ClassID:

232035

H04R19/04 - page 6 - CPC Classification

Classification description:

Electrostatic transducers Microphones

Recent Application in this class:
#1501
20130075836
2013-03-28

Vented MEMS apparatus and method of manufacture

#1502
20130069179
2013-03-21

Acoustic sensor, acoustic transducer, microphone using the acoustic transducer, and method for manufacturing the acoustic transducer

#1503
20130065343
2013-03-14

Method for etching material longitudinally spaced from etch mask

#1504
20130064397
2013-03-14

Microphone amplifier with overload circuit

#1505
20130058509
2013-03-07

MEMS microphone with a built-in textile material protecting screen

#1506
20130056841
2013-03-07

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

#1507
20130056297
2013-03-07

Diaphragm of MEMS electroacoustic transducer

#1508
20130051600
2013-02-28

Unidirectional microphone

#1509
20130051587
2013-02-28

Piezoelectric microphone fabricated on glass

#1510
20130051586
2013-02-28

Piezoelectric microphone fabricated on glass

#1511
20130051583
2013-02-28

High voltage multiplier for a microphone and method of manufacture

#1512
20130051582
2013-02-28

System and method for low distortion capacitive signal source amplifier

#1513
20130044898
2013-02-21

Sensitivity adjustment apparatus and method for MEMS devices

#1514
20130039500
2013-02-14

Trim method for CMOS-MEMS microphones

#1515
20130032936
2013-02-07

Package for a MEMS sensor and manufacturing process thereof

#1516
20130028459
2013-01-31

Monolithic Silicon Microphone

#1517
20130016859
2013-01-17

MEMS microphone overtravel stop structure

#1518
20130010996
2013-01-10

WELDING TYPE CONDENSER MICROPHONE USING CURLING AND METHOD OF ASSEMBLYING THE SAME

#1519
20130010990
2013-01-10

Apparatus and method for driving parasitic capacitances using diffusion regions under a MEMS structure

#1520
20120328132
2012-12-27

Perforated Miniature Silicon Microphone

#1521
20120326249
2012-12-27

MEMS microphone and method for manufacture

#1522
20120321106
2012-12-20

CONDENSER MICROPHONE

#1523
20120319219
2012-12-20

Epitaxial silicon CMOS-MEMS microphones and method for manufacturing

#1524
20120319217
2012-12-20

Method of manufacturing a semiconductor device comprising a membrane over a substrate by forming a plurality of features using local oxidation regions

#1525
20120319174
2012-12-20

CMOS compatible MEMS microphone and method for manufacturing the same

#1526
20120308066
2012-12-06

COMBINED MICRO-ELECTRO-MECHANICAL SYSTEMS MICROPHONE AND METHOD FOR MANUFACTURING THE SAME

#1527
20120308053
2012-12-06

Plate, transducer and methods for making and operating a transducer

#1528
20120300969
2012-11-29

Microphone unit and voice input device comprising same

#1529
20120294464
2012-11-22

MEMS microphone

#1530
20120288130
2012-11-15

Microphone Arrangement

#1531
20120288113
2012-11-15

MICROPHONE

#1532
20120288101
2012-11-15

Stereo microphone

#1533
20120282719
2012-11-08

Methods for forming a micro electro-mechanical device

#1534
20120280335
2012-11-08

MEMS component and a semiconductor component in a common housing having at least one access opening

#1535
20120269367
2012-10-25

Condenser microphone unit and condenser microphone

#1536
20120263334
2012-10-18

Gooseneck condenser microphone

#1537
20120263332
2012-10-18

Condenser microphone unit and condenser microphone

#1538
20120261775
2012-10-18

MEMS microphone device and method for making same

#1539
20120260500
2012-10-18

Method of manufacturing a capacitive transducer

#1540
20120257777
2012-10-11

Microphone unit and voice input device comprising same

#1541
20120250926
2012-10-04

Condenser microphone unit and condenser microphone

#1542
20120250925
2012-10-04

Packages and methods for packaging microphone devices

#1543
20120250910
2012-10-04

Programmable microphone

#1544
20120250898
2012-10-04

Processing chip for a digital microphone and related input circuit and a digital microphone

