ClassID:

218069

H02N2/0075 - CPC Classification

Classification description:

Electric machines in general using piezo-electric effect, electrostriction or magnetostriction producing non-specific motion; Details common to machines covered by  -  Electrical details, e.g. drive or control circuits or methods

Sub-classes:
Recent Application in this class:
#1
20250247020
2025-07-31

ENERGY RECOVERY DRIVER FOR PZT ACTUATORS

#2
20240246115
2024-07-25

VIBRATION PANEL AND TOUCH DISPLAY APPARATUS

#3
20240239425
2024-07-18

COMPOSITE PANELS AND SYSTEM FOR ACTIVE FLOW CONTROL ON MOTOR VEHICLES

#4
20240223108
2024-07-04

FLEXIBLE ACTUATOR, MANUFACTURING METHOD THEREOF, AND ELECTRONIC DEVICE

#5
20230163701
2023-05-25

Motor and electronic device

#6
20230113827
2023-04-13

Apparatus and method for applying a bias voltage to a MEMS device based on a variable reference signal

#7
20230110802
2023-04-13

Impact energy harvesters for self-powered wrist-worn wearables

#8
20230055214
2023-02-23

Piezoelectric motor energy-saving control method based on an iterative learning

#9
20230030111
2023-02-02

DRIVER CIRCUITRY

#10
20220416146
2022-12-29

METHOD FOR OPERATING A DRIVE UNIT AND DRIVE UNIT

#11
20220368325
2022-11-17

Driver circuitry and operation

#12
20220360104
2022-11-10

Energy harvesting wireless sensing systems

#13
20220271748
2022-08-25

Driver circuitry and operation

#14
20220255467
2022-08-11

Inertia drive motor and method for controlling such motor

#15
20220238782
2022-07-28

Tactile reproduction device, method for driving same, and tactile reproduction apparatus

#16
20220166349
2022-05-26

Method for sensing abnormality of piezoelectric drive device, piezoelectric drive device, and robot

#17
20220166348
2022-05-26

Single crystal ultrasonic transducer with charge mode receiver

#18
20220158635
2022-05-19

Driver circuitry and operation

#19
20220149754
2022-05-12

Control method for piezoelectric drive device and control method for manipulator

#20
20220099963
2022-03-31

Buckling mode actuation of fiber scanner to increase field of view

#21
20220057011
2022-02-24

Valve control device, drive control device, and fluid control device

#22
20220052687
2022-02-17

Driver circuitry and operation

#23
20220052686
2022-02-17

Driver circuitry and operation

#24
20220045629
2022-02-10

Control apparatus for vibration type motor, and driving apparatus

#25
20210376219
2021-12-02

High-resolution sensing of piezo-electric transducers

#26
20210360134
2021-11-18

Vibration device

#27
20210297012
2021-09-23

Ultrasonic vibration device having a first and a second piezo sensor

#28
20210257935
2021-08-19

System and method to control slip-stick stages

#29
20210226559
2021-07-22

Ultrasonic actuator for a rotary drive

#30
20210226117
2021-07-22

Flexible body and method for controlling flexible body to deform

#31
20210171339
2021-06-10

Cellular array electrostatic actuator

#32
20210093338
2021-04-01

Ultrasonic probe for calculi treatment

#33
20210088104
2021-03-25

Self-powered vibration damper based on piezoelectricity and control method thereof

#34
20210075246
2021-03-11

Energy harvesting wireless sensing systems

#35
20210044220
2021-02-11

Zero-voltage zero-current soft switching type driving method for ultrasonic driving unit

#36
20210003840
2021-01-07

Light scanning apparatus and method of controlling light scanning apparatus

#37
20200373856
2020-11-26

Vibration device and driving device

#38
20200343830
2020-10-29

Control method for piezoelectric driving device, piezoelectric driving device, and robot

