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

Patents Grantslast 30 patents

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
Information Patent Grant
Method of determining a position of a rotor of a brushless permanen...
- Patent number 12,015,368
- Issue date Jun 18, 2024
- Dyson Technology Limited
- Nikita Shmidt
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Motor inverter
- Patent number 11,982,729
- Issue date May 14, 2024
- Delta Electronics, Inc.
- Kuo-Heng Chao
- G01 - MEASURING TESTING
Information Patent Grant
Method for determining operational parameters of a blood pump
- Patent number 11,959,497
- Issue date Apr 16, 2024
- Berlin Heart GmbH
- Marcus Granegger
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Power tool including conduction angle control
- Patent number 11,949,362
- Issue date Apr 2, 2024
- Milwaukee Electric Tool Corporation
- Shuvam Gupta
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Semiconductor device, motor drive system, and method of starting motor
- Patent number 11,942,890
- Issue date Mar 26, 2024
- Renesas Electronics Corporation
- Satoshi Narumi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Flux-mnemonic permanent magnet synchronous machine and magnetizing...
- Patent number 11,936,256
- Issue date Mar 19, 2024
- Jacobi Motors, LLC
- Nicolaus Radford
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Integrated assembly of an electric winding exchanger system and a m...
- Patent number 11,901,845
- Issue date Feb 13, 2024
- Ali Sarikhani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Methods and systems of sensing back-electromotive force in electric...
- Patent number 11,888,431
- Issue date Jan 30, 2024
- STMicroelectronics S.r.l.
- Ezio Galbiati
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Motor unit and personal care device comprising a motor unit
- Patent number 11,881,799
- Issue date Jan 23, 2024
- Braun GmbH
- Andre Thunot
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Position or velocity control system and method
- Patent number 11,874,644
- Issue date Jan 16, 2024
- Texas Instruments Incorporated
- Rajan Lakshmi Narasimha
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Position observer for electrical machines
- Patent number 11,876,477
- Issue date Jan 16, 2024
- Technelec Ltd.
- Charles Pollock
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Motor driver and method of driving motor
- Patent number 11,863,110
- Issue date Jan 2, 2024
- LX Semicon Co., Ltd.
- Il Kwon Kim
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and device for adjusting permanent magnet motor, equipment,...
- Patent number 11,863,109
- Issue date Jan 2, 2024
- CRRC YONGJI ELECTRIC CO., LTD.
- Xiuhui Xue
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

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
Information Patent Application
A HAND-HELD ELECTRICALLY POWERED CUT-OFF TOOL WITH A KICKBACK MITIG...
- Publication number 20230396056
- Publication date Dec 7, 2023
- HUSQVARNA AB
- Magnus Rosén
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Application
LOW-SPEED SENSORLESS BRUSHLESS MOTOR CONTROL IN A POWER TOOL
- Publication number 20230361697
- Publication date Nov 9, 2023
- Black & Decker Inc.
- Shailesh P. WAIKAR
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
METHOD FOR CONTROLLING A BLDC MOTOR AND CORRESPONDING CONTROL CIRCUIT
- Publication number 20230353071
- Publication date Nov 2, 2023
- STMicroelectronics S.r.l
- Giuseppe D'Angelo
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD OF DETERMINING A POSITION OF A ROTOR OF A BRUSHLESS PERMANEN...
- Publication number 20230327587
- Publication date Oct 12, 2023
- Dyson Technology Limited
- Máté HORVÁT
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BLDC MOTOR SYSTEM WITH REDUCED POWER LOSS AND THE INITIAL ROTATION...
- Publication number 20230318495
- Publication date Oct 5, 2023
- Chengdu Monolithic Power Systems Co., Ltd.
- Hongqiang Qin
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DIRECT DRIVE SYSTEM FOR BRUSHLESS DC (BLDC) MOTOR
- Publication number 20230283210
- Publication date Sep 7, 2023
- IRP NEXUS GROUP LTD
- Paul PRICE
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
INTEGRATED ASSEMBLY OF AN ELECTRIC WINDING EXCHANGER SYSTEM AND A M...
- Publication number 20230283213
- Publication date Sep 7, 2023
- Ali Sarikhani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERSION DEVICE
- Publication number 20230275533
- Publication date Aug 31, 2023
- DAIKIN INDUSTRIES, LTD.
- Masahiro YAMAMOTO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

using back-emf in windings

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

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

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

Motor inverter

Method for determining operational parameters of a blood pump

Power tool including conduction angle control

Semiconductor device, motor drive system, and method of starting motor

Flux-mnemonic permanent magnet synchronous machine and magnetizing...

Integrated assembly of an electric winding exchanger system and a m...

Methods and systems of sensing back-electromotive force in electric...

Motor unit and personal care device comprising a motor unit

Position or velocity control system and method

Position observer for electrical machines

Motor driver and method of driving motor

Method and device for adjusting permanent magnet motor, equipment,...

Patents Applicationslast 30 patents

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

A HAND-HELD ELECTRICALLY POWERED CUT-OFF TOOL WITH A KICKBACK MITIG...

LOW-SPEED SENSORLESS BRUSHLESS MOTOR CONTROL IN A POWER TOOL

METHOD FOR CONTROLLING A BLDC MOTOR AND CORRESPONDING CONTROL CIRCUIT

METHOD OF DETERMINING A POSITION OF A ROTOR OF A BRUSHLESS PERMANEN...

BLDC MOTOR SYSTEM WITH REDUCED POWER LOSS AND THE INITIAL ROTATION...

DIRECT DRIVE SYSTEM FOR BRUSHLESS DC (BLDC) MOTOR

INTEGRATED ASSEMBLY OF AN ELECTRIC WINDING EXCHANGER SYSTEM AND A M...

POWER CONVERSION DEVICE