#1545
20120250897
2012-10-04

Dual cell MEMS assembly

#1546
20120250881
2012-10-04

MICROPHONE BIASING

#1547
20120237072
2012-09-20

Unidirective condenser microphone unit and condenser microphone

#1548
20120235256
2012-09-20

MEMS component having a diaphragm structure

#1549
20120230523
2012-09-13

Electro acoustic transducer

#1550
20120230522
2012-09-13

Electroacoustic sound transducer

#1551
20120224726
2012-09-06

MEMS-microphone

#1552
20120224722
2012-09-06

Method for driving a condenser microphone

#1553
20120217171
2012-08-30

Sensor with movable part and biasing

#1554
20120213400
2012-08-23

Acoustic sensor and microphone

#1555
20120213390
2012-08-23

Condenser microphone

#1556
20120212925
2012-08-23

Component support and assembly having a MEMS component on such a component support

#1557
20120201410
2012-08-09

Microphone unit , voice input device, and method of manufacturing microphone unit

#1558
20120195453
2012-08-02

Unidirectional microphone

#1559
20120193735
2012-08-02

Microelectromechanical system microphone package structure

#1560
20120189152
2012-07-26

Component having a micro-mechanical microphone structure and method for producing the component

#1561
20120189151
2012-07-26

Robust diaphragm for an acoustic device

#1562
20120189143
2012-07-26

Micromechanical Microphone Device and Method for Producing a Micromechanical Microphone Device

#1563
20120181639
2012-07-19

COMPONENT AND METHOD FOR THE MANUFACTURE THEREOF

#1564
20120177229
2012-07-12

Printed circuit board with an acoustic channel for a microphone

#1565
20120170777
2012-07-05

Condenser microphone and head thereof

#1566
20120161260
2012-06-28

Method for packaging a sensor chip, and a component produced using such a method

#1567
20120161259
2012-06-28

Package with a CMOS die positioned underneath a MEMS die

#1568
20120161258
2012-06-28

PACKAGE WITH A CMOS DIE POSITIONED UNDERNEATH A MEMS DIE

#1569
20120161254
2012-06-28

Method of providing a semiconductor structure with forming a sacrificial structure

#1570
20120148083
2012-06-14

Microphone package and method for manufacturing same

#1571
20120146163
2012-06-14

MICROPHONE PACKAGE STRUCTURE AND METHOD FOR FABRICATING THE SAME

#1572
20120139066
2012-06-07

MEMS MICROPHONE

#1573
20120133005
2012-05-31

Collapsed mode capacitive sensor

#1574
20120121106
2012-05-17

Distortion suppression in high-level capable audio amplification circuit

#1575
20120091546
2012-04-19

Microphone

#1576
20120087521
2012-04-12

Microphone package with embedded ASIC

#1577
20120087098
2012-04-12

PACKAGE SUBSTRATE

#1578
20120076329
2012-03-29

Comb sense microphone

#1579
20120076325
2012-03-29

Phantom power circuit

#1580
20120057729
2012-03-08

MEMS MICROPHONE PACKAGE

#1581
20120051575
2012-03-01

Condenser microphone unit and condenser microphone

#1582
20120049298
2012-03-01

MEMS device assembly and method of packaging same

#1583
20120043629
2012-02-23

Surface mount silicon condenser microphone package

#1584
20120033844
2012-02-09

Microphone unit and highly directional microphone

#1585
20120033834
2012-02-09

Apparatus with directivity pattern

#1586
20120033831
2012-02-09

Microphone with adjustable characteristics

#1587
20120025334
2012-02-02

MEMS capacitive microphone

#1588
20120018820
2012-01-26

SEMICONDUCTOR DEVICE

#1589
20120017693
2012-01-26

MEMS dynamic pressure sensor, in particular for applications to microphone production