#39
20200335687
2020-10-22

Electromechanical actuator, method for electrical excitation of an electromechanical actuator and ultrasonic motor

#40
20200278535
2020-09-03

Buckling mode actuation of fiber scanner to increase field of view

#41
20200244191
2020-07-30

Method of controlling piezoelectric drive device, method of controlling robot, and method of controlling printer

#42
20200150764
2020-05-14

Haptic actuator using force multiplying spring and smart alloy wire

#43
20200144477
2020-05-07

Displacement magnifying mechanism, polishing device, actuator, dispenser, and air valve

#44
20200136529
2020-04-30

Contact body easy to verify resin impregnation, manufacturing method thereof, and vibration actuator including contact body

#45
20200035904
2020-01-30

Method for operating an ultrasonic motor

#46
20190339511
2019-11-07

Buckling mode actuation of fiber scanner to increase field of view

#47
20190324264
2019-10-24

Scan driving device, optical scan control apparatus, and driving waveform generation method

#48
20190267915
2019-08-29

Piezo actuator device and motor

#49
20190222148
2019-07-18

ENERGY HARVESTING PAD MADE FROM PIEZOELECTRIC MATERIALS

#50
20190222055
2019-07-18

Energy harvesting wireless sensing system

#51
20190189900
2019-06-20

Inertial piezoelectric device

#52
20190140559
2019-05-09

Ultrasonic motor having a diagonally excitable actuator plate

#53
20190140558
2019-05-09

Vibration wave motor, drive control system, optical apparatus, and electronic apparatus

#54
20190121121
2019-04-25

Piezoelectric mirror system

#55
20190103820
2019-04-04

Perturbation measurement, correction, and inducing system adapted to provide highly accurate perturbation measurements and reduce the effects of perturbations within the system

#56
20190019642
2019-01-17

Electrical relay device

#57
20180364449
2018-12-20

Focusing mechanism and imaging module

#58
20180351478
2018-12-06

High efficiency transducer driver

#59
20180342343
2018-11-29

Integrated magnetic device with variable inductance and method for making such a device

#60
20180316283
2018-11-01

PIEZOELECTRIC DRIVE DEVICE, DRIVE METHOD OF PIEZOELECTRIC DRIVE DEVICE, ROBOT, ELECTRONIC COMPONENT TRANSPORT APPARATUS, PRINTER, AND PROJECTOR

#61
20180287042
2018-10-04

Piezoelectric drive device, drive method of piezoelectric drive device, robot, electronic component transport apparatus, printer, and projector

#62
20180284425
2018-10-04

Buckling mode actuation of fiber scanner to increase field of view

#63
20180091066
2018-03-29

Wafer, piezoelectric vibrator element, and piezoelectric vibrator

#64
20180006583
2018-01-04

Method and device for controlling a piezoelectric motor

#65
20170358733
2017-12-14

Piezoelectric device

#66
20170318650
2017-11-02

Luminaire, lighting system, and setting method in lighting system

#67
20170279033
2017-09-28

Piezoelectric actuator, piezoelectric motor, robot, hand, and pump

#68
20170263843
2017-09-14

Piezoelectric positioning device and positioning method by means of such a piezoelectric positioning device

#69
20170214339
2017-07-27

Ultrasonic motor

#70
20170163175
2017-06-08

Piezoelectric driving device, motor, robot, and pump

#71
20170162780
2017-06-08

Piezoelectric drive apparatus for motor and method for manufacturing the same, motor, robot, and pump

#72
20170019601
2017-01-19

Control apparatus of vibration actuator, method for controlling vibration actuator, driving apparatus, imaging apparatus, interchangeable lens, and automatic stage

#73
20170005596
2017-01-05

Piezoelectric actuator, motor, robot, and method of driving piezoelectric actuator

#74
20160336876
2016-11-17

Piezoelectric ultrasonic motor and operation method of the same

#75
20160329836
2016-11-10

Vibrating-element driving circuit, vibration-type actuator, image pickup apparatus, image generation apparatus, and dust removal apparatus

