ClassID:

231909

H04R1/26 - page 2 - CPC Classification

Classification description:

Details of transducers, loudspeakers or microphones; Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only Spatial arrangements of separate transducers responsive to two or more frequency ranges

Recent Application in this class:
#301
20180192172
2018-07-05

Electronic device

#302
20180184182
2018-06-28

Sound bar apparatus having detachable sound transducer

#303
20180167722
2018-06-14

Loudspeaker system with directivity

#304
20180167719
2018-06-14

SPEAKER

#305
20180146281
2018-05-24

Loudspeaker, loudspeaker driver and loudspeaker design process

#306
20180132034
2018-05-10

CONTROLLED ARRAY LOUDSPEAKER

#307
20180115847
2018-04-26

Mobile terminal with at least two transducers

#308
20180103315
2018-04-12

Baffle for line array loudspeaker

#309
20180098140
2018-04-05

Speaker grill with graduated hole sizing over a transition area for a media device

#310
20180091901
2018-03-29

User interface cooling using audio component

#311
20180091894
2018-03-29

Airflow exit geometry

#312
20180091891
2018-03-29

Loudspeaker assembly

#313
20180091888
2018-03-29

Speaker back volume extending past a speaker diaphragm

#314
20180091879
2018-03-29

Annular support structure

#315
20180091878
2018-03-29

Subwoofer with multi-lobe magnet

#316
20180087767
2018-03-29

Illuminated user interface architecture

#317
20180084335
2018-03-22

Loudspeaker system with transducer array

#318
20180077485
2018-03-15

Loudspeaker system

#319
20180070167
2018-03-08

Wideband slot-loading loudspeaker

#320
20180027348
2018-01-25

Method and apparatus for evaluating audio device, audio device and speaker device

#321
20180027319
2018-01-25

Earphone with expanding speaker device

#322
20180020290
2018-01-18

Vehicle speaker arrangement

#323
20180014096
2018-01-11

Electroacoustic transducer

#324
20180007466
2018-01-04

LOUDSPEAKER ARRANGEMENT FOR THREE-DIMENSIONAL SOUND REPRODUCTION IN CARS

#325
20170366895
2017-12-21

SPEAKER SYSTEM WHICH COMPRISES SPEAKER DRIVER GROUPS

#326
20170366893
2017-12-21

Headphone device

#327
20170359653
2017-12-14

Audio architecture for a portable speaker system

#328
20170353786
2017-12-07

Baffle for line array loudspeaker

#329
20170353778
2017-12-07

Vibrotactile music perception wearable

#330
20170332166
2017-11-16

Speaker apparatus

#331
20170325019
2017-11-09

Waveguide for a height channel in a speaker

#332
20170318372
2017-11-02

Malleable earpiece for electronic devices

#333
20170311077
2017-10-26

Audio signal correction and calibration for a room environment

#334
20170289694
2017-10-05

Panel vibration type sound generating actuator and double-faced display device including same

#335
20170289673
2017-10-05

Loudspeaker with reduced audio coloration caused by reflections from a surface

#336
20170280246
2017-09-28

Panel vibration type display device for generating sound

#337
20170280243
2017-09-28

Panel vibration type sound generating display device

#338
20170280231
2017-09-28

Loudspeaker with reduced audio coloration caused by reflections from a surface

#339
20170280217
2017-09-28

Display device for generating sound by vibrating panel

#340
20170280216
2017-09-28

Panel vibration type sound generating display device

#341
20170280215
2017-09-28

Actuator fixing device and panel vibration type sound-generating display device including the same

#342
20170265281
2017-09-14

Reproduction device and reproduction method

#343
20170245048
2017-08-24

Transducer assembly with acoustic mass

#344
20170245044
2017-08-24

Ambient sonic low-pressure equalization

#345
20170245042
2017-08-24

Speakers and headphones related to vibrations in an audio system, and methods for operating same

