| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 12/16/2004 | US20040251078 Embedded multimedia speaker structure |
| 12/16/2004 | US20040251077 Acoustic enclosures |
| 12/16/2004 | DE10346637A1 Wide-radiating multi-path loudspeaker chassis e.g. for ceiling-installed loudspeaker, uses at least one chassis noise baffle with aperture and front-radiating tweeter installed on baffle |
| 12/16/2004 | DE10314506B3 Integriertes Lautsprechersystem Built-in speaker system |
| 12/15/2004 | EP1487235A2 Loudspeaker device |
| 12/15/2004 | EP1487234A1 Bass reflex type speaker device, mounting structure and mounting method for speaker device |
| 12/15/2004 | EP1487233A1 Image display device |
| 12/15/2004 | EP1486094A2 Resonator device and associated circuits |
| 12/15/2004 | EP1486093A1 Speaker mounting system |
| 12/15/2004 | EP1485968A1 Beam forming array of transducers |
| 12/15/2004 | CN2664332Y Long-distance high-voltage sound-signal driving type flat sound box |
| 12/15/2004 | CN2664331Y Movable concealed television sound box |
| 12/15/2004 | CN2664330Y 音箱 Speaker |
| 12/15/2004 | CN2664329Y Bone conduction microphone, receiver |
| 12/15/2004 | CN2664328Y Clip type sports earphone |
| 12/15/2004 | CN2664327Y Movable hidden remote-controlled microphone |
| 12/15/2004 | CN2664326Y Microphone structure |
| 12/15/2004 | CN2664325Y Conveniently placing sound box |
| 12/15/2004 | CN1180656C Passive radiator having mass elements |
| 12/14/2004 | US6831989 Electroacoustic transducer having a moving coil and having movable holding elements for the connecting leads of the moving coil |
| 12/14/2004 | US6831987 Directional microphone assembly |
| 12/14/2004 | US6831984 Noise reducing |
| 12/14/2004 | US6831843 Earphone jack holding device |
| 12/14/2004 | US6831657 Display control apparatus for displaying gain setting value in predetermined color hue |
| 12/14/2004 | US6831394 Backing material for micromachined ultrasonic transducer devices |
| 12/09/2004 | WO2004107812A1 Array speaker system |
| 12/09/2004 | WO2004107811A1 Array speaker system |
| 12/09/2004 | WO2004107808A2 Display screen loudspeaker |
| 12/09/2004 | WO2004107807A1 Array speaker system |
| 12/09/2004 | WO2004107805A1 Sound capture apparatus |
| 12/09/2004 | WO2004107804A1 Reverse mounted micro-speaker assembly and mobile terminals including the same |
| 12/09/2004 | WO2004107803A1 Virtual multi-channel speaker unit |
| 12/09/2004 | WO2004107802A1 Method for reproducing audio sound in a motor vehicle, and loudspeaker housing therefor |
| 12/09/2004 | WO2004036951A3 Microphone for simultaneous noise sensing and speech pickup |
| 12/09/2004 | US20040249633 Acoustic vibration sensor |
| 12/09/2004 | US20040247151 Automobile sound system |
| 12/09/2004 | US20040247150 Speaker for vehicle and mounting structure of the speaker |
| 12/09/2004 | US20040247146 Directional microphone assembly |
| 12/09/2004 | US20040247143 Device for listening to voice and/or musical signals by means of cranial bone transmission |
| 12/09/2004 | US20040247140 Parametric virtual speaker and surround-sound system |
| 12/09/2004 | US20040246110 Electropneumatic horn |
| 12/09/2004 | US20040245043 Waveguide louspeaker with adjustable controlled dispersion |
| 12/09/2004 | US20040245042 Loudspeaker systems |
| 12/09/2004 | DE202004015225U1 Car holder for Bluetooth (RTM) headphone, has loudspeaker and microphone built into main body which plugs into cigarette lighter and receives headphone |
| 12/09/2004 | DE10349800A1 Bluetooth headset for e.g. cellular phone, has controller setting vibration mode to headset if boom is closed to main body, and performing incoming call indication operation at predetermined incoming call indication mode |
| 12/08/2004 | EP1484940A2 Wind noise reduction for microphone |
| 12/08/2004 | EP1483936A2 Headphone |
| 12/08/2004 | EP1261962B1 A method of improving the audibility of sound from a loudspeaker located close to an ear |
| 12/08/2004 | CN2662579Y Sound box and stacked composite structure thereof |
| 12/08/2004 | CN2662578Y A rotary sound box with adjustable rack |
