| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 07/29/2004 | US20040147282 Electronic apparatus having a wireless communication device communicating with at least two device |
| 07/29/2004 | US20040147224 Computer system with wireless audio signal transmitter module |
| 07/29/2004 | US20040146175 Resonance frequency correction method and vibration speaker |
| 07/29/2004 | US20040146172 Wearable personal audio system |
| 07/29/2004 | US20040146171 Microphone unit and holder used in the microphone unit |
| 07/29/2004 | DE20302820U1 Loudspeaker system for two-seater vehicle is designed for installation near dividing wall bounding on trunk at position provided for emergency seats or stowage boxes, has frontal sound outlet opening |
| 07/29/2004 | DE10304550A1 Loudspeaker cover for loudspeaker in enclosure, has metal plate with perforations of size, number and/or distribution to give observer impression of closed plate |
| 07/29/2004 | DE10301115A1 Housing used as a loudspeaker box, comprises a wall equipped with an acoustic damping fiber composite material having a matrix made from a resin and reinforcing fibers |
| 07/29/2004 | CA2512880A1 Audio speaker crossover having two or more filter housings |
| 07/29/2004 | CA2512733A1 Two-way voice communication device having external acoustic noise reduction |
| 07/29/2004 | CA2512576A1 Ported loudspeaker system and method with reduced air turbulence, bipolar radiation pattern and novel appearance |
| 07/28/2004 | EP1441456A2 Electronic apparatus for wirelessly transmitting content data, and method of reproducing this content data using an external device |
| 07/28/2004 | EP1440603A2 Bass frequency amplifying apparatus |
| 07/28/2004 | EP1285554B1 Directional microphone arrangement and method for signal processing in a directional microphone arrangement |
| 07/28/2004 | EP0772372B1 Loudspeaker device for video monitor and video monitor with loudspeaker device |
| 07/28/2004 | CN2629378Y Illuminating computer soundbox |
| 07/28/2004 | CN2629377Y Horn module |
| 07/28/2004 | CN2629361Y Ear cavity resonating earphone structure |
| 07/28/2004 | CN1516519A Voice box |
| 07/28/2004 | CN1516518A Wireless make device having no need of using battery and its transmission method |
| 07/27/2004 | US6768805 Method and article of manufacture to align and reinforce a driver's installation irrespective of driver diameter |
| 07/27/2004 | US6768804 Adjustable microphone boom with acoustic valve |
| 07/27/2004 | US6768702 Baffled ring directional transducers and arrays |
| 07/24/2004 | CA2417187A1 Full-range line-source audio transducer |
| 07/22/2004 | WO2004062277A1 Air conditioning system for automobiles |
| 07/22/2004 | WO2004061547A2 Automatic digital music library builder |
| 07/22/2004 | US20040141628 Earpiece with interchangeable end portion |
| 07/22/2004 | US20040141418 Speaker distance detection apparatus using microphone array and speech input/output apparatus |
| 07/22/2004 | DE202004005524U1 Wireless headphones with extension option for varying the distance between the loud speaker and the microphone by means of an extendible rolled up connector cable |
| 07/22/2004 | DE10293963T5 Lautsprecherbaugruppe für Fahrzeugtür und Verfahren zum Befestigen eines Lautsprechers für eine Fahrzeugtür A loudspeaker assembly for vehicle door and method for attaching a speaker for a vehicle door |
| 07/22/2004 | CA2749116A1 Automatic digital music library builder |
| 07/21/2004 | EP1439733A1 Microphone protection for hearing aids |
| 07/21/2004 | EP1438872A2 Electroacoustic transducer having a moving coil and having movable holding elements for the connecting leads of the moving coil |
| 07/21/2004 | EP1438871A1 Device for capturing and restoring sound using several sensors |
| 07/21/2004 | EP1438709A1 Method for reproducing sound signals and sound reproducing system |
| 07/21/2004 | EP1438708A1 Method for canceling unwanted loudspeaker signals |
| 07/21/2004 | EP1234477B1 Speaker and motor vehicle assembly |
| 07/21/2004 | CN2627773Y Rotary folding and unfolding type earplug |
| 07/21/2004 | CN2627772Y Ear-hook structure of hand-free telephone receiver |
| 07/21/2004 | CN2627741Y Regulation and control device of wireless microphone receiver |
| 07/21/2004 | CN1515129A Solid angle corss-talk cancellation for beam forming arrays |
| 07/21/2004 | CN1515128A Speaker for vehicle and installation structure therefor |
| 07/21/2004 | CN1158900C Integral holder-connector for capacitor microphone, its preparing method and mounting method |
| 07/21/2004 | CN1158897C Method of producing color pattern on sound box cloth |