#346
20170238085
2017-08-17

In-ear monitor

#347
20170223447
2017-08-03

Multi-driver acoustic horn for horizontal beam control

#348
20170214999
2017-07-27

Headphone

#349
20170214993
2017-07-27

Headphone

#350
20170208392
2017-07-20

Passive and active virtual height filter systems for upward firing drivers

#351
20170206878
2017-07-20

Device case, connector, and electronic musical instrument

#352
20170201823
2017-07-13

Headphone

#353
20170195792
2017-07-06

Loudspeaker with optional extender for production of high-frequency audio

#354
20170180836
2017-06-22

Loudspeaker and microphone device

#355
20170164081
2017-06-08

Display system

#356
20170164079
2017-06-08

SOUNDBOX

#357
20170150251
2017-05-25

Speaker assemblies with wide dispersion patterns

#358
20170136354
2017-05-18

Vibrating apparatus and vibrating method

#359
20170134859
2017-05-11

Woofer assembly with one woofer configured to provide mid-range audio frequencies

#360
20170127211
2017-05-04

Audio speakers having upward firing drivers for reflected sound rendering

#361
20170099542
2017-04-06

Vibration damping and mounting assembly for a loudspeaker

#362
20170094386
2017-03-30

In-ear headphone

#363
20170088266
2017-03-30

Loudspeaker system

#364
20170085981
2017-03-23

Active acoustic meta material loudspeaker system and the process to make the same

#365
20170078796
2017-03-16

Playback based on received sound waves

#366
20170064436
2017-03-02

Headphone

#367
20170055064
2017-02-23

Sound output apparatus

#368
20170048610
2017-02-16

Coaxial loudspeaker apparatus

#369
20170013349
2017-01-12

Audio system with removable speaker

#370
20170006374
2017-01-05

Omnidirectional speaker

#371
20160353205
2016-12-01

Loudspeaker transducer arrangement for directivity control

#372
20160345083
2016-11-24

Compact electroacoustic transducer and loudspeaker system and method of use thereof

#373
20160337755
2016-11-17

SURROUND SPEAKER

#374
20160337749
2016-11-17

Low diffraction tweeter housing

#375
20160332583
2016-11-17

Acoustic enclosure for motor vehicle

#376
20160330542
2016-11-10

Customization earphone structure and detachable audio broadcasting module thereof

#377
20160323670
2016-11-03

Multiple receiver assembly and a method for assembly thereof

#378
20160316295
2016-10-27

Audio signal correction and calibration for a room environment

#379
20160316289
2016-10-27

Earphone with stand-alone high-frequency driver

#380
20160295308
2016-10-06

Speaker assembly and integrated light

#381
20160249130
2016-08-25

Speaker baffle

#382
20160234603
2016-08-11

Loudspeaker having electrically conductive membrane transducers

#383
20160234599
2016-08-11

Multi-channel loudspeaker enclosure with laterally projecting wings and method for orienting and driving multiple loudspeakers

#384
20160234590
2016-08-11

SPEAKER SYSTEM

#385
20160234588
2016-08-11

Speakers and headphones related to vibrations in an audio system, and methods for operating same

#386
20160219362
2016-07-28

Acoustic device having active drivers mounted to a passive radiator diaphragm

#387
20160212516
2016-07-21

Exterior cover with speaker

#388
20160205466
2016-07-14

2-way speaker with coaxial effect

#389
20160205464
2016-07-14

Loudspeaker apparatus

#390
20160198247
2016-07-07

Wireless speaker and system

#391
20160192063
2016-06-30

Audio output apparatus capable of outputting multi channel audio and display apparatus applying the same

#392
20160192062
2016-06-30

Acoustically transparent waveguide

#393
20160173972
2016-06-16

Sealed speaker system having a pressure vent

#394
20160157002
2016-06-02

Magnetic floating loudspeaker

#395
20160142822
2016-05-19

Electroacoustic transducer

#396
20160134964
2016-05-12

Loudspeaker module

#397
20160127831
2016-05-05

Honeycomb speaker system

#398
20160127820
2016-05-05

Piezoelectric ceramic dual-frequency earphone structure

#399
20160105740
2016-04-14

Sound output apparatus, sound output method and image display apparatus

#400
20160105739
2016-04-14

Electronic device

#401
20160100246
2016-04-07

Unidirectional condenser microphone unit

#402
20160073195
2016-03-10

Loudspeaker with improved directional behavior and reduction of acoustical interference

