ClassID:

231981

H04R7/16 - CPC Classification

Classification description:

Diaphragms for electromechanical transducers ; Cones Mounting or tensioning of diaphragms or cones

Sub-classes:
Recent Application in this class:
#1
20260143284
2026-05-21

SOUND PRODUCTION COMPONENTS

#2
20260129347
2026-05-07

EARPHONES

#3
20260122425
2026-04-30

SOUND PRODUCTION COMPONENTS

#4
20260122407
2026-04-30

COMPACT SPEAKER

#5
20260056573
2026-02-26

SPEAKER MODULE AND ELECTRONIC DEVICE COMPRISING SPEAKER MODULE

#6
20260052343
2026-02-19

OPEN EARPHONES

#7
20260046566
2026-02-12

OPEN EARPHONES

#8
20260046553
2026-02-12

ACOUSTIC WAVEGUIDES FOR MULTI-CHANNEL PLAYBACK DEVICES

#9
20260046551
2026-02-12

SOUND ASSEMBLY AND ELECTRONIC DEVICE

#10
20260012734
2026-01-08

MEMS MICROPHONE

#11
20250380075
2025-12-11

Bone Conduction Package Structure

#12
20250358572
2025-11-20

Integrated MEMS Electrostatic Micro-Speaker Device and System

#13
20250344024
2025-11-06

LINEAR MOTOR MAGNET ASSEMBLY AND LOUDSPEAKER UNIT

#14
20250294289
2025-09-18

Multicoil Balanced Armature Receiver

#15
20250252946
2025-08-07

ASSEMBLIES FOR GENERATION OF SOUND

#16
20250247652
2025-07-31

GLASS DIAPHRAGM AND EXCITER-ATTACHED GLASS DIAPHRAGM

#17
20250240575
2025-07-24

MULTI-GAP MAGNETIC MOTOR FOR USE IN LOUDSPEAKERS

#18
20250211911
2025-06-26

SOUNDING DEVICE

#19
20250211910
2025-06-26

SOUND DEVICE

#20
20250211886
2025-06-26

Compact speaker enclosure with modular external design

#21
20250175742
2025-05-29

LOUDSPEAKER CONE WITH A FLEXIBLE CIRCUIT BOARD

#22
20250159416
2025-05-15

LINEAR MOTOR MAGNET ASSEMBLY AND LOUDSPEAKER UNIT

#23
20250159411
2025-05-15

LOUDSPEAKER MODULE AND VEHICLE

#24
20250133348
2025-04-24

MAGNET ASSEMBLY FOR ELECTRODYNAMIC LOUDSPEAKER MOTOR, ELECTRODYNAMIC LOUDSPEAKER MOTOR COMPRISING SAME, AND ASSOCIATED ELECTRODYNAMIC LOUDSPEAKER