#1590
20110317863
2011-12-29

Microphone unit

#1591
20110316100
2011-12-29

MEMS MICROPHONE AND METHOD FOR MANUFACTURING SAME

#1592
20110311081
2011-12-22

MEMS MICROPHONE AND MANUFACTURING METHOD THEREOF

#1593
20110311080
2011-12-22

Very low power MEMS microphone

#1594
20110303994
2011-12-15

MEMS DEVICE AND PROCESS

#1595
20110300659
2011-12-08

Method for fabricating MEMS device

#1596
20110299701
2011-12-08

Miniature micro-electromechanical system (MEMS) based directional sound sensor

#1597
20110293128
2011-12-01

SEMICONDUCTOR DEVICE AND MICROPHONE

#1598
20110293127
2011-12-01

Unidirectional condenser microphone unit

#1599
20110293116
2011-12-01

Battery compartment for condenser microphone

#1600
20110293114
2011-12-01

Condenser microphone unit

#1601
20110286610
2011-11-24

Method of forming a miniature, surface microsurfaced differential microphone

#1602
20110278684
2011-11-17

Acoustic sensor

#1603
20110274300
2011-11-10

Spacer for a capacitive microphone and capacitive microphone with the same

#1604
20110272769
2011-11-10

MEMS MICROPHONE PACKAGE AND PACKAGING METHOD

#1605
20110268296
2011-11-03

CONDENSER MICROPHONE ASSEMBLY WITH FLOATING CONFIGURATION

#1606
20110266641
2011-11-03

Silicon condenser microphone having an additional back chamber and a fabrication method therefor

#1607
20110266640
2011-11-03

Acoustic sensor and method of manufacturing the same

#1608
20110266087
2011-11-03

Condenser microphone

#1609
20110261987
2011-10-27

Condenser Microphone

#1610
20110255716
2011-10-20

DIAPHRAGM AND CONDENSER MICROPHONE USING SAME

#1611
20110249830
2011-10-13

Microphone unit

#1612
20110235841
2011-09-29

Microphone unit

#1613
20110235829
2011-09-29

DIAPHRAGM AND SILICON CONDENSER MICROPHONE USING SAME

#1614
20110233692
2011-09-29

Microphone unit and voice input device using same

#1615
20110228957
2011-09-22

Omnidirectional button-style microphone

#1616
20110227177
2011-09-22

MEMS sensor

#1617
20110222717
2011-09-15

Semiconductor device and microphone

#1618
20110222713
2011-09-15

Condenser microphone

#1619
20110210409
2011-09-01

Surface mount silicon condenser microphone package

#1620
20110204457
2011-08-25

Semiconductor device having a base, a cavity, a diaphragm, and a substrate

#1621
20110200212
2011-08-18

Temperature compensated voltage pump

#1622
20110198714
2011-08-18

Packages and methods for packaging MEMS microphone devices

#1623
20110194721
2011-08-11

Headset and headphone

#1624
20110183456
2011-07-28

Method for fabricating MEMS device

#1625
20110182448
2011-07-28

SPACER-INTEGRATED DIAPHRAGM FOR CONDENSER MICROPHONE

#1626
20110179876
2011-07-28

Capacitance type vibration sensor

#1627
20110176692
2011-07-21

Capacitor microphone

#1628
20110172996
2011-07-14

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

#1629
20110170735
2011-07-14

Sound transducer structure and method for manufacturing a sound transducer structure

