Patents-Review.com
ClassID:

231978 ⎘

H04R7/125 - CPC Classification

Classification description:

Diaphragms for electromechanical transducers ; Cones characterised by the construction; Non-planar diaphragms or cones comprising a plurality of sections or layers comprising a plurality of superposed layers in contact

Recent Application in this class:
#1
20260046565
2026-02-12

LOUDSPEAKER CONE WITH RAISED CURVED PROTRUSIONS AND METHOD FOR CONTROLLING RESONANT MODES

 #2
20250324201
2025-10-16

Speaker and Microphone with Utg Diaphragm

 #3
20250252946
2025-08-07

ASSEMBLIES FOR GENERATION OF SOUND

 #4
20250168568
2025-05-22

SPEAKERS AND METHODS

 #5
20240422492
2024-12-19

METHOD OF MANUFACTURING SPEAKER DIAPHRAGM, SPEAKER DIAPHRAGM, AND SPEAKER

 #6
20240414477
2024-12-12

SPEAKER

 #7
20240381029
2024-11-14

Loudspeaker Cone with Raised Curved Protrusions and Methods for Controlling Resonant Modes

 #8
20240048910
2024-02-08

Loudspeaker diaphragm

 #9
20230239640
2023-07-27

Loudspeaker vibrating membrane with hard property and elastic soft property and method for manufacturing the same

 #10
20230156420
2023-05-18

Vibration plate and method for manufacturing vibration plate

 #11
20230134752
2023-05-04

Dual-diaphragm assembly having center constraint

 #12
20230047856
2023-02-16

MEMS transducer with improved performance

 #13
20220360902
2022-11-10

Diaphragm for sound generating device and sound generating device

 #14
20220329947
2022-10-13

Loudspeaker diaphragm

 #15
20220329946
2022-10-13

Loudspeaker cone with raised curved protrusions and method for controlling resonant modes

