ClassID:

171467

G01R19/04 - CPC Classification

Classification description:

Arrangements for measuring currents or voltages or for indicating presence or sign thereof Measuring peak values or amplitude or envelope of ac or of pulses

Recent Application in this class:
#1
20260147063
2026-05-28

CAPACITOR DETECTION CIRCUIT

#2
20260120783
2026-04-30

SEMICONDUCTOR DEVICE

#3
20260112892
2026-04-23

MONITORING ARRANGEMENT

#4
20260081512
2026-03-19

Control Circuitry for Zero Cross Detection In Ultra-Low Power DC-DC Converters

#5
20250277825
2025-09-04

Wireless Circuitry with Low-Noise Peak Detection

#6
20250237702
2025-07-24

ALTERNATOR MONITORING SYSTEMS AND METHODS

#7
20250229814
2025-07-17

BROKEN RAIL DETECTOR

#8
20250211182
2025-06-26

AMPLIFIER PEAK DETECTION

#9
20250183795
2025-06-05

ADAPTIVE TRANSITION TIME MEASUREMENT IN AN ASYMMETRICAL HALF BRIDGE

#10
20250147077
2025-05-08

Peak detector circuit and an electronics system that includes the peak detector circuit

#11
20250076349
2025-03-06

PREDICTION METHOD FOR CROSSTALK SPIKE IN HALF-BRIDGE OF CURRENT SOURCE TYPE INVERTER WITH SILICON CARBIDE DEVICES

#12
20240374270
2024-11-14

CURRENT PEAK VALUE MEASUREMENT APPARATUS, HIGH VOLTAGE GENERATOR, AND THERAPEUTIC DEVICE FOR VASCULAR CALCIFICATION

#13
20240329102
2024-10-03

SYSTEM AND METHOD FOR MULTI-RATE CONCURRENT WAVEFORM CAPTURE AND STORAGE FOR POWER QUALITY METERING

#14
20240280637
2024-08-22

ESTIMATION SYSTEM

#15
20240278815
2024-08-22

BROKEN RAIL DETECTOR

#16
20240268480
2024-08-15

ELECTRONIC ATOMIZATION APPARATUS AND CONTROL METHOD

#17
20240248161
2024-07-25

Peak detector calibration

#18
20240142535
2024-05-02

Defect Type Classifying System and Defect Type Classifying Method

#19
20240136916
2024-04-25

Detection circuit for power supply circuit

#20
20240117544
2024-04-11

METHOD OF OPERATING A WASHING MACHINE FOR SPINNING LAUNDRY AND WASHING MACHINE

#21
20240110954
2024-04-04

ASYNCHRONOUS PEAK HOLD CIRCUIT ON AN INTEGRATED CIRCUIT TRACE TO MONITOR FOR VOLTAGE SPIKES CAUSED BY AN ELECTROMAGNETIC PULSE

#22
20240069074
2024-02-29

Peak voltage amplitude detectors tolerant to process variation and device mismatch and related methods

#23
20240036087
2024-02-01

Peak voltage detection circuit with reduced charge loss

#24
20240006986
2024-01-04

Voltage spike measurement circuit and method

#25
20240006985
2024-01-04

Startup control method and system

#26
20230378949
2023-11-23

Zero-cross detection device and load driving system

#27
20230353133
2023-11-02

Peak-detector circuit and method for evaluating a peak of a first input voltage

#28
20230344231
2023-10-26

Method for detecting power oscillation in an electric power grid

#29
20230327560
2023-10-12

VOLTAGE CONVERSION CIRCUIT, VOLTAGE CONVERTER, AND ELECTRONIC DEVICE

#30
20230318499
2023-10-05

METHOD FOR DETERMINING A MOTOR TYPE OF AN ELECTRIC MOTOR AND MOTOR CONTROL APPARATUS

#31
20230278511
2023-09-07

Vehicle

#32
20230268945
2023-08-24

Systems and methods for wideband RF interference detection and suppression

#33
20230258697
2023-08-17

Signal detector circuit and signal detection method

#34
20230176127
2023-06-08

Relay state management apparatus and operating method thereof

#35
20230077491
2023-03-16

CURRENT-SAMPLING METHOD, CHIP, AND SAMPLING APPARATUS FOR PHASE CURRENT OF MOTOR

#36
20220416737
2022-12-29

Amplifier peak detection

#37
20220334151
2022-10-20

Open-phase detection circuit and power conversion apparatus

#38
20220299546
2022-09-22

PEAK DETECTING CIRCUIIT FOR AN INPUT VOLTAGE AND ASSOCIATED METHOD

#39
20220276286
2022-09-01

Voltage hold circuit, voltage monitoring circuit, and semiconductor integrated circuit

