ClassID:

218090

H02N2/103 - page 2 - CPC Classification

Classification description:

Electric machines in general using piezo-electric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors by pressing one or more vibrators against the rotor

Recent Application in this class:
#301
20110025169
2011-02-03

PIEZOELECTRIC DRIVE UNIT

#302
20110018394
2011-01-27

Vibratory actuator

#303
20110001391
2011-01-06

Drive unit

#304
20100245518
2010-09-30

PIEZOELECTRIC MOTOR, LIQUID EJECTING APPARATUS AND TIMEPIECE

#305
20100245517
2010-09-30

Piezoelectric motor, liquid ejecting apparatus, and clock

#306
20100244627
2010-09-30

Drive unit

#307
20100237743
2010-09-23

Ultrasonic actuator with flexible cable connection member

#308
20100213882
2010-08-26

Drive unit

#309
20100201224
2010-08-12

Stick-slip piezoelectric motor

#310
20100187950
2010-07-29

Ultrasonic motor drive apparatus

#311
20100177603
2010-07-15

Piezoelectric drive device and electronic device

#312
20100176690
2010-07-15

Vibratory actuator and drive device using the same

#313
20100156240
2010-06-24

Piezoelectric motor

#314
20100156239
2010-06-24

Piezoelectric quasi-resonance linear motors based on acoustic standing waves with combined resonator

#315
20100150754
2010-06-17

PIEZOELECTRIC PUMP

#316
20100148630
2010-06-17

Piezoelectric motor with high torque

#317
20100148102
2010-06-17

Valves based on reversible piezoelectric rotary motor

#318
20100127598
2010-05-27

MINIATURE PIEZOELECTRIC MOTORS FOR ULTRA HIGH-PRECISION STEPPING

#319
20100084945
2010-04-08

Controllable coupling force

#320
20100038996
2010-02-18

Semi-resonant driving systems and methods thereof

#321
20100019621
2010-01-28

ULTRASONIC MOTOR AND ULTRASONIC MOTOR APPARATUS RETAINING THE SAME

#322
20090278421
2009-11-12

Ultrasonic motor

#323
20090257139
2009-10-15

Lens driving mechanism and image pickup apparatus using the same

#324
20090256445
2009-10-15

Ultrasonic motor and ultrasonic vibrator

#325
20090212661
2009-08-27

Piezoelectric generator of mechanical vibrations, and piezoelectric motors based on the generator

#326
20090160291
2009-06-25

PIEZOELECTRIC ACTUATOR

#327
20090121586
2009-05-14

Apparatus for transforming inverse piezoelectric effect into rotary motion and method of manufacturing aforementioned apparatus

#328
20090091213
2009-04-09

Ultrasonic actuator

#329
20090072666
2009-03-19

Ultrasonic actuator which acts on a rotor to rotate the rotor

#330
20090058227
2009-03-05

Piezoelectric motor and camera device

#331
20090039736
2009-02-12

Ultrasonic actuator and method for manufacturing piezoelectric deformation portion used in the same

#332
20090039734
2009-02-12

Piezoelectric motor and camera device

#333
20090026884
2009-01-29

Ultrasonic actuator

#334
20090021114
2009-01-22

Piezoelectric element and ultrasonic actuator

#335
20090015099
2009-01-15

Vibration actuator and drive unit including the same

#336
20090015098
2009-01-15

Ultrasonic actuator and magnetic recording apparatus using the same

#337
20090009109
2009-01-08

Method for driving ultrasonic motor

#338
20080303380
2008-12-11

Piezoelectric actuator and method for driving the same

#339
20080297002
2008-12-04

Friction drive actuator and hard disk device using such actuator

#340
20080278033
2008-11-13

Piezoelectric element, vibratory actuator and drive unit

#341
20080278032
2008-11-13

Drive unit

#342
20080259466
2008-10-23

Platform transport systems

#343
20080247059
2008-10-09

Miniature Piezoelectric Motor and Method of Driving Elements Using Same

#344
20080240704
2008-10-02

Driving mechanism

#345
20080238249
2008-10-02

Piezoelectric motor and piezoelectric motor system

#346
20080212415
2008-09-04

Piezoelectric drive device and electronic device

#347
20080192584
2008-08-14

Piezoelectric transducer, piezoelectric actuator, and portable device

#348
20080179996
2008-07-31

Piezoelectric element and ultrasonic actuator

#349
20080150393
2008-06-26

Ultrasonic motor

#350
20080093953
2008-04-24

Piezoelectric motor

#351
20070247023
2007-10-25

Drive apparatus

#352
20070228875
2007-10-04

Piezoelectric actuator

#353
20070194660
2007-08-23

Piezoelectric actuator, drive control method of piezoelectric actuator, and electronic device

