ClassID:

232139

H04R2209/027 - CPC Classification

Classification description:

Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by but not provided for in any of its subgroups Electrical or mechanical reduction of yoke vibration

Recent Application in this class:
#1
20260039995
2026-02-05

LOW PROFILE LOUDSPEAKER DEVICE

#2
20250113147
2025-04-03

SPEAKER

#3
20250024194
2025-01-16

LOW PROFILE LOUDSPEAKER DEVICE

#4
20240348985
2024-10-17

LOUDSPEAKER

#5
20240298117
2024-09-05

Line damper bellows dual opposing driver speaker

#6
20240040320
2024-02-01

Actuator module with improved damage resistance

#7
20230276175
2023-08-31

Low profile loudspeaker device

#8
20230037430
2023-02-09

Speaker

#9
20220394389
2022-12-08

Integrated transducer

#10
20220329949
2022-10-13

Sound production device and electronic apparatus therefor

#11
20220272457
2022-08-25

Actuator module with improved damage resistance

#12
20220174410
2022-06-02

Sounding device

#13
20220174382
2022-06-02

Speaker device

#14
20220174381
2022-06-02

Speaker device

#15
20220109936
2022-04-07

In line damper bellows dual opposing driver speaker

#16
20220038810
2022-02-03

Receiver having pressure equilibrium structure

#17
20210314709
2021-10-07

Multilayer panel speaker and method of manufacturing the same

#18
20200296502
2020-09-17

Low profile loudspeaker device

#19
20190222923
2019-07-18

Speaker frame and speaker having the same

#20
20190215612
2019-07-11

Speaker

#21
20180288529
2018-10-04

Loudspeaker with vibration control system

#22
20180199133
2018-07-12

Speaker frame and speaker having the same

#23
20180199132
2018-07-12

Speaker frame and speaker having the same

#24
20180115828
2018-04-26

Loudspeaker

#25
20180027323
2018-01-25

Speaker frame and speaker having the same

#26
20170353802
2017-12-07

Miniature loudspeaker

#27
20170289695
2017-10-05

Surface acoustic transducer

#28
20170257688
2017-09-07

Housing for a communication device and communication device

#29
20170150271
2017-05-25

Surface acoustic transducer

#30
20170150250
2017-05-25

Speaker frame and speaker having the same

#31
20170055069
2017-02-23

Loudspeaker

#32
20170034626
2017-02-02

SPEAKER

#33
20170006384
2017-01-05

Electroacoustic transducer

#34
20160261956
2016-09-08

ELECTROMAGNETIC TRANSDUCER FOR GENERATING VIBRATIONS FOR SOUND AND/OR WORDS BONE CONDUCTION

#35
20160241941
2016-08-18

Speaker frame and speaker having the same

#36
20160219371
2016-07-28

Loudspeaker

#37
20160127834
2016-05-05

Electronic device with micro speaker

#38
20150365745
2015-12-17

Speaker frame and speaker having the same

#39
20140219493
2014-08-07

Speaker frame and speaker having the same

#40
20140211963
2014-07-31

Loudspeaker with force cancelling configuration

#41
20130004007
2013-01-03

Open-baffle loudspeaker

#42
20120051573
2012-03-01

Passive acoustical radiating

#43
20120008813
2012-01-12

Baffle vibration reducing

#44
20110253473
2011-10-20

Acoustic waveguide vibration damping

#45
20110249858
2011-10-13

MULTIFUNCTIONAL MICRO SPEAKER

#46
20110249857
2011-10-13

Apparatus for reproduction of sound

#47
20110243367
2011-10-06

MULTIFUNCTIONAL MICRO SPEAKER

#48
20110013798
2011-01-20

Speaker frame and speaker having the same

#49
20100316235
2010-12-16

BONE CONDUCTION SPEAKER WITH VIBRATION PREVENTION FUNCTION

#50
20100294588
2010-11-25

Recoilless speaker system

#51
20100206661
2010-08-19

Acoustic waveguide vibration damping

#52
20100189284
2010-07-29

Vibration device and acoustic system

#53
20100150377
2010-06-17

SOUND OUTPUTTING APPARATUS TO CORRECT SOUND QUALITY AND METHOD OF CORRECTING SOUND QUALITY THEREOF

#54
20090208026
2009-08-20

Baffle vibration reducing

#55
20090175486
2009-07-09

SPEAKER

#56
20090159771
2009-06-25

Holder for a loudspeaker box

#57
20090057526
2009-03-05

Loudspeaker Stabilizer

#58
20090041289
2009-02-12

Electronic device

#59
20080279413
2008-11-13

Speaker support systems

#60
20080279412
2008-11-13

Vehicle speaker mounting system

#61
20080247578
2008-10-09

Hearing aid receiver with vibration compensation

#62
20070246291
2007-10-25

Audio system for portable device

#63
20070223775
2007-09-27

Voice coil bobbin and speaker system

#64
20070223712
2007-09-27

Composite damper for speaker

#65
20070127744
2007-06-07

Acoustical receiver housing for hearing aids

#66
20070092096
2007-04-26

PASSIVE ACOUSTICAL RADIATING

#67
20070053547
2007-03-08

Diaphragm for use in speakers and speaker provided with this diaphragm

#68
20070030992
2007-02-08

Low frequency loudspeaker enclosure

#69
20060291684
2006-12-28

Passive acoustic radiating

#70
20060233403
2006-10-19

Multi speaker unit and audio reproduction apparatus

#71
20060188123
2006-08-24

Frame for speaker device and speaker device

#72
20060159275
2006-07-20

Loudspeaker apparatus

#73
20060153416
2006-07-13

Vibration actuator device of portable terminal

#74
20050271243
2005-12-08

Speaker apparatus

#75
20050111673
2005-05-26

Baffle vibration reducing

#76
20050041829
2005-02-24

SPEAKER AND METHOD OF INSTALLING THE SAME

#77
20050018868
2005-01-27

Passive acoustic radiating

#78
20050008187
2005-01-13

Speaker cabinet

#79
14942569
2017-04-11

Surface acoustic transducer