#40
20220234632
2022-07-28

BROKEN RAIL DETECTOR

#41
20220137183
2022-05-05

RF/mm-wave peak detector with high-dynamic range calibration

#42
20220128606
2022-04-28

Method for detecting loss or undervoltage condition of phase of electric converter unit, conveyor control unit, and conveyor system

#43
20220115988
2022-04-14

Power management circuit operable with group delay

#44
20220115987
2022-04-14

Maximum voltage detection in a power management circuit

#45
20220109435
2022-04-07

Peak detector

#46
20220085593
2022-03-17

Arc fault circuit interrupter (AFCI) with arc signature detection

#47
20220077767
2022-03-10

Startup control method and system, and voltage spike measurement circuit and method

#48
20220074975
2022-03-10

Current peak sensor for pulsed laser diode array

#49
20220060106
2022-02-24

Method for calculating maximum output current of multiple thyristor converters connected in parallel

#50
20220045648
2022-02-10

Method and apparatus for modulating amplifier supply voltage for reducing power dissipation

#51
20220026477
2022-01-27

PULSE PROCESSING DEVICE AND METHOD OF ASSOCIATING PULSE-RELATED WAVELET COEFFICIENTS TO A CORRESPONDING REFERENCE PULSE SHAPE

#52
20210199698
2021-07-01

Peak detector

#53
20210172981
2021-06-10

Signal analysis circuit and method

#54
20210167729
2021-06-03

Electronic envelope detection circuit and corresponding demodulator

#55
20210126564
2021-04-29

Method for detecting magnetic field location in electric motor

#56
20210107541
2021-04-15

Broken rail detector

#57
20210080491
2021-03-18

Detection circuit for an active discharge circuit of an X-capacitor, related active discharge circuit, integrated circuit and method

#58
20210025924
2021-01-28

Peak detector calibration

#59
20200382008
2020-12-03

Method for changing audio limiter settings under low alternating-current (AC) line voltage condition

#60
20200326358
2020-10-15

Peak detector

#61
20200309904
2020-10-01

RF/mm-wave peak detector with high-dynamic range calibration

#62
20200301127
2020-09-24

Envelope detection circuit for detection of opening angle of a movable MEMS mirror

#63
20200228061
2020-07-16

Electronic envelope detection circuit and corresponding demodulator

#64
20200220393
2020-07-09

Methods for detecting and identifying a receiver in an inductive power transfer system

#65
20200204584
2020-06-25

Security system for electronic equipment

#66
20200191838
2020-06-18

Switching arrangement and method for monitoring AC signals

#67
20200177069
2020-06-04

Detection of shoot-through in power converters

#68
20200158763
2020-05-21

DEVICES AND METHODS FOR RADIO-FREQUENCY VOLTAGE DETECTION

#69
20200149846
2020-05-14

Methods and apparatus for detecting a voltage of a stimulus signal of a conducted electrical weapon

#70
20200076660
2020-03-05

Vectorized peak detection for signal processing

#71
20200052592
2020-02-13

Soft-start circuit and buck converter comprising the same

#72
20200044434
2020-02-06

Arc fault circuit interrupter (AFCI) with arc signature detection

#73
20190373697
2019-12-05

Lighting systems, and systems for determining periodic values of a phase angle of a waveform power input

#74
20190369146
2019-12-05

Detection circuit for an active discharge circuit of an X-capacitor, related active discharge circuit, integrated circuit and method

