separating AC and DC

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CPC
G01R19/0015

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GPHYSICS G01Measuring instruments G01RMEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof

Current Industry

G01R19/0015separating AC and DC

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Detection of a direct current component in an inductive device
- Patent number 12,044,710
- Issue date Jul 23, 2024
- Siemens Energy Global GmbH & Co. KG
- Franz Klammler
- G01 - MEASURING TESTING
Information Patent Grant
Method for determining asymmetric vibrations in an electric device
- Patent number 12,019,102
- Issue date Jun 25, 2024
- Siemens Energy Global GmbH & Co. KG
- Holger Herterich
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Processing sinewave signals of variable frequency in a device with...
- Patent number 11,906,557
- Issue date Feb 20, 2024
- Schweitzer Engineering Laboratories, Inc.
- Veselin Skendzic
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Systems, devices, and methods for measuring direct current/low freq...
- Patent number 11,635,452
- Issue date Apr 25, 2023
- Tektronix, Inc.
- Michael J. Mende
- G01 - MEASURING TESTING
Information Patent Grant
Methods and apparatus to detect a blank frame in a digital video br...
- Patent number 11,496,231
- Issue date Nov 8, 2022
- THE NIELSEN COMPANY (US), LLC
- Kevin K. Deng
- G01 - MEASURING TESTING
Information Patent Grant
Method for detecting a contact fault in a photovoltaic system
- Patent number 11,404,999
- Issue date Aug 2, 2022
- SMA Solar Technology AG
- Markus Hopf
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Waveform separator apparatus and method for detecting leakage curre...
- Patent number 11,362,517
- Issue date Jun 14, 2022
- Quanta Associates, L.P.
- Zoran Bilic
- G08 - SIGNALLING
Information Patent Grant
Measurement of current within a conductor
- Patent number 11,022,630
- Issue date Jun 1, 2021
- General Electric Technology GmbH
- Hengxu Ha
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Waveform separator apparatus and method for detecting leakage curre...
- Patent number 10,804,703
- Issue date Oct 13, 2020
- Quanta Associates, L.P.
- Zoran Bilic
- G08 - SIGNALLING
Information Patent Grant
Device and method for measuring electrical current in an electrical...
- Patent number 10,782,324
- Issue date Sep 22, 2020
- Qoitech AB
- Gunnar Klinghult
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for electric arc detection
- Patent number 10,502,778
- Issue date Dec 10, 2019
- SMA Solar Technology AG
- Martin Putz
- G01 - MEASURING TESTING
Information Patent Grant
Trip control circuit for circuit breaker
- Patent number 10,483,751
- Issue date Nov 19, 2019
- LSIS Co., Ltd.
- Jongkug Seon
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Apparatus for detecting AC components in a DC circuit and use of th...
- Patent number 10,436,821
- Issue date Oct 8, 2019
- SMA Solar Technology AG
- Holger Behrends
- G01 - MEASURING TESTING
Information Patent Grant
Motor drive apparatus to detect inverter with large leakage current
- Patent number 10,401,415
- Issue date Sep 3, 2019
- FANUC CORPORATION
- Masaya Tateda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Current detecting apparatus
- Patent number 10,197,604
- Issue date Feb 5, 2019
- Delta Electronics, Inc.
- Chun-Wei Wu
- G01 - MEASURING TESTING
Information Patent Grant
Method and device for measuring a current flowing through a switch
- Patent number 9,664,742
- Issue date May 30, 2017
- Continental Automotive GmbH
- Aurel-Vasile Neic
- G01 - MEASURING TESTING
Information Patent Grant
Configurable bias tee
- Patent number 9,553,559
- Issue date Jan 24, 2017
- Keithley Instruments, Inc.
- Gregory Sobolewski
