Patents-Review.com
ClassID:

231983 ⎘

H04R7/20 - CPC Classification

Classification description:

Diaphragms for electromechanical transducers ; Cones; Mounting or tensioning of diaphragms or cones at the periphery Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands

Recent Application in this class:
#1
20260149930
2026-05-28

ROBUST ELECTROACOUSTIC TRANSDUCER

 #2
20260052344
2026-02-19

TRANSDUCER ELEMENT AND ARRAY-TYPE TRANSDUCER WITH ORTHOGONAL DIAPHRAGM MOTION

 #3
20260006360
2026-01-01

HEADPHONES

 #4
20250287152
2025-09-11

SPEAKER

 #5
20250267407
2025-08-21

SPEAKER ASSEMBLY

 #6
20250142252
2025-05-01

SPEAKER DEVICE

 #7
20250126409
2025-04-17

MEMS piezoelectric speaker

 #8
20250088805
2025-03-13

SPEAKERS

 #9
20250030986
2025-01-23

SPEAKER

 #10
20250030985
2025-01-23

SPEAKER

 #11
20250016505
2025-01-09

ACOUSTIC MODULE AND ELECTRONIC DEVICE

 #12
20240397259
2024-11-28

BIOACOUSTIC SENSOR AND STETHOSCOPE INCLUDING THE SAME

 #13
20240323611
2024-09-26

LOUDSPEAKER

 #14
20240298117
2024-09-05

Line damper bellows dual opposing driver speaker

 #15
20240292154
2024-08-29

HIGHLY COMPLIANT MINIATURE TRANSDUCER

 #16
20240284106
2024-08-22

Speaker

 #17
20240267677
2024-08-08

HIGH-PRECISION ALIGNMENT FEATURES FOR AUDIO TRANSDUCERS

 #18
20240236554
2024-07-11

Passive Radiator with Adjustable Working Frequency

 #19
20240179452
2024-05-30

ULTRASONIC TRANSDUCER, DISTANCE MEASUREMENT APPARATUS, AND METHOD OF MANUFACTURING ULTRASONIC TRANSDUCER

 #20
20240114276
2024-04-04

Speaker Apparatus

 #21
20240031741
2024-01-25

Loudspeaker for hearing device

 #22
20240022863
2024-01-18

SPEAKER STRUCTURE AND SPEAKER DEVICE

 #23
20240022862
2024-01-18

SPEAKER STRUCTURE AND SPEAKER DEVICE

 #24
20240022861
2024-01-18

SPEAKER DEVICE

 #25
20240022853
2024-01-18

Speaker

 #26
20240015443
2024-01-11

LOUDSPEAKER

 #27
20230421960
2023-12-28

SPEAKER AND METHOD OF PRODUCING THE SAME

 #28
20230421948
2023-12-28

LOUDSPEAKER

 #29
20230370779
2023-11-16

A FULL-FREQUENCY BAND HIGH QUALITY PLANAR RESONANCE SPEAKER WITH A BAR AND SOUND TUNNELS

 #30
20230362548
2023-11-09

Speaker and Terminal

 #31
20230328459
2023-10-12

VIBRATION DEVICES

 #32
20230328453
2023-10-12

Speaker module

 #33
20230300536
2023-09-21

VIBRATION SENSOR AND MICROPHONE

 #34
20230254646
2023-08-10

Damping structure to increase speaker rated power

 #35
20230217181
2023-07-06

Speaker device

 #36
20230217175
2023-07-06

Balanced armature receiver having improved frequency response

 #37
20230199393
2023-06-22

Acoustic device

 #38
20220417651
2022-12-29

PASSIVE RADIATOR UNIT AND SPEAKER SYSTEM COMPRISING SAME

 #39
20220394390
2022-12-08

Sound-producing device and electronic terminal

 #40
20220369039
2022-11-17

Multi-input-driving loudspeaker

 #41
20220322012
2022-10-06

LOUDSPEAKER, AND MANUFACTURING METHOD AND SOUND PRODUCTION METHOD THEREFOR

 #42
20220303669
2022-09-22

INSTRUMENT SPEAKER CABINET WITH ACTIVE AND PASSIVE RADIATOR SPEAKERS

 #43
20220295188
2022-09-15

Highly compliant miniature transducer

 #44
20220286773
2022-09-08

Bioacoustic sensor and stethoscope including the same

 #45
20220232323
2022-07-21

Balanced armature receiver and diaphragms therefor

 #46
20220210564
2022-06-30

Speaker

 #47
20220167089
2022-05-26

Loudspeaker with a non-uniform suspension and an enforcement element

 #48
20220167088
2022-05-26

Conductive plane damper

 #49
20220150638
2022-05-12

Speaker device

 #50
20220124436
2022-04-21

Loudspeaker assembly with a separate voice coil assembly

 #51
20220109936
2022-04-07

In line damper bellows dual opposing driver speaker

 #52
20220038824
2022-02-03

Inertial exciters, drive units and loudspeakers

 #53
20220026964
2022-01-27

Speaker assembly for electronic device

 #54
20220014830
2022-01-13

Speaker apparatus

 #55
20210409869
2021-12-30

SPEAKER EDGE, DIAPHRAGM UNIT, AND METHOD OF MANUFACTURING SPEAKER EDGE

 #56
20210377666
2021-12-02

Speaker

 #57
20210306755
2021-09-30

Speaker diaphragm, speaker, speaker diaphragm manufacturing method, electronic device, and mobile body apparatus

