Patents-Review.com
ClassID:

232035 ⎘

H04R19/04 - page 3 - CPC Classification

Classification description:

Electrostatic transducers Microphones

Recent Application in this class:
#601
20200045476
2020-02-06

Terminal assembly structure of MEMS microphone

 #602
20200039816
2020-02-06

MEMS microphone device and electronics apparatus

 #603
20200039456
2020-02-06

Monitoring of vehicle window vibrations for voice-command recognition

 #604
20200037081
2020-01-30

Microphone assembly and electronic device comprising a microphone assembly

 #605
20200024134
2020-01-23

MEMS devices and processes

 #606
20200021920
2020-01-16

MEMS microphone and method of manufacturing the same

 #607
20200021919
2020-01-16

Compact electroacoustic transducer and loudspeaker system and method of use thereof

 #608
20200021907
2020-01-16

Cover-baffle-stand system for loudspeaker system and method of use thereof

 #609
20200017357
2020-01-16

MEMS microphone, method of manufacturing the same and MEMS microphone package including the same

 #610
20200015027
2020-01-09

Microphone and method of testing a microphone

 #611
20200015020
2020-01-09

MEMS microphone and method of manufacturing the same

 #612
20200015017
2020-01-09

Method for manufacturing an opening structure and opening structure

 #613
20200010316
2020-01-09

MEMS microphone and preparation method thereof

 #614
20200010315
2020-01-09

Transconductance amplifier

 #615
20200007992
2020-01-02

High performance sealed-gap capacitive microphone with various gap geometries

 #616
20200002160
2020-01-02

MEMS package and method of manufacturing the same

 #617
20190394574
2019-12-26

MEMS microphone chip and MEMS microphone

 #618
20190394573
2019-12-26

MEMS microphone having diaphragm

 #619
20190387326
2019-12-19

Microphone assembly with reduced noise

 #620
20190387325
2019-12-19

MEMS microphone and method of manufacturing the same

 #621
20190386675
2019-12-19

Analog-to-digital converter correcting frequency characteristics and semiconductor device including the same

 #622
20190379984
2019-12-12

MEMS transducer amplifiers

 #623
20190379978
2019-12-12

Miniature receiver

 #624
20190379955
2019-12-12

Gradient micro-electro-mechanical (MEMS) microphone assembly

 #625
20190373376
2019-12-05

MEMS microphone

 #626
20190373375
2019-12-05

Thin and flexible self-powered vibration transducer employing triboelectric nanogeneration

 #627
20190373362
2019-12-05

Pattern-forming microphone array

 #628
20190373361
2019-12-05

Microphone with Selectable Segmented Diaphragm

 #629
20190369236
2019-12-05

METHOD FOR OPERATING A LOUDSPEAKER UNIT, AND LOUDSPEAKER UNIT

 #630
20190367355
2019-12-05

Microelectromechanical transducer

 #631
20190359481
2019-11-28

MEMS assembly and method for producing a MEMS assembly

 #632
20190356988
2019-11-21

Microphone and methods of assembling microphones

 #633
20190356987
2019-11-21

Light guide body for microphone, and microphone

 #634
20190352175
2019-11-21

MEMS sensor, MEMS sensor system and method for producing a MEMS sensor system

 #635
20190345029
2019-11-14

Method for fabricating MEMS device integrated with a semiconductor integrated circuit

 #636
20190345026
2019-11-14

Ramping of sensor power in a microelectromechanical system device

 #637
20190342672
2019-11-07

Condenser microphone and electronic device

 #638
20190342671
2019-11-07

MEMS microphone, method of manufacturing the same and MEMS microphone package including the same

 #639
20190342670
2019-11-07

MEMS microphone, method of manufacturing the same and MEMS microphone package including the same

 #640
20190341955
2019-11-07

Ultrasonic proximity sensing for SAR mitigation

 #641
20190330057
2019-10-31

MEMS device and method of manufacturing a MEMS device

 #642
20190326867
2019-10-24

Interface electronic circuit for a microelectromechanical acoustic transducer and corresponding method

 #643
20190323881
2019-10-24

Vibration sensor with low-frequency roll-off response curve

 #644
20190312556
2019-10-10

Single knob pre-amplifier gain-trim and fader

 #645
20190308873
2019-10-10

Device for transmitting a movement and a force between two zones that are insulated from one another

