Patents-Review.com
ClassID:

218301 ⎘

H02P8/40 - CPC Classification

Classification description:

Arrangements for controlling dynamo-electric motors of the kind having motors rotating step by step Special adaptations for controlling two or more stepping motors

Recent Application in this class:
#1
20240313677
2024-09-19

STEPPING MOTOR CONTROL DEVICE, MOVEMENT, WATCH, AND STEPPING MOTOR CONTROL METHOD

 #2
20220221139
2022-07-14

Absolute position sensing system for stepper motor mechanism

 #3
20220050483
2022-02-17

Air pressure control device

 #4
20210025410
2021-01-28

Method for operating a pressure control device, and pressure control device for carrying out the method

 #5
20200350887
2020-11-05

Radio frequency processing apparatus and method

 #6
20200249631
2020-08-06

Electronic timepiece, movement, and motor control circuit for a timepiece

 #7
20200096973
2020-03-26

Servo amplifier selection device in system including multiple converter units

 #8
20190028047
2019-01-24

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

 #9
20180319409
2018-11-08

Power system for a locomotive

 #10
20180109214
2018-04-19

Positioning drive and method for positioning an output element

 #11
20180062605
2018-03-01

Radio frequency processing apparatus and method

 #12
20170163190
2017-06-08

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

 #13
20170038736
2017-02-09

Motor drive device and electronic timepiece

 #14
20170038048
2017-02-09

Light assembly for producing scenographic effects

 #15
20160056751
2016-02-25

Motor control circuit

 #16
20140239855
2014-08-28

Thrust ripple mapping system in a precision stage and method thereof

 #17
20130112133
2013-05-09

Stepper motor controller

 #18
20130038891
2013-02-14

Communication system for transmitting multiple pulse signals, transmission circuit, reception circuit, and image forming apparatus

 #19
20120187885
2012-07-26

Actuator control system and actuator system

 #20
20120139454
2012-06-07

DEVICE AND METHOD FOR ACTUATING AND DIAGNOSING STEPPER MOTORS

 #21
20120018578
2012-01-26

Near synchronous controlled induction motor drive actuation system

 #22
20110119939
2011-05-26

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

 #23
20100141200
2010-06-10

Stepping motor controlling device, method, and storage medium

 #24
20100090636
2010-04-15

Motor control circuit

 #25
20100090624
2010-04-15

Motor control circuit

 #26
20090315504
2009-12-24

Linear actuator motor selection method and devices

 #27
20090160884
2009-06-25

Electronic apparatus for suppressing heat generation from plurality of motors

 #28
20090039821
2009-02-12

Step motor driving apparatus

 #29
20080100253
2008-05-01

Stepping motor driving device, lens driving device, and camera

 #30
20080012523
2008-01-17

Control device for stepping motor

 #31
20070290635
2007-12-20

Motor controller

 #32
20070278982
2007-12-06

Control device for stepping motor

 #33
20060176008
2006-08-10

Circuit and method for control of a stepper motor

 #34
20050006966
2005-01-13

Drive device for stepper motor and indicating apparatus using the same

 #35
15725225
2019-01-08

Adjusting a distance between an electrode and a liquid