 #58
20210099792
2021-04-01

AUDIO LOUDSPEAKER AND RELATED METHOD

 #59
20200389736
2020-12-10

BRIDGE-EDGE-TYPE HIGH-RESOLUTION ELECTROMAGNETIC SPEAKER

 #60
20200389735
2020-12-10

BRIDGE-EDGE-TYPE HIGH-RESOLUTION ELECTROMAGNETIC SPEAKER

 #61
20200356138
2020-11-12

Vibration system, speaker apparatus and video displaying apparatus

 #62
20200283290
2020-09-10

Sensor with a membrane electrode, a counterelectrode, and at least one spring

 #63
20200213752
2020-07-02

Speaker

 #64
20200213742
2020-07-02

DIAPHRAGM ASSEMBLY, A TRANSDUCER, A MICROPHONE, AND A METHOD OF MANUFACTURE

 #65
20200213740
2020-07-02

Diaphragm assembly, a transducer, a microphone, and a method of manufacture

 #66
20200186928
2020-06-11

Acoustic panel assembly with suspension system

 #67
20200112795
2020-04-09

Electrodynamic loudspeaker comprising a truss

 #68
20200092637
2020-03-19

Audio loudspeaker and related method

 #69
20200077198
2020-03-05

Speaker

 #70
20200068315
2020-02-27

Method of fabricating a miniature device having an acoustic diaphragm

 #71
20200053478
2020-02-13

Speaker

 #72
20200053469
2020-02-13

Speaker

 #73
20200045466
2020-02-06

Speaker

 #74
20200045457
2020-02-06

Speaker with elastic support member and method for manufacturing the same

 #75
20200045442
2020-02-06

Speaker

 #76
20200045435
2020-02-06

Diaphragm and speaker

 #77
20200045434
2020-02-06

Micro sound device

 #78
20200045433
2020-02-06

Speaker

 #79
20200045432
2020-02-06

Speaker

 #80
20200045431
2020-02-06

Speaker

 #81
20200045430
2020-02-06

Speaker

 #82
20200045429
2020-02-06

Speaker

 #83
20200045428
2020-02-06

Speaker

 #84
20200021916
2020-01-16

Glass sheet composite

 #85
20190373372
2019-12-05

Diaphragm for Producing sound and Speaker Using Same

 #86
20190373371
2019-12-05

Diaphragm for producing sound and speaker using same

 #87
20190373370
2019-12-05

Diaphragm for producing sound and speaker using same

 #88
20190373369
2019-12-05

Diaphragm for producing sound and speaker using same

 #89
20190342666
2019-11-07

DIAPHRAGM FOR A RECEIVER

 #90
20190335260
2019-10-31

Speaker apparatus

 #91
20190313191
2019-10-10

Sound producing device

 #92
20190306605
2019-10-03

Broadband electrodynamic transducer for headphones, and associated headphones

 #93
20190289402
2019-09-19

Electroacoustic transducer and display apparatus

 #94
20190261093
2019-08-22

Transducer having a conductive suspension member

 #95
20190253808
2019-08-15

Moving-coil loudspeaker

 #96
20190230444
2019-07-25

