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Class Information
Number: 324/202
Name: Electricity: measuring and testing > Magnetic > Calibration
Description: Subject matter which includes means to present a known magnetic field to the apparatus to sense and indicate the sensing of the magnetic field so that the sensing and indication can be noted to see if the apparatus to sense and indicate gives the correct response to the sensed known magnetic field.

Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8710825 Method and system of a sensor interface having dynamic automatic gain control Apr. 29, 2014
8692546 Circuits and methods for generating a diagnostic mode of operation in a magnetic field sensor Apr. 8, 2014
8686715 Impedance compensation method for giant magneto-impedance magnetic sensors to null out the terrestrial residual magnetic field Apr. 1, 2014
8680846 Circuits and methods for self-calibrating or self-testing a magnetic field sensor Mar. 25, 2014
8653824 Delta temperature test method and system Feb. 18, 2014
8633685 System and method for measuring alignment errors of shafts Jan. 21, 2014
8614572 Integrated magnetic field generation and detection platform Dec. 24, 2013
8604777 Current sensor with calibration for a current divider configuration Dec. 10, 2013
8575878 Energy converter Nov. 5, 2013
8577640 Magnetometer bias and anomaly detector Nov. 5, 2013
8558537 Method to test the measurement accuracy of at least one magnetic field sensor using a semiconductor chip having a measurement coil Oct. 15, 2013
8560259 Dynamically self-adjusting magnetometer Oct. 15, 2013
8554503 Method for calibrating a thickness gauge Oct. 8, 2013
8542010 Circuits and methods for generating a diagnostic mode of operation in a magnetic field sensor Sep. 24, 2013
8532952 Processes to create discrete corrosion defects on substrates and establish corrosion NDI test standards Sep. 10, 2013
8485014 Apparatus and methods for imbalance compensation Jul. 16, 2013
8476896 Method and sensor arrangement for determining the position and/or change of position of a measured object relative to a sensor Jul. 2, 2013
8456160 Three axis field monitor Jun. 4, 2013
8448490 Processes to create discrete corrosion defects on substrates and establish corrosion NDI test standards May. 28, 2013
8432156 System and method for obtaining magnetometer readings for performing a magnetometer calibration Apr. 30, 2013
8421445 Position detecting system and position detecting method Apr. 16, 2013
8423228 Apparatus and method for detecting decrease in tire air pressure and program for detecting decrease in tire air pressure Apr. 16, 2013
8415947 Method for stress assessment that removes temperature effects and hysteresis on the material property measurements Apr. 9, 2013
8405385 Temperature and drift compensation in magnetoresistive sensors Mar. 26, 2013
8368389 Sensor unit Feb. 5, 2013
8350563 Magnetic field sensor and method used in a magnetic field sensor that adjusts a sensitivity and/or an offset over temperature Jan. 8, 2013
8339123 Portable electronic device with electronic compass and method for calibrating compass Dec. 25, 2012
8319491 System including circuit that determines calibration values Nov. 27, 2012
8305082 Calibration of XX, YY and ZZ induction tool measurements Nov. 6, 2012
8299783 Circuits and methods for calibration of a motion detector Oct. 30, 2012
8290455 Accessory device for a field transmitter Oct. 16, 2012
8258780 Self-testing sensor Sep. 4, 2012
8248063 Open loop magneto-resistive magnetic field sensor Aug. 21, 2012
8203329 Calibratable multidimensional magnetic point sensor Jun. 19, 2012
8198899 Method and system for calibrating streamer electrodes in a marine electromagnetic survey system Jun. 12, 2012
8183859 Apparatus and method for calibrating a tramp metal detector May. 22, 2012
8154281 Sensor system wherein spinning phases of the spinning current hall sensor are lengthened in residual offset adjustment Apr. 10, 2012
8134358 Method of auto calibrating a magnetic field sensor for drift and structure therefor Mar. 13, 2012
8132040 Channel-to-channel deskew systems and methods Mar. 6, 2012
8106647 Rotation sensor Jan. 31, 2012
8099852 Method for assembling image capturing device Jan. 24, 2012
8072208 Integrated circuit with tracking logic Dec. 6, 2011
8044656 Device for calibration of a field transmitter Oct. 25, 2011
8044660 Arrangement and method for influencing and/or detecting magnetic particles in a region of action Oct. 25, 2011
7994773 Apparatus and method for in-field magnetic measurements Aug. 9, 2011
7994776 Failure detection apparatus for resolver Aug. 9, 2011
7994781 Eddy current sensor with concentric segments Aug. 9, 2011
7987583 Magnetic head slider testing apparatus and magnetic head slider testing method Aug. 2, 2011
7940042 Method and apparatus for testing magnetoresistive effect element May. 10, 2011
7919961 Method for measuring magnetic permeability and reference sample used in the latter Apr. 5, 2011

1 2 3 4 5 6 7 8

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