#1630
20110170729
2011-07-14

MICROPHONE

#1631
20110165720
2011-07-07

Microphone with irregular diaphragm

#1632
20110158453
2011-06-30

MICROPHONE UNIT

#1633
20110158451
2011-06-30

Close-Talking Capacitor Microphone

#1634
20110158449
2011-06-30

Microphone Unit

#1635
20110158439
2011-06-30

Silicon microphone transducer

#1636
20110154905
2011-06-30

Capacitive sensor and manufacturing method thereof

#1637
20110150261
2011-06-23

Capacitive transducer and fabrication method

#1638
20110150246
2011-06-23

Capacitor microphone

#1639
20110142265
2011-06-16

Capacitor microphone unit and capacitor microphone

#1640
20110142261
2011-06-16

MEMS microphone with programmable sensitivity

#1641
20110141854
2011-06-16

ACOUSTIC SENSOR AND METHOD OF FABRICATING THE SAME

#1642
20110140213
2011-06-16

Capacitive vibration sensor

#1643
20110131794
2011-06-09

Methods for making capacitive microphone

#1644
20110127623
2011-06-02

MEMS microphone packaging and MEMS microphone module

#1645
20110123052
2011-05-26

Microphone

#1646
20110116660
2011-05-19

Condenser microphone

#1647
20110110536
2011-05-12

Microphone assembly with integrated self-test circuitry

#1648
20110108933
2011-05-12

MEMS DEVICE

#1649
20110104845
2011-05-05

PRODUCTION METHOD OF MEMS SENSOR

#1650
20110103594
2011-05-05

Stereo microphone unit and stereo microphone

#1651
20110096945
2011-04-28

Microphone unit with internal A/D converter

#1652
20110090009
2011-04-21

Capacitive sensor

#1653
20110089504
2011-04-21

MEMS process and device

#1654
20110085683
2011-04-14

Fully differential low-noise capacitor microphone circuit

#1655
20110075866
2011-03-31

Microphone with backplate having specially shaped through-holes

#1656
20110075865
2011-03-31

Method of fabricating a dual single-crystal backplate microphone

#1657
20110075863
2011-03-31

Condenser microphone

#1658
20110044479
2011-02-24

Condenser microphone

#1659
20110042763
2011-02-24

MEMS device, MEMS device module and acoustic transducer

#1660
20110038497
2011-02-17

Microphone devices and methods for tuning microphone devices

#1661
20110027929
2011-02-03

Method of fabricating micro-electromechanical system microphone structure

#1662
20110026752
2011-02-03

Miniature microphone, protection frame thereof and method for manufacturing the same

#1663
20110024851
2011-02-03

Micro-electromechanical system microphone structure

#1664
20110013787
2011-01-20

MEMS MICROPHONE PACKAGE AND MEHTOD FOR MAKING SAME

#1665
20110007925
2011-01-13

Condenser microphone

#1666
20110003614
2011-01-06

Proximity sensor, in particular microphone for reception of sound signals in the human audible sound range, with ultrasonic proximity estimation

#1667
20110002495
2011-01-06

Method of making sound hole in case of condenser microphone and the condenser microphone case

#1668
20100329487
2010-12-30

Preamplifier circuit for a microelectromechanical capacitive acoustic transducer

#1669
20100329483
2010-12-30

Capacitor microphone

#1670
20100322451
2010-12-23

MEMS microphone

#1671
20100322439
2010-12-23

CAPACITOR MICROPHONE UNIT AND CAPACITOR MICROPHONE

#1672
20100316243
2010-12-16

Condenser microphone unit

#1673
20100315272
2010-12-16

Capacitive transducer circuit and method

#1674
20100310096
2010-12-09

Switchable attenuation circuit for MEMS microphone systems

#1675
20100303273
2010-12-02

Microphone apparatus

#1676
20100303271
2010-12-02

Silicon microphone package

#1677
20100300208
2010-12-02

Capacitive electro-mechanical transducer

#1678
20100290662
2010-11-18

Stray capacitance reduced condenser microphone

#1679
20100290649
2010-11-18

Power supply device for a microphone

#1680
20100289097
2010-11-18

Integrated microphone

#1681
20100284553
2010-11-11

Assembly of a capacitive acoustic transducer of the microelectromechanical type and package thereof

#1682
20100278372
2010-11-04

MEMS microphone with spring suspended backplate

#1683
20100276766
2010-11-04

Shielding for a micro electro-mechanical device and method therefor

#1684
20100272302
2010-10-28

Arrangement comprising a microphone

#1685
20100246876
2010-09-30

Boundary microphone

#1686
20100244162
2010-09-30

MEMS device with reduced stress in the membrane and manufacturing method

#1687
20100237447
2010-09-23

MEMS device and process

#1688
20100202649
2010-08-12

Microphone unit

#1689
20100195864
2010-08-05

Electro-acoustic transducer comprising a MEMS sensor

#1690
20100193886
2010-08-05

MEMS sensor, and MEMS sensor manufacturing method

#1691
20100193885
2010-08-05

CONDENSER MICROPHONE

#1692
20100189301
2010-07-29

Condenser microphone unit

#1693
20100189298
2010-07-29

Unidirectional condenser microphone unit

#1694
20100183174
2010-07-22

Microphone package

#1695
20100177926
2010-07-15

Capacitive electroacoustic transducer and microphone

#1696
20100177922
2010-07-15

CONDENSER MICROPHONE USING THE CERAMIC PACKAGE WHOSE INSIDE IS ENCOMPASSED BY METAL OR CONDUCTIVE MATERIALS

#1697
20100176821
2010-07-15

Acoustic sensor

#1698
20100175242
2010-07-15

Method for packaging micro electromechanical systems microphone

#1699
20100172521
2010-07-08

Electret assembly for a microphone having a backplate with improved charge stability