Electronic device

 #97
20190208325
2019-07-04

Miniature speaker

 #98
20190149902
2019-05-16

Light and loudspeaker driver device

 #99
20190149901
2019-05-16

Surround structure of speaker

 #100
20190124430
2019-04-25

Electrodynamic loudspeaker membrane with internally molded electrical connection

 #101
20190104369
2019-04-04

Sound converter

 #102
20190082248
2019-03-14

Speaker apparatus

 #103
20190068038
2019-02-28

Sound production device

 #104
20190058953
2019-02-21

Diaphragm suspension for a loudspeaker

 #105
20190028808
2019-01-24

Voice emitting device of speaker

 #106
20190020955
2019-01-17

Electroacoustic transducer and display apparatus

 #107
20190014418
2019-01-10

Suspension for moving-coil loudspeaker and loudspeaker

 #108
20180367915
2018-12-20

Vibration membrane

 #109
20180367906
2018-12-20

Vibration diaphragm

 #110
20180343508
2018-11-29

Spring sheet, electroacoustic device, and electronic device

 #111
20180338207
2018-11-22

Method of fabricating a miniature device having an acoustic diaphragm

 #112
20180310082
2018-10-25

Unit body housing in a speaker system

 #113
20180295450
2018-10-11

Transducer diaphragm

 #114
20180242086
2018-08-23

Loudspeaker driver surround

 #115
20180242084
2018-08-23

Variable shape surround device for a high excursion speaker drive

 #116
20180228259
2018-08-16

Protective cover for electronic device

 #117
20180227672
2018-08-09

Audio system

 #118
20180220240
2018-08-02

Microphone and manufacturing method thereof

 #119
20180213334
2018-07-26

Microelectromechanical microphone

 #120
20180213330
2018-07-26

Electronic device and loudspeaker thereof

 #121
20180206029
2018-07-19

Planar magnetic electro-acoustic transducer having multiple diaphragms

 #122
20180192198
2018-07-05

PERFORATED DIAPHRAGM FOR AN ACOUSTIC DEVICE

 #123
20180167735
2018-06-14

GRAPHENE COMPOSITE ACOUSTIC DIAPHRAGM

 #124
20180167734
2018-06-14

Loudspeaker diaphragm and loudspeaker including same

 #125
20180109878
2018-04-19

Loudspeaker motor and suspension system

 #126
20180091904
2018-03-29

DYNAMIC LOUDSPEAKER DRIVER, LOUDSPEAKER AND MOBILE DEVICE COMPRISING A LOUDSPEAKER

 #127
20180091902
2018-03-29

Transducer having a conductive suspension member

 #128
20180053813
2018-02-22

Organic light emitting display device including a sound generating apparatus

 #129
20180035187
2018-02-01

Light and loudspeaker driver device

 #130
20170359640
2017-12-14

Audio speakers with integrated sealing and assembly features for “caseless” installation