| 07/21/2004 | CN1158896C Apparatus including electroacoustic transducer having terminal contacts which extend in the direction of the transducer axis and including printed circuit board having mating contacts |
| 07/21/2004 | CN1158835C Hing unit for earphone with current transport unit |
| 07/21/2004 | CN1158643C Pressure gradient microphone |
| 07/20/2004 | US6766034 Multifunction acoustic device |
| 07/20/2004 | US6766033 Modular bass arraying |
| 07/20/2004 | US6766032 Voice tube assembly |
| 07/20/2004 | US6766027 Elliptical flushmount speaker |
| 07/20/2004 | US6764046 Ceiling speaker system of aircraft |
| 07/15/2004 | WO2004059510A1 United microphone with camera and videoke system comprising the same |
| 07/15/2004 | WO2004058054A2 Transducer for sensing body sounds |
| 07/15/2004 | WO2003015464A8 Directional audio signal processing using an oversampled filterbank |
| 07/15/2004 | US20040137968 Wireless headphones with connector socket |
| 07/15/2004 | US20040136559 Voice coil and a speaker that uses the voice coil |
| 07/15/2004 | US20040136558 Electroacoustic transducer and electronic apparatus |
| 07/15/2004 | US20040136553 Speaker system having a front speaker integrated with a reflection-type surround speaker |
| 07/15/2004 | US20040136552 Information handling system earphone storage method and system |
| 07/15/2004 | US20040136543 Audio headset |
| 07/15/2004 | US20040136272 Electroacoustic transducer being acoustical tight in the area of its air gap for its moving coil |
| 07/15/2004 | US20040136271 Sonar transducer |
| 07/15/2004 | US20040135043 Off-axis reducible support structure |
| 07/15/2004 | US20040134711 Vibration propagation suppressing structure |
| 07/15/2004 | US20040134710 Clip-on earphone device |
| 07/15/2004 | DE20318214U1 Slotted tunnel housing for automobile sound reproduction, has slotted tunnel whose shape can approximate to exponential horn for open trunk; can give greatly increased bass gain in range up to 40 Hz |
| 07/15/2004 | DE202004004719U1 Headphones with openable holes in headphone capsules, has housing part with holes which is rotatable to align with holes of second part so that ambient sound is audible |
| 07/15/2004 | DE10323493B3 Underwater antenna for acoustic monitoring of sea region e.g. for ship, using electroacoustic transducers embedded in acoustically transparent material |
| 07/15/2004 | DE10316287B3 Directional microphone for hearing aid having 2 acoustically coupled membranes each coupled to respective sound entry opening |
| 07/15/2004 | DE10259543A1 Sound Projektor Sound Projector |
| 07/14/2004 | EP1437914A2 A voice coil and a speaker that uses the voice coil |
| 07/14/2004 | EP1437644A2 Sound apparatus, and audio information acquisiton method in sound apparatus |
| 07/14/2004 | EP1437587A1 Sound simulator and sound simulating method |
| 07/14/2004 | EP1437030A1 An electro-acoustic transducer with two diaphragms |
| 07/14/2004 | EP1437029A1 Passive and active escapement for sound resonance |
| 07/14/2004 | EP1437028A2 Signal processing device for acoustic transducer array |
| 07/14/2004 | EP1344198B1 Method and arrangement for processing noise signals from a noise source |
| 07/14/2004 | EP1135063B1 Sound pickup sensor |
| 07/14/2004 | CN2626165Y Air coupling audio revert loudspeaker box |
| 07/14/2004 | CN2626164Y One-off microphone shield |
| 07/14/2004 | CN2626163Y An earphone earplug |
| 07/14/2004 | CN2626162Y Line concentrator for wire |
| 07/14/2004 | CN1512820A Speaker system of front speaker combined with reflective circulating speaker |
| 07/14/2004 | CN1512819A Underground sound sensitive sensor |
| 07/14/2004 | CN1512818A Electroacoustic converter and electronic device |
| 07/14/2004 | CN1512817A Vibration transmission inhibiting structure |
| 07/14/2004 | CN1512362A Sound device and method for gaining audio frequency information from sound device |
| 07/14/2004 | CN1157997C Method for producing acoustic device, speaker drive unit and speaker |
| 07/14/2004 | CN1157996C Method for producing acoustic device and acoustic device comprising a panel member |
| 07/14/2004 | CN1157994C Water-proof device with sound energy convertor capable of immersing |
| 07/14/2004 | CN1157993C Apparatus having electroacoustic transducer mounted on PC board with aid of holding means |
| 07/14/2004 | CN1157992C Loudspeaker fixture |
| 07/14/2004 | CN1157991C Speaker device |
| 07/14/2004 | CN1157915C Ear microphone with enhanced sensitivity |
| 07/13/2004 | US6763120 Speaker |
| 07/13/2004 | US6763119 Neckphone |
| 07/13/2004 | US6763118 High directivity microphone array |
| 07/13/2004 | US6763117 Speaker enclosure |
| 07/13/2004 | US6763110 Sound guide for speaker and handset for mobile communication using the same |