| Patents for H04R 9 - Transducers of moving-coil, moving-strip, or moving-wire type (11,486) |
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| 05/01/2013 | CN103079152A Loudspeaker centering support sheet and paper basin folding ring compliance test instrument and compliance factor calculating method |
| 05/01/2013 | CN103079151A Novel bone conduction type telephone receiver |
| 05/01/2013 | CN101577849B Loudspeaker environment-friendly vibrating body material |
| 04/30/2013 | US8433090 Ribbon microphone with rounded magnet motor assembly, backwave chamber, and phantom powered JFET circuit |
| 04/25/2013 | WO2013032220A3 Oval micro speaker unit having high-power characteristics |
| 04/25/2013 | WO2012173669A3 Audio devices having electroactive polymer actuators |
| 04/24/2013 | CN202907176U Loudspeaker with magnetic circuit assembly |
| 04/24/2013 | CN202907175U Foldable speaker |
| 04/24/2013 | CN202907174U Frequency demultiplier |
| 04/24/2013 | CN202907173U Frequency-reducing horn capable of being mounted quickly |
| 04/24/2013 | CN202907172U 一种喇叭结构 One kind of horn structure |
| 04/24/2013 | CN202907171U Foldable loudspeaker convenient for transmission |
| 04/24/2013 | CN202907170U Passive radiator and corresponding speaker box |
| 04/24/2013 | CN202907169U Moving-coil type loudspeaker |
| 04/24/2013 | CN202907168U Multi-cone moving-coil loudspeaker and sound box |
| 04/24/2013 | CN202907167U Loudspeaker device |
| 04/24/2013 | CN202907166U 发声器 Sounders |
| 04/24/2013 | CN202907165U 扬声器装置 Speaker system |
| 04/24/2013 | CN202907164U Electroacoustic transducer |
| 04/24/2013 | CN202907163U Loudspeaker iron cone frame with wiring frame hole |
| 04/24/2013 | CN202907162U Loudspeaker iron cone frame |
| 04/24/2013 | CN202907161U 磁路系统 Magnetic system |
| 04/24/2013 | CN202907160U Environmental protection energy-saving type voice coil skeletal material |
| 04/24/2013 | CN202907159U Loudspeaker module |
| 04/24/2013 | CN103067835A Moving-coil speaker and manufacturing method thereof |
| 04/24/2013 | CN103067834A Vibration loudspeaker |
| 04/24/2013 | CN103067833A Back counter electrode and microphone |
| 04/24/2013 | CN103067832A Structure-improved bone-conduction receiver |
| 04/24/2013 | CN103067831A Diaphragm and microphone |
| 04/24/2013 | CN103067817A Waterproof sound-transparent structure and electroacoustic device |
| 04/23/2013 | US8428296 Bobbin and loudspeaker using the same |
| 04/23/2013 | US8428295 Loudspeaker that is axially stabilized out of the diaphragm suspension plane |
| 04/23/2013 | US8428285 Microphone screen with common mode interference reduction |
| 04/18/2013 | DE102011084541A1 Mikro-elektromechanisches Lautsprecherarray und Verfahren zum Betreiben eines mikro-elektromechanischen Lautsprecherarrays Micro-electro-mechanical speaker array, and method for operating a micro-electro-mechanical speaker array |
| 04/17/2013 | EP2582154A2 Micro speaker module |
| 04/17/2013 | EP2582153A1 Portable Electronic Device with Magnetic Audio Interface and Audio Reproduction Accessory Therefor |
| 04/17/2013 | CN202889617U Speaker with two magnetic circuits and hanging piece |
| 04/17/2013 | CN202889616U Moving-coil loudspeaker |
| 04/17/2013 | CN202889615U Pad subassembly for preventing speaker from being reversely installed, and speaker |
| 04/17/2013 | CN202889614U Voice coil and voice diaphragm integrated structure, loudspeaker as well as mobile terminal |
| 04/17/2013 | CN202889613U T iron for loudspeaker |
| 04/17/2013 | CN202889612U Structure for connecting loudspeaker frame and clamping plate |
| 04/17/2013 | CN202889611U U iron for loudspeaker |
| 04/17/2013 | CN202889610U T iron member for loudspeaker |
| 04/17/2013 | CN202889609U Improved elastic wave structure for thin type loudspeaker |
| 04/17/2013 | CN202889551U Integrated waterproof loudspeaker |
| 04/17/2013 | CN1496189B Miniature full range loudspeaker |
| 04/17/2013 | CN103053178A Electrodynamic sound-emitting body |
| 04/17/2013 | CN103052009A Sounding unit for eliminating gear sound influence |
| 04/17/2013 | CN103052008A Micro speaker module |
| 04/17/2013 | CN103052007A Wireless location vehicle terminal with binding posts arranged in audio cavities |
