| Patents for H04R 9 - Transducers of moving-coil, moving-strip, or moving-wire type (11,486) |
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| 01/24/2008 | WO2007132431A3 Loudspeaker with reduced rocking tendency |
| 01/24/2008 | US20080019551 Sound receiver |
| 01/24/2008 | US20080019550 Reproducing apparatus and method for automatically converting output mode based on movements of casing |
| 01/23/2008 | EP1881739A1 Production equipment for loud speaker magnetic circuit |
| 01/23/2008 | EP1881734A1 Speaker |
| 01/23/2008 | EP1881733A1 Speaker apparatus |
| 01/23/2008 | CN201011740Y Small high-power loudspeaker structure |
| 01/23/2008 | CN101111097A Loudspeaker |
| 01/23/2008 | CN100364364C Speaker surtable to different output power |
| 01/17/2008 | WO2008008034A1 High frequency diaphragm and voice coil assembly |
| 01/17/2008 | US20080013782 Gasket and associated apparatus and methods |
| 01/17/2008 | US20080013781 High-frequency diaphragm and voice coil assembly |
| 01/17/2008 | US20080013780 Speaker device |
| 01/17/2008 | US20080013779 Audio speaker having a removable voice coil |
| 01/17/2008 | US20080013770 microphone array in housing receiving sound via guide tube |
| 01/17/2008 | CA2656924A1 High frequency diaphragm and voice coil assembly |
| 01/16/2008 | EP1233646B1 Speaker |
| 01/16/2008 | CN101107878A Speaker |
| 01/16/2008 | CN101107877A Loudspeaker damper, manufacturing method thereof, and loudspeaker and electronic device using the same |
| 01/16/2008 | CN101107876A Electromagnetic converter |
| 01/16/2008 | CN101106838A Holding method for magnetic liquid and loudspeaker using the same |
| 01/16/2008 | CN101106837A Connected body high and low sound tongue reed horn |
| 01/16/2008 | CN100362598C Audio-frequency signal conduction wire |
| 01/16/2008 | CN100362597C Audio transmission line |
| 01/15/2008 | US7319773 Subminiature bone vibrating speaker using the diaphragm and mobile phone thereby |
| 01/15/2008 | US7319772 Speaker device for improving mid/high-range frequencies |
| 01/15/2008 | US7319767 Line array electroacoustical transducing |
| 01/15/2008 | US7318496 Acoustic radiator with a baffle of a diameter at least as large as the opening of the speaker enclosure to which it is mounted |
| 01/10/2008 | WO2008004718A1 Multi-function micro speaker |
| 01/10/2008 | WO2008004293A1 Loudspeaker device |
| 01/10/2008 | WO2008004272A1 Speaker device and speaker unit |
| 01/10/2008 | WO2008003583A1 Miniature electro-acoustic transducer with integrated coupling coil |
| 01/10/2008 | DE102006031433A1 Exciter für Flachmembranlautsprecher Exciter for flat panel loudspeaker |
| 01/09/2008 | EP1876861A1 Exciter for flat membrane loudspeaker |
| 01/09/2008 | EP1876860A2 Electro-acoustic transducer and a method for assembly thereof |
| 01/09/2008 | EP1340407B1 Loudspeakers |
| 01/09/2008 | CN201004712Y A flexible wave for loudspeaker |
| 01/08/2008 | US7317810 Magnetic circuit and speaker |
| 01/08/2008 | US7317808 Microphone |
| 01/08/2008 | US7316290 Acoustic lens system |
| 01/08/2008 | US7316289 Electro-acoustic transducer and method of manufacturing transducer |
| 01/03/2008 | US20080002850 Speaker and manufacturing method |
| 01/03/2008 | US20080002837 Variable directional condenser microphone unit |
| 01/03/2008 | US20080001016 Method of Manufacturing a Coil |
| 01/02/2008 | EP1874086A2 Speaker device |
| 01/02/2008 | EP1874085A1 Speaker |
| 01/02/2008 | CN201001193Y Vibration sounder |
| 01/02/2008 | CN100359991C Energy saving acoustic system with low cost, high electroacoustic conversion efficiency and constant playback sound pressure |
| 01/02/2008 | CN100359990C Magnetic system of electro-acoustical converter |
