| Patents for H04R 9 - Transducers of moving-coil, moving-strip, or moving-wire type (11,486) |
|---|
| 02/24/1999 | CN2309024Y Loudspeaker high-pass filter of unpassing capacitor |
| 02/23/1999 | US5875252 Loudspeaker for high frequencies |
| 02/18/1999 | WO1999008479A1 Sound radiating devices/systems |
| 02/18/1999 | WO1999008474A2 Cap and center pole apparatus and method of coupling |
| 02/18/1999 | WO1998052381A3 Panel-form loudspeakers |
| 02/18/1999 | CA2295724A1 Sound radiating devices/systems |
| 02/16/1999 | US5872855 Multiple voice coil, multiple function loudspeaker |
| 02/11/1999 | WO1999006990A2 Compact horn speaker |
| 02/10/1999 | EP0896497A2 Sound reproduction system |
| 02/04/1999 | WO1999005888A1 Linear loudspeaker |
| 02/04/1999 | DE19728329A1 Lautsprecheranordnung Speaker assembly |
| 02/03/1999 | CN1207011A Loudspeaker and preparation method |
| 02/03/1999 | CN1207010A Loudspeaker and preparation method |
| 02/03/1999 | CN1207009A Acoustic membrane and large power intermediate-high frequency loudspeaker made therefrom |
| 01/28/1999 | WO1999003375A1 Passive radiator cooled electronics/heat sink housing for a powered speaker |
| 01/27/1999 | EP0893936A2 Loudspeaker basket |
| 01/27/1999 | CN1041886C Speaker component and speaker using the same |
| 01/27/1999 | CN1041885C Body sense speaker and music reproducing system using the same |
| 01/21/1999 | WO1999003304A1 Planar acoustic transducer |
| 01/19/1999 | US5862242 Speaker |
| 01/19/1999 | US5862237 Speaker apparatus |
| 01/14/1999 | WO1999002012A1 Panel-form loudspeakers |
| 01/14/1999 | WO1999002011A1 Loudspeaker arrangement |
| 01/14/1999 | DE19729082A1 Screened magnetic system |
| 01/14/1999 | DE19727657C1 Anti-noise loudspeaker combating noise for direct use in MR tomography esp. control of sound in brain and heart studies |
| 01/14/1999 | CA2295007A1 Panel-form loudspeakers |
| 01/13/1999 | EP0891117A2 Loudspeaker and sound reproduction system employing such a loudspeaker |
| 01/13/1999 | CN2304217Y Magnetic driving member for loudspeaker |
| 01/12/1999 | US5859917 Flush-mount swivel tweeter system for vehicular audio |
| 12/30/1998 | EP0888030A2 Hook shaped locking means |
| 12/30/1998 | CN2302625Y Double-magnetic circuit electrodynamic loudspeaker |
| 12/30/1998 | CN1041487C Loadspeaker structure |
| 12/30/1998 | CN1041486C Loadspeaker with magnetic circuit |
| 12/24/1998 | DE19725373A1 Permanent magnet electrodynamic drive |
| 12/23/1998 | WO1998058520A1 Loudspeakers |
| 12/17/1998 | WO1998042160A3 Broadband loudspeaker |
| 12/16/1998 | CN1202300A Central or circumferential suspension for moving assembly of moving-coil loudspeaker |
| 12/16/1998 | CN1041267C Method for improving property of loudspeaker and double magnetic field double push-pull loudspeaker |
| 12/15/1998 | US5850462 Speaker component, speaker, and its manufacturing method |
| 12/15/1998 | CA2142886C Electromagnetic transducer |
| 12/08/1998 | US5848174 Linear movement speaker system |
| 12/08/1998 | US5848173 Surroundless loudspeaker |
| 12/08/1998 | US5847333 Electrodynamic loudspeaker and system comprising the loudspeaker |
| 12/08/1998 | CA2147684C Loudspeaker |
| 12/03/1998 | WO1998054924A2 Ultra structure subwoofer |
| 11/26/1998 | WO1998053640A1 Loudspeaker suspension device and fabricating method thereof |
| 11/26/1998 | WO1998053638A2 Acoustic apparatus comprising an array of loudspeakers |
| 11/26/1998 | CA2290466A1 Acoustic apparatus comprising an array of loudspeakers |
| 11/24/1998 | US5841880 Multi-point drive type speaker |
| 11/19/1998 | WO1998052383A1 Vibration transducers for resonant panel-form loudspeaker and loudspeaker with the same |
