using conversion of dc into ac

Industry

CPC
G01R19/18

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Parent Industries

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

G01R19/18using conversion of dc into ac

Industries

Patents Grantslast 30 patents

Information Patent Grant
Absence of voltage detector
- Patent number 11,988,693
- Issue date May 21, 2024
- Panduit Corp.
- Masud Bolouri-Saransar
- G01 - MEASURING TESTING
Information Patent Grant
Amplifier circuitry and current sensor having the same
- Patent number 11,979,120
- Issue date May 7, 2024
- Alps Alpine Co., Ltd.
- Takaharu Uekura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Signal detection circuit
- Patent number 11,874,307
- Issue date Jan 16, 2024
- Realtek Semiconductor Corp.
- Ruei-Ming Gan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Self calibration by double signal sampling
- Patent number 11,705,275
- Issue date Jul 18, 2023
- Panoramic Power Ltd.
- Daniel Aljadeff
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Self calibration by signal injection
- Patent number 11,538,628
- Issue date Dec 27, 2022
- Panoramic Power Ltd.
- Daniel Aljadeff
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic field detection device and method of detecting magnetic field
- Patent number 11,269,023
- Issue date Mar 8, 2022
- TDK Corporation
- Hiroshi Kiyono
- G01 - MEASURING TESTING
Information Patent Grant
Absence of voltage detector
- Patent number 11,162,983
- Issue date Nov 2, 2021
- Panduit Corp.
- Masud Bolouri-Saransar
- G01 - MEASURING TESTING
Information Patent Grant
Voltage on-off detector and electronic device including the same
- Patent number 11,063,587
- Issue date Jul 13, 2021
- DB HITEK CO., LTD.
- Sang Mok Lee
- G01 - MEASURING TESTING
Information Patent Grant
Current detection circuit not affected by noise
- Patent number 10,585,122
- Issue date Mar 10, 2020
- FANUC CORPORATION
- Kunio Tsuchida
- G01 - MEASURING TESTING
Information Patent Grant
Electric quantity measuring device comprising an analog-digital con...
- Patent number 10,511,317
- Issue date Dec 17, 2019
- Politecnico di Milano
- Giorgio Ferrari
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Proving unit for non-contact voltage measurement systems
- Patent number 10,359,494
- Issue date Jul 23, 2019
- Fluke Corporation
- David L. Epperson
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Isolated power transfer with integrated transformer and voltage con...
- Patent number 10,326,375
- Issue date Jun 18, 2019
- Silicon Laboratories Inc.
- Krishna Pentakota
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Proving unit for voltage measurement systems
- Patent number 10,254,375
- Issue date Apr 9, 2019
- Fluke Corporation
- David L. Epperson
- G01 - MEASURING TESTING
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
Isolated power transfer device
- Patent number 9,812,989
- Issue date Nov 7, 2017
- Silicon Laboratories Inc.
- Timothy J. Dupuis
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
AC voltage detecting circuit and image forming apparatus having the...
- Patent number 9,151,784
- Issue date Oct 6, 2015
- Brother Kogyo Kabushiki Kaisha
- Katsumi Inukai
- G01 - MEASURING TESTING
Information Patent Grant
Current detection circuit and transformer current measuring system
- Patent number 8,988,064
- Issue date Mar 24, 2015
- Shindengen Electric Manufacturing Co., Ltd.
- Yasunori Hakoda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Current measurement signal device with electrical isolation, electr...
- Patent number 8,378,663
- Issue date Feb 19, 2013
- Schneider Electric Insustries SAS
- Yvan Cadoux
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus and method for DC voltage measurement
- Patent number 8,324,884
- Issue date Dec 4, 2012
- Silicon Motion, Inc.
- Li Shuo Hsiao
- G01 - MEASURING TESTING