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Circuit that deciphers between AC and DC input signals
- Patent number 9,410,993
- Issue date Aug 9, 2016
- Rockwell Automation Technologies, Inc.
- Dale R. Terdan
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Circuit that deciphers between AC and DC input signals
- Patent number 8,767,425
- Issue date Jul 1, 2014
- Rockwell Automation Technologies, Inc.
- Dale R. Terdan
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for determining the offset of a periodic signal
- Patent number 8,587,289
- Issue date Nov 19, 2013
- Siemens Aktiengesellschaft
- Jalal Hallak
- G01 - MEASURING TESTING
Information Patent Grant
Fourier transform-based phasor estimation method and apparatus capa...
- Patent number 8,145,443
- Issue date Mar 27, 2012
- Myongji University Industry and Academia Cooperation Foundation
- Sang Hee Kang
- G01 - MEASURING TESTING
Information Patent Grant
Voltage measurement instrument and method having improved automatic...
- Patent number 8,004,286
- Issue date Aug 23, 2011
- Fluke Corporation
- Michael F. Gallavan
- G01 - MEASURING TESTING
Information Patent Grant
Voltage measurement instrument and method having improved automatic...
- Patent number 7,642,788
- Issue date Jan 5, 2010
- Fluke Corporation
- Michael F. Gallavan
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for AC integrated current sensor
- Patent number 7,622,910
- Issue date Nov 24, 2009
- Honeywell International Inc.
- Hassan Ali Kojori
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for DC integrated current sensor
- Patent number 7,615,989
- Issue date Nov 10, 2009
- Honeywell International Inc.
- Hassan Ali Kojori
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for separating and analyzing composite AC/DC w...
- Patent number 5,872,457
- Issue date Feb 16, 1999
- ADB-Alnaco, Inc.
- Harold Richard Williams
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for separating and analyzing composite AC/DC w...
- Patent number 5,648,723
- Issue date Jul 15, 1997
- ADB-Alnaco, Inc.
- Harold Richard Williams
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for AC coupling
- Patent number 5,646,569
- Issue date Jul 8, 1997
- Hewlett-Packard Company
- Thomas V. Bruhns
- G01 - MEASURING TESTING
Information Patent Grant
Interface circuit for audio signal
- Patent number 5,300,826
- Issue date Apr 5, 1994
- Sony Corporation
- Taiwa Okanobu
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for recovering an alternating variable of a controlled se...
- Patent number 4,904,925
- Issue date Feb 27, 1990
- Siemens Aktiengesellschaft
- Marcos A. Cavalcanti Pereira
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
SYSTEMS, DEVICES, AND METHODS FOR MEASURING DIRECT CURRENT/LOW FREQ...
- Publication number 20230266369
- Publication date Aug 24, 2023
- Tektronix, Inc.
- Michael J. Mende
- G01 - MEASURING TESTING
Information Patent Application
PROCESSING SINEWAVE SIGNALS OF VARIABLE FREQUENCY IN A DEVICE WITH...
- Publication number 20230194584
- Publication date Jun 22, 2023
- Schweitzer Engineering Laboratories, Inc.
- Veselin Skendzic
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD FOR DETERMINING ASYMMETRIC VIBRATIONS IN AN ELECTRIC DEVICE
- Publication number 20220236305
- Publication date Jul 28, 2022
- SIEMENS ENERGY GLOBAL GMBH & CO. KG
- Holger Herterich
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DETECTION OF A DIRECT CURRENT COMPONENT IN AN INDUCTIVE DEVICE
- Publication number 20220221493
- Publication date Jul 14, 2022
- SIEMENS ENERGY GLOBAL GMBH & CO. KG
- Franz Klammler
- G01 - MEASURING TESTING
Information Patent Application
METHOD, APPARATUS AND DEVICE FOR DETECTING ABNORMALITY OF ELECTRIC...
- Publication number 20210088562
- Publication date Mar 25, 2021
- HANGZHOU VANGO TECHNOLOGIES, INC.