#75
20190363631
2019-11-28

Multiphase regulator with phase current testing using ramp current patterns

#76
20190346490
2019-11-14

Fingerprinting of fluid injection devices

#77
20190339338
2019-11-07

Device for registering an on state of a drive motor or a tool, and system

#78
20190316944
2019-10-17

Temperature compensation of a test tone used in meter verification

#79
20190310294
2019-10-10

System and method for providing the amplitude and phase delay of a sinusoidal signal

#80
20190302162
2019-10-03

Method and system for safe diagnosis of squib loop components using transient response characteristics for restraint control module

#81
20190265740
2019-08-29

Current output circuit

#82
20190257866
2019-08-22

Minimizing phase mismatch and offset sensitivity in a dual-path system

#83
20190252887
2019-08-15

Methods for steering a magnetic field for smart wireless power transmission

#84
20190238587
2019-08-01

System and method of authenticating the source of a communication signal transmitted along a network bus

#85
20190214908
2019-07-11

Switch control circuit and buck converter comprising the same

#86
20190199292
2019-06-27

Envelope detecting circuit

#87
20190138758
2019-05-09

Peak detector circuit

#88
20190137549
2019-05-09

SYSTEMS AND METHODS FOR MULTI-TIER CENTROID CALCULATION

#89
20190131904
2019-05-02

Current detection apparatus and control apparatus of rotary electric machine

#90
20190123089
2019-04-25

Pixel cell and its method for applying voltage generated in a photosensor to a gate capacitance and alternately resetting the applied voltage

#91
20190089249
2019-03-21

Switch control circuit and buck converter including the same

#92
20190080221
2019-03-14

Method for optimizing the antenna configuration of a booster

#93
20190072590
2019-03-07

Power detection circuit for tracking maximum power point of solar cell and method thereof

#94
20190064243
2019-02-28

SYSTEM AND METHOD FOR DETECTING PARTIAL DISCHARGE IN A SWITCHGEAR CABINET

#95
20190063424
2019-02-28

Method for detecting head crashing in a linear compressor

#96
20190058450
2019-02-21

Valley and peak detection for switching power converter

#97
20180367158
2018-12-20

Electronic circuit performing gain control and gain compression to improve characteristic of analog output and electronic device including the same

#98
20180348892
2018-12-06

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

#99
20180348284
2018-12-06

Motor drive apparatus to detect inverter with large leakage current

#100
20180348264
2018-12-06

Maximum voltage selection circuit

#101
20180279437
2018-09-27

Lighting systems, and systems for determining periodic values of a phase angle of a waveform power input

#102
20180275199
2018-09-27

Fault prediction system for electrical distribution systems and monitored loads

#103
20180252752
2018-09-06

Fingerprinting of fluid injection devices

#104
20180246148
2018-08-30

Data processing method and the measurement device

#105
20180241310
2018-08-23

Switching power supply circuit having a switching circuit and a coil current emulation circuit

#106
20180217658
2018-08-02

Systems and methods for controlling switching timing

#107
20180210038
2018-07-26

Systems and methods for determining a root cause of an issue in an electrical grid

#108
20180203157
2018-07-19

Calibration method under near-bit wireless short-transmission ground envrionment based on electric field theory

#109
20180189500
2018-07-05

Wearable device and data security method thereof

#110
20180188302
2018-07-05

DETERMINING AN ALTERNATING CURRENT (AC) CHARACTERISTIC FROM A WAVEFORM

#111
20180180648
2018-06-28

Voltage measurement and wireless communication system

#112
20180175632
2018-06-21

Methods for steering a magnetic field for smart wireless power transmission

#113
20180165923
2018-06-14

Active ECG lead quality indication at the point of care

#114
20180164579
2018-06-14

Envelope detection circuit for detection of opening angle of a movable MEMS mirror

#115
20180164349
2018-06-14

Peak current evaluation system and peak current evaluation method

#116
20180131356
2018-05-10

Fast settling peak detector

#117
20180131337
2018-05-10

Voltage detection circuit

#118
20180106840
2018-04-19

Wide-range precision RF peak detector

#119
20180091550
2018-03-29

Security system for electronic equipment

#120
20180083434
2018-03-22

Arc fault circuit interrupter (AFCI) with arc signature detection

#121
20180023885
2018-01-25

Refrigerator

#122
20180017601
2018-01-18

Low-energy actuator (LEA) diode detection

#123
20180011130
2018-01-11

Methods and apparatuses for characteristic management with side-channel signature analysis

