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