ClassID:

218549

H02P2209/07 - CPC Classification

Classification description:

Indexing scheme relating to controlling arrangements characterised by the waveform of the supplied voltage or current Trapezoidal waveform

Recent Application in this class:
#1
20260128704
2026-05-07

TOPOLOGICAL CIRCUIT AND CONTROL STRATEGY FOR DRIVING SWITCHED RELUCTANCE MOTOR (SRM)

#2
20260025092
2026-01-22

ELECTRONIC POWER SYSTEMS FOR BRUSHLESS ELECTRICAL MOTORS PROVIDED WITH FAIL-SAFE CIRCUITS

#3
20260012111
2026-01-08

Method for Operating a Position Sensorless BLDC Motor of an Oil Pump, Computer Program, Computer Program Product, Heat-Transfer Medium System, and Vehicle

#4
20240235437
2024-07-11

MOTOR CONTROL DEVICE

#5
20240136959
2024-04-25

MOTOR CONTROL DEVICE

#6
20240063732
2024-02-22

SYSTEM AND METHOD FOR CONTROLLING OPERATION OF A MOTOR

#7
20240014761
2024-01-11

MOTOR CONTROLLER

#8
20230361697
2023-11-09

LOW-SPEED SENSORLESS BRUSHLESS MOTOR CONTROL IN A POWER TOOL

#9
20230231425
2023-07-20

MOTOR AND CONTROL DEVICE THEREOF

#10
20230018916
2023-01-19

Rectifier

#11
20230016671
2023-01-19

Motor controller

#12
20220352839
2022-11-03

A MOTOR DRIVE SIGNAL GENERATOR

#13
20220329180
2022-10-13

Low-speed sensorless brushless motor control in a power tool

#14
20220190756
2022-06-16

Motor control device, motor control method, and motor unit

#15
20210281199
2021-09-09

Detection and control of electric machine with any combination of position sensor number of pole pairs and electric machine number of pole pairs

#16
20210203257
2021-07-01

Sensorless angle estimation for trapezoidal control

#17
20200343840
2020-10-29

Sensorless variable conduction control for brushless motor

#18
20200343839
2020-10-29

Low-speed sensorless brushless motor control in a power tool

#19
20200343838
2020-10-29

Dual-controller system for a sensorless brushless motor control

#20
20190212733
2019-07-11

Systems and methods for providing redundancy to electronic speed control systems

#21
20180069393
2018-03-08

Over temperature protection circuit and semiconductor device

#22
20160344314
2016-11-24

Control device for rotating electric machine

#23
20160311426
2016-10-27

Motor controller for hybrid vehicle

#24
20150229251
2015-08-13

Method for controlling an alternating current electric machine, and a frequency converter

#25
20140292244
2014-10-02

Control apparatus for switched reluctance motor

#26
20140265967
2014-09-18

Sine modified trapezoidal drive for brushless DC motors

#27
20130169196
2013-07-04

Brushless motor speed control system

#28
20130069580
2013-03-21

PWM signal output circuit

#29
20130038257
2013-02-14

Motor drive device, brushless motor, and motor drive method

#30
20120268052
2012-10-25

Motor control device and method of controlling the same

#31
20120181959
2012-07-19

DRIVING APPARATUS OF SENSORLESS BRUSHLESS MOTOR

#32
20120112682
2012-05-10

Method for detecting blockages of electrically commutated electric motors

#33
20120019177
2012-01-26

Power tool having an electric brake

#34
20110310714
2011-12-22

SENSORLESS MOTOR DRIVE DEVICE

#35
20110257791
2011-10-20

Controller for a brushless motor

#36
20110254489
2011-10-20

Control of a brushless motor

#37
20110254488
2011-10-20

Control of a brushless permanent-magnet motor

#38
20110254487
2011-10-20

Control of a brushless motor

#39
20110254486
2011-10-20

Control of a brushless motor

#40
20110254485
2011-10-20

Control of a brushless motor

#41
20110254483
2011-10-20

Control of a brushless motor

#42
20110254482
2011-10-20

Control of a brushless motor

#43
20110254481
2011-10-20

Control of a brushless motor

#44
20110254480
2011-10-20

Control of a brushless motor

#45
20110254476
2011-10-20

Control of a brushless motor

#46
20110068723
2011-03-24

System for operating DC motors and power converters

#47
20100327797
2010-12-30

Motor control apparatus and image forming apparatus

#48
20100315029
2010-12-16

Drive method to minimize vibration and acoustics in three phase brushless DC (TPDC) motors

#49
20100308760
2010-12-09

Circuit and method for driving motor

#50
20100264863
2010-10-21

Brushless motor control apparatus, brushless motor and control method of brushless motor

