ClassID:

232179

H04R2307/029 - CPC Classification

Classification description:

Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by or , not provided for in any of its subgroups Diaphragms comprising fibres

Recent Application in this class:
#1
20250386142
2025-12-18

Reinforced dome and Loudspeaker Using Same

#2
20250373983
2025-12-04

SPEAKER

#3
20250203291
2025-06-19

DOME AND DIAPHRAGM ASSEMBLY FOR SOUND PRODUCING APPARATUS, SOUND PRODUCING APPARATUS, AND ELECTRONIC DEVICE

#4
20250133345
2025-04-24

DIAPHRAGM, LOUDSPEAKER, AND DIAPHRAGM MANUFACTURING METHOD

#5
20240373168
2024-11-07

SPEAKER

#6
20240276151
2024-08-15

SPEAKER

#7
20240114291
2024-04-04

Vibrating diaphragm of sound-producing apparatus and sound-producing apparatus

#8
20240048917
2024-02-08

PRESSURE WAVE GENERATING ELEMENT AND METHOD FOR PRODUCING THE SAME

#9
20240048910
2024-02-08

Loudspeaker diaphragm

#10
20230370787
2023-11-16

PRESSURE WAVE GENERATING ELEMENT AND METHOD FOR PRODUCING THE SAME

#11
20230217199
2023-07-06

DIAPHRAGM FOR ELECTROACOUSTIC TRANSDUCER

#12
20220329947
2022-10-13

Loudspeaker diaphragm

#13
20220182764
2022-06-09

Loudspeaker Diaphragms with Embedded Visual Elements and Methods of Manufacture

#14
20220174425
2022-06-02

Pressure wave generating element and method for producing the same

#15
20220167094
2022-05-26

Transducer and manufacturing method thereof

#16
20220150639
2022-05-12

Mid-range loudspeaker

#17
20220070588
2022-03-03

DYNAMIC BALANCE SPEAKER

#18
20220021981
2022-01-20

Reinforcing part for diaphragm of speaker, the diaphragm and the speaker

#19
20210385580
2021-12-09

Diaphragm for electroacoustic transducer

#20
20210297782
2021-09-23

Speaker diaphragm and headphone

#21
20210281952
2021-09-09

Fiber microphone

#22
20210258680
2021-08-19

External noise control for a loudspeaker

#23
20210211820
2021-07-08

Non-dispensing manufacturing process for making speaker and speaker thereof

#24
20200260188
2020-08-13

Speaker diaphragm and production method thereof

#25
20200213772
2020-07-02

Transducer and manufacturing method thereof

#26
20200162821
2020-05-21

Fiber microphone

#27
20200154208
2020-05-14

Sound generator

#28
20200145759
2020-05-07

Loudspeaker diaphragm

#29
20200120424
2020-04-16

Loudspeaker diaphragm

#30
20200077217
2020-03-05

Speaker diaphragm including cone formed of material including fibers derived from plant and resin, speaker unit, speaker, and method for manufacturing speaker

#31
20200045486
2020-02-06

Manufacturing method of a speaker vibrating diaphragm by controlling a ratio of fiber materials

#32
20190373374
2019-12-05

Apparatus, system, and method for audio amplified combustion

#33
20190297424
2019-09-26

Loudspeaker diaphragm

#34
20190297423
2019-09-26

Oscillatory component for loudspeakers, loudspeaker comprising same, and mobile device equipped with said loudspeaker

#35
20190191242
2019-06-20

Waterproof sound-transmitting sheet

#36
20190166445
2019-05-30

Loudspeaker diaphragm, method of manufacturing same, and loudspeaker employing same

#37
20180324526
2018-11-08

Loudspeaker diaphragm, loudspeaker, and production method for loudspeaker diaphragm

#38
20180270596
2018-09-20

LOUDSPEAKER-DIAPHRAGM AND LOUDSPEAKER INCLUDING THE SAME

#39
20180270595
2018-09-20

Loudspeaker diaphragm, manufacturing method for the same, and loudspeaker including the loudspeaker diaphragm

