ClassID:

232023

H04R17/02 - page 2 - CPC Classification

Classification description:

Piezo-electric transducers; Electrostrictive transducers Microphones

Recent Application in this class:
#301
20170238100
2017-08-17

Electro-acoustic transducer

#302
20170162216
2017-06-08

Spectral recognition of percussive sounds

#303
20170150248
2017-05-25

Acoustic filtering

#304
20170142524
2017-05-18

Directional microphone and associated packing techniques

#305
20170142523
2017-05-18

Embedded lighting, microphone, and speaker features for composite panels

#306
20170137282
2017-05-18

Waterproof microphone and associated packing techniques

#307
20170134850
2017-05-11

Ceiling tile microphone

#308
20170125009
2017-05-04

System and method for synthesizing human speech

#309
20170069821
2017-03-09

Piezoelectric device

#310
20170064459
2017-03-02

Detachable microphone and method of manufacturing the same

#311
20170041692
2017-02-09

Ingress protection for reducing particle infiltration into acoustic chamber of a MEMS microphone package

#312
20170026763
2017-01-26

Directional location of sound sources

#313
20170026759
2017-01-26

MICROPHONE WITH WIND NOISE RESISTANCE

#314
20170026754
2017-01-26

MEMS component including a sound-pressure-sensitive diaphragm element and piezosensitive signal detection

#315
20170022047
2017-01-26

MEMS component including a diaphragm element which is attached via a spring structure to the component layer structure

#316
20170022046
2017-01-26

MEMS component including a sound-pressure-sensitive diaphragm element

#317
20170006385
2017-01-05

Audio sensing device and method of acquiring frequency information

#318
20160366511
2016-12-15

Flat-panel acoustic apparatus

#319
20160337761
2016-11-17

SURFACE MICROMACHINED MICROPHONE WITH BROADBAND SIGNAL DETECTION

#320
20160302003
2016-10-13

SENSING NON-SPEECH BODY SOUNDS

#321
20160302002
2016-10-13

Band-limited beamforming microphone array

#322
20160295333
2016-10-06

Entrained microphones

#323
20160284974
2016-09-29

Piezoelectric device

#324
20160277847
2016-09-22

MEMS and/or NEMS dynamic pressure sensor with improved performances and microphone comprising such a sensor

#325
20160277844
2016-09-22

System and method for an acoustic transducer and environmental sensor package

#326
20160254438
2016-09-01

Piezoelectric thin film, manufacturing method therefor, and piezoelectric element

#327
20160221822
2016-08-04

System and method for an integrated transducer and temperature sensor

#328
20160219378
2016-07-28

Multi-mode microphones

#329
20160219375
2016-07-28

Multi-mode Microphones

#330
20160219374
2016-07-28

Multi-mode microphones

#331
20160150326
2016-05-26

Microphone and method of manufacturing a structure for delaying the phase of sound input

#332
20160150321
2016-05-26

MICRO PHONE AND METHOD OF MANUFACTURING THE SAME

#333
20160147293
2016-05-26

DEVICE AND METHOD FOR CONTROLLING A PLURALITY OF INPUT/OUTPUT DEVICES

#334
20160142828
2016-05-19

Microphone sensor

#335
20160134973
2016-05-12

Secure audio sensor

#336
20160134965
2016-05-12

Apparatus, system and method for underwater voice communication by a diver

#337
20160088401
2016-03-24

Microphone and method of manufacturing the same

#338
20160088400
2016-03-24

Microphone and method for manufacturing the same

#339
20160088389
2016-03-24

Microphone system with non-orthogonally mounted microphone die

#340
20160087015
2016-03-24

Organic light emitting display devices and methods of manufacturing organic light emitting display devices

#341
20160050506
2016-02-18

Audio sensing device and method of acquiring frequency information

#342
20160033793
2016-02-04

Transparent lens microphone

#343
20160015973
2016-01-21

Cochlear implant apparatus for active feedback control and active feedback control method for the same

#344
20150373444
2015-12-24

Microphone

#345
20150350792
2015-12-03

Piezoelectric MEMS microphone

#346
20150350774
2015-12-03

VAD detection microphone and method of operating the same

#347
20150326967
2015-11-12

Electronic device

#348
20150271606
2015-09-24

Acoustic transducer with gap-controlling geometry and method of manufacturing an acoustic transducer

#349
20150256913
2015-09-10

MEMS sensor structure for sensing pressure waves and a change in ambient pressure

#350
20150245146
2015-08-27

MEMS microphone device

#351
20150245144
2015-08-27

Loudspeaker with piezoelectric elements

#352
20150215706
2015-07-30

MEMS microphone

#353
20150195658
2015-07-09

MEMS microphone with spring suspended backplate

#354
20150189445
2015-07-02

Wide dynamic range microphone

#355
20150189444
2015-07-02

Capacitive MEMS microphone with insulating support between diaphragm and back plate

