Patents-Review.com
ClassID:

231975 ⎘

H04R7/10 - CPC Classification

Classification description:

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

Recent Application in this class:
#1
20260138863
2026-05-21

LOUDSPEAKER COMPRISING A MICRO-ELECTROMECHANICAL UNIT

 #2
20260067601
2026-03-05

MOUNTING COMPONENT, TRANSDUCER, AND ELECTRONIC DEVICE

 #3
20260052344
2026-02-19

TRANSDUCER ELEMENT AND ARRAY-TYPE TRANSDUCER WITH ORTHOGONAL DIAPHRAGM MOTION

 #4
20260032390
2026-01-29

Diaphragm for Speaker and Speaker Using Same

 #5
20260032389
2026-01-29

Conductive diaphragm and speaker using same

 #6
20260006383
2026-01-01

PLANAR TRANSDUCER AND SPEAKER

 #7
20250386141
2025-12-18

RUBBER DIAPHRAGM AND SOUND-GENERATING DEVICE

 #8
20250344022
2025-11-06

DIAPHRAGM ASSEMBLY, SPEAKER AND PORTABLE ELECTRONIC DEVICE

 #9
20250324201
2025-10-16

Speaker and Microphone with Utg Diaphragm

 #10
20250310695
2025-10-02

ACOUSTIC TRANSDUCER

 #11
20250260931
2025-08-14

METHOD FOR MANUFACTURING LOUDSPEAKER DIAPHRAGM, LOUDSPEAKER, AND ELECTRONIC DEVICE

 #12
20250247652
2025-07-31

GLASS DIAPHRAGM AND EXCITER-ATTACHED GLASS DIAPHRAGM

 #13
20250227408
2025-07-10

GLASS DIAPHRAGM EQUIPPED WITH EXCITER, CONTROL SYSTEM FOR GLASS DIAPHRAGM EQUIPPED WITH EXCITER, AND CONTROL PROGRAM FOR GLASS DIAPHRAGM EQUIPPED WITH EXCITER

