| Patents for H04R 7 - Diaphragms for electromechanical transducers; Cones (6,555) |
|---|
| 03/06/2002 | EP1185139A2 Diaphragm for speakers |
| 03/06/2002 | EP1185134A2 Facing system for a flat panel radiator |
| 03/06/2002 | EP1183904A1 Method for producing membranes for electroacoustic transducers and membranes obtained by this method |
| 03/06/2002 | CN1339236A Exciter |
| 03/06/2002 | CN1339235A Resonant panel-form loudspeakers |
| 03/06/2002 | CN1338884A 转换器 Converters |
| 02/28/2002 | US20020025990 Waterproofing, heat, aging and ozone resistance |
| 02/28/2002 | US20020025059 Diaphragm for speakers |
| 02/28/2002 | US20020025049 Vehicle loudspeaker |
| 02/28/2002 | CA2353251A1 Facing systems for a flat panel radiator |
| 02/27/2002 | EP1182907A2 Electroacoustic transducer |
| 02/27/2002 | CN1338194A Vibration exciter for creating bending wave vibration |
| 02/26/2002 | US6351544 Regressively hinged spider |
| 02/26/2002 | US6351542 Loudspeakers with panel-form acoustic radiating elements |
| 02/22/2002 | WO2001013678A1 Electroacoustic transducer with diaphragm securing structure and method |
| 02/22/2002 | CA2383483A1 Electroacoustic transducer with diaphragm securing structure and method |
| 02/21/2002 | WO2002015638A2 Loudspeaker using a plurality of exciters |
| 02/21/2002 | US20020021821 Linear vibrating device and speaker equipped with the same |
| 02/21/2002 | US20020021812 Loudspeaker |
| 02/21/2002 | DE10038780A1 Loudspeaker spherical cap used for producing high pitch has pairs of layers of approximately the same thickness |
| 02/20/2002 | EP1180914A2 Flat panel sound radiator |
| 02/20/2002 | CN2478298Y Loudspeaker effuser rack |
| 02/20/2002 | CN1337140A Headphone |
| 02/19/2002 | US6347683 Loudspeaker and process for manufacturing a loudspeaker |
| 02/17/2002 | CA2354221A1 Flat panel sound radiator with special edge details |
| 02/14/2002 | WO2002013575A1 Bending wave loudspeaker |
| 02/14/2002 | WO2002013574A2 Bending wave loudspeaker |
| 02/14/2002 | WO2001039541A3 Flat loudspeaker system for bass reproduction |
| 02/14/2002 | US20020018578 Bending wave loudspeaker |
| 02/14/2002 | US20020018575 Panel-form loudspeakers |
| 02/14/2002 | US20020017824 Multi-functional vibration actuator |
| 02/14/2002 | US20020017423 Speaker and method of assembling the speaker |
| 02/13/2002 | EP1179967A2 Flat panel sound radiator and assembly system |
| 02/13/2002 | EP1179284A2 Bending wave acoustic device |
| 02/13/2002 | EP1179283A2 Bending wave loudspeakers |
| 02/13/2002 | CN2476452Y Coupling whole audio frequency coaxial loudspeaker |
| 02/12/2002 | US6347149 Driver for a flat acoustic panel |
| 02/07/2002 | WO2002011495A2 Loudspeaker coil suspension system |
| 02/07/2002 | US20020015507 Loudspeaker |
| 02/06/2002 | EP1178703A2 Speaker and method of assembling the speaker |
| 02/06/2002 | EP1178456A2 A passive voice-activated microphone and transceiver system |
| 02/06/2002 | CN2476153Y Vibrating diaphragm improved structure |
| 01/31/2002 | WO2002009472A1 Integral diaphragm with amplified mechanical resonance |
| 01/31/2002 | US20020012442 Acoustic device and method for driving it |
| 01/31/2002 | US20020012439 Diaphragm-type bass loudspeaker |
| 01/30/2002 | EP1175669A1 Systems and methods for passive pressure-compensation for acoustic transducers |
| 01/30/2002 | EP1010352B1 Vibration exciter |
| 01/30/2002 | CN1333993A Electrostatic transducer with nonplanar configurated diaphragm |
| 01/30/2002 | CN1333992A Loudspeaker |
| 01/29/2002 | US6343136 Speaker apparatus and manufacturing method thereof |
