ClassID:

171270

G01R1/30 - CPC Classification

Classification description:

Details of instruments or arrangements of the types included in groups  -  and Structural combination of electric measuring instruments with basic electronic circuits, e.g. with amplifier

Recent Application in this class:
#1
20260128609
2026-05-07

POWER SUPPLY CIRCUIT AND RELATED APPARATUS

#2
20260121601
2026-04-30

AMPLIFIER AND OSCILLOSCOPE

#3
20260079197
2026-03-19

TEST APPARATUS AND TEST METHOD

#4
20260029459
2026-01-29

INSPECTION DEVICE AND INSPECTION METHOD

#5
20260006690
2026-01-01

HIGH-PRECISION LED CURRENT DETECTION CIRCUIT

#6
20250383373
2025-12-18

MEASUREMENT MODULE ADAPTERS, PROBE ASSEMBLIES THAT INCLUDE THE MEASUREMENT MODULE ADAPTERS, PROBE SYSTEMS THAT INCLUDE THE PROBE ASSEMBLIES, AND RELATED METHODS

#7
20250347718
2025-11-13

Ultra-fast Current Probe

#8
20250327869
2025-10-23

BATTERY MANAGEMENT SYSTEM AND MONITORING DEVICES

#9
20250189560
2025-06-12

ANODIZED FILM STRUCTURE AND INSPECTION DEVICE COMPRISING SAME

#10
20250123319
2025-04-17

PROBE HEAD FOR LED TEST SYSTEM

#11
20250067776
2025-02-27

PROBE DEVICES AND PROBE CONTROL APPARATUS

#12
20250052847
2025-02-13

MEASUREMENT SYSTEM

#13
20250015594
2025-01-09

MULTICHANNEL TEST SYSTEM WITH GALVANIC COUPLING OF INTERMEDIATE CIRCUITS, AND METHOD FOR GALVANICALLY COUPLING INTERMEDIATE CIRCUITS

#14
20240418757
2024-12-19

CIRCUIT FOR IMPEDANCE MEASUREMENTS

#15
20240385213
2024-11-21

CONFIGURATION METHOD OF CONFIGURING A MEASUREMENT INSTRUMENT

#16
20240230726
2024-07-11

Current Sensing Device

#17
20240159830
2024-05-16

TEST DEVICE

#18
20240133926
2024-04-25

Current Sensing Device

#19
20240125818
2024-04-18

INTEGRATED CIRCUIT PACKAGE INCLUDING AN NTEGRATED SHUNT RESISTOR

#20
20240069067
2024-02-29

Test device

#21
20240053385
2024-02-15

EEG IMPEDANCE TEST CIRCUIT, METHOD, AND DEVICE

#22
20240036120
2024-02-01

DETECTION AND GATING MODULE, BATTERY MANAGEMENT SYSTEM AND BATTERY MANAGEMENT CHIP

#23
20240036091
2024-02-01

Detection circuit and apparatus based on equipotential shielding

#24
20240027496
2024-01-25

AMPLIFIER CIRCUIT AND MEASUREMENT APPARATUS

#25
20230318550
2023-10-05

AMPLIFIER CIRCUIT AND SENSOR CIRCUIT

#26
20230280380
2023-09-07

Indicator light circuit configured for micro-current and micro-current shower head

#27
20230273235
2023-08-31

Two-wire interface reference accelerometer with integrated mechanical transducing and self-calibration capability

#28
20230243873
2023-08-03

Method for producing a pulse inverter, current measuring device for a pulse inverter, pulse inverter and motor vehicle

#29
20230168282
2023-06-01

AFE circuit and related gain amplifier

#30
20230132919
2023-05-04

Current transducer

#31
20220317204
2022-10-06

Detection circuit for a nerve stimulator

#32
20220120786
2022-04-21

Measurement input circuit and measurement device

#33
20220065901
2022-03-03

Self-calibrated input voltage-agnostic replica-biased current sensing apparatus

#34
20220037177
2022-02-03

Electrostatic capacitance sensor

#35
20210373587
2021-12-02

Detection and protection circuit, power supply circuit, power supply method of active device