 #131
20170353800
2017-12-07

DIAPHRAGM ASSEMBLY

 #132
20170347204
2017-11-30

Miniature sounder

 #133
20170347184
2017-11-30

Speaker device having diaphragm with folded portion

 #134
20170331452
2017-11-16

Electronic device

 #135
20170289698
2017-10-05

Vibrating body for acoustic transducer and speaker device

 #136
20170280263
2017-09-28

IN-PLANE OVERTRAVEL STOPS FOR MEMS MICROPHONE

 #137
20170257704
2017-09-07

Electrodynamic sound transducer

 #138
20170245056
2017-08-24

Transducer diaphragm

 #139
20170181303
2017-06-22

Membrane for liquid-resistant devices and methods of making a membrane

 #140
20170180864
2017-06-22

Center-fixed MEMS microphone membrane

 #141
20170134863
2017-05-11

Speaker

 #142
20170134862
2017-05-11

Speaker

 #143
20170118561
2017-04-27

MEMS device and process

 #144
20170078800
2017-03-16

Fabricating an integrated loudspeaker piston and suspension

 #145
20170078799
2017-03-16

Transducer diaphragm

 #146
20170034630
2017-02-02

Long stroke speaker

 #147
20170026755
2017-01-26

Speaker

 #148
20170013379
2017-01-12

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

 #149
20170013363
2017-01-12

Microelectromechanical microphone having a stationary inner region

 #150
20170006382
2017-01-05

Graphene composite acoustic diaphragm

 #151
20160381461
2016-12-29

Acoustic Driver Tensioner

 #152
20160373874
2016-12-22

In-plane overtravel stops for MEMS microphone

 #153
20160373863
2016-12-22

Loudspeaker vibration system

 #154
20160345099
2016-11-24

Electro-acoustic transducer with radiating acoustic seal and stacked magnetic circuit assembly

 #155
20160295332
2016-10-06

Vibration unit for acoustic module

 #156
20160286317
2016-09-29

Capacitive silicon microphone and fabrication method thereof

 #157
20160234618
2016-08-11

Loudspeaker and mobile device equipped with the same

 #158
20160227322
2016-08-04

Speaker box

 #159
20160227305
2016-08-04

Speaker box

 #160
20160227304
2016-08-04

Speaker box

 #161
20160212513
2016-07-21

Loudspeaker and mobile device incorporating same

 #162
20160192079
2016-06-30

ROTARY FLUX ACOUSTIC TRANSDUCER

 #163
20160163445
2016-06-09

Compact electrical device and electrodynamic loudspeaker, electric motor, stirring device and adjustable clutch based thereon

 #164
20160157021
2016-06-02

Electroacoustic transducer

 #165
20160155926
2016-06-02

Electroacoustic transducer

 #166
20160142825
2016-05-19

Suspension element for suspending the diaphragm of a loudspeaker driver to the chassis thereof as well as driver and loudspeaker comprising the same

 #167
20160119717
2016-04-28

Suspension for acoustic device

 #168
20160118032
2016-04-28

Acoustic device suspension

 #169
20160094916
2016-03-31

Vibration unit for acoustic module

 #170
20160088402
2016-03-24

Capacitive micro-electro-mechanical system microphone and method for manufacturing the same

 #171
20160088396
2016-03-24

Speaker

 #172
20160066098
2016-03-03

Compact, Wide-Frequency Range, Loudspeaker Transducer

 #173
20160029126
2016-01-28

MEMS membrane overtravel stop

 #174
20160021463
2016-01-21

VIBRATING BODY FOR ACOUSTIC TRANSDUCER AND SPEAKER DEVICE

 #175
20160014524
2016-01-14

Voice coil speaker

 #176
20150382111
2015-12-31

VOICE COIL FORMER STIFFENER

 #177
20150373441
2015-12-24

Speaker apparatus

 #178
20150362394
2015-12-17

Pressure-sensitive sensor

 #179
20150341725
2015-11-26

Electroacoustic transducer

 #180
20150312680
2015-10-29

Loudspeaker

 #181
20150304779
2015-10-22

Piezoelectric electroacoustic transducer

 #182
20150304776
2015-10-22

Audio transducer with electrostatic discharge protection

 #183
20150256924
2015-09-10

MEMS device and process

 #184
20150237448
2015-08-20

Integrated CMOS/MEMS microphone die

 #185
20150181343
2015-06-25

Vibration unit for acoustic arrangement

 #186
20150181342
2015-06-25

Modular speaker component

 #187
20150181341
2015-06-25

Three part membrane speaker

 #188
20150136517
2015-05-21

Surround with variations of concavity

 #189
20150125024
2015-05-07

Speaker surround structure for maximizing cone diameter

 #190
20150110339
2015-04-23

Planar magnetic electro-acoustic transducer having multiple diaphragms

 #191
20150110305
2015-04-23

Electroacoustic transducer

 #192
20150110303
2015-04-23

Acoustic unit, loudspeaker and acoustic module having the same, and manufacturing method thereof

 #193
20150086058
2015-03-26

Microphone having a microphone capsule, dynamic sound transducer for headphones, earphones or headsets and method for producing a microphone capsule or a sound transducer