#25
20250133346
2025-04-24

SPEAKER DEVICE AND STYLUS

#26
20250126384
2025-04-17

Two-Part Speaker System

#27
20250119680
2025-04-10

ACOUSTIC OUTPUT DEVICE

#28
20250063281
2025-02-20

ACOUSTIC OUTPUT DEVICES

#29
20250048032
2025-02-06

TRANSDUCER INCLUDING PIEZOELECTRIC ELEMENT AND METHOD OF PRODUCING SAME

#30
20250039603
2025-01-30

ACOUSTIC APPARATUS

#31
20250039598
2025-01-30

SOUND DEVICE

#32
20250024203
2025-01-16

TRIPLE-MEMBRANE MEMS DEVICE

#33
20240430612
2024-12-26

SYSTEMS, METHODS, AND DEVICES FOR ACOUSTIC OUTPUT

#34
20240388850
2024-11-21

ELECTRO-ACOUSTIC TRANSDUCER

#35
20240381036
2024-11-14

Multilayered Electrostatic Transducer

#36
20240365069
2024-10-31

TRANSDUCERS, LOUDSPEAKERS, AND ACOUSTIC OUTPUT DEVICES

#37
20240365068
2024-10-31

TRANSDUCERS, LOUDSPEAKERS, AND ACOUSTIC OUTPUT DEVICES

#38
20240340596
2024-10-10

MEMS microphone

#39
20240340595
2024-10-10

ELECTROACOUSTIC DRIVERS AND LOUDSPEAKERS CONTAINING SAME

#40
20240340592
2024-10-10

SPEAKER

#41
20240340591
2024-10-10

SPEAKER

#42
20240298117
2024-09-05

Line damper bellows dual opposing driver speaker

#43
20240214724
2024-06-27

Acoustic waveguides for multi-channel playback devices

#44
20240205578
2024-06-20

MICROPHONE CHIP AND MICROPHONE

#45
20240196140
2024-06-13

Sub-surface indicator lighting

#46
20240171913
2024-05-23

Sealed dual membrane structure and device including the same

#47
20240147162
2024-05-02

SOUND PRODUCTION COMPONENTS

#48
20240147144
2024-05-02

OPEN EARPHONES

#49
20240114292
2024-04-04

Triple-membrane MEMS device

#50
20240081980
2024-03-14

VOCALIZATION ASSISTANCE DEVICE

#51
20240073622
2024-02-29

SOUND GENERATOR

#52
20240073618
2024-02-29

Vibration sounding device

#53
20240073611
2024-02-29

Coaxial speaker

#54
20240064466
2024-02-22

Sound device

#55
20240048915
2024-02-08

Linear motor magnet assembly and loudspeaker unit

#56
20240048914
2024-02-08

Linear motor magnet assembly and loudspeaker unit

#57
20240048893
2024-02-08

Loudspeaker

#58
20240031712
2024-01-25

DIPOLE LOUDSPEAKER ASSEMBLY

#59
20230388714
2023-11-30

MEMS device

#60
20230388713
2023-11-30

Dual-Diaphragm MEMS Transducers with High Effective Area

#61
20230269538
2023-08-24

Coaxial speaker

#62
20230239628
2023-07-27

Package structure of micro speaker and method for forming the same

#63
20230239622
2023-07-27

Coaxial speaker

#64
20230217182
2023-07-06

HIGH AMPLITUDE MICRO LOUDSPEAKER WITH A DOUBLE SUSPENSION FRAME

#65
20230217177
2023-07-06

Speaker device

#66
20230217142
2023-07-06

Loudspeaker and installation structure for same

#67
20230199397
2023-06-22

Acoustic device

#68
20230171548
2023-06-01

Sounding device

#69
20230131480
2023-04-27

Speaker driver

#70
20230117408
2023-04-20

Loudspeaker

#71
20230076601
2023-03-09

Acoustic waveguides for multi-channel playback devices

#72
20230063234
2023-03-02

MEMS microphone

#73
20230060565
2023-03-02

APPARATUS, SYSTEM AND METHOD FOR AUTOMATED SPEAKER ASSEMBLY

#74
20230057158
2023-02-23

Dual-diaphragm moving-coil audio transducer for hearing device

#75
20230031282
2023-02-02

Acoustic device

#76
20230029866
2023-02-02

Acoustic device

#77
20220408191
2022-12-22

Basket assembly, audio unit and electronic device

#78
20220394400
2022-12-08

Sub-surface indicator lighting

#79
20220394368
2022-12-08

Capacitive microphone

#80
20220386021
2022-12-01

Acoustic output device

#81
20220386011
2022-12-01

Acoustic device

#82
20220353605
2022-11-03

Speaker unit and speaker

#83
20220322012
2022-10-06

LOUDSPEAKER, AND MANUFACTURING METHOD AND SOUND PRODUCTION METHOD THEREFOR

#84
20220312108
2022-09-29

Systems, methods, and devices for acoustic output

#85
20220293121
2022-09-15

Testing system, crack noise monitoring device and method for monitoring crack noise