- Boqiang WU
- G01 - MEASURING TESTING
Information Patent Application
WAVEFORM SEPARATOR APPARATUS AND METHOD FOR DETECTING LEAKAGE CURRE...
- Publication number 20210044116
- Publication date Feb 11, 2021
- QUANTA ASSOCIATES, L.P.
- Zoran BILIC
- G01 - MEASURING TESTING
Information Patent Application
SYSTEMS, DEVICES, AND METHODS FOR MEASURING DIRECT CURRENT/LOW FREQ...
- Publication number 20200132731
- Publication date Apr 30, 2020
- Tektronix, Inc.
- Michael J. Mende
- G01 - MEASURING TESTING
Information Patent Application
METHOD FOR DETECTING A CONTACT FAULT IN A PHOTOVOLTAIC SYSTEM
- Publication number 20200099334
- Publication date Mar 26, 2020
- SMA Solar Technology AG
- Markus Hopf
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHODS AND APPARATUS TO DETECT A BLANK FRAME IN A DIGITAL VIDEO BR...
- Publication number 20190020429
- Publication date Jan 17, 2019
- The Nielsen Company (US), LLC
- Kevin K. Deng
- G01 - MEASURING TESTING
Information Patent Application
MOTOR DRIVE APPARATUS TO DETECT INVERTER WITH LARGE LEAKAGE CURRENT
- Publication number 20180348284
- Publication date Dec 6, 2018
- FANUC CORPORATION
- Masaya Tateda
- G01 - MEASURING TESTING
Information Patent Application
WAVEFORM SEPARATOR APPARATUS AND METHOD FOR DETECTING LEAKAGE CURRE...
- Publication number 20180159331
- Publication date Jun 7, 2018
- QUANTA ASSOCIATES, L.P.
- Zoran BILIC
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Circuit That Deciphers Between AC And DC Input Signals
- Publication number 20140306691
- Publication date Oct 16, 2014
- Dale R. Terdan
- G01 - MEASURING TESTING
Information Patent Application
AC DETECTION CIRCUIT AND OPERATING METHOD THEREOF
- Publication number 20140167737
- Publication date Jun 19, 2014
- Sung Hun OH
- G01 - MEASURING TESTING
Information Patent Application
Circuit That Deciphers Between AC and DC Input Signals
- Publication number 20140145638
- Publication date May 29, 2014
- Rockwell Automation Technologies, Inc.
- Dale R. Terdan
- G01 - MEASURING TESTING
Information Patent Application
CURRENT SENSOR
- Publication number 20130027021
- Publication date Jan 31, 2013
- ABB INC.
- Kalyan P. Gokhale
- G01 - MEASURING TESTING
Information Patent Application
VOLTAGE MEASUREMENT INSTRUMENT AND METHOD HAVING IMPROVED AUTOMATIC...
- Publication number 20110276300
- Publication date Nov 10, 2011
- FLUKE CORPORATION
- Michael F. Gallavan
- G01 - MEASURING TESTING
Information Patent Application
Method for Determining the Offset of a Periodic Signal
- Publication number 20110068770
- Publication date Mar 24, 2011
- Jalal Hallak
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
VOLTAGE MEASUREMENT INSTRUMENT AND METHOD HAVING IMPROVED AUTOMATIC...
- Publication number 20100072981
- Publication date Mar 25, 2010
- FLUKE CORPORATION
- Michael F. Gallavan
- G01 - MEASURING TESTING
Information Patent Application
Fourier Transform-Based Phasor Estimation Method and Apparatus Capa...
- Publication number 20090299666
- Publication date Dec 3, 2009
- Myongji University Industry and Academia Cooperation Foundation
- Sang Hee Kang
- G01 - MEASURING TESTING
Information Patent Application
Voltage measurement instrument and method having improved automatic...
- Publication number 20080129279
- Publication date Jun 5, 2008
- FLUKE CORPORATION
- Michael F. Gallavan
- G01 - MEASURING TESTING
Information Patent Application
Method and apparatus for DC integrated current sensor
- Publication number 20080084200
- Publication date Apr 10, 2008
- Honeywell International Inc.
- Hassan Ali Kojori
- G01 - MEASURING TESTING
Information Patent Application
Method and apparatus for AC integrated current sensor
- Publication number 20080084201
- Publication date Apr 10, 2008
- Honeywell International Inc.
- Hassan Ali Kojori
- G01 - MEASURING TESTING

