ClassID:

231995

H04R9/043 - CPC Classification

Classification description:

Transducers of moving-coil, moving-strip, or moving-wire type; Details; Construction, mounting, or centering of coil; Centering Inner suspension or damper, e.g. spider

Recent Application in this class:
#1
20250386134
2025-12-18

Speaker Module, Speaker System, and Vehicle

#2
20250344023
2025-11-06

SUSPENSION MEMBERS FOR AUDIO PLAYBACK DEVICES

#3
20250317690
2025-10-09

LOUDSPEAKER SPIDERS

#4
20250287165
2025-09-11

WIRE DAMPER OF LOUDSPEAKER HAVING MULTIFILAMENT WIRES AND METHOD FOR MANUFACTURING THE SAME

#5
20250287153
2025-09-11

WIRE DAMPER OF LOUDSPEAKER WITH PERIODIC SPAN WIRES AND THE METHOD FOR MANUFACTURING THE SAME

#6
20250280253
2025-09-04

WIRE DAMPER OF LOUDSPEAKER WITH YARNS AT BOTH SIDES OF A WIRE ASSEMBLY BEING IN AN ARC FORM AND THE METHOD FOR MANUFACTURING THE SAME

#7
20250280242
2025-09-04

FABRIC MATERIAL INCLUDING WIRE DAMPER OF LOUDSPEAKER HAVING IMPROVED CENTER HOLE SHAPE BY WAVE CRESTS WITH UNEQUAL WIDTHS AND THE METHOD FOR MANUFACTURING THE SAME

