Patents-Review.com
ClassID:

231977 ⎘

H04R7/122 - 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

Sub-classes:
Recent Application in this class:
#1
20260129367
2026-05-07

DIAPHRAGMS, AIR CONDUCTION SPEAKERS, AND WEARABLE ELECTRONIC DEVICES

 #2
20250358579
2025-11-20

PROCESS FOR PRODUCING A PLURALITY OF MEMS TRANSDUCERS WITH ELEVATED PERFORMANCE CAPABILITY

 #3
20250301257
2025-09-25

Integrated Sounding Device

 #4
20250240574
2025-07-24

DIAPHRAGM AND SPEAKER UNIT

 #5
20250240573
2025-07-24

LOUDSPEAKER

 #6
20250220359
2025-07-03

MEMS MICROPHONE AND ELECTRONIC DEVICE

 #7
20250203259
2025-06-19

SPEAKER

 #8
20250159410
2025-05-15

ELECTROACOUSTIC TRANSDUCER AND HEADPHONE

 #9
20250080914
2025-03-06

DIAPHRAGM AND ELECTROACOUSTIC TRANSDUCER

 #10
20240334115
2024-10-03

SYSTEMS AND METHODS FOR IMPROVED ACOUSTO-HAPTIC SPEAKERS

 #11
20240323611
2024-09-26

LOUDSPEAKER

 #12
20240323610
2024-09-26

SPEAKER UNIT AND SPEAKER CURVED DIAPHRAGM

 #13
20240298106
2024-09-05

DUAL-CONE SMALL SPEAKER

 #14
20240259733
2024-08-01

VIBRATION COMPONENTS AND LOUDSPEAKERS

 #15
20240196146
2024-06-13

VARIABLE STIFFNESS DIAPHRAGM FOR A PLAYBACK DEVICE

 #16
20240098424
2024-03-21

Speaker

 #17
20230345179
2023-10-26

Sub cone and loudspeaker

 #18
20230336918
2023-10-19

MULTI-CONE SPEAKER

 #19
20220369037
2022-11-17

DIAPHRAGM FOR SOUND GENERATING DEVICE AND SOUND GENERATING DEVICE

 #20
20220312101
2022-09-29

EARPHONE

 #21
20220182764
2022-06-09

Loudspeaker Diaphragms with Embedded Visual Elements and Methods of Manufacture

 #22
20210384602
2021-12-09

Metamaterial loudspeaker diaphragm

 #23
20210297785
2021-09-23

Speaker unit and speaker device

 #24
20210258693
2021-08-19

Speaker diaphragm

 #25
20210058707
2021-02-25

Diaphragm for use in audio transducer and method of manufacturing diaphragm

 #26
20210037320
2021-02-04

MEMS microphone

 #27
20200213795
2020-07-02

Dome material, diaphragm and speaker

 #28
20200124272
2020-04-23

Luminaire system with integrated, dynamic audio visual control

 #29
20200124271
2020-04-23

Luminaire system with trim component and integrated user experience elements

 #30
20200124270
2020-04-23

Luminaire with an integrated speaker

 #31
20200053467
2020-02-13

SPEAKER

 #32
20200045454
2020-02-06

Voice coil, method for winding voice coil, and speaker having voice coil

 #33
20200045453
2020-02-06

Speaker assembly

 #34
20200045434
2020-02-06

Micro sound device

 #35
20200015016
2020-01-09

Acoustic diaphragm including graphene and acoustic device employing the same

 #36
20190373369
2019-12-05

Diaphragm for producing sound and speaker using same

 #37
20190342669
2019-11-07

Symmetrical dual-edge loudspeaker

 #38
20190289386
2019-09-19

Pneumatic tweeter unit having improved sound diaphragm and structure

 #39
20190208325
2019-07-04

Miniature speaker

 #40
20190191251
2019-06-20

DIAPHRAGM AND ELECTROACOUSTIC TRANSDUCER

 #41
20190166445
2019-05-30

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

 #42
20190149924
2019-05-16

Diaphragm and miniature speaker comprising same

 #43
20190141451
2019-05-09

Acoustic apparatus with diaphragm supported at a discrete number of locations

 #44
20190098415
2019-03-28

Evacuation of liquid from acoustic space

 #45
20190052971
2019-02-14

Acoustic transducer with vibration damping

 #46
20180367906
2018-12-20

Vibration diaphragm

 #47
20180355486
2018-12-13

Multilayer composition and process of making

 #48
20180324527
2018-11-08

Diaphragm assembly, transducer and method of manufacture

 #49
20180302719
2018-10-18

CARBON FIBER DOME AND METHOD FOR MANUFACTURING THE SAME

 #50
20180262840
2018-09-13

Evacuation of liquid from acoustic space

 #51
20180220226
2018-08-02

Acoustic apparatus

 #52
20180152800
2018-05-31

Speaker device

 #53
20180139540
2018-05-17

DEEP-DRAWN FOIL-BASED MINIATURE DIAPHRAGM ASSEMBLY

 #54
20180054678
2018-02-22

Temperature stable membrane plate structure for a loudspeaker

 #55
20180054677
2018-02-22

Temperature stable membrane plate structure for a loudspeaker

 #56
20170374469
2017-12-28

Acoustic apparatus with diaphragm supported at a discrete number of locations

 #57
20170366902
2017-12-21

Electroacoustic transducer and electroacoustic transduction system

 #58
20170359647
2017-12-14

Two-way speaker device having diaphragm of second speaker unit inside voice coil bobbin of first speaker unit

