| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 07/13/2004 | CA2204444C Spiral-shaped array for broadband imaging |
| 07/13/2004 | CA2194262C In-cord detachable ear hanger for earphone |
| 07/08/2004 | WO2004057910A2 Sound projector |
| 07/08/2004 | WO2004039121A3 Thin enclosure electroacoustical transducing |
| 07/08/2004 | WO2004027457A3 Seafloor seismic recording using mems |
| 07/08/2004 | US20040133430 Sound apparatus, and audio information acquisition method in sound apparatus |
| 07/08/2004 | US20040133426 Vocal sound input apparatus for automotive vehicle |
| 07/08/2004 | US20040131338 Method of reproducing audio signal, and reproducing apparatus therefor |
| 07/08/2004 | US20040131255 Automatic digital music library builder |
| 07/08/2004 | US20040131219 Ported loudspeaker system and method with reduced air turbulence, bipolar radiation pattern and novel appearance |
| 07/08/2004 | US20040131218 Asymmetrical loudspeaker enclosures with enhanced low frequency response |
| 07/08/2004 | US20040131217 Arbitrary coverage angle sound integrator |
| 07/08/2004 | US20040131216 Light assembly system for a loudspeaker |
| 07/08/2004 | US20040129492 Planar diaphragm loudspeaker and related methods |
| 07/07/2004 | EP1435755A2 Speaker system having a front speaker integrated with a reflection-type surround speaker |
| 07/07/2004 | EP1435203A1 A method of treating a meat product to reduce a microbial population in the product |
| 07/07/2004 | EP1047986B1 Joystick with a microphone |
| 07/07/2004 | CN2624568Y An embedded multimedia loudspeaker box |
| 07/07/2004 | CN2624567Y Horn holder |
| 07/07/2004 | CN2624566Y 一种弹波 One kind of bomb wave |
| 07/07/2004 | CN1511429A Method of providing hydrophobic layer and condenser microphone having such layer |
| 07/07/2004 | CN1510965A Micruophone device and bracket for it |
| 07/07/2004 | CN1510843A Wireless earphone with photosensitive battery |
| 07/07/2004 | CN1510685A Inputting devices |
| 07/07/2004 | CN1157097C Electrical contact free microphone attachment for flip-type radio phone |
| 07/07/2004 | CN1157088C Multifunctional music centre apparatus |
| 07/07/2004 | CN1157057C Loudspeaker device with acoustic lenses for video apparatus |
| 07/06/2004 | US6760696 Fast start voice recording and playback on a digital device |
| 07/06/2004 | US6760462 Planar diaphragm loudspeakers with non-uniform air resistive loading for low frequency modal control |
| 07/06/2004 | US6760461 Vehicle loudspeaker |
| 07/06/2004 | US6760460 Speaker system for display |
| 07/06/2004 | US6760459 Method for securing a headset |
| 07/06/2004 | US6760458 Headset and method of manufacturing headsets that utilize a single transceiver form-factor design with a number of different housing styles |
| 07/06/2004 | US6760454 Passive voice-activated microphone and transceiver system |
| 07/06/2004 | US6760450 Microphone array apparatus |
| 07/06/2004 | US6760449 Microphone array system |
| 07/06/2004 | US6759950 Ultrasonic obstacle detector and method of assembling the same |
| 07/06/2004 | US6758451 Folding speaker bracket |
| 07/01/2004 | WO2004056153A1 Audio information support system |
| 07/01/2004 | WO2004056152A1 Clamping device for a headset |
| 07/01/2004 | WO2004056151A2 A loud-speaker system |
| 07/01/2004 | WO2004055820A1 Method and circuit for operating a storage device |
| 07/01/2004 | WO2004023839A3 Headset for camera |
| 07/01/2004 | US20040128127 Method for processing speech using absolute loudness |
| 07/01/2004 | US20040126512 Structural improvement for sound case |
| 07/01/2004 | US20040125981 Electroacoustic transducer |
| 07/01/2004 | US20040125979 Earphone for a cellular phone |
| 07/01/2004 | US20040125978 Headset with adjustable microphone boom |
| 07/01/2004 | US20040125977 Headphone with an automatic reeling device for a jack wire |
| 07/01/2004 | US20040125975 Microphone unit and mehod for adjusting acoustic resistance of acoustic resistor |
| 07/01/2004 | US20040125974 Loud speaker |
| 07/01/2004 | US20040125971 Combination loudspeaker unit |
| 07/01/2004 | US20040125969 Tri axial speaker system |
| 07/01/2004 | US20040124739 Apparatus and method of generating directional acoustic wave |
