G01R33/025 - CPC Classification

Classification description:

Arrangements or instruments for measuring magnetic variables; Measuring direction or magnitude of magnetic fields or magnetic flux Compensating stray fields

Recent Application in this class:
#1
20240125872
2024-04-18

MAGNETORESISTIVE SENSOR

#2
20230176145
2023-06-08

MAGNETIC FIELD DETECTION DEVICE AND MAGNETIC FIELD DETECTION DEVICE ARRAY

#3
20230160980
2023-05-25

METHODS AND SYSTEMS FOR OBTAINING FLEXIBLE FREQUENCY SELECTION AND HIGH EFFICIENCY ON A LOW FREQUENCY MAGNETIC FIELD POSITION DETERMINATION

#4
20230126694
2023-04-27

MAGNETIC FIELD SENSOR, METHOD FOR PRODUCING SAME, AND METHOD FOR MEASURING A MAGNETIC FIELD

#5
20230083524
2023-03-16

Method and apparatus for reducing magnetic tracking error due to floor distortion

#6
20220349960
2022-11-03

Magnetic sensor

#7
20220326316
2022-10-13

Magnetic detection device and semiconductor integrated circuit for amplifying magnetic detection signal

#8
20220283248
2022-09-08

Magnetic field measurement cable and distributed-type well inside magnetic field measurement system

#9
20220107369
2022-04-07

Magnetic field sensor with an adjustable threshold for stray field immunity

#10
20210389389
2021-12-16

Systems and methods for measuring current output by a photodetector of a wearable sensor unit that includes one or more magnetometers

#11
20210293902
2021-09-23

Magnetic sensor device

#12
20210263114
2021-08-26

Target alignment and stray field indicator

#13
20210239772
2021-08-05

Magnetic field measurement systems and methods employing feedback loops with a loops with a low pass filter

#14
20210231894
2021-07-29

Non-metallic layer stranded optical cable with reversal point capable of being positioned and method for detecting the reversal point

#15
20210193372
2021-06-24

Electronic package for an electrically small device with integrated magnetic field bias

#16
20210116518
2021-04-22

Magnetic sensor with compensation coil for cancelling magnetic flux applied to a magneto-sensitive element

#17
20210048490
2021-02-18

Assembly and method for determining the strength of a magnetic stray field

#18
20210033425
2021-02-04

Resettable closed-loop multi-turn magnetic sensor

#19
20210018577
2021-01-21

HEV robust algorithms for magnetic speed sensor for engine applications

#20
20200400758
2020-12-24

Stray magnetic field cancellation for steering torque sensor

#21
20200350106
2020-11-05

Magnetic field generator for a magnetic field measurement system

#22
20200345259
2020-11-05

Systems and methods for concentrating alkali metal within a vapor cell of a magnetometer away from a transit path of light

#23
20200256932
2020-08-13

Magnetic sensor and magnetic-field detection device including the same

#24
20200256929
2020-08-13

Neural feedback loop filters for enhanced dynamic range magnetoencephalography (MEG) systems and methods

#25
20200241084
2020-07-30

Packages for coil actuated position sensors

#26
20200225298
2020-07-16

Targets for coil actuated position sensors

#27
20200200837
2020-06-25

Drift-compensated detection of a direction of a magnetic field

#28
20200116800
2020-04-16

Magnetic field sensor that corrects for the effect of a stray magnetic field using one or more magnetoresistance elements, each having a reference layer with the same magnetic direction

#29
20200096577
2020-03-26

HEV robust algorithms for magnetic speed sensor for engine applications

#30
20200064428
2020-02-27

Magnetic shield device

#31
20200057115
2020-02-20

Magnetic field shaping components for magnetic field measurement systems and methods for making and using

#32
20200057097
2020-02-20

Current sensor system

#33
20200018803
2020-01-16

Magnetic flux pickup and electronic device for sensing magnetic fields

#34
20200003849
2020-01-02

Stray field suppression in magnetic sensor Wheatstone bridges

#35
20190250220
2019-08-15

Packages for coil actuated position sensors

#36
20190250193
2019-08-15

Current sensor

#37
20190242952
2019-08-08

Compensating for distortion in an electromagnetic tracking system

#38
20190234763
2019-08-01

Magnetic field sensor having compensation for magnetic field sensing element placement

#39
20190178684
2019-06-13

Magnetoresistive sensor with stray field cancellation and systems incorporating same

