ClassID:

171422

G01R15/185 - CPC Classification

Classification description:

Details of measuring arrangements of the types provided for in groups - , -  or; Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core with compensation or feedback windings or interacting coils, e.g. 0-flux sensors

Recent Application in this class:
#1
20250355026
2025-11-20

LEAKAGE CURRENT COMPENSATOR CIRCUIT

#2
20250277823
2025-09-04

CURRENT SENSOR AND CONTROL METHOD THEREOF

#3
20250102544
2025-03-27

Magnetic field sensor for measuring a direct current

#4
20250052834
2025-02-13

SMART CURRENT TRANSFORMER SYSTEM

#5
20240426948
2024-12-26

RING CORE CURRENT TRANSDUCER FOR FLUX DETECTION

#6
20240426942
2024-12-26

ELECTRIC CIRCUITRY FOR FAULT CURRENT DETECTION IN AN ELECTRIC VEHICLE CHARGING STATION

#7
20240369666
2024-11-07

Method of self-calibration current sensor

#8
20240329095
2024-10-03

MEASURING METHOD AND SINGLE-TORUS LOOP OHMMETER WITH DC LEAKAGE FLUX COMPENSATION

#9
20240329094
2024-10-03

CURRENT MEASUREMENT DEVICE AND CURRENT MEASUREMENT METHOD

#10
20240242881
2024-07-18

INTEGRATED MAGNETIC ELEMENT

#11
20240175903
2024-05-30

FLUXGATE CURRENT TRANSDUCER

#12
20240085462
2024-03-14

Current transducer

#13
20240036080
2024-02-01

ANALOG QUANTITY ACQUISITION METHOD AND APPARATUS

#14
20240012072
2024-01-11

MAGNETIC DETECTION APPARATUS AND CURRENT DETECTION APPARATUS

#15
20240012031
2024-01-11

CURRENT DETECTION APPARATUS

#16
20230221354
2023-07-13

Flux gate sensor circuit

#17
20220399159
2022-12-15

Current sensor

#18
20220357366
2022-11-10

Fluxgate current transducer

#19
20220260614
2022-08-18

CURRENT DETECTOR

#20
20220260613
2022-08-18

Method of reducing noise in a fluxgate current transducer

#21
20220146601
2022-05-12

Millimeter wave magnetic sensor

#22
20220068527
2022-03-03

CURRENT CONTROLLING ELEMENT BASED ON SATURATION OF A MAGNETIC CIRCUIT

#23
20220044869
2022-02-10

Current transformer of air circuit breaker

#24
20220022322
2022-01-20

Electricity meter

#25
20210255222
2021-08-19

Current sensor with flux gate

#26
20210255221
2021-08-19

Method for measuring a current, and current-measuring device

#27
20210148953
2021-05-20

Current sensor with reduced voltage coupling

#28
20210141002
2021-05-13

Printed circuit board incorporating a current divider bridge

#29
20210118610
2021-04-22

Integrated magnetic element

#30
20210116518
2021-04-22

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

#31
20210041484
2021-02-11

Current converter

#32
20200379017
2020-12-03

Toroidal fluxgate current transducer

#33
20200264245
2020-08-20

Battery management unit with a PCB integrated fluxgate current sensor

#34
20200243256
2020-07-30

Transformer arrangement, circuit arrangement and method for operating a transformer arrangement

#35
20200233018
2020-07-23

Flux absorber for power line device

#36
20200141981
2020-05-07

Current sensing coil electrostatic shielding

#37
20200116762
2020-04-16

Current sensing device

#38
20200096541
2020-03-26

Flux gate sensor circuit

#39
20190377009
2019-12-12

Fluxgate electrical current transducer

#40
20190331714
2019-10-31

Current sensing method and current sensor

#41
20190317135
2019-10-17

Current sensor with fluxgate

#42
20190113544
2019-04-18

MAGNETIC SENSOR AND CURRENT SENSOR INCLUDING THE SAME

#43
20190107564
2019-04-11

Current sensor

#44
20190025346
2019-01-24

Systems and methods for closed loop current sensing

#45
20190004095
2019-01-03

Current detector and meter

#46
20180224488
2018-08-09

Residual current detecting (RCD) and ground impedance monitoring transformer and control methods

