Patents for H04R 11 - Transducers of moving-armature or moving-core type (1,828) |
---|
03/26/2003 | CN1406449A Bone conduction speaker |
03/20/2003 | WO2003024149A1 Miniature speaker with integrated signal processing electronics |
03/13/2003 | US20030048911 Miniature speaker with integrated signal processing electronics |
03/06/2003 | WO2002043434A3 Electrodynamic bending moment driver |
03/05/2003 | CN2539372Y High-pitch loudspeaker |
02/27/2003 | WO2003001885A3 Multimedia and entertainment system for an automobile |
02/26/2003 | CN1399489A Electric-mechanical-acoustic transducer and mobile communicator with the transducer |
02/25/2003 | US6526153 Armature assembly for balanced moving armature magnetic transducer and method of locating and adjusting same |
02/25/2003 | US6526152 Electroacoustic transducer having a moving coil and elastic holding elements for the connecting leads of the moving coil |
02/13/2003 | WO2001084883A3 Planar speaker wiring layout |
02/05/2003 | EP1282338A2 Electric-mechanical-acoustic-transducer and portable communication device including the same |
02/05/2003 | EP1281293A2 Armature for a receiver |
01/30/2003 | US20030022702 Electric-mechanical-acoustic-transducer and portable communication device including the same |
01/16/2003 | US20030012395 Bone conduction speaker |
01/09/2003 | WO2003001885A2 Multimedia and entertainment system for an automobile |
12/19/2002 | WO2002102112A2 Magnetic transducers of improved resistance to arbitrary mechanical shock |
12/17/2002 | US6496586 Thin Loudspeaker |
12/12/2002 | US20020186110 Magnetic transducers of improved resistance to arbitrary mechanical shock |
12/05/2002 | US20020181730 Electromagnetic audio transducer with micro adjustable core |
11/28/2002 | WO2002043435A3 Electromagnetic driver for a planar diaphragm loudspeaker |
11/28/2002 | US20020177419 Vibration apparatus for a mobile telecommunication terminal and method for controlling the same |
11/27/2002 | EP1261232A1 Bone conduction speaker |
11/21/2002 | WO2001091517A3 An assembly comprising an electrical element |
11/13/2002 | CN1379389A Electromagnetic sound generating apparatus |
10/29/2002 | US6473515 Cap and center pole apparatus and method of coupling |
10/15/2002 | US6463657 Valve element and method of manufacturing the same |
10/10/2002 | US20020146141 Acoustic receiver having improved mechanical suspension |
10/09/2002 | EP1248496A2 Aucoustic receiver having improved mechanical suspension |
10/09/2002 | EP1247427A2 Vibration balanced receiver |
10/08/2002 | US6463158 Apparatus for picking up sound waves |
09/26/2002 | US20020136425 Method for reducing distortion in a receiver |
09/19/2002 | WO2002015640A3 Low capacitance receiver coil |
09/18/2002 | EP1241920A2 Electromagnetic sound producing device. |
09/18/2002 | EP1241919A2 A method for reducing distortion in a receiver |
09/12/2002 | US20020126868 Electromagnetic sound producing device |
09/12/2002 | US20020125972 Armature assembly for balanced moving armature magnetic transducer and method of locating and adjusting same |
09/04/2002 | CN1367633A Multifunetional audio device |
09/03/2002 | US6442837 Method of manufacturing a valve element |
08/29/2002 | WO2000027166A9 Transducer concepts for hearing aids and other devices |
08/15/2002 | WO2002063921A2 Vibration balanced receiver |
08/14/2002 | EP1230739A2 Vehicle accessory microphone |
08/13/2002 | US6433674 Electromagnetic sound generator |
08/07/2002 | EP1229762A2 Multifunction acoustic device |
08/01/2002 | WO2001087008A3 Armature for a receiver |
07/25/2002 | US20020097890 Multifunction acoustic device |
07/17/2002 | CN1359604A Electroacoustic transducer having a moving coil and having elastic holding elements for the connecting leads of the moving coil |
07/11/2002 | WO2002054824A1 Bone conduction speaker |
07/11/2002 | CA2401297A1 Bone conduction speaker |