#40
20180270578
2018-09-20

VIBRATION DIAPHRAGM AND SPEAKER DEVICE

#41
20180227672
2018-08-09

Audio system

#42
20180220227
2018-08-02

Acoustic apparatus

#43
20180220226
2018-08-02

Acoustic apparatus

#44
20180184208
2018-06-28

Loudspeaker diaphragm

#45
20180152800
2018-05-31

Speaker device

#46
20180124518
2018-05-03

Diaphragm dome, method for manufacturing the same and speaker

#47
20180084345
2018-03-22

Speaker

#48
20180046223
2018-02-15

Composite membrane and method for producing a composite membrane

#49
20180027331
2018-01-25

Elastic composite structure for speaker vibrating member

#50
20170251307
2017-08-31

Speaker vibrating member and method of making the same

#51
20170145629
2017-05-25

Water-resistant composition

#52
20170037547
2017-02-09

Speaker diaphragm fabric and manufacturing method thereof

#53
20160295331
2016-10-06

Acoustic diaphragm

#54
20160295330
2016-10-06

Acoustic diaphragm

#55
20160295329
2016-10-06

Loudspeaker diaphragm and manufacturing method thereof

#56
20160284978
2016-09-29

Piezoelectric device

#57
20160234601
2016-08-11

Loudspeaker, electronic apparatus using loudspeaker, and mobile equipment using loudspeaker

#58
20160234600
2016-08-11

Diaphragm, loudspeaker using same, and electronic device and mobile device using loudspeaker

#59
20160212540
2016-07-21

Loudspeaker diaphragm, and loudspeaker, electronic device and mobile device including the diaphragm

#60
20160205477
2016-07-14

Loudspeaker, electronic apparatus using same, and mobile apparatus

#61
20160134972
2016-05-12

LOUDSPEAKER-PURPOSE VIBRATION PLATE, LOUDSPEAKER USING THAT VIBRATION PLATE, ELECTRONIC DEVICE, AND MOBILE APPARATUS

#62
20160134971
2016-05-12

Diaphragm for loudspeaker, loudspeaker, electronic apparatus, and mobile apparatus

#63
20160037262
2016-02-04

Vibrating body for speaker device and speaker device

#64
20150365753
2015-12-17

Optical microphone and method using the same

#65
20150319532
2015-11-05

Diaphragm, loudspeaker using diaphragm, electronic device and mobile device using loudspeaker, and method for producing diaphragm

#66
20150317972
2015-11-05

Loudspeaker membrane and method for manufacturing such a membrane

#67
20150201280
2015-07-16

Method of manufacturing speaker with diaphragm arrangement

#68
20150075900
2015-03-19

Loudspeaker diaphragm and loudspeaker using same

#69
20150010197
2015-01-08

Speaker diaphragm and production method for speaker diaphragm

#70
20140355813
2014-12-04

Speaker with diaphragm arrangement

#71
20130301867
2013-11-14

Loudspeaker resin molding component and loudspeaker using the same and electronic device and mobile apparatus using the loudspeaker

#72
20130114846
2013-05-09

Electrodynamic transducer having a dome and a buoyant hanging part

#73
20130070954
2013-03-21

Electrodynamic transducer having a dome and an inner hanging part

#74
20120325576
2012-12-27

Diaphragm for electro-acoustic transducer

#75
20120281861
2012-11-08

VIBRATION DIAPHRAGM AND SPEAKER WITH A VIBRATION DIAPHRAGM

#76
20120263336
2012-10-18

Loudspeaker magnet having a channel

#77
20120257781
2012-10-11

Speaker diaphragm, speaker dust cap, speaker frame, speaker using said parts, and electronic equipment and device using said speaker

#78
20120190322
2012-07-26

Customized audio/antenna module and method for making the same

#79
20120114165
2012-05-10

Diaphragm for speaker, frame for speaker, dust cap for speaker, speaker and apparatus using them, and method for manufacturing component for speaker

