| Patents for H04R 9 - Transducers of moving-coil, moving-strip, or moving-wire type (11,486) |
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| 06/17/2004 | WO2004052050A1 Personal communication method and apparatus with acoustic stray field cancellation |
| 06/16/2004 | CN2620957Y Dome type three frequency division coaxial loudspeaker |
| 06/16/2004 | CN1505437A Mounting structure for loudspeaker units |
| 06/16/2004 | CN1153824C Curable resin composition, adhesive composition, bonded product, speaker and bonding method |
| 06/15/2004 | US6751334 Electromagnetic vibrator |
| 06/15/2004 | US6751333 Inertial vibration transducers |
| 06/15/2004 | US6751332 Speaker |
| 06/15/2004 | US6751329 Loudspeaker driver |
| 06/10/2004 | WO2004049751A1 Loudspeaker |
| 06/10/2004 | US20040109582 Speaker device |
| 06/09/2004 | EP1427254A2 Electroacoustical transducing with low frequency aufmenting devices |
| 06/09/2004 | EP1427249A1 Voice coil of speaker |
| 06/09/2004 | EP1427248A2 Speaker device |
| 06/09/2004 | EP1033062B1 Telescoping loudspeaker having multiple coaxial voice coils |
| 06/09/2004 | CN2620452Y Four frequency division coaxial load-speaker |
| 06/09/2004 | CN2620451Y Single magnet three-frequency division coaxial load-speaker |
| 06/09/2004 | CN2620450Y Temp detection type pass load-speaker protector |
| 06/09/2004 | CN2620449Y Directional radiation horn |
| 06/08/2004 | US6745867 Loudspeaker drive unit |
| 06/03/2004 | WO2004047434A1 Device having at least one loudspeaker and at least one coil |
| 06/03/2004 | US20040105568 Speaker with enhanced magnetic flux |
| 06/03/2004 | US20040105564 Electrical acoustic converter |
| 06/03/2004 | US20040105559 Electroacoustical transducing with low frequency augmenting devices |
| 06/03/2004 | US20040104070 Speaker's damper with lead wire and guide sleeve |
| 06/03/2004 | DE10201459B4 Dämpfungssicke für Lautsprecher und Verfahren zur Herstellung einer Dämpfungssicke für Lautsprecher Damping ring for speaker and method for producing a damping ring for speakers |
| 06/02/2004 | CN1501737A Electric-to-mechanical-to-acoustic converter and portable terminal unit |
| 06/02/2004 | CN1152602C Loudspeaker with moving coil array |
| 06/02/2004 | CN1152601C Improved loudspeaker driver structure |
| 06/02/2004 | CN1152598C Electronic apparatus |
| 06/01/2004 | US6744904 Multifunction acoustic device |
| 06/01/2004 | US6744895 Loudspeaker |
| 06/01/2004 | CA2229858C Inertial vibration transducers |
| 05/27/2004 | US20040101155 Fixing disk for connecting voice coil with drum paper and retaining them in a speaker |
| 05/27/2004 | US20040101149 Planar type speaker and system using it |
| 05/27/2004 | US20040100344 Moving coil linear actuator |
| 05/27/2004 | US20040099436 Electric cord and loudspeaker using the electric cord |
| 05/27/2004 | DE10215364B4 Antriebsanordnung für einen Lautsprecher Drive arrangement for a speaker |
| 05/26/2004 | EP1421998A1 Vibrating actuator device |
| 05/26/2004 | CN2618399Y Portable thin-face loudspeaker |
| 05/26/2004 | CN2618398Y Improved elastical wave structure |
| 05/26/2004 | CN2618397Y Non-backblow loudspeaker |
| 05/26/2004 | CN2618396Y Binary body audio frequency loudspeaker |
| 05/26/2004 | CN2618395Y Backward power component absorption style medium and low spectrum loudspeaker |
| 05/26/2004 | CN1500365A Planar-magnetic speakers with secondary magnetic structure |
| 05/26/2004 | CN1499483A 电磁声电变换器 Electromagnetic acoustic-electric transducer |
| 05/26/2004 | CN1151701C Electrodynamic loudspeaker and system comprising loudspeaker |
| 05/25/2004 | US6741721 Informing apparatus for mobile communication apparatus |
| 05/25/2004 | US6741151 Moving coil linear actuator |
| 05/25/2004 | US6739424 Speaker system |
| 05/21/2004 | WO2004043113A1 Portable electronic apparatus with diaphragm type speaker |