#86
20220286784
2022-09-08

Sound production device and assembling method therefor

#87
20220279270
2022-09-01

MEMS device with a TMD structure

#88
20220223139
2022-07-14

Assemblies for generation of sound

#89
20220210580
2022-06-30

MEMS acoustic sensor and assembly

#90
20220201398
2022-06-23

Triple-membrane MEMS device

#91
20220191621
2022-06-16

Linear motor magnet assembly and loudspeaker unit

#92
20220174425
2022-06-02

Pressure wave generating element and method for producing the same

#93
20220174417
2022-06-02

Sounding device

#94
20220174411
2022-06-02

Speaker device

#95
20220159360
2022-05-19

RF immune microphone

#96
20220116712
2022-04-14

Sound production device, display device, and terminal

#97
20220109936
2022-04-07

In line damper bellows dual opposing driver speaker

#98
20220070589
2022-03-03

Flat speaker driven by a single permanent magnet and one or more voice coils

#99
20220009768
2022-01-13

Sound producing package structure including sound producing membranes actuated toward cavity center

#100
20210392429
2021-12-16

Multi-range speaker containing multiple diaphragms

#101
20210385582
2021-12-09

Diagnostics for acoustic devices and methods

#102
20210385576
2021-12-09

Electrostatic electroacoustic transducer device, signal processing circuit for electrostatic electroacoustic transducer, signal processing method, and signal processing

#103
20210384602
2021-12-09

Metamaterial loudspeaker diaphragm

#104
20210368276
2021-11-25

Electromagnetic actuator for a speaker or a sound transducer with a multimetal layer connection between the voice coil and the magnet system

#105
20210368275
2021-11-25

Speaker assembly and speaker

#106
20210345046
2021-11-04

Intrinsic-stress self-compensated microelectromechanical systems transducer

#107
20210314707
2021-10-07

Dual back-plate and diaphragm microphone

#108
20210300753
2021-09-30

Device having a membrane and method of manufacture

#109
20210258698
2021-08-19

Sensor assembly for electronic device

#110
20210258684
2021-08-19

Acoustic waveguides for multi-channel playback devices

#111
20210243539
2021-08-05

Sub-surface indicator lighting

#112
20210235198
2021-07-29

Apparatus, system and method for automated speaker assembly

#113
20210227330
2021-07-22

MULTI-DIAPHRAGM SPEAKER DRIVEN BY MULTIPLE VOICE COIL PLATES AND A SHARED PERMANENT MAGNET PAIR

#114
20210211794
2021-07-08

Attachable vibration sensor and method for manufacturing same

#115
20210185450
2021-06-17

Planar magnetic driver having trace-free radiant region

#116
20210160619
2021-05-27

Electroacoustic transducer for headphones

#117
20210152905
2021-05-20

ONE-TO-MANY WIRELESS SPEAKER SOUND BOX DEVICE

#118
20210136496
2021-05-06

Voice coil diaphragm

#119
20210120344
2021-04-22

Electro-acoustic transducer diaphragm with integrated structural features, and related systems and methods

