| Patents for H04R 7 - Diaphragms for electromechanical transducers; Cones (6,555) |
|---|
| 05/09/2001 | EP1098549A2 Electroacoustic transducer |
| 05/09/2001 | CN2429982Y Large diemeter single folded paper cone |
| 05/09/2001 | CN1294832A Vibration actuator having magnetic circuit elastically supported by spiral damper with increased compliance |
| 05/03/2001 | WO2001031975A2 Ultra low frequency transducer and loud speaker comprising same |
| 05/03/2001 | WO2001031971A2 Keyboard comprising a loudspeaker |
| 05/03/2001 | WO1999067974A8 Loudspeakers |
| 05/02/2001 | EP1096830A2 High frequency transducer |
| 05/02/2001 | EP0945042B1 Panel-form loudspeaker |
| 05/02/2001 | CN1293881A Speaker device |
| 05/01/2001 | US6224801 Making a speaker with dies and cavities, receivers of thermoplastic elastomers for outer flanges |
| 04/26/2001 | WO2001030114A1 Loudspeaker |
| 04/26/2001 | WO2001030113A1 Microphone |
| 04/26/2001 | WO2001029910A1 Electronic equipment with loudspeaker |
| 04/26/2001 | WO2001028760A1 Method of manufacturing a composite panel and composite panel obtained thereby |
| 04/26/2001 | WO2000054551A3 Apparatus including an electroacoustic transducer having terminal contacts which extend in the direction of the transducer axis and including a printed circuit board having mating contacts |
| 04/26/2001 | DE10044047A1 Loudspeaker has spider for additional support with undulations of varying heights |
| 04/24/2001 | US6222931 High power acoustical transducer |
| 04/19/2001 | DE19928812C2 Lautsprecher zum Einbau in Kraftfahrzeugen Speaker for installation in motor vehicles |
| 04/17/2001 | US6219432 Loudspeaker drive unit |
| 04/12/2001 | WO2001026417A1 Loudspeaker |
| 04/12/2001 | DE19944802A1 Tür Door |
| 04/11/2001 | EP1091616A1 Loudspeaker diaphragm |
| 04/10/2001 | US6215887 Thin type speaker having a secondary diaphragm |
| 04/10/2001 | US6215884 Piezo speaker for improved passenger cabin audio system |
| 04/10/2001 | US6215882 Panel-form loudspeaker |
| 04/10/2001 | US6215881 Ceiling tile loudspeaker |
| 04/05/2001 | WO2000070910A3 Bending wave panel loudspeakers |
| 04/05/2001 | DE19943084A1 Schallwandler Transducer |
| 04/03/2001 | CA2194266C Piezo speaker and installation method for laptop personal computer and other multimedia applications |
| 04/03/2001 | CA2021016C Acoustic vibrational material from fiber-reinforced polybutadiene-modified epoxy resin |
| 03/29/2001 | WO2001022774A1 Loudspeaker |
| 03/29/2001 | WO2001022773A1 Planar-type loudspeaker with at least two diaphragms |
| 03/29/2001 | DE19940930A1 Elektrodynamischer Treiber Electrodynamic drivers |
| 03/28/2001 | EP1086606A1 Panel loudspeakers |
| 03/28/2001 | CN1289523A Acoustic device comprising a panel member relying on bending wave action |
| 03/28/2001 | CN1289220A Semiconductor device, semiconductor electret capacitor microphone and mfg. method thereof |
| 03/27/2001 | US6208743 Electrodynamic acoustic transducer with magnetic gap sealing |
| 03/22/2001 | WO2001020949A1 Diaphragm transducer |
| 03/22/2001 | WO2001003467A3 Bending wave acoustic device |
| 03/21/2001 | EP1085784A2 Semiconductor device, semiconductor electret condenser microphone, and method of producing semiconductor electret condenser microphone |
| 03/21/2001 | EP1085780A2 Door |
| 03/21/2001 | EP1084592A1 Resonant panel-form loudspeaker |
| 03/21/2001 | EP1084591A1 Resonant panel-form acoustic devices |
| 03/15/2001 | WO2001018132A2 Panel-shaped loudspeaker |
| 03/15/2001 | DE19935596A1 Akustisches Bauteil Acoustic component |
| 03/14/2001 | EP1083770A2 Acoustic transducer |
| 03/14/2001 | EP1070309A4 Method and apparatus for conveying audiovisual information |
| 03/14/2001 | CN1287766A Active acoustic devices comprising panel members |