| 07/01/2004 | DE10304623B3 Foam wind protection member for a microphone, is formed by placing a foam blank on a mandrel, rotating it, and milling it to the desired contours |
| 06/30/2004 | EP1434463A2 Electroacoustic transducer and electronic apparatus with such a transducer |
| 06/30/2004 | EP1434462A2 Vibration propagation suppressing structure |
| 06/30/2004 | EP1434461A2 Microphone unit and holder used in the microphone unit |
| 06/30/2004 | EP1433357A1 Device for listening to voice and/or musical signals by means of cranial bone transmission |
| 06/30/2004 | EP1433355A1 Recording a three dimensional auditory scene and reproducing it for the individual listener |
| 06/30/2004 | EP1433353A2 Waveguide loudspeaker with adjustable controlled dispersion |
| 06/30/2004 | EP1391136A4 Matching an acoustic driver to an acoustic load in an acoustic resonant system |
| 06/30/2004 | CN2622972Y All-angle loundspeakers |
| 06/30/2004 | CN2622971Y Improved structure of vehicle loudspeakers |
| 06/30/2004 | CN2622970Y Lamp decorated loudspeakers for lawn |
| 06/30/2004 | CN1509109A Protable terminal having multi-purpose earhhone socket |
| 06/30/2004 | CN1509076A Earphone with recording function |
| 06/30/2004 | CN1509060A Earphone with MP3 function |
| 06/30/2004 | CN1509042A Gsm无线耳机 Gsm Wireless Headset |
| 06/30/2004 | CN1508991A Wireless earphone testing system |
| 06/30/2004 | CN1508988A 红外无线耳机 Infrared Wireless Headphones |
| 06/30/2004 | CN1508985A Earphone based on bluetooth technology |
| 06/30/2004 | CN1508984A Earphone with signal mdicating lamp |
| 06/30/2004 | CN1508980A Wireless earphone with volume digital regulation function |
| 06/30/2004 | CN1508979A Earphone with radio function |
| 06/30/2004 | CN1508976A 液晶显示无线耳机 LCD wireless headphones |
| 06/30/2004 | CN1508975A 无线耳机 Wireless Headset |
| 06/30/2004 | CN1508974A Chargeable wireless earphone |
| 06/30/2004 | CN1508973A Wireless earphone with error correcting function |
| 06/30/2004 | CN1156197C Horn-type loudspeaker system |
| 06/30/2004 | CN1156129C Sound reflector in hand set for controlling distance communicating tech. |
| 06/29/2004 | US6757401 Microphone holder |
| 06/29/2004 | US6757400 Microphone structure provided with means to engage musical instrument |
| 06/29/2004 | US6757399 Anti-noise-electret pick-up with an electret |
| 06/29/2004 | US6757397 Method for controlling the sensitivity of a microphone |
| 06/24/2004 | WO2004054321A1 Audio signal reproducing method and reproducing apparatus |
| 06/24/2004 | WO2004054315A1 Speaker cabinet |
| 06/24/2004 | WO2004054314A1 Array speaker equipped with projection screen |
| 06/24/2004 | WO2004054211A1 Wireless terminal providing sound pressure level dissipation through channeled porting of sound |
| 06/24/2004 | US20040120978 at least one of antibiotically active and an antimicrobial agent exhibits controlled migration through said shell and to the surface of the shell |
| 06/24/2004 | US20040120541 Inner panel and loudspeaker apparatus |
| 06/24/2004 | US20040120533 Method for extending the frequency range of a beamformer without spatial aliasing |
| 06/24/2004 | US20040120532 Method of broadband constant directivity beamforming for non linear and non axi-symmetric sensor arrays embedded in an obstacle |
| 06/24/2004 | US20040120531 Microphones with equal sensitivity |
| 06/24/2004 | US20040120219 System for housing an audio system in an aquatic environment |
| 06/24/2004 | US20040118630 Pole speaker |
| 06/24/2004 | DE202004006656U1 Multimedia-Mikrofonvorrichtung Multimedia microphone device |
| 06/24/2004 | DE202004006419U1 Bassreflexrohr für Lautsprecher Bass reflex tube for speaker |
| 06/24/2004 | DE202004005374U1 Sound playback apparatus e.g. for cards can store sound sequences on data carrier that can be played back using sound converter and has fixing unit for fixing apparatus to carrier element |
| 06/24/2004 | DE10256970A1 Motor vehicle loudspeaker arrangement has attachment arrangements acting continuously over entire periphery of loudspeaker to produce pressure at each point of periphery to give sealed attachment |