#354
20070188050
2007-08-16

Piezoelectric vibrator, intrinsic frequency adjusting method of piezoelectric vibrator, piezoelectric actuator and electronic device

#355
20070182281
2007-08-09

Exciting method for elastic vibration member and vibratory driving device

#356
20070164635
2007-07-19

Drive unit

#357
20070138910
2007-06-21

Multidirectional piezoelectric motor configuration

#358
20070064320
2007-03-22

Driving device, lens barrel and imaging apparatus

#359
20070046144
2007-03-01

Drive control method for a piezoelectric actuator, drive control apparatus for a piezoelectric actuator, and electronic device

#360
20070040871
2007-02-22

Drive control device for a piezoelectric actuator, electronic device, and drive control method for a piezoelectric actuator

#361
20070008829
2007-01-11

Piezoelectric actuator and electronic equipment with piezoelectric actuator

#362
20070001547
2007-01-04

Piezoactuator drive detection device and electronic device

#363
20060250048
2006-11-09

Drive apparatus and device with same

#364
20060250047
2006-11-09

Driving system for vibrating type actuator and method of driving vibrating type actuator

#365
20060226737
2006-10-12

Piezoelectric actuator, timepiece, and portable device

#366
20060186760
2006-08-24

Ultrasonic driving apparatus

#367
20060175929
2006-08-10

Piezoelectric vibrator, method for adjusting piezoelectric vibrator, piezoelectric actuator, timepiece, and electronic device

#368
20060145572
2006-07-06

Method for operating a piezoelectric motor, and piezoelectric motor comprising a stator in the form of a hollow-cylindrical oscillator

#369
20060113868
2006-06-01

Vibration wave motor and lens barrel

#370
20060113867
2006-06-01

Vibration wave motor

#371
20060113863
2006-06-01

Drive apparatus for piezoelectric actuator, drive method for piezoelectric actuator, electronic device, control program for drive apparatus for piezoelectric actuator, and recording medium

#372
20060071723
2006-04-06

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

#373
20060066179
2006-03-30

Energy efficient vibration driven motor

#374
20060061235
2006-03-23

Ultrasonic motor and method for operating the same

#375
20060006764
2006-01-12

Piezoelectric motors and motor driving configurations

#376
20060006762
2006-01-12

Drive method for piezoelectric actuator, drive apparatus for piezoelectric actuator, electronic device, control program for drive apparatus for piezoelectric actuator, and recording medium

#377
20060001331
2006-01-05

Piezoelectric actuator and device

#378
20060001330
2006-01-05

Drive method for piezoelectric actuator, drive apparatus for piezoelectric actuator, electronic device, control program for drive apparatus for piezoelectric actuator, and recording medium

#379
20050285481
2005-12-29

Rotation/displacement converting actuator

#380
20050253485
2005-11-17

Ultrasonic motor

#381
20050253484
2005-11-17

Ultrasonic motor

#382
20050242686
2005-11-03

Vibration-type driving device, control apparatus for controlling the driving of the vibration-type driving device, and electronic equipment having the vibration-type driving device and the control apparatus

#383
20050231069
2005-10-20

Piezoelectric actuator drive apparatus, electronic device, driving method thereof, drive control program thereof, and storage medium in which program is stored

#384
20050212386
2005-09-29

Rotation/displacement converting actuator

#385
20050184621
2005-08-25

Piezoelectric actuator, timepiece, and electronic device

#386
20050127787
2005-06-16

Biaxial piezoelectric motor

#387
20050127784
2005-06-16

Piezoelectric motor and method for actuating same

#388
20050110368
2005-05-26

Piezoelectric motor control

#389
20050082950
2005-04-21

Piezoelectric actuator module, motor module and apparatus

#390
20050082947
2005-04-21

Piezoelectric motor with actuator to move the rotor about two orthogonal axes

#391
20050012433
2005-01-20

Long life piezoelectric drive and components

#392
20050006983
2005-01-13

Piezoelectric motor

#393
18626032
2024-11-12

Piezoelectric motor using longitudinal and bending vibration modes

#394
17343261
2026-01-13

Piezoelectric actuator for deformable lens