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