| 05/20/2004 | US20040096080 Structure for the sound coil of loudspeaker |
| 05/19/2004 | EP1420610A1 Magnetic shielding of loud speaker sensing coil |
| 05/19/2004 | EP1420609A1 Flat speaker of full-face driving |
| 05/19/2004 | EP1419673A2 Loudspeaker with a three-dimensional diaphragm |
| 05/19/2004 | CN2617109Y Loudspeaker brake board |
| 05/19/2004 | CN1498033A 小型扬声器 Small speakers |
| 05/19/2004 | CN1498032A Manufacturing device and method of loudspeaker integral display |
| 05/19/2004 | CN1498025A Voice generator |
| 05/19/2004 | CN1498018A Voice generator |
| 05/19/2004 | CN1150793C Multi-function acoustic assembly |
| 05/18/2004 | US6738490 Loudspeaker with independent magnetic dampening and excursion control |
| 05/18/2004 | US6738489 Vibration speaker |
| 05/13/2004 | WO2004040742A1 Closed-ended linear voice coil actuator with improved force characteristic |
| 05/13/2004 | WO2004023840A3 Suspension for the voice coil of a loudspeaker drive unit |
| 05/13/2004 | US20040091130 Double-dome speaker |
| 05/12/2004 | EP1418793A2 Electromagnetic transducer having a low reluctance return path |
| 05/12/2004 | EP1418792A2 Push-push multiple magnetic air gap transducer |
| 05/12/2004 | EP0976301B1 An electroacoustic transducer and a diaphragm for an electroacoustic transducer |
| 05/12/2004 | CN2615988Y 改良的弹波结构 Improved bomb wave structure |
| 05/12/2004 | CN1496191A Laudspeaker combined component |
| 05/12/2004 | CN1496189A Miniature all sound interval laudspeaker |
| 05/12/2004 | CN1149898C Double-face loudspeaker |
| 05/11/2004 | US6735323 Speaker |
| 05/11/2004 | US6735322 Speaker |
| 05/06/2004 | WO2004039125A1 Electroacoustic transducer and process for producing the same |
| 05/06/2004 | WO2004038741A1 Flat linear voice coil actuator with planar coils and a spring-type characteristic |
| 05/06/2004 | US20040087346 Mobile handset and assembly having multi-loudspeaker system |
| 05/06/2004 | US20040086150 Push-push multiple magnetic air gap transducer |
| 05/06/2004 | US20040086149 One-magnet rectangular transducer |
| 05/06/2004 | US20040086148 Magnetic circuit for loudspeaker and loudspeaker comprising it |
| 05/06/2004 | US20040086147 Loudspeaker |
| 05/06/2004 | US20040086146 Magnetic circuit for speaker, method of manufacture thereof, and speaker using same |
| 05/06/2004 | US20040086145 Push-push multiple magnetic air gap transducer |
| 05/06/2004 | US20040086144 Subwoofer |
| 05/06/2004 | US20040084417 Clad material for lead wire connection |
| 05/06/2004 | US20040084242 Electromagnetic electroacoustic transducer |
| 05/06/2004 | EP1416763A1 Magnetic circuit for speaker, method of manufacture thereof, and speaker incorporating same |
| 05/06/2004 | EP1036484B1 Resonant mode panel-loudspeakers |
| 05/05/2004 | CN2614409Y Multi-ribbon parallel arranged ribbon loudspeaker |
| 05/05/2004 | CN2614408Y High pitch loudspeaker with annular diaphragm |
| 05/05/2004 | CN1494811A Member for electric equipment, member for electroacoustic transducer and method for mfg. thereof |
| 05/04/2004 | US6731773 Dual basket speaker with replaceable, self-aligning cone assembly and super ventilated pole piece |
| 05/04/2004 | US6731762 Wireless microphone having a charger circuit and a transmitter circuit that share a common conductor pair |
| 04/28/2004 | EP1414267A2 Miniaturized loudspeakers |
| 04/28/2004 | EP1413166A1 Sound reproducing system using sound pressure |
| 04/28/2004 | CN1493168A Concentric co-planar multiband electro-acoustic converter |
| 04/28/2004 | CN1492718A Sound producing device of speaker |
| 04/28/2004 | CN1148046C Multifunctional converter capable of converting electric signal into vibration of element for portable electronic apparatus |
| 04/27/2004 | US6725967 Low distortion loudspeaker cone suspension |
| 04/22/2004 | WO2004034739A1 Hearing aid, training device, game device, and audio output device |