#40
20190170793
2019-06-06

Current sensor

#41
20190135594
2019-05-09

Electric winch control module with magnetic flux shield

#42
20190078884
2019-03-14

Magnetic field compensation method, associated device and computer program

#43
20190018080
2019-01-17

Magnetic field sensor with magnetic field shield structure and systems incorporating same

#44
20180340989
2018-11-29

Coil actuated position sensor with reflected magnetic field

#45
20180340988
2018-11-29

Targets for coil actuated position sensors

#46
20180340987
2018-11-29

Packages for coil actuated position sensors

#47
20180321332
2018-11-08

Magnetic field detection device and magnetic field detection method

#48
20180321330
2018-11-08

Magnetic field compensation device

#49
20180299513
2018-10-18

Magnetometer compensation

#50
20180249602
2018-08-30

Systems and methods for flux cancelation in electronic devices

#51
20180235112
2018-08-16

Magnetic field shielding apparatus

#52
20180149678
2018-05-31

Apparatus for measuring an electric current through a bus bar

#53
20180031651
2018-02-01

Method and device for compensating for magnetic noise fields in spatial volumes, and nuclear magnetic resonance imaging apparatus

#54
20170307697
2017-10-26

Magnetic field sensor with multiple axis sense capability

#55
20170242062
2017-08-24

Automated test and measurement system with magnetic field detection

#56
20170212188
2017-07-27

MAGNETIC SENSOR AND MAGNETIC SENSOR APPARATUS

#57
20170155288
2017-06-01

Method of manufacturing magnetic shielding block for wireless power chargers

#58
20170071082
2017-03-09

Method and apparatus of implementing a magnetic shield flux sweeper

#59
20170014112
2017-01-19

Magnetic field-compatible components of a medical diagnostic and/or therapeutic system

#60
20160377691
2016-12-29

Integrated AMR magnetoresistor with large scale

#61
20160103196
2016-04-14

Method and apparatus for magnetic resonance imaging

#62
20160093319
2016-03-31

Magnetoresistive sensor with SAF structure having amorphous alloy layer

#63
20160091575
2016-03-31

Magnetic shielded package having magnetic shield members

#64
20160091574
2016-03-31

System and method for active balancing/cancellation of magnetic interference in a magnetic sensor

#65
20160091317
2016-03-31

Navigation system and method for machine

#66
20160011278
2016-01-14

Shielding apparatus, shielding method and demagnetizing for measuring magnetic field

#67
20150377986
2015-12-31

Magnetoresistive device and method for manufacturing the same

#68
20150276893
2015-10-01

Sensor device

#69
20150170686
2015-06-18

Magnetoresistive sensor with SAF structure having crystalline layer and amorphous layer

#70
20150130446
2015-05-14

Magnetic out-of-axis angle sensing principle

#71
20150069846
2015-03-12

Magnetic shielding apparatus and magnetic shielding method

#72
20150042392
2015-02-12

Adjustable compensation ratio feedback system

#73
20150008909
2015-01-08

Device for compensating electromagnetic interferences during biomagnetic measurements

#74
20150001400
2015-01-01

Method and apparatus for compensating for magnetic field during medical imaging

#75
20140288862
2014-09-25

Magnetic compensation circuit and method for compensating the output of a magnetic sensor, responding to changes in a first magnetic field

#76
20140278190
2014-09-18

Dynamically calibrating magnetic sensors

#77
20140252518
2014-09-11

High moment wrap-around shields for magnetic read head improvements

#78
20140194727
2014-07-10

Composite RF shield and method of making same

#79
20140125311
2014-05-08

Metal detector for production and packaging lines

#80
20140077612
2014-03-20

Magnetic shielding device and magnetic shielding method

#81
20140039302
2014-02-06

Magnetic field-compatible components of a medical diagnostic and/or therapeutic system

#82
20140028294
2014-01-30

Magnetic out-of-axis angle sensing principle

#83
20130197838
2013-08-01

Method for designing coil systems for generation of magnetic fields of desired geometry, a magnetic resonance imaging or magnetoencephalography apparatus with a coil assembly and a computer program

#84
20130109954
2013-05-02

Method for adjusting interference signal space in biomagnetic field measurements

#85
20130012808
2013-01-10

Connector with active shielding

#86
20120326707
2012-12-27

Environmental noise reduction for magnetometry

#87
20120305763
2012-12-06

System and method for compensating for magnetic noise

#88
20120287534
2012-11-15

Reader sensor, magnetic head, head gimbal assembly and disk drive unit with the same