#47
20180188293
2018-07-05

Magnetic field-based current measurement

#48
20180164346
2018-06-14

Rogowski current with active capacitance compensation

#49
20180149678
2018-05-31

Apparatus for measuring an electric current through a bus bar

#50
20180120357
2018-05-03

Current measurement device

#51
20180095112
2018-04-05

Current-measuring device and method for determining an electric current

#52
20180062523
2018-03-01

Current sensing in an electromagnetic component using an auxiliary winding stub

#53
20180059163
2018-03-01

Quick-action leakage detection protection circuit having regular self-checking function

#54
20180059148
2018-03-01

Current sensor

#55
20180038897
2018-02-08

Current sensor

#56
20170356949
2017-12-14

Sensitive DC current imbalance detector and calibration method

#57
20170336274
2017-11-23

Systems and methods for determining mechanical stress of machinery

#58
20170315155
2017-11-02

Current sensor with reduced voltage coupling

#59
20170315154
2017-11-02

Sensor for measuring current in a conductor

#60
20170307662
2017-10-26

Methods and devices for AC current sources, precision current transducers and detectors

#61
20170248636
2017-08-31

COMPENSATION CURRENT SENSOR ARRANGEMENT

#62
20170219633
2017-08-03

Self-shielded Di/Dt transformer for a meter

#63
20170219632
2017-08-03

Current transducer with fluxgate detector

#64
20170212152
2017-07-27

Circuit for sampling current and system for sampling current of Totem-Pole bridgeless circuit

#65
20170115328
2017-04-27

Current sensor and measuring apparatus

#66
20170074907
2017-03-16

Sensor and method for electric current measurement

#67
20170059627
2017-03-02

Fluxgate-based current sensor

#68
20160334443
2016-11-17

Methods and systems relating to improved AC signal performance of dual stage transformers

#69
20160327593
2016-11-10

Current transducer with integrated primary conductor bar

#70
20160313374
2016-10-27

Electric current detector

#71
20160282399
2016-09-29

Electricity meter with fault detection mechanism and fault detection method

#72
20160231362
2016-08-11

Clip-on current transducer or current transformer

#73
20160202294
2016-07-14

HYBRID CLOSED-LOOP/OPEN-LOOP MAGNETIC CURRENT SENSOR

#74
20160154027
2016-06-02

Electrical current transducer

#75
20160154026
2016-06-02

Electrical current transducer with electrostatic shield

#76
20160116524
2016-04-28

Method and apparatus for electric arc detection

#77
20160033555
2016-02-04

Flux-gate current sensor with additional frequency measuring

#78
20150309081
2015-10-29

Systems, apparatus, and methods for energy monitoring

#79
20150293153
2015-10-15

FLUXGATE CURRENT SENSOR

#80
20150276816
2015-10-01

Current detecting device

#81
20150268280
2015-09-24

Methods and devices for AC current sources, precision current transducers and detectors

#82
20150162887
2015-06-11

Output stage for adapting an AC voltage signal of an ultrasound generator

#83
20150108967
2015-04-23

Methods and systems relating to AC current measurements

#84
20150042325
2015-02-12

Hybrid closed-loop/open-loop magnetic current sensor

#85
20150028857
2015-01-29

Current sensor having at least one cancel coil

#86
20150022153
2015-01-22

Detection of a leakage current comprising a continuous component in a vehicle

#87
20150016006
2015-01-15

Method and apparatus for demagnetizing transformer cores in closed loop magnetic current sensors

#88
20140376279
2014-12-25

Power estimation device using coaxial winding transformer

#89
20140361765
2014-12-11

Integrated circuit using a digital method for AC/DC-sensitive residual current measurement