 #16
20220279279
2022-09-01

Conductive film for sound producing apparatus and sound producing apparatus

 #17
20220223139
2022-07-14

Assemblies for generation of sound

 #18
20220032856
2022-02-03

Interior component of a vehicle

 #19
20210384602
2021-12-09

Metamaterial loudspeaker diaphragm

 #20
20210297782
2021-09-23

Speaker diaphragm and headphone

 #21
20210274286
2021-09-02

Speaker diaphragm and speaker

 #22
20210274285
2021-09-02

Speaker diaphragm and speaker

 #23
20210258695
2021-08-19

Speaker

 #24
20210118420
2021-04-22

Apparatuses and methods for superposition based wave synthesis

 #25
20200314555
2020-10-01

ELECTRO-ACTIVE LOUDSPEAKER

 #26
20200260188
2020-08-13

Speaker diaphragm and production method thereof

 #27
20200213740
2020-07-02

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

 #28
20200145759
2020-05-07

Loudspeaker diaphragm

 #29
20200120425
2020-04-16

Loudspeaker with a diaphragm stiffening grid

 #30
20200120424
2020-04-16

Loudspeaker diaphragm

 #31
20200077195
2020-03-05

Speaker diaphragm structure

 #32
20190297424
2019-09-26

Loudspeaker diaphragm

 #33
20190297423
2019-09-26

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

 #34
20190289403
2019-09-19

Assemblies for generation of sound

 #35
20190253808
2019-08-15

Moving-coil loudspeaker

 #36
20190237060
2019-08-01

Apparatuses and methods for superposition based wave synthesis

 #37
20190166445
2019-05-30

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

 #38
20190149925
2019-05-16

Speaker with flex circuit acoustic radiator

 #39
20190149924
2019-05-16

Diaphragm and miniature speaker comprising same

 #40
20190069092
2019-02-28

SPEAKER DIAPHRAGM

 #41
20190037318
2019-01-31

Speaker diaphragm and coil coupling arrangement, and method

 #42
20180343532
2018-11-29

Acoustic diaphragm and speaker containing the same

 #43
20180270596
2018-09-20

LOUDSPEAKER-DIAPHRAGM AND LOUDSPEAKER INCLUDING THE SAME

 #44
20180270595
2018-09-20

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

 #45
20180270578
2018-09-20

VIBRATION DIAPHRAGM AND SPEAKER DEVICE

 #46
20180220226
2018-08-02

Acoustic apparatus

 #47
20180192217
2018-07-05

Capacitive sensing of a moving-coil structure with an inset plate

 #48
20180184208
2018-06-28

Loudspeaker diaphragm

 #49
20180152800
2018-05-31

Speaker device

 #50
20180124518
2018-05-03

Diaphragm dome, method for manufacturing the same and speaker

 #51
20180098155
2018-04-05

Electroacoustic transducer

 #52
20180046223
2018-02-15

Composite membrane and method for producing a composite membrane

 #53
20170374468
2017-12-28

Vibrating diaphragm assembly

 #54
20170251307
2017-08-31

Speaker vibrating member and method of making the same

 #55
20170245057
2017-08-24

Speaker with flex circuit acoustic radiator

 #56
20170230756
2017-08-10

MEMS LOUDSPEAKER DEVICE AND CORRESPONDING MANUFACTURING METHOD

 #57
20170188155
2017-06-29

Loudspeaker diaphragm

 #58
20170118562
2017-04-27

Flexible, shapeable free-form electrostatic speakers

 #59
20160366499
2016-12-15

Pressure equalization audio speaker design

 #60
20160330549
2016-11-10

Speaker Diaphragms and Speakers with the Same

 #61
20160295331
2016-10-06

Acoustic diaphragm

 #62
20160295330
2016-10-06

Acoustic diaphragm

 #63
20160295329
2016-10-06

Loudspeaker diaphragm and manufacturing method thereof

 #64
20160286318
2016-09-29

Loudspeaker, electronic apparatus using same, and mobile apparatus

 #65
20160284978
2016-09-29

Piezoelectric device

 #66
20160234601
2016-08-11

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

 #67
20160234600
2016-08-11

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

 #68
20160227322
2016-08-04

Speaker box

 #69
20160227321
2016-08-04

Acoustic device

 #70
20160212541
2016-07-21

Vibration system of a loudspeaker

 #71
20160212540
2016-07-21

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

 #72
20160146039
2016-05-26

Acoustic attenuation with adaptive impedance

 #73
20160142823
2016-05-19

Membrane and method for producing diaphragm, and composite diaphragm

 #74
20160037262
2016-02-04

Vibrating body for speaker device and speaker device

 #75
20150350791
2015-12-03

Vibrating element

 #76
20150317972
2015-11-05

Loudspeaker membrane and method for manufacturing such a membrane

 #77
20150181341
2015-06-25

Three part membrane speaker

 #78
20150125692
2015-05-07

Asymmetrical multi-layered membrane for electroacoustic transducers

 #79
20150075900
2015-03-19

Loudspeaker diaphragm and loudspeaker using same

 #80
20150010197
2015-01-08

Speaker diaphragm and production method for speaker diaphragm

 #81
20140341403
2014-11-20

Optically clear diaphragm for an acoustic transducer and method for making same

 #82
20140241567
2014-08-28

Audio speaker with sandwich-structured composite diaphragm

 #83
20140083795
2014-03-27

Compound membrane and acoustic device using same

 #84
20140054104
2014-02-27

Speaker diaphragm and its manufacturing method

 #85
20140037128
2014-02-06

Device for emitting an acoustic wave

 #86
20130309400
2013-11-21

Method for making diaphragm

 #87
20130062710
2013-03-14

Micro electrical mechanical system with bending deflection of backplate structure

 #88
20130043090
2013-02-21

Diaphragm of electric sound converter and its manufacturing method

 #89
20120281861
2012-11-08

VIBRATION DIAPHRAGM AND SPEAKER WITH A VIBRATION DIAPHRAGM

 #90
20120186903
2012-07-26

Optically clear diaphragm for an acoustic transducer and method for making same

 #91
20120148085
2012-06-14

Diaphragm and speaker device provided with the same

 #92
20110116677
2011-05-19

Diaphragm and loudspeaker using the same

 #93
20110116658
2011-05-19

FINE NATURAL FIBER AND SPEAKER DIAPHRAGM COATED WITH FINE NATURAL FIBER

 #94
20110096952
2011-04-28

Diaphragm, method making the same and loudspeaker using the same

 #95
20110026757
2011-02-03

ACOUSTIC CONVERTER DIAPHRAGM, AND ACOUSTIC CONVERTER

 #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
20100224437
2010-09-09

Optically clear diaphragm for an acoustic transducer and method for making same

 #99
20100183173
2010-07-22

Dynamic sound transducer and receiver

 #100
20090226018
2009-09-10

MICRO-TRANSDUCER WITH IMPROVED PERCEIVED SOUND QUALITY

 #101
20090129624
2009-05-21

Acoustic diaphragm

 #102
20090090453
2009-04-09

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

 #103
20090060255
2009-03-05

MULTI-LAYERED MEMBRANES CONSISTING OF A PLURALITY OF MATERIALS, FOR THE LOUDSPEAKER OF A HIGH FIDELITY LOUDSPEAKER CABINET

 #104
20090052726
2009-02-26

Diaphragm and loudspeaker unit using the same

 #105
20090038878
2009-02-12

Acoustic diaphragm and speaker

 #106
20080257638
2008-10-23

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

 #107
20080199028
2008-08-21

Speaker diaphragm and speaker including the same

 #108
20070286448
2007-12-13

Electroacoustic transducer diaphragm

 #109
20070235251
2007-10-11

Speaker diaphragm and speaker

 #110
20070187171
2007-08-16

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

 #111
20070178242
2007-08-02

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

 #112
20070137820
2007-06-21

Waterproof vibration plate for speaker

 #113
20070071276
2007-03-29

Diaphragm for speaker

 #114
20060281381
2006-12-14

Speaker member and method for manufacturing the same

 #115
20060265861
2006-11-30

Method for manufacturing a diaphragm assembly

 #116
20060222201
2006-10-05

Multi-layered membranes consisting of a plurality of materials, for the loudspeaker of a high fidelity loudspeaker cabinet

 #117
20060218763
2006-10-05

Method of making an acoustic assembly for a transducer

 #118
20060215874
2006-09-28

Acoustic assembly for a transducer

 #119
20060193488
2006-08-31

Diaphragm and speaker

 #120
20060174823
2006-08-10

Surface acoustic wave devices and associated casting methods

 #121
20060147081
2006-07-06

Loudspeaker plastic cone body

 #122
20060133639
2006-06-22

Diaphragm for loudspeaker - magnesium alloy base and multi-layers ceramic structure

 #123
20060104473
2006-05-18

Loudspeaker diaphragm systems

 #124
20060008111
2006-01-12

Acoustic diaphragm

 #125
20050211499
2005-09-29

Loudspeaker diaphragm

 #126
20050178516
2005-08-18

Speaker component, method of manufacturing the same and speaker apparatus including the same

 #127
20050122189
2005-06-09

Cast diamond tools and formation thereof by chemical vapor deposition

 #128
20050089187
2005-04-28

Nanoporous diaphragm for electromagentic transducer

 #129
20050051380
2005-03-10

Speaker diaphragm and speaker using the diaphram

 #130
20050041828
2005-02-24

Magnesium diaphragm, method of manufacturing the same, and speaker apparatus

 #131
14454956
2015-10-27

Composite vibration diaphragm and its fabrication method