#403
20160044405
2016-02-11

Dual-frequency coaxial earphone

#404
20160014487
2016-01-14

Acoustic box structure

#405
20160007124
2016-01-07

Electrostatic membrane pump/transducer and methods to make and use same

#406
20160007115
2016-01-07

Wireless speaker arrangement

#407
20150373460
2015-12-24

Piezoelectric-type speaker

#408
20150341710
2015-11-26

Complementary asymmetric transducer configuration for lower distortion and extended range

#409
20150326976
2015-11-12

Acoustic generator, acoustic generation device, and electronic device

#410
20150319539
2015-11-05

Earphone

#411
20150304791
2015-10-22

Virtual height filter for reflected sound rendering using upward firing drivers

#412
20150281850
2015-10-01

HYBRID ELECTROSTATIC HEADPHONE MODULE

#413
20150271578
2015-09-24

Speaker assembly with clamping subassemblies

#414
20150264468
2015-09-17

Joiner for a receiver assembly

#415
20150208183
2015-07-23

Hearing aid device using dual electromechanical vibrator

#416
20150208175
2015-07-23

Electrically conductive membrane pump/transducer and methods to make and use same

#417
20150208151
2015-07-23

Immersive sound system

#418
20150195653
2015-07-09

Audio architecture for a portable speaker system

#419
20150195643
2015-07-09

Loudspeaker horn and cabinet

#420
20150189414
2015-07-02

Articulating speaker assembly providing for pivotal adjustment of connected first and second midrange members

#421
20150172818
2015-06-18

Loudspeaker and electrodynamic acoustic transducer with bulbous waveguide tip

#422
20150146904
2015-05-28

Audio output device and video/audio output device using the same

#423
20150117686
2015-04-30

Method and apparatus for outputting sound through speaker

#424
20150110293
2015-04-23

Playback based on received sound waves

#425
20150104054
2015-04-16

Multiple aperture speaker assembly

#426
20150104051
2015-04-16

Audio output device and video/audio output device using the same

#427
20150098595
2015-04-09

Audio speaking having an electrostatic membrane pump and methods to use same

#428
20150071471
2015-03-12

Electronic system and electronic device thereof

#429
20150043760
2015-02-12

Mobile terminal with at least two transducers

#430
20150023525
2015-01-22

DUAL HIGH AND LOW FREQUENCY DRIVER CANALPHONE SYSTEM

#431
20150016642
2015-01-15

Spatial calibration of surround sound systems including listener position estimation

#432
20150016634
2015-01-15

Circuits for improved audio signal reconstruction

#433
20150010190
2015-01-08

Sound generating apparatus and electronic apparatus including the same

#434
20150010174
2015-01-08

Vibration device, sound generator, speaker system, and electronic device

#435
20140369543
2014-12-18

Loudspeaker with a wave guide

#436
20140348351
2014-11-27

Structures for dynamically tuned audio in a media device

#437
20140348347
2014-11-27

Multiple-way loudspeaker

#438
20140307912
2014-10-16

Full-audio-range speaker

#439
20140286510
2014-09-25

Loudspeaker design

#440
20140233779
2014-08-21

Electrostatic loudspeaker capable of dispersing sound both horizontally and vertically

#441
20140205131
2014-07-24

Multi-driver earbud

#442
20140185854
2014-07-03

Acoustic horn arrangement

#443
20140177896
2014-06-26

Audio and display system

#444
20140161281
2014-06-12

Audio signal correction and calibration for a room environment

#445
20140153737
2014-06-05

Multiple receiver assembly and a method for assembly thereof

#446
20140140553
2014-05-22

Methods for wideband receiver and module for a hearing assistance device

#447
20140098978
2014-04-10

Sound generator and sound-generating apparatus

#448
20140093119
2014-04-03

Loudspeaker, and electronic apparatus and mobile device using the loudspeaker

#449
20140064550
2014-03-06

Acoustic optimization

#450
20140064515
2014-03-06

Display with wave generators

#451
20140060959
2014-03-06

Manipulated vortex waveguide loudspeaker alignment

#452
20140029781
2014-01-30

Spherical sound source for acoustic measurements

#453
20140023198
2014-01-23

Method and circuit for testing an audio high-frequency loudspeaker being part of a loudspeaker system

