Matches 101 - 150 out of 166 < 1 2 3 4 >


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US20140347039 SYSTEMS AND METHODS FOR MEASURING ELECTRICAL POWER USAGE IN A STRUCTURE AND SYSTEMS AND METHODS OF CALIBRATING THE SAME  
A magnetic field sensing device can include two or more magnetic field sensors configured to detect a magnetic field in a current carrying conductor. The magnetic field sensing device also can...
US20130229173 METHOD FOR MEASURING CURRENT IN AN ELECTRIC NETWORK  
A method for measuring current in an electric network comprising at least one first electric line. The method includes fitting the first line with a circuit breaker having a protection coil and...
US20130207646 MAGNETIC SENSOR APPARATUS  
A magnetic sensor apparatus includes a substrate, a plurality of magnetoresistance sensor units, a reset coil and a compensation coil. The magnetoresistance sensor units are disposed on the...
US20150253412 DEVICE AND CURRENT SENSOR FOR PROVIDING INFORMATION INDICATING A SAFE OPERATION  
An example of a device comprises a signal generator to generate a signal causing a magnetic self test field for a magneto-resistive sensing element. A signal input is configures to receive a first...
US20150102804 System for Magnetic Self Test  
The disclosure provides a system for magnetic self test. The system includes an electronic control unit (ECU) including a controller. Only one sensor is electrically coupled to the ECU, wherein...
US20110031960 Calibratable Multidimensional Magnetic Point Sensor  
A calibratable magnetic field sensor for sensing a first and a second spatial component of a magnetic field in a reference point, wherein the magnetic field includes a first and a second...
US20150018099 DYNAMIC MAGNETOMETER CALIBRATION  
Embodiments related to calibrating a mobile device including a magnetometer during application usage are disclosed. One embodiment provides a method comprising sampling magnetic information...
US20130221949 APPARATUS AND METHOD FOR RESETTING A Z-AXIS SENSOR FLUX GUIDE  
A method and apparatus eliminate magnetic domain walls in a flux guide by applying, either simultaneously or sequentially, a current pulse along serially positioned reset lines to create a...
US20130207645 MAGNETIC SENSOR APPARATUS  
A magnetic sensor apparatus includes a substrate, a plurality of magnetoresistance sensor units, a reset coil and a compensation coil. The magnetoresistance sensor units are disposed on the...
US20120016614 Magnetic 3D Sensor Calibratable During Measurement Operation  
A magnetic field sensor for detecting first, second, and third spatial components of a magnetic field at a reference point includes a first sensor element arrangement for detecting the first...
US20110316526 ARRANGEMENT AND METHOD FOR MEASURING A MAGNETIC MATERIAL IN A REGION OF ACTION  
The present invention relates to an arrangement (10) for measuring small amounts of a first medium (202) in a third medium (206) and/or of a substance in the first medium (202), said third medium...
US20070247141 Continuosly Calibrated Magnetic Field Sensor  
A magnetic field sensor comprises a reference magnetic field generator (8), a magnetic field sensing cell (6) including Hall effect sensing elements (12), and a signal processing circuit (4)...
US20100007338 Apparatus and Method for In-Field Magnetic Measurements  
A magnetic field verifier apparatus includes a magnetic field detection element configured to produce a voltage signal in response to an applied magnetic field wherein the voltage signal...
US20090015242 Method to Test the Measurement Accuracy of At Least One Magnetic Field Sensor  
In a process for testing the measurement accuracy of at least one magnetic field sensor, in particular during manufacturing, a semiconductor wafer that has at least two semiconductor chips is...
US20090273340 SELF-CALIBRATING MAGNETIC FIELD MONITOR  
A self-calibrating magnetic field monitor is disclosed. In one embodiment, a magnetic field sensor repeatedly generates an electronic signal related to the magnetic field. In addition, a...
US20120025808 OFF-CENTER ANGLE MEASUREMENT SYSTEM  
A method for measuring an angular position of a rotating shaft, the method including providing a magnetic field which rotates with the shaft about an axis of rotation, positioning an integrated...
US20080036450 Method for Calibrating a Transfer Function of a Magnetic Sensor  
A method for calibrating a transfer function of a magnetic sensor (MS) on a substrate (SBSTR) in which sensor (MS) the presence of magnetizable objects (SPB) can be detected by magnetizing the...