Information Patent Grant
Voltage detection device and voltage detection method
- Patent number 7,916,504
- Issue date Mar 29, 2011
- Nissan Motor Co., Ltd.
- Tsuyoshi Morita
- G01 - MEASURING TESTING
Information Patent Grant
Voltage detection device and voltage detection method
- Patent number 7,808,230
- Issue date Oct 5, 2010
- Nissan Motor Co., Ltd.
- Tsuyoshi Morita
- G01 - MEASURING TESTING
Information Patent Grant
Current, voltage and temperature measuring circuit
- Patent number 6,946,845
- Issue date Sep 20, 2005
- Isabellenhutte Heusler GmbH KG
- Ullrich Hetzler
- G01 - MEASURING TESTING
Information Patent Grant
Electrical quantity sensor
- Patent number 6,707,287
- Issue date Mar 16, 2004
- Matsushita Electric Works, Ltd.
- Isoshi Takeda
- G01 - MEASURING TESTING
Information Patent Grant
Circuit arrangement for accurately detecting a direct current deriv...
- Patent number 6,178,105
- Issue date Jan 23, 2001
- Siemens Aktiengesellschaft
- Andreas Rampold
- G01 - MEASURING TESTING
Information Patent Grant
Precision rectifier system with differential input and differential...
- Patent number 5,170,335
- Issue date Dec 8, 1992
- Analog Devices, Inc.
- A. Paul Brokaw
- G01 - MEASURING TESTING
Information Patent Grant
Input switching in electronic watthour meter
- Patent number 4,761,605
- Issue date Aug 2, 1988
- General Electric Company
- Thomas A. Jochum
- G01 - MEASURING TESTING
Information Patent Grant
Light meter
- Patent number 4,218,140
- Issue date Aug 19, 1980
- Lambda Instruments Co.
- W. Walter Biggs
- G01 - MEASURING TESTING
Information Patent Grant
Demodulator circuit for chopper amplifier
- Patent number 4,188,586
- Issue date Feb 12, 1980
- Nippon Soken, Inc.
- Tsuneyuki Egami
- G01 - MEASURING TESTING
Information Patent Grant
Electric current chopper
- Patent number 4,074,343
- Issue date Feb 14, 1978
- Agence Nationale de Valorisation de la Recherche (ANVAR)
- Jacques Chaussy
- G01 - MEASURING TESTING
Information Patent Grant
Chopper-multiplexer system for measurement of remote low-level signals
- Patent number 4,074,076
- Issue date Feb 14, 1978
- The University of Toledo
- Donald R. Zrudsky
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
CALIBRATION FOR ROUTING RESISTANCE INDUCED ERROR
- Publication number 20240310432
- Publication date Sep 19, 2024
- TEXAS INSTRUMENTS INCORPORATED
- Gautam Salil NANDI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ABSENCE OF VOLTAGE DETECTOR
- Publication number 20240302414
- Publication date Sep 12, 2024
- Panduit Corp.
- Masud Bolouri-Saransar
- G01 - MEASURING TESTING
Information Patent Application
ESTIMATION SYSTEM
- Publication number 20240280637
- Publication date Aug 22, 2024
- Toyota Jidosha Kabushiki Kaisha
- Yuko ASANO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
TEST DEVICE
- Publication number 20240159830
- Publication date May 16, 2024
- LS ELECTRIC CO., LTD.
- Kihyeon KIM
- G01 - MEASURING TESTING
Information Patent Application
CURRENT SENSING APPARATUS
- Publication number 20240094267
- Publication date Mar 21, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Alireza Fatemi
- B60 - VEHICLES IN GENERAL
Information Patent Application
SIGNAL DETECTION CIRCUIT
- Publication number 20220357374
- Publication date Nov 10, 2022
- Realtek Semiconductor Corp.
- RUEI-MING GAN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
AMPLIFIER CIRCUITRY AND CURRENT SENSOR HAVING THE SAME
- Publication number 20220278660
- Publication date Sep 1, 2022
- ALPS ALPINE CO., LTD.
- Takaharu Uekura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Absence of Voltage Detector
- Publication number 20220057439
- Publication date Feb 24, 2022
- Panduit Corp.
- Masud Bolouri-Saransar
- G01 - MEASURING TESTING
Information Patent Application
SELF CALIBRATION BY SIGNAL INJECTION
- Publication number 20210166869
