Patents-Review.com
ClassID:

232182 ⎘

H04R2307/207 - 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 Shape aspects of the outer suspension of loudspeaker diaphragms

Recent Application in this class:
#1
20250373983
2025-12-04

SPEAKER

 #2
20250126409
2025-04-17

MEMS piezoelectric speaker

 #3
20240373168
2024-11-07

SPEAKER

 #4
20240323611
2024-09-26

LOUDSPEAKER

 #5
20240276151
2024-08-15

SPEAKER

 #6
20240236575
2024-07-11

HIGH-ACOUSTIC-RESISTANCE PISTON MOTION LOUDSPEAKER

 #7
20240187792
2024-06-06

Head-mounted device

 #8
20240137704
2024-04-25

HIGH-ACOUSTIC-RESISTANCE PISTON MOTION LOUDSPEAKER

 #9
20240107236
2024-03-28

Vibrating diaphragm array

 #10
20230156407
2023-05-18

Loudspeaker and assembly method therefor, vibration mechanism, and loudspeaker device

 #11
20220388105
2022-12-08

Support structure and method of forming a support structure

 #12
20220167089
2022-05-26

Loudspeaker with a non-uniform suspension and an enforcement element

 #13
20220141574
2022-05-05

Passive diaphragm assembly

 #14
20220038824
2022-02-03

Inertial exciters, drive units and loudspeakers

 #15
20210377666
2021-12-02

Speaker

 #16
20210377665
2021-12-02

Varied curvature diaphragm balanced mode radiator

 #17
20210235194
2021-07-29

RESONATING LOUDSPEAKERS AND RELATED SYSTEMS AND METHODS

 #18
20210204063
2021-07-01

DRUM PAPER AND LOUDSPEAKER HAVING IMPROVED SURROUND ELEMENT AND REDUCED SOUND DISTORTION

 #19
20210067876
2021-03-04

Speaker

 #20
20200267476
2020-08-20

MICRO-SPEAKER

 #21
20200137500
2020-04-30

Electrodynamic acoustic transducer with improved suspension system

 #22
20200053478
2020-02-13

Speaker

 #23
20200045466
2020-02-06

Speaker

 #24
20200045457
2020-02-06

Speaker with elastic support member and method for manufacturing the same

 #25
20200045432
2020-02-06

Speaker

 #26
20200045430
2020-02-06

Speaker

 #27
20190373371
2019-12-05

Diaphragm for producing sound and speaker using same

 #28
20190373370
2019-12-05

Diaphragm for producing sound and speaker using same

 #29
20190373369
2019-12-05

Diaphragm for producing sound and speaker using same

 #30
20190342669
2019-11-07

Symmetrical dual-edge loudspeaker

 #31
20190281390
2019-09-12

Loudspeaker diaphragm and molding method therefor

 #32
20190255669
2019-08-22

Support structure and method of forming a support structure

 #33
20190124437
2019-04-25

Damper and speaker apparatus

 #34
20190082262
2019-03-14

Continuous surround

 #35
20190082261
2019-03-14

Microphone device

 #36
20190069093
2019-02-28

Audio speaker surround geometry for improved pistonic motion

 #37
20190058953
2019-02-21

Diaphragm suspension for a loudspeaker

 #38
20190052971
2019-02-14

Acoustic transducer with vibration damping

 #39
20190045313
2019-02-07

Inverted button cap in acoustic transducer

 #40
20180367915
2018-12-20

Vibration membrane

 #41
20180367914
2018-12-20

Vibration diaphragm

 #42
20180367906
2018-12-20

Vibration diaphragm

 #43
20180249258
2018-08-30

System and method for an optical MEMS transducer

 #44
20180242086
2018-08-23

Loudspeaker driver surround

 #45
20180213330
2018-07-26

Electronic device and loudspeaker thereof

 #46
20180124519
2018-05-03

Suspension device for a loudspeaker, manufacturing method and associated loudspeakers

