| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 05/06/2004 | WO2003084780A3 Electrochromic rearview mirror assembly incorporating a display/signal light |
| 05/06/2004 | US20040086139 Circuit and method of 3-wired interface for a headphones |
| 05/06/2004 | US20040084591 Bracket for mounting speaker |
| 05/06/2004 | US20040084417 Clad material for lead wire connection |
| 05/06/2004 | US20040084245 Apparatus for increasing the quality of sound from an acoustic source |
| 05/06/2004 | US20040084243 Loudspeaker baffle isolation system |
| 05/06/2004 | EP1415504A2 Solid angle cross-talk cancellation for beamforming arrays |
| 05/06/2004 | EP1415299A1 Acoustic imaging system with non-focusing lens |
| 05/06/2004 | EP1036484B1 Resonant mode panel-loudspeakers |
| 05/06/2004 | EP0980640A4 Wired open ear canal earpiece |
| 05/06/2004 | DE202004001410U1 Integriertes Hörgerät Integrated hearing aid |
| 05/05/2004 | CN2614402Y Multifunctional wireless earphone for learning language |
| 05/05/2004 | CN1494810A Fixable-wire earphone |
| 05/05/2004 | CN1493913A Automatic camera apparatus |
| 05/05/2004 | CN1148994C Loudspeaker |
| 05/05/2004 | CN1148993C Supporter of sound body |
| 05/04/2004 | US6731772 Cushion cover for preventing pains in using earphones |
| 05/04/2004 | US6731765 Loudspeaker device |
| 05/04/2004 | US6731760 Adjusting a loudspeaker to its acoustic environment: the ABC system |
| 05/04/2004 | US6730015 Flexible transducer supports |
| 04/29/2004 | WO2004036951A2 Microphone for simultaneous noise sensing and speech pickup |
| 04/29/2004 | WO2004013977A3 Recreational bone conduction audio device, system |
| 04/29/2004 | US20040082360 Modular communications devices |
| 04/29/2004 | US20040082359 Earprone system for mobile phone |
| 04/29/2004 | US20040082211 Connector |
| 04/29/2004 | US20040081330 Speaker with cabinet |
| 04/29/2004 | US20040081329 Button apparauts with a speaker |
| 04/29/2004 | US20040081327 Hearing aid, a method of controlling a hearing aid, and a noise reduction system for a hearing aid |
| 04/29/2004 | US20040081322 Method and arrangement for processing noise signal from a noise source |
| 04/29/2004 | DE202004003856U1 Omni-directional sound radiator, e.g. for use in football stadia, has sound transducer arranged to radiate vertically upwards in housing, reflector in housing above sound transducer, and central opening. |
| 04/29/2004 | DE202004002786U1 Leuchtende Lautsprecherbox Bright speaker |
| 04/29/2004 | DE202004002079U1 Leuchtender Kopfhörer Brilliant Headphones |
| 04/28/2004 | EP1414267A2 Miniaturized loudspeakers |
| 04/28/2004 | EP1413168A2 Sound reinforcement system having an echo suppressor and loudspeaker beamformer |
| 04/28/2004 | CN2613965Y Microacoustics device based on clamp type vibration diaphragm |
| 04/28/2004 | CN2613964Y Earphone holder rotatable head held type earphone |
| 04/28/2004 | CN1493169A Sound and vision system |
| 04/28/2004 | CN1493168A Concentric co-planar multiband electro-acoustic converter |
| 04/28/2004 | CN1148105C Louds speaker device |
| 04/28/2004 | CN1148104C Improved embedded and hung loudspeaker structure |
| 04/28/2004 | CN1148103C Head clips for direction reversible fixed earphone |
| 04/28/2004 | CN1148046C Multifunctional converter capable of converting electric signal into vibration of element for portable electronic apparatus |
| 04/27/2004 | US6728585 Personal on-demand audio entertainment device that is untethered and allows wireless download of content |
| 04/27/2004 | US6728556 Attachment device for a mobile phone or the like |
| 04/27/2004 | US6728388 Headphone |
| 04/27/2004 | US6728387 Under-the-ear mounting headset |
| 04/27/2004 | US6728386 Electro-acoustic communications unit |
| 04/27/2004 | US6728385 Voice detection and discrimination apparatus and method |
| 04/27/2004 | US6728374 Transmitter/receiver comprising bone-conduction speaker |
| 04/27/2004 | US6726631 Frequency and amplitude apodization of transducers |
| 04/23/2004 | CA2446344A1 Membrane-less microphone and/or speaker capable of functioning in a very wide range of frequencies and with much less distortions |
| 04/22/2004 | WO2004034736A1 Multispeaker sound imaging system |
