ClassID:

171767

G01R31/2841 - CPC Classification

Classification description:

Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere; Testing of electronic circuits, e.g. by signal tracer; Specific tests of electronic circuits not provided for elsewhere; Fault-finding or characterising using signal generators, power supplies or circuit analysers Signal generators

Recent Application in this class:
#1
20260133247
2026-05-14

TEST STAND FOR CONFRONTING A TEST PIECE WITH A SIMULATED ELECTRICAL FAULT

#2
20260106589
2026-04-16

Zero Ohm Output Impedance

#3
20260079195
2026-03-19

SEMICONDUCTOR TESTING APPARATUS

#4
20260023107
2026-01-22

ARC FAULT CURRENT HEALTH CHECK CIRCUIT

#5
20260016530
2026-01-15

TESTING CIRCUIT, TESTING APPARATUS, AND TESTING METHOD

#6
20260016529
2026-01-15

Apparatus for Testing Electrical Characteristics of Multi-Pin Device

#7
20250378771
2025-12-11

HARMONIC NOISE INSPECTION DEVICE FOR DISPLAY DEVICES

#8
20250377405
2025-12-11

TEST CIRCUIT AND TEST METHOD FOR STACKED CHIP STRUCTURE

#9
20250377402
2025-12-11

ELECTRONIC CIRCUIT

#10
20250370030
2025-12-04

SYSTEMS AND METHODS FOR MEASURING WAVEFORMS AT DEVICES UNDER TEST

#11
20250362336
2025-11-27

METHOD AND SYSTEM FOR FAULT DETECTION AND PREDICTION IN ELECTRIC GRIDS

#12
20250327853
2025-10-23

ERRONEOUS WIRING INSPECTION DEVICE

#13
20250321261
2025-10-16

TEST AND MEASUREMENT INSTRUMENTS AND PROBES HAVING AN ISOLATED OUTPUT

#14
20250306127
2025-10-02

SENSING LEAKAGE CURRENT IN FAULT MANAGED POWER SYSTEMS

#15
20250306106
2025-10-02

CONTACTOR WELD DETECTION

#16
20250290972
2025-09-18

TEST AND MEASUREMENT INSTRUMENT, TEST AND MEASUREMENT SETUP AND METHOD OF MEASURING A DEVICE UNDER TEST

#17
20250251448
2025-08-07

DEFECT DETECTION MODULE

#18
20250180634
2025-06-05

ELECTRONIC DEVICE

#19
20250085335
2025-03-13

TESTING APPARATUS

#20
20250020717
2025-01-16

ERROR RATE MEASUREMENT APPARATUS AND ERROR RATE MEASUREMENT METHOD

#21
20240410933
2024-12-12

METHOD OF DETERMINING A FIGURE OF MERIT OF AT LEAST ONE COMPONENT UNDER TEST WITHIN A SIGNAL CHAIN AND MEASUREMENT INSTRUMENT

#22
20240361377
2024-10-31

Measurement instrument, measurement system, and testing method of testing a device under test