separating AC and DC

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Detection of a direct current component in an inductive device

Method for determining asymmetric vibrations in an electric device

Processing sinewave signals of variable frequency in a device with...

Systems, devices, and methods for measuring direct current/low freq...

Methods and apparatus to detect a blank frame in a digital video br...

Method for detecting a contact fault in a photovoltaic system

Waveform separator apparatus and method for detecting leakage curre...

Measurement of current within a conductor

Waveform separator apparatus and method for detecting leakage curre...

Device and method for measuring electrical current in an electrical...

Method and apparatus for electric arc detection

Trip control circuit for circuit breaker

Apparatus for detecting AC components in a DC circuit and use of th...

Motor drive apparatus to detect inverter with large leakage current

Current detecting apparatus

Method and device for measuring a current flowing through a switch

Configurable bias tee

Circuit that deciphers between AC and DC input signals

Circuit that deciphers between AC and DC input signals

Method for determining the offset of a periodic signal

Fourier transform-based phasor estimation method and apparatus capa...

Voltage measurement instrument and method having improved automatic...

Voltage measurement instrument and method having improved automatic...

Method and apparatus for AC integrated current sensor

Method and apparatus for DC integrated current sensor

Method and apparatus for separating and analyzing composite AC/DC w...

Method and apparatus for separating and analyzing composite AC/DC w...

Method and apparatus for AC coupling

Interface circuit for audio signal

Apparatus for recovering an alternating variable of a controlled se...

Patents Applicationslast 30 patents

SYSTEMS, DEVICES, AND METHODS FOR MEASURING DIRECT CURRENT/LOW FREQ...

PROCESSING SINEWAVE SIGNALS OF VARIABLE FREQUENCY IN A DEVICE WITH...

METHOD FOR DETERMINING ASYMMETRIC VIBRATIONS IN AN ELECTRIC DEVICE

DETECTION OF A DIRECT CURRENT COMPONENT IN AN INDUCTIVE DEVICE

METHOD, APPARATUS AND DEVICE FOR DETECTING ABNORMALITY OF ELECTRIC...

WAVEFORM SEPARATOR APPARATUS AND METHOD FOR DETECTING LEAKAGE CURRE...

SYSTEMS, DEVICES, AND METHODS FOR MEASURING DIRECT CURRENT/LOW FREQ...

METHOD FOR DETECTING A CONTACT FAULT IN A PHOTOVOLTAIC SYSTEM

METHODS AND APPARATUS TO DETECT A BLANK FRAME IN A DIGITAL VIDEO BR...

MOTOR DRIVE APPARATUS TO DETECT INVERTER WITH LARGE LEAKAGE CURRENT

WAVEFORM SEPARATOR APPARATUS AND METHOD FOR DETECTING LEAKAGE CURRE...

Circuit That Deciphers Between AC And DC Input Signals

AC DETECTION CIRCUIT AND OPERATING METHOD THEREOF

Circuit That Deciphers Between AC and DC Input Signals

CURRENT SENSOR

VOLTAGE MEASUREMENT INSTRUMENT AND METHOD HAVING IMPROVED AUTOMATIC...

Method for Determining the Offset of a Periodic Signal

VOLTAGE MEASUREMENT INSTRUMENT AND METHOD HAVING IMPROVED AUTOMATIC...

Fourier Transform-Based Phasor Estimation Method and Apparatus Capa...

Voltage measurement instrument and method having improved automatic...

Method and apparatus for DC integrated current sensor

Method and apparatus for AC integrated current sensor