#80
20120114149
2012-05-10

Diaphragm for speaker, frame for speaker, dust cap for speaker, speaker and apparatus using them, and method for manufacturing component for speaker

#81
20120112382
2012-05-10

Diaphragm for speaker, frame for speaker, dust cap for speaker, speaker and apparatus using them, and method for manufacturing component for speaker

#82
20120106772
2012-05-03

SPEAKER DEVICE

#83
20120106767
2012-05-03

SHAPED LOUDSPEAKER

#84
20120093353
2012-04-19

Micro speaker

#85
20120002833
2012-01-05

Films and membranes for acoustic signal converter

#86
20110284317
2011-11-24

Speaker diaphragm, speaker, and production method of speaker diaphragm

#87
20110240401
2011-10-06

Carbonaceous acoustic diaphragm and method for manufacturing the same

#88
20110237733
2011-09-29

Waterproofing loudspeaker cones

#89
20110194723
2011-08-11

Magnetic Diaphragm and Manufacturing Method thereof

#90
20110188699
2011-08-04

WOVEN OR KNITTED FABRIC, DIAPHRAGM FOR SPEAKER, AND SPEAKER

#91
20110164764
2011-07-07

Diaphragm for speaker, speaker using the diaphragm, electronic device using the speaker, and speaker-mounted device

#92
20110075881
2011-03-31

Diaphragm and loudspeaker using the same

#93
20110033074
2011-02-10

Transparent speaker and display module integrating the same

#94
20110025170
2011-02-03

Electroactive polymer device

#95
20110007922
2011-01-13

Speaker diaphragm, speaker, and electronic equipment and mobile device using the speaker

#96
20100296688
2010-11-25

Speaker diaphragm, speaker using said diaphragm, and speaker diaphragm manufacturing method

#97
20100288579
2010-11-18

Membrane having a multipart structure

#98
20100263181
2010-10-21

Method of fabricating an electroactive polymer transducer

#99
20100221516
2010-09-02

Diaphragm for electro-accoustic transducer

#100
20100206659
2010-08-19

Diaphragm for speaker, speaker using the diaphragm for speaker, and process for producing the diaphragm for speaker

#101
20100172533
2010-07-08

Diaphragm for speaker, speaker using the diaphragm, and system using the speaker

#102
20100092023
2010-04-15

Speaker motor and speaker

#103
20100059309
2010-03-11

Diaphragm for speaker, frame for speaker, dust cap for speaker, speaker and apparatus using them, and method for manufacturing component for speaker

#104
20100014697
2010-01-21

Shaped Loudspeaker

#105
20090304225
2009-12-10

Diaphragm including a first vibrating part of a dome shape or flat shape and a second vibrating part of an annular shape and a loudspeaker using the diaphragm

