H04R1/26 - 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

Sub-classes:
Recent Application in this class:
#1
20240259520
2024-08-01

SOUND GENERATING APPARATUS

#2
20240236570
2024-07-11

PANEL VIBRATION TYPE SOUND GENERATING DISPLAY DEVICE

#3
20240214724
2024-06-27

ACOUSTIC WAVEGUIDES FOR MULTI-CHANNEL PLAYBACK DEVICES

#4
20240208385
2024-06-27

SEATBACK SPEAKERS

#5
20240205582
2024-06-20

ACOUSTIC DEVICE

#6
20240184599
2024-06-06

AUDIO PLAYBACK DEVICE AND METHOD FOR CONTROLLING OPERATION THEREOF

#7
20240171892
2024-05-23

ACOUSTIC OUTPUT DEVICE AND NOISE REDUCTION AND SOUND TRANSMISSION DEVICE

#8
20240147396
2024-05-02

METHOD AND APPARATUS FOR MITIGATING PHASE INTERFERENCE OR CANCELLATION BY ALIGNING WAVEFORMS TO 3RD HARMONICS

#9
20240137710
2024-04-25

DISPLAY DEVICE FOR GENERATING SOUND FROM DISPLAY PANEL

#10
20240107233
2024-03-28

SIGNAL PROCESSING DEVICE AND SIGNAL PROCESSING METHOD

#11
20240098418
2024-03-21

Audio device and method for producing a sound field

#12
20240098403
2024-03-21

Display apparatus

#13
20240073605
2024-02-29

FOLDABLE ELECTRONIC DEVICE INCLUDING A PLURALITY OF SPEAKERS AND METHOD OF OPERATING THE SAME

#14
20240073579
2024-02-29

ACOUSTIC OUTPUT APPARATUS

#15
20240056724
2024-02-15

METHOD AND SYSTEM FOR MANAGING THE LOW FREQUENCY CONTENT IN A LOUDSPEAKER SYSTEM

#16
20240048895
2024-02-08

LOUDSPEAKER WITH REDUCED AUDIO COLORATION CAUSED BY REFLECTIONS FROM A SURFACE

#17
20240045938
2024-02-08

DETECTION OF ATTACHMENT PROBLEM OF APPARATUS BEING WORN BY USER

#18
20240040310
2024-02-01

Speaker system

#19
20240037204
2024-02-01

DETECTION OF ATTACHMENT PROBLEM OF APPARATUS BEING WORN BY USER

#20
20240037203
2024-02-01

DETECTION OF ATTACHMENT PROBLEM OF APPARATUS BEING WORN BY USER

#21
20240009421
2024-01-11

EMOTIONAL CARE APPARATUS AND METHOD THEREOF

#22
20240007791
2024-01-04

METHOD, SYSTEM, AND STORAGE MEDIUM FOR CONTROLLING LOUDSPEAKER GROUP DELAY

#23
20230412980
2023-12-21

MULTI-CHANNEL AUDIO PLAYBACK SYSTEM

#24
20230412979
2023-12-21

Sound Reproducing Apparatus And Method

#25
20230396912
2023-12-07

ACOUSTIC OUTPUT APPARATUS AND METHOD THEREOF

#26
20230388709
2023-11-30

Methods and systems for balancing audio directed to each ear of user

#27
20230345177
2023-10-26

Loudspeaker arrangement

#28
20230336902
2023-10-19

EARPHONE WITHOUT COVERING AN EAR CANAL

#29
20230308790
2023-09-28

Loudspeaker enclosure

#30
20230305638
2023-09-28

VOICE-CONTROLLED ELECTRONIC DEVICE

#31
20230276168
2023-08-31

LINE SOURCE LOUDSPEAKER DEVICE

#32
20230276161
2023-08-31

ACOUSTIC OUTPUT APPARATUS