| 04/22/2004 | WO2004034735A1 Equalizable active electroacoustic device for panels, and method of converting the panels and assembling the devices |
| 04/22/2004 | WO2004034733A1 A sound generating apparatus, a mobile electric device and a system for generating sound |
| 04/22/2004 | WO2004034732A2 Acoustic reproduction device with improved directional characteristics |
| 04/22/2004 | WO2003034781A3 Bass frequency amplifying apparatus |
| 04/22/2004 | WO1990005910A3 Wholly microfabricated biosensors and process for the manufacture and use thereof |
| 04/22/2004 | US20040076309 Audio radiator with radiator flexure minimization and voice coil elastic anti-wobble members |
| 04/22/2004 | US20040076305 Microphone for simultaneous noise sensing and speech pickup |
| 04/22/2004 | US20040075573 Display signs |
| 04/22/2004 | DE20318125U1 Loudspeaker for fitting in false ceilings/cavity walls has holding arms swiveling on bearings on a chassis and springs to press the holding arms from behind against a false ceiling or cavity wall |
| 04/22/2004 | DE20304515U1 Microphone unit comprises a microphone cage which can be installed and removed without use of tools |
| 04/22/2004 | DE202004002981U1 Loudspeaker box for woofer/bass effects has a driven membrane in one flat side of a casing and bass reflex holes |
| 04/22/2004 | CA2490872A1 Equalizable active electroacoustic device for panels, and method of converting the panels and assembling the devices |
| 04/21/2004 | EP1411746A2 Wireless headphones with connector socket for signal plug |
| 04/21/2004 | EP1410683A2 Speaker port system for reducing boundary layer separation |
| 04/21/2004 | EP1410677A2 Improvements in acoustic enclosures |
| 04/21/2004 | EP1410607A1 Microphone/earpiece device for a mobile telephone, telephone, exchange or the like |
| 04/21/2004 | CN2613121Y T-shape rapid current extinguishing paraphase hole |
| 04/21/2004 | CN2613102Y Fixed-frequency, broad-band multi-purpose wireless FM earphone |
| 04/21/2004 | CN1491066A Heat conduction of audio frequency device |
| 04/21/2004 | CN1147207C Loudspeakers |
| 04/21/2004 | CN1147113C Receiver structure having no talking high frequency upitched sound and impact noise |
| 04/21/2004 | CN1147111C Ear microphone |
| 04/21/2004 | CN1146370C Ear muff with sealing ring and method for changing acoustic attenuation characteristics |
| 04/20/2004 | US6724909 Speaker apparatus |
| 04/20/2004 | US6724907 Tweeter support rack structure |
| 04/20/2004 | US6724905 Microphone unit mounting structure |
| 04/20/2004 | US6724904 Microphone mounting assembly |
| 04/15/2004 | WO2004032568A1 Microphone system for vehicle |
| 04/15/2004 | WO2004032567A1 Apparatus and method for moisture controlin an enclosure for e.g . loudspeakers |
| 04/15/2004 | WO2004032566A1 Bone vibrating speaker using the diaphragm and mobile phone thereby |
| 04/15/2004 | WO2003079725A3 Resonator device and associated circuits |
| 04/15/2004 | US20040072598 Signal routing for reduced power consumption in a conferencing system |
| 04/15/2004 | US20040071305 Markings on the faceplate are used to correctly orient shell and faceplate with respect to each other before joining them; hearing aids |
| 04/15/2004 | US20040071302 Microphone |
| 04/15/2004 | US20040071298 Stereo speaker |
| 04/15/2004 | US20040070967 Acoustic light emitting module |
| 04/15/2004 | US20040069561 Polyurethane foam cabinets |
| 04/15/2004 | US20040069560 Method for manufacturing an ear device and ear device |
| 04/15/2004 | DE19757097B4 Schallwiedergabeanordnung Sound reproduction device |
| 04/15/2004 | DE10246585A1 Interior rear-view mirror for motor vehicle, has loudspeakers which are part of bass-reflex system arranged in mirror housing |
| 04/14/2004 | EP1408717A2 Combination loudspeaker unit |
| 04/14/2004 | EP1408716A2 Microphones with equal sensitivity |
| 04/14/2004 | EP0983711A4 Wireless open ear canal earpiece |
| 04/14/2004 | CN2612195Y Adjusting LED fixer |
| 04/14/2004 | CN2612194Y Charging radio microphone |
| 04/14/2004 | CN1489878A Headphone |
| 04/14/2004 | CN1489415A Portable mobile communication machine |
| 04/14/2004 | CN1146125C Portable terminal system |