4, 2012
8311757 Miniaturized smart self-calibration electronic pointing method and system Nov. 13, 2012
8306768 Game apparatus and computer-readable recording medium recording game program for controlling attitude and position of an object in a virtual space Nov. 6, 2012
8290748 Sensor interface with integrated current measurement Oct. 16, 2012
8155909 Method and device for checking the plausibility of measured values in a motor vehicle environment Apr. 10, 2012
8145418 Systems and methods for improving magnetic heading output from an inertial navigation system Mar. 27, 2012
8108171 Systems and methods for calibration of gyroscopes and a magnetic compass Jan. 31, 2012
8103472 Method and apparatus for compensating for position slip in interface devices Jan. 24, 2012
8079277 Apparatus and method for refining subject activity classification for recognition of daily activities, and system for recognizing daily activities using the same Dec. 20, 2011
8060328 Method and apparatus for quantitating surface-binding optical resonance profiles Nov. 15, 2011
8005635 Self-calibrated azimuth and attitude accuracy enhancing method and system (SAAAEMS) Aug. 23, 2011
7941268 Bearing calculator and error correction method May. 10, 2011
7937217 Bearing calculator and error correction method May. 3, 2011
7884736 Common interface architecture for horizontal directional drilling machines and walk-over guidance systems Feb. 8, 2011
7877240 Method for detecting the sources of faults or defective measuring sensors by working case modeling and partial suppression of equations Jan. 25, 2011
7860553 Two-stage calibration of medical probes Dec. 28, 2010
7835879 Method and device for calibrating a magnetic sensor Nov. 16, 2010
7822568 Method and apparatus for quantitating surface-binding optical resonance profiles Oct. 26, 2010
7769539 Bearing calculator and error correction method Aug. 3, 2010
7643962 Method for judging directionality by utilizing a gravity sensor Jan. 5, 2010
7558690 Method for calibrating sensors Jul. 7, 2009
7509221 Custom configuration strategy for on-package genset controllers Mar. 24, 2009
7458166 Vehicle compass system with continuous automatic calibration Dec. 2, 2008
7359776 Apparatus for correcting and diagnosing angular rate sensors installed in an automotive vehicle Apr. 15, 2008
7275008 Calibration of 3D field sensors Sep. 25, 2007
7254503 Light source wavelength correction Aug. 7, 2007
7233873 Rotor position detection in an electrical machine Jun. 19, 2007
7155836 Method and apparatus for using magnetic field Jan. 2, 2007
7117111 Adjusting method of a tilt meter Oct. 3, 2006
6931339 Compass and communication system Aug. 16, 2005
6868360 Small head-mounted compass system with optical display Mar. 15, 2005
6850859 Sensor drift compensation by lot Feb. 1, 2005
6763293 Calibration procedure for a permanently powered relative steering wheel angle sensor with power-loss indication Jul. 13, 2004
6634207 Accelerometer compensation in an inertial navigation system Oct. 21, 2003

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