| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 11/18/2009 | CN201349322Y Multi-port earphone |
| 11/18/2009 | CN201349321Y Earphones capable of one-sided volume adjustment |
| 11/18/2009 | CN201349320Y Inner ear type earphone |
| 11/18/2009 | CN201349319Y Card insertion type Bluetooth earphone |
| 11/18/2009 | CN201349318Y Storage device matched with earphone |
| 11/18/2009 | CN201349317Y Microphone capable of storing and playing songs and video files |
| 11/18/2009 | CN201349316Y Microphone device for movable termination, and movable termination with same |
| 11/18/2009 | CN201349315Y 扬声器弹簧安装座 Speaker of the spring mount |
| 11/18/2009 | CN201349314Y Speaker for railway passenger car used in combination with volume adjuster |
| 11/18/2009 | CN201349313Y Speaker for railway passenger car |
| 11/18/2009 | CN201349312Y Combined-type process wall-mounted speaker |
| 11/18/2009 | CN201349311Y Display equipment and loudspeaker support |
| 11/18/2009 | CN201349243Y PPT controller for earphone mic of interphone |
| 11/18/2009 | CN201349232Y Handset with a loudspeaker on an upturned cover and a loudspeaker sound cavity sealing structure |
| 11/18/2009 | CN101583071A Method for manufacturing array microphones and system for categorizing microphones |
| 11/18/2009 | CN101583069A Multimedia bone conduction device |
| 11/18/2009 | CN101583068A Electroacoustic transducing device |
| 11/18/2009 | CN101583064A Micro audio directional loudspeaker with three dimension soundeffect |
| 11/18/2009 | CN101583062A Array micro audio directional transducer |
| 11/18/2009 | CN101583061A Micro speaker with directional transaudient function |
| 11/18/2009 | CN101583060A Replaceable component and recyclable component of earphone |
| 11/18/2009 | CN101583059A Noise-cancelling headphone |
| 11/18/2009 | CN101583058A Radiation-resistant air sound wave conduction earphone of mobile phone |
| 11/18/2009 | CN101582260A Non-amplitude modulation speech coding method and device in electrical cochlea |
| 11/18/2009 | CN100562180C Earphone |
| 11/17/2009 | CA2509850C Modular loudspeaker |
| 11/12/2009 | WO2009137147A1 Headset wearer identity authentication with voice print or speech recognition |
| 11/12/2009 | WO2009136498A1 Vibration-proof supporting method and vibration-proof supporting structure for microphones |
| 11/12/2009 | WO2009136228A1 Vibration generator for electronic device having speaker driver and counterweight |
| 11/12/2009 | US20090279733 Speaker assembly arrangement for a vehicle and method of mounting a speaker |
| 11/12/2009 | US20090279732 Speaker assembly with directional adjustability |
| 11/12/2009 | US20090279731 Earphone |
| 11/12/2009 | US20090279729 Dual-frequency coaxial earphones |
| 11/12/2009 | US20090279728 Game controller with speaker |
| 11/12/2009 | US20090279720 Speaker |
| 11/12/2009 | US20090279718 Audio recordation and reproduction spring clips |
| 11/12/2009 | US20090279716 Vibration generator for electronic device having speaker driver and counterweight |
| 11/12/2009 | US20090279713 Multi-Voltage headphone drive circuit |
| 11/12/2009 | US20090277713 Acoustic Loading Device for Loudspeakers |
| 11/12/2009 | DE202009011282U1 Zusammensetzbarer Lautsprecher Modular assembly speaker |
| 11/12/2009 | DE202008008307U1 Mikrofonanordnung, die zum Tragen an einem Ohr ausgebildet ist A microphone assembly, which is adapted to be worn on one ear |
| 11/12/2009 | DE10144787C5 Fahrzeug mit einem Schallabstrahlelement Vehicle with a Schallabstrahlelement |
| 11/11/2009 | EP2116100A1 Earphone |
| 11/11/2009 | EP2116099A1 Wired headset with integrated switch |
| 11/11/2009 | EP2115912A1 System and method for intelligent equalization |
| 11/11/2009 | EP2115819A1 Contact system |
| 11/11/2009 | EP1330936B1 Direct coupling of waveguide to compression driver having matching slot shaped throats |
| 11/11/2009 | CN201345731Y 驻极体电容传声器 Electret condenser microphone |
| 11/11/2009 | CN201345726Y High-frequency directivity control converter for acoustic irradiation |
| 11/11/2009 | CN201345725Y Trumpet |
