Patents for H04R 11 - Transducers of moving-armature or moving-core type (1,828)
12/2005
12/21/2005CN1232947C Electroacoustic transducer
12/15/2005WO2005120128A2 Method of detecting and deterring microphone sabotage
12/15/2005US20050276433 Magnetic assembly for a transducer
12/13/2005US6975740 Waterproof acoustic structure applicable in conjunction with speaker
12/08/2005US20050271244 Resin frame, resin grille and speaker device
12/08/2005US20050271241 Speaker device
12/08/2005US20050271239 Speaker device
12/01/2005US20050265571 Method of detecting and deterring microphone sabotage
11/2005
11/30/2005CN1230036C Electroacustic converter and structure for connecting same
11/30/2005CN1229771C Electromagnetic sounder
11/24/2005US20050261544 Totally implantable hearing system
11/23/2005EP1532838A4 Electro-dynamic planar loudspeakers
11/22/2005US6968071 Speaker having magnetic member installed on diaphragm
11/03/2005WO2005104603A1 Microphone assembly with preamplifier and manufacturing method thereof
10/2005
10/20/2005US20050231587 Integrated desktop videoconferencing system
10/19/2005CN1685760A Drive mechanism
10/13/2005US20050226454 Recessed speaker box and mount
10/06/2005WO2005094123A1 Totally implantable hearing system
10/06/2005US20050220320 Speaker for mobile terminals and manufacturing method thereof
10/05/2005CN1678131A Speaker for mobile terminals and manufacturing method thereof
10/05/2005CN1222186C Electric-mechanical-acoustic transducer
09/2005
09/29/2005US20050213789 Component arranged directly on a t-coil
09/29/2005US20050213787 Microphone assembly with preamplifier and manufacturing method thereof
09/22/2005WO2005086734A2 Electro-acoustic transducer
09/22/2005CA2557038A1 Electro-acoustic transducer
09/15/2005WO2005086531A1 Loudspeaker
09/15/2005US20050201586 Electro-acoustic transducer
09/08/2005US20050194203 Planar speaker edge
09/01/2005US20050190945 Shorting ring fixture for electromagnetic transducer
09/01/2005US20050190944 Unidirectional condenser microphone unit
08/2005
08/31/2005CN1663322A Electro-dynamic planar loudspeakers
08/18/2005US20050180590 Loudspeaker with field replaceable parts and method of assembly
08/17/2005EP1563711A1 An apparatus for energy transfer in a balanced receiver assembly and manufacturing method thereof
08/17/2005EP1563710A1 An apparatus for creating acoustic energy in a balanced receiver assembly and manufacturing method thereof
08/17/2005CN1215737C Electro-acoustic converter
08/11/2005US20050175212 Speaker apparatus
08/11/2005US20050175209 Integrated Speaker Device
08/10/2005CN1652635A 扬声器设备 Speaker Equipment
08/04/2005WO2005072009A1 Armature for a receiver
08/03/2005CN1213633C Bone conduction speaker
07/2005
07/28/2005US20050163332 Luminescence speaker unit
07/21/2005US20050157904 Acoustically enhanced electro-dynamic loudspeakers
07/21/2005US20050157901 Sound collector
07/20/2005EP1555850A1 Receiver for hearing aid having an improved bobbin
07/20/2005CN1642358A Receiver for hearing aid having an improved bobbin
07/14/2005US20050152574 Receiver having an improved bobbin
07/14/2005US20050152564 Speaker having a transparent panel
06/2005
06/29/2005CN1633211A Echo tube construction of loudspeaker and mounting structure thereof
06/23/2005US20050135653 Acoustically enhanced electro-dynamic loudspeakers
06/23/2005US20050135651 Means at electromagnetic vibrator
06/23/2005US20050135648 Mechanical acoustic filter by erosion etching
06/22/2005EP1543702A2 Drive mechanism
06/21/2005US6909613 Assembly comprising an electrical element
06/16/2005US20050129265 Exciter for directly vibrating board and speaker apparatus used the same
06/16/2005US20050129260 Injection method of inserting spring into multifunctional actuator
06/09/2005US20050123166 Structure of speaker
06/08/2005CN1205840C Electroacoustic transducer having moving coil and having elastic holding elements with the connecting leads of the moving coil
06/02/2005US20050117772 Thin type speaker having a damper
06/02/2005US20050117769 Surface-placed sound capturing microphone with rotatable cable connecting member
05/2005
05/26/2005US20050111688 Electroacoustic transducer with a diaphragm and method for fixing a diaphragm in such transducer
05/25/2005EP1532838A2 Electro-dynamic planar loudspeakers
05/17/2005CA2450377C Magnetic transducers of improved resistance to arbitrary mechanical shock
05/12/2005WO2005043952A1 Sound generating transducer
05/12/2005WO2004103018A3 Apparatus and method for generating acoustic energy in a receiver assembly
05/05/2005US20050094843 Sound generating transducer
04/2005
04/28/2005US20050090705 Middle ear implant transducer and vibrating member adapted thereto
04/26/2005US6883384 Force sensing device having magnetized element and magneto electric material
04/20/2005EP1524880A2 Speaker and method of manufacturing the same
04/20/2005CN1607863A Speaker and method of manufacturing the same
04/14/2005US20050078849 Speaker and method of manufacturing the same
04/12/2005US6879700 Speaker and its production method of the same
04/07/2005WO2004064483A3 Actuator for an active noise control system
03/2005
03/17/2005WO2005024360A1 Vibration sensor
03/17/2005CA2523109A1 Vibration sensor
03/09/2005CN1592496A Electric energy-mechanical vibration converter
03/03/2005US20050047626 Adjustable loudspeaker
03/03/2005US20050047621 Multifunction transducer and method of driving
02/2005
02/24/2005WO2004103019A3 Apparatus and method for generating acoustic energy in a receiver assembly
02/23/2005CN1190984C Multifunctional audio device
02/17/2005US20050036647 Acoustic transducer with mechanical balancing
02/17/2005US20050036646 Magnet retention system in planar loudspeakers
02/15/2005US6855104 Implantable transducer for hearing aids and process for tuning the frequency response of one such transducer
02/09/2005EP1504630A1 Means at electromagnetic vibrator
02/09/2005CN1578538A Integrated base and electret capacitor microphone using the same base
02/03/2005WO2004030407B1 Drive mechanism
02/03/2005US20050025328 Integrated base and electret condenser microphone using the same
02/02/2005EP1503611A2 Integrated base and electret condenser microphone using the same
01/2005
01/19/2005CN2673018Y Thin type speaker with spring wave
01/06/2005US20050002542 Apparatus and method for creating acoustic energy in a receiver assembly with improved diaphragms-linkage arrangement
01/04/2005US6839443 Bone conduction speaker
12/2004
12/23/2004US20040258260 Apparatus and method for generating acoustic energy in a receiver assembly
12/21/2004US6834114 Multifunction acoustic device
12/15/2004EP1402756B1 Magnetic transducers of improved resistance to arbitrary mechanical shock
12/14/2004US6831428 Vibrator controlling circuit
12/08/2004CN1554208A Miniature speaker with integrated signal processing electronics
11/2004
11/25/2004WO2004103019A2 Apparatus and method for generating acoustic energy in a receiver assembly
11/25/2004WO2004103018A2 Apparatus and method for generating acoustic energy in a receiver assembly
11/25/2004WO2004030407A3 Drive mechanism
11/25/2004US20040237111 Multimedia and entertainment system for an automobile
10/2004
10/21/2004US20040208338 Twin magnetic loop multifunctional vibrator-speaker transducer
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