07/10/2002 | EP1221825A1 Portable electrical apparatus comprising sound restitution means |
07/03/2002 | EP1219135A2 Electro-acoustic transducer wih resistance to shock-waves |
06/06/2002 | DE10058104A1 Elektromagnetischer Treiber für einen Plattenlautsprecher An electromagnetic driver for a planar speaker |
06/06/2002 | DE10058102A1 Elektrodynamischer Biegemomententreiber Electro-dynamic bending moment driver |
05/30/2002 | WO2002043435A2 Electromagnetic driver for a planar diaphragm loudspeaker |
05/30/2002 | WO2002043434A2 Electrodynamic bending moment driver |
05/22/2002 | CN1350766A Electromagnetic transducer and portable communication device |
05/16/2002 | WO2002039781A2 Loudspeaker driver |
05/14/2002 | US6389148 Electric-acoustic transducer having moving magnet and transducing method thereof |
05/10/2002 | WO2002003746A3 A microphone assembly |
05/09/2002 | US20020054690 Loudspeaker driver |
05/08/2002 | CN2490781Y Miniature ultrathin broadband loudspeaker |
05/02/2002 | US20020050377 Assembly comprising an electrical element |
04/17/2002 | CN2487186Y Coaxial multiple magnetic field inner magnetic speaker magnetic path structure |
04/16/2002 | US6373362 Signal converter |
03/28/2002 | WO2002025989A1 Subminiature bone conduction speaker |
03/27/2002 | CN1342031A 信号转换器 Signal converter |
03/20/2002 | CN1340801A Electric sound transducer |
03/14/2002 | WO2001052594A3 Vibration balanced receiver |
03/13/2002 | EP1187509A1 Signal converter functioning as a loudspeaker or a receiver and as a vibrator |
03/13/2002 | EP1186204A2 Electroacoustic transducer having a moving coil and having elastic holding elements for the connecting leads of the moving coil |
03/07/2002 | WO2002019759A1 Bone conduction vibrator |
03/07/2002 | US20020027491 Signal converter |
02/28/2002 | US20020025052 Electroacoustic transducer |
02/21/2002 | WO2002015640A2 Low capacitance receiver coil |
02/21/2002 | US20020021817 Low capacitance receiver coil |
02/14/2002 | US20020018574 Information processing device and speaker unit applicable thereto |
02/13/2002 | EP1179285A2 Electromagnetic transducer and portable communication device |
02/05/2002 | US6345103 Visor mounting of microphone for vehicle operator |
01/31/2002 | WO2001026413A3 Electro-acoustic transducer with resistance to shock-waves |
01/24/2002 | US20020009207 Connection method for microphone of mobile radio communication unit and connection structure thereof |
01/24/2002 | US20020009206 Microphone assembly |
01/23/2002 | EP0950337A4 Three-axis seismic vibrator |
01/10/2002 | WO2002003746A2 A microphone assembly |
01/10/2002 | US20020003890 Armature for a receiver |
01/09/2002 | EP1169886A1 Microphone for a hearing aid |
01/03/2002 | WO2001056329A3 Electroacoustic transducer having a moving coil and having elastic holding elements for the connecting leads of the moving coil |
01/02/2002 | EP1166598A1 Electroacoustic transducer with a diaphragm, and method for fixing a diaphragm in such transducer |
11/29/2001 | WO2001091517A2 An assembly comprising an electrical element |
11/28/2001 | CN1324067A Electroacoustic transducer |
11/22/2001 | US20010043710 Apparatus for picking up sound waves |
11/22/2001 | US20010043706 Electroacoustic transducer |
11/21/2001 | EP1156700A2 Electroacoustic transducer |
11/15/2001 | WO2001087008A2 Armature for a receiver |
11/08/2001 | WO2001084883A2 Planar speaker wiring layout |
10/31/2001 | CN2457828Y Anti-dust net fixing device for speaker iron core |
10/18/2001 | US20010031056 Electroacoustic transducer and structure for mounting an electroacoustic transducer |
10/17/2001 | EP1146773A2 Electromagnetic sound generator |
10/17/2001 | EP1146772A2 Electroacoustic transducer and structure for mounting an electroacoustic transducer |
10/17/2001 | CN1317920A Electroacustic converter and structure for connecting same |
10/17/2001 | CN1317782A Electromagnetic sounder |
10/16/2001 | CA2270127C Partially or fully implantable hearing aid |