#89
20120280773
2012-11-08

Magnetoresistive shield with coupled lateral magnet bias

#90
20120270072
2012-10-25

Magnetic shield with in-plane anisotropy

#91
20120194180
2012-08-02

Magnetoresistive device and method for manufacturing the same

#92
20120074943
2012-03-29

Apparatus and Method for Ferromagnetic Object Detector

#93
20110279120
2011-11-17

Electromagnetic survey systems and methods with rotation-corrected motion compensation

#94
20110267046
2011-11-03

Method and device for compensation in a measurement of a magnetic field, object-localizing method and system, recording medium for these methods

#95
20110251815
2011-10-13

Distortion-immune position tracking using redundant measurements

#96
20110251814
2011-10-13

Distortion-immune position tracking using redundant measurements

#97
20110218769
2011-09-08

MAGNETIC DATA PROCESSING DEVICE, METHOD, AND PROGRAM

#98
20110153233
2011-06-23

System for measuring a magnetic field comprising a three-axis sensor for measuring a magnetic field that is able to move together with a carrier that disrupts the measurements, and associated method

#99
20110137145
2011-06-09

METHOD FOR COMBINING HIGHLY PERMEABLE PARTS OF A MAGNETIC SHIELD

#100
20100321138
2010-12-23

Separate type magnetic shield apparatus

#101
20100308811
2010-12-09

Magnetic field compensation

#102
20100237853
2010-09-23

Current measuring device

#103
20090315548
2009-12-24

High sensitivity magnetic sensor

#104
20090184709
2009-07-23

Method for interference suppression in a measuring device

#105
20090153137
2009-06-18

Methods and apparatus for vibration detection

#106
20090102469
2009-04-23

Methods and apparatus for vibration detection

#107
20090073738
2009-03-19

Active shielding for a circuit comprising magnetically sensitive materials

#108
20090049931
2009-02-26

Magnetostrictive torque sensor

#109
20080309327
2008-12-18

Position detector and method employing plural sensor units for detecting a position of a packaging material with magnetic marking

#110
20080294386
2008-11-27

Method and device for interference suppression in electromagnetic multi-channel measurement

#111
20080290859
2008-11-27

Magnetic sensor with compensation

#112
20080278263
2008-11-13

Low phase noise testing system utilizing a crystal filter

#113
20080278152
2008-11-13

Disturbance Elimination System for Inductive Sensors

#114
20080246470
2008-10-09

Magnetic Sensor Device With Field Compensation

#115
20080234971
2008-09-25

Remote-controlled motion apparatus with sensing terrestrial magnetism and remote control apparatus therefor

#116
20080190660
2008-08-14

Magnetic Induction Protecting Structure

#117
20080164871
2008-07-10

Methods and apparatus for vibration detection

#118
20080082274
2008-04-03

Measuring method for electromagnetic field intensity and apparatus therefor, measuring method for electromagnetic field intensity distribution and apparatus therefor, measuring method for current and voltage distributions and apparatus therefor

#119
20080079424
2008-04-03

Measuring method for electromagnetic field intensity and apparatus therefor, measuring method for electromagnetic field intensity distribution and apparatus therefor, measuring method for current and voltage distributions and apparatus therefor

#120
20080033282
2008-02-07

Distortion-immune position tracking using redundant magnetic field measurements

#121
20080007258
2008-01-10

Sensor for measuring magnetic flux

#122
20070040554
2007-02-22

Magnetic shielding apparatus and magnetic field measuring apparatus using same

#123
20070014373
2007-01-18

Method and apparatus for cancellation of magnetizing inductance current in a transformer circuit

#124
20060279273
2006-12-14

Measuring method for electromagnetic field intensity and apparatus therefor, measuring method for electromagnetic field intensity distribution and apparatus therefor, measuring method for current and voltage distributions and apparatus therefor

#125
20060262585
2006-11-23

Active shielding for a circuit comprising magnetically sensitive materials

#126
20060237823
2006-10-26

Shielding arrangement to protect a circuit from stray magnetic fields

#127
20050225319
2005-10-13

Method and apparatus for vibration detection

#128
20050130327
2005-06-16

Shielding arrangement to protect a circuit from stray magnetic fields

#129
20050122101
2005-06-09

Single package design for 3-axis magnetic sensor

#130
20050110603
2005-05-26

Magnetic shielding system

#131
20050099177
2005-05-12

Dynamic magnetic anomaly compensation