#8
20250254468
2025-08-07

LOUDSPEAKER WITH REDUCED MOUNTING DEPTH AND HIGH EXCURSION

#9
20250220355
2025-07-03

LOUDSPEAKER

#10
20250133347
2025-04-24

SPEAKER DEVICE

#11
20250113147
2025-04-03

SPEAKER

#12
20250030986
2025-01-23

SPEAKER

#13
20250030985
2025-01-23

SPEAKER

#14
20250016497
2025-01-09

SPEAKER DEVICE

#15
20250008271
2025-01-02

SPEAKER THAT VIBRATES DIAPHRAGM

#16
20240430621
2024-12-26

VIBRATION DAMPING LOUDSPEAKER

#17
20240430619
2024-12-26

MICRO-SPEAKER DEVICE

#18
20240397266
2024-11-28

SPEAKER DEVICE

#19
20240388861
2024-11-21

DAMPER HAVING CONDUCTIVE STRUCTURES WITH WIDE, THIN AND FLAT SHAPE, AND METHOD FOR MANUFACTURING THE SAME

#20
20240340591
2024-10-10

SPEAKER

#21
20240298116
2024-09-05

DUAL-CONE SPEAKER

#22
20240276153
2024-08-15

ACOUSTIC TRANSDUCER SYSTEMS AND METHODS OF OPERATING ACOUSTIC TRANSDUCER SYSTEMS FOR OPTIMIZING BARGE-IN PERFORMANCE

#23
20240223957
2024-07-04

VIBRATOR AND HEARING DEVICE

#24
20240179470
2024-05-30

ELASTIC SUPPORT, ELECTRONIC DEVICE AND TERMINAL

#25
20240155295
2024-05-09

Damper and sound-producing device

#26
20240155286
2024-05-09

DISPLAY APPARATUS

#27
20240114293
2024-04-04

Sounding Device

#28
20240080612
2024-03-07

APPARATUS

#29
20240040320
2024-02-01

Actuator module with improved damage resistance

#30
20240022863
2024-01-18

SPEAKER STRUCTURE AND SPEAKER DEVICE

#31
20240022862
2024-01-18

SPEAKER STRUCTURE AND SPEAKER DEVICE

#32
20240022861
2024-01-18

SPEAKER DEVICE

#33
20240022853
2024-01-18

Speaker

#34
20240015443
2024-01-11

LOUDSPEAKER

#35
20230379633
2023-11-23

SPEAKER UNIT WITH A SPEAKER FRAME AND TWO OPPOSING SOUND PRODUCING MEMBRANES

#36
20230379632
2023-11-23

System and methods for improved acousto-haptic speakers

#37
20230362548
2023-11-09

Speaker and Terminal

#38
20230353934
2023-11-02

SOUND GENERATING APPARATUS

#39
20230328444
2023-10-12

Multifunctional sounding device and electronic device

#40
20230328436
2023-10-12

Speaker Device and Acoustic System

#41
20230319482
2023-10-05

LOUDSPEAKER

#42
20230308807
2023-09-28

MICRO-SPEAKER DEVICE AND DAMPER FOR MICRO-SPEAKER DEVICES

#43
20230269539
2023-08-24

TRANSDUCER ASSEMBLY AND ASSOCIATED SIGNAL PROCESSING

#44
20230254647
2023-08-10

ELECTRODYNAMIC TRANSDUCER

#45
20230247369
2023-08-03

APPLICATION DEVICE

#46
20230247366
2023-08-03

SOUND PRODUCTION APPARATUS AND ELECTRONIC DEVICE

#47
20230247365
2023-08-03

APPLICATION DEVICE

#48
20230239624
2023-07-27

Sound generation device and electronic apparatus

#49
20230232158
2023-07-20

LOUDSPEAKER AND ELECTRONIC DEVICE

#50
20230232157
2023-07-20

APPLICATION DEVICE

#51
20230199395
2023-06-22

Speaker

#52
20230199371
2023-06-22

Sounding device

#53
20230164505
2023-05-25

METHOD FOR MANUFACTURING LOUDSPEAKER HAVING WIRE DAMPER WITH LOCALLY ADJUSTABLE ELASTICITY

#54
20230023373
2023-01-26

Acoustic transducer systems and methods of operating acoustic transducer systems for optimizing barge-in performance

#55
20230007402
2023-01-05

Electro-acoustic transducer

#56
20220417665
2022-12-29

Playback devices having enhanced spider coupling portions

#57
20220417664
2022-12-29

MICRO-SPEAKER AND DAMPER FOR MICRO-SPEAKERS

#58
20220400347
2022-12-15

Acoustic transducer having drop ring connected at resonant node

#59
20220394391
2022-12-08

Loudspeaker spiders

#60
20220394390
2022-12-08

Sound-producing device and electronic terminal

#61
20220394389
2022-12-08

Integrated transducer

#62
20220386035
2022-12-01

SPEAKER COMPRISING SPLIT GAP PLATE STRUCTURE

#63
20220386034
2022-12-01

Sound-producing device

#64
20220329949
2022-10-13

Sound production device and electronic apparatus therefor

#65
20220322012
2022-10-06

LOUDSPEAKER, AND MANUFACTURING METHOD AND SOUND PRODUCTION METHOD THEREFOR

#66
20220312123
2022-09-29

Speaker

#67
20220272457
2022-08-25

Actuator module with improved damage resistance

#68
20220210574
2022-06-30

Diaphragm for Waterproof Microspeaker

#69
20220210564
2022-06-30

Speaker

#70
20220182765
2022-06-09

Speaker device

#71
20220174441
2022-06-02

LOUDSPEAKER HAVING WIRE DAMPER WITH LOCALLY ADJUSTABLE ELASTICITY AND METHOD FOR MANUFACTURING THE SAME

#72
20220174414
2022-06-02

Sound generator

#73
20220174413
2022-06-02

Sounding device

#74
20220174410
2022-06-02

Sounding device

#75
20220159382
2022-05-19

Bone conduction speaker with a conductive damper

#76
20220038824
2022-02-03

Inertial exciters, drive units and loudspeakers

#77
20220038822
2022-02-03

Speaker assembly and display device comprising it

#78
20210409870
2021-12-30

Vibration generation apparatus

#79
20210377667
2021-12-02

Systems and methods for improved acousto-haptic speakers

#80
20210377664
2021-12-02

Planar loudspeaker

#81
20210345037
2021-11-04

Display apparatus

#82
20210235186
2021-07-29

Panel vibration type sound generating display device

#83
20210120342
2021-04-22

Micro-speaker

#84
20210099807
2021-04-01

Flat transducer for surface actuation

#85
20200389737
2020-12-10

Sound generating actuator

#86
20200344554
2020-10-29

Distributed transducer suspension cones (DTSC)