#120
20210118420
2021-04-22

Apparatuses and methods for superposition based wave synthesis

#121
20210112355
2021-04-15

Dimensional consistency of miniature loudspeakers

#122
20210092527
2021-03-25

Acoustic receiver housing with integrated electrical components

#123
20210092524
2021-03-25

VIBRATION PLATE HAVING REINFORCED STRUCTURAL ELEMENT AND SPEAKER USING THE SAME

#124
20210076141
2021-03-11

MEMS acoustic sensor

#125
20210037320
2021-02-04

MEMS microphone

#126
20200396534
2020-12-17

Vibration generating element assembly and electronic device including the same

#127
20200382862
2020-12-03

Vented acoustic transducers, and related methods and systems

#128
20200382861
2020-12-03

Vented acoustic transducers, and related methods and systems

#129
20200280808
2020-09-03

Back plate and MEMS microphone having the same

#130
20200275213
2020-08-27

Thin speaker with curved or angled structure

#131
20200275190
2020-08-27

Multi-range speaker containing multiple diaphragms

#132
20200275189
2020-08-27

Bidirectional speaker using bar magnets

#133
20200245077
2020-07-30

MEMS transducer including free plate diaphragm with spring members

#134
20200236460
2020-07-23

Alarm sound generating apparatus

#135
20200213774
2020-07-02

MEMS microphone

#136
20200213769
2020-07-02

Piezoelectric microphone

#137
20200213746
2020-07-02

Micro-speaker

#138
20200213743
2020-07-02

ELECTRO-ACOUSTIC DRIVER HAVING COMPLIANT DIAPHRAGM WITH STIFFENING ELEMENT

#139
20200213741
2020-07-02

Speaker box

#140
20200204923
2020-06-25

Sound generator

#141
20200196065
2020-06-18

MICROPHONE ASSEMBLIES INCLUDING INTEGRATED VIBRATION TRANSDUCER AND WEARABLE DEVICES INCLUDING THE SAME

#142
20200196064
2020-06-18

Speaker

#143
20200196047
2020-06-18

Electro-acoustic transducer and electro-acoustic conversion device

#144
20200186933
2020-06-11

Speaker

#145
20200177996
2020-06-04

Speaker

#146
20200169816
2020-05-28

Magnetic shield structure for speaker and electronic device including the same

#147
20200162812
2020-05-21

Speaker box

#148
20200154208
2020-05-14

Sound generator

#149
20200112796
2020-04-09

Loudspeaker with a rollable membrane

#150
20200112793
2020-04-09

Magnet system for an electromechanical transducer

#151
20200112792
2020-04-09

Speaker integrated electronic device with speaker driven passive cooling

#152
20200107131
2020-04-02

Planar magnetic driver having trace-free radiating region

#153
20200107130
2020-04-02

Dual back-plate and diaphragm microphone

#154
20200092655
2020-03-19

Speaker and MEMs actuator thereof

#155
20200077199
2020-03-05

Electro-acoustic transducer diaphragm with integrated structural features, and related systems and methods

#156
20200077181
2020-03-05

Head-mounted display apparatus and acoustic device

#157
20200068293
2020-02-27

Bass Loud Speaker for Corner Placement

#158
20200059737
2020-02-20

Flipchip package

#159
20200053468
2020-02-13

SPEAKER

#160
20200045462
2020-02-06

Speaker

#161
20200045448
2020-02-06

Speaker

#162
20200045447
2020-02-06

Speaker

#163
20200045446
2020-02-06

Speaker

#164
20200045394
2020-02-06

Sound generator

#165
20200021917
2020-01-16

SPEAKER

#166
20190387321
2019-12-19

DIAPHRAGM FOR AN ACOUSTIC RECEIVER, COMBINATIONS THEREOF AND METHODS THEREFOR

#167
20190379980
2019-12-12

Inverted motor transducer with central vent

#168
20190364368
2019-11-28

Speaker Cone and a Speaker Having the Same

#169
20190364367
2019-11-28

High-efficiency speaker with multi-magnet structure

#170
20190356983
2019-11-21

Vibration-proof fixing structure for vibration-generating component and electronic device including the same

#171
20190349689
2019-11-14

Efficiency of Miniature Loudspeakers

#172
20190345029
2019-11-14

Method for fabricating MEMS device integrated with a semiconductor integrated circuit