 #646
20190306641
2019-10-03

MEMS transducer system

 #647
20190306638
2019-10-03

Low-cost hearing aid platforms and methods of use

 #648
20190306633
2019-10-03

Sensor device and manufacturing method thereof

 #649
20190306632
2019-10-03

Active bias of microphone with variable bias resistance

 #650
20190306629
2019-10-03

Condenser MEMS microphone and electronic apparatus

 #651
20190306621
2019-10-03

MEMS devices

 #652
20190306617
2019-10-03

MEMS microphone module

 #653
20190301956
2019-10-03

Pressure sensor and method of producing the same

 #654
20190300361
2019-10-03

MEMS DEVICES AND PROCESSES

 #655
20190297441
2019-09-26

Semiconductor Devices Having a Membrane Layer with Smooth Stress-Relieving Corrugations and Methods of Fabrication Thereof

 #656
20190297430
2019-09-26

Condenser microphone

 #657
20190297429
2019-09-26

Microphone, mobile terminal and electronic device

 #658
20190289405
2019-09-19

Transducer system with configurable acoustic overload point

 #659
20190289404
2019-09-19

Microphone module

 #660
20190273993
2019-09-05

Sensitivity compensation for capacitive MEMS device

 #661
20190272845
2019-09-05

System and method for monitoring dietary activity

 #662
20190270639
2019-09-05

MEMS-sensor

 #663
20190270637
2019-09-05

MEMS assembly

 #664
20190268686
2019-08-29

Method and system for audio sharing

 #665
20190261085
2019-08-22

Digital microphones

 #666
20190260336
2019-08-22

Thermal protection of an amplifier driving a capacitive load

 #667
20190256351
2019-08-22

Membrane components and method for forming a membrane component

 #668
20190253810
2019-08-15

Transducer assemblies and methods

 #669
20190253791
2019-08-15

Top port multi-part surface mount silicon condenser microphone

 #670
20190251945
2019-08-15

Microphone unit and noise reduction device using same, and integrated circuit component

 #671
20190246215
2019-08-08

MEMS microphone

 #672
20190246214
2019-08-08

MEMS microphone

 #673
20190239760
2019-08-08

A STRAIN SENSING ELEMENT, HAVING A FIRST AND SECOND MAGNETIC LAYER AND A THIRD LAYER THAT IS ANTIFERRIMAGNETIC

 #674
20190239001
2019-08-01

Digital microphone assembly with improved frequency response and noise characteristics

 #675
20190239000
2019-08-01

Method for manufacturing a semiconductor die provided with a filtering module, semiconductor die including the filtering module, package housing the semiconductor die, and electronic system

 #676
20190238999
2019-08-01

Microphone

 #677
20190238998
2019-08-01

Microphone

 #678
20190238997
2019-08-01

MEMS microphone

 #679
20190233278
2019-08-01

Pressure sensor, in particular a microphone with improved layout

 #680
20190230448
2019-07-25

Non-occluding feedback-resistant hearing device

 #681
20190230447
2019-07-25

High sensitivity microphone and manufacturing method thereof

 #682
20190230446
2019-07-25

Directional MEMS microphone with correction circuitry

 #683
20190222941
2019-07-18

Piezoelectric microphone

 #684
20190215615
2019-07-11

MEMS microphone

 #685
20190215587
2019-07-11

Microelectromechanical system

 #686
20190210866
2019-07-11

MEMS microphone with tunable sensitivity

 #687
20190208331
2019-07-04

Microphone and pressure sensor package and method of producing the microphone and pressure sensor package

 #688
20190208330
2019-07-04

MEMS component and mobile device comprising the MEMS component

 #689
20190207569
2019-07-04

MEMS capacitive sensor

 #690
20190200147
2019-06-27

System and method for a digital calibration filter device

 #691
20190194013
2019-06-27

Microphone with integrated gas sensor

 #692
20190191245
2019-06-20

APPARATUS AND METHOD TO BIAS MEMS MOTORS

 #693
20190191243
2019-06-20

Microphone system

 #694
20190190473
2019-06-20

Amplifier circuit, corresponding system and device

 #695
20190189106
2019-06-20

Noise-canceling headphones including multiple vibration members and related methods