#33
20230276160
2023-08-31

ACOUSTIC OUTPUT APPARATUS

#34
20230235525
2023-07-27

SOUND AMPLIFICATION STRUCTURE AND BUILDING FOUNDATION STRUCTURE

#35
20230232145
2023-07-20

ACOUSTIC OUTPUT APPARATUS AND METHODS THEREOF

#36
20230217168
2023-07-06

DISPLAY APPARATUS AND CONTROL METHOD THEREOF

#37
20230209246
2023-06-29

CAMERA WITH ACCUMULATED WATER TREATMENT FUNCTION AND METHOD OF TREATING ACCUMULATED WATER THEREOF

#38
20230209010
2023-06-29

Display apparatus

#39
20230199378
2023-06-22

Electronic module having transducers radiating ultrasonic waves

#40
20230199369
2023-06-22

AUDIO DATA PROCESSING METHOD AND APPARATUS, AND SOUND BOX SYSTEM

#41
20230191970
2023-06-22

Seatback speakers

#42
20230171536
2023-06-01

SOUND PRODUCTION USING SPEAKER ENCLOSURE WITH REDUCED INTERNAL PRESSURE

#43
20230171528
2023-06-01

OPEN EARPHONE

#44
20230156391
2023-05-18

Acoustic output device

#45
20230156390
2023-05-18

Acoustic output device

#46
20230154482
2023-05-18

AUDIO SYSTEM

#47
20230145038
2023-05-11

Acoustic output device

#48
20230141946
2023-05-11

Acoustic output device

#49
20230135696
2023-05-04

Acoustic Transducer Arrangement and Method for Operating an Acoustic Transducer Arrangement

#50
20230109699
2023-04-13

Acoustic device

#51
20230091735
2023-03-23

Detection of attachment problem of apparatus being worn by user

#52
20230077689
2023-03-16

SPEAKER DRIVER ARRANGEMENT FOR IMPLEMENTING CROSS-TALK CANCELLATION

#53
20230076601
2023-03-09

Acoustic waveguides for multi-channel playback devices

#54
20230070507
2023-03-09

ACOUSTIC OUTPUT APPARATUS AND METHOD THEREOF

#55
20230066263
2023-03-02

Acoustic output device

#56
20230030850
2023-02-02

Horn-loaded loudspeaker

#57
20230012124
2023-01-12

Acoustic output device and components thereof

#58
20230007387
2023-01-05

SOUND APPARATUS AND SOUND SYSTEM INCLUDING THE SAME

#59
20230007380
2023-01-05

Acoustic output apparatus

#60
20230007373
2023-01-05

Motor Vehicle with Sound System

#61
20230004340
2023-01-05

TRANSMISSION APPARATUS, TRANSMISSION METHOD, RECEPTION APPARATUS, AND RECEPTION METHOD

#62
20230001834
2023-01-05

Backrest for a vehicle seat

#63
20220417629
2022-12-29

Sound output apparatus and oscillation provising mechanism

#64
20220408172
2022-12-22

ACOUSTIC OUTPUT APPARATUS

#65
20220394373
2022-12-08

AUDIO SYSTEM FOR A VEHICLE

#66
20220386012
2022-12-01

Acoustic output apparatus

#67
20220379787
2022-12-01

Seatback speakers

#68
20220377452
2022-11-24

Micro-speaker having diaphragm plate(s) capable of moving with respect to a housing

