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Arrangements for measuring frequencies Arrangements for analysing frequency spectra
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PHYSICS
G01
Measuring instruments
G01R
MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES
Current Industry
G01R23/00
Arrangements for measuring frequencies Arrangements for analysing frequency spectra
Sub Industries
G01R23/005
Circuits for comparing several input signals and for indicating the result of this comparison
G01R23/02
Arrangements for measuring frequency
G01R23/04
adapted for measuring in circuits having distributed constants
G01R23/06
by converting frequency into an amplitude of current or voltage
G01R23/07
using response of circuits tuned on resonance
G01R23/08
using response of circuits tuned off resonance
G01R23/09
using analogue integrators
G01R23/10
by converting frequency into a train of pulses, which are then counted
G01R23/12
by converting frequency into phase shift
G01R23/14
by heterodyning by beat-frequency comparison
G01R23/145
by heterodyning or by beat-frequency comparison with the harmonic of an oscillator
G01R23/15
Indicating that frequency of pulses is either above or below a predetermined value or within or outside a predetermined range of values, by making use of non-linear or digital elements (indicating that pulse width is above or below a certain limit)
G01R23/155
giving an indication of the number of times this occurs
G01R23/16
Spectrum analysis Fourier analysis
G01R23/163
adapted for measuring in circuits having distributed constants
G01R23/165
using filters
G01R23/167
with digital filters
G01R23/17
with optical or acoustical auxiliary devices
G01R23/173
Wobbulating devices similar to swept panoramic receivers
G01R23/175
by delay means
G01R23/177
Analysis of very low frequencies
G01R23/18
with provision for recording frequency spectrum
G01R23/20
Measurement of non-linear distortion
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last 30 patents
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Patent Grant
Multi-channel spectrum analyzer with multi-channel analog-digital-c...
Patent number
12,366,591
Issue date
Jul 22, 2025
Viavi Solutions Inc.
Chang-Hyun Park
G01 - MEASURING TESTING
Information
Patent Grant
Systems for and methods of clock frequency monitoring
Patent number
12,368,440
Issue date
Jul 22, 2025
Avago Technologies International Sales Pte. Limited
Renfei Liu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and system for monitoring operation status of an electric mo...
Patent number
12,360,144
Issue date
Jul 15, 2025
Schneider Toshiba Inverter Europe SAS
Nicolas Henwood
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Detector circuit, signal processing circuit, and measurement instru...
Patent number
12,352,792
Issue date
Jul 8, 2025
Rohde & Schwarz GmbH & Co. KG
Wolfgang Wendler
G01 - MEASURING TESTING
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Patent Grant
Fractional Fourier Transform-based spectrum analyzer
Patent number
12,352,793
Issue date
Jul 8, 2025
The Aerospace Corporation
Seema Sud
G06 - COMPUTING CALCULATING COUNTING
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Patent Grant
Removing test equipment intermodulation interference and noise from...
Patent number
12,345,748
Issue date
Jul 1, 2025
LITEPOINT CORPORATION
Chen Cao
G01 - MEASURING TESTING
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Patent Grant
Apparatus and method for phase tracking an oscillatory signal
Patent number
12,329,532
Issue date
Jun 17, 2025
Oxford University Innovation Limited
Colin Gerard McNamara
G06 - COMPUTING CALCULATING COUNTING
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Patent Grant
Removing test equipment noise from power spectral density measurements
Patent number
12,332,299
Issue date
Jun 17, 2025
LITEPOINT CORPORATION
Chen Cao
G01 - MEASURING TESTING
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Patent Grant
Identifying glitches and levels in mixed-signal waveforms
Patent number
12,326,466
Issue date
Jun 10, 2025
Indian Institute of Technology Kharagpur
Sayandeep Sanyal
G01 - MEASURING TESTING
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Patent Grant
Method, device and system for measuring frequency domain characteri...
Patent number
12,320,830
Issue date
Jun 3, 2025
CHANGXIN MEMORY TECHNOLOGIES, INC.
Maosong Ma
G01 - MEASURING TESTING
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Patent Grant
Method and apparatus for determining gate capacitance
Patent number
12,313,663
Issue date
May 27, 2025
Microsoft Technology Licensing, LLC
Jonne Verneri Koski
G01 - MEASURING TESTING
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Patent Grant
Method for identifying asymmetrical vibrations when operating an el...
Patent number
12,308,639
Issue date
May 20, 2025
Siemens Energy Global GmbH & Co. KG
Holger Herterich
G01 - MEASURING TESTING
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Patent Grant
Radio-frequency element group testing system and method
Patent number
12,287,365
Issue date
Apr 29, 2025
Ohmplus Technology Inc.
Chih-Yuan Chu
G01 - MEASURING TESTING
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Method for monitoring the status of an apparatus and assembly
Patent number
12,276,682
Issue date
Apr 15, 2025
Siemens Aktiengesellschaft
Marco Bögler
G01 - MEASURING TESTING
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Patent Grant
Methods and devices for providing a parameter that indicates a high...