#173
20190342672
2019-11-07

Condenser microphone and electronic device

#174
20190306631
2019-10-03

Loudspeaker system

#175
20190306627
2019-10-03

Membrane plate structure for generating sound waves

#176
20190289403
2019-09-19

Assemblies for generation of sound

#177
20190281374
2019-09-12

Illuminated speaker

#178
20190268699
2019-08-29

Miniature device having an acoustic diaphragm

#179
20190237060
2019-08-01

Apparatuses and methods for superposition based wave synthesis

#180
20190230439
2019-07-25

Vibration diaphragm in MEMS microphone and MEMS microphone

#181
20190222922
2019-07-18

In-vehicle speaker

#182
20190200110
2019-06-27

Loudspeaker device and movable-body apparatus equipped with same

#183
20190182586
2019-06-13

Micro speaker device with water-proof structure

#184
20190149901
2019-05-16

Surround structure of speaker

#185
20190141452
2019-05-09

SPEAKER MODULE

#186
20190082262
2019-03-14

Continuous surround

#187
20190082261
2019-03-14

Microphone device

#188
20190075416
2019-03-07

Vibration diaphragm and manufacturing method thereof

#189
20190069093
2019-02-28

Audio speaker surround geometry for improved pistonic motion

#190
20190069073
2019-02-28

Frame, speaker unit using the same, and headphone/earphone

#191
20190045313
2019-02-07

Inverted button cap in acoustic transducer

#192
20190014402
2019-01-10

Panel bottom member and display device including the same

#193
20180376249
2018-12-27

Apparatus, system and method for automated speaker assembly

#194
20180367918
2018-12-20

High aspect ratio moving coil transducer

#195
20180367916
2018-12-20

Receiver assembly comprising an armature and a diaphragm

#196
20180367908
2018-12-20

Vibration diaphragm

#197
20180367904
2018-12-20

Vibration diaphragm

#198
20180338208
2018-11-22

Microphone and manufacturing method thereof

#199
20180324538
2018-11-08

High displacement acoustic transducer systems

#200
20180324527
2018-11-08

Diaphragm assembly, transducer and method of manufacture

#201
20180317014
2018-11-01

REAR SUSPENSION FOR SPEAKER DRIVERS

#202
20180310093
2018-10-25

Headphones and speaker unit

#203
20180288551
2018-10-04

Speaker vibration assembly and assembling method thereof

#204
20180262844
2018-09-13

MEMS sound transducer, MEMS microphone and method for providing a MEMS sound transducer

#205
20180242060
2018-08-23

Electric device including microspeaker module with vibration function and wearable acoustic transducer

#206
20180234783
2018-08-16

MEMS sound transducer with closed control system

#207
20180234771
2018-08-16

Loudspeaker unit

#208
20180234769
2018-08-16

Linear acoustic transducer

#209
20180213329
2018-07-26

Sensory signal output apparatus

#210
20180206041
2018-07-19

Acoustic conversion apparatus and sound output equipment

#211
20180192202
2018-07-05

Miniature speaker

#212
20180192199
2018-07-05

Electro-acoustic driver having compliant diaphragm with stiffening element

#213
20180184211
2018-06-28

Capacitive transducer and acoustic sensor

#214
20180176689
2018-06-21

Acoustic device configuration and method

#215
20180167737
2018-06-14

Speaker

#216
20180162725
2018-06-14

MEMS device integrated with a semiconductor integrated circuit and manufacturing method thereof

#217
20180160246
2018-06-07

Antenna using conductor and electronic device therefor

#218
20180160231
2018-06-07

Miniature device having an acoustic diaphragm

#219
20180146297
2018-05-24

Method for operating a sensor, and sensor

#220
20180146294
2018-05-24

Vibration sound-producing apparatus

#221
20180109893
2018-04-19

HARD SPEAKER RADIATING DIAPHRAGMS WITH LIGHT-CURABLE VOICE COIL ATTACHMENT

#222
20180109878
2018-04-19

Loudspeaker motor and suspension system

#223
20180096672
2018-04-05

Method for manufacturing pickcatcher system

#224
20180084345
2018-03-22

Speaker

#225
20180077495
2018-03-15

Silica gel diaphragm, speaker module, and method for reprocessing silica gel diaphragm

