ClassID:

197214

G10K2210/121 - CPC Classification

Classification description:

Details of active noise control [ANC] covered by but not provided for in any of its subgroups; Applications Rotating machines, e.g. engines, turbines, motors; Periodic or quasi-periodic signals in general

Recent Application in this class:
#1
20250363974
2025-11-27

VEHICLE CONTROL METHOD AND APPARATUS, ELECTRONIC DEVICE, AND STORAGE MEDIUM

#2
20250174219
2025-05-29

METHOD OF CONTROLLING TRAVELING SOUND OF ELECTRIC VEHICLE USING MOTOR VIBRATION AND VIRTUAL TRANSMISSION SIGNAL

#3
20230392822
2023-12-07

ACOUSTIC DAMPENING AIR MOVING DEVICE HOUSING

#4
20230121653
2023-04-20

WORK MACHINE

#5
20230114011
2023-04-13

Work machine

#6
20220375449
2022-11-24

Adaptive noise cancellation for multi-rotor vehicle

#7
20220349380
2022-11-03

Rotor blade with noise reduction

#8
20220208167
2022-06-30

Active sound management in noise cancelation systems

#9
20220180850
2022-06-09

Noise control

#10
20220025859
2022-01-27

Wind turbine noise masking

#11
20220013100
2022-01-13

Apparatus for synthesizing engine sound

#12
20210290002
2021-09-23

Drying apparatus and related noise suppression methods

#13
20210225353
2021-07-22

Active vibratory noise reduction system

#14
20210225351
2021-07-22

Noise control system

#15
20210225350
2021-07-22

Active noise reduction method, system, and new energy vehicle

#16
20200227021
2020-07-16

CONSUMER APPLIANCES HAVING ONE OR MORE NOISE CANCELLATION FEATURES

#17
20200147623
2020-05-14

Method for operating a centrifugal separator

#18
20190295524
2019-09-26

Noise reduction apparatus

#19
20190292983
2019-09-26

Rotor-stator blade interference noise reduction system and flying object

#20
20190213992
2019-07-11

Active noise control for hydraulic fracturing equipment

#21
20190185149
2019-06-20

Multi-rotor tonal noise control for UAV

#22
20190130891
2019-05-02

Active noise cancellation

#23
20190126285
2019-05-02

Laboratory mill

#24
20190106204
2019-04-11

Unmanned flying object

#25
20190096383
2019-03-28

ACTIVE NOISE CONTROL ROOF PANEL DAMPENING SYSTEM

#26
20190078394
2019-03-14

System and method for noise, vibration, and light pollution management on rig systems

#27
20180366103
2018-12-20

Sound effect generation device for vehicles

#28
20180166060
2018-06-14

Active cancellation of a pulsating flow with a source noise reference

#29
20180066545
2018-03-08

Turbomachine test bench with active noise control

#30
20170365246
2017-12-21

Active vibration noise control apparatus

#31
20170358290
2017-12-14

Food waste disposer noise reduction using active noise control

#32
20170174334
2017-06-22

PIEZOELECTRIC TRANSDUCERS ON PROPELLER BLADES FOR SOUND CONTROL

#33
20160063987
2016-03-03

Unmanned aerial vehicle (UAV) for collecting audio data

#34
20160012815
2016-01-14

Active vibration/noise control apparatus

#35
20150367169
2015-12-24

Noise cancelling mechanism in a treadmill

#36
20150063582
2015-03-05

Engine harmonic cancellation system afterglow mitigation

#37
20140079234
2014-03-20

Noise suppression device, system, and method

#38
20140016790
2014-01-16

Balancing power plant sound

#39
20130315409
2013-11-28

Active noise control apparatus

#40
20130164135
2013-06-27

Active Noise Suppression on a Wind Turbine

#41
20130108067
2013-05-02

Overload protection for loudspeakers in exhaust systems

#42
20120288112
2012-11-15

METHOD AND CONTROLLER FOR CONTROLLING NOISE OF ROTATING DEVICE

#43
20110026723
2011-02-03

Active vibratory noise control apparatus

#44
20090028353
2009-01-29

Active sound effect generating apparatus

#45
20080173496
2008-07-24

Method for operating mode-dependent sound control

#46
20060144472
2006-07-06

Damping and actuating apparatus comprising magnetostrictive material, a vibration dampening device and use of said apparatus

#47
16132101
2022-01-25

Delivery sound masking and sound emission

#48
15479016
2018-10-16

Delivery sound masking and sound emission

#49
14977455
2017-05-09

Delivery sound masking and sound emission