Patents-Review.com
ClassID:

218264 ⎘

H02P7/285 - CPC Classification

Classification description:

Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only

Sub-classes:
Recent Application in this class:
#1
20250364929
2025-11-27

SYSTEM AND METHOD FOR DC MOTOR CONTROL WITH VOLTAGE LIMITING BASED ON BRUSH VOLTAGE DROP

 #2
20240113641
2024-04-04

IMAGE READING DEVICE AND CONTROL METHOD FOR IMAGE READING DEVICE

 #3
20220061904
2022-03-03

Minimally Invasive Diagnostic and Therapeutic Excision of Tissue

 #4
20210171281
2021-06-10

Power-saving control device for operation of electronic garbage can

 #5
20210099114
2021-04-01

Opening/closing body drive device and control method thereof

 #6
20210083607
2021-03-18

Electric motor power control circuitry

 #7
20210018947
2021-01-21

Semiconductor apparatus for power supply control and output voltage variable power supply apparatus

 #8
20210018946
2021-01-21

Semiconductor apparatus for power supply control and output voltage variable power supply apparatus

 #9
20200382027
2020-12-03

Control device and wire connection determination method

 #10
20200287398
2020-09-10

Battery pack

 #11
20200212830
2020-07-02

Electric motor power control circuitry

 #12
20200028459
2020-01-23

Electric Tool Control Circuit

 #13
20190302821
2019-10-03

Semiconductor apparatus for power supply control and output voltage variable power supply apparatus

 #14
20190135331
2019-05-09

Current sensor fault mitigation for steering systems with permanent magnet DC drives

 #15
20180323625
2018-11-08

Battery pack

 #16
20180316292
2018-11-01

Electric tool control circuit

 #17
20180262135
2018-09-13

Motor driving circuit

 #18
20180226910
2018-08-09

METHOD FOR CONTROLLING OPERATING SPEED AND TORQUE OF ELECTRIC MOTOR

 #19
20180206902
2018-07-26

Minimally invasive diagnostic and therapeutic excision of tissue

 #20
20180205338
2018-07-19

Method for controlling operating speed and torque of electric motor

 #21
20180138846
2018-05-17

Method for controlling operating speed and torque of electric motor

 #22
20180091082
2018-03-29

Method for controlling operating speed and torque of electric motor

 #23
20180083563
2018-03-22

Method for controlling operating speed and torque of electric motor

 #24
20180078967
2018-03-22

Dispensing device

 #25
20180046157
2018-02-15

Motor control device and game machine

 #26
20170373415
2017-12-28

Power tool with light unit

 #27
20170346423
2017-11-30

Current capability limiting of DC machines

 #28
20170342757
2017-11-30

Control device and control method of opening and closing member for vehicle

 #29
20170317632
2017-11-02

METHOD FOR CONTROLLING OPERATING SPEED AND TORQUE OF ELECTRIC MOTOR

 #30
20170257053
2017-09-07

Method and arrangement for testing the operation of an actuating circuit of a DC motor

 #31
20170189930
2017-07-06

Dispensing device

 #32
20170085198
2017-03-23

Method of operating a brushed commutator motor of an adjusting drive, and adjusting drive

 #33
20170079641
2017-03-23

Surgical stapler having temperature-based motor control

 #34
20170077855
2017-03-16

Method for controlling operating speed and torque of electric motor

 #35
20160355103
2016-12-08

Method for controlling operating speed and torque of electric motor

 #36
20160315489
2016-10-27

Controlled power fade for battery power devices

 #37
20160312982
2016-10-27

Rotating decorative lamp with overlapping images

 #38
20160276963
2016-09-22

Method for controlling operating speed and torque of electric motor

 #39
20160272087
2016-09-22

Method for controlling operating speed and torque of electric motor

 #40
20160251889
2016-09-01

Openable and closable member control apparatus and openable and closable member control method