 #59
20170230751
2017-08-10

Interaction method, interaction apparatus, and user equipment

 #60
20170215007
2017-07-27

Electroacoustic transducer

 #61
20170195796
2017-07-06

Microspeaker with improved high frequency extension

 #62
20170180871
2017-06-22

Condenser microphone unit and condenser microphone

 #63
20170156007
2017-06-01

Diaphragms for lousdspeaker drive units

 #64
20170142525
2017-05-18

System and method for a perpendicular electrode transducer

 #65
20170055082
2017-02-23

SPEAKER

 #66
20170013379
2017-01-12

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

 #67
20160381460
2016-12-29

NOVEL DIAPHRAGM AND A HEADPHONE DRIVER MADE THEREWITH

 #68
20160277840
2016-09-22

RING SHAPED MEMBRANE FOR AN ELECTRO-ACOUSTICAL LOUDSPEAKER

 #69
20160227323
2016-08-04

Receiver Having Diaphragm with Improved Rigidity

 #70
20160205477
2016-07-14

Loudspeaker, electronic apparatus using same, and mobile apparatus

 #71
20160192087
2016-06-30

Hybrid receiver module

 #72
20160105748
2016-04-14

Acoustic apparatus with diaphragm supported at a discrete number of locations

 #73
20160066096
2016-03-03

ACOUSTIC TRANSDUCER

 #74
20160044419
2016-02-11

Energy conversion apparatus and speaker structure

 #75
20160029128
2016-01-28

Sound producing system

 #76
20160014520
2016-01-14

SPEAKER DIAPHRAGM

 #77
20150350791
2015-12-03

Vibrating element

 #78
20150296301
2015-10-15

Wide-range, wide-angle loudspeaker driver

 #79
20150256938
2015-09-10

Diaphragms for loudspeaker drive units

 #80
20150245123
2015-08-27

Capacitance type sensor, acoustic sensor, and microphone

 #81
20150172819
2015-06-18

Acoustic metal diaphragm

 #82
20140241567
2014-08-28

Audio speaker with sandwich-structured composite diaphragm

 #83
20140241566
2014-08-28

Inner magnet type microspeaker

 #84
20140158456
2014-06-12

Coated speaker dome and coated diamond products

 #85
20130233640
2013-09-12

Loudspeaker that is axially stabilized out of the diaphragm suspension plane

 #86
20120321124
2012-12-20

DIAPHRAGM AND MICRO-ELECTROACOUSTIC DEVICE INCORPORATING THE SAME

 #87
20120281870
2012-11-08

Non-directional transducer

 #88
20120281861
2012-11-08

VIBRATION DIAPHRAGM AND SPEAKER WITH A VIBRATION DIAPHRAGM

 #89
20120269379
2012-10-25

DIAPHRAGM USED IN A LOUDSPEAKER AND A LOUDSPEAKER

 #90
20120257781
2012-10-11

Speaker diaphragm, speaker dust cap, speaker frame, speaker using said parts, and electronic equipment and device using said speaker

 #91
20120195457
2012-08-02

Slimline speaker

 #92
20120181105
2012-07-19

