ClassID:

231969

H04R7/00 - CPC Classification

Classification description:

Diaphragms for electromechanical transducers ; Cones

Sub-classes:
Recent Application in this class:
#1
20240151576
2024-05-09

VIBRATION SENSOR AND ELECTRONIC EQUIPMENT

#2
20230036176
2023-02-02

Electronic device having plurality of acoustic ducts

#3
20220417667
2022-12-29

Backplate for recording microphone, and recording microphone

#4
20220410082
2022-12-29

ACOUSTIC COMPOSITE INCLUDING A STIFFENING POLYMER, DEVICES, AND ASSEMBLIES INCLUDING THE SAME

#5
20220360903
2022-11-10

Double sided speaker device

#6
20220182746
2022-06-09

Speaker unit and earphone

#7
20210152943
2021-05-20

Sound producing structure and terminal

#8
20210120336
2021-04-22

Apparatus and method for modifying a loudspeaker signal for preventing diaphragm over-deflection

#9
20200413198
2020-12-31

BONE CONDUCTION MEMS MICROPHONE

#10
20200260192
2020-08-13

MEMS microphone

#11
20200258491
2020-08-13

Vehicle and method of controlling the same

#12
20200169819
2020-05-28

Sound transducer structure and method for manufacturing a sound transducer structure

#13
20190230439
2019-07-25

Vibration diaphragm in MEMS microphone and MEMS microphone

#14
20190096558
2019-03-28

Electronic component, diaphragm, and electronic device

#15
20180103325
2018-04-12

Sound transducer structure and method for manufacturing a sound transducer structure

#16
20180067005
2018-03-08

Pressure sensor, acoustic microphone, blood pressure sensor, and touch panel

#17
20170102276
2017-04-13

Pressure sensor, acoustic microphone, blood pressure sensor, and touch panel

#18
20170034634
2017-02-02

Sound transducer structure and method for manufacturing a sound transducer structure

#19
20160378142
2016-12-29

Liquid-resistant acoustic device gasket and membrane assemblies

#20
20160209926
2016-07-21

Tactile sense presentation device

#21
20160142823
2016-05-19

Membrane and method for producing diaphragm, and composite diaphragm

#22
20160021442
2016-01-21

Micro-speaker

#23
20160021441
2016-01-21

Micro-speaker

#24
20160021440
2016-01-21

Miniature speaker

#25
20160014519
2016-01-14

Electro acoustic diaphragm

#26
20160007119
2016-01-07

Diaphragm Stiffener

#27
20150373435
2015-12-24

COAXIAL AUDIO SPEAKER USING SINGLE AUDIO SOURCE

#28
20150319531
2015-11-05

Transducer suspension elements with built-in tinsel wire

#29
20150304776
2015-10-22

Audio transducer with electrostatic discharge protection

#30
20150304767
2015-10-22

Waterproof sound-transmitting membrane, waterproof sound-transmitting member including same, electronic device, electronic device case, and waterproof sound-transmitting structure

#31
20150296302
2015-10-15

LOUDSPEAKER WITH COMPLIANTLY COUPLED LOW-FREQUENCY AND HIGH-FREQUENCY SECTIONS

#32
20150281844
2015-10-01

Acoustic device with passive radiators

#33
20150281843
2015-10-01

DIAPHRAGM SURROUND MANUFACTURING METHOD AND DIAPHRAGM APPLICABLE THERETO

#34
20150264464
2015-09-17

Capacitance-type transducer

#35
20150256936
2015-09-10

Levered loudspeakers

#36
20150256935
2015-09-10

Levered loudspeakers

#37
20150146910
2015-05-28

Electroacoustic driver

#38
20150124992
2015-05-07

Dynamic headphone unit and method of producing dynamic headphone unit

#39
20150110305
2015-04-23

Electroacoustic transducer

#40
20150110304
2015-04-23

Electroacoustic transducer

#41
20150098592
2015-04-09

Electrodynamic acoustic transducer, condenser microphone and condenser headphones

#42
20150098586
2015-04-09

In-car audio system

#43
20150078565
2015-03-19

Dual-diaphragm microphone module to reduce vibration noise

#44
20150071483
2015-03-12

Energy converter, speaker, and method of manufacturing energy converter

#45
20150063608
2015-03-05

Capacitive MEMS element including a pressure-sensitive diaphragm

#46
20140341403
2014-11-20

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

#47
20140291787
2014-10-02

Structure of MEMS electroacoustic transducer

#48
20140262599
2014-09-18

Acoustic transducers

#49
20140169594
2014-06-19

MEMS component for generating pressure pulses

#50
20140093106
2014-04-03

Diaphragm

#51
20140079277
2014-03-20

Sound transducer structure and method for manufacturing a sound transducer structure

#52
20130170109
2013-07-04

Mesh structure providing enhanced acoustic coupling

#53
20130051604
2013-02-28

SPEAKER

#54
20120186903
2012-07-26

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

#55
20110170735
2011-07-14

Sound transducer structure and method for manufacturing a sound transducer structure

#56
20110075881
2011-03-31

Diaphragm and loudspeaker using the same

#57
20110042846
2011-02-24

Diaphragms made of cast polyarylate films

#58
20100224437
2010-09-09

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

#59
20100074458
2010-03-25

Structure of MEMS electroacoustic transducer and fabricating method thereof

#60
20080104825
2008-05-08

Sound transducer structure and method for manufacturing a sound transducer structure

#61
20070237350
2007-10-11

Dynamic loudspeaker

#62
20070086616
2007-04-19

Resonant element transducer

#63
20070072953
2007-03-29

Diaphragm for speaker and manufacturing method thereof

#64
20070030995
2007-02-08

Loudspeaker with natural hair leather diaphragm

#65
20060269094
2006-11-30

Speaker

#66
20060237257
2006-10-26

Frame for speaker device and speaker device

#67
20060207340
2006-09-21

Electromechanical force transducer

#68
20060090955
2006-05-04

Microphone diaphragms defined by logarithmic curves and microphones for use therewith

#69
20060029249
2006-02-09

Loudspeaker with hair leather diaphragm

#70
20060023902
2006-02-02

Compliant diaphragm for planar magnetic transducers

#71
20050221106
2005-10-06

Membranes made of cast polyarylate film