#454
20140016812
2014-01-16

Headphones with optimized radiation of sound

#455
20130322656
2013-12-05

Loudspeaker system

#456
20130308816
2013-11-21

Articulating speaker assembly providing for pivotal adjustment of connected first and second midrange members

#457
20130301855
2013-11-14

Spherically housed loudspeaker system

#458
20130287234
2013-10-31

Flat Ceiling Mounted Loudspeaker

#459
20130287222
2013-10-31

Earbuds with electrostatic discharge protection

#460
20130236031
2013-09-12

Speaker system which comprises speaker driver groups

#461
20130208924
2013-08-15

LOUDSPEAKER WITH REVERSIBLE SOUND PORT

#462
20130208916
2013-08-15

Multichannel speaker enclosure

#463
20130142371
2013-06-06

Detachable Audio Speakers for Portable Devices and Methods for Manufacturing such Speakers

#464
20130101152
2013-04-25

DISPLAY WITH SOUND BOX

#465
20130094679
2013-04-18

Microelectromechanical loudspeaker array with predetermined period of time of diaphragm relaxation

#466
20130077800
2013-03-28

Tunable multichannel headphone and method for assembling the same

#467
20130064402
2013-03-14

Sound Systems

#468
20130064391
2013-03-14

Acoustic beam forming array using feedback-controlled microphones for tuning and self-matching of frequency response

#469
20130058508
2013-03-07

Driver unit and earphone device

#470
20130039527
2013-02-14

MODULAR, CONFIGURABLE SPEAKER AND A METHOD OF OPERATING IT

#471
20130039514
2013-02-14

METHOD AND APPARATUS FOR SUPPLEMENTING LOW FREQUENCY SOUND IN A DISTRIBUTED LOUDSPEAKER ARRANGEMENT

#472
20130034251
2013-02-07

Audio and power signal distribution for loudspeakers

#473
20130010998
2013-01-10

Coaxial sound generating unit cartridge and a two-way earphone using the same

#474
20130010978
2013-01-10

Gaming headset vibrator

#475
20130004011
2013-01-03

Non-occluding earbuds and methods for making the same

#476
20120318607
2012-12-20

Speaker cabinet and method for fabrication

#477
20120314888
2012-12-13

Speaker assembly

#478
20120308069
2012-12-06

Apparatus and system for playing audio signals from an audio source

#479
20120308063
2012-12-06

Drive unit mounting arrangement and loudspeaker

#480
20120294471
2012-11-22

Multi-channel sound producing structure for headphones

#481
20120283999
2012-11-08

Loudspeaker array system

#482
20120281870
2012-11-08

Non-directional transducer

#483
20120281849
2012-11-08

Information processor and controller device

#484
20120269368
2012-10-25

Loudspeaker array system

#485
20120263324
2012-10-18

Orientation-responsive acoustic driver selection

#486
20120250912
2012-10-04

LINE SPEAKER SYSTEM AND LAYOUT

#487
20120237069
2012-09-20

Electrostatic loudspeaker capable of dispersing sound both horizontally and vertically

#488
20120224735
2012-09-06

System and method for reducing baffle vibration

#489
20120213382
2012-08-23

Loudspeaker amplifier integration system

#490
20120206651
2012-08-16

SPEAKER SYSTEM, VIDEO DISPLAY DEVICE, AND TELEVISION RECEIVER

#491
20120195447
2012-08-02

Sound field control apparatus and method

#492
20120183158
2012-07-19

Modular speaker system

#493
20120177206
2012-07-12

Ear speaker device

#494
20120155672
2012-06-21

Method and a device for generating engine acoustic emissions, a computer program and a computer program product

#495
20120140975
2012-06-07

Method for optimizing performance of a multi-transducer earpiece and a multi-transducer earpiece

#496
20120121119
2012-05-17

In-ear monitor with concentric sound bore configuration

#497
20120114147
2012-05-10

Speaker apparatus

#498
20120087534
2012-04-12

Adjustable, dual speaker element in-ear phone

#499
20120087532
2012-04-12

Earphone

#500
20120077550
2012-03-29

Mobile terminal with at least two transducers

#501
20120063628
2012-03-15

Sound reproduction systems and method for arranging transducers therein

#502
20120063619
2012-03-15

HEADPHONE IMPROVEMENTS

#503
20120039476
2012-02-16

Speaker

#504
20120039475
2012-02-16

Active and passive directional acoustic radiating

#505
20120020512
2012-01-26

Articulating speaker assembly providing for pivotal adjustment of connected first and second midrange members