 #14
20250184667
2025-06-05

CORRUGATIONS OR WEAKENED REGIONS ON ARMATURE STRUCTURES OF VERTICAL MEMS CONVERTER MEMBRANES

 #15
20250133344
2025-04-24

Diaphragm for Speaker

 #16
20250126408
2025-04-17

COMPOSITE DIAPHRAGM AND SOUND-GENERATING DEVICE

 #17
20250106561
2025-03-27

MICROELECTROMECHANICAL SYSTEM MEMBRANE

 #18
20250048039
2025-02-06

Electrostatic Transducer And Diaphragm

 #19
20250048035
2025-02-06

MULTI-LAYER BOARD ACTUATOR HAVING A PLANAR MAGNET AND VOICE COIL

 #20
20250048033
2025-02-06

APPARATUS

 #21
20240373167
2024-11-07

SPEAKER DIAPHRAGM AND SPEAKER WITH IMPROVED ACOUSTIC PERFORMANCE

 #22
20240267680
2024-08-08

ULTRASONIC TRANSDUCER, FABRICATION METHOD THEREOF AND ELECTRONIC DEVICE

 #23
20240230400
2024-07-11

MICROELECTROMECHANICAL ACOUSTIC SENSOR WITH MEMBRANE ETCH RELEASE STRUCTURES AND METHOD OF FABRICATION

 #24
20240223964
2024-07-04

VIBRATION APPARATUS AND APPARATUS INCLUDING THE SAME

 #25
20240147160
2024-05-02

HIGH-FREQUENCY SOUND-EMITTING DEVICE

 #26
20240133736
2024-04-25

MICROELECTROMECHANICAL ACOUSTIC SENSOR WITH MEMBRANE ETCH RELEASE STRUCTURES AND METHOD OF FABRICATION

 #27
20240101768
2024-03-28

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

 #28
20240007795
2024-01-04

APPARATUS

 #29
20240007782
2024-01-04

INTEGRATED BAROMETRIC VENT

 #30
20230421967
2023-12-28

Electrostatic transducer and diaphragm

 #31
20230388713
2023-11-30

Dual-Diaphragm MEMS Transducers with High Effective Area

 #32
20230362551
2023-11-09

Piezoelectric Transducer

 #33
20230283962
2023-09-07

METHOD OF MAKING A PIEZOELECTRIC MEMS DIAPHRAGM MICROPHONE

 #34
20230276177
2023-08-31

TRANSPARENT ELECTROSTATIC TRANSDUCERS

 #35
20230262396
2023-08-17

AUDIO-TACTILE TRANSDUCER DEVICE BASED ON DIELECTRIC ELECTRO-ACTIVE ELASTOMERS

 #36
20230249439
2023-08-10

AUTOMOTIVE LAMINATE WITH ELECTROACOUSTIC TRANSDUCER

 #37
20230239615
2023-07-27

TRANSDUCER, ELECTRONIC DEVICE AND TRANSDUCER ARRAY

 #38
20230217174
2023-07-06

Sound production device

 #39
20230191745
2023-06-22

GLASS PLATE STRUCTURE, DIAPHRAGM, AND OPENING MEMBER

 #40
20230131845
2023-04-27

MOUNTING COMPONENT, TRANSDUCER, AND ELECTRONIC DEVICE

 #41
20230125523
2023-04-27

PIEZOELECTRIC SENSOR WITH INCREASED SENSITIVITY AND DEVICES HAVING THE SAME

 #42
20230094844
2023-03-30

Speaker having first diaphragm, second diaphragm with different stiffness from first diaphragm, and driver located in through hole of first diaphragm

 #43
20230051555
2023-02-16

Transducer and driving method thereof, and system

 #44
20230007400
2023-01-05

LAMINATED PIEZOELECTRIC ELEMENT

 #45
20220417669
2022-12-29

GRAPHENE TRANSDUCERS

 #46
20220386040
2022-12-01

Vibrating panel assembly for radiating sound into a passenger compartment of a vehicle

 #47
20220240022
2022-07-28

AUDIO REPRODUCING APPARATUS AND AUDIO DEVICE

 #48
20220210579
2022-06-30

Electrostatic transducer and diaphragm

 #49
20220191622
2022-06-16

Transducer

 #50
20220167088
2022-05-26

Conductive plane damper

 #51
20220150645
2022-05-12

Microphone device with ingress protection

 #52
20220150639
2022-05-12

Mid-range loudspeaker

 #53
20210392453
2021-12-16

Electroacoustic transduction film and manufacturing method thereof, electroacoustic transducer, flexible display, vocal cord microphone, sensor for musical instrument

 #54
20210368274
2021-11-25

Speaker diaphragm and speaker apparatus

 #55
20210337316
2021-10-28

Transparent electrostatic transducers

 #56
20210314707
2021-10-07

Dual back-plate and diaphragm microphone

 #57
20210281962
2021-09-09

COMPOSITE MATERIAL FOR PRODUCING AN ACOUSTIC MEMBRANE

 #58
20210274288
2021-09-02

Speaker

 #59
20210266672
2021-08-26

Speaker diaphragm and speaker

 #60
20210258707
2021-08-19

Speaker diaphragm and speaker

 #61
20210258692
2021-08-19

Speaker diaphragm and speaker

 #62
20210235194
2021-07-29

RESONATING LOUDSPEAKERS AND RELATED SYSTEMS AND METHODS

 #63
20210120345
2021-04-22

Method of making a piezoelectric MEMS diaphragm microphone

 #64
20210092501
2021-03-25

Speaker panel

 #65
20210021936
2021-01-21

Piezoelectric MEMS diaphragm microphone

 #66
20200336837
2020-10-22

Nano membrane, method of manufacturing nano membrane, and apparatus for speaker and microphone using nano membrane

 #67
20200336836
2020-10-22

Nano membrane, method of manufacturing nano membrane, and apparatus for speaker and microphone using nano membrane