| 12/08/2004 | CN2662577Y Bulgy nodule shaped acoustic conduction tube |
| 12/08/2004 | CN2662576Y Improvement of ear enclosure with perforate open and close |
| 12/08/2004 | CN2662575Y 麦克风 Microphone |
| 12/08/2004 | CN2662574Y 一种号角 One kind of horn |
| 12/08/2004 | CN2662573Y Minitype loud-speaker pedestal |
| 12/08/2004 | CN1554210A An electro-acoustic transducer with two diaphragms |
| 12/08/2004 | CN1179602C Speaker system |
| 12/08/2004 | CN1179601C Earphone |
| 12/08/2004 | CN1179557C Housing having loudspeaker system |
| 12/08/2004 | CN1179531C Microphone in speech communicator |
| 12/08/2004 | CN1179491C Casing of audio device |
| 12/07/2004 | US6829362 Curable urethane acrylate oligomer, reactive plasticizer or diluent, and curing agent; hardness; ear plugs, phones, and connectors; hearing aids |
| 12/07/2004 | US6829361 Headphones with integrated microphones |
| 12/07/2004 | US6829359 Multispeaker sound imaging system |
| 12/07/2004 | US6829198 Electroacoustic transducer having compression screw mechanical bias |
| 12/07/2004 | US6829131 MEMS digital-to-acoustic transducer with error cancellation |
| 12/07/2004 | US6828497 Electronic keyboard instrument and tone reproduction method therefor |
| 12/07/2004 | CA2266465C Noise control device |
| 12/02/2004 | WO2004105433A1 Clear sound side fill center fill |
| 12/02/2004 | WO2004105427A1 Piezoelectric microphone |
| 12/02/2004 | WO2004105176A2 Underwater antenna with electroacoustic transducers embedded in a casting compound |
| 12/02/2004 | WO2004105037A1 Portable karaoke system |
| 12/02/2004 | WO2004104993A2 Method and system for adjustment of components in a head stack assembly |
| 12/02/2004 | WO2004080112A3 Earphone antenna and radio device with same |
| 12/02/2004 | US20040242278 Electronic apparatus and remote control method used in the apparatus |
| 12/02/2004 | US20040240702 Speaker and manufacturing method for the same |
| 12/02/2004 | US20040240701 Method and audio speaker with minimization of wobble of the voice coil |
| 12/02/2004 | US20040240698 Reverse mounted micro-speaker assemblies and mobile terminals including the same |
| 12/02/2004 | US20040240697 Constant-beamwidth loudspeaker array |
| 12/02/2004 | US20040240689 Electronic apparatus |
| 12/02/2004 | US20040238268 Sound reproducing apparatus and method for optimizing same |
| 12/02/2004 | US20040237286 Two-stage phasing plug system in a compression driver |
| 12/02/2004 | DE202004015635U1 Koaxiallautsprecher mit wellenförmiger Membran Coaxial speaker with wavy membrane |
| 12/02/2004 | DE10322264A1 Headset mit einem Kopfbügel und einem bewegbar angeordneten Mikrofonbügel Headset with a headband and a movably mounted microphone boom |
| 12/02/2004 | DE102004016711A1 Speaker cabinet for use in audio system, has support rod inserted into cylindrical tube through hole formed in base board to support top board such that cabinet is moved freely at center of its top board |
| 12/01/2004 | EP1482762A2 Speaker and method of manufacturing the same |
| 12/01/2004 | EP1482761A2 Speaker and manufacturing method for the same |
| 12/01/2004 | EP1481570A1 Loudspeaker with shaped sound field |
| 12/01/2004 | EP1481568A2 Digital microphone |
| 12/01/2004 | EP1397936B1 A method of providing a hydrophobic layer and a condenser microphone having such a layer |
| 12/01/2004 | CN2660845Y Folding acoustic equipment |
| 12/01/2004 | CN2660832Y Portable underwater playback appliances |
| 12/01/2004 | CN2660830Y Underwater speaker |
| 12/01/2004 | CN2660829Y Bridge type speaker |
| 12/01/2004 | CN2660828Y External speaker of plasma television |
| 12/01/2004 | CN1552169A Passive and active escapement for sound resonance |
| 12/01/2004 | CN1551682A Magnesium diaphragm, method for manufacturing the same, and speaker using the diaphragm |
| 12/01/2004 | CN1551679A 扬声器装置 The speaker device |
| 12/01/2004 | CN1551678A Narrow opening electroacoustical transducing |
| 12/01/2004 | CN1551657A Bluetooth headset and method for informing user of incoming call signal using the same |