#1700
20100172518
2010-07-08

Microphone and orientation sensor assembly

#1701
20100166235
2010-07-01

SILICON CONDENSER MICROPHONE

#1702
20100166228
2010-07-01

Apparatus and method for biasing a transducer

#1703
20100158280
2010-06-24

Integrated acoustic transducer in MEMS technology, and manufacturing process thereof

#1704
20100158279
2010-06-24

Integrated acoustic transducer obtained using MEMS technology, and corresponding manufacturing process

#1705
20100142325
2010-06-10

MEMS microphone

#1706
20100135514
2010-06-03

Microphone

#1707
20100135123
2010-06-03

Acoustic sensor element

#1708
20100128914
2010-05-27

Side-ported MEMS microphone assembly

#1709
20100124343
2010-05-20

Condenser microphone

#1710
20100119088
2010-05-13

Capacitive microphone with integrated cavity

#1711
20100117168
2010-05-13

MEMS microphone with single polysilicon film

#1712
20100098282
2010-04-22

Variable directional microphone unit and variable directional microphone

#1713
20100096711
2010-04-22

MICROELECTROMECHANICAL SYSTEM MICROPHONE PACKAGE

#1714
20100084723
2010-04-08

MEMS structure with suspended microstructure that includes dielectric layer sandwiched by plural metal layers and the dielectric layer having an edge surrounded by peripheral metal wall

#1715
20100084721
2010-04-08

Micro-Electromechanical System Microstructure

#1716
20100072561
2010-03-25

Method for fabricating micro-electro-mechanical system (MEMS) device

#1717
20100067728
2010-03-18

Microelectromechanical system microphone structure and microelectromechanical system microphone package structure

#1718
20100065932
2010-03-18

MEMS device, MEMS device module and acoustic transducer

#1719
20100065931
2010-03-18

Method of fabricating micro-electromechanical system microphone structure

#1720
20100065930
2010-03-18

Method of etching sacrificial layer, method of manufacturing MEMS device, MEMS device and MEMS sensor

#1721
20100046780
2010-02-25

Directional silicon condenser microphone having additional back chamber

#1722
20100038734
2010-02-18

Vibration sensor and method for manufacturing the vibration sensor

#1723
20100027830
2010-02-04

Chip-scaled MEMS microphone package

#1724
20100020991
2010-01-28

Diaphragm of MEMS electroacoustic transducer

#1725
20090316935
2009-12-24

Digital microphone

#1726
20090310810
2009-12-17

MEMS microphone package with RF insensitive MEMS microphone chip

#1727
20090309173
2009-12-17

MEMS sensor

#1728
20090290740
2009-11-26

Microphone unit having a plurality of diaphragms and a signal processing unit

#1729
20090285419
2009-11-19

MICROELECTROMECHANICAL SYSTEM MICROPHONE

#1730
20090285418
2009-11-19

Acoustic-electric transducer, electronic device, method, and computer program product

#1731
20090279717
2009-11-12

Circuit module for a condenser microphone

#1732
20090262958
2009-10-22

Comb sense microphone

#1733
20090257614
2009-10-15

Package for micro-electro-mechanical acoustic transducer with improved double side mountable electrodes

#1734
20090245525
2009-10-01

Method and apparatus for real-ear measurements for receiver-in-canal devices

#1735
20090218642
2009-09-03

Microelectromechanical systems component and method of making same

#1736
20090214062
2009-08-27

Transducer assembly

#1737
20090208037
2009-08-20

Silicon microphone without dedicated backplate

#1738
20090202089
2009-08-13

Microphone with reduced parasitic capacitance

#1739
20090190782
2009-07-30

Vibration transducer

#1740
20090185700
2009-07-23

Vibration transducer and manufacturing method therefor

#1741
20090181489
2009-07-16

Microphone manufacturing method

#1742
20090180655
2009-07-16

PACKAGE FOR MEMS MICROPHONE

#1743
20090175477
2009-07-09

Vibration transducer

#1744
20090169034
2009-07-02

Condenser microphone mountable on main PCB

#1745
20090162619
2009-06-25

Method for producing a micromechanical component and mircomechanical component

#1746
20090161890
2009-06-25

Micro-electro-mechanical systems (MEMS) capacitive sensing circuit

#1747
20090154752
2009-06-18

Condenser microphone

#1748
20090152655
2009-06-18

MEMS device

#1749
20090136049
2009-05-28

Device and method for acoustic communication and/or perception in a motor vehicle