 #41
20160099669
2016-04-07

Method and device for operating an electromotive fan drive

 #42
20160091039
2016-03-31

Electric linear motion actuator and electric brake system

 #43
20160087356
2016-03-24

Battery pack identification scheme for power tool systems

 #44
20150145450
2015-05-28

Control circuit for a DC motor

 #45
20150137715
2015-05-21

Controlled power fade for battery powered devices

 #46
20150137714
2015-05-21

Vehicle motor drive circuit

 #47
20140340053
2014-11-20

Charger and method for charging a battery pack

 #48
20140285130
2014-09-25

Circuit device and electronic apparatus

 #49
20140252996
2014-09-11

Hybrid electric device

 #50
20140217934
2014-08-07

Motor-driven appliance and battery pack

 #51
20140159642
2014-06-12

Battery pack identification scheme for power tool systems

 #52
20140115404
2014-04-24

Diagnostic and managing distributed processor system

 #53
20140049204
2014-02-20

Electric working machine

 #54
20140021901
2014-01-23

Driving circuit and method for fan

 #55
20140021899
2014-01-23

Driving circuit and method for fan

 #56
20130304325
2013-11-14

Motor control device

 #57
20130094979
2013-04-18

Multi-mode motor for switching among motor power supplies

 #58
20130073110
2013-03-21

Diagnostic and managing distributed processor system

 #59
20130043820
2013-02-21

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

 #60
20130038262
2013-02-14

Motor control device

 #61
20120313561
2012-12-13

Motor drive unit

 #62
20120234856
2012-09-20

Multifunction PMDC motor apparatus and method thereof

 #63
20120212169
2012-08-23

Method and system controlling an electrical motor with temperature compensation

 #64
20120194114
2012-08-02

Motor drive circuit

 #65
20120187880
2012-07-26

Control device for an electric motor

 #66
20120153880
2012-06-21

System for controlling the speed of an electric fan

 #67
20120081074
2012-04-05

State of charge indicator for a battery charger

 #68
20110303427
2011-12-15

Electric tool and controlling method thereof

 #69
20110286723
2011-11-24

DC motor assembly with step adjusting control arrangement

 #70
20110254472
2011-10-20

Power tool having a non-linear trigger-speed profile

 #71
20110248669
2011-10-13

Battery pack identification scheme for power tool systems

 #72
20110248653
2011-10-13

Controlled power fade for battery powered devices

 #73
20110248650
2011-10-13

Power tool with light unit

 #74
20110185941
2011-08-04

CONTROL SYSTEM FOR TRAIN DOORS AND ACTUATION METHOD BASED ON SAID SYSTEM

 #75
20100244757
2010-09-30

Current limit control method of DC motor and related device and circuit

 #76
20100187899
2010-07-29

Pump control apparatus and brake control system

 #77
20100146346
2010-06-10

Diagnostic and managing distributed processor system

 #78
20100118460
2010-05-13

DC drive

 #79
20100065293
2010-03-18

METHOD FOR OPERATING AN ELECTRICAL POWER TOOL, AND A DRIVE UNIT FOR AN ELECTRIC POWER TOOL

 #80
20100052591
2010-03-04

Motor driving circuit for adjusting speed of a motor by changing an output voltage

 #81
20100019712
2010-01-28

Electric driver unit

 #82
20090243529
2009-10-01

Motor driving circuit and method thereof

 #83
20090220219
2009-09-03

Delta-sigma modulator for a fan driver

 #84
20090160385
2009-06-25

Motor controller

 #85
20090153090
2009-06-18

Motor controller

 #86
20090134825
2009-05-28

Static switch for motors of climate control units and climate control unit comprising the switch

 #87
20090128078
2009-05-21

Motor and motor speed controlling system

 #88
20090108790
2009-04-30

Control structure of an electric fan

 #89
20080265811
2008-10-30

DC motor variable kick-start

 #90
20080166110
2008-07-10

Fan driving circuit

 #91
20080042630
2008-02-21

Power supply device and projection apparatus using the same

 #92
20070274694
2007-11-29

Fan motor control method and device thereof

 #93
20070101193
2007-05-03

Diagnostic and managing distributed processor system

 #94
20070092232
2007-04-26

Motor drive unit

 #95
20070050094
2007-03-01

ELECTRIC VACUUM CLEANER

 #96
20070044756
2007-03-01

Current control device and method

 #97
20060206649
2006-09-14

Method of providing an interface to a plurality of peripheral devices using bus adapter chips

 #98
20060061311
2006-03-23

Dual speed quad brush two pole motor system