#506
20120014544
2012-01-19

Bipolar speaker with improved clarity

#507
20120008812
2012-01-12

Loudspeaker

#508
20110293112
2011-12-01

Dual high frequency driver canalphone system

#509
20110286613
2011-11-24

Speaker system

#510
20110274306
2011-11-10

Multiple aperture speaker assembly

#511
20110268305
2011-11-03

Multi-throat acoustic horn for acoustic filtering

#512
20110249832
2011-10-13

SPEAKER DEVICE

#513
20110245585
2011-10-06

Method and apparatus for enhanced stimulation of the limbic auditory response

#514
20110235845
2011-09-29

Audio radiation type reflective sound box structure

#515
20110235838
2011-09-29

Desktop audio monitor system and method

#516
20110206228
2011-08-25

Acoustic structure including helmholtz resonator

#517
20110194720
2011-08-11

Two-way audio speaker arrangement

#518
20110188679
2011-08-04

Electronic device employing sound plate switchable between stand type and hang type

#519
20110188678
2011-08-04

Sound plate and electronic device employing the same

#520
20110188661
2011-08-04

Flat panel loudspeakers

#521
20110182449
2011-07-28

Enclosure-less loudspeaker system

#522
20110159955
2011-06-30

FLAT SCREEN GAME TERMINAL

#523
20110158440
2011-06-30

3D stereo earphone with multiple speakers

#524
20110123057
2011-05-26

Horn speaker with hyperbolic paraboloid lens

#525
20110110540
2011-05-12

SHELF

#526
20110103636
2011-05-05

Adjustable, dual speaker element in-ear phone

#527
20110096947
2011-04-28

Spherically housed loudspeaker system

#528
20110058703
2011-03-10

In-Ear Monitor with Triple Sound Bore Configuration

#529
20110058702
2011-03-10

In-ear monitor with concentric sound bore configuration

#530
20110051981
2011-03-03

In-ear earphone

#531
20110051971
2011-03-03

Anti-vibration in-ceiling speaker system

#532
20110051968
2011-03-03

Loudspeaker enclosures for mounting in an aperture in a cavity wall

#533
20110044471
2011-02-24

Generation of a drive signal for sound transducer

#534
20110038503
2011-02-17

EARPHONE

#535
20110037906
2011-02-17

Low frequency enclosure for video display devices

#536
20110026728
2011-02-03

Audio output device

#537
20110025927
2011-02-03

Display device and audio output device

#538
20110019867
2011-01-27

Electro-acoustic transducer with multi-faced diaphragm assembly

#539
20110019862
2011-01-27

Ceiling-mounted loudspeaker enclosure

#540
20110007929
2011-01-13

Earbuds with electrostatic discharge protection

#541
20100322445
2010-12-23

Modular, line-array loudspeaker

#542
20100322444
2010-12-23

Loudspeaker arrangement

#543
20100296657
2010-11-25

Apparatus for sound having multiples stereo imaging

#544
20100272295
2010-10-28

SPEAKER DEVICE HAVING DIRECTIVITY ADJUSTMENT PANEL

#545
20100266149
2010-10-21

In-wall sub-woofer with high-volume displacement

#546
20100263398
2010-10-21

COOLER SOUND SYSTEM

#547
20100246880
2010-09-30

METHOD AND APPARATUS FOR ENHANCED STIMULATION OF THE LIMBIC AUDITORY RESPONSE

#548
20100246864
2010-09-30

HEADPHONE IMPROVEMENTS

#549
20100239108
2010-09-23

Method of using an audio device for improving sound reproduction and listening enjoyment