#23
20240361376
2024-10-31

REMOVING TEST EQUIPMENT NOISE FROM POWER SPECTRAL DENSITY MEASUREMENTS

#24
20240361370
2024-10-31

Two-Step Charge-Based Capacitor Measurement

#25
20240353466
2024-10-24

INSULATION MONITORING DEVICE AND METHOD FOR CONTROLLING INSULATION MONITORING DEVICE

#26
20240319261
2024-09-26

IDENTIFYING FAILURES IN DEVICE CORES

#27
20240302428
2024-09-12

TESTING DEVICE AND TESTING METHOD THEREOF

#28
20240255599
2024-08-01

RANGING SYSTEMS AND METHODS FOR DECREASING TRANSITIVE EFFECTS IN MULTI-RANGE MATERIALS MEASUREMENTS

#29
20240219505
2024-07-04

Hybrid digital and analog signal generation systems and methods

#30
20240219453
2024-07-04

TEST SYSTEM FOR DETECTING FAULTS IN MULTIPLE DEVICES OF THE SAME TYPE

#31
20240210985
2024-06-27

DIRECT DIGITAL SYNTHESIZER CIRCUIT, MEASUREMENT SYSTEM, AND METHOD OF OPERATING A DIRECT DIGITAL SYNTHESIZER CIRCUIT

#32
20240175914
2024-05-30

Electronic device

#33
20240044975
2024-02-08

Integrated communication link testing

#34
20240019517
2024-01-18

INTEGRATED MEASUREMENT SYSTEMS AND METHODS FOR SYNCHRONOUS, ACCURATE MATERIALS PROPERTY MEASUREMENT

#35
20230341464
2023-10-26

SIGNAL ABNORMALITY DETECTION SYSTEM AND METHOD THEREOF

#36
20230288485
2023-09-14

SENSOR FOR A VEHICLE ELECTRICAL SYSTEM

#37
20230176119
2023-06-08

AUTHENTICATING ELECTRONIC DEVICES VIA MULTI TONE ANALYSIS

#38
20230160948
2023-05-25

Device for testing a group of radio-frequency (RF) chip modules and method for using the same

#39
20230144389
2023-05-11

Artificial intelligence-based constrained random verification method for design under test and non-transitory machine-readable medium for storing program code that performs artificial intelligence-based constrained random verification method when executed

#40
20230136914
2023-05-04

Sensor device for detecting electrical defects based on resonance frequency

#41
20230092327
2023-03-23

Measurement system and method for a parallel measurement with multiple tones

#42
20230039369
2023-02-09

Ranging systems and methods for decreasing transitive effects in multi-range materials measurements

#43
20220373598
2022-11-24

SHORT PATTERN WAVEFORM DATABASE BASED MACHINE LEARNING FOR MEASUREMENT

#44
20220326298
2022-10-13

Signal test

#45
20220260629
2022-08-18

Signal generation apparatus and attenuation amount correction method of signal generation apparatus

#46
20220091171
2022-03-24

Method of manufacturing an integrated circuit involving performing an electrostatic discharge test and electrostatic discharge test system performing the same

#47
20220074986
2022-03-10

Test system for memory card

#48
20210377081
2021-12-02

Cloud-based signal generator system and method for providing a signal

#49
20210373059
2021-12-02

Two-step charge-based capacitor measurement

#50
20210356513
2021-11-18

Testing electrode quality

#51
20210356505
2021-11-18

Field collapse pulser

#52
20210336629
2021-10-28

Ranging systems and methods for decreasing transitive effects in multi-range materials measurements

#53
20210336628
2021-10-28

Hybrid digital and analog signal generation systems and methods

#54
20210333811
2021-10-28

Modulating jitter frequency as switching frequency approaches jitter frequency

#55
20210333348
2021-10-28

Integrated measurement systems and methods for synchronous, accurate materials property measurement

#56
20210325460
2021-10-21

Electrical testing apparatus for spintronics devices

#57
20210311105
2021-10-07

Test apparatus and testing method using the same

#58
20210270893
2021-09-02

Integrated communication link testing

#59
20210247438
2021-08-12

System and method for monitoring semiconductor manufacturing equipment via analysis unit

#60
20210239745
2021-08-05

Signal generating device and measurement device

#61
20210173000
2021-06-10

Manufacturing method of electronic device and electronic device

#62
20210156913
2021-05-27

Boundary test circuit, memory and boundary test method

#63
20210102994
2021-04-08

Device and method for testing receptacle wiring

#64
20200408838
2020-12-31

Signal injection technique for measurement and control of source reflection coefficient of a device under test

