ClassID:

218290

H02P8/18 - CPC Classification

Classification description:

Arrangements for controlling dynamo-electric motors of the kind having motors rotating step by step; Arrangements for controlling speed or speed and torque Shaping of pulses, e.g. to reduce torque ripple

Recent Application in this class:
#1
20250096706
2025-03-20

MOTOR CONTROL DEVICE, OPTICAL APPARATUS, MOTOR CONTROL METHOD, AND STORAGE MEDIUM

#2
20250055394
2025-02-13

Stepper motor control

#3
20240364244
2024-10-31

CONTROL METHOD FOR STEPPING MOTOR OF THERMAL PRINTER

#4
20240030046
2024-01-25

CONTROL DEVICE, SUBSTRATE PROCESSING SYSTEM, AND METHOD OF CONTROLLING VACUUM VALVE DEVICE

#5
20230170832
2023-06-01

Motor control device

#6
20220399839
2022-12-15

AC machine controlled via amplitude modulation

#7
20220278635
2022-09-01

Method of operating a stepper motor in a dental tool machine

#8
20210091694
2021-03-25

Stepping motor control device, timepiece and method for controlling stepping motor

#9
20200403541
2020-12-24

Motor control device, motor control method, and optical apparatus

#10
20200389105
2020-12-10

Motor control device and motor control method, and optical device

#11
20200313583
2020-10-01

Motor driving apparatus, motor driving method, and timepiece

#12
20200280272
2020-09-03

Driving circuit and driving method of stepping motor and electronic machine using the same

#13
20200274469
2020-08-27

Driving circuit and driving method of stepping motor and electronic machine using the same

#14
20200249630
2020-08-06

Timepiece and motor control method

#15
20180331641
2018-11-15

Control device, optical apparatus, control method, and storage medium

#16
20180331640
2018-11-15

Control device, optical device, control method, and storage medium

#17
20180264861
2018-09-20

Printer, method of controlling printer, and storage medium

#18
20180069496
2018-03-08

Electric motor control device, electric motor system and electric motor control method

#19
20180011471
2018-01-11

Motor controller, motor driver, and motor driving system

#20
20170373622
2017-12-28

Motor control device and motor controlling method

#21
20170366124
2017-12-21

STEPPING MOTOR DRIVE DEVICE

#22
20170194886
2017-07-06

Method and circuit arrangement for controlling a stepper motor

#23
20170005591
2017-01-05

Power conversion system

#24
20160352271
2016-12-01

Stepper motor driver circuit

#25
20160352270
2016-12-01

Control device and method for stepper motor that ensure improved performance of stepper motor during activation period

#26
20160315571
2016-10-27

Motor driving device and driving method of the same

#27
20160311229
2016-10-27

Motor control device and printer device

#28
20160301343
2016-10-13

Drive controller of instrument

#29
20160268954
2016-09-15

Motor health monitoring and medical device incorporating same

#30
20150160619
2015-06-11

Electronic clock

#31
20150145202
2015-05-28

Stepping motor control device and conveying device provided with the same

#32
20140049200
2014-02-20

Control device and stepping motor control method

#33
20140035496
2014-02-06

Motor control apparatus and motor control method

#34
20130253421
2013-09-26

Motor health monitoring and medical device incorporating same

#35
20100244763
2010-09-30

Circuit arrangement for load-dependent control of current flow time in motor windings of self-timed bipolar stepper motors

#36
20100141199
2010-06-10

Motor drive circuit

#37
20090160383
2009-06-25

Electric machine

#38
20080238353
2008-10-02

Image forming apparatus and method

#39
20070200527
2007-08-30

Stepping motor driving device

#40
20070057595
2007-03-15

System for controlling an electrostatic stepper motor

#41
20070024228
2007-02-01

STEPPING MOTOR DRIVE APPARATUS AND CONTROL METHOD THEREOF

#42
20060279166
2006-12-14

Electric machine

#43
20060072948
2006-04-06

Motor drive control apparatus, image forming apparatus, and control method for driving mechanisms