| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 01/11/2012 | CN101316452B Ear-hanging earphone |
| 01/11/2012 | CN101227762B Sound outputting apparatus, sound outputting method, sound outputting system |
| 01/10/2012 | US8094868 Non-directional transducer |
| 01/10/2012 | US8094867 Speaker, yoke thereof and method for manufacturing yoke |
| 01/10/2012 | US8094866 Loudspeaker without extraneous cone forces due to air trapped behind the dust cover |
| 01/10/2012 | US8094864 Diaphragm unit and speaker using the same |
| 01/10/2012 | US8094860 Portable sound box assembly |
| 01/10/2012 | US8094859 Dipole antenna device, earphone antenna device, and wireless communication terminal device connected to the device |
| 01/10/2012 | US8094855 Inverse horn loudspeakers |
| 01/10/2012 | US8094854 Loudspeaker |
| 01/10/2012 | US8094853 Speaker system and fitting device |
| 01/10/2012 | US8094840 Thermal sound generating device |
| 01/10/2012 | US8094839 Microelectromechanical system (MEMS) device with senstivity trimming circuit and trimming process |
| 01/10/2012 | US8094831 Supplemental audio output box |
| 01/10/2012 | CA2579902C Method for equalizing a sound system |
| 01/05/2012 | WO2012002605A1 Earring-type wireless speaker device and bone conduction speaker |
| 01/05/2012 | WO2012001928A1 Conversation detection device, hearing aid and conversation detection method |
| 01/05/2012 | WO2012001898A1 Directional microphone device and directivity control method |
| 01/05/2012 | WO2012001235A1 Loudspeaker enclosure consisting of stone and method for manufacturing same |
| 01/05/2012 | US20120002975 Wireless microphone |
| 01/05/2012 | US20120002838 Flat subwoofer |
| 01/05/2012 | US20120002837 Speaker and method of assembling same |
| 01/05/2012 | US20120002836 Loudspeaker |
| 01/05/2012 | US20120002835 Ceiling loudspeaker system |
| 01/05/2012 | US20120002834 Earbud Headset Positioning Device |
| 01/05/2012 | US20120002832 Dynamic microphone |
| 01/05/2012 | US20120000293 Nanofiber Actuators and Strain Amplifiers |
| 01/05/2012 | DE102010026112A1 Plasma tweeter e.g. teslums tweeter, for e.g. acoustic lab tests, has high voltage transformer arranged in electrical conductive pipe, where secondary coil of high voltage transformer coaxially extends to pipe |
| 01/04/2012 | EP2403270A1 Control cord for headsets and auxiliary devices |
| 01/04/2012 | EP1551242B1 Communication apparatus and helmet |
| 01/04/2012 | EP1438871B1 Device for capturing and restoring sound using several sensors |
| 01/04/2012 | CN202103837U Enhanced passive radiator |
| 01/04/2012 | CN202103827U Treble and bass combined sound box |
| 01/04/2012 | CN202103826U Sound box |
| 01/04/2012 | CN202103825U Alto and bass combined sound box |
| 01/04/2012 | CN202103824U Dividable earphone |
| 01/04/2012 | CN202103823U Portable earphone |
| 01/04/2012 | CN202103822U Trepanning earphone for increasing medium high frequency sharpness |
| 01/04/2012 | CN202103821U Device effectively controlling damping effect produced by rotation of earphone microphone rod |
| 01/04/2012 | CN202103820U Earphone with internal dustproof screen |
| 01/04/2012 | CN202103819U Earphone with double-structure for improving using effect |
| 01/04/2012 | CN202103818U Novel earphone socket |
| 01/04/2012 | CN202103817U Earphone with replaceable earplugs |
| 01/04/2012 | CN202103816U Vehicle-mounted wireless infrared earphone |
| 01/04/2012 | CN202103815U Novel headphone clamping cover |
| 01/04/2012 | CN202103814U Earphone sensing wearing state of users |
| 01/04/2012 | CN202103813U Computer speaker with drawer |
| 01/04/2012 | CN202103812U Portable sound box having up-down rotating cavity |
| 01/04/2012 | CN202103811U Portable sound box |
| 01/04/2012 | CN202103810U MP3 player with novel structure |
| 01/04/2012 | CN202103809U Multipurpose expansion function connecting device of car-audio |