#87
20200322716
2020-10-08

Passive radiator vibration speaker having phase reversal structure

#88
20200314576
2020-10-01

Speaker

#89
20200280806
2020-09-03

Vibratable element for loudspeaker use and loudspeaker device

#90
20200221214
2020-07-09

Low profile dual driver magnet

#91
20200213752
2020-07-02

Speaker

#92
20200196039
2020-06-18

Symmetric dual suspension speaker structure

#93
20200137500
2020-04-30

Electrodynamic acoustic transducer with improved suspension system

#94
20200100024
2020-03-26

Panel vibration type sound generating display device

#95
20200092654
2020-03-19

Inverted motor transducer with front spider

#96
20200045446
2020-02-06

Speaker

#97
20200045442
2020-02-06

Speaker

#98
20200045430
2020-02-06

Speaker

#99
20190364367
2019-11-28

High-efficiency speaker with multi-magnet structure

#100
20190281391
2019-09-12

Systems and methods for improved acousto-haptic speakers

#101
20190230442
2019-07-25

Acoustic device

#102
20190208326
2019-07-04

Electroacoustic transducer with improved shock protection

#103
20190200137
2019-06-27

MOVING-COIL LOUDSPEAKER

#104
20190131859
2019-05-02

Linear actuator

#105
20190124449
2019-04-25

Loudspeaker with closed membrane and relative assembly method

#106
20190124437
2019-04-25

Damper and speaker apparatus

#107
20190104369
2019-04-04

Sound converter

#108
20190098414
2019-03-28

Speaker terminals

#109
20190091725
2019-03-28

Vibration actuator

#110
20190069077
2019-02-28

Loudspeaker with deflector at a port exit

#111
20190020954
2019-01-17

Multifunctional device with vibration function and sound generation function

#112
20190014418
2019-01-10

Suspension for moving-coil loudspeaker and loudspeaker

#113
20180376269
2018-12-27

ACOUSTIC TRANSDUCER SYSTEMS WITH POSITION SENSING

#114
20180352336
2018-12-06

Speaker

#115
20180324529
2018-11-08

Loudspeaker membrane with curved structure paths

#116
20180270596
2018-09-20

LOUDSPEAKER-DIAPHRAGM AND LOUDSPEAKER INCLUDING THE SAME

#117
20180270570
2018-09-20

Panel vibration type sound generating display device

#118
20180206040
2018-07-19

Dual coil electrodynamic transducer with channels for voice coil cooling

#119
20180206030
2018-07-19

Water resistant loudspeaker

#120
20180192201
2018-07-05

Shallow sub woofer

#121
20180192200
2018-07-05

THIN SPEAKER DRIVER AND DIAPHRAGM THEREOF

#122
20180184198
2018-06-28

Water resistant loudspeaker

#123
20180167737
2018-06-14

Speaker

#124
20180061073
2018-03-01

Speaker spider measurement technique

#125
20180027331
2018-01-25

Elastic composite structure for speaker vibrating member

#126
20170347204
2017-11-30

Miniature sounder

#127
20170334384
2017-11-23

Shock absorbing speaker

#128
20170332174
2017-11-16

Slim acoustic transducer and image display apparatus having the same

#129
20170289695
2017-10-05

Surface acoustic transducer

#130
20170280234
2017-09-28

Panel vibration type sound generating display device

#131
20170251307
2017-08-31

Speaker vibrating member and method of making the same

#132
20170238086
2017-08-17

Damper and speaker apparatus

#133
20170180867
2017-06-22

Speaker damper and speaker unit

#134
20170171665
2017-06-15

SPEAKER DEVICE

#135
20170150273
2017-05-25

Systems and methods for improved acousto-haptic speakers