Patent number
12,268,511
Issue date
Apr 8, 2025
Covidien LP
Susanne Koch
G01 - MEASURING TESTING
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Patent Grant
Active rectifier harmonics compensator
Patent number
12,273,022
Issue date
Apr 8, 2025
Hamilton Sundstrand Corporation
Grzegorz Popek
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Patent Grant
Detecting and localizing cable plant impairments using full band ca...
Patent number
12,261,762
Issue date
Mar 25, 2025
Charter Communications Operating, LLC
Ben J. Guidarelli
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Techniques for empirical mode decomposition (EMD)-based noise estim...
Patent number
12,259,416
Issue date
Mar 25, 2025
The University of New Hampshire
Mahdi H. Al-Badrawi
G06 - COMPUTING CALCULATING COUNTING
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Patent Grant
Motor control system
Patent number
12,259,432
Issue date
Mar 25, 2025
Rohm Co., Ltd.
Naoyuki Usagawa
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Patent Grant
Adhesive composition and methods of forming the same
Patent number
12,258,495
Issue date
Mar 25, 2025
Saint-Gobain Performance Plastics Corporation
Nicky Chan
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Patent Grant
Phase sector based signal charge acquisition
Patent number
12,250,086
Issue date
Mar 11, 2025
David K Nienaber
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method, signal processing device, and measurement application device
Patent number
12,248,008
Issue date
Mar 11, 2025
Rohde & Schwarz GmbH & Co. KG
Mahmud Naseef
G01 - MEASURING TESTING
Information
Patent Grant
Frequency monitoring circuitry with voltage conversion
Patent number
12,241,920
Issue date
Mar 4, 2025
Apple Inc.
Arunvenkatesh Alagappan
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Methods and systems for electric propulsor fault detection
Patent number
12,235,301
Issue date
Feb 25, 2025
BETA AIR LLC
Jeffrey K. Petter
B60 - VEHICLES IN GENERAL
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Patent Grant
Methods for determining and calibrating non-linearity in a Phase In...
Patent number
12,235,318
Issue date
Feb 25, 2025
Samsung Electronics Co., Ltd.
Gunjan Mandal
G01 - MEASURING TESTING
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Patent Grant
Power quality analysis system and method for monitoring from the ou...
Patent number
12,228,596
Issue date
Feb 18, 2025
REMONI A/S
Bo Eskerod Madsen
G01 - MEASURING TESTING
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Patent Grant
Contactless element detection device
Patent number
12,216,865
Issue date
Feb 4, 2025
Commissariat a l'Energie Atomique et Aux Energies Alternatives
Pierre-Henri Orefice
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Ultrasonic transducer having state monitoring function and ultrason...
Patent number
12,208,427
Issue date
Jan 28, 2025
Kaijo Corporation
Shugo Ohta
B08 - CLEANING
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Patent Grant
Signal processing system and signal processing method
Patent number
12,196,791
Issue date
Jan 14, 2025
Hitachi, Ltd.
Shinji Nakagawa
G01 - MEASURING TESTING
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Patent Grant
Control of electrically driven corrosion of medical implants
Patent number
12,186,208
Issue date
Jan 7, 2025
Syracuse University
Jeongmin Ahn
G01 - MEASURING TESTING
Patents Applications
last 30 patents
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Patent Application
METHODS AND SYSTEMS FOR ELECTRIC PROPULSOR FAULT DETECTION
Publication number
20250231228
Publication date
Jul 17, 2025
BETA AIR LLC
Jeffrey K. Petter
B60 - VEHICLES IN GENERAL
Information
Patent Application
MEASUREMENT INSTRUMENT
Publication number
20250224433
Publication date
Jul 10, 2025
ROHDE &SCHWARZ GMBH & CO. KG
Susanne HIRSCHMANN
G01 - MEASURING TESTING
Information
Patent Application
REPRESENTATIVE FREQUENCIES DETERMINATION FOR ESTIMATING EMISSION PO...
Publication number
20250216428
Publication date
Jul 3, 2025
Samsung Electronics Co., Ltd.
DONGKWON CHOI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MEASUREMENT APPLICATION DEVICE
Publication number
20250216427
Publication date
Jul 3, 2025
Rohde& Schwarz GmbH & Co. KG
Andreas LAGLER
G01 - MEASURING TESTING
Information
Patent Application
METHODS AND DEVICES FOR PROVIDING A PARAMETER THAT INDICATES A HIGH...
Publication number
20250204840
Publication date
Jun 26, 2025
Covidien LP
Susanne Koch
G01 - MEASURING TESTING
Information
Patent Application
DEVICE FOR DETECTING ELECTROMAGNETIC WAVE ABNORMALITY USING NEUTRAL...
Publication number
20250199040
Publication date
Jun 19, 2025
Hyundai Motor Company
Jun-Byung CHAE
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
ADHESIVE COMPOSITION AND METHODS OF FORMING THE SAME
Publication number
20250188326
Publication date
Jun 12, 2025
SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION
Nicky CHAN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
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MOTOR CONTROL SYSTEM
Publication number
20250189586
Publication date
Jun 12, 2025
Rohm Co., Ltd.
