ClassID:

171616

G01R27/2688 - CPC Classification

Classification description:

Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom; Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant; Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables Measuring quality factor or dielectric loss, e.g. loss angle, or power factor

Sub-classes:
Recent Application in this class:
#1
20260066710
2026-03-05

Q-FACTOR CONTINUOUS EXCITATION METHOD AND APPARATUS

#2
20260063695
2026-03-05

METHOD AND APPARATUS FOR Q-FACTOR DETECTION WITH REDUCED CORE INTERACTION

#3
20260039148
2026-02-05

WIRELESS CHARGING SYSTEM AND METHOD FOR MEASURING Q-VALUE

#4
20250330051
2025-10-23

FRIENDLY METAL LOSS ESTIMATION FOR WIRELESS POWER TRANSFER

#5
20250321253
2025-10-16

ELECTRIC POWER DATA COLLECTION DEVICE AND PROCESS OF IMPLEMENTING THE SAME

#6
20250231229
2025-07-17

Power Quality Measurement for a Grid-Connected Generator System

#7
20250180615
2025-06-05

CIRCUIT AND METHOD FOR MEASURING AND TUNING QUALITY FACTOR OF RESONATOR-BASED LOOP FILTER IN DELTA-SIGMA ANALOG-TO-DIGITAL CONVERTER

#8
20250105678
2025-03-27

METHOD AND DEVICE FOR SLOT GENERATION IN WIRELESS POWER TRANSMISSION SYSTEM

#9
20240288480
2024-08-29

CAPACITOR TEST

#10
20230288464
2023-09-14

SYSTEMS AND METHODS FOR PLP CAPACITOR HEALTH CHECK

#11
20230176103
2023-06-08

Deriving a capacitance-ratio information, device and method

#12
20230152360
2023-05-18

Device and method for measuring microwave surface resistance of dielectric conductor deposition interface

#13
20220317778
2022-10-06

Pseudo-differential phase measurement and quality factor compensation

#14
20210231720
2021-07-29

Systems and methods for PLP capacitor health check

#15
20210175728
2021-06-10

Method for determining a quality factor and wireless charger

#16
20210127462
2021-04-29

Method of measuring a graphite article, apparatus for a measurement, and ingot growing system

#17
20200393504
2020-12-17

TECHNIQUES FOR TESTING PLP CAPACITORS

#18
20200274396
2020-08-27

Q-factor determination of coil select

#19
20200212713
2020-07-02

Q-factor determination in wireless charging system having complex resonant circuit

#20
20200185974
2020-06-11

Q-factor determination for foreign object detection circuit in wireless charging system

#21
20200049749
2020-02-13

RF cable and cable-bound path loss determination method

#22
20190339314
2019-11-07

Coupling circuit with switching function for coupling an insulation monitoring device to an unearthed power supply system

#23
20190296835
2019-09-26

Apparatus and methods for testing patch antennas

#24
20190140489
2019-05-09

Q-factor detection method

#25
20190097578
2019-03-28

Method for determining the quality factor of an oscillator

#26
20190081516
2019-03-14

Foreign object detection in wireless charging systems with multiple power receiving devices present on a power transmitting device

#27
20190079125
2019-03-14

Techniques for testing PLP capacitors

#28
20190074730
2019-03-07

Wireless charging system with machine-learning-based foreign object detection

#29
20180313879
2018-11-01

Determination of harmonic pollution on an electrical distribution network

#30
20180113164
2018-04-26

Method for monitoring transformer bushings and a system therefor

#31
20180069438
2018-03-08

System and method for determining a microwave beam and a power setting for wireless power transfer within a volume

#32
20170336452
2017-11-23

Measurement of complex dielectric constant and permeability

#33
20170271908
2017-09-21

Determination of Q-factor of resonant tank network

#34
20170242059
2017-08-24

Indicators for a power meter

#35
20170069356
2017-03-09

Power loss capacitor test using voltage ripple

#36
20160161541
2016-06-09

Apparatus and method for diagnosing state of power cable and measuring remaining life thereof using VLF TD measurement data

#37
20160091544
2016-03-31

Apparatus and method for high resolution complex permittivity sensing using high Q microwave sensors for lossy or non-lossy mediums and samples

#38
20150355259
2015-12-10

Filter capacitor degradation identification using measured and expected voltage

#39
20150233995
2015-08-20

System and method for evaluating a capacitive interface

#40
20150116261
2015-04-30

TOUCH DETECTION APPARATUS HAVING FUNCTION FOR CONTROLLING PARASITIC CAPACITANCE, AND TOUCH DETECTION METHOD

#41
20150051874
2015-02-19

Quality factor estimation of a reverberant cavity

#42
20150028887
2015-01-29

Measuring power consumption of circuit component operating in ultra-low power mode

#43
20140372059
2014-12-18

Method and system for calculating model parameters for a coil to be modelled

#44
20130176023
2013-07-11

Noncontact power transmission system to detect presence of a metallic foreign matter

#45
20110012619
2011-01-20

Yield improvement for Josephson junction test device formation

#46
20090224774
2009-09-10

High voltage sensor circuit

#47
20080018346
2008-01-24

System for Detecting an Interface Between First and Second Strata of Materials

#48
20050156606
2005-07-21

Thickness measuring systems and methods using a cavity resonator