#124
20180007808
2018-01-04

INFORMATION PROCESSING APPARATUS, METHOD FOR MANAGING, NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM HAVING STORED THEREIN MANAGEMENT PROGRAM, AND METHOD FOR SPECIFYING INSTALLING POSITION OF ELECTRONIC DEVICE

#125
20170350935
2017-12-07

Electrical branch circuit deterioration test system

#126
20170343590
2017-11-30

Hand-held voltmeter for electric fence

#127
20170343589
2017-11-30

Fast current-based envelope detector

#128
20170285086
2017-10-05

Active shaft grounding system with diagnostic waveform analysis

#129
20170276710
2017-09-28

Data receiving device including an envelope detector and related methods

#130
20170248637
2017-08-31

Envelope detector with bipolar triple-tail cells

#131
20170244503
2017-08-24

Measuring system for over-the-air power measurements

#132
20170244499
2017-08-24

Measuring system for over-the-air power measurements with active transmission

#133
20170229927
2017-08-10

Methods for detecting and identifying a receiver in an inductive power transfer system

#134
20170219639
2017-08-03

Detecting current measurement tampering by current transformer parallel impedance

#135
20170219636
2017-08-03

Order O(1) algorithm for first-principles calculation of transient current through open quantum systems

#136
20170207698
2017-07-20

Power converting device for controlling current based on oscillation component of voltage amplitude, and current control method based on oscillation component of voltage amplitude

#137
20170205448
2017-07-20

Peak frequency detection device, method, and program

#138
20170179830
2017-06-22

Multiphase regulator with current pattern matching

#139
20170179828
2017-06-22

Multiphase regulator with phase current testing

#140
20170176391
2017-06-22

Micro-magnetic detecting method and micro-magnetic detecting device

#141
20170126072
2017-05-04

Method for adjusting output power for induction type power supply system and related supplying-end module

#142
20170115377
2017-04-27

RF/mm-wave peak detector with high-dynamic range calibration

#143
20170082419
2017-03-23

Initial angle detection in stand still

#144
20170053963
2017-02-23

Pixel cell and its method for applying voltage generated in a photosensor to a gate capacitance and alternately resetting the applied voltage

#145
20170040894
2017-02-09

Low loss current sensor and power converter using the same

#146
20170033697
2017-02-02

Voltage peak detection circuit and detection method

#147
20170023622
2017-01-26

Radio-frequency voltage detection

#148
20170023621
2017-01-26

Methods and apparatus for peak-voltage measurement of AC signals

#149
20160380552
2016-12-29

Input voltage detection circuit and power supply including the same

#150
20160380542
2016-12-29

Switch control circuit and buck converter including the same

#151
20160380541
2016-12-29

Soft-start circuit for buck converter control

#152
20160380540
2016-12-29

Switch control circuit and buck converter comprising the same

#153
20160380533
2016-12-29

Switch control circuit and converter including the same

#154
20160373142
2016-12-22

Variation calibration for envelope tracking on chip

#155
20160370414
2016-12-22

Method and device for detecting a fault in an electrical network

#156
20160341770
2016-11-24

METHOD AND SYSTEM FOR DYNAMIC EXTRACTION OF PULSES IN A NOISY TIME SIGNAL

#157
20160308404
2016-10-20

Signal analysis method and circuit

#158
20160291066
2016-10-06

Methods of detecting change in object and apparatuses for performing the methods

#159
20160274173
2016-09-22

Presence and Operability Test of a Decoupling Capacitor

#160
20160252549
2016-09-01

Digitally implemented ripple detector

#161
20160252402
2016-09-01

Method for estimating a temperature of a transistor

#162
20160238637
2016-08-18

Mm-wave frequency peak detector

#163
20160223597
2016-08-04

Electric vehicle disaggregation and detection in whole-house consumption signals

#164
20160187393
2016-06-30

Load side voltage sensing for utility meter

#165
20160187392
2016-06-30

Data receiving device including an envelope detector and related methods

#166
20160169943
2016-06-16

Signal analysis circuit and signal analysis method thereof

#167
20160142028
2016-05-19

High speed signal level detector and burst-mode trans impedance amplifier using the same