#106
20090285431
2009-11-19

Diaphragm with integrated acoustical and optical properties

#107
20090242320
2009-10-01

Waterproofing loudspeaker cones

#108
20090226028
2009-09-10

Loudspeaker, Speaker Diaphragm, and Suspension

#109
20090214075
2009-08-27

Loudspeaker

#110
20090184606
2009-07-23

ROLLED ELECTROACTIVE POLYMERS

#111
20090175487
2009-07-09

Diaphragm and speaker using same

#112
20090169049
2009-07-02

Low Profile Audio Speaker

#113
20090090453
2009-04-09

Speaker diaphragms, manufacturing methods of the same, and dynamic speakers

#114
20090060249
2009-03-05

FLEXIBLE SPEAKER

#115
20090052726
2009-02-26

Diaphragm and loudspeaker unit using the same

#116
20080285778
2008-11-20

Screen-Integrated Speaker

#117
20080273720
2008-11-06

Optimized piezo design for a mechanical-to-acoustical transducer

#118
20080260188
2008-10-23

Acoustic Diaphragm and Speaker Having the Same

#119
20080257638
2008-10-23

Production method of an acoustic diaphragm, acoustic diaphragm, and a speaker

#120
20080202845
2008-08-28

Membrane with a high resistance against buckling and/or crinkling

#121
20080199028
2008-08-21

Speaker diaphragm and speaker including the same

#122
20080118098
2008-05-22

Ultra low frequency transducer and loud speaker comprising same

#123
20080080736
2008-04-03

Loudspeaker bobbin interconnection assembly

#124
20080027158
2008-01-31

Speaker Diaphragm

#125
20080022517
2008-01-31

Methods for fabricating an electroactive polymer device

#126
20080019544
2008-01-24

Piezoelectric speaker and method for manufacturing the same

#127
20080008346
2008-01-10

Dynamic reflection 4pi steradian omni directional tweeter

#128
20070242847
2007-10-18

Capacitor microphone

#129
20070235251
2007-10-11

Speaker diaphragm and speaker

#130
20070223770
2007-09-27

Speaker

#131
20070190881
2007-08-16

Woven or knitted fabric, diaphragm for speaker, and speaker

#132
20070187171
2007-08-16

Production method of an acoustic diaphragm, acoustic diaphragm, and a speaker

#133
20070178242
2007-08-02

Method of and device for modifying the properties of a membrane for an electroacoustic transducer

#134
20070160258
2007-07-12

Vibrating plate for electricity-sound transformer and method for producing the same, and electricity-sound transformer and equipment using the same

#135
20070154057
2007-07-05

Speaker device

#136
20070137820
2007-06-21

Waterproof vibration plate for speaker

#137
20070132131
2007-06-14

Resin-molded component and method for manufacturing thereof as well as diaphragm for loudspeaker

#138
20070131478
2007-06-14

Speaker, speaker-use diaphragm, dust cap, production methods and production devices for them

#139
20070123676
2007-05-31

Acoustic material and method for making the same

#140
20070092101
2007-04-26

Method and apparatus for controlling material vibration modes in polymer and paper high performance speaker diaphragms

#141
20070023229
2007-02-01

DIAPHRAGM FOR MICRO-ELECTROACOUSTIC DEVICE

#142
20070017737
2007-01-25

Acoustic diaphragm and method for manufacturing an acoustic diaphragm

#143
20060269087
2006-11-30

Diaphragm membrane and supporting structure responsive to environmental conditions

#144
20060265861
2006-11-30

Method for manufacturing a diaphragm assembly

#145
20060249327
2006-11-09

Vibration system part for speaker device and manufacturing method thereof

#146
20060233415
2006-10-19

Vibration-sound generating device and yoke thereof

#147
20060222202
2006-10-05

Acoustic vibratory plate

#148
20060193488
2006-08-31

Diaphragm and speaker

#149
20060177090
2006-08-10

Electro-acoustic transducer

#150
20060159293
2006-07-20

Acoustic device

#151
20060147081
2006-07-06

Loudspeaker plastic cone body

#152
20060062422
2006-03-23

Speaker diaphragm and speaker using the same

#153
20060018487
2006-01-26

Transducer for sensing body sounds

#154
20060013433
2006-01-19

Audio speaker cone appartus and method of manufacture

#155
20050232458
2005-10-20

Speaker-use diaphragm and speaker

#156
20050232457
2005-10-20

Speaker-use diaphragm and speaker

#157
20050211499
2005-09-29

Loudspeaker diaphragm

#158
20050157900
2005-07-21

Acoustic passive radiator rocking mode reducing

#159
20050152577
2005-07-14

Planar speaker

#160
20050147274
2005-07-07

Acoustic device

#161
20050147273
2005-07-07

Acoustic device

#162
20050135652
2005-06-23

Vibrating plate of dynamic microphone and method of manufacturing the same

#163
20050094831
2005-05-05

Capacitor microphone

#164
20050089187
2005-04-28

Nanoporous diaphragm for electromagentic transducer

#165
20050051380
2005-03-10

Speaker diaphragm and speaker using the diaphram

#166
19248541
2026-01-06

Composite material for acoustic transducer diaphragm

#167
17381008
2023-10-17

Electronic device with flexible housings