 #696
20190182605
2019-06-13

Electronic device

 #697
20190182604
2019-06-13

Electronic device and microphone structure with enhanced back cavity

 #698
20190181900
2019-06-13

Two-way communication system and method of use

 #699
20190176192
2019-06-13

Electrostatic transducer and method for manufacturing same

 #700
20190174234
2019-06-06

Capacitive microphone having capability of acceleration noise cancelation

 #701
20190174231
2019-06-06

Spatial low-crosstalk headset

 #702
20190166433
2019-05-30

MEMS microphone

 #703
20190166432
2019-05-30

Sensor with enhanced linearity and acoustic overload point

 #704
20190164536
2019-05-30

Electronic device and control method thereof

 #705
20190158962
2019-05-23

MEMS packaging

 #706
20190141457
2019-05-09

Secure Audio Sensor

 #707
20190141426
2019-05-09

Microelectromechanical microphone

 #708
20190133548
2019-05-09

Wireless stethoscope for transmitting, recording, storing and diagnostic capabilities including an earpiece

 #709
20190132693
2019-05-02

MEMS microphone and method for self-calibration of the MEMS microphone

 #710
20190132682
2019-05-02

Programmable fractional time delay in digitally oversampled microphone systems, circuits, and methods

 #711
20190132662
2019-05-02

Integrated microphone device and manufacturing method thereof

 #712
20190132661
2019-05-02

Device for detecting acoustic waves

 #713
20190131961
2019-05-02

Fractional time delay structures in digitally oversampled microphone systems, circuits, and methods

 #714
20190127217
2019-05-02

MEMS device and processes

 #715
20190124452
2019-04-25

Micro-electro-mechanical systems (MEMS) device and method for fabricating the MEMS

 #716
20190124440
2019-04-25

Microphone assembly with pulse density modulated signal

 #717
20190116429
2019-04-18

MEMS microphone system and method

 #718
20190110133
2019-04-11

Ultrasonic transducer

 #719
20190110126
2019-04-11

MEMS devices and processes

 #720
20190110116
2019-04-11

Gradient micro-electro-mechanical systems (MEMS) microphone

 #721
20190106069
2019-04-11

Monitoring of vehicle window vibrations for voice-command recognition

 #722
20190105011
2019-04-11

Wearable respiratory monitoring system based on resonant microphone array

 #723
20190104351
2019-04-04

Microphone device with integrated pressure sensor

 #724
20190100429
2019-04-04

MEMS DEVICES AND PROCESSES

 #725
20190098419
2019-03-28

Sensor with movable part and biasing

 #726
20190098418
2019-03-28

MEMS microphone system

 #727
20190095228
2019-03-28

Sequential activity intelligent personal assistant

 #728
20190094280
2019-03-28

Sensor arrangement with a capacitive sensor and method for generating an amplified sensor signal with a capacitive sensor

 #729
20190092624
2019-03-28

MEMS component and production method for a MEMS component

 #730
20190090067
2019-03-21

Method for manufacturing a thin filtering membrane and an acoustic transducer device including the filtering membrane

 #731
20190090066
2019-03-21

PVT compensated resistive biasing architecture for a capacitive sensor

 #732
20190090058
2019-03-21

Method for calibrating a microphone and microphone

 #733
20190090048
2019-03-21

Microphone and manufacturing method thereof

 #734
20190090042
2019-03-21

Condenser microphone circuit

 #735
20190084828
2019-03-21

Elevated MEMS device in a microphone with ingress protection

 #736
20190084827
2019-03-21

MEMS microphone

 #737
20190082271
2019-03-14

MEMS microphone and method of manufacturing the same

 #738
20190082270
2019-03-14

MEMS microphone and method of manufacturing the same

 #739
20190082269
2019-03-14

MEMS microphone and method of manufacturing the same

 #740
20190082268
2019-03-14

Microphone and method for manufacturing the same

 #741
20190082261
2019-03-14

Microphone device

 #742
20190081598
2019-03-14

Split signal differential MEMS microphone

 #743
20190077654
2019-03-14

Flush-mount micromachined transducers

 #744
20190075401
2019-03-07

MEMS DEVICES AND PROCESSES

 #745
20190074803
2019-03-07

Amplifier circuit, corresponding system and device

 #746
20190071305
2019-03-07

Double-membrane MEMS component and production method for a double-membrane MEMS component

 #747
20190069095
2019-02-28

Microphone assembly

 #748
20190069094
2019-02-28

Microphone and manufacturing method therefor

 #749
20190069081
2019-02-28

Travel real-time voice translation microphone for mobile phone

 #750
20190068139
2019-02-28

System and method for low distortion capacitive signal source amplifier

 #751
20190067608
2019-02-28

Transistor acoustic sensor element and method for manufacturing the same, acoustic sensor and portable device

