using back-emf in windings

Industry

CPC
H02P6/182

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Parent Industries

HELECTRICITY H02Electric power H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS H02P6/00Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position Electronic commutators therefor

Current Industry

H02P6/182using back-emf in windings

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Method of determining a position of a rotor of a brushless permanen...
- Patent number 12,316,265
- Issue date May 27, 2025
- Dyson Technology Limited
- Máté Horvát
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Motor driver, motor drive system, and method of driving motor
- Patent number 12,301,155
- Issue date May 13, 2025
- LX Semicon Co., Ltd.
- Jang Hyun Yoon
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method for controlling a BLDC motor and corresponding control circuit
- Patent number 12,301,156
- Issue date May 13, 2025
- STMicroelectronics S.r.l.
- Giuseppe D'Angelo
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Apparatus and method for calibrating motor position offset using ba...
- Patent number 12,294,329
- Issue date May 6, 2025
- HL MANDO CORPORATION
- Awab Ali
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Wearable device
- Patent number 12,293,024
- Issue date May 6, 2025
- Samsung Display Co., Ltd.
- Cheon Myeong Lee
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Back electromotive force sensing circuit, back electromotive force...
- Patent number 12,289,074
- Issue date Apr 29, 2025
- Silergy Semiconductor Technology (Hangzhou) Ltd.
- Zhenfeng Zhong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Molecular diagnostic assay system
- Patent number 12,280,379
- Issue date Apr 22, 2025
- CEPHEID
- Douglas B Dority
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Power tool including conduction angle control
- Patent number 12,267,035
- Issue date Apr 1, 2025
- Milwaukee Electric Tool Corporation
- Shuvam Gupta
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Braking methods
- Patent number 12,255,569
- Issue date Mar 18, 2025
- NIDEC GLOBAL APPLIANCE BRASIL LTDA.
- Claudio Eduardo Soares
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Motor control device and electric pump device
- Patent number 12,249,947
- Issue date Mar 11, 2025
- NIDEC POWERTRAIN SYSTEMS CORPORATION
- Yasuhiro Shirai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power conversion device
- Patent number 12,244,254
- Issue date Mar 4, 2025
- Daikin Industries, Ltd.
- Masahiro Yamamoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electric motor fault detection
- Patent number 12,224,692
- Issue date Feb 11, 2025
- NXP USA, INC.
- Matej Pacha
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Magnetic disk device and method
- Patent number 12,217,769
- Issue date Feb 4, 2025
- Kabushiki Kaisha Toshiba
- Sho Suzuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Motor controller and a method for controlling a motor
- Patent number 12,212,270
- Issue date Jan 28, 2025
- Texas Instruments Incorporated
- Sameer Pradeep Kulkarni
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Motor control device, electric vehicle, and motor control method
- Patent number 12,199,539
- Issue date Jan 14, 2025
- Hitachi Astemo, Ltd.
- Katsuhiro Hoshino
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method and circuit arrangement for controlling a stepper motor
- Patent number 12,176,841
- Issue date Dec 24, 2024
- Analog Devices International Unlimited Company
- Bernhard Karl-Heinz Dwersteg
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Systems and methods for starting a sensorless motor
- Patent number 12,140,608
- Issue date Nov 12, 2024
- AEROVIRONMENT, INC.
- Bart Dean Hibbs
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Troubleshooting system and method for current sensors
- Patent number 12,105,176
- Issue date Oct 1, 2024
- Delta Electronics, Inc.
- Kuo-Heng Chao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Hand-held electrically powered cut-off tool with a kickback mitigat...
- Patent number 12,103,201
- Issue date Oct 1, 2024
- Husqvarna AB
- Magnus Rosén
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Direct drive system for brushless DC (BLDC) motor
- Patent number 12,095,403