#90
20140354049
2014-12-04

Auxiliary winding for extended current measurement

#91
20140333292
2014-11-13

Self-shielded DI/DT transformer for a meter

#92
20140320112
2014-10-30

Current detecting device

#93
20140312892
2014-10-23

Compensation current sensor arrangement

#94
20140300350
2014-10-09

Electrical current transducer

#95
20140210463
2014-07-31

Current sensor and printed circuit board for this sensor

#96
20140159704
2014-06-12

Method and device for measuring electric currents by means of a current transformer

#97
20140132255
2014-05-15

Surface current probe

#98
20140028303
2014-01-30

Device for measuring the direct component of alternating current

#99
20140028287
2014-01-30

Current transformer

#100
20130328548
2013-12-12

Method and device for AC/DC sensitive current measurement

#101
20130241534
2013-09-19

Closed-loop current transducer with switched mode amplifier

#102
20130234722
2013-09-12

High sensitivity differential current transformer for insulation health monitoring

#103
20130229171
2013-09-05

Compact, two stage, zero flux electronically compensated current or voltage transducer employing dual magnetic cores having substantially dissimilar magnetic characteristics

#104
20130187633
2013-07-25

Current sensor

#105
20130154629
2013-06-20

Toroidal fluxgate current transducer

#106
20130099779
2013-04-25

High current range magnetoresistive-based current sensor

#107
20130057272
2013-03-07

CURRENT SENSOR ARRANGEMENT

#108
20130057267
2013-03-07

Current sensor

#109
20130027033
2013-01-31

CURRENT SENSOR ARRANGEMENT

#110
20130027024
2013-01-31

Current sensor arrangement

#111
20120314332
2012-12-13

Current sensor

#112
20120268108
2012-10-25

Current sensor operating in accordance with the principle of compensation

#113
20120194171
2012-08-02

ACTIVE CORE CURRENT SENSOR

#114
20120191389
2012-07-26

Method and device for determining a charge state of a battery with the aid of a fluxgate sensor

#115
20120139527
2012-06-07

Mixed mode fluxgate current transducer

#116
20120091996
2012-04-19

Current sensor arrangement for measuring currents in a primary conductor

#117
20120081110
2012-04-05

Current sensor

#118
20120062209
2012-03-15

Closed-loop fluxgate current sensor

#119
20120038360
2012-02-16

Magnetic core with superparamagnetic particles for current and magnetic field sensors

#120
20110267035
2011-11-03

CURRENT DETECTOR AND METHOD OF MANUFACTURING SAME

#121
20110172938
2011-07-14

Electrical power system sensor devices, electrical power system monitoring methods, and electrical power system monitoring systems

#122
20110163738
2011-07-07

Current detection circuit and transformer current measuring system

#123
20110156698
2011-06-30

Phase canceling current transducer

#124
20110156697
2011-06-30

Compact, two stage, zero flux electronically compensated current or voltage transducer employing dual magnetic cores having substantially dissimilar magnetic characteristics

#125
20110131793
2011-06-09

Method for mounting current sensors

#126
20110101963
2011-05-05

Current sensor

#127
20110092181
2011-04-21

Electromagnetic field detection systems and methods

#128
20110089929
2011-04-21

Electromagnetic field detection systems and methods

#129
20110006802
2011-01-13

High sensitivity differential current transformer for insulation health monitoring

#130
20110006779
2011-01-13

FLUX-GATE LEAKAGE CURRENT SENSOR

#131
20110006755
2011-01-13

High sensitivity differential current transformer for insulation health monitoring

#132
20110006753
2011-01-13

ELECTRIC CURRENT SENSOR

#133
20100301852
2010-12-02

Electrical current sensor

#134
20100289489
2010-11-18

MAGNETIC BRIDGE FOR SENSOR IN WHICH MAGNETIC FLUID IS USED, CURRENT SENSOR IN WHICH MAGNETIC BRIDGE IS USED, AND MAGNETIC FIELD SENSOR