#69
20220369024
2022-11-17

Display apparatus

#70
20220360898
2022-11-10

Modular Surround Sound Assembly

#71
20220353607
2022-11-03

Speaker system with asymmetrical coverage horn

#72
20220345816
2022-10-27

Electronic device including speaker and microphone

#73
20220345812
2022-10-27

Electronic module having transducers radiating ultrasonic waves

#74
20220345811
2022-10-27

Electronic module

#75
20220334025
2022-10-20

SYSTEM FOR AEROSPACE ACOUSTIC TESTING

#76
20220329932
2022-10-13

Loudspeaker

#77
20220321993
2022-10-06

Speaker device and audio device

#78
20220303668
2022-09-22

VEHICLE SPEAKER SYSTEM

#79
20220303652
2022-09-22

Speaker device and refrigerator comprising same

#80
20220277724
2022-09-01

Noise-canceling audio device including multiple vibration members

#81
20220272437
2022-08-25

IN-VEHICLE SPEAKER SYSTEM

#82
20220266734
2022-08-25

Vehicle headrest

#83
20220264212
2022-08-18

Open earphone

#84
20220248126
2022-08-04

Sound output device

#85
20220247939
2022-08-04

360 degree interactive studio

#86
20220230615
2022-07-21

Noise cancelling soundbar device and system

#87
20220225017
2022-07-14

Vehicle-mounted woofer device

#88
20220210531
2022-06-30

Wearable HCI device

#89
20220206827
2022-06-30

Audio playback device and method for controlling operation thereof

#90
20220174399
2022-06-02

Loudspeaker with reduced audio coloration caused by reflections from a surface

#91
20220159380
2022-05-19

MICROPHONE FOR RECORDING MULTI-DIMENSIONAL ACOUSTIC EFFECTS

#92
20220155876
2022-05-19

Voice-controlled electronic device

#93
20220155875
2022-05-19

Voice-controlled electronic device

#94
20220150652
2022-05-12

Mobile terminal with at least two transducers

#95
20220150629
2022-05-12

Panel vibration type sound generating display device

#96
20220141566
2022-05-05

In-ear headphone

#97
20220132236
2022-04-28

Sound apparatus for generating improved sound and display apparatus including the same

#98
20220124432
2022-04-21

Audio loudspeaker array and related methods

#99
20220109933
2022-04-07

Non-blocking dual driver earphones

#100
20220103946
2022-03-31

Sound box assembly, display apparatus, and audio output method

#101
20220078553
2022-03-10

Speaker audio configuration system

#102
20220070570
2022-03-03

Acoustic output device and noise reduction and sound transmission device

#103
20220060828
2022-02-24

SYSTEM AND METHOD FOR DELIVERING FULL-BANDWIDTH SOUND TO AN AUDIENCE IN AN AUDIENCE SPACE

#104
20220030347
2022-01-27

Acoustic output apparatus

#105
20220021963
2022-01-20

Acoustic output apparatus and methods thereof

#106
20220014851
2022-01-13

Crossover circuit

#107
20210400376
2021-12-23

Multiple dispersion standalone stereo loudspeakers

#108
20210392431
2021-12-16

Portable loudspeaker systems

#109
20210383820
2021-12-09

DIRECTIONAL LOUDNESS MAP BASED AUDIO PROCESSING

#110
20210377645
2021-12-02

Acoustic output apparatus and method thereof

#111
20210306725
2021-09-30

Sound output device

#112
20210297771
2021-09-23

Sound output device

#113
20210289281
2021-09-16

Acoustic output apparatus

#114
20210279033
2021-09-09

SECURE LOUDSPEAKER MICROPHONE SYSTEMS AND LOUDSPEAKERS CONTAINING SAME

#115
20210274281
2021-09-02

Acoustic output apparatus

#116
20210274280
2021-09-02

Acoustic output device and buttons thereof

#117
20210274278
2021-09-02

Acoustic output apparatus

#118
20210274276
2021-09-02

Earphone without covering an ear canal

#119
20210271115
2021-09-02

Microphone noise reduction system and smart glasses using the system

#120
20210258684
2021-08-19

Acoustic waveguides for multi-channel playback devices

#121
20210250689
2021-08-12

Sound producing device

#122
20210250680
2021-08-12

Loudspeaker with array of electrostatic card stack drivers

#123
20210250542
2021-08-12

Display apparatus

#124
20210243518
2021-08-05

Acoustic output device and components thereof

#125
20210235181
2021-07-29

Acoustic output apparatus

#126
20210227306
2021-07-22

Audio glasses

#127
20210223577
2021-07-22

Acoustic output device

#128
20210195318
2021-06-24

Sound production using speaker enclosure with reduced internal pressure

#129
20210195315
2021-06-24

Hybrid acoustic apparatus including rectangular microspeaker

#130
20210185421
2021-06-17

Acoustic output apparatus with a plurality of acoustic drivers and methods thereof

#131
20210176566
2021-06-10

Display device for generating sound from display panel

#132
20210176562
2021-06-10

Speaker normalization system

#133
20210176545
2021-06-10

Sound system

#134
20210168500
2021-06-03

Acoustic output apparatus

#135
20210168498
2021-06-03

Acoustic output apparatus with drivers in multiple frequency ranges and bluetooth low energy receiver

