H04R2207/00 - CPC Classification Index

ClassID:

232132 ⎘

H04R2207/00 - CPC Classification

Classification description:

Details of diaphragms or cones for electromechanical transducers or their suspension covered by but not provided for in or in

Sub-classes:

H04R2207/021 » Diaphragm extensions, not necessarily integrally formed, e.g. skirts, rims, flanges 75

Recent Application in this class:

20250193606

2025-06-12

RUBBER VOICE DIAPHRAGM, ACOUSTIC GENERATOR AND APPLICATION THEREOF

20240056738

2024-02-15

SPEAKER

20230353946

2023-11-02

LOUDSPEAKER

20190058953

2019-02-21

Diaphragm suspension for a loudspeaker

20180343515

2018-11-29

Receiver with venting opening

20180160246

2018-06-07

Antenna using conductor and electronic device therefor

20180109878

2018-04-19

Loudspeaker motor and suspension system

20180041838

2018-02-08

Diaphragm assembly and loudspeaker having same

20170280236

2017-09-28

Hydrophobic and oleophobic membrane, and waterproof sound device using same

#10

20170150274

2017-05-25

Speaker device

#11

20170142525

2017-05-18

System and method for a perpendicular electrode transducer

#12

20160381462

2016-12-29

Speaker

#13

20160234603

2016-08-11

Loudspeaker having electrically conductive membrane transducers

#14

20160227322

2016-08-04

Speaker box

#15

20160198265

2016-07-07

Ribbon support system for electrodynamic microphone

#16

20160044418

2016-02-11

Loudspeaker diaphragm

#17

20150304776

2015-10-22

Audio transducer with electrostatic discharge protection

#18

20150281844

2015-10-01

Acoustic device with passive radiators

#19

20150281843

2015-10-01

DIAPHRAGM SURROUND MANUFACTURING METHOD AND DIAPHRAGM APPLICABLE THERETO

#20

20150256935

2015-09-10

Levered loudspeakers

#21

20150256913

2015-09-10

MEMS sensor structure for sensing pressure waves and a change in ambient pressure

#22

20150201280

2015-07-16

Method of manufacturing speaker with diaphragm arrangement

#23

20150146910

2015-05-28

Electroacoustic driver

#24

20150110305

2015-04-23

Electroacoustic transducer

#25

20150110304

2015-04-23

Electroacoustic transducer

#26

20150098606

2015-04-09

Electrostatic electroacoustic transducer and method of manufacturing the same

#27

20150003658

2015-01-01

Speaker device

#28

20140369547

2014-12-18

SUSPENSION MEMBER WITH INTEGRATED SEALING MEMBER

#29

20140348369

2014-11-27

Decoupled drive unit for a loudspeaker enclosure

#30

20140348349

2014-11-27

Speaker device

#31

20140341403

2014-11-20

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

#32

20140299948

2014-10-09

Silicon based MEMS microphone, a system and a package with the same

#33

20120186903

2012-07-26

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

#34

20100224437

2010-09-09

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