Naoyuki Usagawa
G01 - MEASURING TESTING
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Patent Application
Methods for Verifying Integrity and Authenticity of a Printed Circu...
Publication number
20250180628
Publication date
Jun 5, 2025
Worcester Polytechnic Institute
Tahoura Mosavirik
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Apparatus and Method for Clock Frequency Estimation With Delayed Me...
Publication number
20250180642
Publication date
Jun 5, 2025
MICROCHIP TECHNOLOGY INCORPORATED
Gary Qu Jin
G01 - MEASURING TESTING
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Patent Application
SEMICONDUCTOR DEVICE, TEST APPARATUS AND METHOD FOR TESTING SEMICON...
Publication number
20250164533
Publication date
May 22, 2025
SK HYNIX INC.
Chul Hee OH
G01 - MEASURING TESTING
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Patent Application
NOISE ANALYSIS APPARATUS, NOISE ANALYSIS METHOD, AND PROGRAM
Publication number
20250164536
Publication date
May 22, 2025
Mitsubishi Electric Corporation
Keita TAKAHASHI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Method for Acquiring Pulse Width Modulation Signal, Computer Device...
Publication number
20250147087
Publication date
May 8, 2025
Beijing CHJ Information Technology Co., Ltd.
Hongshan Shao
G01 - MEASURING TESTING
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Patent Application
IMPROVED SENSORLESS CHATTER DETECTION
Publication number
20250135594
Publication date
May 1, 2025
FANUC CORPORATION
Yen Po Liu
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Application
METHODS AND DEVICES FOR ANALYZING A DEVICE-UNDER-TEST
Publication number
20250138089
Publication date
May 1, 2025
ROHDE & SCHWARZ GMBH & CO. KG
Gerd BRESSER
G01 - MEASURING TESTING
Information
Patent Application
SYSTEMS AND METHODS FOR TESTING ELECTRICAL CONNECTIONS BETWEEN A CH...
Publication number
20250138110
Publication date
May 1, 2025
NXP B.V.
Erwin Johannes Gerardus Janssen
G01 - MEASURING TESTING
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Patent Application
CONFIGURABLE RADIO FREQUENCY SYSTEM
Publication number
20250130273
Publication date
Apr 24, 2025
ROHDE & SCHWARZ GMBH & CO. KG
Nico RIEDMANN
G01 - MEASURING TESTING
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Patent Application
Power Converter
Publication number
20250102549
Publication date
Mar 27, 2025
HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
Yusuke ARAO
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
POWER FAILURE DETECTION CIRCUIT AND CONTROL CIRCUIT FOR VRF SYSTEM
Publication number
20250105619
Publication date
Mar 27, 2025
Carrier Corporation
Xiaojun Guo
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
METHOD FOR DETERMINING PHASE INFORMATION RELATED TO AN RF TRANSMISS...
Publication number
20250105924
Publication date
Mar 27, 2025
INFINEON TECHNOLOGIES AG
Michael GERSTMAIR
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEM AND METHOD FOR MEASURING MODULATION DISTORTION ERROR VECTOR...
Publication number
20250067782
Publication date
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KEYSIGHT TECHNOLOGIES, INC.
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G01 - MEASURING TESTING
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Patent Application
CLASSIFYING COMPARATORS BASED ON COMPARATOR OFFSETS
Publication number
20250059414
Publication date
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MICROCHIP TECHNOLOGY INCORPORATED
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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TIMING-DRIFT CALIBRATION
Publication number
20250054561
Publication date
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Rambus Inc.
Yohan U. Frans
G06 - COMPUTING CALCULATING COUNTING
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Publication number
20250052793
Publication date
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G01 - MEASURING TESTING
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DIRECTIONAL COUPLER AND RADIO FREQUENCY POWER AMPLIFIER SYSTEM BASE...
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Publication date
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SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY
Hairong ZHENG
H01 - BASIC ELECTRIC ELEMENTS
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Patent Application
METHOD FOR CONTACTLESS DETERMINATION OF AN OPERATING STATE
Publication number
20250027977
Publication date
Jan 23, 2025
KAESER KOMPRESSOREN SE
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G06 - COMPUTING CALCULATING COUNTING
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Patent Application
WIRELESS POWER TRANSMISSION SYSTEM FOR DETECTING OPTIMAL RESONANCE...
Publication number
20250030272
Publication date
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BANF CO., LTD.
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G01 - MEASURING TESTING
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Patent Application
EXTERNAL CRYSTAL OSCILLATOR CYCLE DURATION AND VARIATION TRACKING
Publication number
20250007460
Publication date
Jan 2, 2025
Hewlett-Packard Development Company, L.P.
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H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
FULLY DIGITAL DOMAIN INTEGRATED FREQUENCY MONITOR
Publication number
20250004024
Publication date
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NVIDIA Corporation
Ofek Abadi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
POWER GRID FREQUENCY DETECTION METHOD, APPARATUS, POWER GRID FREQUE...
Publication number
20240429718
Publication date
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GOLDWIND SCIENCE & TECHNOLOGY CO., LTD.
Xiaodong CAO
G01 - MEASURING TESTING