Patents-Review.com
ClassID:

231974 ⎘

H04R7/08 - CPC Classification

Classification description:

Diaphragms for electromechanical transducers ; Cones characterised by the construction; Plane diaphragms comprising a plurality of sections or layers comprising superposed layers separated by air or other fluid

Recent Application in this class:
#1
20250071473
2025-02-27

SPEAKER MODULE

 #2
20250056160
2025-02-13

MOTOR ASSEMBLY FOR SPEAKER DEVICE

 #3
20250024203
2025-01-16

TRIPLE-MEMBRANE MEMS DEVICE

 #4
20240377243
2024-11-14

VIBRATION SENSORS

 #5
20240214738
2024-06-27

SOUND APPARATUS

 #6
20240158224
2024-05-16

Membrane support for dual backplate transducers

 #7
20240114292
2024-04-04

Triple-membrane MEMS device

 #8
20230353943
2023-11-02

Techniques for generating audio signals

 #9
20230288250
2023-09-14

Vibration sensors

 #10
20230204440
2023-06-29

METHOD AND SYSTEM FOR DETERMINING THE STATE OF A SENSOR WHOSE MECHANICAL BEHAVIOUR IS NONLINEAR AS A FUNCTION OF THE AMPLITUDE OF THE PRESSURE EXERTED

 #11
20230104257
2023-04-06

ANCHOR SILICON DIOXIDE LAYER FOR PIEZOELECTRIC MICROELECTROMECHANICAL SYSTEM MICROPHONE

 #12
20230046902
2023-02-16

Vibration sensors

 #13
20230002219
2023-01-05

Dual membrane transducer

 #14
20220272459
2022-08-25

Dummy electrodes for performance improvement of piezoelectric microelectromechanical system microphones

 #15
20220256291
2022-08-11

Techniques for generating audio signals

 #16
20220217470
2022-07-07

Vibration device

 #17
20220201398
2022-06-23

Triple-membrane MEMS device

 #18
20210360340
2021-11-18

WATERPROOF SOUND-TRANSMISSION MEMBRANES

 #19
20210306754
2021-09-30

Techniques for generating audio signals

 #20
20210195340
2021-06-24

Structure of micro-electro-mechanical-system microphone

 #21
20210139319
2021-05-13

Membrane support for dual backplate transducers

 #22
20210053821
2021-02-25

Membrane support for dual backplate transducers

 #23
20200404808
2020-12-24

Heat radiating structure and electronic device including same

 #24
20200301194
2020-09-24

Display apparatus

 #25
20200223187
2020-07-16

Glass sheet composite, and diaphragm

 #26
20200196059
2020-06-18

Multi-layer loudspeaker cover and vehicle

 #27
20190387322
2019-12-19

Glass sheet composite

 #28
20190349687
2019-11-14

MEMS structure, capacitive sensor, piezoelectric sensor, acoustic sensor having mems structure

 #29
20190261093
2019-08-22

Transducer having a conductive suspension member

 #30
20190210866
2019-07-11

MEMS microphone with tunable sensitivity

 #31
20190191242
2019-06-20

Waterproof sound-transmitting sheet

 #32
20190155087
2019-05-23

Display apparatus

 #33
20190098415
2019-03-28

Evacuation of liquid from acoustic space

 #34
20190028799
2019-01-24

Signal processing method of audio sensing device, and audio sensing system

 #35
20180262840
2018-09-13

Evacuation of liquid from acoustic space

 #36
20180091902
2018-03-29

Transducer having a conductive suspension member

 #37
20170006385
2017-01-05

Audio sensing device and method of acquiring frequency information

 #38
20160373864
2016-12-22

Transparent parametric transducer and related methods

 #39
20160286317
2016-09-29

Capacitive silicon microphone and fabrication method thereof

 #40
20160255441
2016-09-01

Transparent parametric emitter

 #41
20160150321
2016-05-26

MICRO PHONE AND METHOD OF MANUFACTURING THE SAME

 #42
20160119703
2016-04-28

Electroacoustic sound transducer, and earphone

 #43
20160068386
2016-03-10

Capacitive sensing structure with embedded acoustic channels

 #44
20160066099
2016-03-03

MEMS microphone with low pressure region between diaphragm and counter electrode

 #45
20160050506
2016-02-18

Audio sensing device and method of acquiring frequency information

 #46
20160014529
2016-01-14

Transparent parametric emitter

 #47
20150237448
2015-08-20

Integrated CMOS/MEMS microphone die

 #48
20150036868
2015-02-05

Acoustic transducer comprising a plurality of coaxially arranged diaphragms

 #49
20150003643
2015-01-01

Acoustic generator, acoustic generating device, and electronic device

 #50
20150003642
2015-01-01

Acoustic generator, acoustic generating device, and electronic device

 #51
20140361388
2014-12-11

Capacitive sensing structure with embedded acoustic channels

 #52
20140232236
2014-08-21

Electrostatic transducer

 #53
20140161303
2014-06-12

Flat-type speaker having plurality of magnetic circuits which are horizontally connected

 #54
20140112504
2014-04-24

Audio driver and method for transforming an electrical signal into air movement

 #55
20140064525
2014-03-06

Vibrating panel device for electromagnetic vibrator and its manufacture method

 #56
20120114150
2012-05-10

Speaker apparatus

 #57
20090290746
2009-11-26

Card-type device and method for manufacturing same

 #58
20090140612
2009-06-04

Vibration-Wave Detector

 #59
20080085017
2008-04-10

Loudspeaker and microphone based on the principle of "The Center of Percussion"

 #60
20060159293
2006-07-20

Acoustic device

 #61
20050147274
2005-07-07

Acoustic device

 #62
20050147273
2005-07-07

Acoustic device

 #63
16814572
2020-08-11

Ordered picklist for liquid transfer