#136
20210168495
2021-06-03

Acoustic output apparatus

#137
20210168494
2021-06-03

Acoustic output apparatus and method thereof

#138
20210168485
2021-06-03

Open earphone

#139
20210160610
2021-05-27

Acoustic output apparatus and methods thereof

#140
20210160606
2021-05-27

Open earphone

#141
20210160602
2021-05-27

Acoustic device

#142
20210144470
2021-05-13

Entertainment system for a vehicle including a sound emitting module

#143
20210127200
2021-04-29

Acoustic output device

#144
20210127197
2021-04-29

Acoustic output apparatus

#145
20210112329
2021-04-15

Open earphone

#146
20210099792
2021-04-01

AUDIO LOUDSPEAKER AND RELATED METHOD

#147
20210092510
2021-03-25

Modular loudspeaker system

#148
20210090544
2021-03-25

Noise-canceling headphones including multiple vibration members and related methods

#149
20210058689
2021-02-25

Appliance suite equipped with a synced sound system

#150
20210034321
2021-02-04

Display device and surround sound system

#151
20210029438
2021-01-28

In-ear headphone

#152
20210021929
2021-01-21

Reflecting sound from acoustically reflective video screen

#153
20200404213
2020-12-24

Display device

#154
20200396559
2020-12-17

Audio speakers having upward firing drivers for reflected sound rendering

#155
20200358978
2020-11-12

Display apparatus with a display area and a non-display area and including a sound generator

#156
20200351589
2020-11-05

Surround-screen speaker array and the formation method of virtual sound source

#157
20200344543
2020-10-29

Signal matching method and device

#158
20200329300
2020-10-15

System and method for experiencing music via vibrations

#159
20200322713
2020-10-08

Vibration generation system, signal generator, and vibrator device

#160
20200301194
2020-09-24

Display apparatus

#161
20200296504
2020-09-17

REFLECTING SOUND FROM ACOUSTICALLY REFLECTIVE VIDEO SCREEN

#162
20200288246
2020-09-10

Management of low frequency components of an audio signal at a mobile computing device

#163
20200288230
2020-09-10

In-ear headphone

#164
20200280796
2020-09-03

Display apparatus

#165
20200276923
2020-09-03

Vehicle headrest

#166
20200275196
2020-08-27

Loudspeaker array cabinet

#167
20200268288
2020-08-27

Method and apparatus for testing hearing ability

#168
20200252710
2020-08-06

Loudspeaker assembly and headphones for spatially localizing a sound event

#169
20200245058
2020-07-30

Hybrid speaker

#170
20200236450
2020-07-23

Vibration cancelling speaker arrangement

#171
20200221216
2020-07-09

Loudspeaker with reduced audio coloration caused by reflections from a surface

#172
20200204909
2020-06-25

Voice-controlled electronic device

#173
20200204905
2020-06-25

Acoustic device

#174
20200204893
2020-06-25

Display apparatus

#175
20200169821
2020-05-28

Apparatus and method for speaker tuning and automatic digital signal processing configuration

#176
20200162806
2020-05-21

In-ear headphone

#177
20200154197
2020-05-14

ACOUSTIC PROCESSOR AND ACOUSTIC OUTPUT DEVICE

#178
20200154184
2020-05-14

LOUDSPEAKER DEVICE

#179
20200145772
2020-05-07

Mobile terminal with at least two transducers

#180
20200137483
2020-04-30

Directive multiway loudspeaker with a waveguide

#181
20200137476
2020-04-30

Sound output apparatus

#182
20200107125
2020-04-02

Panel vibration type sound generating display device

#183
20200100020
2020-03-26

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

#184
20200092637
2020-03-19

Audio loudspeaker and related method

#185
20200077178
2020-03-05

Multiple dispersion standalone stereo loudspeakers

#186
20200068294
2020-02-27

Reflecting sound from acoustically reflective video screen

#187
20200068280
2020-02-27

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

#188
20200053452
2020-02-13

Sound production using speaker enclosure with reduced internal pressure

#189
20200021909
2020-01-16

Upward firing loudspeaker having asymmetric dispersion for reflected sound rendering

