| Patents for H04R 7 - Diaphragms for electromechanical transducers; Cones (6,555) |
|---|
| 06/01/1999 | US5909499 Speaker with magnetic structure for damping coil displacement |
| 05/25/1999 | US5907133 Device for electroacoostic diffusion, with diaphragms, spiders and horns of balsa wood or mixtures thereof |
| 05/20/1999 | WO1999025149A2 Moving-coil loudspeaker |
| 05/20/1999 | DE19850664A1 Dome loudspeaker for audio system |
| 05/20/1999 | CA2309209A1 Moving-coil loudspeaker |
| 05/19/1999 | EP0917396A2 Method and arrangement for attenuating mechanical resonance in a loudspeaker |
| 05/12/1999 | EP0915638A2 High frequency radially arcuated center speaker cone |
| 05/12/1999 | EP0915637A2 Polycarbonate-based radially arcuated speaker cone |
| 05/11/1999 | US5903658 Loudspeaker and a method for producing the same |
| 05/11/1999 | CA2253748A1 High frequency radially arcutated center speaker cone |
| 05/10/1999 | CA2253530A1 Polycarbonate-based radially arcuated speaker cone |
| 05/06/1999 | EP0914020A2 Loudspeaker |
| 05/04/1999 | US5901231 Piezo speaker for improved passenger cabin audio systems |
| 04/29/1999 | WO1999021397A1 Resonant mode panel-loudspeakers |
| 04/29/1999 | CA2303789A1 Resonant mode panel-loudspeakers |
| 04/28/1999 | EP0847674B1 Musical instruments incorporating loudspeakers |
| 04/28/1999 | EP0847664B1 Loudspeakers comprising panel-form acoustic radiating elements |
| 04/21/1999 | EP0847678B1 Panel-form microphones |
| 04/21/1999 | EP0847665B1 Panel-form loudspeakers |
| 04/21/1999 | CN2315748Y Ball top hornunit with sound absorption hole position on panel |
| 04/21/1999 | CN1214607A Electrocoustic transducer |
| 04/20/1999 | US5896460 Speaker |
| 04/14/1999 | EP0847677B1 Inertial vibration transducers |
| 04/14/1999 | EP0847676B1 Inertial vibration transducers |
| 04/14/1999 | EP0847668B1 Loudspeakers with panel-form acoustic radiating elements |
| 04/08/1999 | WO1999004597A3 Pistonic motion, large excursion passive radiator |
| 04/06/1999 | US5892185 Speaker unit and a method for manufacturing the same |
| 03/18/1999 | WO1999013684A1 Vibration exciter |
| 03/18/1999 | CA2301270A1 Vibration exciter |
| 03/16/1999 | US5883967 Slotted diaphragm loudspeaker |
| 03/11/1999 | WO1999012387A1 Loudspeakers |
| 03/11/1999 | WO1999011490A1 Trim panel comprising an integral acoustic system |
| 03/11/1999 | WO1998053638A3 Acoustic apparatus comprising an array of loudspeakers |
| 03/11/1999 | CA2297104A1 Trim panel comprising an integral acoustic system |
| 03/11/1999 | CA2297041A1 Loudspeakers |
| 03/10/1999 | EP0847675B1 Vibration transducers |
| 03/10/1999 | EP0847673B1 Portable compact-disc player incorporating panel-form loudspeakers |
| 03/10/1999 | EP0847672B1 Packaging |
| 03/10/1999 | EP0847671B1 Personal computers |
| 03/10/1999 | EP0847670B1 Display screens incorporating loudspeakers |
| 03/10/1999 | EP0847669B1 Visual display means incorporating loudspeakers |
| 03/10/1999 | EP0847663B1 Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements |
| 03/10/1999 | EP0847662B1 Loudspeakers comprising panel-form acoustic radiating elements |
| 03/10/1999 | EP0847660B1 Greetings card or the like with loudspeaker |
| 03/10/1999 | EP0847659B1 Loudspeakers comprising panel-form acoustic radiating elements |
| 03/09/1999 | US5880412 High frequency radially arcuated center speaker cone |
