ClassID:

171579

G01R23/18 - CPC Classification

Classification description:

Arrangements for measuring frequencies; Arrangements for analysing frequency spectra; Spectrum analysis; Fourier analysis with provision for recording frequency spectrum

Recent Application in this class:
#1
20260063719
2026-03-05

Computer implemented method and system for anomaly detection in industrial drivetrain

#2
20250310006
2025-10-02

ANALYSIS AND MEASUREMENT OF SIGNALS IN A MULTI-CHANNEL ANTENNA RECEIVER WITH MULTI-CHANNEL ANALOG-DIGITAL CONVERTERS (ADCS)

#3
20250216428
2025-07-03

REPRESENTATIVE FREQUENCIES DETERMINATION FOR ESTIMATING EMISSION POWER FROM ANTENNA ARRAY

#4
20240393378
2024-11-28

SINGLE-POINT SAMPLING OPTIMIZATION METHOD AND SYSTEM FOR FREQUENCY RESPONSE MEASUREMENT

#5
20240361376
2024-10-31

REMOVING TEST EQUIPMENT NOISE FROM POWER SPECTRAL DENSITY MEASUREMENTS

#6
20240361367
2024-10-31

REMOVING TEST EQUIPMENT INTERMODULATION INTERFERENCE AND NOISE FROM POWER SPECTRAL DENSITY MEASUREMENTS

#7
20240319239
2024-09-26

ELECTRICAL SIGNAL ANALYSIS AND APPLIANCE MONITORING

#8
20240181937
2024-06-06

SYSTEMS AND METHODS TO MONITOR SEATS FOR DIAGNOSTICS, PROGNOSTICS AND DEGRADATION

#9
20240168069
2024-05-23

RECEIVER INTEGRATED REAL-TIME SPECTRUM ANALYSZER

#10
20240069081
2024-02-29

SIGNAL ANALYSIS FOR COMPUTING A COMPLEMENTARY CUMULATIVE DISTRIBUTION FUNCTION

#11
20230400487
2023-12-14

INFORMATION PROCESSING METHOD, INFORMATION PROCESSING APPARATUS, AND NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM

#12
20230314492
2023-10-05

PROVIDING A FREQUENCY OF AN ELECTRICAL QUANTITY IN AN ELECTRICAL POWER SYSTEM

#13
20230027767
2023-01-26

Measuring apparatus and a measuring method of electromagnetic interference

#14
20220317167
2022-10-06

METHOD FOR MEASURING AND DISPLAYING THE AUDIO SIGNAL/NOISE RATIO

#15
20220244293
2022-08-04

PEAK SELECTION ASSISTANCE FOR RF SPECTRUM ANALYSIS

#16
20220218264
2022-07-14

METHOD TO PERFORM SPECTRAL BIOPSY OF ELECTROPHYSIOLOGICAL BRAIN FUNCTION

#17
20220187165
2022-06-16

Method for correcting a time-dependent measurement signal of a motor transmission unit as well as a method for detecting wear and/or damage of the same by means of this correction method

#18
20220183612
2022-06-16

APPARATUS AND METHOD FOR PHASE TRACKING AN OSCILLATORY SIGNAL

#19
20210247427
2021-08-12

Anomaly detection apparatus, method and computer-readable medium

#20
20210123959
2021-04-29

Devices, Systems, and Software including Signal Power Measuring and Methods and Software for Measuring Signal Power

#21
20200309987
2020-10-01

Multi-energy-spectrum X-ray imaging system and method of substance identification of item to be inspected by using the same

#22
20200142020
2020-05-07

Method and device for estimating an angle of arrival of an incident radio signal

#23
20200011946
2020-01-09

Implantable or insertable nuclear magnetic resonant imaging system

#24
20200011912
2020-01-09

Method and apparatus to evaluate audio equipment for dynamic distortions and or differential phase and or frequency modulation effects

#25
20190277895
2019-09-12

System for testing Nakagami fading channel and verification method thereof

#26
20190271741
2019-09-05

Differential signal measurement system and method

#27
20190190693
2019-06-20

Apparatus and method for cross-domain analysis of radio systems

#28
20190128934
2019-05-02

Apparatus and method for processing spectrum

#29
20190075567
2019-03-07

Portable measuring device

#30
20180120366
2018-05-03

Method and system for detecting useful signals, with respective non-negligible frequency drift, in a total signal

#31
20180059142
2018-03-01

Signal analysis in time and frequency

#32
20170299642
2017-10-19

Detection of ultra wide band signal

#33
20170227584
2017-08-10

TIME-SERIES DATA WAVEFORM ANALYSIS DEVICE, METHOD THEREFOR AND NON-TRANSITORY COMPUTER READABLE MEDIUM

#34
20150112642
2015-04-23

Measuring device and a method for improved imaging of the spectral characteristics

#35
20150111506
2015-04-23

Measuring device and a method for measuring a signal with several component signals

#36
20150088447
2015-03-26

Method and apparatus for a parallel frequency-mask trigger

#37
20140370883
2014-12-18

Method and a device for the automatic allocation of a signal to a measurement application

#38
20140207414
2014-07-24

Real-time spectrum analyzer including frequency mask gate and method of operating the same

#39
20140126693
2014-05-08

Method and device for identifying a material by the spectral analysis of electromagnetic radiation passing through said material

#40
20130346028
2013-12-26

Method and measuring device for suppressing interference signals

#41
20130346005
2013-12-26

Signal analysis in time and frequency

#42
20130317769
2013-11-28

Automatically detecting in-band but out-of-span power in a frequency-domain test and measurement instrument

#43
20130158923
2013-06-20

Frequency mask trigger with non-uniform bandwidth segments

#44
20120102353
2012-04-26

DATA PROCESSING APPARATUS, DATA PROCESSING SYSTEM, MEASUREMENT SYSTEM, DATA PROCESSING METHOD, MEASUREMENT METHOD, ELECTRONIC DEVICE AND RECORDING MEDIUM

#45
20110320148
2011-12-29

Method and apparatus for generating a gated density bitmap

#46
20110282610
2011-11-17

Density trace measurement

#47
20110153247
2011-06-23

Method and device for determining a frequency mask for a frequency spectrum

#48
20100153044
2010-06-17

Signal analyzer and method for producing data therefore

#49
20100030517
2010-02-04

Method and device for the determination of a statistical measurement value

#50
20090153559
2009-06-18

Automatic generation of frequency domain mask

#51
20090085555
2009-04-02

Systems and methods for providing signal analysis data

#52
20080259082
2008-10-23

Methods, systems, and apparatus for multi-domain markers

#53
20080201092
2008-08-21

Waveform Display Method And Apparatus

#54
20080068286
2008-03-20

MONITOR WITH SPECTRUM PANEL

#55
20080062209
2008-03-13

Displaying time sequence of 2-dimensional data

#56
20070250558
2007-10-25

Method and device for performing spectrum analysis of a wanted signal or noise signal

#57
20060212238
2006-09-21

Method of compressing values of a monitored electrical power signal

#58
20060010244
2006-01-12

FFT accelerated display mode

#59
20050261847
2005-11-24

Display method for signal analyzer

#60
20050240367
2005-10-27

Method of mapping linearly spaced spectrum points to logarithmically spaced frequency and a measuring apparatus using the method

#61
20050057253
2005-03-17

Digital phosphor spectrum analyzer

#62
13833165
2018-07-17

Real-time spectrum analyzer having frequency content based trigger unit