ClassID:

218070

H02N2/008 - 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 Means for controlling vibration frequency or phase, e.g. for resonance tracking

Recent Application in this class:
#1
20250309789
2025-10-02

VIBRATION TYPE DRIVING DEVICE

#2
20250112563
2025-04-03

Multi Drive-Mode Actuators

#3
20240313669
2024-09-19

SOFT HAPTIC DEVICE AND METHOD FOR LOCAL CONTROL THEREIN

#4
20240048012
2024-02-08

ACTUATOR DEVICE MANUFACTURING METHOD

#5
20230384581
2023-11-30

PIEZOELECTRICALLY-ACTUATED RESONANT SCANNING MIRROR

#6
20230268848
2023-08-24

VIBRATION-TYPE DRIVE APPARATUS, AND DRIVE METHOD FOR VIBRATION-TYPE DRIVE APPARATUS

#7
20230198426
2023-06-22

Ultrasonic motor, robot, and life diagnostic method of ultrasonic motor

#8
20230163702
2023-05-25

PIEZOELECTRIC DEVICE

#9
20210376771
2021-12-02

Driving device, tactile sensation providing apparatus, and driving method

#10
20210099106
2021-04-01

Control apparatus for vibration motor, vibration apparatus having the same, and control method of vibration motor

#11
20210041954
2021-02-11

Display device

#12
20200412278
2020-12-31

Control method and system for reducing vibration of second casing of mobile terminal

#13
20200263906
2020-08-20

Experimentation Apparatus to Test for Heat Produced by Cavitation

#14
20200235678
2020-07-23

Vibration type actuator and manufacturing method of vibration type actuator

#15
20200106372
2020-04-02

Control method for vibration type actuator including vibrator and contact body moving relative to each other, drive control device, vibration type drive device, and apparatus

#16
20200097244
2020-03-26

Display apparatus

#17
20190280622
2019-09-12

Control apparatus, control method, and driving apparatus for vibration-type actuator, and electronic apparatus equipped with vibration-type actuator

#18
20190131891
2019-05-02

Actuator, optical device, and projector

#19
20190030567
2019-01-31

Piezoelectric driving device, driving method of piezoelectric driving device, and robot

#20
20180358908
2018-12-13

Microelectromechanical system and control method to control a piezoelectric drive based on an admittance or impedance of the piezoelectric drive

#21
20180331634
2018-11-15

Control apparatus for vibratory actuator, driving apparatus, imaging apparatus, and method for controlling vibratory actuator

#22
20180323728
2018-11-08

Device for integrating electric conductors into low-frequency electric tank circuits

#23
20180316282
2018-11-01

Control device for vibration actuator, method of controlling vibration actuator, robot, electronic component conveyance apparatus, printer, projector, and vibration device

#24
20180309391
2018-10-25

Piezoelectric actuator drive circuit

#25
20180183356
2018-06-28

Semi-resonant motion devices and methods thereof

#26
20180183354
2018-06-28

Method for controlling an ultrasound motor and corresponding control arrangement

#27
20180006583
2018-01-04

Method and device for controlling a piezoelectric motor

#28
20170194879
2017-07-06

Vibration type actuator control apparatus, apparatus having the same, and storage medium storing vibration type actuator control program

#29
20170163176
2017-06-08

Method of driving vibration actuator with enhanced sliding efficiency, vibration drive device, and mechanical apparatus

#30
20170126148
2017-05-04

Piezoelectric device drive circuit and suction apparatus

#31
20170093304
2017-03-30

Control apparatus, control method, and driving apparatus for vibration-type actuator, and electronic apparatus equipped with vibration-type actuator

#32
20170092837
2017-03-30

Vibration-type actuator, driving method for vibration-type actuator, and electronic apparatus equipped with vibration-type actuator

#33
20170054387
2017-02-23

Driving circuit for a vibration type actuator, vibration device, image blur correction apparatus, replacement lens, image pickup apparatus, and automatic stage

#34
20170052429
2017-02-23

Vibration motor controller, and lens apparatus and image pickup apparatus that include the same

#35
20170045734
2017-02-16

Method for calculating scanning pattern of light, and optical scanning apparatus

#36
20170019601
2017-01-19

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

#37
20160336879
2016-11-17

Control apparatus of vibration-type actuator and control method of vibration-type actuator

#38
20160173005
2016-06-16

Control apparatus of vibration-type actuator

#39
20160173004
2016-06-16

Space vector pulse modulation based motor driver

#40
20160036353
2016-02-04

Increased force generation in electroactive polymers

#41
20150318801
2015-11-05

Piezoelectric actuator and robot

#42
20150171883
2015-06-18

APPARATUS AND METHOD FOR GENERATING SINUSOIDAL WAVES, AND SYSTEM FOR DRIVING PIEZO ACTUATOR USING THE SAME

#43
20150171792
2015-06-18

Apparatus and method for generating sinusoidal waves, and system for driving piezoelectric actuator using the same