 #194
20150036868
2015-02-05

Acoustic transducer comprising a plurality of coaxially arranged diaphragms

 #195
20150003643
2015-01-01

Acoustic generator, acoustic generating device, and electronic device

 #196
20140376335
2014-12-25

Oscillation device

 #197
20140355814
2014-12-04

Stabilizer for microphone diaphragm

 #198
20140321692
2014-10-30

Loudspeaker

 #199
20140247960
2014-09-04

Electromagnetic transducer

 #200
20140153750
2014-06-05

Directional loudspeaker

 #201
20140140543
2014-05-22

Micro-electroacoustic device

 #202
20140133685
2014-05-15

Microphone system with mechanically-coupled diaphragms

 #203
20140102825
2014-04-17

Speaker damper and manufacturing method of the same

 #204
20140079258
2014-03-20

Loudspeaker, inner-ear headphone including loudspeaker, and hearing aid including loudspeaker

 #205
20140029784
2014-01-30

Suspension for a sound transducer

 #206
20130306397
2013-11-21

Acoustic diaphragm suspending

 #207
20130301856
2013-11-14

Piezoelectric speaker having weight and method of producing the same

 #208
20130294640
2013-11-07

Loudspeaker, video device, and portable information processing apparatus

 #209
20130177180
2013-07-11

MEMS microphone with springs and interior support

 #210
20130136295
2013-05-30

Loudspeaker Based on "The Principle of The Center Of Percussion."

 #211
20130051597
2013-02-28

Ultra-slim speaker unit capable of improving low-pitched sound characteristic and sound pressure and board equipped with the same

 #212
20130043766
2013-02-21

Actuator, piezoelectric actuator, electronic device, and method for attenuating vibration and converting vibration direction

 #213
20130039526
2013-02-14

Electrodynamic sound-emitting device

 #214
20130016872
2013-01-17

Voice coil former stiffener

 #215
20120314887
2012-12-13

VIBRATION UNIT OF SPEAKER

 #216
20120263340
2012-10-18

Low profile loudspeaker suspension system

 #217
20120251812
2012-10-04

Monofilament fabric acoustic suspension elements

 #218
20120237076
2012-09-20

Speaker diaphragm, and speaker and handheld terminal device using said speaker diaphragm

 #219
20120213398
2012-08-23

SPEAKER, AND ELECTRONIC APPARATUS AND CELLULAR PHONE USING THE SPEAKER

 #220
20120183171
2012-07-19

Speaker surround structure for maximizing cone diameter

 #221
20120177244
2012-07-12

SPEAKER

 #222
20120160598
2012-06-28

Acoustic diaphragm suspending

 #223
20120114164
2012-05-10

Surrounds for audio drivers

 #224
20120087525
2012-04-12

Speaker, hearing aid, inner-ear headphone, portable information processing device, and AV device

 #225
20120070022
2012-03-22

Speaker, hearing aid, earphone, and portable terminal device

 #226
20120057730
2012-03-08

Piezoelectric acoustic transducer

 #227
20110299718
2011-12-08

System for vibration confinement

 #228
20110299716
2011-12-08

Flat diaphragm loudspeaker

 #229
20110293131
2011-12-01

Electroacoustic transducer

 #230
20110255718
2011-10-20

Piezoelectric speaker, piezoelectric audio device employing piezoelectric speaker, and sensor with alert device attached

