ClassID:

245509

Y10T29/49575 - CPC Classification

Classification description:

Metal working; Method of mechanical manufacture; Sound device making including diaphragm or support therefor

Recent Application in this class:
#1
20160373856
2016-12-22

Modular acoustic horns and horn arrays

#2
20160353207
2016-12-01

Loudspeaker assembly configuration

#3
20150264457
2015-09-17

Loudspeaker assembly configuration

#4
20140241567
2014-08-28

Audio speaker with sandwich-structured composite diaphragm

#5
20130015014
2013-01-17

Ceiling speaker assembly

#6
20120201410
2012-08-09

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

#7
20120114136
2012-05-10

SPEAKER DEVICE

#8
20120106773
2012-05-03

SPEAKER DEVICE AND METHOD FOR FORMING SPEAKER DEVICE

#9
20120099753
2012-04-26

Backplate for Microphone

#10
20120080260
2012-04-05

Ceiling speaker assembly

#11
20110069856
2011-03-24

Modular acoustic horns and horn arrays

#12
20110061964
2011-03-17

Method and apparatus for a loudspeaker assembly

#13
20100122866
2010-05-20

Method to personalize a stethoscope

#14
20100040246
2010-02-18

Compound membrane, method of manufacturing the same, and acoustic device

#15
20090324003
2009-12-31

Method and apparatus for a loudspeaker assembly

#16
20090314575
2009-12-24

Holding device for an ultrasonic transducer

#17
20090245547
2009-10-01

Method of manufacturing an electret film

#18
20090154730
2009-06-18

Electrostatic speaker arrangement for a mobile device

#19
20090046880
2009-02-19

Hearing aid ear wax guard and a method for its use

#20
20080277197
2008-11-13

DIAPHRAGM STRUCTURE FOR MICRO-ELECTROACOUSTIC DEVICE

#21
20080247586
2008-10-09

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

#22
20080205689
2008-08-28

Vibrating element for an electroacoustic transducer

#23
20080130939
2008-06-05

Method of making a linkage assembly for a transducer and the like

#24
20080089549
2008-04-17

Loudspeaker diaphragm and method for manufacturing a loudspeaker diaphragm

#25
20070204462
2007-09-06

Loudspeaker gasketing

#26
20070047756
2007-03-01

System of component s usable in the manufacture of an acoustic transducer

#27
20070014427
2007-01-18

Apparatus for Creating Acoustic Energy in a Balanced Receiver Assembly and Manufacturing Method Thereof

#28
20050018867
2005-01-27

Tool for insertion and removal of a hearing aid ear wax guard and a method for its use