ClassID:

171591

G01R27/06 - 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 in circuits having distributed constants, e.g. having very long conductors or involving high frequencies Measuring reflection coefficients; Measuring standing-wave ratio

Recent Application in this class:
#1
20260079247
2026-03-19

Electronic Devices with Background-Cancelled Ultra Short Range Object Detection

#2
20260063694
2026-03-05

METHODS AND APPARATUS FOR COMPONENT/SYSTEM TESTING UNDER MODULATED SIGNALS USING FREQUENCY EXTENDERS

#3
20260012267
2026-01-08

SYSTEM AND METHOD FOR MONITORING VSWR IN RADIO SYSTEM

#4
20250216430
2025-07-03

PHASE DISCRIMINATOR FOR REFLECTED WAVES AND OPERATING METHOD THEREOF

#5
20250105864
2025-03-27

ADAPTIVE SPATIAL FILTERING AND OPTIMAL COMBINING OF ANALOG-TO-DIGITAL CONVERTERS (ADCS) TO MAXIMIZE DYNAMIC RANGE IN DIGITAL BEAMFORMING SYSTEMS

#6
20250015819
2025-01-09

CLOSED-LOOP MULTIPLE-OUTPUT RADIO FREQUENCY (RF) MATCHING

#7
20240401473
2024-12-05

DOWNHOLE FAULT DETECTION IN WELL SYSTEM USING SPREAD SPECTRUM TIME DOMAIN REFLECTOMETRY (SSTDR)

#8
20240210156
2024-06-27

Multi-Stage Process and Device for Production of Low Sulfur Heavy Marine Fuel Oil

#9
20240154370
2024-05-09

POSITION SENSOR

#10
20240151656
2024-05-09

Multi-level RF pulse monitoring and RF pulsing parameter optimization at a manufacturing system

#11
20240137051
2024-04-25

Local oscillator (LO) generation for carrier aggregation in phased array front ends

#12
20230393180
2023-12-07

Dual Directional Asymmetric Coupler with a Shared Through-Line

#13
20230184693
2023-06-15

Multi-level RF pulse monitoring and RF pulsing parameter optimization at a manufacturing system

#14
20230019522
2023-01-19

Dual directional asymmetric coupler with a shared through-line

#15
20220413094
2022-12-29

Electronic Devices with Background-Cancelled Ultra Short Range Object Detection

#16
20220390644
2022-12-08

Compact brillouin antenna for detecting metal in free space area

#17
20220381547
2022-12-01

Multi-stage device and process for production of a low sulfur heavy marine fuel oil

#18
20220357379
2022-11-10

Broadband vector network analyzer with cascaded reflectometers

#19
20220357237
2022-11-10

Real-equivalent-time oscilloscope with time domain reflectometer

#20
20220326287
2022-10-13

Time-domain reflectometry protocol for sensors

#21
20220317169
2022-10-06

NOISE-INDEPENDENT LOSS CHARACTERIZATION OF NETWORKS

#22
20220299450
2022-09-22

Inspection system and inspection method

#23
20220291338
2022-09-15

Electronic devices with background-cancelled ultra short range object detection

#24
20220291265
2022-09-15

Self-calibrating transmission line resonator oscillating driver apparatus

#25
20220214389
2022-07-07

Anisotropic constitutive parameters for launching a Zenneck surface wave

#26
20220190854
2022-06-16

Closed-loop multiple-output radio frequency (RF) matching

#27
20210389357
2021-12-16

Method and apparatus for digital VSWR measurement in advanced antenna systems (AAS)

#28
20210367629
2021-11-25

Injection-locked clock-multiplication for mixer local oscillator (LO) generation

#29
20210356409
2021-11-18

Sensor system to apply electromagnetic fields for electromagnetic impedance spectroscopy in-process monitoring of fluids

#30
20210313934
2021-10-07

Methods and apparatuses for reflection measurements

#31
20210311012
2021-10-07

Systems and methods for non-invasive microwave testing of bottles of wine

#32
20210231725
2021-07-29

Apparatus for monitoring a condition of an electrical power transmission medium

#33
20210172988
2021-06-10

Anisotropic constitutive parameters for launching a Zenneck surface wave

#34
20210156897
2021-05-27

Noise-independent loss characterization of networks

#35
20210148973
2021-05-20

System and method of production testing of impedance of radio frequency circuit incorporated on printed circuit board

#36
20210141011
2021-05-13

METHOD AND SYSTEM FOR CHARACTERISING A FAULT IN A NETWORK OF TRANSMISSION LINES, BY TIME REVERSAL

#37
20210080418
2021-03-18

Oil recovery sensor

#38
20210072296
2021-03-11

Time-domain reflectometry protocol for sensors

#39
20210067182
2021-03-04

Digital radio head control

#40
20200233022
2020-07-23

Method for determining probe angle, high-frequency test system, program and storage medium