 #231
20110243361
2011-10-06

Speaker system

 #232
20110206222
2011-08-25

MEMBRANE FOR AN ACOUSTIC TRANSDUCER

 #233
20110194724
2011-08-11

Vibrating body for acoustic transducer and speaker device

 #234
20110164782
2011-07-07

Loudspeaker driver suspension

 #235
20110135141
2011-06-09

Speaker device

 #236
20110135111
2011-06-09

SPEAKER DEVICE AND AUTOMOBILE

 #237
20110123046
2011-05-26

Signal processing apparatus, signal processing method, and program therefor

 #238
20110091064
2011-04-21

Ribbon transducer

 #239
20110075866
2011-03-31

Microphone with backplate having specially shaped through-holes

 #240
20110064260
2011-03-17

INSERT MOLDED SUSPENSION MEMBER WITH MECHANICAL SUPPORT

 #241
20110044490
2011-02-24

Edge for Speaker

 #242
20110044489
2011-02-24

Loudspeaker, video device, and portable information processing apparatus

 #243
20110031061
2011-02-10

Electroacoustic transducer

 #244
20110019866
2011-01-27

Membrane for an electroacoustic transducer

 #245
20100329497
2010-12-30

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

 #246
20100310109
2010-12-09

SUPPORT MEMBER FOR SPEAKER VIBRATING BODY AND SPEAKER DEVICE

 #247
20100303276
2010-12-02

LOUDSPEAKER SURROUND MOUNT

 #248
20100266148
2010-10-21

TRANSDUCER WITH DEFORMABLE CORNER

 #249
20100195862
2010-08-05

Transducer with deformable corner

 #250
20100183171
2010-07-22

Structure of Speaker

 #251
20100172537
2010-07-08

LOUDSPEAKER WITH REAR SURROUND SUPPORT

 #252
20100172535
2010-07-08

Spider arrangement for electromagnetic vibrator

 #253
20100158306
2010-06-24

Diaphragm unit and speaker using the same

 #254
20100092011
2010-04-15

MEMBRANE FOR AN ELECTROACOUSTIC TRANSDUCER AND ACOUSTIC DEVICE

 #255
20100034419
2010-02-11

Speaker

 #256
20090324000
2009-12-31

Speaker surround structure for maximizing cone diameter

 #257
20090208037
2009-08-20

Silicon microphone without dedicated backplate

 #258
20090190793
2009-07-30

Speaker device

 #259
20090190782
2009-07-30

Vibration transducer

 #260
20090141926
2009-06-04

Optimized moving-coil loudspeaker

 #261
20090141916
2009-06-04

Loudspeaker-transducer array

 #262
20090139794
2009-06-04

Diaphragm surrounding

 #263
20090116680
2009-05-07

Loudspeaker

 #264
20090060252
2009-03-05

Loudspeaker

 #265
20090052726
2009-02-26

Diaphragm and loudspeaker unit using the same

 #266
20090028368
2009-01-29

Diaphragm and sound output apparatus

 #267
20090010480
2009-01-08

Separate support structure for loudspeaker diaphragm

 #268
20080296086
2008-12-04

Diaphragm surround

 #269
20080285788
2008-11-20

Electrodynamic transducer including a dome with a ferrofluid suspension

 #270
20080279414
2008-11-13

Loudspeaker

 #271
20080232634
2008-09-25

SPEAKER WITH SOUND GENERATION PART OF LARGE AREA

 #272
20080230304
2008-09-25

Membrane for an electroacoustic transducer

 #273
20080212822
2008-09-04

Loudspeaker suspension

 #274
20080175418
2008-07-24

Microphone with pressure relief

 #275
20080118090
2008-05-22

SURROUND ATTACHMENT

 #276
20080089549
2008-04-17

Loudspeaker diaphragm and method for manufacturing a loudspeaker diaphragm

 #277
20080085017
2008-04-10

Loudspeaker and microphone based on the principle of "The Center of Percussion"

 #278
20080049967
2008-02-28

Acoustic transducer

 #279
20080048525
2008-02-28

Piezoelectric electroacoustic transducing device

 #280
20080023259
2008-01-31

Speaker edge and resonator panel assembly

 #281
20070272475
2007-11-29

Tangential stress reduction system in a loudspeaker suspension

 #282
20070261910
2007-11-15

Capacitive vibration sensor and method for manufacturing same

 #283
20070242851
2007-10-18

Loudspeaker

 #284
20070201712
2007-08-30

Speaker system

 #285
20070165888
2007-07-19

Support apparatus for microphone diaphragm

 #286
20070125591
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Audio speaker with wobble free voice coil movement

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2007-05-10

Connecting sheet of paper cone

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2007-04-12

Insert molded surround with mechanical support

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2007-03-29

Loudspeaker

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2007-03-29

Insert moulded surround with integrated lead-out wires

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Loudspeaker including a cone circumscribed by a stiffener

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2006-10-05

Method of making an acoustic assembly for a transducer

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2006-09-28

Acoustic assembly for a transducer

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Electro-acoustic transducer

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2006-07-27

Suspension and electro-acoustic transducer using the suspension

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2006-07-20

Acoustic device

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2006-06-01

Inertial voice type coil actuator

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Loudspeaker suspension

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2006-05-25

Inertial voice type coil actuator systems

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2006-05-11

Dynamic micro speaker with dual suspension