ClassID:

171429

G01R15/22 - 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-emitting devices, e.g. LED, optocouplers

Recent Application in this class:
#1
20260153538
2026-06-04

SENSING DEVICE

#2
20260147022
2026-05-28

Measuring an Electrical Current Using Two Optical Current Transformers

#3
20260039179
2026-02-05

CMOS INTEGRATION OF A HIGH BANDWIDTH OPTICALLY ISOLATED CURRENT SENSOR

#4
20250389802
2025-12-25

Micro-Optics Module for Evaluating Optical Current Sensors and Method for its Manufacture

#5
20250283920
2025-09-11

OPTICAL VOLTAGE SENSING SYSTEMS AND ELECTRO-OPTIC CRYSTAL ASSEMBLIES

#6
20250020701
2025-01-16

OPERATIONAL STATUS DETERMINING APPARATUS, METHOD, AND RECORDING MEDIUM

#7
20240385225
2024-11-21

OPTICAL STEP-UP TRANSFORMER

#8
20240230718
2024-07-11

VOLTAGE PROBE DEVICE WITH ADJUSTABLE BIAS

#9
20240133921
2024-04-25

VOLTAGE PROBE DEVICE WITH ADJUSTABLE BIAS

#10
20240125822
2024-04-18

SENSOR WITH A LIGHT GUIDE CONNECTION

#11
20240125821
2024-04-18

WIDEBAND MEASUREMENT SYSTEM FOR MIXED-CONNECTED CAPACITIVE VOLTAGE TRANSFORMER BASED ON OPTICAL VOLTAGE SENSOR

#12
20230402632
2023-12-14

APPARATUS FOR MONITORING THE CELL VOLTAGE

#13
20230358807
2023-11-09

Safety switching apparatus, in particular for the monitored switching on of an electrical and/or electronic load

#14
20230296649
2023-09-21

Voltage indicators

#15
20230213577
2023-07-06

Integrated circuit and method for diagnosing an integrated circuit

#16
20230013103
2023-01-19

Electrically-isolated high-voltage sensor with low power dissipation

#17
20230003773
2023-01-05

Systems, circuits, and methods for determining status of fuse or relay

#18
20220308096
2022-09-29

State detection apparatus

#19
20220299442
2022-09-22

Optical method and device for monitoring a measurement object

#20
20220291260
2022-09-15

Optical voltage probe

#21
20220178973
2022-06-09

Method and apparatus for measuring the current circulating through a conductor

#22
20220091174
2022-03-24

Partial discharge transducer

#23
20220018899
2022-01-20

Integrated circuit and method for diagnosing an integrated circuit

#24
20210148955
2021-05-20

Probe head, probe coupler and probe arrangement

#25
20210132127
2021-05-06

Ground conductor monitoring

#26
20200363455
2020-11-19

Voltage indicators

#27
20200209301
2020-07-02

Partial discharge transducer

#28
20200209288
2020-07-02

Partial discharge detector

#29
20200025805
2020-01-23

Methods and apparatus for measuring a current

#30
20190190470
2019-06-20

Isolation amplifier

#31
20190180893
2019-06-13

Arrangement having a coaxial resistor

#32
20190170796
2019-06-06

Null detector devices and systems employing same

#33
20190113570
2019-04-18

System and method for optically isolated current or voltage sensing

#34
20190049523
2019-02-14

Battery system

#35
20180372781
2018-12-27

SYSTEMS AND METHODS FOR LOW-POWER CURRENT & VOLTAGE SENSING USING AN OPTICALLY COUPLED ISOLATOR

#36
20180348314
2018-12-06

Positioning of a magnetic resonance body coil

#37
20180172740
2018-06-21

Arrangement having two redundant modules

#38
20180149679
2018-05-31

Intensity modulated fiber optic voltage sensors for alternating current and direct current power systems

#39
20180143260
2018-05-24

Battery system

#40
20180109073
2018-04-19

Light-emitting device and distance measurement device

#41
20180100881
2018-04-12

Apparatus and method for measuring primary voltage from the secondary side of an isolated power supply

