ClassID:

232011

H04R11/04 - CPC Classification

Classification description:

Transducers of moving-armature or moving-core type Microphones

Recent Application in this class:
#1
20210168515
2021-06-03

Composite diaphragms having balanced stress

#2
20200186932
2020-06-11

Balanced armature receiver with bi-stable balanced armature

#3
20200131024
2020-04-30

MEMS sensor

#4
20190238994
2019-08-01

Armature-based acoustic receiver having improved output and method

#5
20190069091
2019-02-28

Diaphragm, a sound generator, a hearing device and a method

#6
20190014426
2019-01-10

Hearing assistance device transducers and hearing assistance devices with same

#7
20180146297
2018-05-24

Method for operating a sensor, and sensor

#8
20170164115
2017-06-08

Balanced armature receiver with bi-stable balanced armature

#9
20160366511
2016-12-15

Flat-panel acoustic apparatus

#10
20160227328
2016-08-04

Receiver having a suspended motor assembly

#11
20160192087
2016-06-30

Hybrid receiver module

#12
20160183005
2016-06-23

Shared coil receiver

#13
20160165354
2016-06-09

Receiver with coil wound on a stationary ferromagnetic core

#14
20160112813
2016-04-21

Control button configurations for auditory prostheses

#15
20160088389
2016-03-24

Microphone system with non-orthogonally mounted microphone die

#16
20150373456
2015-12-24

Torsion Diaphragm Apparatus

#17
20150373444
2015-12-24

Microphone

#18
20150156582
2015-06-04

Counter balancing apparatus for moving-iron bone-conducted sound receiving device

#19
20150141740
2015-05-21

Distributed resonator

#20
20150086049
2015-03-26

Increased compliance flat reed transducer

#21
20150036844
2015-02-05

Apparatus in an acoustic assembly for registering assembly parts

#22
20140369548
2014-12-18

Formed diaphragm frame for receiver

#23
20140205127
2014-07-24

Microphone system with non-orthogonally mounted microphone die

#24
20130322675
2013-12-05

Sensor module

#25
20120017693
2012-01-26

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

#26
20110255732
2011-10-20

MULTIFUNCTIONAL MICRO SPEAKER

#27
20110255731
2011-10-20

Transducer for stapedius monitoring

#28
20110142264
2011-06-16

Condenser microphone

#29
20100208929
2010-08-19

MICROPHONE HAVING REAR PHASE REJECTION COLLECTION TUBE

#30
20090279730
2009-11-12

Shock-Absorbing Apparatus for a Ribbon Microphone Housing

#31
20090097686
2009-04-16

Boundary microphone

#32
20090022351
2009-01-22

TOOTH-MAGNET MICROPHONE FOR HIGH NOISE ENVIRONMENTS

#33
20070258610
2007-11-08

Microphone for a hearing aid

#34
20070195985
2007-08-23

Speaker with auxiliary air hole

#35
20070195983
2007-08-23

Combination wind screen and microphone shock mount

#36
20060239488
2006-10-26

Acoustic receiver having improved mechanical suspension

#37
20060109999
2006-05-25

Electro-acoustical transducer and a transducer assembly

#38
20060093177
2006-05-04

Microphone attachment device

#39
12834682
2016-08-16

Top port MEMS microphone package and method