#76
20160248346
2016-08-25

Method and apparatus for identifying discharge failure of a piezoelectric circuitry

#77
20160241165
2016-08-18

Piezoelectric drive device, robot, and drive method thereof

#78
20160226404
2016-08-04

Piezoelectric element drive circuit and robot

#79
20160226403
2016-08-04

Piezoelectric element drive circuit and robot

#80
20160226402
2016-08-04

Drive control circuit that drives vibrator, driving method, vibration-type driving apparatus, and image pickup apparatus

#81
20160056733
2016-02-25

Piezoelectric drive circuit

#82
20160049887
2016-02-18

Piezoelectric driving device and driving method thereof, robot and driving method thereof

#83
20160049886
2016-02-18

Piezoelectric driving device, robot, and driving method of the same

#84
20160049572
2016-02-18

Piezoelectric driving device, robot, and driving method of the same

#85
20150318801
2015-11-05

Piezoelectric actuator and robot

#86
20150286050
2015-10-08

Driving apparatus, driving method thereof, and scanning mirror

#87
20150270790
2015-09-24

Ultrasonic motor control system and method

#88
20150229238
2015-08-13

Piezoelectric device, piezoelectric actuator, hard disk drive, and inkjet printer apparatus

#89
20150188456
2015-07-02

Piezoelectric element driving apparatus and method, and piezoelectric system using the same

#90
20150188455
2015-07-02

Vibration generating apparatus

#91
20150091476
2015-04-02

DEVICE FOR DRIVING PIEZO-ACTUATOR AND DRIVING METHOD THEREFOR

#92
20150077117
2015-03-19

Method and remotely adjustable reactive and resistive electrical elements

#93
20150069934
2015-03-12

Regenerative drive for piezoelectric transducers

#94
20150022056
2015-01-22

System for driving a piezoelectric load and method of making same

#95
20140352459
2014-12-04

DRIVE DEVICE, ELECTRONIC COMPONENT CARRYING DEVICE, ELECTRONIC COMPONENT INSPECTION DEVICE, ROBOT HAND, AND ROBOT

#96
20140306624
2014-10-16

System and method for controlling an active material actuator

#97
20140305716
2014-10-16

Miniature robot having multiple legs using piezo legs having two degrees of freedom

#98
20140218814
2014-08-07

Driving apparatus, optical apparatus and imaging apparatus

#99
20140213973
2014-07-31

System comprising a secondary device with a piezoelectric actuator wirelessly supplied and controlled by a primary device

#100
20140192105
2014-07-10

Piezoelectric element drive method and liquid ejecting device

#101
20140159620
2014-06-12

Actuator drive device

#102
20140132112
2014-05-15

Method for actuating a multi-actuator drive device

#103
20140125257
2014-05-08

Method and device for operating a piezoelectric actuator

#104
20140074297
2014-03-13

Control device, actuator including control device, image blur correction device, replacement lens, imaging device and automatic stage

#105
20140071545
2014-03-13

Control device, actuator including control device, image blur correction device, interchangeable lens, image pickup apparatus, and automatic stage

#106
20140062346
2014-03-06

Switched capacitor charge pump driver for piezoelectric actuator

#107
20140035437
2014-02-06

Driving apparatus

#108
20140001922
2014-01-02

Ultrasonic motor

#109
20130334989
2013-12-19

DRIVING DEVICE FOR VIBRATION-TYPE ACTUATOR AND MEDICAL SYSTEM USING SAME

#110
20130285505
2013-10-31

Actuator apparatus, test apparatus, and test method

#111
20130264909
2013-10-10

System for driving a piezoelectric load and method of making same

#112
20130162104
2013-06-27

Ultrasonic motor

#113
20130140949
2013-06-06

Drive device, electronic component transporting apparatus, electronic component inspecting apparatus, robot hand, and robot