#226
20180063643
2018-03-01

Loudspeaker structure

#227
20180041842
2018-02-08

MEMS MICROPHONE ELEMENT AND MANUFACTURING METHOD THEREOF

#228
20180041838
2018-02-08

Diaphragm assembly and loudspeaker having same

#229
20180035188
2018-02-01

Electronic device with speaker

#230
20170374468
2017-12-28

Vibrating diaphragm assembly

#231
20170366902
2017-12-21

Electroacoustic transducer and electroacoustic transduction system

#232
20170359656
2017-12-14

ELECTRO-ACOUSTIC DRIVER AND BOBBIN THEREFORE

#233
20170359655
2017-12-14

Electro-acoustic driver having compliant diaphragm with stiffening element

#234
20170353787
2017-12-07

Passive cardioid speaker

#235
20170353784
2017-12-07

Damping spring

#236
20170303044
2017-10-19

Loudspeaker motor and suspension system

#237
20170303024
2017-10-19

Loudspeaker and loudspeaker structure

#238
20170289699
2017-10-05

Piezoelectric force actuator audio system

#239
20170289692
2017-10-05

Acoustic device configuration and method

#240
20170289689
2017-10-05

Method for reprocessing vibrating diaphragm, vibrating diaphragm and telephone receiver

#241
20170289659
2017-10-05

Speaker device

#242
20170280245
2017-09-28

Loudspeaker Diaphragm

#243
20170257704
2017-09-07

Electrodynamic sound transducer

#244
20170215007
2017-07-27

Electroacoustic transducer

#245
20170201834
2017-07-13

Electroacoustic transducer

#246
20170171659
2017-06-15

Subwoofer structure for vehicle

#247
20170164128
2017-06-08

Method for manufacturing microphone chip

#248
20170134862
2017-05-11

Speaker

#249
20170127166
2017-05-04

LIGHTING DEVICE AND DISPLAY DEVICE

#250
20170118560
2017-04-27

Bushings constrained by compression in levered apparatus

#251
20170094413
2017-03-30

SOUNDBOARD SPEAKER OF DIGITAL PIANO

#252
20170078802
2017-03-16

Condenser microphone with non-circular membrane

#253
20170078798
2017-03-16

Hinge systems for audio transducers and audio transducers or devices incorporating the same

#254
20170070824
2017-03-09

MEMS microphone

#255
20170053832
2017-02-23

WAFER STRUCTURE AND PROCESSING METHOD THEREOF

#256
20170041706
2017-02-09

Device having a composite acoustic membrane

#257
20170013383
2017-01-12

Micro speaker with capacitors formed by conductive diaphragm and segmented pole plate

#258
20170013365
2017-01-12

Diaphragm and suspension edge having elastic ribs, and speaker

#259
20170013333
2017-01-12

Mobile terminal

#260
20160373862
2016-12-22

Loudspeaker device and audio output apparatus having the same

#261
20160360322
2016-12-08

Microelectromechanical microphone with differential capacitive sensing

#262
20160360319
2016-12-08

Integrated yoke and armature in a receiver

#263
20160353207
2016-12-01

Loudspeaker assembly configuration

#264
20160353206
2016-12-01

Audio transducer with hybrid diaphragm

#265
20160345098
2016-11-24

Systems and methods for improved audio output in electronic devices

#266
20160295332
2016-10-06

Vibration unit for acoustic module

#267
20160277838
2016-09-22

MULTI-LAYERED MEMS SPEAKER

#268
20160249136
2016-08-25

LOUDSPEAKER AND LOUDSPEAKER DRIVER

#269
20160227323
2016-08-04

Receiver Having Diaphragm with Improved Rigidity

#270
20160227321
2016-08-04

Acoustic device

#271
20160227312
2016-08-04

Hearing-impaired person assistance speaker

#272
20160219371
2016-07-28

Loudspeaker

#273
20160212542
2016-07-21

Anti-impact silicon based MEMS microphone, a system and a package with the same

#274
20160198266
2016-07-07

EARPHONE AND MANUFACTURING METHOD FOR EARPHONE

#275
20160165352
2016-06-09

Moving iron sounding device

#276
20160165351
2016-06-09

Diaphragm And Speaker Using Same

#277
20160157035
2016-06-02

High displacement acoustic transducer systems

#278
20160142814
2016-05-19

Dual cartridge directional microphone

#279
20160127832
2016-05-05

SPEAKER DIAPHRAGM SUPPORTING STRUCTURE

#280
20160119716
2016-04-28

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