 #68
20200314574
2020-10-01

DIAPHRAGM AND METHOD FOR MANUFACTURING SAME, AND SPEAKER

 #69
20200314555
2020-10-01

ELECTRO-ACTIVE LOUDSPEAKER

 #70
20200314513
2020-10-01

Foldable display device and sound providing method thereof

 #71
20200301194
2020-09-24

Display apparatus

 #72
20200213796
2020-07-02

Method for manufacturing MEMS microphone

 #73
20200213740
2020-07-02

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

 #74
20200154208
2020-05-14

Sound generator

 #75
20200107130
2020-04-02

Dual back-plate and diaphragm microphone

 #76
20200075839
2020-03-05

Acoustic transducer and related fabrication and packaging techniques

 #77
20200045425
2020-02-06

METHOD OF MANUFACTURING A MEMS PRINTED CIRCUIT BOARD MODULE AND/OR SOUND TRANSDUCER ASSEMBLY

 #78
20190394595
2019-12-26

Membrane Plate Structure For Generating Sound Waves

 #79
20190373371
2019-12-05

Diaphragm for producing sound and speaker using same

 #80
20190320262
2019-10-17

Electroacoustic transducer and electroacoustic transducer apparatus

 #81
20190306627
2019-10-03

Membrane plate structure for generating sound waves

 #82
20190297423
2019-09-26

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

 #83
20190268699
2019-08-29

Miniature device having an acoustic diaphragm

 #84
20190256351
2019-08-22

Membrane components and method for forming a membrane component

 #85
20190253808
2019-08-15

Moving-coil loudspeaker

 #86
20190238986
2019-08-01

Flat speaker and display device

 #87
20190227603
2019-07-25

Display device

 #88
20190208328
2019-07-04

Speaker module and sound production device

 #89
20190182597
2019-06-13

Nano membrane, method of manufacturing nano membrane, and apparatus for speaker and microphone using nano membrane

 #90
20190155087
2019-05-23

Display apparatus

 #91
20190141433
2019-05-09

Pickup sensor and biological sensor

 #92
20190129686
2019-05-02

Terminal apparatus, output apparatus, and information processing system

 #93
20190124430
2019-04-25

Electrodynamic loudspeaker membrane with internally molded electrical connection

 #94
20190098423
2019-03-28

ACOUSTIC MEMBRANE

 #95
20190098418
2019-03-28

MEMS microphone system

 #96
20190082261
2019-03-14

Microphone device

 #97
20180352342
2018-12-06

Microphone package

 #98
20180302723
2018-10-18

Miniature speaker

 #99
20180270577
2018-09-20

Multi-layer composite for acoustic membranes

 #100
20180262843
2018-09-13

System and method for a multi-electrode MEMS device

 #101
20180249256
2018-08-30

MEMS loudspeaker having an actuator structure and a diaphragm spaced apart therefrom

 #102
20180249252
2018-08-30

MEMS circuit board module having an integrated piezoelectric structure, and electroacoustic transducer arrangement

 #103
20180222749
2018-08-09

Membrane components and method for forming a membrane component

 #104
20180199139
2018-07-12

Sound producing device

 #105
20180160248
2018-06-07

Electroacoustic transduction film and manufacturing method thereof, electroacoustic transducer, flexible display, vocal cord microphone, sensor for musical instrument

 #106
20180160231
2018-06-07

Miniature device having an acoustic diaphragm

 #107
20180160230
2018-06-07

Vibrating film and vibrating film assembling process

 #108
20180139551
2018-05-17

CAPACITIVE MEMBRANE POSITIONING TRACKING

 #109
20180109206
2018-04-19

Plate, transducer and methods for making and operating a transducer

 #110
20180091904
2018-03-29

DYNAMIC LOUDSPEAKER DRIVER, LOUDSPEAKER AND MOBILE DEVICE COMPRISING A LOUDSPEAKER

 #111
20180070183
2018-03-08

Speaker arrangement

 #112
20180063634
2018-03-01

Vented acoustic transducers and related methods and systems

 #113
20180054503
2018-02-22

Electronic device and method for controlling display using piezoelectric element

 #114
20180053813
2018-02-22

Organic light emitting display device including a sound generating apparatus

 #115
20180046223
2018-02-15

Composite membrane and method for producing a composite membrane

 #116
20180044167
2018-02-15

MEMS DEVICE AND PROCESS

 #117
20180041844
2018-02-08

Electrical-acoustic transformation device

 #118
20180035211
2018-02-01

Speaker device capable of restraining polarization, method for adjusting diaphragm balance position, and method for adjusting diaphragm compliance performance

 #119
20180002167
2018-01-04

Micromechanical structure and method for manufacturing the same

 #120
20170374483
2017-12-28

Integrated voice coil and cone assembly and method of making same

 #121
20170374468
2017-12-28

Vibrating diaphragm assembly

 #122
20170374440
2017-12-28

Speaker panel

 #123
20170238110
2017-08-17

Silica gel vibrating diaphragm and method for fabricating the same

 #124
20170238107
2017-08-17

MEMS microphone, apparatus comprising a MEMS microphone and method for fabricating a MEMS microphone

 #125
20170238098
2017-08-17

Diaphragm of sounding apparatus

 #126
20170195797
2017-07-06

PLANAR LOUDSPEAKER MEMBRANE FOR WIDE FREQUENCY RANGE SOUND REPRODUCTION AND SPEAKER UTILIZING SAME

 #127
20170155993
2017-06-01

Wireless Earpieces Utilizing Graphene Based Microphones and Speakers

 #128
20170094414
2017-03-30

Stiffening plate for acoustic membrane and method of manufacturing same

 #129
20170041716
2017-02-09

System and method for a multi-electrode MEMS device

 #130
20170026753
2017-01-26

Devices and methods for a high performance electromagnetic speaker based on monolayers

