ClassID:

218075

H02N2/021 - CPC Classification

Classification description:

Electric machines in general using piezo-electric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors using intermittent driving, e.g. step motors, piezoleg motors

Sub-classes:
Recent Application in this class:
#1
20220247329
2022-08-04

ACTUATOR

#2
20220037976
2022-02-03

ELECTRIC STEPPER MOTOR

#3
20210076140
2021-03-11

SURFACE SHAPE VARIABLE SHEET AND SURFACE SHAPE VARIABLE DEVICE

#4
20200244191
2020-07-30

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

#5
20200036301
2020-01-30

Optical member driving mechanism

#6
20200033556
2020-01-30

Optical component driving mechanism

#7
20200033554
2020-01-30

Driving mechanism

#8
20190372483
2019-12-05

Piezoelectric apparatus for motorization

#9
20190334076
2019-10-31

Hybrid actuator having a flexible printed circuit board for applying an electric current to a piezoelectric element and a coil inside a housing of the hybrid actuator

#10
20190292567
2019-09-26

Cell microinjection system with force feedback

#11
20190115229
2019-04-18

Positioning apparatus

#12
20190074778
2019-03-07

Piezoelectric drive with at least two independent drive sections

#13
20190036464
2019-01-31

Flexible and soft smart driving device

#14
20180262128
2018-09-13

Piezo motor driven device

#15
20170139171
2017-05-18

Lens driving device

#16
20160356630
2016-12-08

Active positioning encoder and operating method therefor

#17
20160329838
2016-11-10

Flexible and soft smart driving device

#18
20150167801
2015-06-18

Motor with linear actuators

#19
20140078487
2014-03-20

Method for moving an optical element of a projection exposure apparatus for microlithography

#20
20140077658
2014-03-20

Piezoelectric motor with efficient transfer of energy

#21
20130207521
2013-08-15

Method of forming a disc spring-based energy harvesting device

#22
20130016962
2013-01-17

Actuator and camera module having same

#23
20120320353
2012-12-20

Projection exposure apparatus with multiple sets of piezoelectric elements moveable in different directions and related method

#24
20120212103
2012-08-23

Provision of a normal force to electromechanical motor

#25
20120098468
2012-04-26

Electromechanical motor

#26
20120087023
2012-04-12

Piezoelectric actuator, lens barrel, and camera

#27
20120081802
2012-04-05

Piezoelectric actuator, lens barrel, and camera

#28
20120056509
2012-03-08

MECHANO-SENSITIVE ACTUATOR ARRAY

#29
20120025669
2012-02-02

Drive apparatus

#30
20110210647
2011-09-01

Electric universal drive

#31
20110096423
2011-04-28

Piezoelectric actuator, lens barrel and optical device

#32
20100284098
2010-11-11

Piezoelectric actuator, lens barrel and camera

#33
20100264856
2010-10-21

Operating method and driving means of a piezolinear drive

#34
20100245517
2010-09-30

Piezoelectric motor, liquid ejecting apparatus, and clock

#35
20100237748
2010-09-23

Spring disc energy harvester apparatus and method

#36
20100148629
2010-06-17

Guided electromechanical motor

#37
20100109477
2010-05-06

Prestress-adjustable piezoelectric gripping device

#38
20100031856
2010-02-11

Wireless actuator

#39
20100019622
2010-01-28

Electromechanical actuators and manufacturing method thereof

#40
20090225297
2009-09-10

Projection exposure apparatus and optical system

#41
20090115284
2009-05-07

Inchworm actuator based on shape memory alloy composite diaphragm

#42
20090026885
2009-01-29

Actuating device, fabricating method thereof, and module variation control device using the actuating device

#43
20090021113
2009-01-22

Actuator

#44
20080289952
2008-11-27

Surface deformation electroactive polymer transducers

#45
20080238247
2008-10-02

Piezo-electric motor

#46
20080223158
2008-09-18

Ratchet reset mechanism

#47
20080088208
2008-04-17

Actuator system

#48
20080034749
2008-02-14

Active material actuator with modulated movement

#49
20070290576
2007-12-20

Wide frequency range electromechanical actuator

#50
20070236314
2007-10-11

Actuators based on ferromagnetic shape memory alloy composites

#51
20070205699
2007-09-06

Heat efficient micromotor

#52
20070018535
2007-01-25

Control of a piezoelectric motor

#53
20050285479
2005-12-29

Devices with mechanical drivers for displaceable elements

#54
20050218851
2005-10-06

Feeder

#55
20050179343
2005-08-18

Wide frequency range electromechanical actuator

#56
20050157893
2005-07-21

Surface deformation electroactive polymer transducers

#57
20050151446
2005-07-14

System and method for moving an object employing piezo actuators

#58
20050127786
2005-06-16

System and method for moving an object employing piezo actuators

#59
20050102807
2005-05-19

Method for manufacturing a matrix type actuator

#60
20050073219
2005-04-07

Flat resonating electromechanical drive unit

#61
20050067236
2005-03-31

Piezoelectric actuator

#62
13998722
2016-12-27

Racheting micromotor using bi-directional actuator