- Publication date Jun 3, 2021
- Panoramic Power Ltd.
- Daniel ALJADEFF
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MAGNETIC FIELD DETECTION DEVICE AND METHOD OF DETECTING MAGNETIC FIELD
- Publication number 20200200838
- Publication date Jun 25, 2020
- TDK Corporation
- Hiroshi Kiyono
- G01 - MEASURING TESTING
Information Patent Application
Absence of Voltage Detector
- Publication number 20190383860
- Publication date Dec 19, 2019
- Panduit Corp.
- Masud Bolouri-Saransar
- G01 - MEASURING TESTING
Information Patent Application
SWITCH-MODE POWER SUPPLY AND VOLTAGE SAMPLING CIRCUIT THEREOF
- Publication number 20190339309
- Publication date Nov 7, 2019
- BYD COMPANY LIMITED
- Xingfu JIANG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ELECTRIC POWER CONTROL UNIT
- Publication number 20190190432
- Publication date Jun 20, 2019
- Toyota Jidosha Kabushiki Kaisha
- Wataru Nakayama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ISOLATED POWER TRANSFER WITH INTEGRATED TRANSFORMER AND VOLTAGE CON...
- Publication number 20190181764
- Publication date Jun 13, 2019
- Silicon Laboratories Inc.
- Krishna Pentakota
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Electric Quantity Measuring Device Comprising An Analog-Digital Con...
- Publication number 20190094813
- Publication date Mar 28, 2019
- POLITECNICO DI MILANO
- Giorgio Ferrari
- G04 - HOROLOGY
Information Patent Application
PROVING UNIT FOR NON-CONTACT VOLTAGE MEASUREMENT SYSTEMS
- Publication number 20180136302
- Publication date May 17, 2018
- FLUKE CORPORATION
- David L. Epperson
- G01 - MEASURING TESTING
Information Patent Application
CURRENT DETECTING APPARATUS
- Publication number 20180074098
- Publication date Mar 15, 2018
- Delta Electronics, Inc.
- Chun-Wei WU
- G01 - MEASURING TESTING
Information Patent Application
CURRENT DETECTION CIRCUIT NOT AFFECTED BY NOISE
- Publication number 20180067148
- Publication date Mar 8, 2018
- FANUC CORPORATION
- Kunio TSUCHIDA
- G01 - MEASURING TESTING
Information Patent Application
POTENTIAL MEASUREMENT DEVICE AND ATOMIC FORCE MICROSCOPE
- Publication number 20140223614
- Publication date Aug 7, 2014
- Takeshi Fukuma
- B82 - NANO-TECHNOLOGY
Information Patent Application
AC VOLTAGE DETECTING CIRCUIT AND IMAGE FORMING APPARATUS HAVING THE...
- Publication number 20130038318
- Publication date Feb 14, 2013
- BROTHER KOGYO KABUSHIKI KAISHA
- Katsumi Inukai
- G01 - MEASURING TESTING
Information Patent Application
CURRENT DETECTION CIRCUIT AND TRANSFORMER CURRENT MEASURING SYSTEM
- Publication number 20110163738
- Publication date Jul 7, 2011
- SHINDENGEN ELECTRIC MANUFACTURING CO., LTD
- Yasunori Hakoda
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
APPARATUS AND METHOD FOR DC VOLTAGE MEASUREMENT
- Publication number 20100289481
- Publication date Nov 18, 2010
- SILICON MOTION, INC.
- Li Shuo HSIAO
- G01 - MEASURING TESTING
Information Patent Application
VOLTAGE DETECTION DEVICE AND VOLTAGE DETECTION METHOD
- Publication number 20100164480
- Publication date Jul 1, 2010
- Tsuyoshi Morita
- G01 - MEASURING TESTING
Information Patent Application
CURRENT MEASUREMENT DEVICE WITH ELECTRICAL ISOLATION, ELECTRONIC TR...
- Publication number 20100045263
- Publication date Feb 25, 2010
- SCHNEIDER ELECTRIC INDUSTRIES SAS
- Yvan Cadoux
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
VOLTAGE DETECTION DEVICE AND VOLTAGE DETECTION METHOD
- Publication number 20090190376
- Publication date Jul 30, 2009
- NISSAN MOTOR CO., LTD.
- Tsuyoshi Morita
- G01 - MEASURING TESTING
Information Patent Application
Measuring circuit
- Publication number 20030222511
- Publication date Dec 4, 2003
- Ullrich Hetzler
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Electrical quantity sensor
- Publication number 20030076086
- Publication date Apr 24, 2003
- Isoshi Takeda
- G01 - MEASURING TESTING