#136
20170150271
2017-05-25

Surface acoustic transducer

#137
20170085993
2017-03-23

Low-profile loudspeaker

#138
20170070823
2017-03-09

Speaker driver

#139
20170055083
2017-02-23

Speaker spider having varying corrugation geometry

#140
20170048622
2017-02-16

Speaker

#141
20170048621
2017-02-16

Speaker

#142
20170026757
2017-01-26

Voice coil wire configurations

#143
20170013365
2017-01-12

Diaphragm and suspension edge having elastic ribs, and speaker

#144
20160353207
2016-12-01

Loudspeaker assembly configuration

#145
20160316299
2016-10-27

Speaker device assembly with recoil vibration attenuating counter balance

#146
20160302018
2016-10-13

Acoustic transducer systems with position sensing

#147
20160295332
2016-10-06

Vibration unit for acoustic module

#148
20160261966
2016-09-08

Speaker frame and speaker having the same

#149
20160249148
2016-08-25

Loudspeaker

#150
20160241964
2016-08-18

Weaving method for a damper of a loudspeaker

#151
20160234602
2016-08-11

HYDROPHOBIC SPEAKER SYSTEMS

#152
20160173990
2016-06-16

Slim microspeaker

#153
20160119717
2016-04-28

Suspension for acoustic device

#154
20160118032
2016-04-28

Acoustic device suspension

#155
20160100254
2016-04-07

Speaker including damper having deformation prevention member

#156
20160094916
2016-03-31

Vibration unit for acoustic module

#157
20160057543
2016-02-25

High aspect ratio microspeaker having a two-plane suspension

#158
20160044418
2016-02-11

Loudspeaker diaphragm

#159
20160037264
2016-02-04

Apparatus having varying geometry

#160
20150382111
2015-12-31

VOICE COIL FORMER STIFFENER

#161
20150271605
2015-09-24

Multi-driver transducer having symmetrical magnetic circuit and symmetrical coil circuit

#162
20150208148
2015-07-23

Treatment for loudspeaker suspension element fabric

#163
20150163575
2015-06-11

Installation structure for acoustic transducer

#164
20150146912
2015-05-28

Moving-coil electroacoustic transducer

#165
20150146911
2015-05-28

Suspension system for micro-speakers

#166
20150117698
2015-04-30

Low profile loudspeaker transducer

#167
20150071481
2015-03-12

Loudspeaker configuration

#168
20150036866
2015-02-05

Suspension system for micro-speakers

#169
20140318885
2014-10-30

Bonding structure of diaphragm for microspeaker

#170
20140270323
2014-09-18

Speaker driver

#171
20140241566
2014-08-28

Inner magnet type microspeaker

#172
20140169593
2014-06-19

High-output microspeaker

#173
20140102825
2014-04-17

Speaker damper and manufacturing method of the same

#174
20140079253
2014-03-20

Suspension and speaker using same

#175
20140056463
2014-02-27

Suspension for high power micro speaker and high power micro speaker having the same

#176
20140029784
2014-01-30

Suspension for a sound transducer

#177
20140022867
2014-01-23

Micro-geophone

#178
20130308815
2013-11-21

Speaker enclosure forming part of the speaker to aid in disassembly of speaker components

#179
20130294640
2013-11-07

Loudspeaker, video device, and portable information processing apparatus

#180
20130259272
2013-10-03

Damper of a voice coil plate for a plate speaker

#181
20130161122
2013-06-27

Vibration-lead plate for flat type speaker, mounted between voice coil plate and vibration plate