| 04/17/2013 | CN101931840B Thin type speaker with wavy positioning support chip |
| 04/17/2013 | CN101902675B Thin speaker capable of strengthening bass/mega bass sound effect |
| 04/17/2013 | CN101810010B Speaker |
| 04/17/2013 | CN101472211B Voice coil assembly, loudspeaker using the same, and method for producing the same |
| 04/16/2013 | US8422727 Electro-acoustical transducer |
| 04/16/2013 | US8422726 Ironless and leakage free coil transducer motor assembly |
| 04/16/2013 | US8422725 Bobbin and loudspeaker using the same |
| 04/16/2013 | US8422723 Loudspeaker and electronic device including loudspeaker |
| 04/16/2013 | US8422716 Dual locking boom pole |
| 04/16/2013 | US8422713 Spherically housed loudspeaker system |
| 04/11/2013 | WO2013052278A1 Speaker magnet thermal management |
| 04/11/2013 | WO2013002499A3 Flat-type speaker having n magnets and n+1 voice coil plates |
| 04/11/2013 | DE102011084168A1 Bending wave loudspeaker installed in e.g. electrically propelled motor vehicle, has bending wave diaphragm that is provided with porous sound absorption layer having porosity of preset range, and which is vibrated by excitation device |
| 04/10/2013 | EP2579614A1 Speaker Magnet Thermal Management |
| 04/10/2013 | EP2577994A2 Heat dissipating acoustic transducer with mounting means |
| 04/10/2013 | EP2577993A2 System for vibration confinement |
| 04/10/2013 | EP2577992A1 Acoustic loudspeaker |
| 04/10/2013 | EP2577989A1 Acoustic loudspeaker |
| 04/10/2013 | CN202873051U On-surface sound pickup type microphone |
| 04/10/2013 | CN202873050U Double magnetic circuit resonance speaker containing integrated elastic sheet support and split vibration head |
| 04/10/2013 | CN202873049U Compound magnetic path system loudspeaker |
| 04/10/2013 | CN202873048U Small-sized loudspeaker and vibration structure thereof |
| 04/10/2013 | CN202873047U Corrosion-resistant high-fidelity speaker |
| 04/10/2013 | CN202873046U Vibration loudspeaker |
| 04/10/2013 | CN202873045U Miniature loudspeaker module structure with self-adaptive pressure balance |
| 04/10/2013 | CN202873044U Centering disk and loudspeaker using centering disk |
| 04/10/2013 | CN202873043U Sound-gathering mounting plate for loudspeaker |
| 04/10/2013 | CN202873042U Composite vibration diaphragm and loudspeaker using same |
| 04/10/2013 | CN202873041U Composite vibration diaphragm and loudspeaker using same |
| 04/10/2013 | CN202873040U Composite vibration diaphragm and loudspeaker using same |
| 04/10/2013 | CN202873039U Composite diaphragm and loudspeaker applying the same |
| 04/10/2013 | CN202873038U Composite vibration diaphragm and loudspeaker using same |
| 04/10/2013 | CN202873037U Composite diaphragm and loudspeaker applying the same |
| 04/10/2013 | CN1812644B High-sound quality double-magnetic pole double-moving coil type loudspeaker with high-conversion rate electric-acoustic |
| 04/10/2013 | CN1805618B Bidirectional headphone and hands-free loudspeaker and power amplifier and control circuit for mobile audio devices |
| 04/10/2013 | CN103037293A Speaker with two magnetic circuits and one hanging piece |
| 04/10/2013 | CN103037292A Adsorption horn with situation function |
| 04/10/2013 | CN103037291A 扬声器磁体热管理 Speaker magnet thermal management |
| 04/10/2013 | CN103037283A Thin double-cone phase inversion type loudspeaker box |
| 04/10/2013 | CN101562768B Minitype acoustic generator |
| 04/10/2013 | CN101547393B Flat film loudspeaker |
| 04/09/2013 | US8416978 Vibration pickup microphone |
| 04/09/2013 | US8415838 Linear motor with two magnets and a coil carrier having multiple winding areas with each area having a section of a coil wound with one continuous wire with the winding in opposite directions in spaced apart winding areas |
| 04/04/2013 | WO2013047792A1 Speaker, manufacturing method thereof, and drive unit thereof |
| 04/04/2013 | WO2013047017A1 Electrodynamic exciter |
| 04/04/2013 | WO2013046355A1 Electromotive type sound emitter |
| 04/04/2013 | WO2012169792A3 Flat-type speaker having plurality of magnetic circuits which are horizontally connected |
| 04/03/2013 | CN202856969U Mini loudspeaker |
| 04/03/2013 | CN202856968U Double-face sounding loudspeaker |