Patents-Review.com
ClassID:

218281 ⎘

H02P8/02 - CPC Classification

Classification description:

Arrangements for controlling dynamo-electric motors of the kind having motors rotating step by step specially adapted for single-phase or bi-pole stepper motors, e.g. watch-motors, clock-motors

Recent Application in this class:
#1
20260117885
2026-04-30

APPARATUS FOR AUTOMATICALLY CONTROLLING THE FLOW RATE OF A FLUID FLOWING ALONG A DUCT AND REFRIGERATION OR COOLING SYSTEM COMPRISING THE AFORESAID APPARATUS

 #2
20250125750
2025-04-17

STEPPING MOTOR CONTROL CIRCUIT AND ANALOG ELECTRONIC TIMEPIECE

 #3
20240204703
2024-06-20

ELECTROMECHANICAL WATCH CAPABLE OF CONTACTLESS COMMUNICATION WITH A COMMUNICATION DEVICE

 #4
20240186923
2024-06-06

CONTROL CIRCUIT OF A STEPPER MOTOR CAPABLE OF DETECTING AN EXTERNAL MAGNETIC FIELD

 #5
20240052941
2024-02-15

APPARATUS FOR AUTOMATICALLY CONTROLLING THE FLOW RATE OF A FLUID FLOWING ALONG A DUCT AND REFRIGERATION OR COOLING SYSTEM COMPRISING THE AFORESAID APPARATUS

 #6
20230291338
2023-09-14

Step motor drive device

 #7
20220209558
2022-06-30

Power management method for a solar watch

 #8
20220045636
2022-02-10

Method for controlling electronic watch and electronic watch

 #9
20210263474
2021-08-26

Step motor driving device

 #10
20210216045
2021-07-15

Watch motor control circuit, electronic watch, and watch motor control method

 #11
20210149344
2021-05-20

Pointer device, electronic watch, control method for pointer device, and recording medium

 #12
20210132546
2021-05-06

Electronic watch and control method for electronic watch

 #13
20210006187
2021-01-07

Electronic watch and method for controlling electronic watch

 #14
20200333749
2020-10-22

Step motor drive device and circuit

 #15
20200319663
2020-10-08

Watch and manufacturing method of constant current circuit

 #16
20200310354
2020-10-01

Electronic timepiece and motor control circuit

 #17
20200310353
2020-10-01

Electronic timepiece and motor controller

 #18
20200285200
2020-09-10

Electronic timepiece, movement, and motor control circuit

 #19
20200249631
2020-08-06

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

 #20
20200249630
2020-08-06

Timepiece and motor control method

 #21
20200225621
2020-07-16

Timepiece and timepiece control method

 #22
20200225620
2020-07-16

Timepiece and timepiece motor control method

 #23
20200225618
2020-07-16

Analog electronic timepiece, stepping motor control device, and analog electronic timepiece control method

 #24
20200036309
2020-01-30

Movement, electronic timepiece, and motor drive control method

 #25
20200019124
2020-01-16

Drive circuit for two-coil step motor

 #26
20200019123
2020-01-16

Motor driving apparatus, motor control method, and timepiece

 #27
20190332065
2019-10-31

Driving device and electronic timepiece

 #28
20190305702
2019-10-03

Motor control circuit, movement, and electronic timepiece

 #29
20190273456
2019-09-05

STEPPING MOTOR CONTROL DEVICE, TIMEPIECE, AND CONTROL METHOD OF STEPPING MOTOR FOR TIMEPIECE

 #30
20190121296
2019-04-25

Timepiece movement, timepiece, and reference position determination method of indicating hand of timepiece

 #31
20190086873
2019-03-21

Timepiece, electronic device, and control method of timepiece

 #32
20190041804
2019-02-07

Electronic watch

 #33
20180262136
2018-09-13

Motor drive controller, control method for motor drive controller, control program for motor drive controller, and method for determining number of divisions of basic step angle

 #34
20180259560
2018-09-13

Motor drive control device and method for determining controlled frequency for motor

 #35
20180246471
2018-08-30

Drive circuit for two-coil step motor, two-coil step motor, and electronic watch using these

 #36
20180152129
2018-05-31

Stepping motor, motor drive device and time display device

 #37
20180088533
2018-03-29

Stepping motor, rotation detecting apparatus, and electronic timepiece

 #38
20180013363
2018-01-11

Motor controller, motor driving apparatus, motor driving system, image forming apparatus, and conveying device