#44
20150155800
2015-06-04

Acoustic mechanical feed-throughs for producing work across a structure

#45
20150114164
2015-04-30

Piezoelectric motor, robot hand, robot, finger assist apparatus, electronic component conveying apparatus, electronic component inspecting apparatus, liquid feeding pump, printing apparatus, electronic timepiece, and projection apparatus

#46
20150006038
2015-01-01

METHOD AND A DEVICE TO START AND SUSTAIN STRUCTURAL VIBRATIONS IN A STRUCTURAL COMPONENT

#47
20140366672
2014-12-18

PIEZOELECTRIC ACTUATOR, ROBOT HAND, AND ROBOT

#48
20140292233
2014-10-02

Driving circuit for vibration-type actuator

#49
20140265943
2014-09-18

Ultrasonic transducer control

#50
20140191691
2014-07-10

Control apparatus of vibration-type actuator and control method of vibration-type actuator

#51
20140042935
2014-02-13

Piezoelectric driving circuit and piezoelectric driving method

#52
20140009846
2014-01-09

Vibration-type motor controller and optical apparatus

#53
20140009088
2014-01-09

Driving circuit for vibration-type actuator

#54
20130307440
2013-11-21

Method and device for electrically exciting an actuator for an ultrasonic motor

#55
20130278179
2013-10-24

Drive unit

#56
20130250417
2013-09-26

Vibrating apparatus, driving apparatus having the vibrating apparatus, and optical device

#57
20130249445
2013-09-26

CONTROL APPARATUS OF VIBRATION-TYPE ACTUATOR

#58
20130093528
2013-04-18

Method for operating control equipment of a resonance circuit and control equipment

#59
20120316675
2012-12-13

Piezoelectric actuator, robot hand, and robot

#60
20120293041
2012-11-22

Piezoelectric actuator driver circuit

#61
20120228994
2012-09-13

Actuator

#62
20120146459
2012-06-14

Vibration type driving apparatus

#63
20120032557
2012-02-09

Vibration generating device, driving method therefor, foreign substance removing device, and optical device

#64
20110298400
2011-12-08

Control apparatus of vibration-type actuator and control method of vibration-type actuator

#65
20110169374
2011-07-14

Method for tuning a resonant frequency of a piezoelectric component

#66
20110121686
2011-05-26

Driving circuit for vibration-type actuator

#67
20110095711
2011-04-28

Single-stage zero-current switching driving circuit for ultrasonic motor

#68
20110068718
2011-03-24

Vibration-type motor controller and optical apparatus

#69
20110068658
2011-03-24

Piezoelectric actuator driver circuit

#70
20110057543
2011-03-10

Vibratory actuator

#71
20110050035
2011-03-03

Ultrasonic motor

#72
20110018475
2011-01-27

Ultrasonic motor

#73
20110018392
2011-01-27

Ultrasonic linear drive unit comprising a hollow cylindrical oscillator

#74
20100289381
2010-11-18

Automated drive frequency control for resonant actuator systems and methods thereof

#75
20100213882
2010-08-26

Drive unit

#76
20100085649
2010-04-08

Optical objective module

#77
20100013353
2010-01-21

Piezoelectric actuator for an ultrasonic motor

#78
20090243431
2009-10-01

Piezoelectric element drive device, electronic apparatus, and method for controlling piezoelectric element drive frequency

#79
20090224630
2009-09-10

Ultrasonic actuator

#80
20090009109
2009-01-08

Method for driving ultrasonic motor

#81
20090009032
2009-01-08

Linear ultrasound motor

#82
20080266004
2008-10-30

Phase-locked loop and method for operating an electromechanical system

#83
20080150393
2008-06-26

Ultrasonic motor

#84
20080129145
2008-06-05

PIEZOELECTRIC ACTUATOR AND METHOD FOR SEARCHING OPTIMAL DRIVING FREQUENCY USING THE SAME

#85
20080048522
2008-02-28

Vibration wave motor control apparatus, vibration wave motor control method, program, and storage medium

#86
20080030101
2008-02-07

Ultrasonic motor

#87
20070108870
2007-05-17

Motor driving method, program therefor, and motor driving apparatus

#88
20070108869
2007-05-17

Driving and control apparatus of piezoelectric ultrasonic motor

#89
20070090779
2007-04-26

Frequency control circuit, motor drive apparatus, frequency control method, control method of motor drive apparatus, and program allowing computer to execute control method

#90
20070029896
2007-02-08

Frequency-control-type piezo actuator driving circuit and method of driving the same

#91
20060071723
2006-04-06

Resonance control apparatus for a piezoelectrical device based on phase sensitive detection

#92
20060001332
2006-01-05

Class DE driving amplifier for piezoelectric actuators

#93
20060001331
2006-01-05

Piezoelectric actuator and device

#94
20050116583
2005-06-02

Device and method for driving ultrasonic actuator

#95
20050110368
2005-05-26

Piezoelectric motor control

#96
20050052095
2005-03-10

Ultrasonic actuator driving apparatus and ultrasonic actuator driving method