Ring shaped membrane for an electro-acoustical loudspeaker

 #93
20120155698
2012-06-21

Cone loudspeaker

 #94
20120002838
2012-01-05

Flat subwoofer

 #95
20110222721
2011-09-15

CONNECTING MEMBER FOR SPEAKER AND SPEAKER

 #96
20110155502
2011-06-30

Ring shaped membrane for an electro-acoustical loudspeaker

 #97
20110064261
2011-03-17

Speaker

 #98
20110031061
2011-02-10

Electroacoustic transducer

 #99
20110026759
2011-02-03

Ring shaped membrane for an electro-acoustical loudspeaker

 #100
20100310110
2010-12-09

Diaphragm and micro-electroacoustic device incorporating the same

 #101
20100290660
2010-11-18

VIBRATION PICKUP MICROPHONE

 #102
20100215208
2010-08-26

Voice coil assembly and loudspeaker using the same

 #103
20100208934
2010-08-19

SPEAKER DEVICE

 #104
20100111334
2010-05-06

SPEAKER AND ELECTRONIC APPARATUS USING THE SAME

 #105
20100092023
2010-04-15

Speaker motor and speaker

 #106
20090262972
2009-10-22

SPEAKER AND DEVICE USING THIS SPEAKER

 #107
20090129624
2009-05-21

Acoustic diaphragm

 #108
20090014233
2009-01-15

Diaphragm, spherical-shell diaphragm and electroacoustic transducer, and method of manufacturing electroacoustic transducer

 #109
20080260186
2008-10-23

Speaker

 #110
20080118098
2008-05-22

Ultra low frequency transducer and loud speaker comprising same

 #111
20070280500
2007-12-06

Loudspeaker

 #112
20070154038
2007-07-05

Non-directional transducer

 #113
20070148353
2007-06-28

Ink for screen printing, method for producing same, and method for manufacturing edge and damper of speaker using same

 #114
20070125591
2007-06-07

Audio speaker with wobble free voice coil movement

 #115
20070092101
2007-04-26

Method and apparatus for controlling material vibration modes in polymer and paper high performance speaker diaphragms

 #116
20070042185
2007-02-22

Diamond diaphragm

 #117
20070041607
2007-02-22

Speaker vibrating parts

 #118
20060256996
2006-11-16

Loudspeaker having a composite diaphragm structure

 #119
20060249327
2006-11-09

Vibration system part for speaker device and manufacturing method thereof

 #120
20060191742
2006-08-31

Diaphragm, spherical-shell diaphragm and electroacoustic transducer, and method of manufacturing electroacoustic transducer

 #121
20060088180
2006-04-27

Speaker device

 #122
20060018487
2006-01-26

Transducer for sensing body sounds

 #123
20060008111
2006-01-12

Acoustic diaphragm

 #124
20050207612
2005-09-22

Loudspeaker with a first and a second diaphragm body

 #125
18445073
2024-02-20

Radially arcuated unistructural speaker cone with segmented dome