| Patents for H04R 9 - Transducers of moving-coil, moving-strip, or moving-wire type (11,486) | 
|---|
| 02/08/2012 | CN102348154A Miniature moving coil type energy transducer | 
| 02/08/2012 | CN102348153A Micro moving-coil type electro-acoustic converter | 
| 02/08/2012 | CN102348152A Multifunctional speaker using mesh cover | 
| 02/07/2012 | US8111870 Electrodynamic transducer and use thereof in loudspeakers and geophones | 
| 02/07/2012 | US8111869 Speaker device | 
| 02/07/2012 | US8111868 Speaker device | 
| 02/07/2012 | US8111856 Variable directional microphone unit and variable directional microphone | 
| 02/07/2012 | US8111855 Microphone assembly and a portable electronic device using the microphone assembly | 
| 02/07/2012 | US8111836 System and method using a phased array of acoustic generators for producing an adaptive null zone | 
| 02/02/2012 | WO2012015145A2 Multifunctional speaker using a mesh cover | 
| 02/02/2012 | WO2012015144A2 Multifunctional speaker with deformation prevention structure | 
| 02/02/2012 | US20120027245 Transducers with improved viscous damping | 
| 02/01/2012 | EP2412175A1 Bone conduction transducer with improved high frequency response | 
| 02/01/2012 | CN202135306U 动圈式电声转换器 Dynamic electro-acoustic transducer | 
| 02/01/2012 | CN202135305U 改进内磁式扬声器磁气回路装置结构 Improved internal magnetic speaker magnetic circuit device structure | 
| 02/01/2012 | CN202135304U 被动辐射器 Passive radiator | 
| 02/01/2012 | CN202135303U 微型双磁钢磁路乐音喇叭 Miniature dual tone horn magnet magnetic circuit | 
| 02/01/2012 | CN202135302U 发声器 Sounders | 
| 02/01/2012 | CN202135301U Minisize sound production member | 
| 02/01/2012 | CN1905759B 扬声器阻尼器及安装扬声器阻尼器的方法 Speaker damper and damper installation method speaker | 
| 02/01/2012 | CN1819710B 反射板减振 Reflective plate vibration | 
| 02/01/2012 | CN102340726A Dynamic speaker system | 
| 02/01/2012 | CN102340725A Loudspeaker and vibrating diaphragm thereof | 
| 02/01/2012 | CN102340724A Micro speaker having a linear vibration structure, and method for manufacturing same | 
| 02/01/2012 | CN101916567B 应用于双麦克风系统的语音增强方法 Voice applied to dual-microphone system enhancement | 
| 02/01/2012 | CN101237716B 扬声器单元和扬声器装置 Speaker unit and speaker system | 
| 02/01/2012 | CN101185372B 电声换能器 Electro-acoustic transducer | 
| 01/31/2012 | US8107664 Cap with bluetooth headset | 
| 01/31/2012 | US8107662 Porting | 
| 01/26/2012 | US20120019689 Electronic apparatus for generating beamformed audio signals with steerable nulls | 
| 01/25/2012 | EP2410767A1 MEMS dynamic pressure sensor, in particular for microphone-making applications | 
| 01/25/2012 | EP2410766A1 Speaker device | 
| 01/25/2012 | EP2409496A1 Improvements to loudspeakers | 
| 01/25/2012 | CN202127507U Multi-sound cone speaker | 
| 01/25/2012 | CN202127506U Novel loudspeaker | 
| 01/25/2012 | CN202127505U Full-frequency vibration loudspeaker | 
| 01/25/2012 | CN202127504U Magnetic circuit system | 
| 01/25/2012 | CN102334346A Voice coil for speaker device, and speaker device | 
| 01/25/2012 | CN102333270A Sounder | 
| 01/24/2012 | US8103044 Speaker device | 
| 01/24/2012 | US8103038 Boundary microphone | 
| 01/24/2012 | US8103034 Mounting device and speaker assembly having the same | 
| 01/24/2012 | US8102015 Microphone package with minimum footprint size and thickness | 
| 01/19/2012 | US20120014552 Microphone housing with disassembly protection for a cap thereof | 
| 01/19/2012 | US20120014550 Speaker unit to be used for projector | 
| 01/18/2012 | EP2408219A1 Micro speaker | 
| 01/18/2012 | CN202121770U Power amplifier output driving and induced voltage driving compound type full frequency loudspeaker | 
