ClassID:

171471

G01R19/12 - CPC Classification

Classification description:

Arrangements for measuring currents or voltages or for indicating presence or sign thereof Measuring rate of change

Recent Application in this class:
#1
20260140151
2026-05-21

SYSTEM AND METHOD FOR ELECTRICAL SAFETY MONITORING IN AQUATIC ENVIRONMENTS

#2
20260086166
2026-03-26

Battery Diagnosis Apparatus and Operating Method Thereof

#3
20250341585
2025-11-06

BATTERY STATE HEALTH ESTIMATION USING CURRENT CHARACTERISTICS AT A CONSTANT VOLTAGE

#4
20250290992
2025-09-18

METHOD AND SYSTEM FOR DETECTING DEFECT OF BATTERY IN BATTERY FORMATION PROCESS

#5
20250290991
2025-09-18

Analyzer and Method for Determining Self-Discharge of Batteries

#6
20250283946
2025-09-11

REFERENCE ELECTRODE MANAGEMENT FOR A BATTERY CELL

#7
20250130286
2025-04-24

BATTERY SYSTEM STATE OF HEALTH MONITORING SYSTEM

#8
20250067814
2025-02-27

METHOD AND APPARATUS OF PERFORMING FAILURE DETECTION ON AC INPUT VOLTAGE, AND POWER SUPPLY SYSTEM

#9
20250065433
2025-02-27

ARC STABILITY DETERMINATION BASED ON NOZZLE VOLTAGE

#10
20250035680
2025-01-30

METHODS AND MECHANISMS TO IMPROVE MONITORING CAPABILITIES USING RATE OF CHANGE OF SENSOR VALUES

#11
20240418787
2024-12-19

METHOD FOR DETERMINING THE STATE OF CHARGE OF AN ELECTRICAL ENERGY STORAGE UNIT

#12
20240393376
2024-11-28

SYSTEMS AND METHODS FOR IMPROVING IDENTIFICATION OF ISSUES ASSOCIATED WITH DETECTING ANOMALOUS CONDITIONS

#13
20240288508
2024-08-29

VOLTAGE AND CURRENT-SENSING-LESS SHORT-CIRCUIT PROTECTION AND LOCALIZATION FOR POWER DEVICES

#14
20240248120
2024-07-25

CURRENT SENSOR

#15
20240223980
2024-07-04

TRANSDUCER EXCURSION CORRECTION

#16
20240154432
2024-05-09

SYSTEM AND METHOD FOR BALANCING USE OF SEVERAL DC/DC CONVERTERS IN A VEHICLE

#17
20240044935
2024-02-08

SELF-PROPELLED APPARATUS AND COLLISION DETECTION METHOD THEREOF

#18
20240012030
2024-01-11

CURRENT MEASUREMENT APPARATUS

#19
20230296648
2023-09-21

Current sensor

#20
20230264571
2023-08-24

Method for detecting an insulation fault in a vehicle on-board electrical system and vehicle overvoltage protection circuit

#21
20230101068
2023-03-30

Constant ripple algorithm in DCM for buck converter

#22
20220385175
2022-12-01

Resonant conversion system and control method

#23
20220373614
2022-11-24

SYSTEMS AND METHODS FOR DIRECT HEATER DIAGNOSTICS FOR A HOT MELT LIQUID DISPENSING SYSTEM

#24
20220365115
2022-11-17

Positive temperature coefficient resistor heater assembly health monitoring

#25
20220291290
2022-09-15

Measurement apparatus of power storage device and measurement method

#26
20220283241
2022-09-08

Battery management apparatus

#27
20220283203
2022-09-08

Current sensing circuit

#28
20220252479
2022-08-11

Tracer gas leak detection system and corresponding use

#29
20220231540
2022-07-21

Detection of device removal from a surface of a multi-coil wireless charging device

#30
20220196710
2022-06-23

Systems and methods for improving identification of issues associated with detecting anomalous conditions

#31
20220159128
2022-05-19

Configurable circuit telemetry system

#32
20220017828
2022-01-20

Demulsifier control algorithm for dual frequency desalting electrostatic coalescers

#33
20210325476
2021-10-21

Battery state estimating apparatus

#34
20210279373
2021-09-09

Tamper detection techniques

#35
20210203786
2021-07-01

Configurable circuit telemetry system

#36
20210184598
2021-06-17

Power transducer including a rate of voltage change detection circuit

#37
20210116480
2021-04-22

CIRCUIT AND METHOD FOR DETECTING INPUT VOLTAGE RISING SPEED

#38
20210059119
2021-03-04

Operational control for agricultural agitator

#39
20210033647
2021-02-04

Sensor which senses the instantaneous rate of change of a current, said speed sensor being galvanically isolated and integrated on a printed circuit board

