H02P8/38 - CPC Classification Index

#1

20260045893

2026-02-12

MOTOR CONTROL DEVICE

#2

20250192702

2025-06-12

IMAGE FORMING APPARATUS

#3

20250038684

2025-01-30

Stepper Motor Stall Detection

#4

20250023496

2025-01-16

MOTOR DRIVE CONTROL DEVICE, MOTOR UNIT, AND MOTOR DRIVE CONTROL METHOD

#5

20240405701

2024-12-05

Methods and apparatus to detect a stall of a stepper motor

#6

20230268855

2023-08-24

Power transfer based stall detection techniques for stepper motor

#7

20230198433

2023-06-22

Stepping motor abnormality detecting device

#8

20220263441

2022-08-18

Motor Controller

#9

20220085739

2022-03-17

Controller of stepping motor, control method of stepping motor, and stepping motor drive controlling system

#10

20210083608

2021-03-18

Control device and motor drive system

#11

20210044229

2021-02-11

Motor drive control device, motor unit, and motor drive control method

#12

20200382028

2020-12-03

Control unit and method to detect stall or step-loss in a stepper motor

#13

20200295685

2020-09-17

Bipolar stepper motor driving device

#14

20200287487

2020-09-10

Controller of stepping motor, control method of stepping motor, and stepping motor drive controlling system

#15

20200266740

2020-08-20

Stall detection in stepper motors using differential back-EMF between rising and falling commutation phase of motor current

#16

20190332065

2019-10-31

Driving device and electronic timepiece

#17

20190222151

2019-07-18

Motor control apparatus and motor control method for reducing influence of magnetic fluxes from yokes

#18

20190190417

2019-06-20

Motor control device and step-out state detection method

#19

20190181785

2019-06-13

Motor control circuit, motor control device, actuator and control method for stepping motor

#20

20190158691

2019-05-23

Sheet conveyance apparatus and image forming apparatus

#21

20190109551

2019-04-11

Stall detection in stepper motors using differential back-EMF between rising and falling commutation phase of motor current

#22

20190058424

2019-02-21

Rotor position detection system

#23

20180287532

2018-10-04

Motor controller and control method for stepping motor

#24

20180274494

2018-09-27

Evaporated fuel treating device

#25

20180264861

2018-09-20

Printer, method of controlling printer, and storage medium

#26

20180088533

2018-03-29

Stepping motor, rotation detecting apparatus, and electronic timepiece

#27

20180062550

2018-03-01

Method for detecting stalling of an electric stepper motor, an electric stepper motor and a heating, ventilation and/or air conditioning system with an electric stepper motor

#28

20170373623

2017-12-28

Method and electronic circuit for stall detection

#29

20170346426

2017-11-30

APPARATUS AND METHOD TO DETECT STALL CONDITION OF A STEPPER MOTOR

#30

20170277130

2017-09-28

Driving device and electronic timepiece

#31

20170261939

2017-09-14

Driving device, stepping motor driving method, program, and electronic timepiece

#32

20170225327

2017-08-10

Robot arm mechanism and stepping motor control device

#33

20170163191

2017-06-08

Motor drive apparatus for driving stepping motor and control method therefor

#34

20170117836

2017-04-27

Driving device with stepper motor

#35

20170005603

2017-01-05

Controller for electric motor

#36

20160336886

2016-11-17

STEPPING MOTOR CONTROL DEVICE

#37

20160285398

2016-09-29

Motor control device and motor control method

#38

20160266555

2016-09-15

Dynamic pulse-width modulation motor control and medical device incorporating same

#39

20160238432

2016-08-18

Apparatuses and methods for monitoring stall of motors

#40

20160118919

2016-04-28

System and method for asynchronous permanent magnet motor operation

#41

20160013743

2016-01-14

Method and electronic circuit for motor stall detection

#42

20150326157

2015-11-12

Motor driving apparatus

#43

20150268642

2015-09-24

Apparatus comprising electromechanical device and motion detector and method for operating apparatus

#44

20150214878

2015-07-30

Motor control device and method for detecting out-of-step

#45

20150077033

2015-03-19

Stepping motor and system thereof

#46

20150042258

2015-02-12

Control device for stepping motor and control method for stepping motor

#47

20140341554

2014-11-20

Drive controller, image pickup apparatus, drive control method, and storage medium

#48

20140333250

2014-11-13

Image forming apparatus, motor control apparatus, and method of controlling a motor

#49

20140327385

2014-11-06

Motor drive apparatus for driving stepping motor and control method therefor

#50

20140292252

2014-10-02

Circuit and method for speed monitoring of an electric motor

#51

20140253788

2014-09-11

IMAGING DEVICE, MOTOR DRIVING DEVICE AND IMAGING METHOD

#52

20140239874

2014-08-28

Motor driving circuit, electronic device using the same, and driving method thereof

