ClassID:

171435

G01R15/246 - 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 light-modulating devices using magneto-optical modulators, e.g. based on the Faraday or Cotton-Mouton effect based on the Faraday, i.e. linear magneto-optic, effect

Recent Application in this class:
#1
20260039179
2026-02-05

CMOS INTEGRATION OF A HIGH BANDWIDTH OPTICALLY ISOLATED CURRENT SENSOR

#2
20250155476
2025-05-15

OPTICAL FIBRE INTERFEROMETER AND METHOD FOR MEASURING A MAGNETIC FIELD OR AN ELECTRICAL CURRENT BASED ON SAID INTERFEROMETER

#3
20250052792
2025-02-13

METHOD AND SYSTEM FOR OPTICAL CALCULATION IN RELAY PROTECTION BASED ON THE FARADAY MAGNETO-OPTICAL ROTATION EFFECT

#4
20250012832
2025-01-09

INTEGRATED OPTICAL SYSTEM-BASED OPTICAL CURRENT SENSOR SYSTEM

#5
20240295616
2024-09-05

MAGNETO-OPTIC MAGNETOMETER

#6
20240272244
2024-08-15

Magneto-optical sensor for magnetic field measurement

#7
20240248154
2024-07-25

MAGNETIC FIELD SENSOR HEAD AND MAGNETIC FIELD SENSOR DEVICE

#8
20240230724
2024-07-11

METHOD FOR MONITORING AT LEAST ONE SEMICONDUCTOR ELEMENT IN A SEMICONDUCTOR MODULE

#9
20240133924
2024-04-25

METHOD FOR MONITORING AT LEAST ONE SEMICONDUCTOR ELEMENT IN A SEMICONDUCTOR MODULE

#10
20230296650
2023-09-21

Magneto-optic current transformer, and method for measuring a current intensity

#11
20230288641
2023-09-14

OPTICAL WAVEGUIDE FOR A MAGNETO-OPTICAL CURRENT SENSOR

#12
20230160697
2023-05-25

Interferometer with a looped or straight optical fiber

#13
20230055691
2023-02-23

Current sensor

#14
20230054772
2023-02-23

Current sensor

#15
20220365113
2022-11-17

Optical fiber winding for measuring the current circulating through a conductor, and optical fiber-based current measuring equipment

#16
20220268818
2022-08-25

Interference type optical magnetic field sensor device

#17
20220099710
2022-03-31

Optical sensor system having a segmented magnetic flux concentrator and methods of use thereof

#18
20220034945
2022-02-03

Monolithic glass ring and method for optical current measurements

#19
20210396786
2021-12-23

Current sensor based on the Faraday effect in an atomic gas

#20
20210389350
2021-12-16

Optical fiber winding for measuring the current circulating through a conductor, and optical fiber-based current measuring equipment

#21
20210311154
2021-10-07

Current-measuring transducer device having a current-measuring transducer and method for calibrating a current-measuring transducer

#22
20210285987
2021-09-16

Reflective current and magnetic sensors based on optical sensing with integrated temperature sensing

#23
20210181429
2021-06-17

Crossarm insulator pin auxiliary mounted passive all fiber electro-optical current sensor

#24
20210088559
2021-03-25

METHOD AND APPARATUS FOR MEASURING THE CURRENT CIRCULATING THROUGH A CONDUCTOR

#25
20210088558
2021-03-25

Polarization optical detection with enhanced accuracy in the high-signal regime

#26
20200309869
2020-10-01

Magnetic sensor element and magnetic sensor device

#27
20200292852
2020-09-17

Faraday-based polarization scrambler

#28
20200292605
2020-09-17

System and method for real-time visualization of radiation pattern

#29
20200271863
2020-08-27

Employing depolarizer arrangements to mitigate interference in an optical link due to vibration and current effects