#168
20160139182
2016-05-19

SINE WAVE ANALYSIS METHOD AND APPARATUS

#169
20160134126
2016-05-12

Methods for steering a magnetic field for smart wireless power transmission

#170
20160124029
2016-05-05

Detection circuit for an active discharge circuit of an X-capacitor, related active discharge circuit, integrated circuit and method

#171
20160118970
2016-04-28

Peak detector using charge pump and burst-mode transimpedance amplifier

#172
20160118897
2016-04-28

Adjustment of circuit operations in response to AC line distortion

#173
20160103158
2016-04-14

Peak voltage detector and related method of generating an envelope voltage

#174
20160091548
2016-03-31

Method and device for monitoring and estimating a periodic voltage of a medium voltage electrical circuit

#175
20160077165
2016-03-17

Time based AC line detection

#176
20160020704
2016-01-21

Inverter device

#177
20160011249
2016-01-14

Systems and methods for detecting and identifying arcing based on numerical analysis

#178
20160003871
2016-01-07

Contactless Device for Characterising An Electric Signal

#179
20150349546
2015-12-03

Supplying-end module of induction type power supply system and voltage measurement method thereof

#180
20150316588
2015-11-05

Method and apparatus for current-output peak detection

#181
20150276821
2015-10-01

Power determining apparatus and electronic appliance including the same

#182
20150171737
2015-06-18

Apparatuses and methods for over-current protection of DC-DC voltage converters

#183
20150137728
2015-05-21

Peak detection circuit and method

#184
20150136857
2015-05-21

Envelope detector circuit

#185
20150078043
2015-03-19

Controller for a voltage converter

#186
20150065894
2015-03-05

Method and apparatus for determining information indicative of cardiac malfunctions and abnormalities

#187
20150022182
2015-01-22

Monitoring device and method for monitoring a line section using a monitoring device

#188
20150008962
2015-01-08

Signal envelope processing

#189
20140375342
2014-12-25

Bi-directional input, bi-directional output, lossless current sensing scheme with temperature compensation

#190
20140354288
2014-12-04

Detecting circuit for circuit breaker

#191
20140266308
2014-09-18

Clock amplitude detection

#192
20140253098
2014-09-11

Voltage peak detection circuit and detection method

#193
20140232435
2014-08-21

Analog minimum or maximum voltage selector circuit

#194
20140218989
2014-08-07

Rectifier circuit with AC side short-circuiting function and synchronized switch harvesting on inductor converter

#195
20140211523
2014-07-31

Peak detector with improved false peak rejection

#196
20140211510
2014-07-31

Voltage sensing in a voltage converter

#197
20140176117
2014-06-26

High speed digital transient waveform detection system and method for use in an intelligent electronic device

#198
20140159702
2014-06-12

Pixel cell and its method for applying voltage generated in a photosensor to a gate capacitance and alternately resetting the applied voltage

#199
20140129166
2014-05-08

On-time based peak current density rule and design method

#200
20140085007
2014-03-27

Class-AB radio frequency amplifier for envelope detector

#201
20140084995
2014-03-27

Envelope detector with enhanced linear range

#202
20140071136
2014-03-13

Measuring device and method for marking common timing points

#203
20140055124
2014-02-27

PEAK DETECTOR AND AUTO GAIN CONTROLLER USING THE SAME

#204
20140035559
2014-02-06

TRANSIENT RECOVERY VOLTAGE MEASURING DEVICE, TRANSIENT RECOVERY VOLTAGE MEASURING METHOD, AND TRANSIENT RECOVERY VOLTAGE MEASURING PROGRAM