- Issue date Sep 17, 2024
- IRP NEXUS GROUP LTD
- Paul Price
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Driving of a single coil brushless DC motor
- Patent number 12,088,234
- Issue date Sep 10, 2024
- MELEXIS BULGARIA EOOD
- Dimitar Todorov
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Circuit and method for driving stepping motor
- Patent number 12,088,155
- Issue date Sep 10, 2024
- Rohm Co., Ltd.
- Hiroki Hashimoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Observer-based ripple detection for speed and position measurement...
- Patent number 12,081,159
- Issue date Sep 3, 2024
- Texas Instruments Incorporated
- Venkata Naresh Kotikelapudi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Sensorless commutation error compensation system and method for bru...
- Patent number 12,068,713
- Issue date Aug 20, 2024
- Ningbo Institute of Technology, Beihang University
- Gang Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control device of permanent magnet type rotating electrical machine
- Patent number 12,065,038
- Issue date Aug 20, 2024
- Mitsubishi Electric Corporation
- Yoshimasa Nishijima
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Program burning device and current-protection detection method thereof
- Patent number 12,044,766
- Issue date Jul 23, 2024
- Delta Electronics, Inc.
- Kuo-Heng Chao
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method for ascertaining, without an encoder, a rotational angle pos...
- Patent number 12,040,735
- Issue date Jul 16, 2024
- Andreas Stihl AG & Co KG
- Jan Lukas Braun
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Rectifier
- Patent number 12,027,940
- Issue date Jul 2, 2024
- Rolls-Royce PLC
- David R. Trainer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Motor control apparatus configured to control command value of exci...
- Patent number 12,019,388
- Issue date Jun 25, 2024
- Canon Kabushiki Kaisha
- Masatoshi Itoh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Motor drive circuit, motor system, and electric device
- Patent number 12,015,363
- Issue date Jun 18, 2024
- Rohm Co., Ltd.
- Yoshito Otaguro
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
MOTOR CONTROLLER AND A METHOD FOR CONTROLLING A MOTOR
- Publication number 20250183823
- Publication date Jun 5, 2025
- TEXAS INSTRUMENTS INCORPORATED
- Sameer Pradeep Kulkarni
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
FLUX-MNEMONIC PERMANENT MAGNET SYNCHRONOUS MACHINE AND MAGNETIZING...
- Publication number 20250167653
- Publication date May 22, 2025
- Jacobi Motors, LLC
- Nicolaus Radford
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER MOVING PANEL SYSTEM
- Publication number 20250158545
- Publication date May 15, 2025
- INTEVA PRODUCTS, LLC
- Vincent Condaminet
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MOTOR SYSTEM OF ACCURATE BACK-ELECTROMOTIVE FORCE DETECTION AND OPE...
- Publication number 20250125748
- Publication date Apr 17, 2025
- Artery Technology Company
- Ming-Tsan Lin
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SYSTEMS, APPARATUSES, AND METHODS TO PERFORM STARTUP STEP DETECTION...
- Publication number 20250112565
- Publication date Apr 3, 2025
- STMicroelectronics International N.V.
- Harsha ADEMANE
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SENSORLESS TRAPEZOIDAL MOTOR CONTROL
- Publication number 20250112568
- Publication date Apr 3, 2025
- TEXAS INSTRUMENTS INCORPORATED
- RAJAN LAKSHMI NARASIMHA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ELECTRIC MACHINE ASSEMBLY AND METHOD OF OPERATING THE SAME
- Publication number 20250105773
- Publication date Mar 27, 2025
- GENERAL ELECTRIC COMPANY
- Pushkar Chandrakant Chaudhari
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
FORCED DISCHARGE APPARATUS AND METHOD FOR HIGH VOLTAGE COMPONENT
- Publication number 20250062706
- Publication date Feb 20, 2025
- Hyundai Motor Company
- Do Yeon Ku
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SYSTEMS AND METHODS FOR STARTING A SENSORLESS MOTOR
- Publication number 20250035663
- Publication date Jan 30, 2025
- AeroVironment, Inc.
- Bart Dean Hibbs
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Stepper Motor Stall Detection
- Publication number 20250038684
- Publication date Jan 30, 2025
- Analog Devices International Unlimited Company
