| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 09/29/2004 | CN2645384Y Hand-held wireless microphone |
| 09/29/2004 | CN2645383Y Loudspeaker with colorful light |
| 09/29/2004 | CN1533680A Loudspeaker with direct mission and optimised radiation |
| 09/29/2004 | CN1533216A Earphone with reinforced structure |
| 09/29/2004 | CN1533214A Array speaker detector, array speaker device and its distributing line judging method |
| 09/29/2004 | CN1169403C Voice conversion unit |
| 09/28/2004 | US6798892 Rotatable removeable speaker assembly |
| 09/28/2004 | US6798891 Speaker system |
| 09/28/2004 | US6798890 Directional microphone assembly |
| 09/28/2004 | US6798888 Mount for underwater acoustic projector |
| 09/28/2004 | US6798122 Lightweight underwater acoustic projector |
| 09/28/2004 | US6796401 Speaker apparatus equipped with means for producing complicated waveform of low frequency with higher improved fidelity |
| 09/23/2004 | WO2004082331A1 Built-in device for a mobile terminal |
| 09/23/2004 | WO2004082329A1 Sound wave guide for headphone and headphone case using of it |
| 09/23/2004 | WO2004082328A1 Mini microphone |
| 09/23/2004 | WO2004082327A1 Bone conduction device |
| 09/23/2004 | WO2004082326A2 Sound reproducing apparatus and method for optimizing same |
| 09/23/2004 | WO2004082324A2 Transducer asembly with modifiable buffer circuit and method for adjusting thereof |
| 09/23/2004 | WO2004082323A2 Loudspeaker horn and method for controlling grating lobes in a line array of acoustic sources |
| 09/23/2004 | WO2004082320A2 Integrated loudspeaker system |
| 09/23/2004 | US20040186727 Headset for playing pre-recorded information in response to a verbal command |
| 09/23/2004 | US20040185821 Electronic apparatus and system control method for the electronic apparatus |
| 09/23/2004 | US20040184635 Earmuff with earphone |
| 09/23/2004 | US20040184634 Stomp Stage |
| 09/23/2004 | US20040184633 Condenser microphone assembly |
| 09/23/2004 | US20040184632 Acoustic transducer module |
| 09/23/2004 | US20040184629 Speaker |
| 09/23/2004 | US20040184352 Pressure compensated hydrophone |
| 09/23/2004 | US20040184201 Removable storage of speakers within cavities of electronic device housing |
| 09/23/2004 | US20040182642 Acoustic lens system |
| 09/22/2004 | EP1460881A2 Magnetic system of an acoustic transducer |
| 09/22/2004 | EP1460880A2 Loudspeaker array |
| 09/22/2004 | EP1460878A2 Multi-way acoustic drive arrays and loudspeakers incorporating same |
| 09/22/2004 | EP1460877A1 Speaker for vehicle and mounting structure of the speaker |
| 09/22/2004 | EP1459593A1 Compact and space-saving audio device |
| 09/22/2004 | EP1459293A1 Electropneumatic horn |
| 09/22/2004 | EP1458498A1 Micromachined ultrasound transducer and method for fabricating same |
| 09/22/2004 | EP1064052B1 Apparatus and method for mounting an ultrasound transducer |
| 09/22/2004 | CN2643588Y Charging gas film sound box |
| 09/22/2004 | CN2643587Y A loudspeaker structure for portable computer |
| 09/22/2004 | CN2643586Y Energy distributing and converting apparatus for energy wave |
| 09/22/2004 | CN2643585Y Background noise canceller |
| 09/22/2004 | CN2643584Y Small sized outdoor metal-shell intelligent column |
| 09/22/2004 | CN1531835A Sound transmitter and speaker |
| 09/22/2004 | CN1531370A Magnetic system of electro-acoustical converter |
| 09/22/2004 | CN1168350C Digital electroacoustic transducer |
| 09/22/2004 | CN1168342C Complex sound exciter drive circuit and portable information terminal |
| 09/21/2004 | US6795558 Microphone array apparatus |
| 09/16/2004 | WO2004080120A1 Loudspeaker |
| 09/16/2004 | WO2004080119A1 Loudspeaker |
| 09/16/2004 | WO2004080115A1 Loudspeaker box |
| 09/16/2004 | WO2004080114A1 Device for manipulating several microphones |
| 09/16/2004 | WO2004080113A2 Device having matched accoustical impedance and method |
| 09/16/2004 | WO2004080112A2 Earphone antenna and radio device with same |