 #131
20170006381
2017-01-05

Micro-electromechanical sound transducer with sound energy-reflecting interlayer

 #132
20160360321
2016-12-08

MEMS-based structure for pico speaker

 #133
20160309261
2016-10-20

Housing of electronic device and speaker

 #134
20160309260
2016-10-20

Multi-layer laminate with high internal damping

 #135
20160295338
2016-10-06

MICROPHONE DIAPHRAGM

 #136
20160295329
2016-10-06

Loudspeaker diaphragm and manufacturing method thereof

 #137
20160234618
2016-08-11

Loudspeaker and mobile device equipped with the same

 #138
20160212516
2016-07-21

Exterior cover with speaker

 #139
20160212513
2016-07-21

Loudspeaker and mobile device incorporating same

 #140
20160209926
2016-07-21

Tactile sense presentation device

 #141
20160205476
2016-07-14

Vibrating panel device for electromagnetic vibrator and manufacture method thereof

 #142
20160205470
2016-07-14

CONDENSER MICROPHONE UNIT AND CONDENSER MICROPHONE

 #143
20160192079
2016-06-30

ROTARY FLUX ACOUSTIC TRANSDUCER

 #144
20160167946
2016-06-16

MEMS device and process

 #145
20160165351
2016-06-09

Diaphragm And Speaker Using Same

 #146
20160112803
2016-04-21

MEMS microphone element

 #147
20160112802
2016-04-21

MICROPHONE AND METHOD OF MANUFACTURING THE SAME

 #148
20160112801
2016-04-21

MICROPHONE AND METHOD OF MANUFACTURING THE SAME

 #149
20160094155
2016-03-31

Plate, transducer and methods for making and operating a transducer

 #150
20160066095
2016-03-03

Embedded Dielectric As A Barrier In An Acoustic Device And Method Of Manufacture

 #151
20160060101
2016-03-03

Integrated CMOS/MEMS microphone die components

 #152
20160052246
2016-02-25

Composite for production of an acoustic membrane and acoustic membrane

 #153
20160037262
2016-02-04

Vibrating body for speaker device and speaker device

 #154
20150381078
2015-12-31

MEMS device and method for manufacturing the MEMS device

 #155
20150365746
2015-12-17

Flat panel loudspeaker system and method of making

 #156
20150310848
2015-10-29

Method for manufacturing compound diaphragm

 #157
20150303024
2015-10-22

Corrosion-resistant, strong x-ray window

 #158
20150201281
2015-07-16

Acoustic generator, acoustic generation device, and electronic device

 #159
20150201280
2015-07-16

Method of manufacturing speaker with diaphragm arrangement

 #160
20150201257
2015-07-16

Panel-form loudspeaker

 #161
20150195655
2015-07-09

Moving coil module comprising a substrate patterned with a conductor trace

 #162
20150131823
2015-05-14

Plane-type speaker and AV apparatus

 #163
20150125692
2015-05-07

Asymmetrical multi-layered membrane for electroacoustic transducers

 #164
20150086047
2015-03-26

Electronic apparatus, panel unit, and unit for electronic apparatus

 #165
20150054779
2015-02-26

Electronic apparatus and panel unit

 #166
20150016639
2015-01-15

Miniature speaker

 #167
20150009425
2015-01-08

Display panel and display device having the same

 #168
20150003639
2015-01-01

Flat panel loudspeaker system

 #169
20140355813
2014-12-04

Speaker with diaphragm arrangement

 #170
20140341403
2014-11-20

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

 #171
20140319968
2014-10-30

Piezoelectric sound-generating body and electronic device using the same

 #172
20140284135
2014-09-25

Diaphragm and speaker using same

 #173
20140254849
2014-09-11

Waterproof sound transmitting member

 #174
20140233769
2014-08-21

Diaphragm arrangement for generating sound

 #175
20140161303
2014-06-12

Flat-type speaker having plurality of magnetic circuits which are horizontally connected