#30
20200025805
2020-01-23

Methods and apparatus for measuring a current

#31
20190195921
2019-06-27

Fiber-optic sensor and method

#32
20190154738
2019-05-23

Sensor device having an integrated beam splitter

#33
20180238934
2018-08-23

Fiber-optic current sensor with tolerance to connector misalignment

#34
20180217186
2018-08-02

Circuit board with implanted optical current sensor

#35
20180095113
2018-04-05

Current measuring equipment and methods

#36
20180094988
2018-04-05

Faraday current and temperature sensors

#37
20180080959
2018-03-22

Beam current measuring device and charged particle beam irradiation apparatus

#38
20180067147
2018-03-08

Interferometric voltage sensor with error compensation

#39
20180059144
2018-03-01

Electro-optic current sensor with high dynamic range and accuracy

#40
20170350922
2017-12-07

Optoelectric measuring device and method for measuring an electrical current

#41
20170315158
2017-11-02

Spun highly-birefringent fiber for current sensing with inherent insensitivity to temperature

#42
20170234913
2017-08-17

Polarization insensitive current and magnetic sensors with active temperature compensation

#43
20170234912
2017-08-17

Reflective current and magnetic sensors based on optical sensing with integrated temperature sensing

#44
20170191171
2017-07-06

Fiber optics to monitor pipeline cathodic protection systems

#45
20170160315
2017-06-08

Optical sensor with spun birefringent sensing fiber

#46
20170108540
2017-04-20

Electro-optic current sensor with high dynamic range and accuracy

#47
20170102415
2017-04-13

Method of measuring current distribution in high and medium voltage cables

#48
20160377660
2016-12-29

Fiber-optic sensor and method

#49
20160291064
2016-10-06

Current transducer with offset cancellation

#50
20160291063
2016-10-06

Power transformers using optical current sensors

#51
20160291062
2016-10-06

Optical current transducer with offset cancellation and current linearization

#52
20160169942
2016-06-16

Sensor unit

#53
20160069936
2016-03-10

Optical sensor assembly for installation on a current carrying cable

#54
20160041205
2016-02-11

Lightning current measuring device and lightning current measuring method

#55
20160033556
2016-02-04

Fiber-optic current sensor with spun fiber and temperature compensation

#56
20160011237
2016-01-14

Electric current measuring apparatus

#57
20150260763
2015-09-17

Few-moded fiber for sensing current

#58
20150141064
2015-05-21

Compensation of simple fiber optic Faraday effect sensors

#59
20150115934
2015-04-30

Temperature compensated fiber-optic current sensor

#60
20150097551
2015-04-09

Faraday current and temperature sensors

#61
20150091602
2015-04-02

Optimized wavelength photon emission microscope for VLSI devices

#62
20140361762
2014-12-11

Systems and methods for monitoring fiber optic current sensing systems

#63
20140347671
2014-11-27

Sagnac interferometer-type fiber-optic current sensor

#64
20140300341
2014-10-09

Electro-optic current sensor with high dynamic range and accuracy

#65
20130234698
2013-09-12

Integrated optical circuit and method for measuring current as well as sensor module and measuring device

#66
20130195395
2013-08-01

Sensing fiber, coil of sensing fiber, and all-fiber current sensor

#67
20130093409
2013-04-18

Optical current transformer for gas-insulated apparatus

#68
20130069628
2013-03-21

Optical fibre birefringence compensation mirror and current sensor

#69
20130063128
2013-03-14

Conductor to which current detection head is fixed, and current detection head used in manufacture of same