| 09/16/2004 | WO2004077924A2 Communications headset with isolating in-ear driver |
| 09/16/2004 | WO2004064444A3 Audio speaker crossover having two or more filter housings |
| 09/16/2004 | US20040181117 Piezoelectric film transducer |
| 09/16/2004 | US20040179711 Speaker having a weight ring |
| 09/16/2004 | US20040179710 Audio speaker system |
| 09/16/2004 | US20040179703 Modifiable buffer circuit for miniature microphone applications and method of adjusting thereof |
| 09/16/2004 | US20040179702 Transducer assembly with modifiable buffer circuit and method for adjusting thereof |
| 09/16/2004 | DE202004010417U1 Loudspeaker box with rectangular housing, containing front and rear plate, two side walls, bottom plate, and top plate, with at least one loudspeaker in housing secured at front plate |
| 09/16/2004 | DE202004005438U1 Audiovorrichtung mit einziehbaren Ohrstücken Audio device with retractable ear pieces |
| 09/16/2004 | DE10310033A1 Linear loudspeaker array producing pulsed cylindrical waves, comprises row of high frequency speakers in front of row of bass- and mid-range loudspeakers |
| 09/16/2004 | DE10309568A1 Mikrofonstativ Microphone Stand |
| 09/16/2004 | DE10309028A1 Compound material, for the acoustic structure and housing of loudspeakers, is a cold setting or foam cast resin with embedded foam spheres |
| 09/16/2004 | CA2517902A1 Communications headset with isolating in-ear driver |
| 09/15/2004 | EP1458217A2 Hearing instrument with flexible frequency response shaping |
| 09/15/2004 | EP1457039A2 Equipment for shooting of film |
| 09/15/2004 | CN2641965Y Vehicle acaustics with USB interface |
| 09/15/2004 | CN2641963Y Loudspeakers |
| 09/15/2004 | CN2641962Y Special loudspeaker positioning clamp for display |
| 09/15/2004 | CN2641961Y Low frequency deadening body |
| 09/15/2004 | CN2641960Y Improved earphone socket structure |
| 09/15/2004 | CN1529840A Electronic article comprising loudspeaker & touch pad |
| 09/15/2004 | CN1167170C Communication device |
| 09/14/2004 | US6792126 Information processing device and speaker unit applicable thereto |
| 09/14/2004 | US6792125 Pivotable speaker mounting apparatus |
| 09/14/2004 | US6792124 Garment with removable electronic devices |
| 09/14/2004 | US6792122 Acoustic device |
| 09/14/2004 | US6792117 Orientation adjusting apparatus for speakers |
| 09/14/2004 | US6792116 Earphone with control device of timing call setting |
| 09/14/2004 | US6791519 Sound and vision system |
| 09/14/2004 | US6791242 Uniform acoustic energy cleaning of rotating objects |
| 09/14/2004 | US6789772 Off-axis reducible support structure |
| 09/14/2004 | US6789642 Display enclosure having thin speaker |
| 09/10/2004 | WO2004077879A1 Multifunctional actuator and mobile terminal |
| 09/10/2004 | WO2004077877A1 Mobile device with improved acoustic porting |
| 09/10/2004 | WO2004077876A1 Headphone |
| 09/10/2004 | WO2004077875A1 Holding device for holding at least two separate electroacoustic transducers |
| 09/10/2004 | WO2004077823A1 Sound level adjusting apparatus |
| 09/09/2004 | US20040175016 Compound loudspeaker having a magnet system |
| 09/09/2004 | US20040175014 Light-emitting speaker |
| 09/09/2004 | US20040175013 Microphone stand |
| 09/09/2004 | US20040175006 Microphone array, method and apparatus for forming constant directivity beams using the same, and method and apparatus for estimating acoustic source direction using the same |
| 09/09/2004 | US20040174772 Acoustical source and transducer having, and method for, optimally matched acoustical impedance |
| 09/09/2004 | US20040174249 Electronic apparatus having a communication device |
| 09/09/2004 | US20040173402 Sound transmitter and speaker |
| 09/09/2004 | DE202004003418U1 Head set has built in loudspeakers and within plastic housing and has cable connection to external music source |
| 09/09/2004 | DE10033985B4 Freisprechmikrofonhalterung Free microphone holder |