#190
20200014993
2020-01-09

Loudspeaker design

#191
20190377380
2019-12-12

Display apparatus

#192
20190320283
2019-10-17

Audio speakers having upward firing drivers for reflected sound rendering

#193
20190289398
2019-09-19

Vehicle sound system

#194
20190289397
2019-09-19

Passive and active virtual height filter systems for upward firing drivers

#195
20190289389
2019-09-19

Speaker system

#196
20190261080
2019-08-22

MALLEABLE EARPIECE FOR ELECTRONIC DEVICES

#197
20190261075
2019-08-22

Speaker device

#198
20190246201
2019-08-08

Acoustic device having an electro-acoustic transducer mounted to a passive radiator diaphragm

#199
20190230434
2019-07-25

Adaptive array speaker

#200
20190227591
2019-07-25

Display device

#201
20190215607
2019-07-11

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

#202
20190208322
2019-07-04

Low frequency sound field in a listening environment

#203
20190200132
2019-06-27

Variable acoustics loudspeaker

#204
20190189129
2019-06-20

Detection of attachment problem of apparatus being worn by user

#205
20190189106
2019-06-20

Noise-canceling headphones including multiple vibration members and related methods

#206
20190182593
2019-06-13

Head support incorporating loudspeakers and system for playing multi-dimensional acoustic effects

#207
20190158944
2019-05-23

Direct-radiating earphone drivers

#208
20190155087
2019-05-23

Display apparatus

#209
20190149907
2019-05-16

Loudspeaker

#210
20190116425
2019-04-18

Speaker unit and acoustic device

#211
20190111820
2019-04-18

Vehicle headrest

#212
20190110125
2019-04-11

Dynamic generation and distribution of multi-channel audio from the perspective of a specific subject of interest

#213
20190105563
2019-04-11

Vibrating apparatus and vibrating method

#214
20190092437
2019-03-28

Boat windshield with integrated audio system

#215
20190090051
2019-03-21

Constant-directivity two way wedge loudspeaker system

#216
20190090047
2019-03-21

Small subwoofer ceiling speaker system

#217
20190079556
2019-03-14

Display apparatus

#218
20190069090
2019-02-28

Novel Method for Delivering Stereo Modulations in a Motor Vehicle

#219
20190052963
2019-02-14

Panel vibration type display device for generating sound

#220
20190052943
2019-02-14

Loudspeaker

#221
20190050241
2019-02-14

Audio playback device and method for controlling operation thereof

#222
20190045287
2019-02-07

Display apparatus

#223
20190045285
2019-02-07

Speaker device

#224
20190037295
2019-01-31

Vibration cancelling speaker arrangement

#225
20190037165
2019-01-31

Display apparatus

#226
20180376240
2018-12-27

Electro-acoustical transducer arrangements of a sound system

#227
20180376231
2018-12-27

Headphone arrangement

#228
20180367939
2018-12-20

Dual-orientation speaker for rendering immersive audio content

#229
20180367888
2018-12-20

Coaxial loudspeaker

#230
20180359566
2018-12-13

Soundbar

#231
20180343522
2018-11-29

Panel vibration type sound generating display device

#232
20180343521
2018-11-29

Methods and devices for reproducing stereo audio

#233
20180343509
2018-11-29

Speaker system

#234
20180338203
2018-11-22

MTM loudspeaker using tweeter arrays

#235
20180324540
2018-11-08

Content-adaptive surround sound virtualization

#236
20180288518
2018-10-04

Non-blocking dual driver earphones

#237
20180270567
2018-09-20

Acoustic device having an electro-acoustic transducer mounted to a passive radiator diaphragm

#238
20180262836
2018-09-13

Multi-driver array audio speaker system

#239
20180255413
2018-09-06

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

#240
20180255391
2018-09-06

Apparatus for managing distortion in a signal path and method

#241
20180242077
2018-08-23

Upward firing loudspeaker having asymmetric dispersion for reflected sound rendering