#36
20210328583
2021-10-21

Monitor circuit for monitoring a lightning protection component

#37
20210325433
2021-10-21

Current detection system, current detection method, and detection apparatus

#38
20210270872
2021-09-02

Readout Circuit for Resistive and Capacitive Sensors

#39
20210231749
2021-07-29

Devices, systems and processes for capacitor testing

#40
20210190834
2021-06-24

Current measurement device

#41
20210048453
2021-02-18

Shunt resistor averaging techniques

#42
20210033644
2021-02-04

Low-glitch range change techniques

#43
20200382110
2020-12-03

Switching circuit

#44
20200317172
2020-10-08

Control circuit for operating inductive load devices, a braking system, and a vehicle including a braking system

#45
20200241065
2020-07-30

Devices, systems and processes for capacitor testing

#46
20200132726
2020-04-30

Test and measurement instrument having overpulsed power supply and controlled slew rate

#47
20200027379
2020-01-23

Short detection device, a short detection circuit and a display device using the same

#48
20190277936
2019-09-12

Multi-channel detecting system

#49
20190273390
2019-09-05

Power blackout sensing system with a phantom voltage detector including a coupled inductor device

#50
20190238127
2019-08-01

Control buffer circuit and radio frequency switch for dual mode operation

#51
20190222181
2019-07-18

Envelope tracking circuit

#52
20190222176
2019-07-18

Envelope tracking circuit

#53
20190187218
2019-06-20

Voltage detector circuit

#54
20190173371
2019-06-06

Energization evaluation test equipment of a PWM converter input filter

#55
20190120879
2019-04-25

Readout circuit for resistive and capacitive sensors

#56
20190101578
2019-04-04

Resolution adjustment for capacitive touch sensor

#57
20190094280
2019-03-28

Sensor arrangement with a capacitive sensor and method for generating an amplified sensor signal with a capacitive sensor

#58
20190041463
2019-02-07

Voltage sensing device

#59
20180372779
2018-12-27

Measurement input circuit and measurement device

#60
20180358897
2018-12-13

Power supply for providing an electrical pulse to an electrical consumer and a tester comprising the power supply

#61
20180348892
2018-12-06

Sensing system and method for improving control of a sensor detection value

#62
20180342993
2018-11-29

Sensing circuit, corresponding amplifier, apparatus and method

#63
20180294811
2018-10-11

Operational amplifier, driving interface, measurement and control device, driving circuit and driver

#64
20180294652
2018-10-11

Solid state power controller

#65
20180275185
2018-09-27

Probe heater remaining useful life determination

#66
20180267096
2018-09-20

Method and apparatus for simultaneously testing a component at multiple frequencies

#67
20180191318
2018-07-05

Voltage detector circuit

#68
20180149712
2018-05-31

Diagnosis circuit and method for a power module

#69
20180120355
2018-05-03

Multiple channel capacitive voltage divider scanning method and apparatus

#70
20180120347
2018-05-03

Probe connector for a probing pad structure around a thermal attach mounting hole

#71
20180109184
2018-04-19

Power supply apparatus and a test system including the same

#72
20180106836
2018-04-19

Method for validation of a fuse head in an electronic detonator

#73
20180088152
2018-03-29

Current sense amplifier architecture and level shifter

#74
20170356954
2017-12-14

Circuit arrangement

#75
20170285070
2017-10-05

Rejection of mechanical vibration induced noise in electrical measurements

#76
20170261337
2017-09-14

Sensor module

#77
20170248660
2017-08-31

Apparatus for detecting defect of electric power system

#78
20170248631
2017-08-31

Dynamic output clamping for a probe or accessory

#79
20170208655
2017-07-20

Display system and self-checking method of the display system

#80
20170205447
2017-07-20

CURRENT SENSOR

#81
20170131327
2017-05-11

Pulsed current source with internal impedance matching

#82
20170131326
2017-05-11

PULSED CURRENT SOURCE WITH INTERNAL IMPEDANCE MATCHING

#83
20170115330
2017-04-27

Method and apparatus for measuring a disturbed variable

#84
20170074928
2017-03-16

Apparatus and method for detecting faults in multilayer semiconductors

#85
20170067938
2017-03-09

Voltage detecting probe and measuring device

#86
20170042447
2017-02-16

Device for measuring impedance of biologic tissues including an alternating current (AC) coupled voltage-to-current converter