#356
20150189443
2015-07-02

Silicon Condenser Microphone

#357
20150189423
2015-07-02

Audio signal output device and method of processing an audio signal

#358
20150181346
2015-06-25

Directional MEMS microphone and receiver device

#359
20150146888
2015-05-28

MEMS MICROPHONE PACKAGE AND METHOD OF MANUFACTURING THE SAME

#360
20150146887
2015-05-28

Microphone on printed circuit board (PCB)

#361
20150146885
2015-05-28

Systems and methods for providing a wideband frequency response

#362
20150141740
2015-05-21

Distributed resonator

#363
20150131819
2015-05-14

Microphone package and method for generating a microphone signal

#364
20150131812
2015-05-14

MEMS microphone assembly and method of operating the MEMS microphone assembly

#365
20150110301
2015-04-23

Throat microphone

#366
20150110296
2015-04-23

System and method for transducer biasing and shock protection

#367
20150098593
2015-04-09

SOUND RECEIVER AND METHOD FOR MANUFACTURING THE SAME

#368
20150078582
2015-03-19

Integrated beamforming microphone array and ceiling or wall tile

#369
20150043755
2015-02-12

VAD detection microphone and method of operating the same

#370
20150043750
2015-02-12

Electronic device and method for controlling electronic device

#371
20140369534
2014-12-18

SOUND PICKUP SYSTEM AND TERMINAL DEVICE USING THE SAME

#372
20140358038
2014-12-04

Automatic monitoring for and detection of tissue pop

#373
20140355791
2014-12-04

Multifunctional earphone

#374
20140348345
2014-11-27

VAD detection microphone and method of operating the same

#375
20140341392
2014-11-20

Augmentation of a beamforming microphone array with non-beamforming microphones

#376
20140339657
2014-11-20

Piezoelectric MEMS microphone

#377
20140270262
2014-09-18

Adjustable biasing circuits for MEMS capacitive microphones

#378
20140205127
2014-07-24

Microphone system with non-orthogonally mounted microphone die

#379
20140203684
2014-07-24

Ultrasonic generation device

#380
20140161287
2014-06-12

Electronic device and sound capturing method

#381
20140098978
2014-04-10

Sound generator and sound-generating apparatus

#382
20140053650
2014-02-27

Acoustic sensor

#383
20140035440
2014-02-06

Piezoelectric device

#384
20130329920
2013-12-12

Piezoelectric MEMS microphone

#385
20130322675
2013-12-05

Sensor module

#386
20130061438
2013-03-14

Method of manufacturing a piezoelectric speaker

#387
20130051587
2013-02-28

Piezoelectric microphone fabricated on glass

#388
20120321100
2012-12-20

Wide dynamic range microphone

#389
20120294119
2012-11-22

DEVICE FOR DETECTING ACOUSTIC WAVES AND A SYSTEM FOR LOCATING A SOURCE OF ACOUSTIC WAVES

#390
20120270352
2012-10-25

Fabricating MEMS composite transducer including compliant membrane

#391
20120250909
2012-10-04

Acoustic transducer with gap-controlling geometry and method of manufacturing an acoustic transducer

#392
20120213388
2012-08-23

Unidirectional mechanical amplification in a microphone

#393
20120180788
2012-07-19

Apparatus, system and method for underwater voice communication by a diver

#394
20120099401
2012-04-26

SENSOR AND SENSING METHOD

#395
20120027236
2012-02-02

Acoustic pressure transducer

#396
20120008805
2012-01-12

Acoustic Transducer Unit

#397
20120001275
2012-01-05

SEMICONDUCTOR DEVICE

#398
20110319021
2011-12-29

INTRA-ORAL TISSUE CONDUCTION MICROPHONE

#399
20110249853
2011-10-13

Acoustic energy transducer

#400
20110222708
2011-09-15

Biology-inspired miniature system and method for sensing and localizing acoustic signals

#401
20110222369
2011-09-15

Acoustic transducer with a liquid-filled porous medium backing and methods of making and using same

#402
20110182443
2011-07-28

ELECTRONIC DEVICE HAVING A CONTACT MICROPHONE

#403
20110172996
2011-07-14

VOICE INPUT DEVICE, METHOD FOR MANUFACTURING THE SAME, AND INFORMATION PROCESSING SYSTEM

#404
20110141854
2011-06-16

ACOUSTIC SENSOR AND METHOD OF FABRICATING THE SAME

#405
20110135123
2011-06-09

Piezoelectric speaker and method of manufacturing the same

#406
20110088234
2011-04-21

Temperature control of micromachined transducers

#407
20110006286
2011-01-13

Transverse force, pressure and vibration sensors using piezoelectric nanostructures

#408
20100327702
2010-12-30

Temperature control of micromachined transducers

#409
20100278372
2010-11-04

MEMS microphone with spring suspended backplate

#410
20100272302
2010-10-28

Arrangement comprising a microphone

#411
20100254547
2010-10-07

Piezoelectric MEMS microphone

#412
20100195851
2010-08-05

Active temperature control of piezoelectric membrane-based micro-electromechanical devices