#182
20130114846
2013-05-09

Electrodynamic transducer having a dome and a buoyant hanging part

#183
20130070954
2013-03-21

Electrodynamic transducer having a dome and an inner hanging part

#184
20130058521
2013-03-07

Loudspeaker

#185
20130051606
2013-02-28

SPIDER AND SPEAKER USING THE SAME

#186
20130039528
2013-02-14

Loudspeaker structure with inner frame

#187
20130016874
2013-01-17

Micro-speaker

#188
20130016872
2013-01-17

Voice coil former stiffener

#189
20120321122
2012-12-20

SPEAKER

#190
20120263339
2012-10-18

Speaker

#191
20120251812
2012-10-04

Monofilament fabric acoustic suspension elements

#192
20120195457
2012-08-02

Slimline speaker

#193
20120170795
2012-07-05

Shaker-type transducer with centering device

#194
20120170794
2012-07-05

Slim-type speaker with interconnecting damper and bobbin

#195
20120106777
2012-05-03

SPEAKER DAMPER AND SPEAKER DEVICE

#196
20120106776
2012-05-03

Slim speaker

#197
20120106775
2012-05-03

Speaker

#198
20120087523
2012-04-12

Speaker having center pleat

#199
20110243364
2011-10-06

Structure of loudspeaker for reducing thickness and mounting depth

#200
20110206231
2011-08-25

Electromagnetic converter

#201
20110158462
2011-06-30

SPEAKER DEVICE

#202
20110135141
2011-06-09

Speaker device

#203
20110135139
2011-06-09

Speaker device

#204
20110116678
2011-05-19

Speaker having a long voice coil bobbin and dampers

#205
20110116662
2011-05-19

SPEAKER DEVICE

#206
20110096953
2011-04-28

Damper and loudspeaker using the same cross-reference to related applications

#207
20110069860
2011-03-24

Damper and loudspeaker using the same

#208
20110064259
2011-03-17

Damper and loudspeaker using the same

#209
20110044491
2011-02-24

LONG EXCURSION LOUDSPEAKER WITH CLOSED MAGNETIC CIRCUIT AND RIBBED ROBBIN EXTENDING THROUGH SLOTTED YOKE

#210
20110044489
2011-02-24

Loudspeaker, video device, and portable information processing apparatus

#211
20110038504
2011-02-17

Damper and loudspeaker using the same

#212
20100329497
2010-12-30

Speaker-transducer with integral bass-reflex and maximum efficiency cooling

#213
20100316249
2010-12-16

Speaker

#214
20100303278
2010-12-02

Low profile audio speaker with minimization of voice coil wobble, protection and cooling

#215
20100296689
2010-11-25

Loudspeaker suspension

#216
20100266154
2010-10-21

Structure of speaker

#217
20100215207
2010-08-26

Speaker

#218
20100208934
2010-08-19

SPEAKER DEVICE

#219
20100195863
2010-08-05

SPEAKER

#220
20100183171
2010-07-22

Structure of Speaker

#221
20100172536
2010-07-08

Loudspeaker

#222
20100104127
2010-04-29

Loudspeaker

#223
20100054524
2010-03-04

Speaker device

#224
20100046788
2010-02-25

Loudspeaker spider

#225
20090323990
2009-12-31

SPEAKER

#226
20090290748
2009-11-26

Moving-coil planar speaker

#227
20090257617
2009-10-15

Speaker, voice coil unit, and method of manufacturing the voice coil unit

#228
20090232344
2009-09-17

Speaker

#229
20090185710
2009-07-23

AUDIO SPEAKER

#230
20090161892
2009-06-25

Fetal communication system

#231
20090123019
2009-05-14

Speaker

#232
20090116680
2009-05-07

Loudspeaker

#233
20090080686
2009-03-26

Loudspeaker

#234
20090080685
2009-03-26

Speaker

#235
20090026007
2009-01-29

LOUDSPEAKER WITH AN ACOUSTIC MEMBER

#236
20090022355
2009-01-22

Loudspeaker

#237
20090017302
2009-01-15

Speaker Damper Substrate

#238
20090010471
2009-01-08

Loudspeaker damper, manufacturing method thereof, and loudspeaker and electronic device using the same