| 01/18/2012 | CN202121769U Cover type loudspeaker of mobile terminal | 
| 01/18/2012 | CN202121768U Thin type loudspeaker | 
| 01/18/2012 | CN202121767U Large power voice coil | 
| 01/18/2012 | CN202121766U Vibratile loudspeaker | 
| 01/18/2012 | CN202121765U Multifunctional loudspeaker with grille | 
| 01/17/2012 | US8098877 Vibration speaker and a portable electronic device comprising the vibration speaker | 
| 01/17/2012 | US8098852 Acoustic reflector and energy storage for media assemblies | 
| 01/17/2012 | US8098546 Geophone having improved sensitivity | 
| 01/12/2012 | WO2012006212A1 Earphone driver and method of manufacture | 
| 01/12/2012 | WO2012005433A2 Multi-functional micro speaker | 
| 01/12/2012 | WO2011105844A3 Flat diaphragm and planar speaker using same | 
| 01/12/2012 | US20120008812 Loudspeaker | 
| 01/11/2012 | CN202111855U Moving coil type electroacoustic transducer | 
| 01/11/2012 | CN202111854U Miniature sound producing device | 
| 01/11/2012 | CN202111853U Ultrathin flat plane speaker | 
| 01/11/2012 | CN202111852U Disc type spring resonance sound generator | 
| 01/11/2012 | CN202111851U Miniature sounding device | 
| 01/11/2012 | CN202111850U 发声器 Sounders | 
| 01/11/2012 | CN202111849U Hysteresis-free electrodynamic transducer with dynamic impedance corrective loop | 
| 01/11/2012 | CN202111848U Mini-type sound producing device | 
| 01/11/2012 | CN202110784U Movable advertising board | 
| 01/11/2012 | CN102316401A Multi-functional micro speaker | 
| 01/11/2012 | CN102316400A Horn and portable electronic device adopting same | 
| 01/11/2012 | CN102316399A Slim-type speaker | 
| 01/11/2012 | CN102316398A Speaker device | 
| 01/10/2012 | US8094867 Speaker, yoke thereof and method for manufacturing yoke | 
| 01/10/2012 | US8094866 Loudspeaker without extraneous cone forces due to air trapped behind the dust cover | 
| 01/10/2012 | US8094857 Sing-along stand with performance interface configured to display a music storage/playback device | 
| 01/10/2012 | US8094856 Microphone coupler for a communication device | 
| 01/04/2012 | EP1382221B1 Inertial exciter for loudspeaker | 
| 01/04/2012 | CN202103841U Loudspeaker with elastic terminal | 
| 01/04/2012 | CN202103840U High-power loudspeaker | 
| 01/04/2012 | CN202103839U Dual-driver loudspeaker | 
| 01/04/2012 | CN202103838U Loudspeaker with composite diaphragm | 
| 01/04/2012 | CN202103837U Enhanced passive radiator | 
| 01/04/2012 | CN202103836U Loudspeaker vibrating diaphragm and loudspeaker | 
| 01/04/2012 | CN202103835U High-performance vibration type loudspeaker | 
| 01/04/2012 | CN202103834U Sounding device of underground untethered transmission system | 
| 01/04/2012 | CN202103833U Double-cone thin type loudspeaker possessing step structure | 
| 01/04/2012 | CN202103832U Sounding device | 
| 01/04/2012 | CN202103831U T-shaped iron die | 
| 01/04/2012 | CN102308595A Speaker device | 
| 01/04/2012 | CN102307324A Insert molded surround with mechanical support | 
| 01/04/2012 | CN101044788B Speaker | 
| 01/03/2012 | US8090131 Steerable acoustic waveguide | 
| 01/03/2012 | US8090130 Highly portable media devices | 
| 01/03/2012 | US8090123 Microphone | 
| 12/29/2011 | WO2011162457A1 Micro-speaker of an amplifier-mounting type | 
| 12/29/2011 | US20110317867 Speaker unit and portable information terminal | 
| 12/29/2011 | US20110317862 Sound pickup apparatus | 
| 12/28/2011 | EP2400784A1 Inner magnetic transducer with multiple magnectic gaps and multiple coils and preparation method thereof | 
| 12/28/2011 | CN202095087U 一种长条形扬声器 A long-speaker bar | 
| 12/28/2011 | CN202095086U 电动式扬声器 Electric loudspeaker |