#65
20200341052
2020-10-29

Test system and test method for testing a device under test

#66
20200218298
2020-07-09

Modulating jitter frequency as switching frequency approaches jitter frequency

#67
20200217891
2020-07-09

Testing device and testing method for testing a device under test

#68
20200209307
2020-07-02

Real-time jitter impairment insertion for signal sources

#69
20200116790
2020-04-16

Electrical testing apparatus for spintronics devices

#70
20200056947
2020-02-20

System for position and/or line monitoring in an energy guide chain

#71
20190383873
2019-12-19

Integrated communication link testing

#72
20190293708
2019-09-26

Characterization of transmission media

#73
20190257881
2019-08-22

Electrical testing apparatus for spintronics devices

#74
20190162780
2019-05-30

Over-the-air test system and method for testing a device under test

#75
20190067136
2019-02-28

Stacked semiconductor apparatus being electrically connected through through-via and monitoring method

#76
20190049496
2019-02-14

Systematic methodology to remove reflections from I/O measurements

#77
20190041447
2019-02-07

NON-CLAMPING METHOD AND APPARATUS FOR IDENTIFICATION OF DEAD UNDERGROUND POWER UTILITY CABLE FROM SPATIALLY ADJACENT POWER UTILITY CABLES

#78
20190033364
2019-01-31

Monitoring waveforms from waveform generator at device under test

#79
20190025344
2019-01-24

Monitoring device under test waveform on signal generator

#80
20190011943
2019-01-10

Modulating jitter frequency as switching frequency approaches jitter frequency

#81
20180299504
2018-10-18

Dynamic response analysis prober device

#82
20180284498
2018-10-04

Display device and short circuit test method

#83
20180164349
2018-06-14

Peak current evaluation system and peak current evaluation method

#84
20180156861
2018-06-07

Multi-source signal generator and operating method thereof

#85
20180113170
2018-04-26

Method and system for relay diagnosis

#86
20180074531
2018-03-15

Modulating jitter frequency as switching frequency approaches jitter frequency

#87
20180032099
2018-02-01

Arbitrary waveform generator based on instruction architecture

#88
20170276724
2017-09-28

Spike safe floating current and voltage source

#89
20170269398
2017-09-21

Display device and short circuit test method

#90
20170184646
2017-06-29

Electronic arrangement and vector network analyzer characterized by reduced phase noise

#91
20170030960
2017-02-02

Systems and methods for implementing S/SSTDR measurements

#92
20170016953
2017-01-19

Electronic measurement device and method for operating an electronic measurement device

#93
20170016945
2017-01-19

Apparatus and method for generating signals for ESD stress testing an electronic device and system for performing an ESD stress test of an electronic device

#94
20160169957
2016-06-16

Systems and methods for implementing S/SSTDR measurements

#95
20160033563
2016-02-04

Electronic arrangement and vector network analyzer characterized by reduced phase noise

#96
20160018452
2016-01-21

Cancellation of secondary reverse reflections in a very-fast transmission line pulse system

#97
20160018450
2016-01-21

S-parameter measurements using real-time oscilloscopes

#98
20150377941
2015-12-31

High frequency phase reference standard signal

#99
20150309110
2015-10-29

Measuring device with functional units controllable via a block diagram

#100
20150241494
2015-08-27

Nonlinear distortion detection device and distortion compensation power amplifier

#101
20150185278
2015-07-02

Temperature insensitive testing device and method

#102
20150097573
2015-04-09

Load apparatus for testing

#103
20150054496
2015-02-26

Multi-functional measuring and waveform-generating equipment with probe

#104
20150042368
2015-02-12

Automatic test equipment for testing an oscillating crystal and method for operating the same

#105
20140368225
2014-12-18

Electric circuit evaluation method

#106
20140368213
2014-12-18

Electric circuit evaluation method and electric circuit

#107
20140281595
2014-09-18

Continuous power leveling of a system under test

#108
20140266243
2014-09-18

Power leveling of a system under test

#109
20140266238
2014-09-18

Systems and methods for implementing S/SSTDR measurements

#110
20140117970
2014-05-01

Voltage-current characteristic generator

#111
20140084950
2014-03-27

Cancellation of secondary reverse reflections in a very-fast transmission line pulse system