| 03/04/1999 | WO1999011099A1 Planar magnetic transducer with distortion compensating diaphragm |
| 03/04/1999 | DE19737461A1 Acoustic transducer for electrical equipment |
| 03/03/1999 | EP0847667B1 Noticeboards incorporating loudspeakers |
| 03/03/1999 | EP0847666B1 Panel-form loudspeakers |
| 03/02/1999 | US5878150 Damper for a loudspeaker and a method for producing the same |
| 03/02/1999 | US5878148 Compression driver |
| 02/24/1999 | CN2309023Y Moulding die of loudspeaker suspension side edge |
| 02/23/1999 | US5875253 Loudspeaker and a method for producing the same |
| 02/23/1999 | US5875252 Loudspeaker for high frequencies |
| 02/18/1999 | WO1998052381A3 Panel-form loudspeakers |
| 02/17/1999 | EP0847567B1 A vending machine |
| 02/11/1999 | WO1999007183A1 Electro-acoustic transducer |
| 02/03/1999 | CN1207009A Acoustic membrane and large power intermediate-high frequency loudspeaker made therefrom |
| 01/28/1999 | WO1999004597A2 Pistonic motion, large excursion passive radiator |
| 01/28/1999 | WO1999004072A1 Molded aramid sheets |
| 01/27/1999 | CN1041886C Speaker component and speaker using the same |
| 01/21/1999 | WO1999003304A1 Planar acoustic transducer |
| 01/21/1999 | WO1999003292A1 System for automatic roaming in a private microcellular network |
| 01/19/1999 | US5862242 Speaker |
| 01/14/1999 | WO1999002012A1 Panel-form loudspeakers |
| 01/14/1999 | CA2295007A1 Panel-form loudspeakers |
| 12/30/1998 | CN1041487C Loadspeaker structure |
| 12/16/1998 | CN1202300A Central or circumferential suspension for moving assembly of moving-coil loudspeaker |
| 12/15/1998 | US5850462 Speaker component, speaker, and its manufacturing method |
| 12/15/1998 | US5850461 Diaphragm support frames for acoustic transducers and method of assembly |
| 12/09/1998 | CN1201181A Thin-film loudspeaker used in thin-film video-frequency monitor apparatus |
| 12/08/1998 | US5848173 Surroundless loudspeaker |
| 12/08/1998 | US5847333 Electrodynamic loudspeaker and system comprising the loudspeaker |
| 12/08/1998 | US5847332 Polycarbonate-based radially arcuated speaker cone |
| 12/08/1998 | CA2147684C Loudspeaker |
| 12/03/1998 | WO1998053924A1 Flexural plate sound transducer having low resonant frequency |
| 12/03/1998 | WO1998041055A3 Loudspeaker and method for producing the same |
| 12/02/1998 | EP0880502A1 Aminoheterocyclic derivatives as antithrombotic or anticoagulant agents |
| 12/02/1998 | EP0880499A1 Distamycin derivatives, process for preparing them, and their use as antitumor and antiviral agents |
| 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 |
| 11/17/1998 | US5838805 Piezoelectric transducers |
| 11/17/1998 | US5837176 Method of hot-press molding polyparaphenyleneterephthalamide film |
| 11/04/1998 | EP0876079A1 Electroacoustic transducer |
| 11/04/1998 | CN1198292A Electrodynamic loudspeaker and system comprising the loudspeaker |
| 10/27/1998 | US5828768 Multimedia personal computer with active noise reduction and piezo speakers |
| 10/22/1998 | WO1998047317A1 Slotted diaphragm loudspeaker |
| 10/21/1998 | EP0872158A1 Piezoelectric transducers |
| 10/21/1998 | EP0872157A1 Piezo speaker for improved passenger cabin audio systems |
| 10/13/1998 | US5822444 Loudspeaker |
| 10/07/1998 | CN1195463A Panel-form microphones |
| 10/07/1998 | CN1195462A Packaging |