#40
20210028657
2021-01-28

Detection of device removal from a surface of a multi-coil wireless charging device

#41
20210028656
2021-01-28

Detection of device removal from a surface of a multi-coil wireless charging device

#42
20210028651
2021-01-28

Detection of device removal from a surface of a multi-coil wireless charging device

#43
20200158764
2020-05-21

Voltage detection system and method

#44
20200153238
2020-05-14

INTEGRATED FAULT CURRENT RISE LIMITER AND FAULT DETECTION DEVICE FOR DC MICROGRIDS

#45
20200067303
2020-02-27

Overcurrent detection circuit and power converter

#46
20200059086
2020-02-20

Electrical supply system

#47
20200001887
2020-01-02

Functional safety power supply framework for real-time automotive systems

#48
20190386478
2019-12-19

Arc fault detection using single current sensor and wideband analog frontend

#49
20190383859
2019-12-19

Correcting for a gain error resulting from the position of a pole of zero in a transfer function of a system

#50
20190267797
2019-08-29

Voltage derivative and zero-sequence broken conductor detection

#51
20190207379
2019-07-04

Electronic device and control method thereof

#52
20190148979
2019-05-16

Inductive power transfer control

#53
20190101584
2019-04-04

Testing and calibration of a circuit arrangement

#54
20180284160
2018-10-04

Ultra-high bandwidth current shunt

#55
20180269800
2018-09-20

Control circuit for AC/DC converter

#56
20180254626
2018-09-06

Multi-node system fault management

#57
20180247499
2018-08-30

Sensor for an electric fence barrier system

#58
20180145499
2018-05-24

Bipolar DC power transmission scheme

#59
20170356935
2017-12-14

Current sensor and a method of manufacturing a current sensor

#60
20170299638
2017-10-19

Bidirectional voltage differentiator circuit

#61
20170104339
2017-04-13

Device for switching a semiconductor-based switch and sensor for detecting a current change velocity at a semiconductor-based switch

#62
20170082693
2017-03-23

Method for detecting anomalies in a battery cell, and short-circuit sensor system

#63
20170040802
2017-02-09

Device for switching a semiconductor-based switch and sensor for detecting a current change velocity at a semiconductor-based switch

#64
20160308349
2016-10-20

Voltage derivative and zero-sequence broken conductor detection

#65
20160282396
2016-09-29

Electrical supply system

#66
20160226415
2016-08-04

Motor drive device provided with function of changing current detection mode

#67
20160100468
2016-04-07

Bidirectional voltage differentiator circuit

#68
20160054389
2016-02-25

Battery state determination device

#69
20150333653
2015-11-19

Deviation compensation method of potential transformer

#70
20150247885
2015-09-03

System comprising a probe and a measuring device

#71
20150212128
2015-07-30

Rise time and fall time measurement

#72
20150198988
2015-07-16

CORE SPECIFIC PROCESS VOLTAGE SCALING FOR OPTIMIZING MULTI-CORE OPERATION

#73
20150177283
2015-06-25

Apparatuses and methods for detecting over voltage and/or under voltage

#74
20150142081
2015-05-21

Implant charging field control through radio link

#75
20140347034
2014-11-27

AC input voltage interruption detection method and circuit

#76
20140307357
2014-10-16

Systems and methods for detecting over/under excitation faults

#77
20140300366
2014-10-09

Electrical device system and battery pack

#78
20140115858
2014-05-01

Systems and methods to determine the condition of a battery

#79
20130314108
2013-11-28

AC voltage measurement circuit

#80
20130293989
2013-11-07

Apparatus and method for arc fault detection

#81
20130285629
2013-10-31

Dynamic current limit apparatus and method

#82
20130169188
2013-07-04

Bidirectional voltage differentiator circuit

#83
20130147497
2013-06-13

Determining the dead time in driving a half-bridge

#84
20130057316
2013-03-07

Method and apparatus for time-differential comparison of an analog signal

#85
20120161815
2012-06-28

Method and apparatus for time-differential comparison of an analog signal

#86
20120126771
2012-05-24

CIRCUITRY FOR DETECTING A TRANSIENT

#87
20110279163
2011-11-17

Signal level crossing detector circuit

#88
20110279108
2011-11-17

AC voltage measurement circuit

#89
20100321041
2010-12-23

Determining the dead time in driving a half-bridge

#90
20100007332
2010-01-14

Method and apparatus for evaluating rapid changes in current

#91
20090160489
2009-06-25

Method and apparatus for time-differential comparison of an analog signal

#92
16152652
2019-11-05

Method for self adaption of gate current controls by capacitance measurement of a power transistor

#93
15871668
2019-04-09

Power converter temperature estimation

#94
15729004
2019-01-08

Input current extraction from inductor current in a voltage converter