#112
20140062455
2014-03-06

Measurement apparatus and measurement method

#113
20130325383
2013-12-05

Monitoring and analysis of power system components

#114
20130320995
2013-12-05

Power amplification of a multi-tone test signal

#115
20130241570
2013-09-19

Monitoring device and monitoring method for rotary encoder

#116
20130234742
2013-09-12

INTEGRATED CIRCUIT AND PRINTED CIRCUIT BOARD HAVING RECEIVER TESTING FUNCTION

#117
20130234728
2013-09-12

Method for identifying self-generated spurious signals

#118
20130221974
2013-08-29

TIME DOMAIN REFLECTOMETRY SYSTEM AND METHOD

#119
20130120012
2013-05-16

Testing integrated circuits using few test probes

#120
20130088254
2013-04-11

Method for testing integrated circuits with hysteresis

#121
20130080106
2013-03-28

Enhanced AWG waveform calibration using S-parameters

#122
20130080105
2013-03-28

ENHANCED AWG WAVEF0RM CALIBRATION USING S-PARAMETERS

#123
20130063176
2013-03-14

TEST CIRCUITS AND CURRENT PULSE GENERATOR FOR SIMULATING AN ELECTROSTATIC DISCHARGE

#124
20130054178
2013-02-28

Method and device for broadband analysis of systems and substances

#125
20120306517
2012-12-06

Compensation methods for digital source-measure-units (SMUs)

#126
20120306460
2012-12-06

Resistance simulation and common mode rejection for digital source-measure units

#127
20120293014
2012-11-22

Power supply

#128
20120179410
2012-07-12

Voltage driver for a voltage-driven intelligent characterization bench for semiconductor

#129
20120153975
2012-06-21

DRIVER CIRCUIT

#130
20120126824
2012-05-24

Analog circuit test device

#131
20120112761
2012-05-10

Automatic test equipment for testing an oscillating crystal and method for operating the same

#132
20120105049
2012-05-03

Synthesizer having adjustable, stable and reproducible phase and frequency

#133
20120081139
2012-04-05

Semiconductor test device, semiconductor test circuit connection device, and semiconductor test method

#134
20120065922
2012-03-15

SIMULATING AN UMBILICAL

#135
20120019272
2012-01-26

Pin card

#136
20110306314
2011-12-15

Frequency-scalable shockline-based VNA

#137
20110304318
2011-12-15

FREQUENCY-SCALABLE SHOCKLINE-BASED SIGNAL-SOURCE EXTENSIONS

#138
20110291682
2011-12-01

Pin card

#139
20110193547
2011-08-11

Method and apparatus for identifying and reducing spurious frequency components

#140
20110183638
2011-07-28

Method for implementing continuous radio frequency (RF) alignment in advanced electronic warfare (EW) signal stimulation systems

#141
20110089954
2011-04-21

Station for detecting winding products and method for detecting inter-turn short circuit

#142
20100289332
2010-11-18

POWER SUPPLY AND SEMICONDUCTOR TEST DEVICE USING THE SAME

#143
20100244883
2010-09-30

Compensation for voltage drop in automatic test equipment

#144
20100201421
2010-08-12

Jitter generating circuit

#145
20100194460
2010-08-05

Waveform generator

#146
20100194376
2010-08-05

Method for implementing continuous radio frequency (RF) alignment in advanced electronic warfare (EW) signal stimulation systems

#147
20100164555
2010-07-01

Waveform generation device, waveform generation method, and computer readable medium

#148
20100136938
2010-06-03

Method for implementing continuous radio frequency (RF) alignment in advanced electronic warfare (EW) signal stimulation systems