#87
20170010316
2017-01-12

MOS transistor saturation region detector

#88
20160370425
2016-12-22

Particle Beam Heating to Identify Defects

#89
20160258982
2016-09-08

Circuit for compensating an offset voltage in an amplifier

#90
20160146877
2016-05-26

Load connection detection

#91
20160146870
2016-05-26

CONTACTOR HEALTH MONITOR CIRCUIT AND METHOD

#92
20160139178
2016-05-19

Dual output high voltage active probe with output clamping and associated methods

#93
20160084883
2016-03-24

Parametric pin measurement unit high voltage extension

#94
20160011242
2016-01-14

Capacitive current sensing using a current feedback amplifier

#95
20150377933
2015-12-31

Integrated circuit, current sense circuit for a pulse width modulation driver and method therefor

#96
20150346282
2015-12-03

Method and apparatus for detecting state of relay

#97
20150346239
2015-12-03

Broad-range current measurement using duty cycling

#98
20150331026
2015-11-19

Frequency detection circuits

#99
20150293156
2015-10-15

Voltage sensing circuit

#100
20150279258
2015-10-01

Drive integrated circuit package and display device including the same

#101
20150276812
2015-10-01

Current sensing system and method

#102
20150268277
2015-09-24

Current sensor

#103
20150260771
2015-09-17

Circuit and method for sensing a capacitance

#104
20150253361
2015-09-10

Voltage monitoring circuit

#105
20150247900
2015-09-03

Using load-side voltage and an auxiliary switch to confirm the close or open status of a meter disconnect switch

#106
20150233996
2015-08-20

Circuit of measuring leakage current in a semiconductor integrated circuit

#107
20150233972
2015-08-20

Capacitance detection device

#108
20150233971
2015-08-20

Stimulus responsive nanoparticles

#109
20150212149
2015-07-30

Degradation detector and method of detecting the aging of an integrated circuit

#110
20150212133
2015-07-30

Noise sensor

#111
20150212131
2015-07-30

Apparatuses and methods for measuring flicker noise

#112
20150212112
2015-07-30

Active probe card

#113
20150198647
2015-07-16

On-chip test for integrated AC coupling capacitors

#114
20150185291
2015-07-02

SWITCHED CAPACITOR BATTERY UNIT MONITORING SYSTEM

#115
20150185273
2015-07-02

Signal monitoring of through-wafer vias using a multi-layer inductor

#116
20150168506
2015-06-18

Hall effect sensor

#117
20150168458
2015-06-18

Techniques for co-siting a metal detector with another detector

#118
20150168457
2015-06-18

Measurement system

#119
20150160268
2015-06-11

Bi-directional direct current sensing circuit and current sensing assembly including the same

#120
20150153391
2015-06-04

Medium or high voltage arrangement with cable connection terminal

#121
20150149102
2015-05-28

Online monitoring circuit and method of the series compensation spark gap divider return circuit

#122
20150137834
2015-05-21

Sensor arrangement with a capacitive sensor and method for generating an amplified sensor signal with a capacitive sensor

#123
20150137794
2015-05-21

Nanoscale sensors for intracellular and other applications

#124
20150137728
2015-05-21

Peak detection circuit and method

#125
20150130482
2015-05-14

Capacitive sensing system and method

#126
20150123630
2015-05-07

Voltage converter with VCC-Less RDSon current sensing circuit

#127
20150112621
2015-04-23

Voltage detection device for transforming apparatus

#128
20150109007
2015-04-23

DIFFERENTIAL AMPLIFIER AND ELECTRODE FOR MEASURING A BIOPOTENTIAL

#129
20150097583
2015-04-09

Multiple channel capacitive voltage divider scanning method and apparatus

#130
20150069997
2015-03-12

Manufacturing method for current sensor and current sensor

#131
20150061643
2015-03-05

Current measuring circuit for providing a current flow signal indicative of current flow between terminals

#132
20150051505
2015-02-19

Device for measuring impedance of biologic tissues including an alternating current (AC) coupled voltage-to-current converter