#41
20200182602
2020-06-11

Proximity Detection

#42
20200169276
2020-05-28

Method and device for measuring antenna reflection coefficient

#43
20200144973
2020-05-07

Methods and apparatuses for reflection measurements

#44
20200110002
2020-04-09

Detecting structural integrity of a structural component

#45
20200103458
2020-04-02

Integrated vector network analyzer

#46
20200088773
2020-03-19

RF impedance measurement and tuning system

#47
20200003730
2020-01-02

Oil content sensor

#48
20190369053
2019-12-05

Oil recovery sensor

#49
20190369052
2019-12-05

Oil recovery sensor

#50
20190324072
2019-10-24

Trigonometry dependent plot creation

#51
20190305817
2019-10-03

Method for detecting an operational condition of a multi-conductor cable

#52
20190227003
2019-07-25

Microwave reflectometry for physical inspections

#53
20190195936
2019-06-27

Systems and methods for on-chip time-domain reflectometry

#54
20190162772
2019-05-30

Method and system for locating defects on an electric cable

#55
20190113569
2019-04-18

System and method for separating and measuring two signals simultaneously present on a signal line

#56
20190072598
2019-03-07

Vector network analyzer and measuring method for frequency-converting measurements

#57
20190067785
2019-02-28

Broadband radio frequency coupler

#58
20180367109
2018-12-20

Power amplifier, a radio frequency electronic device and a method for operating a power amplifier

#59
20180316444
2018-11-01

CHANNEL-SELECTIVE RF POWER SENSOR

#60
20180301783
2018-10-18

Electrically controllable radio-frequency circuit element having an electrochromic material

#61
20180246153
2018-08-30

Mixed mode vector network analyser

#62
20180164181
2018-06-14

Detecting structural integrity of a structural component

#63
20180100887
2018-04-12

Contactless measurement of the conductivity of semiconductors using a multicarrier frequency test signal

#64
20180074103
2018-03-15

Multi-view planar near-field scattering tomography system

#65
20180031361
2018-02-01

Proximity detection

#66
20170343659
2017-11-30

Parking space status sensing system and method

#67
20170331503
2017-11-16

Detection path design for communication systems

#68
20170328941
2017-11-16

Printed wireless inductive-capacitive (LC) sensor for heavy metal detection

#69
20170310405
2017-10-26

Method and apparatus for VSWR estimation using cross-correlation and real sampling without the need for time alignment

#70
20170292919
2017-10-12

Microwave imaging device

#71
20170248529
2017-08-31

Detecting structural integrity of a structural component

#72
20170248490
2017-08-31

Detecting structural integrity of a structural component

#73
20170192043
2017-07-06

Method for measuring characteristic impedance of electric transmission line

#74
20170160321
2017-06-08

Measurement apparatus

#75
20170146581
2017-05-25

Cable power loss determination for virtual metrology

#76
20170141802
2017-05-18

Voltage standing wave radio measurement and tuning systems and methods

#77
20170117936
2017-04-27

Estimation of impedances in a transmission medium

#78
20170089967
2017-03-30

Estimation of complex antenna impedance using scalar measurements

#79
20170082719
2017-03-23

Probe calibration devices and methods

#80
20170030960
2017-02-02

Systems and methods for implementing S/SSTDR measurements

#81
20170026137
2017-01-26

Measurement of voltage standing wave ratio of antenna system

#82
20170023632
2017-01-26

SYSTEM AND METHOD FOR AUTOMATED TESTING OF AN ELECTRIC CABLE

#83
20160349298
2016-12-01

Detecting device and detecting method for detecting output impedance angle of inverter

#84
20160313260
2016-10-27

Systems, probes, and methods for dielectric testing of wine in bottle

#85
20160252601
2016-09-01

Tester

#86
20160211928
2016-07-21

Enhanced voltage standing wave ratio measurement

#87
20160211870
2016-07-21

Detection path design for communication systems

#88
20160169957
2016-06-16

Systems and methods for implementing S/SSTDR measurements

#89
20160146920
2016-05-26

RF PARAMETER CALIBRATION METHOD

#90
20160020860
2016-01-21

VSWR estimation using spectral analysis to suppress external interference

#91
20160018450
2016-01-21

S-parameter measurements using real-time oscilloscopes

#92
20150369849
2015-12-24

Determining operating characteristics of signal generator using measuring device

#93
20150346126
2015-12-03

Sensor, measuring device, and measuring method

#94
20150323577
2015-11-12

Balanced bridge

#95
20150323576
2015-11-12

Electrochromic cell for radio-frequency applications

#96
20150288461
2015-10-08

VSWR estimation using correlation to suppress external interference

#97
20150212129
2015-07-30

Vector network analyzer

#98
20150212127
2015-07-30

Acquisition method for S-parameters in microwave introduction modules, and malfunction detection method