#1750
20090116669
2009-05-07

MEMS microphone package having sound hole in PCB

#1751
20090103704
2009-04-23

VOICE INFORMATION PROCESSING DEVICE AND WIRING SYSTEM USING THE SAME DEVICE

#1752
20090095081
2009-04-16

Semiconductor device

#1753
20090092274
2009-04-09

Silicon condenser microphone having additional back chamber and sound hole in PCB

#1754
20090092273
2009-04-09

Silicon microphone with enhanced impact proof structure using bonding wires

#1755
20090090190
2009-04-09

Pressure sensor and manufacturing method therefor

#1756
20090086999
2009-04-02

Acoustic transducer and microphone using the same

#1757
20090074211
2009-03-19

CAPACITOR MICROPHONE AND METHOD FOR MANUFACTURING CAPACITOR MICROPHONE

#1758
20090067659
2009-03-12

Miniature microphone assembly with hydrophobic surface coating

#1759
20090046883
2009-02-19

Surface micromachined differential microphone

#1760
20090045474
2009-02-19

MEMS sensor

#1761
20090041270
2009-02-12

Micro electro mechanical system (MEMS) microphone having a thin-film construction

#1762
20090034773
2009-02-05

MEMS MICROPHONE PACKAGE

#1763
20090026561
2009-01-29

Micromechanical component and corresponding method for its manufacture

#1764
20090020500
2009-01-22

METHOD OF FORMING PASSAGE THROUGH SUBSTRATE FOR MEMS MODULE

#1765
20090016557
2009-01-15

Surface micromachined differential microphone

#1766
20090016550
2009-01-15

MEMS microphone and method for manufacturing the same

#1767
20090010472
2009-01-08

Acoustical grille free from spit moisture maintains frequency to keep realistic and natural sounds

#1768
20090003629
2009-01-01

Programmable microphone

#1769
20080304681
2008-12-11

Microphone with aligned apertures

#1770
20080283988
2008-11-20

Package and packaging assembly of microelectromechanical system microphone

#1771
20080273736
2008-11-06

Electrostatic microphone

#1772
20080267439
2008-10-30

CONDENSER MICROPHONE

#1773
20080247587
2008-10-09

Condenser microphone, S/N ratio improvement therefor, and electronic device therefor

#1774
20080247586
2008-10-09

Microphone unit, close-talking voice input device, information processing system, and method of manufacturing microphone unit

#1775
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Micro-Electro-Mechanical System (Mems) Capacitor Microphone and Method of Manufacturing Thereof

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Condenser microphone package

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Boundary microphone

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Condenser microphone chip

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Condenser microphone

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Acoustic transducer module

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Membrane for a MEMS condenser microphone

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Electro acoustic transducer

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Condenser microphone

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2008-08-14

Microphone with dual transducers

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Signal Amplifying Circuit and Acceleration Sensor Having the Same

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Microphone System with Silicon Microphone Secured to Package Lid

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Apparatus and method using capacitive detection with inherent self-calibration

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Electrostatic capacity sensor

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Selectable diaphragm condenser microphone

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20080144874
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Microphone array with electromagnetic interference shielding means

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20080137886
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Microphone arrangement and method for production thereof

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CAPACITOR MICROPHONE MANUFACTURING METHOD AND CAPACITOR MICROPHONE

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Backplateless silicon microphone

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Monolithic capacitive transducer

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Solar-powered MEMS acoustic sensor and system for providing physical security in a geographical area with use thereof

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20080104825
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Sound transducer structure and method for manufacturing a sound transducer structure

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Microphone

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Microphone Microchip Device with Differential Mode Noise Suppression

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Condenser microphone, microphone unit, and blood pressure gauge