#550
20100215205
2010-08-26

Audio Playback Apparatus and Stand for Display Apparatus

#551
20100202629
2010-08-12

Sound reproduction systems

#552
20100177921
2010-07-15

RESPONSE SPEAKER SYSTEM

#553
20100142741
2010-06-10

Loudspeaker

#554
20100124340
2010-05-20

Loudspeaker unit

#555
20100119091
2010-05-13

ACOUSTIC REPRODUCTION DEVICE

#556
20100119089
2010-05-13

Speaker assembly

#557
20100119081
2010-05-13

Electroacoustical transducing with low frequency augmenting devices

#558
20100111342
2010-05-06

Dual configuration speaker

#559
20100086145
2010-04-08

THIN LOUDSPEAKER SYSTEM WITH SEPARATE CONTOURED PASSIVE RADIATOR USING TRANSMISSION LINE

#560
20100067730
2010-03-18

Apparatus for outputting sound comprising multiple receivers and a common output channel

#561
20100067726
2010-03-18

Speaker system and speaker driving method

#562
20100027816
2010-02-04

System and method for reducing baffle vibration

#563
20100008523
2010-01-14

Handheld Devices Including Selectively Enabled Audio Transducers

#564
20100008522
2010-01-14

Interchangeable bar loudspeaker system

#565
20090323997
2009-12-31

Horn-loaded acoustic line source

#566
20090304224
2009-12-10

Voice coil device and speaker device using the voice coil device

#567
20090296964
2009-12-03

Compact surround-sound effects system

#568
20090295202
2009-12-03

Acoustic seat vibratory-bone-conduction type

#569
20090290724
2009-11-26

LOUDSPEAKER SYSTEM AND LOUDSPEAKER HAVING A TWEETER ARRAY

#570
20090290717
2009-11-26

Delay time calculation apparatus, delay time calculation method, and storage medium storing program therefor

#571
20090279732
2009-11-12

Speaker assembly with directional adjustability

#572
20090257616
2009-10-15

Speaker system with a plurality of openings in side walls of each of two speaker boxes

#573
20090257601
2009-10-15

ACOUSTIC SPEAKER SYSTEM WITH STRONG BASS CAPABILITY

#574
20090226019
2009-09-10

Offset baffles for acoustic signal arrival synchronization

#575
20090225992
2009-09-10

Sound signal outputting device, sound signal outputting method, and computer-readable recording medium

#576
20090214067
2009-08-27

Loudspeaker box with a variable radiation characteristic

#577
20090196455
2009-08-06

Sound system of wall mounted flat panel display apparatus

#578
20090182444
2009-07-16

Audio-Visual Beer Keg System

#579
20090175473
2009-07-09

Earphone set with detachable speakers or subwoofers

#580
20090169045
2009-07-02

Display Device with Hidden Speaker Assemblies

#581
20090161880
2009-06-25

METHOD AND APPARATUS TO CREATE A SOUND FIELD

#582
20090154755
2009-06-18

Electroacoustic transducer and ear speaker device

#583
20090097667
2009-04-16

Method and circuit for testing an audio high-frequency loudspeaker being part of a loudspeaker system

#584
20090084625
2009-04-02

Acoustic waveguide mode controlling

#585
20090080678
2009-03-26

Speaker device of mobile communication terminal for outputting high quality sound

#586
20090060248
2009-03-05

Earphone structure with a composite sound field

#587
20090060238
2009-03-05

Earphone structure with a composite sound field

#588
20090060237
2009-03-05

Array speaker system

#589
20090052723
2009-02-26

Speaker cabinet assembly for a speaker system

#590
20090052702
2009-02-26

Non-occluding audio headset positioned in the ear canal

#591
20090041262
2009-02-12

Earpiece with acoustic vent for driver response optimization

#592
20080285762
2008-11-20

POINT SOURCE SPEAKER SYSTEMS

#593
20080267429
2008-10-30

Modular speaker system

#594
20080253604
2008-10-16

Ear speaker device

#595
20080240487
2008-10-02

Media playback apparatus having speakers with rotatable connecting means

#596
20080240485
2008-10-02

Earphone integrated eartip

#597
20080219491
2008-09-11

VARIABLE EARPHONES AND SPEAKER

#598
20080212805
2008-09-04

Loudspeaker line array configurations and related sound processing

#599
20080212798
2008-09-04

System and method for intelligent equalization

#600
20080199017
2008-08-21

Speaker array apparatus and signal processing method therefor