- Bernhard Karl-Heinz Dwersteg
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER TOOL INCLUDING CONDUCTION ANGLE CONTROL
- Publication number 20240333180
- Publication date Oct 3, 2024
- Milwaukee Electric Tool Corporation
- Shuvam Gupta
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
APPARATUS AND METHOD FOR CALIBRATING MOTOR POSITION OFFSET USING BA...
- Publication number 20240297600
- Publication date Sep 5, 2024
- HL MANDO CORPORATION
- Awab ALI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD AND CIRCUIT ARRANGEMENT FOR CONTROLLING A STEPPER MOTOR
- Publication number 20240266977
- Publication date Aug 8, 2024
- Analog Devices International Unlimited Company
- BERNHARD KARL-HEINZ DWERSTEG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
OPTIMIZED MOTOR DRIVE FOR AIR CORE MOTORS
- Publication number 20240235440
- Publication date Jul 11, 2024
- Christopher GABRYS
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Driving circuit, system and method for resonant device
- Publication number 20240235439
- Publication date Jul 11, 2024
- Realtek Semiconductor Corp.
- Jen-Chieh Tan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
FLUX-MNEMONIC PERMANENT MAGNET SYNCHRONOUS MACHINE AND MAGNETIZING...
- Publication number 20240186874
- Publication date Jun 6, 2024
- Jacobi Motors, LLC
- Nicolaus Radford
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DC MOTOR COMPRISING ACCELERATOR AND ENERGY STORAGE RING
- Publication number 20240178772
- Publication date May 30, 2024
- Zhenya ZHANG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BRUSHLESS PERMANENT MAGNET MOTOR
- Publication number 20240154549
- Publication date May 9, 2024
- Dyson Technology Limited
- Máté HORVÁT
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
OPTIMIZED MOTOR DRIVE FOR AIR CORE MOTORS
- Publication number 20240136960
- Publication date Apr 25, 2024
- Christopher GABRYS
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SINGLE CHIP ADVANCED ADAPTIVE SENSORLESS MOTOR SHAFT POSITION DETEC...
- Publication number 20240128901
- Publication date Apr 18, 2024
- Miroslav Oljaca
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SENSORLESS MOTOR CONTROL FOR A POWER TOOL
- Publication number 20240100677
- Publication date Mar 28, 2024
- Milwaukee Electric Tool Corporation
- Timothy R. Obermann
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
MOTOR CONTROL CIRCUIT AND CONTROL METHOD
- Publication number 20240097596
- Publication date Mar 21, 2024
- JIANGSU DONGCHENG TOOLS TECHNOLOGY CO., LTD.
- Haodong WANG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MOTOR DRIVER, MOTOR DRIVE SYSTEM, AND METHOD OF DRIVING MOTOR
- Publication number 20240072693
- Publication date Feb 29, 2024
- LX Semicon Co., Ltd.
- Jang Hyun YOON
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BRAKING METHODS
- Publication number 20240039433
- Publication date Feb 1, 2024
- NIDEC GLOBAL APPLIANCE BRASIL LTDA.
- Claudio Eduardo SOARES
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Using a Deadtime Interval for Back EMF Acquisition and Measurement
- Publication number 20240039438
- Publication date Feb 1, 2024
- MICROCHIP TECHNOLOGY INCORPORATED
- Gheorghe Turcan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SENSORLESS MOTOR ASSEMBLY AND METHOD OF CONTROLLING THE SAME
- Publication number 20240039437
- Publication date Feb 1, 2024
- TECHTRONIC CORDLESS GP
- Hai Ming LUO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CURRENT BASED RESONANT FREQUENCY TRACKING SYSTEM
- Publication number 20240030843
- Publication date Jan 25, 2024
- Maxim Integrated Products, Inc.
- Vivek Prakash Nigam
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SENSORLESS OBSERVER WITH HARMONIC COMPENSATION
- Publication number 20240007031
- Publication date Jan 4, 2024
- HAMILTON SUNDSTRAND CORPORATION
- Jonathan Mark ROADLEY-BATTIN
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MOTOR CONTROL DEVICE AND ELECTRIC PUMP DEVICE
- Publication number 20240007030
- Publication date Jan 4, 2024
- NIDEC POWERTRAIN SYSTEMS CORPORATION
- Yasuhiro SHIRAI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
WEARABLE DEVICE
- Publication number 20230409120
- Publication date Dec 21, 2023
- SAMSUNG DISPLAY CO., LTD.
- Cheon Myeong LEE
- G06 - COMPUTING CALCULATING COUNTING

