ClassID:

218243

H02P7/0094 - CPC Classification

Classification description:

Arrangements for regulating or controlling the speed or torque of electric DC motors wherein the position is detected using the ripple of the current caused by the commutator

Recent Application in this class:
#1
20250010704
2025-01-09

CONTROL MODULE FOR ADJUSTING FLAPS OF A VEHICLE

#2
20240380343
2024-11-14

TUNABLE CIRCUIT FOR ROTARY POSITION DETECTION

#3
20240267033
2024-08-08

MOTOR POSITION ESTIMATION USING CURRENT RIPPLES

#4
20230370000
2023-11-16

Resistance determination in an electric motor assembly

#5
20230318496
2023-10-05

SENSORLESS POSITION DETECTION FOR ELECTRIC MACHINE

#6
20230253899
2023-08-10

Compensation for historical error in dynamic observer-based ripple detection in brushed direct current motors

#7
20230118710
2023-04-20

Ripple count circuit including varying ripple threshold detection

#8
20220368331
2022-11-17

Parasitic pulse cancelation circuit

#9
20220368254
2022-11-17

Adjusting Device, Motor-Driven Valve and Method for Operating an Adjusting Device

#10
20220348073
2022-11-03

Control module for adjusting flaps of a vehicle

#11
20220173680
2022-06-02

Sensorless position detection for electric machine

#12
20220166354
2022-05-26

Resistance determination in an electric motor assembly

#13
20220069750
2022-03-03

Apparatus for detecting rotation of motor

#14
20220037974
2022-02-03

DC motor

#15
20210167704
2021-06-03

Systems and methods for calculating motor position, inertia and rest position in sensorless brushed DC motor control systems, and for determining seat occupant weight based on motor current

#16
20210075349
2021-03-11

Motor control device

#17
20210061087
2021-03-04

Control module for adjusting flaps of a vehicle

#18
20210044228
2021-02-11

Method and device for determining the rotational speed and the angle of rotation of a motor shaft of a mechanically commutated DC motor

#19
20200343842
2020-10-29

Ripple count circuit including varying ripple threshold detection

#20
20200328703
2020-10-15

Electromotive furniture drive, furniture, and method for detecting a position of an electromotive furniture drive

#21
20200204094
2020-06-25

Device for detecting rotation direction and method for detecting rotation direction of motor, and motor control device

#22
20200186062
2020-06-11

RIPPLE COUNTING FILTERING AND PEAK DETECTION METHOD AND SYSTEM

#23
20200119670
2020-04-16

Systems and methods for calculating motor position, inertia and rest position in sensorless brushed DC motor control systems

#24
20200062108
2020-02-27

Control module for adjusting flaps of a vehicle

#25
20200044588
2020-02-06

Motor control device and current ripple detection method for DC motor

#26
20190390500
2019-12-26

Anti-pinch method for an apparatus for automatic movement of sliding windows in a motor vehicle, in particular a power-window apparatus, and corresponding device

#27
20190253010
2019-08-15

Method and apparatus for controlling safety power window

#28
20190006970
2019-01-03

Optimizing comparator operation for a varying DC component input

#29
20180287529
2018-10-04

Vehicle motor control apparatus and method

#30
20180217544
2018-08-02

Image forming apparatus detecting status of motor

#31
20180167005
2018-06-14

Brushless direct current electric motor driving control method and system of electrical water pump

#32
20180013362
2018-01-11

Motor control device and game machine

#33
20170356667
2017-12-14

HVAC actuator

#34
20170346422
2017-11-30

Ripple current sensing type motor controlling apparatus and method thereof

#35
20170288582
2017-10-05

Systems and methods for calculating motor position, inertia and rest position in sensorless brushed DC motor control systems

#36
20150349617
2015-12-03

Method and apparatus for determining a rotor position and rotation speed of an electrical machine

#37
20150311839
2015-10-29

CIRCUIT FOR DETERMINING POSITION OF A MOVABLE MEMBER

#38
20150306977
2015-10-29

CONTROL DEVICE FOR A VEHICLE SEAT

#39
20150229254
2015-08-13

Angular frequency extractor for controlling a brushed DC motor

#40
20150212511
2015-07-30

Motor control device and correction data generation method in same

#41
20150061563
2015-03-05

Method and apparatus for monitoring rotational position of an electric machine

#42
20140070733
2014-03-13

Vehicle window opening and closing control device

#43
20140028235
2014-01-30

Method and device for processing a motor signal

#44
20140001815
2014-01-02

RIPPLE EXTRACTION DEVICE, MOTOR CONTROL APPARATUS, VEHICLE SEAT AND RIPPLE EXTRACTION METHOD

#45
20130154532
2013-06-20

Method for moving an element, which is driven by an electric motor inside a predetermined movement section between two block positions each formed as a limit stop, into a block position

#46
20130099718
2013-04-25

Ripple counter for multi-pole motors

#47
20130043820
2013-02-21

Processing a motor variable of a DC motor and actuating device for a motor vehicle

#48
20120091938
2012-04-19

Correction of counting errors in the evaluation of current ripples in a DC motor

#49
20120062156
2012-03-15

Automatic detection of a mechanically commutated DC motor

#50
20110270558
2011-11-03

Method and apparatus for processing a motor signal, having current ripple, of a DC motor

#51
20110262112
2011-10-27

Rotation detecting apparatus and rotation detecting system

#52
20110102214
2011-05-05

ROTATION ANGLE DETECTING DEVICE AND DRIVE UNIT

#53
20110033322
2011-02-10

Electrical motor activation method having load torque adaptation

#54
20100315032
2010-12-16

Method for determining the angular position of the rotor of a mechanically commutated d.c. servo motor

#55
20100259249
2010-10-14

Method and device for determining the position of a mobile closing part of a vehicle

#56
20100244764
2010-09-30

Apparatus for sensorless positioning with signal amplifier

#57
20100171457
2010-07-08

Detection of the angular position of the rotor of a brush motor without using sensors

#58
20100101312
2010-04-29

Apparatus and method for starter RPM detection

#59
20100033064
2010-02-11

Rotation detector and direct-current motor

#60
20090254300
2009-10-08

System and method for determining position or speed of a commutated DC motor with error correction

#61
20080298784
2008-12-04

Method of Sensing Speed of Electric Motors and Generators

#62
20080272726
2008-11-06

Control apparatus and method for controlling an adjusting device in a motor vehicle

#63
20080272715
2008-11-06

Position detection and external driver multiplexing system for DC motors

#64
20080131099
2008-06-05

Electric motor controller with brush position detector

#65
20080079380
2008-04-03

Method for the detection of the rotational position of the rotor of a DC motor with commutator

#66
20070273363
2007-11-29

Ripple detecting device

#67
20070194737
2007-08-23

Method of controlling movable member driven by electric motor

#68
20070194736
2007-08-23

Differential ripple detection method and system

#69
20070108969
2007-05-17

Rotational state detecting apparatus

#70
20070075660
2007-04-05

Voltage-sensitive oscillator frequency for rotor position detection scheme

#71
20070075657
2007-04-05

Method of selectable simultaneous/sequential motor drive in a multiple drive circuit including failure detection

#72
20070075656
2007-04-05

Position detection and external driver multiplexing system for DC motors

#73
20060076913
2006-04-13

Method and apparatus for controlling a DC motor by counting current pulses

#74
20060017412
2006-01-26

DC motor rotation information detecting device

#75
20050149292
2005-07-07

Method for detecting communication impulses of a fan motor and circuit arrangement for carrying out said method

#76
15263049
2017-10-10

Apparatus and method for controlling a ripple current sensing motor