#51
20100148707
2010-06-17

Speed controller of magnetic motor

#52
20100045219
2010-02-25

Position detecting device and synchronous motor driving device using the same

#53
20100036510
2010-02-11

ELECTRONIC MOTOR CONTROLLER

#54
20100007297
2010-01-14

Sensorless drive for unipolar three phase brushless DC motors

#55
20090218974
2009-09-03

Driving brushless DC (BLDC) motors

#56
20090200975
2009-08-13

Motor drive apparatus and method for electric power steering system

#57
20090167220
2009-07-02

Motor control apparatus, vehicle fan drive apparatus, and motor control method

#58
20090134824
2009-05-28

BLDC motors

#59
20090134821
2009-05-28

Motor driving circuit

#60
20090128073
2009-05-21

Brushless motor control method and brushless motor

#61
20090128072
2009-05-21

Dual lane control of a permanent magnet brushless motor using non-trapezoidal commutation control

#62
20090128071
2009-05-21

Extrapolation of back EMF signals in brushless DC motors

#63
20090128070
2009-05-21

Brushless DC motor with reduced current ripple

#64
20090096397
2009-04-16

Relating to driving brushless DC (BLDC) motors

#65
20090072778
2009-03-19

Low speed synchronous motor drive operation

#66
20090028532
2009-01-29

Control device for driving a brushless DC motor

#67
20090021205
2009-01-22

Self-commissioning electronic motor controller determination

#68
20090009113
2009-01-08

Digital control of motor drives

#69
20090001907
2009-01-01

Commutation of an electromagnetic propulsion and guidance system

#70
20080292291
2008-11-27

Motor control method and device thereof

#71
20080157707
2008-07-03

Electric Motor And Method Of Controllling Said Motor

#72
20080018274
2008-01-24

Motor Driving Apparatus

#73
20070252542
2007-11-01

Method and apparatus for controlling brushless DC motors in implantable medical devices

#74
20070247091
2007-10-25

System for operating DC motors and power converters

#75
20070164691
2007-07-19

System and method for commutating a motor using back electromotive force signals

#76
20070152624
2007-07-05

Motor system, control method thereof, and compressor using the same

#77
20070132423
2007-06-14

Position detecting device and synchronous motor driving device using the same

#78
20070069677
2007-03-29

System and method for applying energy to a motor

#79
20070069676
2007-03-29

System and method for commutating a motor

#80
20070069675
2007-03-29

System and method for attenuating noise associated with a back electromotive force signal in a motor

#81
20070069669
2007-03-29

System and method for starting and operating a motor

#82
20070069668
2007-03-29

System and method for evaluating back electromotive force in a motor

#83
20070047929
2007-03-01

DC brushless fan motor driving circuit

#84
20070013339
2007-01-18

Motor control method and device thereof

#85
20060261773
2006-11-23

Method, system, and program product for feedback control of a target system utilizing imposition of a periodic modulating signal onto a command signal

#86
20060238158
2006-10-26

Digital control of motor drives

#87
20060222345
2006-10-05

Sensorless brushless direct current motor drive using pulse width modulation speed control at motor frequency

#88
20060192511
2006-08-31

Brushless Motor

#89
20060175064
2006-08-10

Electric submersible pumps

#90
20060145652
2006-07-06

Motor drive controlling device and electric power-steering device

#91
20060125440
2006-06-15

Controller for a synchronous motor

#92
20060087264
2006-04-27

Motor control circuit and method thereof

#93
20060056821
2006-03-16

Rotor-position sensor assembly and method for detecting a rotor position

#94
20060038518
2006-02-23

Semiconductor integrated circuit including a motor driving control apparatus having an amplitude regulation circuit

#95
20060028161
2006-02-09

Motor driving apparatus and motor driving method

#96
20060023337
2006-02-02

Brushless motor and disk drive apparatus

#97
20060001392
2006-01-05

Motor drive apparatus, electric actuator and electric power steering apparatus

#98
20050258788
2005-11-24

Motor driving apparatus

#99
20050248305
2005-11-10

Method, system, and program product for feedback control of a target system utilizing imposition of a periodic modulating signal onto a command signal

#100
20050189828
2005-09-01

Motor, method for manufacturing motor, and motor drive controller

#101
20050184689
2005-08-25

Adaptive electric motors and generators providing improved performance and efficiency

#102
20050110442
2005-05-26

Torque ripple and audible noise reduction in an electric machine

#103
20050046375
2005-03-03

Software-based adaptive control system for electric motors and generators

#104
20050046371
2005-03-03

Method and apparatus for controlling a brushless DC motor

#105
20050012486
2005-01-20

Variable speed drive with a synchronous electric motor

#106
20050007045
2005-01-13

Motor driving control method and apparatus with amplitude regulation circuit

#107
16145543
2020-07-14

Robot electronics unit (REU) motor controller board (MCB)