ClassID:

218234

H02P6/188 - CPC Classification

Classification description:

Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor; Electronic commutators; Circuit arrangements for detecting position without separate position detecting elements using the voltage difference between the windings

Recent Application in this class:
#1
20230387839
2023-11-30

Rotation angle detecting method, recording medium storing rotation angle detecting program, and rotation angle detecting device

#2
20230238903
2023-07-27

System and method for detecting resolver signal for motor control

#3
20230016671
2023-01-19

Motor controller

#4
20220209693
2022-06-30

MOTOR UNIT

#5
20220045632
2022-02-10

MULTI-MOTOR CONVERTER

#6
20210333130
2021-10-28

Motor rotation angle measurement device and method

#7
20210288597
2021-09-16

MOTOR CONTROLLING DEVICE

#8
20200083824
2020-03-12

Fixed rotation direction start-up method for single-phase sensorless DC brushless motor

#9
20200040811
2020-02-06

Controlling an electronically-assisted turbocharger

#10
20190280631
2019-09-12

Method and circuit arrangement for determining the position of a rotor in an electric motor

#11
20180367073
2018-12-20

MOTOR CONTROL CIRCUIT WITH DIAGNOSTIC CAPABILITIES

#12
20170373620
2017-12-28

Dual-voltage brushless motor

#13
20160373036
2016-12-22

Motor control device

#14
20160268937
2016-09-15

Drive control device and fuel pump drive system

#15
20160094168
2016-03-31

Semiconductor device and electrically-powered equipment

#16
20150253159
2015-09-10

Phase detector, motor drive controller, motor device, and method of detecting phase of rotor

#17
20150236629
2015-08-20

Brushless motor driving circuit and brushless motor driving system

#18
20150211894
2015-07-30

Device for detecting rotation position and air conditioner

#19
20140159632
2014-06-12

Motor driving module and brushless DC motor system

#20
20140145653
2014-05-29

System and method for estimating the position of a wound rotor synchronous machine

#21
20140015458
2014-01-16

Method and system for controlling a motor

#22
20130307454
2013-11-21

Driver circuit and method

#23
20130113400
2013-05-09

Phase-shift detection device, motor drive device, brushless motor, and phase-shift detection method

#24
20130057193
2013-03-07

Synchronous motor drive system and synchronous motor

#25
20130015794
2013-01-17

Closed loop startup control for a sensorless, brushless DC motor

#26
20110279070
2011-11-17

MOTOR DRIVING DEVICE AND ELECTRIC EQUIPMENT USING THE SAME

#27
20110256005
2011-10-20

MOTOR DRIVE DEVICE AND ELECTRIC EQUIPMENT UTILIZING THE SAME

#28
20110175560
2011-07-21

Motor magnetic-pole-position estimating apparatus

#29
20110084639
2011-04-14

Synchronized minimum frequency pulse width modulation drive for sensorless brushless direct current motor

#30
20100270960
2010-10-28

Method and circuit for producing rotor position signals and for the commutation of brushless direct-current motors, without using sensors

#31
20100188036
2010-07-29

Driver circuit for driving a stepping motor

#32
20100181953
2010-07-22

Controller and MCU chip for controlling 3-phase brushless DC motor

#33
20100060213
2010-03-11

Motor controller, motor drive system and pump unit

#34
20090174355
2009-07-09

Starting Apparatus for a Direct Current Brushless Motor and Method Thereof

#35
20090108784
2009-04-30

Motor control apparatus and motor system

#36
20050073274
2005-04-07

Sensorless motor driving apparatus and driving method addressing prevention of backward rotation