ClassID:

232177

H04R2307/025 - page 2 - CPC Classification

Classification description:

Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by or , not provided for in any of its subgroups Diaphragms comprising polymeric materials

Recent Application in this class:
#301
20100206659
2010-08-19

Diaphragm for speaker, speaker using the diaphragm for speaker, and process for producing the diaphragm for speaker

#302
20100172533
2010-07-08

Diaphragm for speaker, speaker using the diaphragm, and system using the speaker

#303
20100059309
2010-03-11

Diaphragm for speaker, frame for speaker, dust cap for speaker, speaker and apparatus using them, and method for manufacturing component for speaker

#304
20090304225
2009-12-10

Diaphragm including a first vibrating part of a dome shape or flat shape and a second vibrating part of an annular shape and a loudspeaker using the diaphragm

#305
20090242320
2009-10-01

Waterproofing loudspeaker cones

#306
20090169047
2009-07-02

Speaker

#307
20090129624
2009-05-21

Acoustic diaphragm

#308
20090080687
2009-03-26

Speaker diaphragm, speaker dust cap, speaker sub-cone, speaker using these components, and electronic apparatus using the same

#309
20090041291
2009-02-12

Speaker diaphragm and electrodynamic loudspeaker using the same

#310
20090028368
2009-01-29

Diaphragm and sound output apparatus

#311
20080285778
2008-11-20

Screen-Integrated Speaker

#312
20080260188
2008-10-23

Acoustic Diaphragm and Speaker Having the Same

#313
20080257638
2008-10-23

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

#314
20080080736
2008-04-03

Loudspeaker bobbin interconnection assembly

#315
20080008346
2008-01-10

Dynamic reflection 4pi steradian omni directional tweeter

#316
20070286448
2007-12-13

Electroacoustic transducer diaphragm

#317
20070283677
2007-12-13

Diaphragm Structure

#318
20070237350
2007-10-11

Dynamic loudspeaker

#319
20070235251
2007-10-11

Speaker diaphragm and speaker

#320
20070190881
2007-08-16

Woven or knitted fabric, diaphragm for speaker, and speaker

#321
20070187171
2007-08-16

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

#322
20070154057
2007-07-05

Speaker device

#323
20070131478
2007-06-14

Speaker, speaker-use diaphragm, dust cap, production methods and production devices for them

#324
20070123676
2007-05-31

Acoustic material and method for making the same

#325
20070092101
2007-04-26

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

#326
20070071276
2007-03-29

Diaphragm for speaker

#327
20060281381
2006-12-14

Speaker member and method for manufacturing the same

#328
20060266578
2006-11-30

Speaker diaphragm and method for manufacturing the same

#329
20060266577
2006-11-30

Speaker diaphragm and speaker structure

#330
20060249327
2006-11-09

Vibration system part for speaker device and manufacturing method thereof

#331
20060193488
2006-08-31

Diaphragm and speaker

#332
20060147081
2006-07-06

Loudspeaker plastic cone body

#333
20060137935
2006-06-29

Diaphragms for loudspeaker drive units

#334
20060062422
2006-03-23

Speaker diaphragm and speaker using the same

#335
20060013417
2006-01-19

Acoustical panel assembly

#336
20060008111
2006-01-12

Acoustic diaphragm

#337
20050232458
2005-10-20

Speaker-use diaphragm and speaker

#338
20050232457
2005-10-20

Speaker-use diaphragm and speaker

#339
20050211499
2005-09-29

Loudspeaker diaphragm

#340
20050178516
2005-08-18

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

#341
20050051380
2005-03-10

Speaker diaphragm and speaker using the diaphram

#342
20050041830
2005-02-24

Loudspeaker

#343
19248541
2026-01-06

Composite material for acoustic transducer diaphragm

#344
16423838
2020-05-05

Surface treatments for silicone acoustic diaphragms

#345
14994449
2016-11-15

Analog area speaker panel with precision placement and direction of audio radiation