US20140285183 SELF-CALIBRATING MAGNETIC FIELD MONITOR  
A self-calibrating magnetic field monitor is disclosed. In one embodiment, a magnetic field sensor repeatedly generates an electronic signal related to the magnetic field. In addition, a...
US20120212214 METHOD AND SYSTEM OF A SENSOR INTERFACE HAVING DYNAMIC AUTOMATIC GAIN CONTROL  
Embodiments of the invention described herein provide a magnetic sensor interface capable of adjusting signal conditioning dynamically such that the true positive and negative peaks of the input...
US20100231203 Temperature and drift compensation in magnetoresistive sensors  
Double modulation of a magnetoresistive sensor entails modulating both an excitation (e.g., voltage or current) applied to the sensor and a tickling magnetic field applied to the sensor. The...
US20100060264 SELF-TESTING SENSOR  
Systems and methods for performing a self-test on a sensing device are described in the present disclosure. One implementation, among others, includes a method of performing a self test. In this...
US20140043017 ELECTROMAGNETIC POSITION AND ORIENTATION SENSING SYSTEM  
Magnetic tracking systems and methods for determining the position and orientation of a remote object. A magnetic tracking system includes a stationary transmitter for establishing a reference...
US20100237862 Mitigating Off-Resonance Angle In Steady-State Coherent Imaging  
Systems, methods, and other embodiments associated with mitigating off-resonance angle in steady-state coherent magnetic resonance imaging (MRI) are described. One example method includes...
US20100114518 Encoder signal analysis system for high-resolution position measurement  
An apparatus and method for identifying the position of a magnetic shaft are provided. N field sensors are adjacently positioned at fixed locations relative to the shaft's periodic field,...
US20140361763 Validating Calibrated Magnetometer Data  
Implementations are disclosed for validating data retrieved from a calibration database. In some implementations, calibrated magnetometer data for a magnetometer of a mobile device is retrieved...
US20100148761 Speed filter calibration apparatus and method for radio frequency metal detectors  
A metal detector (40) used for identifying contaminants in products (23) introduced into the metal detector by a conveyor. The detector (40) includes coils (1), a search head (2) and an analog to...
US20140132250 Integrated Magnatoresistive Sensing device  
An integrated magnetoresistive sensing device includes a substrate, a magnetoresistive sensing element and a built-in self test (BIST) unit. The substrate comprises a first surface and a second...
US20100271009 TRACKING POSITIONS OF PERSONNEL, VEHICLES, AND INANIMATE OBJECTS  
A device rotates at least one static magnetic field about an axis, producing a rotating magnetic dipole field, and is movable in relation to the surface of the ground. The field is periodically...
US20170176566 CIRCUITS AND TECHNIQUES FOR PERFORMING SELF-TEST DIAGNOSTICS IN A MAGNETIC FIELD SENSOR  
Systems and methods are provided herein for performing a self-test of a magnetic field sensor using internal diagnostic components for fault detection. The magnetic field sensor includes a...
US20170176294 EDDY CURRENT ARRAY TECHNOLOGY FOR ASSESSING WHEELS AND RIMS OF OFF ROAD VEHICLES  
A method of examining a wheel or rim on site is provided using a system comprising an eddy current array probe in electronic communication with a computer, the computer having a processor and a...
US20170131124 PROCESS AND DEVICE FOR ADJUSTING ROTARY ENCODER  
The invention relates to the process and device for adjusting a rotary encoder, i.e. the absolute magnetic rotary encoder with Hall effect sensors which, when positioned in the form of a circle,...
US20170123035 AUTONOMOUS MAGNETOMETER CALIBRATION  
The disclosure herein describes methods and apparatuses for magnetometer calibration through collection and processing of calibration data in the background and unassisted autonomous calibration...
US20170122737 SYSTEMS AND METHODS FOR MAGNETIC INTERFERENCE COMPENSATION OF AN EMBEDDED MAGNETOMETER  
A method and apparatus for magnetic interference compensation of an embedded magnetometer. One embodiment provides a method for operating a mobile communications device that includes an electronic...
US20170090066 SYSTEMS AND METHODS FOR ADAPTIVE CANCELLATION OF A MOVING METAL OBJECT'S EFFECT ON RECEIVED SIGNALS  
Metal detection process includes calibration operations to determine a plurality of gain settings and a plurality of model parameters, each corresponding to a region through which a moving metal...