| 01/04/2012 | CN202103808U Solar energy sound box |
| 01/04/2012 | CN202103749U Camera with microphone |
| 01/04/2012 | CN202103729U Mobile terminal having dual-front sound cavity |
| 01/04/2012 | CN202095837U Combination of television set and sound post and television cabinet |
| 01/04/2012 | CN1753572B Circuit-unit-combined speaker apparatus |
| 01/04/2012 | CN102308593A Microphone unit |
| 01/04/2012 | CN102308592A Sound pickup apparatus |
| 01/04/2012 | CN102308277A Control device, method and program |
| 01/04/2012 | CN102307324A Insert molded surround with mechanical support |
| 01/04/2012 | CN101351058B Microphone array and method for implementing voice signal enhancement |
| 01/04/2012 | CN101310557B Electro-acoustic converter and ear speaker device |
| 01/04/2012 | CN101304621B Noise reducing apparatus and audio regeneration apparatus |
| 01/04/2012 | CN101137249B Earphone |
| 01/04/2012 | CN101111091B Electric sounding device with suppressible earphone |
| 01/03/2012 | US8090140 Speaker and method of outputting acoustic sound |
| 01/03/2012 | US8090138 Audio devices for vehicles |
| 01/03/2012 | US8090137 Wall mountable object with differently shaped finish options |
| 01/03/2012 | US8090136 Handheld electronic device having offset sound openings |
| 01/03/2012 | US8090131 Steerable acoustic waveguide |
| 01/03/2012 | US8090130 Highly portable media devices |
| 01/03/2012 | US8090129 Audio player plush |
| 01/03/2012 | US8090116 Vehicle directional electroacoustical transducing |
| 01/03/2012 | CA2614549C Audio apparatus |
| 01/03/2012 | CA2406609C Communication unit |
| 01/03/2012 | CA2364120C Directional microphone assembly |
| 12/29/2011 | WO2011163642A2 Method and device for optimizing audio quality |
| 12/29/2011 | WO2011163565A1 Method and devices for occluding an ear canal having a predetermined filter characteristic |
| 12/29/2011 | WO2011162898A1 Electronic apparatus having microphones with controllable front-side gain and rear-side gain |
| 12/29/2011 | WO2011162611A1 Small stereo headset |
| 12/29/2011 | WO2011162002A1 Acoustic generator |
| 12/29/2011 | WO2011161487A1 Apparatus, method and computer program for adjustable noise cancellation |
| 12/29/2011 | WO2011160651A1 Acoustic sensor unit comprising a paraboloidal collector, and a machine condition monitoring unit adapted to be coupled to such acoustic sensor unit |
| 12/29/2011 | WO2011160327A1 Interior rearview mirror of vehicle |
| 12/29/2011 | WO2011115390A3 Coaxial sound generating unit cartridge and a two-way earphone using the same |
| 12/29/2011 | WO2011077325A3 An adjustable stand suitable for supporting an audio speaker |
| 12/29/2011 | US20110319024 Bracelet for communicating with a mobile device |
| 12/29/2011 | US20110319021 Intra-oral tissue conduction microphone |
| 12/29/2011 | US20110317869 Loudspeaker diaphragm and loudspeaker including the loudspeaker diaphragm |
| 12/29/2011 | US20110317868 Electroacoustic transducer |
| 12/29/2011 | US20110317866 Loudspeaker incorporating carbon nanotubes |
| 12/29/2011 | US20110317865 Ergonomic System For Compact Winding And Storage Of Earphone Set/Headphones Used With Digital Media Devices |
| 12/29/2011 | US20110317863 Microphone unit |
| 12/29/2011 | US20110317861 Combination low voltage light / speaker fixture |
| 12/29/2011 | US20110317860 Assembly Structure for Speaker System |
| 12/29/2011 | US20110317856 Headphone |
| 12/29/2011 | US20110317844 Small Stereo Headset |
| 12/29/2011 | US20110317841 Method and device for optimizing audio quality |
| 12/29/2011 | US20110316779 Mouse device with microphone |
| 12/29/2011 | DE102011102640A1 Holder assembly of speaker used in motor vehicle e.g. passenger car, has holding portion with locking collar that is adjusted between instep position and lot position by using connecting flanges |