ClassID:

197155

G10K11/22 - CPC Classification

Classification description:

Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general; Methods or devices for transmitting, conducting, or directing sound for conducting sound through hollow pipes, e.g. speaking tubes

Recent Application in this class:
#1
20250201228
2025-06-19

STEERABLE ACOUSTIC WAVEGUIDE FOR TARGETED FOCUSED ULTRASOUND DELIVERY

#2
20250173593
2025-05-29

SYSTEMS AND METHODS FOR CLASSICAL ENTANGLEMENT IN LARGE MULTI-QUBIT ACOUSTIC ANALOGUE SYSTEMS

#3
20250065805
2025-02-27

VEHICLE APPROACH NOTIFICATION DEVICE

#4
20240135789
2024-04-25

Metamaterials and Acoustic Lenses in Haptic Systems

#5
20240017804
2024-01-18

UNDERWATER SPEAKING DEVICE

#6
20230324961
2023-10-12

ELECTRONIC DEVICE

#7
20230179899
2023-06-08

Acoustic tube and hearing device system including same

#8
20230143153
2023-05-11

HATS WITH SOUND DIRECTING ASSEMBLIES

#9
20230039045
2023-02-09

Sound bypass

#10
20220151583
2022-05-19

Auscultation-Assisting Tool and Stethoscope

#11
20210356432
2021-11-18

Flooded member detection by means of ultrasound

#12
20210062696
2021-03-04

Exhaust sound bypass

#13
20210043181
2021-02-11

Music Loudspeaker of Mobile Phone

#14
20210007771
2021-01-14

Energy-based surgical instrument for treating tissue

#15
20200380832
2020-12-03

Metamaterials and Acoustic Lenses in Haptic Systems

#16
20200371067
2020-11-26

Acoustic waveguide

#17
20200271812
2020-08-27

Ultrasonic beam focus adjustment for single-transducer ultrasonic assembly tools

#18
20190333495
2019-10-31

Selective sound transmission and active sound transmission control

#19
20190247009
2019-08-15

Acoustic collection system for handheld electronic devices

#20
20190244595
2019-08-08

Acoustic component, acoustic apparatus and acoustic system

#21
20190228758
2019-07-25

Flexible acoustic waveguide device

#22
20190213993
2019-07-11

Well site noise control

#23
20190069089
2019-02-28

Sound output apparatus, display apparatus and method for controlling the same

#24
20190066655
2019-02-28

Resonance tube of horn

#25
20190051284
2019-02-14

Acoustic tube and acoustic reproduction apparatus

#26
20180330712
2018-11-15

Acoustical attenuator in storage array to improve performance

#27
20180320646
2018-11-08

Road vehicle with an internal combustion engine and provided with an exhaust noise transmission device

#28
20180319333
2018-11-08

Motor vehicle sound generator system

#29
20180293971
2018-10-11

APPARATUS FOR PLAYING SOUND INDOORS USING SOUND TRANSMISSION PIPES AND METHOD FOR THE SAME

#30
20180183479
2018-06-28

Smart phone acoustic enhancer

#31
20180163676
2018-06-14

Adjustable sound distribution system and a vehicle

#32
20180160220
2018-06-07

Acoustical diffusion manifold

#33
20180116627
2018-05-03

Acoustic collection system for handheld electronic devices

#34
20180112636
2018-04-26

Internal combustion engine provided with a device for the amplification of the intake sound

#35
20180047259
2018-02-15

Metamaterials and acoustic lenses in haptic systems

#36
20180042637
2018-02-15

Energy-based surgical instrument for treating tissue

#37
20180033423
2018-02-01

Acoustic device for forming a wall of sound underwater

#38
20180013399
2018-01-11

Piezoelectric oscillating device

#39
20180011211
2018-01-11

Ultrasonic beam focus adjustment for single-transducer ultrasonic assembly tools

#40
20170350287
2017-12-07

Road vehicle with an internal combustion engine and provided with a device for the transmission of the exhaust noise

#41
20170281120
2017-10-05

Acoustic collection system for handheld electronic devices

#42
20170236508
2017-08-17

Flexible waveguide band

#43
20170180847
2017-06-22

Device for transmitting sounds for intra-auricular earpiece and intra-auricular earpiece

#44
20170132998
2017-05-11

Sound generating device

#45
20170107921
2017-04-20

External vehicle sound field enhancement

#46
20170069303
2017-03-09

Sound wave metamaterial

#47
20170020735
2017-01-26

Passive noise canceling device

#48
20170008453
2017-01-12

Sound transmitting system for a motor vehicle and method for a sound transmitting system