#205
20140002139
2014-01-02

Maximum voltage selection circuit and method and sub-selection circuit

#206
20130285673
2013-10-31

SYSTEM AND METHOD FOR LOW VOLTAGE DIFFERENTIAL SIGNALING TEST

#207
20130278318
2013-10-24

Signal processing apparatus and method

#208
20130187634
2013-07-25

MONITORING DEVICE AND METHOD FOR MONITORING A LINE SECTION USING A MONITORING DEVICE

#209
20130162297
2013-06-27

Peak voltage detector and related method of generating an envelope voltage

#210
20130162296
2013-06-27

PEAK VOLTAGE DETECTOR AND RELATED METHOD OF GENERATING AN ENVELOPE VOLTAGE

#211
20130158909
2013-06-20

Power quality monitoring apparatus and method thereof

#212
20130082682
2013-04-04

Peak detector

#213
20130069629
2013-03-21

Method of implementation of peak hold in a phasing voltmeter

#214
20130058491
2013-03-07

Audio level meter

#215
20120256618
2012-10-11

Surge current detection device

#216
20120218003
2012-08-30

Systems and methods for current sensing

#217
20120185192
2012-07-19

Scheme for low power measurement

#218
20120146808
2012-06-14

System and method for multi-rate concurrent waveform capture and storage for power quality metering

#219
20120071125
2012-03-22

RMS and envelope detector

#220
20120034895
2012-02-09

Circuit and Method for Peak Detection with Hysteresis

#221
20120001693
2012-01-05

Power amplifier amplitude modulator system and method

#222
20110241732
2011-10-06

Low voltage self calibrated CMOS peak detector

#223
20110121816
2011-05-26

Surge current detection device

#224
20110084762
2011-04-14

Envelope detector for high speed applications

#225
20110062314
2011-03-17

Device and method for determination of a charge amount on a capacitive element, and a device and method for setting a circuit node at a predetermined voltage

#226
20110050285
2011-03-03

High linear fast peak detector

#227
20110018549
2011-01-27

Test apparatus, additional circuit and test board for judgment based on peak current

#228
20100315248
2010-12-16

Component RFID tag with non-volatile display of component use including the use of energy harvesting

#229
20100308794
2010-12-09

Scheme for low power strain measurement

#230
20100289477
2010-11-18

Measuring device and measuring method for measuring the envelope power and the mean-power value

#231
20100195258
2010-08-05

Voltage disturbance and harmonics monitor

#232
20100188070
2010-07-29

METHOD AND DEVICE FOR MEASURING A LEVEL OF AN ELECTRIC MEASUREMENT VARIABLE THAT CAN BE CHANGED OVER TIME

#233
20100156635
2010-06-24

Signal level detection method

#234
20100073974
2010-03-25

Digital peak input voltage detector for a power converter controller

#235
20100073033
2010-03-25

Peak detector

#236
20100052734
2010-03-04

System for providing large RC time constants in integrated circuits

#237
20100039141
2010-02-18

Envelope detector for high speed applications

#238
20100033164
2010-02-11

TRANSIENT NOISE DETECTION CIRCUIT

#239
20100008007
2010-01-14

Single-supply single-ended high voltage peak detector

#240
20100007384
2010-01-14

Combination AC/DC peak detector and signal type discriminator

#241
20090287326
2009-11-19

Audio level meter

#242
20090267575
2009-10-29

Device and method for detecting zero crossing and voltage amplitude from single pulse signal

#243
20090243590
2009-10-01

SYSTEM AND METHOD FOR MONITORING CURRENT IN A CONDUCTOR

#244
20090224774
2009-09-10

High voltage sensor circuit

#245
20090174436
2009-07-09

Input signal level detection apparatus and method

#246
20090121790
2009-05-14

System and method for signal level detection

#247
20090015324
2009-01-15

Power amplifier amplitude modulator system and method

#248
20090012728
2009-01-08

System and method for multi-rate concurrent waveform capture and storage for power quality metering

#249
20080290905
2008-11-27

Peak or zero current comparator

#250
20080252337
2008-10-16

Receiver signal strength indicator

#251
20080228448
2008-09-18

Waveform measuring apparatus wherein the peak-to-peak amplitude is measured

#252
20080215264
2008-09-04

High speed digital transient waveform detection system and method for use in an intelligent electronic device

#253
20080211544
2008-09-04

Peak voltage detector circuit and binarizing circuit including the same circuit

#254
20080136458
2008-06-12

Method and system for wide range amplitude detection

#255
20080116870
2008-05-22

Valley detecting circuit and method for a voltage across a switching device

#256
20080100377
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