ClassID:

218287

H02P8/14 - 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

Sub-classes:
Recent Application in this class:
#1
20260149395
2026-05-28

SYSTEMS AND METHODS FOR JITTER MINIMIZATION BY STEPPER MOTOR CONTROL

#2
20260100662
2026-04-09

METHOD FOR MEASURING WINDING ELECTRICAL PARAMETERS IN BIPOLAR STEPPER MOTORS DURING HOLD CONDITION

#3
20250242616
2025-07-31

CARRIAGE APPARATUS, PRINTING APPARATUS, AND CONTROL METHOD THEREOF

#4
20240035647
2024-02-01

Systems and methods for controlling the position of a moving light fixture

#5
20230231500
2023-07-20

Control circuit

#6
20230131824
2023-04-27

Control device for stepping motor

#7
20220329182
2022-10-13

Automated speed ramp control of stepper motors

#8
20220137487
2022-05-05

Lens control device and lens control method

#9
20220099562
2022-03-31

Automated adjustment of the position of the light source of a detection assembly for increased light reception

#10
20220097427
2022-03-31

CARRIAGE APPARATUS, PRINTING APPARATUS, AND CONTROL METHOD THEREOF

#11
20210396461
2021-12-23

Refrigerator and controlling method thereof

#12
20210320598
2021-10-14

Method and system for controlling electric motor, and controller

#13
20200136539
2020-04-30

Automated speed ramp control of stepper motors

#14
20190386596
2019-12-19

SHEET CONVEYING APPARATUS, DOCUMENT READING APPARATUS AND IMAGE FORMING APPARATUS

#15
20190372492
2019-12-05

Stepper motor driver for mechanical engineering

#16
20190339664
2019-11-07

Method for controlling motor driving by PLC

#17
20190190415
2019-06-20

Motor driving control device and motor driving control method

#18
20190187598
2019-06-20

Motor control apparatus, image forming apparatus, and method for controlling motor control apparatus

#19
20190157999
2019-05-23

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

#20
20190157998
2019-05-23

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

#21
20190113750
2019-04-18

Embedded optimization algorithm of parameters to drive deployment mechanism for displays

#22
20190090416
2019-03-28

System and method for controlling the flow of agricultural products from a variable-ratio blending applicator

#23
20190052786
2019-02-14

MOTOR DRIVE DEVICE THAT REDUCES COLLISION NOISE OF MOVING MEMBER, METHOD OF CONTROLLING SAME, AND STORAGE MEDIUM

#24
20190028047
2019-01-24

Stepper trajectory driver with numerical controlled oscillators operated at frequency provided by a synchronized clock signal

#25
20190013752
2019-01-10

Sheet conveying apparatus and image forming apparatus

#26
20180342967
2018-11-29

Rotating motion control apparatus, image forming apparatus and method for rotating motion control

#27
20180335764
2018-11-22

Motor driving apparatus

#28
20180264861
2018-09-20

Printer, method of controlling printer, and storage medium

#29
20180152126
2018-05-31

Sheet conveying apparatus and image forming apparatus

#30
20180115090
2018-04-26

Motorized hot stick system for clamping grounding devices on overhead lines

#31
20180067458
2018-03-08

Drive device, electronic watch, and control method of drive device

#32
20180043748
2018-02-15

Actuator control system

#33
20180028990
2018-02-01

Magnetic mixer and method

#34
20180026561
2018-01-25

Servomotor control device, servomotor control method, and computer readable recording medium

#35
20170366123
2017-12-21

Methods and apparatus for robust and efficient stepper motor BEMF measurement

#36
20170288590
2017-10-05

Motor control apparatus, sheet conveying apparatus, image forming apparatus

#37
20170261939
2017-09-14

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

#38
20170184397
2017-06-29

Sensing system and sensing method

#39
20170163190
2017-06-08

Stepper trajectory driver with numerical controlled oscillators operated at frequency provided by a synchronized clock signal

#40
20170111529
2017-04-20

Motor control apparatus that controls motor based on result of detection by position detection sensor that detects rotational position of rotor of motor, and image forming apparatus

#41
20170075309
2017-03-16

Drive device, electronic watch, and control method of drive device

#42
20170012560
2017-01-12

Motor control method and apparatus

#43
20160342125
2016-11-24

Motor control apparatus and image forming apparatus

#44
20160268954
2016-09-15

Motor health monitoring and medical device incorporating same

#45
20160107318
2016-04-21

Method of operating a stepper motor especially adapted for use with a data storage library picker assembly