 #752
20190058956
2019-02-21

Capacitive MEMS microphone and electronic apparatus

 #753
20190055119
2019-02-21

Directional microphone and associated packing techniques

 #754
20190055117
2019-02-21

Method for producing a MEMS sensor, and MEMS sensor

 #755
20190052976
2019-02-14

MEMS microphone and method of manufacturing the same

 #756
20190052974
2019-02-14

Piezoelectric microphone

 #757
20190052957
2019-02-14

Microphone probe, method, system and computer program product for audio signals processing

 #758
20190052944
2019-02-14

Integrated temperature sensor in microphone package

 #759
20190047849
2019-02-14

MEMS microphone and method of manufacturing the same

 #760
20190045297
2019-02-07

Microphone for a hearing aid

 #761
20190039884
2019-02-07

MEMS sensors, methods for providing same and method for operating a MEMS sensor

 #762
20190036490
2019-01-31

Amplifier circuit for amplifying an output signal of a capacitive sensor

 #763
20190028815
2019-01-24

Multi-device transducer module, apparatus including the transducer module and method of manufacturing the transducer module

 #764
20190028814
2019-01-24

MEMS microphone

 #765
20190023562
2019-01-24

MEMS component and production method for a MEMS component

 #766
20190023561
2019-01-24

Over-under sensor packaging with sensor spaced apart from control chip

 #767
20190020962
2019-01-17

MEMS device and process

 #768
20190020961
2019-01-17

Microphone and manufacturing method thereof

 #769
20190016588
2019-01-17

Microelectromechanical transducer

 #770
20190014421
2019-01-10

Microphone package

 #771
20190014419
2019-01-10

Electret element, microphone having electret element mounted therein and electret element manufacturing method

 #772
20180376270
2018-12-27

Microphone and manufacture thereof

 #773
20180376254
2018-12-27

Microphone with hydrophobic ingress protection

 #774
20180376250
2018-12-27

Microphone

 #775
20180375482
2018-12-27

ADAPTIVE-SNR ULTRA-LOW-POWER ULTRA-LOW-NOISE MICROPHONE

 #776
20180367905
2018-12-20

Vibration Diaphragm and MEMS Microphone Using Same

 #777
20180362332
2018-12-20

Transducer packaging

 #778
20180359571
2018-12-13

Acoustic sensor integrated MEMS microphone structure and fabrication method thereof

 #779
20180359570
2018-12-13

Capacitive-based transducer with high aspect ratio

 #780
20180359551
2018-12-13

Microphone device

 #781
20180352342
2018-12-06

Microphone package

 #782
20180352341
2018-12-06

Microphone with encapsulated moving electrode

 #783
20180352340
2018-12-06

MEMS devices and processes

 #784
20180352339
2018-12-06

MEMS devices and processes

 #785
20180352337
2018-12-06

MEMS sound transducer, MEMS microphone and method for providing a MEMS sound transducer