#42
20170269621
2017-09-21

Supply voltage detection device and method for detecting a supply voltage

#43
20170248660
2017-08-31

Apparatus for detecting defect of electric power system

#44
20170248653
2017-08-31

Active noise suppression for optical voltage sensor

#45
20160349295
2016-12-01

Devices, systems and methods for data transmission over a communication media using modular connectors

#46
20160146861
2016-05-26

Motherboard voltage testing device

#47
20160069962
2016-03-10

Battery system

#48
20160011236
2016-01-14

Smart meter voltage sensing using optically coupled isolators

#49
20160003874
2016-01-07

MEASURING SYSTEM HAVING SEVERAL SENSORS AND HAVING A CENTRAL EVALUATING UNIT

#50
20150362536
2015-12-17

HIGH-VOLTAGE DIRECT CURRENT BROAD FREQUENCY-DOMAIN CORONA CURRENT MEASUREMENT SYSTEM

#51
20150362533
2015-12-17

METHOD AND SYSTEM FOR MONITORING EQUIPMENT AT MEDIUM VOLTAGE

#52
20150301087
2015-10-22

Differential current measuring module

#53
20150293154
2015-10-15

Systems and methods for monitoring fiber optic current sensing systems

#54
20150177287
2015-06-25

CAPACITOR FAILURE

#55
20140368215
2014-12-18

Method and apparatus for monitoring high voltage bushings safely

#56
20140306733
2014-10-16

Voltage detecting apparatus and line voltage detecting apparatus

#57
20140285181
2014-09-25

Digital voltmeter topology

#58
20140062708
2014-03-06

In-water voltage gradient detector

#59
20130293218
2013-11-07

Optical sensor for non-contact voltage measurement

#60
20130066575
2013-03-14

Voltage measuring circuit and method

#61
20130027025
2013-01-31

Method and apparatus for measuring AC voltages

#62
20120235666
2012-09-20

Voltage detecting apparatus that detects voltage of an object

#63
20120163798
2012-06-28

Controlling circuit for analog measurement module and controlling module thereof

#64
20110291641
2011-12-01

Voltage detection and measurement circuit

#65
20110287662
2011-11-24

Data collecting connection

#66
20110279812
2011-11-17

Test apparatus, test method, and device interface for testing a device under test using optical signaling

#67
20110169479
2011-07-14

Method and apparatus for measuring AC voltages

#68
20100264725
2010-10-21

DC voltage threshold detector

#69
20100164529
2010-07-01

SEMICONDUCTOR DEVICE TEST SYSTEM

#70
20100151735
2010-06-17

Data collecting connection

#71
20090319210
2009-12-24

Voltage detecting apparatus and line voltage detecting apparatus having a detection electrode disposed facing a detected object

#72
20090289575
2009-11-26

Opto-isolator multi-voltage detection circuit

#73
20090256606
2009-10-15

Digital signal input device and method of controlling the same having a switching element that controls a period of applying direct-current voltage to a charging circuit

#74
20090243587
2009-10-01

Method and apparatus for measuring AC voltages

#75
20090224186
2009-09-10

DUAL OPTO-COUPLER OPTICAL ISOLATION CIRCUIT

#76
20090128122
2009-05-21

Apparatus for measuring the electrical energy delivered to a rail traction unit by a high voltage line

#77
20080246462
2008-10-09

Device for measuring electrical current, voltage and temperature on an electrical conductor made of rigid material

#78
20080024112
2008-01-31

Apparatus for measuring the electrical energy delivered to a rail traction unit by a high voltage line

#79
20070275588
2007-11-29

ISOLATED SIGNAL PROBE

#80
20070237527
2007-10-11

Optical debug mechanism

#81
20070210823
2007-09-13

Apparatus/method for measuring the switching time of output signals of a DUT

#82
20060291856
2006-12-28

Measuring system comprising an intelligent sensor head and having a reduced power consumption for medium-voltage or high-voltage systems or in mining, and method therefor

#83
14330765
2015-04-07

Smart meter voltage and current sensing using optically coupled isolators