US20170074961 DEVICE AND CURRENT SENSOR FOR PROVIDING INFORMATION INDICATING A SAVE OPERATION OF THE DEVICE OF THE CURRENT SENSOR  
An example of a device comprises a signal generator to generate a signal causing a magnetic self test field for a magneto-resistive sensing element. A signal input is configures to receive a first...
US20170067981 MAGNETOMETER AND ACCELEROMETER CALIBRATION FOR CART NAVIGATION SYSTEM  
A wheeled object (e.g., a human-propelled cart such as a shopping cart) can include a navigation system that uses dead reckoning to determine the position of the wheeled object. The navigation...
US20170067980 Methods and Apparatus for Magnetic Sensor with Integrated Calibration Mechanism  
Methods and apparatus for magnetic sensors and integrated calibration. In an example arrangement, a system includes a magnetic sensor configured to output a signal corresponding to magnetic...
US20170059683 MULTI-ELEMENT SENSOR ARRAY CALIBRATION METHOD  
A method of calibrating a sensor array having elements spaced from one another in a first direction, the array defining an array spatial response function, includes: providing a test workpiece...
US20170059667 CALIBRATION METHOD FOR MAGNETIC FIELD SENSING DEVICES, CORRESPONDING SYSTEM, APPARATUS AND COMPUTER PROGRAM PRODUCT  
A magnetic field sensor generates signal components corresponding to an uncalibrated representation of a sensed magnetic field in a three-dimensional coordinate system. A reader coupled to the...
US20170030979 Circuits and Methods for Removing a Gain Offset in a Magnetic Field Sensor  
A magnetic field sensor and a method include a modulator coupled in a feedback arrangement and operable to modulate a calibration feedback signal with a modulator clock signal having a selected...
US20170010335 SELF-CALIBRATING MAGNETIC FIELD MONITOR  
A self-calibrating magnetic field monitor is disclosed. In one embodiment, a magnetic field sensor repeatedly generates an electronic signal related to the magnetic field. In addition, a...
US20160377688 MAGNETIC FIELD LOCALIZATION AND NAVIGATION  
A mobile robot includes a body movable over a surface within an environment, a calibration coil carried on the body and configured to produce a calibration magnetic field, a sensor circuit carried...
US20160327627 CALIBRATION OF TEMPERATURE EFFECT ON MAGNETOMETER  
A method for calibrating a magnetometer following a temperature event is described. The magnetometer includes three sensors, including a Hall Effect sensor associated with a first sensing axis and...
US20160320217 SELF-CALIBRATING LINEAR VOLTAGE DIFFERENTIAL TRANSFORMER DEMODULATOR  
A calibration system includes an excitation module that introduces an excitation signal to a primary coil of a differential transformer, a measurement module that measures, at a first phase shift,...
US20160298950 Guided Installation Feedback for an Opening Sensor  
Systems and techniques are provided for guided installation feedback for an opening sensor. Detected magnetic field strengths of a magnetic field created by a magnet of an opening sensor as...
US20160238671 SYSTEMS AND METHODS FOR PROCESSING TEMPERATURE DATA OR OTHER SIGNALS  
In an embodiment, a circuit is configured to produce a magnetic field signal having a frequency spectrum. The circuit may also produce a temperature signal. A modulation circuit may modulate the...
US20160169983 MAGNETIC SENSING APPARATUS AND MAGNETIC SENSING METHOD THEREOF  
A magnetic sensing apparatus and a magnetic sensing method thereof are provided. The magnetic sensing apparatus includes a reference magnetic field (MF) generating unit, a MF sensing unit, a...
US20160146904 MICRO-DNV DEVICE  
A method for providing a miniature vector magnetometer includes embedding a micron-sized diamond nitrogen-vacancy (DNV) crystal into a bonding material. The bonding material including the embedded...
US20160139229 Dual-Path Analog to Digital Converter  
Methods and apparatus for processing a signal comprise at least one circuit configured to generate a measured signal during a measured time period and a reference signal during a reference time...
US20160123773 GAP AND DISPLACEMENT MAGNETIC SENSOR SYSTEM FOR SCANNER HEADS IN PAPER MACHINES OR OTHER SYSTEMS  
A gap and displacement magnetic sensor system for scanner heads in paper machines or other systems includes a multiple-sensor assembly. The multiple-sensor assembly includes multiple magnetic...

Matches 101 - 150 out of 166 < 1 2 3 4 >