#70
20130033267
2013-02-07

Optical sensor assembly for installation on a current carrying cable

#71
20130025933
2013-01-31

Insulating spacer with built-in optical fiber

#72
20120286775
2012-11-15

System and method for fiber magneto-optic detection

#73
20120286767
2012-11-15

Fiber optic current sensor

#74
20120283969
2012-11-08

Fiber-optic current sensing using a sensor with exchangeable sub-modules

#75
20120274321
2012-11-01

System for fiber DC magneto-optic detection and method thereof

#76
20120262150
2012-10-18

Single-phase optical current transformer

#77
20120121216
2012-05-17

Integrated polymer optical waveguide current sensor

#78
20120091991
2012-04-19

Electric current measuring apparatus

#79
20120007584
2012-01-12

FIBER CURRENT SENSOR WITH REDUCED TEMPERATURE SENSITIVITY

#80
20110141478
2011-06-16

SAGNAC interferometer-type fiber-optic current sensor

#81
20110128655
2011-06-02

Generator circuit breaker with fiber-optic current sensor

#82
20110122654
2011-05-26

High voltage AC/DC or DC/AC converter station with fiber-optic current sensor

#83
20110095750
2011-04-28

Method for measuring current in an electric power distribution system

#84
20110095749
2011-04-28

Optical sensor assembly for installation on a current carrying cable

#85
20110084688
2011-04-14

3-phase Faraday optical current sensor assembly

#86
20110074393
2011-03-31

Temperature compensated fiber optic current or magnetic field sensor with insensitivity to variations in sensor parameters

#87
20110072858
2011-03-31

Method for manufacturing a fiber optic current sensor with inherent temperature compensation of the faraday effect

#88
20110052187
2011-03-03

Time division multiplexed detector for a magneto-optical current transducer

#89
20100309473
2010-12-09

FIBER OPTIC CURRENT SENSOR AND METHOD FOR SENSING CURRENT USING THE SAME

#90
20100295692
2010-11-25

Compensation of simple fiber optic faraday effect sensors

#91
20100271004
2010-10-28

Faraday effect current sensor

#92
20100253320
2010-10-07

OPTICAL FIBER ELECTRIC CURRENT SENSOR AND ELECTRIC CURRENT MEASUREMENT METHOD

#93
20100194379
2010-08-05

OPTICAL FIBER ELECTRIC CURRENT MEASUREMENT APPARATUS AND ELECTRIC CURRENT MEASUREMENT METHOD

#94
20100141955
2010-06-10

Sensor probe for fiber-based current sensor

#95
20100141236
2010-06-10

Integrated optical element and Faraday cup

#96
20090236853
2009-09-24

Micro-electromechanical current sensing apparatus

#97
20090231665
2009-09-17

Faraday rotator mirror and method for manufacturing the same

#98
20090214152
2009-08-27

Polarization-maintaining optical coupler and method of making the same

#99
20090102454
2009-04-23

Accuracy enhancing mechanism and method for current measuring apparatus

#100
20090097796
2009-04-16

Fiber-optic current sensor with sum detection

#101
20090039866
2009-02-12

Fiber-optic current sensor with polarimetric detection scheme

#102
20090002712
2009-01-01

Passively biased fiber-optic gyroscope and current sensor

#103
20080310791
2008-12-18

All-fiber current sensor

#104
20080303510
2008-12-11

Optical sensor arrangement for electrical switchgear

#105
20080164864
2008-07-10

Compensation of simple fibre optic Faraday effect sensors

#106
20080159684
2008-07-03

Fiber optic current sensor and method for sensing current using the same

#107
20070273358
2007-11-29

Method for reducing temperature-dependent error in photocurrent sensor, and photocurrent sensor device

#108
20070065156
2007-03-22

FIBER-OPTICS MULTIPLEXED INTERFEROMETRIC CURRENT SENSOR

#109
20060232260
2006-10-19

Compensation of simple fibre optic Faraday effect sensors

#110
20060170410
2006-08-03

Compensation of simple fiber optic faraday effect sensors

#111
20050088662
2005-04-28

Temperature-stabilized sensor coil and current sensor

#112
20050083033
2005-04-21

Current measuring device

#113
20050007092
2005-01-13

Compensation of simple fibre optic Faraday effect sensors

#114
16156522
2021-01-05

Remote detection of electrical activity in a target volume