 #786
20180352062
2018-12-06

Common acoustic transducer and indicator lamp port for electronic devices

 #787
20180348877
2018-12-06

Gesture recognition apparatus and components thereof

 #788
20180343524
2018-11-29

Microphone package for fully encapsulated ASIC and wires

 #789
20180338208
2018-11-22

Microphone and manufacturing method thereof

 #790
20180335503
2018-11-22

VEHICLE SYSTEM USING MEMS MICROPHONE MODULE

 #791
20180332405
2018-11-15

Microphone and manufacturing method thereof

 #792
20180332404
2018-11-15

Method and apparatus to increase audio band microphone sensitivity

 #793
20180332390
2018-11-15

Microelectromechanical systems (MEMS) microphone bias voltage

 #794
20180332377
2018-11-15

System and method for signal read-out using source follower feedback

 #795
20180324522
2018-11-08

Sound pressure gradient microphone

 #796
20180324510
2018-11-08

MEMS multi-module assembly, manufacturing method and electronics apparatus

 #797
20180323755
2018-11-08

Single knob pre-amplifier gain-trim and fader

 #798
20180317033
2018-11-01

MEMS microphone and method for manufacturing the same

 #799
20180317022
2018-11-01

Combined ambient pressure and acoustic MEMS sensor

 #800
20180317021
2018-11-01

Sound transducer with housing and MEMS structure

 #801
20180317019
2018-11-01

ACOUSTIC ACTIVITY DETECTING MICROPHONE

 #802
20180317018
2018-11-01

Microphone and manufacture thereof

 #803
20180315416
2018-11-01

MICROPHONE WITH PROGRAMMABLE PHONE ONSET DETECTION ENGINE

 #804
20180310096
2018-10-25

Offset cartridge microphones

 #805
20180310087
2018-10-25

Sigma delta modulator for sensors

 #806
20180305200
2018-10-25

Apparatus with a high heat capacity and method for producing the same

 #807
20180302727
2018-10-18

MEMS device

 #808
20180302726
2018-10-18

High performance sealed-gap capacitive microphone

 #809
20180302725
2018-10-18

Top port microphone with enlarged back volume

 #810
20180295458
2018-10-11

MEMS sound transducer element and method for producing a MEMS sound transducer element

 #811
20180295454
2018-10-11

Acoustic transducer and microphone using the acoustic transducer

 #812
20180295453
2018-10-11

MEMS microphone modules and wafer-level techniques for fabricating the same

 #813
20180290883
2018-10-11

Forming a microelectromechanical systems (MEMS) device using silicon-on-nothing and epitaxy

 #814
20180288549
2018-10-04

Method for manufacturing a microphone

 #815
20180288547
2018-10-04

MEMS transducer system and associated methods

 #816
20180288532
2018-10-04

MEMS device having novel air flow restrictor

 #817
20180288528
2018-10-04

Microphone and manufacturing method thereof

 #818
20180288526
2018-10-04

Band-pass acoustic filter and acoustic sensing apparatus

 #819
20180282149
2018-10-04

Transducer apparatus and methods

 #820
20180279058
2018-09-27

Microphone and manufacture thereof

 #821
20180279057
2018-09-27

MEMS transducer package

 #822
20180279056
2018-09-27

Electronic device including directional MEMS microphone assembly

 #823
20180279053
2018-09-27

Flexible MEMS printed circuit board unit and sound transducer assembly

 #824
20180279031
2018-09-27

Microphone and manufacture thereof

 #825
20180273372
2018-09-27

MEMS devices and processes

 #826
20180270588
2018-09-20

MEMS transducer amplifiers

 #827
20180270587
2018-09-20

Differential MEMS microphone

 #828
20180262845
2018-09-13

MEMS microphone and method for manufacturing the same

 #829
20180262844
2018-09-13

MEMS sound transducer, MEMS microphone and method for providing a MEMS sound transducer

 #830
20180255403
2018-09-06

Microphone with a resonator

 #831
20180255402
2018-09-06

Capacitive MEMS device, capacitive MEMS sound transducer, method for forming a capacitive MEMS device, and method for operating a capacitive MEMS device

 #832
20180254147
2018-09-06

Face Down MLCC

 #833
20180249257
2018-08-30

Capacitive transducer and acoustic sensor

 #834
20180249242
2018-08-30

Top port multi-part surface mount MEMS microphone

 #835
20180249235
2018-08-30

Gradient micro-electro-mechanical systems (MEMS) microphone with varying height assemblies