#46
20150326158
2015-11-12

Controller for driving a stepper motor

#47
20150326157
2015-11-12

Motor driving apparatus

#48
20150277322
2015-10-01

Image forming apparatus

#49
20150227125
2015-08-13

Motor control device and game machine

#50
20150145202
2015-05-28

Stepping motor control device and conveying device provided with the same

#51
20150022139
2015-01-22

Stepping motor control device, optical apparatus, stepping motor control method, and non-transitory computer readable recording medium

#52
20150019019
2015-01-15

Driving mechanism

#53
20150008862
2015-01-08

Intake profile for optimized utilization of motor characteristics

#54
20140316567
2014-10-23

Animatronic system with unlimited axes

#55
20140292252
2014-10-02

Circuit and method for speed monitoring of an electric motor

#56
20140239873
2014-08-28

Pulsed-motor driving apparatus and pulsed-motor driving method

#57
20140239872
2014-08-28

PULSED-MOTOR DRIVING APPARATUS AND PULSED-MOTOR DRIVING METHOD

#58
20140232063
2014-08-21

Movable object driving device and game machine

#59
20140218499
2014-08-07

Image obtaining apparatus and stage control method

#60
20140077747
2014-03-20

Motor speed enhancement

#61
20140055075
2014-02-27

Motor having pulse mode and brushless mode, and control method and apparatus of the motor

#62
20140049200
2014-02-20

Control device and stepping motor control method

#63
20130303989
2013-11-14

Motor health monitoring and medical device incorporating same

#64
20130278199
2013-10-24

Integration of spindle external sense resistor into servo IC with stable resistance control circuit

#65
20130253421
2013-09-26

Motor health monitoring and medical device incorporating same

#66
20130200838
2013-08-08

Motor control device, image forming apparatus including the motor control device, and motor control method

#67
20130119917
2013-05-16

Apparatus and method for controlling stepping motor

#68
20130015804
2013-01-17

IMAGE FORMING APPARATUS, MOTOR CONTROLLING APPARATUS, METHOD FOR CONTROLLING MOTOR

#69
20120306429
2012-12-06

CONTROL DEVICE, ACTUATOR SYSTEM, AND CONTROL METHOD

#70
20120293286
2012-11-22

Device for controlling an on-board apparatus

#71
20120153886
2012-06-21

Method and circuit arrangement for sensorless engine load detection and for controlling the motor current in accordance with the load value in stepper motors

#72
20120032628
2012-02-09

Intake profile for optimized utilization of motor characteristics

#73
20110309783
2011-12-22

Stepping motor drive device

#74
20110248660
2011-10-13

Circuit and method for speed monitoring of an electric motor

#75
20110243793
2011-10-06

Drive device for use in a laboratory device

#76
20110234143
2011-09-29

Voltage-controlled stepper motor driver

#77
20110229235
2011-09-22

Image forming apparatus having stepping motor arranged in conveying path for paper, and method for controlling stepping motor in image forming apparatus

#78
20110176229
2011-07-21

Motor having pulse mode and brushless mode, and control method and apparatus of the motor

#79
20110156624
2011-06-30

Motor drive circuit for driving a synchronous motor

#80
20110119939
2011-05-26

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

#81
20100314566
2010-12-16

System and method of step detection for a stepper motor

#82
20100072941
2010-03-25

Drive control system of stepping motor and drive control method

#83
20090261772
2009-10-22

Advanced method for stepper motor speed determination

#84
20090224719
2009-09-10

Image sensing apparatus

#85
20080309274
2008-12-18

Dual mode stepper motor

#86
20080272730
2008-11-06

Control device for stepping motor

#87
20080231220
2008-09-25

Image forming apparatus appropriately setting current value for driving motor

#88
20070096679
2007-05-03

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

#89
20060152187
2006-07-13

Stepper motor controlling apparatus and pen recorder

#90
20050218859
2005-10-06

Stepping motor control apparatus

#91
20050194846
2005-09-08

Permanent magnet type three-phase stepping motor

#92
16370947
2020-08-04

Apparatus and method to harvest quadrature encoder signals from generic stepper motor input signals

#93
13857948
2015-03-10

Variable torque control of a stepper motor