#413
20100172519
2010-07-08

Bone-conduction microphone built-in headset

#414
20100156238
2010-06-24

Piezoelectric acoustic transducer and method of fabricating the same

#415
20100124344
2010-05-20

Piezoelectric body module and manufacturing method therefor

#416
20100117485
2010-05-13

PIEZOELECTRIC TRANSDUCERS WITH NOISE-CANCELLING ELECTRODES

#417
20100056851
2010-03-04

Piezoelectric nanowire vibration sensors

#418
20100007243
2010-01-14

Piezoelectric component

#419
20090316916
2009-12-24

Wide dynamic range microphone

#420
20090302712
2009-12-10

Ultrasonic sensor having stable anisotropy in directional properties

#421
20090229345
2009-09-17

PHOTOACOUSTIC SPECTROSCOPY DETECTOR AND SYSTEM

#422
20090140612
2009-06-04

Vibration-Wave Detector

#423
20090129611
2009-05-21

Microphone Membrane And Microphone Comprising The Same

#424
20090085439
2009-04-02

Ultrasonic sensor

#425
20090052699
2009-02-26

Microphone component and a method for its manufacture

#426
20090043149
2009-02-12

Hearing implant

#427
20090031818
2009-02-05

Piezo resistive pressure sensor

#428
20080267431
2008-10-30

MEMS microphone

#429
20080247585
2008-10-09

Electrical module comprising a MEMS microphone

#430
20080122320
2008-05-29

Transducers with annular contacts

#431
20080122317
2008-05-29

Multi-layer transducers with annular contacts

#432
20080101625
2008-05-01

Piezoelectric microphones

#433
20080085017
2008-04-10

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

#434
20080013775
2008-01-17

Noise attenuating headset

#435
20070287233
2007-12-13

Piezo-TFT cantilever MEMS fabrication

#436
20070284971
2007-12-13

ELECTRONIC DEVICE

#437
20070269073
2007-11-22

Earphone with microphone

#438
20070247782
2007-10-25

DIELECTRIC DEVICE

#439
20070195983
2007-08-23

Combination wind screen and microphone shock mount

#440
20070023851
2007-02-01

MEMS pixel sensor

#441
20070001551
2007-01-04

Sonic sensor and diaphragm

#442
20060291677
2006-12-28

High-fidelity piezoelectric contact-type microphone structure

#443
20060072772
2006-04-06

Piezoelectric loudspeaker

#444
20060067554
2006-03-30

Microphone assembly

#445
20050196008
2005-09-08

Method and apparatus for tooth bone conduction microphone

#446
20050193822
2005-09-08

Piezoelectric cantilever pressure sensor

#447
20050130360
2005-06-16

Piezo-TFT cantilever MEMS

#448
20050113633
2005-05-26

Implantable converter for cochlea implants and implantable hearing aids

#449
20050111687
2005-05-26

Noise attenuating headset

#450
18201174
2023-10-31

Piezoelectric mems microphone chip and piezoelectric mems microphone

#451
18152498
2024-04-02

Ceiling tile microphone

#452
17647213
2025-02-11

Method of making acoustic devices with edge corrugation

#453
17647209
2023-11-14

Acoustic devices with edge corrugation

#454
17647208
2026-02-10

Acoustic devices with directional reinforcement

#455
17529658
2024-04-23

System and method for empirical estimation of life remaining in industrial equipment

#456
17506309
2022-05-10

Head-gear mounted bone-conducting microphone

#457
17133026
2022-06-14

Miniature folded transducer

#458
17111759
2022-04-05

Ceiling tile microphone

#459
17110898
2022-04-12

Ceiling tile microphone

#460
16872557
2023-03-07

Ceiling tile microphone system

#461
16821983
2020-12-15

Audio apparatus and audio method thereof

#462
16814572
2020-08-11

Ordered picklist for liquid transfer

#463
16396599
2020-07-21

Methods and systems for modifying sound waves passing through a wall

#464
16274455
2019-11-19

Low-power MEMS wakeup system

#465
16164479
2021-06-22

Voice-coded finder and radiotag tracker

#466
15929703
2022-02-01

Ceiling tile beamforming microphone array system

#467
15834287
2019-01-08

Omnidirectional acoustic sensor

#468
15822712
2019-04-30

Personal status monitoring using piezoelectric transducer

#469
15084422
2020-06-02

Wearable device with bone conduction microphone

#470
14970175
2017-05-09

Absolute sensitivity of a MEMS microphone with capacitive and piezoelectric electrodes

#471
14013049
2015-01-13

Micro electro-mechanical system (MEMS) microphone device with multi-sensitivity outputs and circuit with the MEMS device

#472
13764027
2015-11-10

Piezo element stethoscope