| 03/13/2001 | US6201878 Portable compact disc player |
| 03/13/2001 | US6201874 Electrostatic transducer with nonplanar configured diaphragm |
| 03/13/2001 | US6199655 Holographic transparent speaker |
| 03/08/2001 | WO2000067525A3 Piezoelectric vibration exciter |
| 03/07/2001 | EP1080605A1 Panel-form loudspeaker |
| 03/06/2001 | US6198831 Panel-form loudspeakers |
| 02/28/2001 | EP1079664A2 Electrodynamic driver |
| 02/28/2001 | EP1079662A2 Electro-acoustic micro-transducer having an improved dynamic and frequency range |
| 02/28/2001 | EP1078553A1 Sound reproduction device working according to the bending wave principle |
| 02/28/2001 | EP1078552A1 Device for dynamic excitation of panel loudspeakers |
| 02/28/2001 | EP1078551A1 Panel loudspeaker |
| 02/28/2001 | EP1078300A1 Projection screen |
| 02/28/2001 | CN1285705A Small electricity-sound converter with three-mode replaying property |
| 02/27/2001 | US6195440 Piezoelectric transducers |
| 02/22/2001 | WO2001013676A1 Loudspeaker |
| 02/21/2001 | EP1077585A1 Speaker edge |
| 02/21/2001 | EP1077014A1 Driver for a flat acoustic panel |
| 02/20/2001 | US6192136 Inertial vibration transducers |
| 02/15/2001 | WO2000070909A3 Bending wave acoustic device |
| 02/15/2001 | WO2000070908A3 Bending wave loudspeakers |
| 02/14/2001 | EP1075775A1 Method and apparatus for locating bending wave transducer means |
| 02/14/2001 | EP0760996A4 Multimedia personal computer with active noise reduction and piezo speakers |
| 02/13/2001 | US6188775 Panel-form loudspeakers |
| 02/13/2001 | US6185809 Method of manufacturing a diaphragm for an electroacoustic transducer |
| 02/13/2001 | CA2188536C Multimedia personal computer with active noise reduction and piezo speakers |
| 02/08/2001 | WO2001010168A2 Loudspeaker |
| 02/08/2001 | WO2000067523A3 Moving coil driver |
| 02/07/2001 | EP1075165A2 Acoustic component |
| 02/07/2001 | CN1283067A Electroacoustic inverter unit possessing bisound source structure |
| 02/06/2001 | US6183674 Manufacturing method of diaphragm for use in electroacoustic transducers |
| 02/01/2001 | WO2001008447A2 Flat panel speaker |
| 02/01/2001 | WO2000067524A3 Bending wave loudspeakers |
| 02/01/2001 | WO2000065869A3 Bending-wave panel loudspeakers |
| 01/31/2001 | EP1073312A2 Electric-acoustic transducer having dual voice coil drivers |
| 01/31/2001 | CN1282502A Moving-coil loudspeaker |
| 01/30/2001 | US6181799 Greetings or the like card |
| 01/25/2001 | WO2001006523A2 Magnet assembly |
| 01/25/2001 | WO2000048428A3 Exciter for imparting bending wave energy to a panel |
| 01/24/2001 | EP1070437A1 Acoustic device |
| 01/24/2001 | EP1070309A2 Method and apparatus for conveying audiovisual information |
| 01/23/2001 | US6178252 Electroacoustic transducer comprising a diaphragm having through portions for mounting a voice coil |
| 01/23/2001 | US6176345 Pistonic motion, large excursion passive radiator |
| 01/18/2001 | WO2001005189A2 Bending wave panel speaker and method of driving such a speaker |
| 01/17/2001 | EP1068770A1 Acoustic device relying on bending wave action |
| 01/11/2001 | WO2001003467A2 Bending wave acoustic device |
| 01/11/2001 | WO2000046786A3 A headphone comprising bending-wave loudspeakears |
| 01/11/2001 | DE19922395C1 Deckenelement Ceiling element |
| 01/10/2001 | EP1066736A1 Vibration actuator having magnetic circuit elastically supported by a spiral damper with increased compliance |
| 01/09/2001 | US6171534 Method of making a speaker cone and surround assembly |
| 01/09/2001 | US6170603 Acoustic wall |
| 01/04/2001 | WO2000069214A3 Vibration exciter |
| 01/04/2001 | WO2000054548A3 Electronic apparatus incorporating a loudspeaker comprising a bending wave panel member |