#135
20100271017
2010-10-28

Thin film fluxgate sensor

#136
20100201372
2010-08-12

Systems and methods for detecting electrical line faults

#137
20100148901
2010-06-17

Current sensor assembly

#138
20100118449
2010-05-13

NULLING CURRENT TRANSFORMER

#139
20090315536
2009-12-24

Current sensor arrangement for measurement of currents in a primary conductor

#140
20090295384
2009-12-03

Magnetic field sensor and electrical current sensor therewith

#141
20090230955
2009-09-17

Orthogonal fluxgate magnetic field sensor

#142
20090219007
2009-09-03

Measurement apparatus, test apparatus, and measurement method

#143
20090108833
2009-04-30

Isolated current to voltage, voltage to voltage converter

#144
20080252289
2008-10-16

Current and magnetic field sensors, control method and magnetic core for said sensors

#145
20080157751
2008-07-03

Current sensing apparatus

#146
20080122430
2008-05-29

Detector circuit for measuring current

#147
20080094162
2008-04-24

Current sensor

#148
20080054898
2008-03-06

Device and method for measuring a current flowing in an electrical conductor

#149
20080048655
2008-02-28

Device and method for measuring a current flowing in an electrical conductor

#150
20080048643
2008-02-28

Current sensor with alternating magnetic excitation

#151
20080042637
2008-02-21

Magnetic toroid self resonant current sensor

#152
20070257663
2007-11-08

Current sensing circuit for use in a current measurement probe

#153
20070252577
2007-11-01

Current Sensor

#154
20070164727
2007-07-19

Device for measuring current

#155
20070145968
2007-06-28

Detector circuit to be used for measuring current

#156
20070136010
2007-06-14

Power line sensor

#157
20070108987
2007-05-17

Current measuring apparatus, test apparatus, and coaxial cable and assembled cable for the apparatuses

#158
20060290341
2006-12-28

Method and device for measuring a current flowing in an electrical conductor

#159
20060244437
2006-11-02

Device for measuring the intensity of a strong current passing through a wire

#160
20060226826
2006-10-12

Magnetic field sensor and electrical current sensor therewith

#161
20060202704
2006-09-14

Current measuring apparatus, test apparatus, and coaxial cable and assembled cable for the apparatuses

#162
20060192550
2006-08-31

Current sensor with magnetic toroid single frequency detection scheme

#163
20060192549
2006-08-31

Current sensor with magnetic toroid dual frequency detection scheme

#164
20060192548
2006-08-31

Current sensor with magnetic toroid

#165
20060158176
2006-07-20

Measuring method and measuring arrangement for measuring currents with a large dynamic range

#166
20060152182
2006-07-13

Detector circuit to be used for measuring current

#167
20060119342
2006-06-08

Device for measuring electric current intensity

#168
20060097713
2006-05-11

DC current sensor

#169
20060066292
2006-03-30

Magnetic bridge type current sensor, magnetic bridge type current detecting method, and magnetic bridge for use in that sensor and detecting method

#170
20060043960
2006-03-02

High precision current sensor

#171
20050280409
2005-12-22

Device for the reading of direct and/or alternating currents

#172
20050172480
2005-08-11

Fabricating method for a fluxgate sensor integrated in printed circuit board

#173
20050122092
2005-06-09

Process and device for compensating the low frequency magnetic field in an inductive signal coupling unit

#174
20050035761
2005-02-17

Fluxgate sensor integrated in a semiconductor substrate and method for manufacturing the same

#175
20050001706
2005-01-06

Low power consuming current measurements for high currents

#176
13804097
2015-05-12

Active compensation for ambient, external magnetic fields penetrating closed loop magnetic cores particularly for a fluxgate current sensor

#177
13740958
2015-11-17

Apparatus for measuring multiple electric currents utilizing multiple current transformers

#178
13599895
2014-09-30

Phase compensation method and apparatus for current transformers