#114
20130082567
2013-04-04

Ultrasonic device

#115
20130063319
2013-03-14

Method and remotely adjustable reactive and resistive electrical elements

#116
20130002411
2013-01-03

Haptic actuator apparatuses and methods thereof

#117
20120242550
2012-09-27

Remotely adjustable reactive and resistive electrical elements and method

#118
20120242191
2012-09-27

Driver for optical deflector using two modified syncronous saw-tooth drive voltages and method for setting the same

#119
20120110758
2012-05-10

Driving method for piezoelectric vibrator, and dust removing device and ultrasonic motor using the driving method

#120
20120099404
2012-04-26

Ultrasonic transducer, ultrasonic transducer array, and ultrasonic device

#121
20120013220
2012-01-19

PIEZOELECTRIC ACTUATOR DRIVE UNIT

#122
20110285330
2011-11-24

Driver circuit and method for controlling a capacitive element

#123
20110101894
2011-05-05

Methods for reducing power consumption of at least partially resonant actuator systems and systems thereof

#124
20110080148
2011-04-07

Soft starting driver for piezoelectric device

#125
20110057543
2011-03-10

Vibratory actuator

#126
20100309366
2010-12-09

Integrated PWM slope control driving mechanism for gradually delivering energy to a capacitive load

#127
20100264856
2010-10-21

Operating method and driving means of a piezolinear drive

#128
20100250092
2010-09-30

Device and method for emulating an actuator

#129
20100241274
2010-09-23

Plural actuator system and control method thereof

#130
20100148627
2010-06-17

Ultrasonic transducer, ultrasonic transducer array, and ultrasonic device

#131
20100066205
2010-03-18

Drive unit

#132
20100052579
2010-03-04

Drive circuit for a capacitive load

#133
20090189550
2009-07-30

Motor controller and motor assembly

#134
20090167408
2009-07-02

Driving circuit for capacitive load

#135
20090039806
2009-02-12

Ultrasonic motor driving method and ultrasonic motor

#136
20090001851
2009-01-01

Driving apparatus, holding apparatus, exposure apparatus, and device fabrication method

#137
20080278032
2008-11-13

Drive unit

#138
20080272672
2008-11-06

Drive unit

#139
20080088203
2008-04-17

Ultrasonic driving device with current limiting protection

#140
20070081805
2007-04-12

Combined actuator for camera shutter and focus functions

#141
20070043451
2007-02-22

Method and circuit arrangement for the precise dynamic digital control of especially piezoelectric actuators for micropositioning systems

#142
20070040471
2007-02-22

Load adaptive class de driving amplifier for piezoelectric actuators

#143
20070008357
2007-01-11

Piezo actuator driving circuit

#144
20060290234
2006-12-28

Driving method for ultrasonic motor and apparatus using the same

#145
20060267452
2006-11-30

Piezoelectric driving device and a regulation method for a piezoelectric driving device

#146
20060175930
2006-08-10

Multilayer piezoelectric motor

#147
20060113866
2006-06-01

High resolution piezoelectric motor

#148
20060082254
2006-04-20

Control method of piezoelectric actuator, position control equipment, and disk device

#149
20060061232
2006-03-23

Piezoelectric actuator drive system

#150
20050285477
2005-12-29

Energy saving driving circuit for piezoelectric motor

#151
20050280332
2005-12-22

Driving circuit for piezoelectric motor

#152
20050122069
2005-06-09

Discharging circuit for a piezoelectric device

#153
20050104475
2005-05-19

Current detection circuit and current detection method

#154
20050000311
2005-01-06

Actuator system

#155
17381546
2022-07-05

Driver circuitry

#156
15492359
2017-08-22

Method and apparatus for producing optical tracking and nutation at high frequencies with low power

#157
14793058
2019-05-28

Electrochemical device for generating a time dependent electrical signal