using back-emf in windings

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method of determining a position of a rotor of a brushless permanen...

Motor driver, motor drive system, and method of driving motor

Method for controlling a BLDC motor and corresponding control circuit

Apparatus and method for calibrating motor position offset using ba...

Wearable device

Back electromotive force sensing circuit, back electromotive force...

Molecular diagnostic assay system

Power tool including conduction angle control

Braking methods

Motor control device and electric pump device

Power conversion device

Electric motor fault detection

Magnetic disk device and method

Motor controller and a method for controlling a motor

Motor control device, electric vehicle, and motor control method

Method and circuit arrangement for controlling a stepper motor

Systems and methods for starting a sensorless motor

Troubleshooting system and method for current sensors

Hand-held electrically powered cut-off tool with a kickback mitigat...

Direct drive system for brushless DC (BLDC) motor

Driving of a single coil brushless DC motor

Circuit and method for driving stepping motor

Observer-based ripple detection for speed and position measurement...

Sensorless commutation error compensation system and method for bru...

Control device of permanent magnet type rotating electrical machine

Program burning device and current-protection detection method thereof

Method for ascertaining, without an encoder, a rotational angle pos...

Rectifier

Motor control apparatus configured to control command value of exci...

Motor drive circuit, motor system, and electric device

Patents Applicationslast 30 patents

MOTOR CONTROLLER AND A METHOD FOR CONTROLLING A MOTOR

FLUX-MNEMONIC PERMANENT MAGNET SYNCHRONOUS MACHINE AND MAGNETIZING...

POWER MOVING PANEL SYSTEM

MOTOR SYSTEM OF ACCURATE BACK-ELECTROMOTIVE FORCE DETECTION AND OPE...

SYSTEMS, APPARATUSES, AND METHODS TO PERFORM STARTUP STEP DETECTION...

SENSORLESS TRAPEZOIDAL MOTOR CONTROL

ELECTRIC MACHINE ASSEMBLY AND METHOD OF OPERATING THE SAME

FORCED DISCHARGE APPARATUS AND METHOD FOR HIGH VOLTAGE COMPONENT

SYSTEMS AND METHODS FOR STARTING A SENSORLESS MOTOR

Stepper Motor Stall Detection

POWER TOOL INCLUDING CONDUCTION ANGLE CONTROL

APPARATUS AND METHOD FOR CALIBRATING MOTOR POSITION OFFSET USING BA...

METHOD AND CIRCUIT ARRANGEMENT FOR CONTROLLING A STEPPER MOTOR

OPTIMIZED MOTOR DRIVE FOR AIR CORE MOTORS

Driving circuit, system and method for resonant device

FLUX-MNEMONIC PERMANENT MAGNET SYNCHRONOUS MACHINE AND MAGNETIZING...

DC MOTOR COMPRISING ACCELERATOR AND ENERGY STORAGE RING

BRUSHLESS PERMANENT MAGNET MOTOR

OPTIMIZED MOTOR DRIVE FOR AIR CORE MOTORS

SINGLE CHIP ADVANCED ADAPTIVE SENSORLESS MOTOR SHAFT POSITION DETEC...

SENSORLESS MOTOR CONTROL FOR A POWER TOOL

MOTOR CONTROL CIRCUIT AND CONTROL METHOD

MOTOR DRIVER, MOTOR DRIVE SYSTEM, AND METHOD OF DRIVING MOTOR

BRAKING METHODS

Using a Deadtime Interval for Back EMF Acquisition and Measurement

SENSORLESS MOTOR ASSEMBLY AND METHOD OF CONTROLLING THE SAME

CURRENT BASED RESONANT FREQUENCY TRACKING SYSTEM

SENSORLESS OBSERVER WITH HARMONIC COMPENSATION

MOTOR CONTROL DEVICE AND ELECTRIC PUMP DEVICE

WEARABLE DEVICE