| 01/29/2002 | US6342831 Electronic apparatus |
| 01/28/2002 | CA2345775A1 Flat panel sound radiator and assembly system |
| 01/23/2002 | EP1175126A1 Piezoelectric transducer |
| 01/23/2002 | EP1174002A2 Moving coil driver |
| 01/23/2002 | EP1174001A2 Bending- wave panel loudspeakers |
| 01/23/2002 | EP1120007A4 Loudspeakers |
| 01/17/2002 | US20020005317 Speaker apparatus |
| 01/16/2002 | EP1173042A2 Compound loudspeaker drive unit having a magnet system |
| 01/16/2002 | EP1172019A2 Piezoelecric vibration exciter |
| 01/16/2002 | CN1331901A Parametric loudspeaker with electro-acoustical disphragm transducer |
| 01/11/2002 | CA2352732A1 Compound loudspeaker drive unit having a magnet system |
| 01/10/2002 | WO2002003748A2 Electroacoustic transducer with replaceable diaphragm |
| 01/10/2002 | WO2001037607A3 Offset apex spider |
| 01/09/2002 | EP1170977A1 Laminated composite panel-form loudspeaker |
| 01/09/2002 | EP1169884A1 Flat surface loudspeaker and method for operating the same |
| 01/02/2002 | EP1166598A1 Electroacoustic transducer with a diaphragm, and method for fixing a diaphragm in such transducer |
| 01/02/2002 | CN2469647Y Vibrating membrane of receiver and transmitter |
| 01/02/2002 | CN1329809A Loudspeaker |
| 01/02/2002 | CN1329808A Loudspeaker |
| 01/01/2002 | US6334504 Molded foam resin, process for forming the same and speaker diaphragm consisting of the same |
| 12/27/2001 | WO2001048684A3 Contact sensitive device |
| 12/27/2001 | US20010055403 High frequency loudspeaker |
| 12/27/2001 | US20010055402 Loudspeakers |
| 12/26/2001 | CN1328762A Acoustic device |
| 12/26/2001 | CN1328322A Character information receiver |
| 12/25/2001 | US6333575 Vibration exciter |
| 12/25/2001 | US6332508 Loudspeaker and method for producing the same |
| 12/25/2001 | US6332262 Method of fabricating a loudspeaker suspension device |
| 12/20/2001 | WO2001097559A2 Capacitive micromachined ultrasonic transducers. |
| 12/20/2001 | US20010053975 Character information receiving apparatus |
| 12/20/2001 | US20010053232 Lay-in ceiling speaker |
| 12/20/2001 | US20010053230 Acoustic devices |
| 12/19/2001 | EP1164813A2 Lay-in ceiling speaker |
| 12/19/2001 | EP0979592A4 Slotted diaphragm loudspeaker |
| 12/19/2001 | CN1327358A Loudspeaker device |
| 12/18/2001 | US6332029 Acoustic device |
| 12/13/2001 | US20010050194 Speaker unit, speaker system, and speaker diaphragm manufacturing method |
| 12/06/2001 | WO2001093628A2 Loudspeaker of the bending wave type and exciter therefor |
| 12/06/2001 | US20010048751 Elongate panel loudspeaker |
| 12/06/2001 | US20010048256 Planar acoustic converting apparatus |
| 12/06/2001 | DE10127187A1 Conductive-type loudspeaker has mass ratio between edge diaphragm and dome-shaped diaphragm set in predetermined range |
| 12/06/2001 | DE10025460A1 Hochtonlautsprecher Tweeter |
| 12/05/2001 | EP1159854A2 Vibration exciters for driving bending wave panels |
| 12/05/2001 | EP1159852A2 Electronic apparatus incorporating a loudspeaker comprising a bending wave panel member |
| 12/05/2001 | CN2464036Y Mechanical frequency-dividing all audio frequency diaphragm |
| 12/05/2001 | CN1325606A Acoustic device according to bending wave principle |
| 12/05/2001 | CN1325188A Flat-sound converting apparatus |
| 12/04/2001 | US6327372 Ceramic metal matrix diaphragm for loudspeakers |
| 12/04/2001 | US6327369 Loudspeakers comprising panel-form acoustic radiating elements |
| 11/28/2001 | EP1158835A2 Planar acoustic converting apparatus |