#149
20100117677
2010-05-13

Method to synchronize two different pulse generators

#150
20100090710
2010-04-15

Impulse immunity test apparatus

#151
20090237295
2009-09-24

Method for implementing continuous radio frequency (RF) alignment in advanced electronic warfare (EW) signal stimulation systems

#152
20090224784
2009-09-10

Testing integrated circuits using few test probes

#153
20090219010
2009-09-03

Calibrating signals by time adjustment

#154
20090191834
2009-07-30

Enhanced programmable automatic level control

#155
20090190640
2009-07-30

Radio frequency integrated circuit with on-chip noise source for self-test

#156
20090189615
2009-07-30

Method and apparatus for testing AFCI device for series arc detection

#157
20090134880
2009-05-28

Test circuits and current pulse generator for simulating an electrostatic discharge

#158
20090121908
2009-05-14

Source-measure unit based on digital control loop

#159
20090063071
2009-03-05

System, method, and apparatus for distortion analysis

#160
20090033375
2009-02-05

Method and apparatus for identifying and reducing spurious frequency components

#161
20090031172
2009-01-29

Device, method, program, and recording medium for error factor measurement, and output correction device and reflection coefficient measurement device provided with the device for error factor measurement

#162
20090015221
2009-01-15

VOLTAGE GENERATING APPARATUS

#163
20080310490
2008-12-18

Signal generator and user interface for adding amplitude noise to selected portions of a test signal

#164
20080182523
2008-07-31

RADIO

#165
20080150603
2008-06-26

Signal generation circuit, jitter injection circuit, semiconductor chip and test apparatus

#166
20080137093
2008-06-12

Apparatus and method for generating THz wave by heterodyning optical and electrical waves

#167
20080024159
2008-01-31

Compensation for voltage drop in automatic test equipment

#168
20070241729
2007-10-18

POWER SUPPLY APPARATUS AND TEST APPARATUS

#169
20070236230
2007-10-11

Vector network analysis system and method using offset stimulus signals

#170
20070185671
2007-08-09

Excitation signal generator for improved accuracy of model-based testing

#171
20070178760
2007-08-02

Noise injection apparatus for printed circuit board

#172
20070176695
2007-08-02

Oscillator circuit and test apparatus

#173
20070115257
2007-05-24

Sequence status display during output for signal generator

#174
20060271317
2006-11-30

Arbitrary waveform generator with configurable digital signal processing unit

#175
20060232283
2006-10-19

Method for circuit inspection

#176
20060186896
2006-08-24

Test apparatus with low-reflection signal distribution

#177
20060173641
2006-08-03

Current mode waveform generator followed by a voltage mode buffer

#178
20060139017
2006-06-29

Interface circuit for electronic test system

#179
20060087328
2006-04-27

Amplitude varying driver circuit and test apparatus

#180
20050289392
2005-12-29

Power supply device, method, program, recording medium, network analyzer, and spectrum analyzer

#181
20050285613
2005-12-29

Mechanism to stabilize power delivered to a device under test

#182
20050270087
2005-12-08

Current comb generator

#183
20050200347
2005-09-15

Real-time time drift adjustment for a TDR step stimulus

#184
20050174234
2005-08-11

Radio frequency power generation and power measurement

#185
20050134370
2005-06-23

Method of self-calibration of pulse rise and fall times

#186
20050128655
2005-06-16

Pulsed current generator circuit with charge booster

#187
20050110749
2005-05-26

Signal generator with display

#188
20050097420
2005-05-05

Apparatus for jitter testing an IC

#189
20050080575
2005-04-14

Methods and apparatus for optimizing lists of waveforms

#190
20050073328
2005-04-07

OBIRCH dual power circuit

#191
20050044463
2005-02-24

Programmable jitter generator

#192
18775913
2025-03-11

Arc fault current health check circuit

#193
15705724
2023-12-12

Signal generator utilizing a neural network

#194
15476062
2018-04-03

Systems and methods for built-in self test of low dropout regulators