#239
20080317275
2008-12-25

Speaker damper and speaker using the same

#240
20080310669
2008-12-18

Wire suspension for speakers

#241
20080285787
2008-11-20

THIN LOUDSPEAKER

#242
20080219481
2008-09-11

Loudspeaker Having a Movable Cone Body

#243
20080212822
2008-09-04

Loudspeaker suspension

#244
20080212821
2008-09-04

Loudspeaker

#245
20080205688
2008-08-28

Speaker

#246
20080205685
2008-08-28

Spider

#247
20080137901
2008-06-12

Boxcar for loudspeaker bobbin

#248
20080080736
2008-04-03

Loudspeaker bobbin interconnection assembly

#249
20080075318
2008-03-27

SPIDER WITH SPIRAL TINSEL LEAD AND TRANSDUCER AND LOUDSPEAKER COMPRISING SAME

#250
20080013781
2008-01-17

HIGH-FREQUENCY DIAPHRAGM AND VOICE COIL ASSEMBLY

#251
20080013780
2008-01-17

Speaker device

#252
20080000740
2008-01-03

Damper Structure with Silicon Layer and Manufacturing Method Thereof

#253
20070287344
2007-12-13

Fabric Construction Specifically For Damper

#254
20070283677
2007-12-13

Diaphragm Structure

#255
20070280500
2007-12-06

Loudspeaker

#256
20070274542
2007-11-29

Damper for speaker device and speaker device

#257
20070272475
2007-11-29

Tangential stress reduction system in a loudspeaker suspension

#258
20070242849
2007-10-18

Loudspeaker with high power efficiency and low resonance frequency

#259
20070223774
2007-09-27

Coupled body of speaker apparatus

#260
20070189576
2007-08-16

Evenly elastically deformable damper for speaker

#261
20070154059
2007-07-05

Damper structure of preventing irregular vibration for speaker

#262
20070154058
2007-07-05

Corrugated damper for speaker

#263
20070116304
2007-05-24

In-wall loudspeaker

#264
20070086618
2007-04-19

Loudspeaker with field replaceable parts and method of assembly

#265
20070064971
2007-03-22

Speaker device

#266
20070025585
2007-02-01

Loudspeaker damper and method of mounting loudspeaker damper

#267
20070009133
2007-01-11

Loudspeaker

#268
20060269094
2006-11-30

Speaker

#269
20060251285
2006-11-09

[SURGE-PROOF DAMPER]

#270
20060245615
2006-11-02

Loudspeaker

#271
20060237258
2006-10-26

Frame for speaker device and speaker device

#272
20060215871
2006-09-28

Loudspeaker

#273
20060182302
2006-08-17

SPEAKER WITH INTEGRATED VIBRATION SYSTEM

#274
20060177091
2006-08-10

Loudspeaker and method of manufacturing the same

#275
20060171557
2006-08-03

[Speaker]

#276
20060159300
2006-07-20

Spider with lead wires sandwiched

#277
20060153416
2006-07-13

Vibration actuator device of portable terminal

#278
20060133637
2006-06-22

Loudspeaker with integrated spider standoff ring

#279
20060115107
2006-06-01

Inertial voice type coil actuator

#280
20060110002
2006-05-25

Loudspeaker suspension

#281
20060110001
2006-05-25

Inertial voice type coil actuator systems

#282
20060098838
2006-05-11

Dynamic micro speaker with dual suspension

#283
20060093817
2006-05-04

Damper for speaker

#284
20060093182
2006-05-04

Speaker

#285
20060088182
2006-04-27

Speaker apparatus

#286
20060088181
2006-04-27

Speaker device and manufacturing method thereof

#287
20060018501
2006-01-26

Reinforced speaker damper

#288
20060018500
2006-01-26

Speaker device and method of manufacturing the speaker device

#289
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