#49
20160360321
2016-12-08

MEMS-based structure for pico speaker

#50
20160353198
2016-12-01

Passive acoustic radiator module

#51
20160336001
2016-11-17

SPEAKING TUBE FOR A STROLLER

#52
20160333832
2016-11-17

Intake sound introducing apparatus

#53
20160310100
2016-10-27

Acoustic collection system for handheld electronic devices

#54
20160270542
2016-09-22

Spectator Tray

#55
20160265479
2016-09-15

Vehicular suction noise transmission system

#56
20160249142
2016-08-25

Hearing aid and plug-in connection for same

#57
20160111079
2016-04-21

DEVICE FOR HEARING OWN VOICE

#58
20160094912
2016-03-31

Underwater voice communication devices and associated methods

#59
20160066111
2016-03-03

Ear canal earpiece and earmold unit for an earpiece

#60
20160052449
2016-02-25

Sound output device for vehicle

#61
20150358734
2015-12-10

Method and system for large scale audio system

#62
20150338381
2015-11-26

Ultrasound transducer with reduced aperture delay line

#63
20150289050
2015-10-08

Method and system for large scale audio system

#64
20150287399
2015-10-08

Method of influencing the exhaust noise of a motor vehicle and exhaust system for a motor vehicle

#65
20150230012
2015-08-13

Sound generator system for a motor vehicle

#66
20150228268
2015-08-13

Tube system and life tube adaptor for a hearing aid

#67
20150164465
2015-06-18

Stethoscope head

#68
20150056058
2015-02-26

Propeller sound field modification systems and methods

#69
20150036840
2015-02-05

Loudspeaker system for a motor vehicle

#70
20150000998
2015-01-01

Acoustic horn manifold

#71
20140358551
2014-12-04

Speech aid system

#72
20140328494
2014-11-06

Road vehicle

#73
20140205120
2014-07-24

Hearing instrument housing having a plug-in connection, plug and hearing instrument

#74
20140055258
2014-02-27

Method and device for generating noise in the vehicle interior and vehicle exterior of a motor vehicle

#75
20130216083
2013-08-22

Directional audio waveguide array

#76
20130032022
2013-02-07

Acoustic Personal Monitor

#77
20130008738
2013-01-10

Sound transmission system

#78
20130008402
2013-01-10

Sound transmission system

#79
20120294465
2012-11-22

Earpiece with hollow elongated member having a nonlinear portion

#80
20120288107
2012-11-15

Test system for evaluating feedback performance of a listening device

#81
20120235828
2012-09-20

SIGNAL DEVICE

#82
20120082328
2012-04-05

AUDIO REPRODUCTION DEVICE AND A METHOD FOR USING THE AFOREMENTIONED DEVICE

#83
20100314193
2010-12-16

MEMBRANE STIFFENING THROUGH RIBBING FOR ENGINE SOUND TRANSMISSION DEVICE

#84
20100263963
2010-10-21

Transmitted sound control apparatus

#85
20100014696
2010-01-21

HEARING DEVICE

#86
20090321177
2009-12-31

Acoustic measurement tip

#87
20090250290
2009-10-08

Device for noise transmission in a motor vehicle

#88
20090057054
2009-03-05

Sound generator with structurally and acoustically coupled sound radiation panel and method for manufacturing the same

#89
20080257808
2008-10-23

Ultrasonic Treatment Plant

#90
20080232197
2008-09-25

Ultrasonic sensor and obstacle detection device

#91
20080135330
2008-06-12

Sonic coupling between an intake tract or engine compartment and the interior of a motor vehicle

#92
20080128199
2008-06-05

ACOUSTIC WAVEGUIDE AND ELECTROACOUSTIC SYSTEM INCORPORATING SAME

#93
20080041658
2008-02-21

Acoustic fluid machine

#94
20070295553
2007-12-27

Vehicle intake sound introducing apparatus

#95
20070175683
2007-08-02

Air intake sound transmission device and method

#96
20070044747
2007-03-01

Air intake sound control structure

#97
20060215491
2006-09-28

System and method for transmitting information through a fluid medium

#98
20060139153
2006-06-29

Efficiency audible alarm

#99
20060137932
2006-06-29

Personal Pneumatic Amplification System for an Electric Guitar

#100
20060120549
2006-06-08

Sound generating apparatus, a mobile electric device and a system for generating sound

#101
20060060419
2006-03-23

Apparatus for transmitting sound in a motor vehicle

#102
20060054382
2006-03-16

ACOUSTIC FLUID MACHINE

#103
20060042873
2006-03-02

Apparatus for transmitting sound in a motor vehicle

#104
20050217646
2005-10-06

Arrangement and method for coupling an air compressor to the driving shaft of an internal combustion engine

#105
20050217380
2005-10-06

Device for measuring structure-born noise

#106
20050205349
2005-09-22

Acoustic radiating

#107
20050133300
2005-06-23

Device for establishing noise in a motor vehicle

#108
20050121256
2005-06-09

Device for establishing noise in a motor vehicle

#109
20050121255
2005-06-09

Device for establishing noise in a motor vehicle

#110
20050121254
2005-06-09

Device for establishing noise in a motor vehicle