| Patents for H04R 9 - Transducers of moving-coil, moving-strip, or moving-wire type (11,486) |
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| 01/25/2001 | DE19911268C1 Hi-fi loudspeaker has oscillation plate attached to top of loudspeaker coil fitted over central core of magnetic yoke |
| 01/24/2001 | CN1281628A Mechanical acoustic crossover network and transducer thereof |
| 01/23/2001 | US6178252 Electroacoustic transducer comprising a diaphragm having through portions for mounting a voice coil |
| 01/18/2001 | DE19928241A1 Loudspeaker for securing a simplified moving coil connector has a frame to fasten a membrane and a magnetic unit and a cover to fit on the frame and hold parts for a loudspeaker separating filter and solderless connectors. |
| 01/16/2001 | US6175637 Acoustic transducer |
| 01/11/2001 | DE19925944A1 Lautsprecher mit einem frontseitig aufgesetzten Dichtelement und Verfahren zur Herstellung eines solchen Lautsprechers Loudspeaker with a front mounted sealing element and method of manufacturing such a loudspeaker |
| 01/10/2001 | EP1066736A1 Vibration actuator having magnetic circuit elastically supported by a spiral damper with increased compliance |
| 01/10/2001 | CN1279575A Active loudspeaker |
| 01/09/2001 | US6173065 Structure of speaker |
| 01/09/2001 | US6172589 Hard magnetic alloy having supercooled liquid region, sintered or cast product thereof or stepping motor and speaker using the alloy |
| 01/04/2001 | WO2000054548A3 Electronic apparatus incorporating a loudspeaker comprising a bending wave panel member |
| 01/03/2001 | EP1065911A2 Electroacoustic transducer |
| 12/28/2000 | WO2000059262A3 Cap and center pole apparatus and method of coupling |
| 12/28/2000 | WO2000049835A3 Dual cone loudspeaker |
| 12/27/2000 | EP1063020A1 Electromagnetic actuator and structure for mounting the same |
| 12/27/2000 | CN1278399A Loudspeaker |
| 12/26/2000 | US6166146 For bonding adherends made of reinforced fibers, metal and/or cotton; useful for assembling speaker employing a damper made of aramid fibers |
| 12/21/2000 | WO2000078095A1 Flat acoustic transducer |
| 12/21/2000 | WO2000078092A1 Loudspeaker |
| 12/20/2000 | EP1061769A2 Loudspeaker |
| 12/20/2000 | EP1061768A2 Transformer, loudspeaker device and loudspeaker system |
| 12/19/2000 | CA2173580C Variable geometry electromagnetic transducer |
| 12/14/2000 | WO2000076270A2 High definition transducer |
| 12/14/2000 | CA2372732A1 High definition transducer |
| 12/13/2000 | EP1059829A2 Loudspeaker with a sealing member mounted to the front side and method of manufacturing such a loudspeaker |
| 12/13/2000 | CN2410841Y Vibrating diaphragm all-opening tuype loudspeaker |
| 12/13/2000 | CN2410840Y Double magnetic return path type loudspeaker |
| 12/13/2000 | CN1059538C Camber reflection loudspeaking device |
| 12/12/2000 | US6160894 Speaker apparatus and sound reproduction system employing same |
| 12/12/2000 | US6158109 Coil manufacturing method using ring shaped spacer |
| 12/07/2000 | WO2000074436A2 Mounting of the coil in an electroacoustic transducer |
| 12/07/2000 | WO2000048425A3 Bending wave panel-form loudspeaker |
| 12/06/2000 | CN1276142A Telephone with receiver arousing bone-conduction and air-conduction hearing |
| 12/06/2000 | CN1275876A Loudspeaker |
| 11/30/2000 | DE10024723A1 Loudspeaker has conducting oscillation coil body with gap extending longitudinally so oscillation coil is formed with winding, and coil is attached to coil body by bonding material |
| 11/29/2000 | EP1056311A2 Speaker |
| 11/29/2000 | CN1275300A Miniature full range loudspeaker |
| 11/29/2000 | CN1275044A Loudspeaker |
| 11/28/2000 | US6154556 Dome speaker |
| 11/28/2000 | US6154554 Microphone |
| 11/28/2000 | CA2283281C Slotted diaphragm loudspeaker |
| 11/28/2000 | CA2145629C Diffusing volume electroacoustic transduces |
| 11/21/2000 | US6151402 Vibration transducers |
| 11/21/2000 | US6148953 Loudspeaker component and resin composition therefor |
| 11/16/2000 | DE19902679C1 Lautsprecher Speaker |