 #836
20180246206
2018-08-30

Method for detecting proximity of object and electronic device using the same

 #837
20180244516
2018-08-30

MEMS DEVICE AND PROCESS

 #838
20180242092
2018-08-23

MEMS MICROPHONE CHIP TRIMMING METHOD, APPARATUS, MANUFACTURING METHOD AND MICROPHONE

 #839
20180242067
2018-08-23

Microphone unit

 #840
20180242065
2018-08-23

Microphone

 #841
20180237292
2018-08-23

Semiconductor device, microphone and methods for forming a semiconductor device

 #842
20180234774
2018-08-16

Microelectromechanical microphone

 #843
20180234762
2018-08-16

Microphone system having high acoustical overload point

 #844
20180234761
2018-08-16

Low-noise driver and low-noise receiver for self-mix module

 #845
20180234751
2018-08-16

Multiple MEMS motor apparatus with common vent

 #846
20180222749
2018-08-09

Membrane components and method for forming a membrane component

 #847
20180220244
2018-08-02

Microphone unit with a housing and hearing aid having the microphone unit

 #848
20180220240
2018-08-02

Microphone and manufacturing method thereof

 #849
20180220216
2018-08-02

Integrated particle and light filter for MEMS device

 #850
20180215609
2018-08-02

Integrated particle filter for MEMS device

 #851
20180213334
2018-07-26

Microelectromechanical microphone

 #852
20180213311
2018-07-26

Top port microphone and method for the production of same

 #853
20180208455
2018-07-26

MEMS microphone and method for manufacturing the same

 #854
20180206049
2018-07-19

Acoustic pressure reducer and engineered leak

 #855
20180206043
2018-07-19

AN ULTRA-LOW-POWER ULTRA-LOW-NOISE MICROPHONE

 #856
20180206042
2018-07-19

MEMS microphone maximum sound pressure level extension

 #857
20180201504
2018-07-19

MEMS device and method of manufacturing a MEMS device

 #858
20180201498
2018-07-19

Micro-electro-mechanical system structure and method for forming the same

 #859
20180199125
2018-07-12

ACOUSTIC TRANSMIT-RECEIVE TRANSDUCER

 #860
20180192218
2018-07-05

Process of fabricating lateral mode capacitive microphone

 #861
20180192206
2018-07-05

Lateral mode capacitive microphone with acceleration compensation

 #862
20180192205
2018-07-05

Lateral mode capacitive microphone

 #863
20180191389
2018-07-05

Two-way communication system and method of use

 #864
20180188212
2018-07-05

Detecting device for detecting photoacoustic elastic waves

 #865
20180186623
2018-07-05

FET based sensory systems

 #866
20180186622
2018-07-05

Micro-electromechanical transducer

 #867
20180184212
2018-06-28

Capacitive transducer and acoustic sensor

 #868
20180184211
2018-06-28

Capacitive transducer and acoustic sensor

 #869
20180176693
2018-06-21

Acoustic transducer

 #870
20180167744
2018-06-14

TRANSDUCER PACKAGING

 #871
20180167741
2018-06-14

Capacitive transducer system, capacitive transducer, and acoustic sensor

 #872
20180167730
2018-06-14

MICROELECTROMECHANICAL SYSTEMS (MEMS) MICROPHONE FEEDBACK FILTERING

 #873
20180167727
2018-06-14

Microphone assembly with pulse density modulated signal

 #874
20180167709
2018-06-14

Microphone having a sound delay filter

 #875
20180162725
2018-06-14

MEMS device integrated with a semiconductor integrated circuit and manufacturing method thereof

 #876
20180160234
2018-06-07

A SYSTEM AND METHOD OF A CAPACITIVE MICROPHONE

 #877
20180160233
2018-06-07

Sensing device

 #878
20180152798
2018-05-31

Microelectromechanical systems microphone with electrostatic force feedback to measure sound pressure

 #879
20180152794
2018-05-31

Biasing of electromechanical systems transducer with alternating-current voltage waveform

 #880
20180152793
2018-05-31

MEMS device and method for producing a MEMS device

 #881
20180152788
2018-05-31

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MEMS devices and processes

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20180146302
2018-05-24

MEMS MICROPHONE PACKAGE STRUCTURE AND METHOD FOR MANUFACTURING THE MEMS MICROPHONE PACKAGE STRUCTURES

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20180146301
2018-05-24

Circuit for providing a high and a low impedance and a system comprising the circuit

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20180146300
2018-05-24

MICRO-SILICON MICROPHONE AND FABRICATION METHOD THEREOF

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20180146299
2018-05-24

Microphone and manufacturing method thereof

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20180146297
2018-05-24

Method for operating a sensor, and sensor

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20180146295
2018-05-24

Transducer with a high sensitivity

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20180146286
2018-05-24

Phase correcting system and a phase correctable transducer system

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20180139544
2018-05-17

MEMS microphone

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20180139543
2018-05-17

Sound converter arrangement with MEMS sound converter

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20180139536
2018-05-17

Differential amplifier circuit for a capacitive acoustic transducer and corresponding capacitive acoustic transducer

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20180139534
2018-05-17

Laser microphone utilizing speckles noise reduction

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20180137981
2018-05-17

Face Down MLCC

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20180136065
2018-05-17

Hydrogel microphone

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20180132043
2018-05-10

Self-mix utilizing laser multi-beam

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20180124521
2018-05-03

Piezoelectric MEMS sensor, such as force, pressure, deformation sensor or microphone, with improved sensitivity

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2018-05-03

Piezoelectric element including mesoporous piezoelectric thin film

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20180122356
2018-05-03

Microphone system and method for manufacturing the same

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20180115838
2018-04-26

MEMS microphone