| 11/19/1998 | WO1998052381A2 Panel-form loudspeakers |
| 11/19/1998 | WO1998034320A3 Electro-dynamic inertial vibration exciter |
| 11/19/1998 | CA2290476A1 Panel-form loudspeakers |
| 11/19/1998 | CA2290103A1 Vibration transducers for resonant panel-form loudspeaker and loudspeaker with the same |
| 11/18/1998 | CN1040822C Electromagnetic transducer |
| 11/17/1998 | US5838809 Speaker |
| 11/12/1998 | WO1998050999A1 Dual-directional field coil actuator |
| 11/10/1998 | US5835612 Speaker apparatus |
| 11/04/1998 | EP0876079A1 Electroacoustic transducer |
| 11/04/1998 | CN2296605Y Sound pressure automatic regulation electronic horn |
| 11/04/1998 | CN1198292A Electrodynamic loudspeaker and system comprising the loudspeaker |
| 11/04/1998 | CN1198071A Electro-machanical and acoustic transducer for prtable teminal unit |
| 11/03/1998 | US5832096 Speaker containing dual coil |
| 11/03/1998 | US5831938 Lead terminal connection structure of an electroacoustic transducer |
| 10/29/1998 | WO1998048563A1 System and method for retail over a network |
| 10/27/1998 | US5828767 Inductive braking in a dual coil speaker driver unit |
| 10/22/1998 | WO1998047317A1 Slotted diaphragm loudspeaker |
| 10/22/1998 | WO1998047312A1 Loudspeaker and method of manufacturing the same |
| 10/22/1998 | DE19710967C1 Breitbandlautsprecher Broadband speaker |
| 10/20/1998 | US5825297 Taut armature reciprocating impulse transducer |
| 10/13/1998 | US5822444 Loudspeaker |
| 10/07/1998 | EP0868829A1 Magnetic fluid loudspeaker assembly with ported enclosure and method of determining parameters thereof |
| 10/07/1998 | CN2293932Y Audible device |
| 10/07/1998 | CN1195454A Acoustic device |
| 09/30/1998 | CN1194766A Inertial vibrative transducer |
| 09/30/1998 | CN1194765A Vibrative transducer |
| 09/30/1998 | CN1194760A Loudspeakers comprising panel-form acoustic radiating elements |
| 09/29/1998 | US5815587 Loudspeaker with short circuit rings at the voice coil |
| 09/24/1998 | WO1998042160A2 Broadband loudspeaker |
| 09/24/1998 | CA2284678A1 Broadband loudspeaker |
| 09/23/1998 | EP0866636A2 Voice coil and method for production thereof |
| 09/22/1998 | US5812689 Low-powered loud speaker provided with echo generator |
| 09/15/1998 | US5809157 Electromagnetic linear drive |
| 09/09/1998 | CN2290963Y Trill megaphone |
| 09/03/1998 | WO1998038834A1 Electroacoustic transducer comprising a closing member for closing the rear volume of the transducer |
| 09/01/1998 | US5802191 Loudspeakers, systems, and components thereof |
| 09/01/1998 | US5800663 Terminal connection method of a coil and terminal connection structure of a coil |
| 08/27/1998 | WO1998037734A1 Movable coil for loudspeakers and microphones |
| 08/27/1998 | CA2320150A1 Movable coil for loudspeakers and microphones |
| 08/26/1998 | EP0861013A1 Movable coil for loudspeakers and microphones |
| 08/26/1998 | EP0860094A1 Central or circumferential suspension for the moving assembly of a moving-coil loudspeaker |
| 08/06/1998 | WO1998034320A2 Electro-dynamic inertial vibration exciter |
| 08/06/1998 | CA2279602A1 Electro-dynamic exciter |
| 08/05/1998 | CN2287355Y Speaker |
| 08/04/1998 | US5790682 Damper for speaker |
| 07/29/1998 | CN1189079A Forming combination manufacturing method for loudspeaker vibration tray buffer ring edge |
| 07/28/1998 | US5786741 Polygon magnet structure for voice coil actuator |
| 07/23/1998 | DE19735838A1 Modified oscillating coil for installation in loudspeaker |
| 07/22/1998 | CN1188121A Wax, copper foil flexible wire with wax and speakers using this flexible wire |
| 07/21/1998 | US5784478 Audible environment awareness restoring device |