| 11/15/2000 | CN2406437Y Linear long-stroke loudspeaker |
| 11/15/2000 | CN2406436Y Thin loudspeaker |
| 11/14/2000 | US6148088 Speaker system |
| 11/09/2000 | WO2000067523A2 Moving coil driver |
| 11/08/2000 | CN2405390Y Ultra-thin type loud-speaker |
| 11/08/2000 | CN1273016A Loundspeaker |
| 11/07/2000 | US6144753 Damper for a speaker apparatus |
| 11/02/2000 | WO2000065869A2 Bending-wave panel loudspeakers |
| 10/25/2000 | EP1047284A2 Electroacoustic transducer with maximum pressure loading |
| 10/25/2000 | CN1271508A Resonant mode panel-loudspeakers |
| 10/25/2000 | CN1271245A Loudspeaker |
| 10/24/2000 | US6137891 Variable geometry electromagnetic transducer |
| 10/18/2000 | EP1045613A2 Driving circuit, electro-mechanical-acoustic transducer, and portable terminal apparatus |
| 10/18/2000 | EP1044584A1 Mechanical acoustic crossover network and transducer therefor |
| 10/18/2000 | CN2402088Y Structure improved ultrathin plane loudspeaker |
| 10/18/2000 | CN1270489A Driving circuit, electromechanic acoustic transducer and portable terminal device |
| 10/18/2000 | CN1270488A Loudspeaker |
| 10/17/2000 | US6134336 Integrated speaker assembly of a portable electronic device |
| 10/17/2000 | US6134332 Sound lens speaker system |
| 10/12/2000 | WO2000060573A1 Systems and methods for passive pressure-compensation for acoustic transducers |
| 10/11/2000 | EP1042941A1 Loudspeaker arrangement |
| 10/11/2000 | CN1269959A Vibration exciter |
| 10/11/2000 | CN1269958A Loudspeakers |
| 10/11/2000 | CN1269689A Loudspeaker coil and loudspeaker |
| 10/10/2000 | US6130955 Voice coil assembly |
| 10/10/2000 | US6130952 Microphone |
| 10/05/2000 | WO2000059262A2 Cap and center pole apparatus and method of coupling |
| 10/05/2000 | WO2000059180A1 Vertical buzzer/earphone to reduce humming sounds |
| 10/04/2000 | EP1040727A2 Moving-coil loudspeaker |
| 10/04/2000 | CN2399895Y Non-elastic wave loudspeaker with loudspeaker box function |
| 10/03/2000 | US6128393 Microphone with shock-resistant means |
| 09/27/2000 | EP1039777A2 Small microphone |
| 09/20/2000 | EP1037502A2 Speaker |
| 09/20/2000 | EP1036485A1 Device having two coaxially disposed bodies which are movable relative to one another along a translation axis |
| 09/20/2000 | EP1036484A1 Resonant mode panel-loudspeakers |
| 09/19/2000 | US6122389 Flush mounted directional microphone |
| 09/14/2000 | WO2000054551A2 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 |
| 09/14/2000 | WO2000054548A2 Electronic apparatus incorporating a loudspeaker comprising a bending wave panel member |
| 09/14/2000 | CA2365308A1 Electronic apparatus |
| 09/13/2000 | CN1266604A Sound radiating devices |
| 09/12/2000 | US6118884 Audio voice coil adaptor ring |
| 09/08/2000 | WO2000052962A1 Speaker and speaker device |
| 09/08/2000 | WO2000052961A1 Vibration actuator having magnetic circuit elastically supported by a spiral damper with increased compliance |
| 09/08/2000 | CA2330005A1 Vibration actuator having magnetic circuit elastically supported by a spiral damper with increased compliance |
| 09/07/2000 | DE19909556A1 Manufacturing coil windings involves applying conductive coating to thin hollow carrier body and selectively removing conducting material from inside and outside to produce coil |
| 09/06/2000 | EP1033062A1 Telescoping loudspeaker having multiple coaxial voice coils |
| 09/06/2000 | EP1033061A1 An improved low frequency transducer enclosure |
| 09/06/2000 | CN1265816A Cap and central pole device and their connection method |
| 09/05/2000 | US6115479 Wax, copper foil flexible wire with wax and speakers using this flexible wire |
| 08/31/2000 | WO2000035242A3 Bending wave panel-form loudspeaker |
| 08/31/2000 | DE10008323A1 Lautsprecher Speaker |
| 08/30/2000 | EP1031256A1 Linear loudspeaker |
| 08/30/2000 | CN2394302Y Magnetic cores for speakers |
| 08/29/2000 | US6111972 Diffusing volume electroacoustic transducer |
| 08/29/2000 | US6111970 Suspension for high power pleated ribbon transducer |