 #176
20140137658
2014-05-22

Microphone package

 #177
20140133690
2014-05-15

Vibrating element

 #178
20140083797
2014-03-27

Compound membrane and acoustic device using same

 #179
20140079255
2014-03-20

Plane-type speaker and AV apparatus

 #180
20140064525
2014-03-06

Vibrating panel device for electromagnetic vibrator and its manufacture method

 #181
20140056449
2014-02-27

STACKED PIEZOELECTRIC SPEAKER DEVICE

 #182
20140037128
2014-02-06

Device for emitting an acoustic wave

 #183
20140029784
2014-01-30

Suspension for a sound transducer

 #184
20130258301
2013-10-03

Test structures and methods

 #185
20130257218
2013-10-03

Plate, transducer and methods for making and operating a transducer

 #186
20130044906
2013-02-21

Electret loudspeaker device

 #187
20130043769
2013-02-21

Oscillator

 #188
20120308053
2012-12-06

Plate, transducer and methods for making and operating a transducer

 #189
20120250908
2012-10-04

Thermoacoustic device

 #190
20120188690
2012-07-26

Waterproof structure for electronic device

 #191
20120186903
2012-07-26

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

 #192
20120163638
2012-06-28

Piezoelectric sound component

 #193
20120093353
2012-04-19

Micro speaker

 #194
20110299716
2011-12-08

Flat diaphragm loudspeaker

 #195
20110272208
2011-11-10

Compound membrane and acoustic device using same

 #196
20110255719
2011-10-20

Electroacoustic apparatus with optical energy conversion function

 #197
20110211722
2011-09-01

Acoustic device & method of making acoustic device

 #198
20110169349
2011-07-14

Electromagnetic vibrator and producing method thereof

 #199
20110123060
2011-05-26

VIBRATOR OF AN ELECTRO-ACOUSTIC TRANSDUCER

 #200
20100288579
2010-11-18

Membrane having a multipart structure

 #201
20100278371
2010-11-04

Electroacoustic transducer

 #202
20100272309
2010-10-28

Electrostatic speaker systems and methods

 #203
20100239964
2010-09-23

Test structures and methods

 #204
20100224437
2010-09-09

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

 #205
20100155864
2010-06-24

MEMS process and device

 #206
20100135519
2010-06-03

LOUDSPEAKER MADE FROM FILMS

 #207
20100111351
2010-05-06

Sound generator

 #208
20100101703
2010-04-29

Method for manufacturing electret diaphragm

 #209
20100046773
2010-02-25

ACOUSTIC DEVICE AND METHOD OF MANUFACTURING THE SAME

 #210
20100040246
2010-02-18

Compound membrane, method of manufacturing the same, and acoustic device

 #211
20090278217
2009-11-12

MEMS device

 #212
20090200546
2009-08-13

Test structures and methods

 #213
20090129624
2009-05-21

Acoustic diaphragm

 #214
20090041270
2009-02-12

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

 #215
20090026007
2009-01-29

LOUDSPEAKER WITH AN ACOUSTIC MEMBER

 #216
20080019544
2008-01-24

Piezoelectric speaker and method for manufacturing the same

 #217
20070296303
2007-12-27

Acoustic transducers having localized ferroelectric domain inverted regions

 #218
20070284682
2007-12-13

MEMS process and device

 #219
20070278033
2007-12-06

Acoustic device and method of making acoustic device

 #220
20070202917
2007-08-30

Display and speaker module

 #221
20070178242
2007-08-02

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

 #222
20070137820
2007-06-21

Waterproof vibration plate for speaker

 #223
20070132131
2007-06-14

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

 #224
20070042185
2007-02-22

Diamond diaphragm

 #225
20060266577
2006-11-30

Speaker diaphragm and speaker structure

 #226
20060222202
2006-10-05

Acoustic vibratory plate

 #227
20060218763
2006-10-05

Method of making an acoustic assembly for a transducer

 #228
20060215874
2006-09-28

Acoustic assembly for a transducer

 #229
20060193488
2006-08-31

Diaphragm and speaker

 #230
20060159293
2006-07-20

Acoustic device

 #231
20060104473
2006-05-18

Loudspeaker diaphragm systems

 #232
20060093171
2006-05-04

Silicon microphone with softly constrained diaphragm

 #233
20060018487
2006-01-26

Transducer for sensing body sounds

 #234
20060008111
2006-01-12

Acoustic diaphragm

 #235
20050211499
2005-09-29

Loudspeaker diaphragm

 #236
20050157900
2005-07-21

Acoustic passive radiator rocking mode reducing

 #237
20050147274
2005-07-07

Acoustic device

 #238
20050147273
2005-07-07

Acoustic device

 #239
20050041828
2005-02-24

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

 #240
20050031153
2005-02-10

Low-profile transducer

 #241
18116451
2023-09-12

Headphone and headset comprising the same