ClassID:

231933

H04R1/2892 - CPC Classification

Classification description:

Details of transducers, loudspeakers or microphones; Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only; Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means; Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself Mountings or supports for transducers

Sub-classes:
Recent Application in this class:
#1
20260101137
2026-04-09

MICROPHONE DEVICE USED WITH ATTACHING TO IMAGE CAPTURING APPARATUS

#2
20260019740
2026-01-15

VIBRATION ISOLATION FOOT FOR AUDIO EQUIPMENT

#3
20250355045
2025-11-20

ACOUSTIC DEVICE FOR ESTIMATING A TRIGGER INTENSITY, ELECTRICAL PROTECTION ASSEMBLY AND ASSOCIATED ELECTRICAL INSTALLATION

#4
20250324184
2025-10-16

SYSTEM AND METHOD FOR AN AUDIO PRIVACY COVER FOR AUDIO HEADPHONES

#5
20250056154
2025-02-13

VIBRATION EXCITER WITH ELASTIC BRACKETS

#6
20240388840
2024-11-21

SENSOR DEVICE, VEHICLE, PRODUCTION METHOD, AND MOUNTING METHOD

#7
20240064459
2024-02-22

Microphone isolation mount

#8
20240022846
2024-01-18

SOUND CAPTURE SYSTEM FOR USE WITHIN SOUND-GENERATING DEVICES

#9
20230125092
2023-04-27

Biological sound acquisition device

#10
20230094428
2023-03-30

Microphone and head-mounted display

#11
20230032254
2023-02-02

Asymmetry sound absorbing system via shunted speakers

#12
20220417652
2022-12-29

MICROPHONE ARRAY WITH REAR VENTING

#13
20220386007
2022-12-01

Mic structure and electronic device including the same

#14
20220182767
2022-06-09

High-sensitivity piezoelectric microphone

#15
20210152774
2021-05-20

Terminal device and method for outputting audio

#16
20210144464
2021-05-13

Mechanical frequency upconverter

#17
20210092501
2021-03-25

Speaker panel

#18
20210044894
2021-02-11

Loudspeaker with a wave front shaping device

#19
20190394562
2019-12-26

Full acoustic horn and method for producing same

#20
20190320257
2019-10-17

Loudspeaker enclosure with closeable port

#21
20190306603
2019-10-03

Open audio device with reduced sound attenuation

#22
20190253791
2019-08-15

Top port multi-part surface mount silicon condenser microphone

#23
20190238977
2019-08-01

MOUNT FOR A MINIATURE MICROPHONE

#24
20190236416
2019-08-01

ARTIFICIAL INTELLIGENCE SYSTEM UTILIZING MICROPHONE ARRAY AND FISHEYE CAMERA

#25
20190158954
2019-05-23

Shotgun microphone unit

#26
20190152193
2019-05-23

ISOLATION DEVICE AND METHOD

#27
20180288524
2018-10-04

Electroacoustic transducer

#28
20180249242
2018-08-30

Top port multi-part surface mount MEMS microphone

#29
20180192185
2018-07-05

Method and system for implementing stereo dimensional array signal processing in a compact single enclosure active loudspeaker product

#30
20180176678
2018-06-21

Receiver assembly

#31
20180167706
2018-06-14

Telecommunications audio endpoints

#32
20180160221
2018-06-07

Microphone mount mechanical isolator

#33
20170374440
2017-12-28

Speaker panel

#34
20170311066
2017-10-26

Sound pickup device and sound processing device

#35
20170311065
2017-10-26

Sound pickup device and sound processing device

#36
20170264997
2017-09-14

Top port multi-part surface mount silicon condenser microphone

#37
20170180839
2017-06-22

Electronic device

#38
20170118561
2017-04-27

MEMS device and process

#39
20170070825
2017-03-09

Microphone and method for producing a microphone

#40
20170041705
2017-02-09

Speaker and electronic device having the speaker

#41
20160360312
2016-12-08

Dynamic acoustic waveguide

#42
20160352879
2016-12-01

Microphone holding structure and electronic device

#43
20160241951
2016-08-18

Top port multi-part surface mount silicon condenser microphone

#44
20160234592
2016-08-11

Method of forming a packaged microphone

#45
20160127831
2016-05-05

Honeycomb speaker system

#46
20160066097
2016-03-03

ACOUSTIC TRANSDUCER

#47
20150319541
2015-11-05

Hearing aid device

#48
20150256924
2015-09-10

MEMS device and process

#49
20150018046
2015-01-15

Electronic device

#50
20140286519
2014-09-25

MICROPHONE ARRAY WITH REAR VENTING

#51
20140198942
2014-07-17

Microphone

#52
20140153739
2014-06-05

Microphone

#53
20130051601
2013-02-28

Acoustic systems in electronic devices

#54
20120207322
2012-08-16

Microphone array with rear venting

#55
20120128191
2012-05-24

Portable terminal with duct for transmitter

#56
20120043629
2012-02-23

Surface mount silicon condenser microphone package

#57
20110210409
2011-09-01

Surface mount silicon condenser microphone package

#58
20100128915
2010-05-27

Hearing device with detachable microphone

#59
20090232336
2009-09-17

Component comprising a MEMS microphone and method for the production of said component

#60
20070202627
2007-08-30

Silicon condenser microphone and manufacturing method

#61
20070201715
2007-08-30

Silicon condenser microphone and manufacturing method

#62
20050117769
2005-06-02

Surface-placed sound capturing microphone with rotatable cable connecting member

#63
20050018864
2005-01-27

Method of manufacturing a microphone

#64
20050009580
2005-01-13

Holder for a small-sized acoustic element, and mounting structure for the holder

#65
19195652
2025-07-08

Tableconverse audio system: directional speech enhancement for restaurant tables

#66
17751400
2023-10-17

Sound capture system for use within sound-generating devices

#67
16936167
2022-11-15

Loudspeaker enclosures and loudspeaker devices

#68
16177978
2020-09-01

Loudspeaker enclosures and loudspeaker devices

#69
15452025
2017-06-20

Combination microphone and stand