#53

20140231684

2014-08-21

Stepping motor and motorized valve using it

#54

20140176039

2014-06-26

Motor control device and control method of stepping motor

#55

20140139173

2014-05-22

Image forming apparatus, control method for the same, and motor state detector

#56

20140077749

2014-03-20

Method and apparatus to convert a minimally controlled pulse stream into a proper mechatronic trajectory

#57

20140071795

2014-03-13

Stepping motor control circuit, movement, and analog electronic timepiece

#58

20140071794

2014-03-13

Stepping motor control circuit, movement and analog electronic timepiece

#59

20140055076

2014-02-27

Occlusion detection using pulse-width modulation and medical device incorporating same

#60

20140055073

2014-02-27

Dynamic pulse-width modulation motor control and medical device incorporating same

#61

20130307460

2013-11-21

Drive circuit of stepping motor, integrated circuit thereof, and electronic equipment including same, and method for controlling drive circuit of stepping motor

#62

20130253420

2013-09-26

Occlusion detection using pulse-width modulation and medical device incorporating same

#63

20130253419

2013-09-26

Dynamic pulse-width modulation motor control and medical device incorporating same

#64

20130229139

2013-09-05

Motor control device and out-of-step detecting method of stepping motor

#65

20130226497

2013-08-29

Determination of stepper motor position via digital data acquisition

#66

20130193902

2013-08-01

Driving apparatus, printing apparatus having driving apparatus, and method of controlling driving apparatus

#67

20130188256

2013-07-25

Rotary drive mechanism and light dispersion system having the same

#68

20130182542

2013-07-18

Stepping motor control circuit, movement, and analogue electronic timepiece

#69

20130162191

2013-06-27

Micro-step driving control apparatus for stepping motor

#70

20130082635

2013-04-04

System and method for controlling a step motor

#71

20130043822

2013-02-21

Method and apparatus for misstep detection and recovery in a stepper motor

#72

20120182840

2012-07-19

Motor drive device, timepiece device, and electronic device

#73

20120001584

2012-01-05

Motor control device and out-of-step detecting method

#74

20110248660

2011-10-13

Circuit and method for speed monitoring of an electric motor

#75

20110235472

2011-09-29

Stepping motor control circuit and analog electronic timepiece

#76

20110188352

2011-08-04

Stepping motor control circuit and analogue electronic watch

#77

20110181229

2011-07-28

Apparatus, system and method for stepper motor stall detection

#78

20110169442

2011-07-14

Drive apparatus for stepping motor

#79

20110133682

2011-06-09

METHOD AND DEVICE FOR DETECTING STEP LOSSES OF A STEP MOTOR

#80

20110122733

2011-05-26

Stepping motor control circuit and analog electronic timepiece

#81

20110119939

2011-05-26

Method for operating a display device driven by at least one stepping motor

#82

20110080132

2011-04-07

Stepping motor control circuit and analogue electronic watch

#83

20100320955

2010-12-23

Motor drive device and electronic device that uses the same

#84

20100295499

2010-11-25

Stepping motor control circuit and analog electronic timepiece

#85

20100254226

2010-10-07

Stepping motor control circuit and analog electronic watch

#86

20100244887

2010-09-30

Method for detecting a fault condition

#87

20100220556

2010-09-02

Stepping motor control circuit and analog electronic watch

#88

20100165796

2010-07-01

Stepping motor control circuit and analogue electronic watch

#89

20100164426

2010-07-01

Stepping motor control circuit and analogue electronic watch

#90

20100149924

2010-06-17

Stepping motor controller and analog electronic timepiece

#91

20100097021

2010-04-22

Drive apparatus

#92

20090316535

2009-12-24

Stepping motor control circuit and analog electronic timepiece

#93

20090315503

2009-12-24

Control device of stepping motor, image reading device, control method and control program of stepping motor

#94

20090285057

2009-11-19

Stepping motor drive circuit and analog electronic clock

#95

20090256515

2009-10-15

Method of detecting state of synchronization loss in stepping motor

#96

20090238044

2009-09-24

Electronic clock

#97

20090179635

2009-07-16

System and Methods for Determining Motor Position

#98

20090028536

2009-01-29

Apparatus and method for measuring an acceleration to determine a camera dome's required motor holding current

#99

20070096679

2007-05-03

Step motor control circuit and method of generating step motor control signal

#100

20060284589

2006-12-21

Stepper motor accelerating system and method

#101

20060267538

2006-11-30

Stepping motor controller and gaming machine

#102

20060202656

2006-09-14

Stepping motor control apparatus, stepping motor control method, and stepping motor control program product

#103

20060187762

2006-08-24

Step motor drive unit and analog electronic timepiece

#104

20060181237

2006-08-17

Method of stall detection for stepper motor system

#105

20060152187

2006-07-13

Stepper motor controlling apparatus and pen recorder

#106

20060038527

2006-02-23

Stepper motor accelerating system and method

#107

20050218859

2005-10-06

Stepping motor control apparatus