#242
20180242075
2018-08-23

Acoustic waveguide for audio speaker

#243
20180227664
2018-08-09

Audio driver and power supply unit architecture

#244
20180220236
2018-08-02

Universal speaker

#245
20180201373
2018-07-19

Loudspeaker system

#246
20180199004
2018-07-12

SPEAKER SYSTEM, DISPLAY DEVICE, AND TELEVISION RECEIVER

#247
20180198052
2018-07-12

Display apparatus

#248
20180192221
2018-07-05

Asymmetric stereophonic bass compensation

#249
20180192184
2018-07-05

Outdoor speaker assembly and system

#250
20180192172
2018-07-05

Electronic device

#251
20180184182
2018-06-28

Sound bar apparatus having detachable sound transducer

#252
20180167722
2018-06-14

Loudspeaker system with directivity

#253
20180167719
2018-06-14

SPEAKER

#254
20180146281
2018-05-24

Loudspeaker, loudspeaker driver and loudspeaker design process

#255
20180132034
2018-05-10

CONTROLLED ARRAY LOUDSPEAKER

#256
20180115847
2018-04-26

Mobile terminal with at least two transducers

#257
20180103315
2018-04-12

Baffle for line array loudspeaker

#258
20180098140
2018-04-05

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

#259
20180091901
2018-03-29

User interface cooling using audio component

#260
20180091894
2018-03-29

Airflow exit geometry

#261
20180091891
2018-03-29

Loudspeaker assembly

#262
20180091888
2018-03-29

Speaker back volume extending past a speaker diaphragm

#263
20180091879
2018-03-29

Annular support structure

#264
20180091878
2018-03-29

Subwoofer with multi-lobe magnet

#265
20180087767
2018-03-29

Illuminated user interface architecture

#266
20180084335
2018-03-22

Loudspeaker system with transducer array

#267
20180077485
2018-03-15

Loudspeaker system

#268
20180070167
2018-03-08

Wideband slot-loading loudspeaker

#269
20180027348
2018-01-25

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

#270
20180027319
2018-01-25

Earphone with expanding speaker device

#271
20180020290
2018-01-18

Vehicle speaker arrangement

#272
20180014096
2018-01-11

Electroacoustic transducer

#273
20180007466
2018-01-04

LOUDSPEAKER ARRANGEMENT FOR THREE-DIMENSIONAL SOUND REPRODUCTION IN CARS

#274
20170366895
2017-12-21

SPEAKER SYSTEM WHICH COMPRISES SPEAKER DRIVER GROUPS

#275
20170366893
2017-12-21

Headphone device

#276
20170359653
2017-12-14

Audio architecture for a portable speaker system

#277
20170353786
2017-12-07

Baffle for line array loudspeaker

#278
20170353778
2017-12-07

Vibrotactile music perception wearable

#279
20170332166
2017-11-16

Speaker apparatus

#280
20170325019
2017-11-09

Waveguide for a height channel in a speaker

#281
20170318372
2017-11-02

Malleable earpiece for electronic devices

#282
20170311077
2017-10-26

Audio signal correction and calibration for a room environment

#283
20170289694
2017-10-05

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

#284
20170289673
2017-10-05

Loudspeaker with reduced audio coloration caused by reflections from a surface

#285
20170280246
2017-09-28

Panel vibration type display device for generating sound

#286
20170280243
2017-09-28

Panel vibration type sound generating display device

#287
20170280231
2017-09-28

Loudspeaker with reduced audio coloration caused by reflections from a surface

#288
20170280217
2017-09-28

Display device for generating sound by vibrating panel

#289
20170280216
2017-09-28

Panel vibration type sound generating display device

#290
20170280215
2017-09-28

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

#291
20170265281
2017-09-14

Reproduction device and reproduction method

#292
20170245048
2017-08-24

Transducer assembly with acoustic mass

#293
20170245044
2017-08-24

Ambient sonic low-pressure equalization

#294
20170245042
2017-08-24

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

#295
20170238085
2017-08-17

In-ear monitor

#296
20170223447
2017-08-03

Multi-driver acoustic horn for horizontal beam control

#297
20170214999
2017-07-27

Headphone

#298
20170214993
2017-07-27

Headphone

#299
20170208392
2017-07-20

Passive and active virtual height filter systems for upward firing drivers

#300
20170206878
2017-07-20

Device case, connector, and electronic musical instrument