 #47
20180091904
2018-03-29

DYNAMIC LOUDSPEAKER DRIVER, LOUDSPEAKER AND MOBILE DEVICE COMPRISING A LOUDSPEAKER

 #48
20170374468
2017-12-28

Vibrating diaphragm assembly

 #49
20170289691
2017-10-05

Vibrating diaphragm structure and method of manufacture thereof

 #50
20170289690
2017-10-05

VIBRATING DIAPHRAGM STRUCTURE AND METHOD OF MANUFACTURE THEREOF

 #51
20170238086
2017-08-17

Damper and speaker apparatus

 #52
20170195796
2017-07-06

Microspeaker with improved high frequency extension

 #53
20170180837
2017-06-22

Sound emitter device

 #54
20170127188
2017-05-04

Transducer element and MEMS microphone

 #55
20170085980
2017-03-23

Passive radiator structure

 #56
20170078801
2017-03-16

Electrostatic speaker

 #57
20170055082
2017-02-23

SPEAKER

 #58
20170013365
2017-01-12

Diaphragm and suspension edge having elastic ribs, and speaker

 #59
20170013341
2017-01-12

Speaker

 #60
20160381461
2016-12-29

Acoustic Driver Tensioner

 #61
20160330544
2016-11-10

Condenser microphone unit, condenser microphone, and method of manufacturing condenser microphone unit

 #62
20160316298
2016-10-27

Edge structure of diaphragm

 #63
20160295332
2016-10-06

Vibration unit for acoustic module

 #64
20160277839
2016-09-22

Speaker and edge structure thereof

 #65
20160227325
2016-08-04

Routing conductors to electro-acoustic transducer voice coils

 #66
20160219371
2016-07-28

Loudspeaker

 #67
20160205478
2016-07-14

Digital acoustic device with increased sound power

 #68
20160198262
2016-07-07

Vibration member and sound generating device using same

 #69
20160198261
2016-07-07

Speaker

 #70
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

 #71
20160119717
2016-04-28

Suspension for acoustic device

 #72
20160118032
2016-04-28

Acoustic device suspension

 #73
20160094916
2016-03-31

Vibration unit for acoustic module

 #74
20160080870
2016-03-17

Audio speaker surround geometry for improved pistonic motion

 #75
20160057543
2016-02-25

High aspect ratio microspeaker having a two-plane suspension

 #76
20160044418
2016-02-11

Loudspeaker diaphragm

 #77
20160029128
2016-01-28

Sound producing system

 #78
20160021462
2016-01-21

Speaker

 #79
20160014522
2016-01-14

Speaker diaphragm, speaker, device, and method for manufacturing speaker diaphragm