#133
20150042313
2015-02-12

Circuit, device, and method to measure biosignal using common mode driven shield

#134
20150022181
2015-01-22

Analytical gateway device for measurement devices

#135
20150008901
2015-01-08

Pre-charging filters to reduce settling time

#136
20150002177
2015-01-01

IMPEDANCE DETERMINATION

#137
20150002136
2015-01-01

Measurement probe providing different levels of amplification for signals of different magnitude

#138
20140375338
2014-12-25

Integrated electric field sensor

#139
20140361795
2014-12-11

Sensor device and method for capacitive approximation detection

#140
20140354287
2014-12-04

APPARATUS FOR TESTING AN ELECTROMECHANICAL RELAY

#141
20140306677
2014-10-16

Current detection circuit and switching regulator thereof

#142
20140300345
2014-10-09

INTELLIGENT MAGNETIC LATCHING MINIATURE CIRCUIT BREAKER

#143
20140253097
2014-09-11

System, method, and apparatus for a safe powerline communications instrumentation front-end

#144
20140176120
2014-06-26

Current monitoring circuits and methods and transistor arrangement

#145
20140167737
2014-06-19

AC DETECTION CIRCUIT AND OPERATING METHOD THEREOF

#146
20140139205
2014-05-22

Differential probe with common-mode offset

#147
20140055151
2014-02-27

Self-powered current sensor with a linear adjustment

#148
20140043715
2014-02-13

Apparatus and methods for amplifier fault protection

#149
20140028326
2014-01-30

DA-CONVERTER AND TEST APPARATUS

#150
20140002105
2014-01-02

Switch apparatus and test apparatus

#151
20130308152
2013-11-21

Power supply device and image forming apparatus having the same

#152
20130300435
2013-11-14

Integrated Electric Field Sensor

#153
20130271116
2013-10-17

Combined measuring and detection system

#154
20130234751
2013-09-12

Dual power-source communication testing apparatus and communication testing method thereof

#155
20130229169
2013-09-05

Voltage detection device

#156
20130207642
2013-08-15

Load connection state detection circuit

#157
20130134963
2013-05-30

Motor control circuitry

#158
20130127477
2013-05-23

Stimulus responsive nanoparticles

#159
20130110432
2013-05-02

Pre-charging filters to reduce settling time

#160
20130102920
2013-04-25

Signal distribution for patient-electrode measurements

#161
20130076369
2013-03-28

Detection circuit and method for operating a detection circuit

#162
20130076359
2013-03-28

Output stage module for a power amplifier device

#163
20130038341
2013-02-14

Contactor health monitor circuit and method

#164
20130009655
2013-01-10

Current sensor

#165
20120146726
2012-06-14

Circuit and method for sensing a capacitance

#166
20120025854
2012-02-02

Current monitor for sensing the current in a current path and corresponding control device

#167
20110109320
2011-05-12

System, method, and apparatus for a safe powerline communications instrumentation front-end

#168
20110025348
2011-02-03

Impedance determination

#169
20100176795
2010-07-15

Oscilloscope probe

#170
20100085034
2010-04-08

Current measurement circuit, current detection circuit and saturation prevention and recovery circuit for operational amplifier

#171
20100079132
2010-04-01

Amplifier topology and method for connecting to printed circuit board traces used as shunt resistors

#172
20090289665
2009-11-26

Comparator

#173
20090261815
2009-10-22

Stimulus responsive nanoparticles

#174
20090027041
2009-01-29

Buffer circuit, amplifier circuit, and test apparatus

#175
20080197834
2008-08-21

Signal detecting circuit

#176
20070096769
2007-05-03

Auxiliary power supply for supplying power to additional functions within a meter

#177
20050088168
2005-04-28

Control module for use with a test probe

#178
17354274
2023-11-28

Capacitance monitoring circuit for power backup systems

#179
16563338
2021-06-22

Active harmonic load pull impedance tuner

#180
15958927
2021-01-19

Apparatus and method for de-embedding a combiner from a balanced signal

#181
15402324
2019-07-23

Current sensing probe incorporating a current-to-voltage conversion circuit

#182
14799177
2016-02-02

Wideband attenuation and phase controller

#183
14612612
2016-08-30

Phasing voltmeter using capacitive reactance

#184
14445415
2015-12-29

Vertical probe card and method for manufacturing the same

#185
13242703
2017-04-04

Methods and apparatus to detect a conductive object