 #39
20170357216
2017-12-14

Drive circuit for two-coil step motor

 #40
20170285577
2017-10-05

Shock detector circuit

 #41
20170279395
2017-09-28

Stepping motor, motor drive device and time display device

 #42
20170277130
2017-09-28

Driving device and electronic timepiece

 #43
20170261939
2017-09-14

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

 #44
20170227932
2017-08-10

Electronic watch

 #45
20170212477
2017-07-27

Analog timepiece and control method of analog timepiece

 #46
20170141710
2017-05-18

Shock detector circuit and method for operation thereof

 #47
20170038736
2017-02-09

Motor drive device and electronic timepiece

 #48
20160301343
2016-10-13

Drive controller of instrument

 #49
20160276967
2016-09-22

Stepping motor driving device and timepiece

 #50
20160098014
2016-04-07

Motor driver device with a horological motor driver and an associated configuration circuit

 #51
20160033939
2016-02-04

Stepping motor control circuit, semiconductor device, and analog electronic timepiece

 #52
20150160619
2015-06-11

Electronic clock

 #53
20150085625
2015-03-26

Stepping motor and timepiece provided with stepping motor

 #54
20140361722
2014-12-11

Diagnosis of over-current conditions in bipolar motor controllers

 #55
20140071795
2014-03-13

Stepping motor control circuit, movement, and analog electronic timepiece

 #56
20140071794
2014-03-13

Stepping motor control circuit, movement and analog electronic timepiece

 #57
20130083434
2013-04-04

Diagnosis of over-current conditions in bipolar motor controllers

 #58
20120307602
2012-12-06

Electronic watch

 #59
20120306428
2012-12-06

STEPPING MOTOR CONTROL CIRCUIT AND ANALOG ELECTRONIC TIMEPIECE

 #60
20120300595
2012-11-29

MOTOR DRIVE DEVICE AND ANALOGUE ELECTRONIC TIMEPIECE

 #61
20120287760
2012-11-15

STEPPING MOTOR CONTROL CIRCUIT AND ANALOG ELECTRONIC TIMEPIECE

 #62
20120287759
2012-11-15

STEPPING MOTOR CONTROL CIRCUIT AND ANALOGUE ELECTRONIC TIMEPIECE

 #63
20120204640
2012-08-16

Electronic watch

 #64
20120182840
2012-07-19

Motor drive device, timepiece device, and electronic device

 #65
20120014227
2012-01-19

Stepping motor control circuit and analog electronic timepiece

 #66
20110235472
2011-09-29

Stepping motor control circuit and analog electronic timepiece

 #67
20110026375
2011-02-03

Stepping motor control circuit and analogue electronic timepiece

 #68
20100270965
2010-10-28

Stepping motor control circuit and analog electronic watch

 #69
20100254226
2010-10-07

Stepping motor control circuit and analog electronic watch

 #70
20100238768
2010-09-23

Stepping motor control circuit and analogue electronic timepiece

 #71
20100238767
2010-09-23

Stepping motor control circuit and analog electronic watch

 #72
20100220556
2010-09-02

Stepping motor control circuit and analog electronic watch

 #73
20100172219
2010-07-08

Stepping motor control circuit and analogue electronic timepiece

 #74
20100165796
2010-07-01

Stepping motor control circuit and analogue electronic watch

 #75
20100164426
2010-07-01

Stepping motor control circuit and analogue electronic watch

 #76
20100014389
2010-01-21

Analogue electronic clock and motor control circuit

 #77
20090285057
2009-11-19

Stepping motor drive circuit and analog electronic clock

 #78
20090251095
2009-10-08

Motor driven electronic apparatus

 #79
20090218979
2009-09-03

OPTICAL HEAD MOVING CONTROL APPARATUS AND OPTICAL HEAD MOVING CONTROL METHOD

 #80
20090206789
2009-08-20

Device and method of driving stepping motor of analog electronic clock

 #81
20080089183
2008-04-17

Analogue electronic clock and motor control circuit

 #82
20060255761
2006-11-16

Method for controlling two-phase stepping motor

 #83
20060176008
2006-08-10

Circuit and method for control of a stepper motor

 #84
20050024008
2005-02-03

Driving device for stepping motor