using conversion of dc into ac

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Absence of voltage detector

Amplifier circuitry and current sensor having the same

Signal detection circuit

Self calibration by double signal sampling

Self calibration by signal injection

Magnetic field detection device and method of detecting magnetic field

Absence of voltage detector

Voltage on-off detector and electronic device including the same

Current detection circuit not affected by noise

Electric quantity measuring device comprising an analog-digital con...

Proving unit for non-contact voltage measurement systems

Isolated power transfer with integrated transformer and voltage con...

Proving unit for voltage measurement systems

Current detecting apparatus

Isolated power transfer device

AC voltage detecting circuit and image forming apparatus having the...

Current detection circuit and transformer current measuring system

Current measurement signal device with electrical isolation, electr...

Apparatus and method for DC voltage measurement

Voltage detection device and voltage detection method

Voltage detection device and voltage detection method

Current, voltage and temperature measuring circuit

Electrical quantity sensor

Circuit arrangement for accurately detecting a direct current deriv...

Precision rectifier system with differential input and differential...

Input switching in electronic watthour meter

Light meter

Demodulator circuit for chopper amplifier

Electric current chopper

Chopper-multiplexer system for measurement of remote low-level signals

Patents Applicationslast 30 patents

CALIBRATION FOR ROUTING RESISTANCE INDUCED ERROR

ABSENCE OF VOLTAGE DETECTOR

ESTIMATION SYSTEM

TEST DEVICE

CURRENT SENSING APPARATUS

SIGNAL DETECTION CIRCUIT

AMPLIFIER CIRCUITRY AND CURRENT SENSOR HAVING THE SAME

Absence of Voltage Detector

SELF CALIBRATION BY SIGNAL INJECTION

MAGNETIC FIELD DETECTION DEVICE AND METHOD OF DETECTING MAGNETIC FIELD

Absence of Voltage Detector

SWITCH-MODE POWER SUPPLY AND VOLTAGE SAMPLING CIRCUIT THEREOF

ELECTRIC POWER CONTROL UNIT

ISOLATED POWER TRANSFER WITH INTEGRATED TRANSFORMER AND VOLTAGE CON...

Electric Quantity Measuring Device Comprising An Analog-Digital Con...

PROVING UNIT FOR NON-CONTACT VOLTAGE MEASUREMENT SYSTEMS

CURRENT DETECTING APPARATUS

CURRENT DETECTION CIRCUIT NOT AFFECTED BY NOISE

POTENTIAL MEASUREMENT DEVICE AND ATOMIC FORCE MICROSCOPE

AC VOLTAGE DETECTING CIRCUIT AND IMAGE FORMING APPARATUS HAVING THE...

CURRENT DETECTION CIRCUIT AND TRANSFORMER CURRENT MEASURING SYSTEM

APPARATUS AND METHOD FOR DC VOLTAGE MEASUREMENT

VOLTAGE DETECTION DEVICE AND VOLTAGE DETECTION METHOD

CURRENT MEASUREMENT DEVICE WITH ELECTRICAL ISOLATION, ELECTRONIC TR...

VOLTAGE DETECTION DEVICE AND VOLTAGE DETECTION METHOD

Measuring circuit

Electrical quantity sensor