#99
20150198639
2015-07-16

Cable power loss determination for virtual metrology

#100
20150168446
2015-06-18

Vertical/horizontal probe system and calibration kit for the probe system

#101
20150130554
2015-05-14

Ultra-wide band measurement bridge

#102
20150130481
2015-05-14

Electromagnetic wave sensor and/or emitter

#103
20150097579
2015-04-09

Sensor apparatus for measurement of material properties

#104
20150035547
2015-02-05

Tire inspection using microwave imaging methodologies

#105
20150035546
2015-02-05

High sensitivity tunable radio frequency sensors

#106
20140333326
2014-11-13

Methods and systems for the rapid detection of concealed objects

#107
20140300373
2014-10-09

Traveling wave spot probe

#108
20140226753
2014-08-14

Method and system for mitigating transformer saturation in a communication interface

#109
20140167975
2014-06-19

RF dynamic power control and radio protection in metering devices

#110
20140050114
2014-02-20

Method, apparatus and system for determining voltage standing wave ratio in a downlink period of radio communication

#111
20130307564
2013-11-21

In-process material characterization

#112
20130245976
2013-09-19

Measurement of voltage standing wave ratio of antenna system

#113
20130082687
2013-04-04

Transmitter calibration system

#114
20130038387
2013-02-14

Detector circuit

#115
20120306510
2012-12-06

Method and system for assessing insulation deterioration in live underground power cables

#116
20120274338
2012-11-01

HIGH PERFORMANCE TIME DOMAIN REFLECTOMETRY

#117
20120213331
2012-08-23

Methods and systems for the rapid detection of concealed objects

#118
20120098588
2012-04-26

Proximity detection

#119
20110304340
2011-12-15

Systems and methods employing time domain reflectometry

#120
20110227592
2011-09-22

Method and arrangement for through-line mismatch RF testing

#121
20110124293
2011-05-26

Standing wave ratio measuring circuit and communication apparatus

#122
20100231236
2010-09-16

Integrated VSWR detector for monolithic microwave integrated circuits

#123
20100085066
2010-04-08

Methods and systems for the rapid detection of concealed objects

#124
20100001747
2010-01-07

Method and a device for measuring dielectric characteristics of material bodies

#125
20090187362
2009-07-23

Interference rejection through circle fitting

#126
20090041187
2009-02-12

Methods and systems for the rapid detection of concealed objects

#127
20090009260
2009-01-08

Directional couplers for RF power detection

#128
20080265917
2008-10-30

Return loss bridge circuit

#129
20080122448
2008-05-29

Method and System for Detecting Transformer Saturation in a Communication Interface

#130
20080102897
2008-05-01

Device and method for remotely measuring and monitoring antenna system using mobile terminal

#131
20080061903
2008-03-13

Directional couplers for RF power detection

#132
20070216420
2007-09-20

Method and system for eliminating VSWR errors in magnitude measurements

#133
20070207739
2007-09-06

Testing systems and methods for aircraft radios

#134
20050104603
2005-05-19

Methods and systems for the rapid detection of concealed objects

#135
20050058242
2005-03-17

Methods and systems for the rapid detection of concealed objects

#136
20050020218
2005-01-27

Power transfer measurement circuit for wireless systems

#137
17547117
2023-02-21

Multi-level RF pulse monitoring and RF pulsing parameter optimization at a manufacturing system

#138
17494085
2023-02-28

RF signature detection for waveguide deformation

#139
16839579
2021-12-07

Low frequency active load pull tuner

#140
16024788
2020-12-22

Nonlinear transmission line (NLTL)-based miniature reflectometers with reduced heat dissipation and scalable tether length

#141
14871384
2018-12-04

Method and system for phase synchronization and calibration of a multiport vector network analyzer using a single phase reference

#142
14837242
2017-05-30

High speed hybrid active load pull

#143
14813929
2018-05-15

Systems, methods, and software for determining spatially variable distributions of the dielectric properties of a heterogeneous material

#144
14531410
2016-10-04

Hybrid load pull system and method

#145
14074849
2016-01-26

Method and apparatus for virtual cable test using echo canceller coefficients

#146
14022442
2017-08-15

Devices, systems, and methods for sychronizing a remote receiver to a master signal for measuring scattering parameters