| 01/01/2008 | US7315628 Diaphragm for loud speaker and loud speaker employing it |
| 12/27/2007 | WO2007148869A1 Manufacturing method of slim type microspeaker |
| 12/27/2007 | US20070297640 Loudspeaker device |
| 12/27/2007 | US20070297639 Multiple magnet loudspeaker |
| 12/27/2007 | US20070297638 Boundary layer regulator for extended range acoustical transducers |
| 12/27/2007 | US20070297630 Sound receiver |
| 12/20/2007 | US20070291976 Electrodynamic exciter |
| 12/19/2007 | EP1868357A2 Mobile terminal having speaker control and method of use |
| 12/19/2007 | CN200994188Y Small-power full frequency prominent low frequency loudspeaker |
| 12/19/2007 | CN200994187Y Improved structure of loudspeaker device |
| 12/19/2007 | CN101091413A Diaphragm for speaker, method for producing the same, speaker using such diaphragm and apparatus using such speaker |
| 12/19/2007 | CN100356444C Electric-mechanical-acoustic transducer and method for mfg. same |
| 12/18/2007 | CA2407123C Low distortion loudspeaker cone suspension |
| 12/13/2007 | US20070287516 Directional wireless communication systems |
| 12/13/2007 | US20070286445 Microphone Assembly with Preamplifier and Manufacturing Method Thereof |
| 12/13/2007 | DE19806509B4 Gerät zur Informationswiedergabe Device for reproducing information |
| 12/12/2007 | EP1864393A2 Acoustic wave generating apparatus and method |
| 12/11/2007 | US7305750 Method of assembling a loudspeaker |
| 12/06/2007 | WO2007139050A1 Vibrating device |
| 12/06/2007 | WO2007139046A1 Acoustic exciter and speaker using it |
| 12/06/2007 | WO2007138886A1 Hybrid actuator, loudspeaker and sound output method |
| 12/06/2007 | WO2007117200A3 Method for the manufacturing of balanced transducers |
| 12/06/2007 | US20070280500 Loudspeaker |
| 12/06/2007 | US20070280499 Speaker with acoustic damped port |
| 12/05/2007 | EP1863319A2 Speaker |
| 12/05/2007 | EP1862034A1 Electro-acoustic transducer |
| 12/05/2007 | CN200987215Y Structure for improving medium high frequency response of loudspeaker |
| 12/05/2007 | CN100353812C Magnetic circuit for loudspeaker and loudspeaker comprising it |
| 12/04/2007 | US7305248 Electronic device |
| 12/04/2007 | CA2379534C Low frequency vibrator |
| 11/29/2007 | WO2007135746A1 Speaker unit |
| 11/29/2007 | WO2007135745A1 Speaker device |
| 11/29/2007 | WO2007135740A1 Packaging structure for electromechanical acoustic transducer |
| 11/29/2007 | WO2007135681A1 Arrays of current bearing elements useful for generating pressure waves |
| 11/29/2007 | WO2007135680A1 Apparatus and methods for generating pressure waves |
| 11/29/2007 | US20070274558 Squeeze-stretch driver for earphone and the like |
| 11/29/2007 | US20070274557 Speaker |
| 11/29/2007 | US20070274556 Speaker Device |
| 11/29/2007 | US20070274547 Display device |
| 11/29/2007 | US20070274543 Multifunction-Type Vibration Actuator And Mobile Terminal Device |
| 11/28/2007 | EP1860912A1 Speaker |
| 11/28/2007 | CN200983675Y Micro dynamic coil electrical sound part |
| 11/27/2007 | US7302077 Electromagnetic driver for a planar diaphragm loudspeaker |
| 11/27/2007 | US7302076 Low profile speaker and system |
| 11/27/2007 | US7302073 Method of detecting and deterring microphone sabotage |
| 11/22/2007 | US20070269076 Electroacoustic Transducer and Electronic Device Using the Same |
| 11/22/2007 | US20070269071 Non-Planar Transducer Arrays |
| 11/21/2007 | EP1858290A1 Diaphragm for planar speaker and planar speaker |
| 11/21/2007 | CN101076205A Method for assembling microphone and microphone |
| 11/20/2007 | US7298861 Loudspeaker |
| 11/20/2007 | US7298859 Microphone with reduced noise |