 #80
20160007125
2016-01-07

Open top back plate optical microphone

 #81
20160007108
2016-01-07

Grating only optical microphone

 #82
20150326978
2015-11-12

Electrostatic speaker

 #83
20150319535
2015-11-05

Miniature speaker

 #84
20150251285
2015-09-10

Support structure and method of forming a support structure

 #85
20150181343
2015-06-25

Vibration unit for acoustic arrangement

 #86
20150125024
2015-05-07

Speaker surround structure for maximizing cone diameter

 #87
20150110303
2015-04-23

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

 #88
20150098606
2015-04-09

Electrostatic electroacoustic transducer and method of manufacturing the same

 #89
20150049886
2015-02-19

Electrostatic speaker

 #90
20150003643
2015-01-01

Acoustic generator, acoustic generating device, and electronic device

 #91
20140153750
2014-06-05

Directional loudspeaker

 #92
20140140543
2014-05-22

Micro-electroacoustic device

 #93
20140009008
2014-01-09

Multi-function vibrating device

 #94
20130306397
2013-11-21

Acoustic diaphragm suspending

 #95
20130301856
2013-11-14

Piezoelectric speaker having weight and method of producing the same

 #96
20130294640
2013-11-07

Loudspeaker, video device, and portable information processing apparatus

 #97
20130223023
2013-08-29

MEMS structure with adjustable ventilation openings

 #98
20130056296
2013-03-07

Mass loading for piston loudspeakers

 #99
20130044909
2013-02-21

Wiper seal for passive radiator

 #100
20130039526
2013-02-14

Electrodynamic sound-emitting device

 #101
20120237076
2012-09-20

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

 #102
20120183171
2012-07-19

Speaker surround structure for maximizing cone diameter

 #103
20120160598
2012-06-28

Acoustic diaphragm suspending

 #104
20120128195
2012-05-24

Speaker

 #105
20120114164
2012-05-10

Surrounds for audio drivers

 #106
20120106774
2012-05-03

Speaker, and mobile electronic device

 #107
20120087525
2012-04-12

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

 #108
20120087523
2012-04-12

Speaker having center pleat

 #109
20110299716
2011-12-08

Flat diaphragm loudspeaker

 #110
20110261979
2011-10-27

DIAPHRAGM AND CONDENSER MICROPHONE USING SAME

 #111
20110255718
2011-10-20

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

 #112
20110164782
2011-07-07

Loudspeaker driver suspension

 #113
20110044489
2011-02-24

Loudspeaker, video device, and portable information processing apparatus

 #114
20110019866
2011-01-27

Membrane for an electroacoustic transducer

 #115
20100303276
2010-12-02

LOUDSPEAKER SURROUND MOUNT

 #116
20100239109
2010-09-23

Acoustic device and method of manufacturing same

 #117
20100172537
2010-07-08

LOUDSPEAKER WITH REAR SURROUND SUPPORT

 #118
20100158306
2010-06-24

Diaphragm unit and speaker using the same

 #119
20100158304
2010-06-24

Diaphragm for an electroacoustic transducer, and electroacoustic transducer

 #120
20100155864
2010-06-24

MEMS process and device

 #121
20100092011
2010-04-15

MEMBRANE FOR AN ELECTROACOUSTIC TRANSDUCER AND ACOUSTIC DEVICE

 #122
20100054524
2010-03-04

Speaker device

 #123
20090324000
2009-12-31

Speaker surround structure for maximizing cone diameter

 #124
20090278217
2009-11-12

MEMS device

 #125
20090208037
2009-08-20

Silicon microphone without dedicated backplate

 #126
20090190782
2009-07-30

Vibration transducer

 #127
20090169049
2009-07-02

Low Profile Audio Speaker

 #128
20090041270
2009-02-12

Micro electro mechanical system (MEMS) microphone having a thin-film construction

 #129
20090010480
2009-01-08

Separate support structure for loudspeaker diaphragm

 #130
20080279414
2008-11-13

Loudspeaker

 #131
20080230304
2008-09-25

Membrane for an electroacoustic transducer

 #132
20080226116
2008-09-18

Diaphragm and loudspeaker using same

 #133
20080212822
2008-09-04

Loudspeaker suspension

 #134
20080175418
2008-07-24

Microphone with pressure relief

 #135
20080118098
2008-05-22

Ultra low frequency transducer and loud speaker comprising same

 #136
20080089549
2008-04-17

Loudspeaker diaphragm and method for manufacturing a loudspeaker diaphragm

 #137
20080069394
2008-03-20

Planar speaker driver

 #138
20080048525
2008-02-28

Piezoelectric electroacoustic transducing device

 #139
20070284682
2007-12-13

MEMS process and device

 #140
20070272475
2007-11-29

Tangential stress reduction system in a loudspeaker suspension

 #141
20070223774
2007-09-27

Coupled body of speaker apparatus

 #142
20070102231
2007-05-10

Connecting sheet of paper cone

 #143
20070071275
2007-03-29

Loudspeaker

 #144
20070071274
2007-03-29

Insert moulded surround with integrated lead-out wires

 #145
20060245615
2006-11-02

Loudspeaker

 #146
20060233416
2006-10-19

Loudspeaker including a cone circumscribed by a stiffener

 #147
20060162993
2006-07-27

Suspension and electro-acoustic transducer using the suspension

 #148
20060153420
2006-07-13

Speaker and device using the same

 #149
20060110002
2006-05-25

Loudspeaker suspension

 #150
20060098838
2006-05-11

Dynamic micro speaker with dual suspension

 #151
20060088182
2006-04-27

Speaker apparatus

 #152
20050226456
2005-10-13

Loudspeaker edge

 #153
20050185817
2005-08-25

Tangential stress reduction system in a loudspeaker suspension

 #154
20050175205
2005-08-11

Oval speaker apparatus and method of manufacturing the same

 #155
20050157900
2005-07-21

Acoustic passive radiator rocking mode reducing

 #156
20050013461
2005-01-20

Loudspeaker

 #157
17456536
2023-03-14

Loudspeaker