| 11/11/2009 | CN201345724Y 号角 Horn |
| 11/11/2009 | CN201345723Y A matrix treble KTV sound box |
| 11/11/2009 | CN201345722Y Low-frequency extension unit |
| 11/11/2009 | CN201345721Y Phase modulator for electroacoustic loudspeaker |
| 11/11/2009 | CN201345720Y Microphone handle |
| 11/11/2009 | CN201345719Y Primary-secondary microphone |
| 11/11/2009 | CN201345718Y 固定装置 Fixtures |
| 11/11/2009 | CN201345717Y Sounding element |
| 11/11/2009 | CN201341496Y Music functional shoe |
| 11/11/2009 | CN101578653A Use of a directed sound source, medical treatment station and medical treatment room |
| 11/11/2009 | CN101578201A Automobile vehicle subassembly for securing a fittings grid |
| 11/11/2009 | CN101577850A Implanted piezoelectric ceramic microphone and manufacturing method thereof |
| 11/11/2009 | CN101577847A 信号处理设备和信号处理方法 The signal processing apparatus and signal processing method |
| 11/11/2009 | CN101577846A Sound boxes |
| 11/11/2009 | CN100559895C Headphone |
| 11/11/2009 | CN100559461C Device and method for voice activity detection |
| 11/10/2009 | US7616770 Electro-acoustic apparatus |
| 11/10/2009 | US7616769 Variable and shiftable acoustic output signal limiter |
| 11/10/2009 | US7616768 Vehicle accessory microphone having mechanism for reducing line-induced noise |
| 11/10/2009 | US7616767 Method and device for determining acoustical transfer impedance |
| 11/10/2009 | US7614578 Headphone with cord reel |
| 11/10/2009 | CA2204004E Global sound microphone system |
| 11/05/2009 | WO2009135043A2 Using towed seismic surveys that do not have coinciding streamer positions in the time lapse analysis of a producing field |
| 11/05/2009 | WO2009134591A1 Passive directional acoustic radiating |
| 11/05/2009 | WO2009134519A1 Miniaturized acoustic boom structure for reducing microphone wind noise and electrostatic discharge susceptibility |
| 11/05/2009 | WO2009134127A1 Composite microphone, microphone assembly and method of manufacturing those |
| 11/05/2009 | WO2009134107A2 Noise cancelling apparatus |
| 11/05/2009 | WO2009133873A1 Acoustic device |
| 11/05/2009 | WO2009132646A1 A method of combining at least two audio signals and a microphone system comprising at least two microphones |
| 11/05/2009 | US20090274337 Speaker voice coil |
| 11/05/2009 | US20090274336 Enclosure and enclosure system for a speaker of an electronic device |
| 11/05/2009 | US20090274334 Mounting Method and Holder for SMD Microphone |
| 11/05/2009 | US20090274329 Passive Directional Acoustical Radiating |
| 11/05/2009 | US20090274317 Headset |
| 11/05/2009 | US20090274313 Slotted Waveguide Acoustic Output Device and Method |
| 11/05/2009 | DE102008021974A1 Motor vehicle, has hollow space separated into hollow space parts by recess, where one of parts is defined by loud speaker, and another part is not defined by loud speaker, and recess is designed in flexible and/or ductile manner |
| 11/05/2009 | DE102008017084A1 Audio system for use in vehicle, has loudspeaker arranged in driving direction seen in front area of vehicle for transmitting sound signal |
| 11/05/2009 | CA2721297A1 Passive directional acoustic radiating |
| 11/04/2009 | EP2114092A1 Audio/video system and method enabling a user to select different views and sounds associated with an event |
| 11/04/2009 | EP2114085A1 Composite microphone, microphone assembly and method of manufacturing those |
| 11/04/2009 | EP2114084A1 Enclosure and enclosure system for a speaker of an electronic device |
| 11/04/2009 | EP2114083A1 Handheld electronic device having offset sound openings |
| 11/04/2009 | CN201341234Y Microphone |
| 11/04/2009 | CN201341229Y High-efficiency full-range loudspeaker |
| 11/04/2009 | CN201341228Y Comfortable and reliable sport earphone |
| 11/04/2009 | CN201341227Y Earphone expander with a plurality of jacks |
| 11/04/2009 | CN201341226Y In-ear earphone |
| 11/04/2009 | CN201341225Y In-ear earphone |
| 11/04/2009 | CN201341224Y Improved in-ear earphone |
| 11/04/2009 | CN201341223Y Supra-aural microphone |