| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 01/26/2011 | CN101959095A Combined coaxial loudspeaker |
| 01/26/2011 | CN101959094A Electret speaker impedance converter |
| 01/25/2011 | US7876916 Card-type sound apparatus and electronic appliance provided therewith |
| 01/25/2011 | US7876912 Dual mode headset device |
| 01/25/2011 | US7876911 Headphone driver and methods for use therewith |
| 01/20/2011 | WO2011009066A2 Speaker system and amplifier |
| 01/20/2011 | WO2011007619A1 Waterproof microphone |
| 01/20/2011 | WO2011007448A1 Earphone, and electronic device |
| 01/20/2011 | WO2011007441A1 Vibration-applying sound source, and speaker device using same |
| 01/20/2011 | WO2011007436A1 Acoustic reproduction device |
| 01/20/2011 | WO2011007000A1 Headset and headphone |
| 01/20/2011 | WO2010113038A3 Improved inertial type acoustic transducer and subsystems |
| 01/20/2011 | US20110015471 Prenatal audio apparatus for the acoustic stimulation of an unborn child |
| 01/20/2011 | US20110013798 Speaker frame and speaker having the same |
| 01/20/2011 | US20110013782 Speaker system and amplifier |
| 01/20/2011 | US20110013778 Speaker array apparatus and method for setting audio beams of speaker array appratus |
| 01/20/2011 | DE202010014564U1 Bildlautsprecher mit schallabsorbierender Wirkung Picture loudspeaker with sound effect |
| 01/20/2011 | DE102009033726A1 Hörer und Headset Handset and headset |
| 01/20/2011 | DE102009032057A1 Druckwellen-Aufnahme und Wiedergabe Pressure wave recording and playback |
| 01/19/2011 | EP2276269A2 Headset with pivotal parts |
| 01/19/2011 | EP2276115A1 Earphone antenna and portable radio equipment provided with earphone antenna |
| 01/19/2011 | EP1806026B1 Dual-diaphragm speaker assemblies with acoustic passageways and mobile terminals including the same |
| 01/19/2011 | EP1438872B1 Electroacoustic transducer having a moving coil and having movable holding elements for the connecting leads of the moving coil |
| 01/19/2011 | EP1423988B1 Directional audio signal processing using an oversampled filterbank |
| 01/19/2011 | EP1161118B1 Speaker system |
| 01/19/2011 | CN201718032U Stereo headphones |
| 01/19/2011 | CN201718028U Washable waterproof speaker |
| 01/19/2011 | CN201718027U Flexible counterweight structure for piezoelectric flat-panel speaker |
| 01/19/2011 | CN201718026U Sound generating device |
| 01/19/2011 | CN201718025U Micro speaker array module |
| 01/19/2011 | CN201718024U Plane spiral microphone array |
| 01/19/2011 | CN201718023U Novel earphone |
| 01/19/2011 | CN201718022U Headset capable of switching left and right sound channels |
| 01/19/2011 | CN201718021U Wound wireless earphone device |
| 01/19/2011 | CN201718020U Improved structure of earphone |
| 01/19/2011 | CN201718019U Earphone |
| 01/19/2011 | CN201718018U Earphones |
| 01/19/2011 | CN201718017U Microphone |
| 01/19/2011 | CN201718016U Microphone cap tube |
| 01/19/2011 | CN201718015U Time-based competition recorder |
| 01/19/2011 | CN201718014U Multi-head microphone |
| 01/19/2011 | CN201718013U Microphone support |
| 01/19/2011 | CN201718012U Retractable portable multimedia audio system |
| 01/19/2011 | CN201718011U Sound box |
| 01/19/2011 | CN201718010U Sound gathering tube |
| 01/19/2011 | CN201716983U Horn |
| 01/19/2011 | CN1914948B Speaker device |
| 01/19/2011 | CN1852618B Microphone |
| 01/19/2011 | CN101953174A Digital speaker apparatus |
| 01/19/2011 | CN101953173A Transducer assembly |
| 01/19/2011 | CN101951534A Method for additionally arranging sensor on earphone to adjust state of mobile terminal |
| 01/19/2011 | CN101951533A Headphone device |
| 01/19/2011 | CN101562766B Acoustic generator |
| 01/13/2011 | WO2011006063A1 Bone conduction communications headset with hearing protection |
| 01/13/2011 | WO2011005372A2 Pressure activated remote microphone |
| 01/13/2011 | WO2011005093A1 Coupling system for coupling loudspeaker housings, loudspeaker housing and method for hoisting loudspeaker housings |
| 01/13/2011 | WO2011004503A1 Noise removal device and noise removal method |
| 01/13/2011 | WO2011003651A1 Method for recording and reproducing pressure waves comprising direct quantification |
| 01/13/2011 | WO2010137997A3 Flat panel acoustic module |
| 01/13/2011 | US20110007931 Speaker diaphragm, speaker, and method for manufacturing speaker diaphragm |
| 01/13/2011 | US20110007930 Receiver |
| 01/13/2011 | US20110007926 Headphone device |
| 01/13/2011 | US20110007923 Loudspeaker cabinet and reproduction system |
| 01/13/2011 | US20110007922 Speaker diaphragm, speaker, and electronic equipment and mobile device using the speaker |
| 01/13/2011 | US20110007921 Method and apparatus for a loudspeaker assembly |
| 01/13/2011 | US20110007914 Electrostatic loudspeaker |
| 01/13/2011 | US20110007909 Class h amplifier |
| 01/13/2011 | US20110007908 Speaker Capacitive Sensor |
| 01/13/2011 | DE202010010469U1 Professionell Personal Sound System für allgemeine Bestuhlungssituationen Professional Personal Sound System for general seating situations |
| 01/13/2011 | DE112007003716T5 Klangverarbeitungsvorrichtung, Korrekturvorrichtung, Korrekturverfahren und Computergrogramm Sound processing apparatus correction apparatus correction method and Computergrogramm |
| 01/13/2011 | DE102004056053B4 Headset, bestehend aus einem oder zwei Hörern mit Otoplastik Headset, consisting of one or two listeners with otoplasty |
| 01/13/2011 | DE10139865C5 Headset für ein elektronisches Endgerät Headset for an electronic device |
| 01/13/2011 | CA2771864A1 Bone conduction communications headset with hearing protection |
| 01/12/2011 | EP2272259A1 Wireless earphone that transitions between wireless networks |
| 01/12/2011 | EP2272258A1 Audio or audio/visual interactive entertainment system and switching device therefor |
| 01/12/2011 | EP1690437B1 Microphone comprising integral multi-level quantizer and single-bit conversion means |
| 01/12/2011 | CN201708907U Stretching sound box |
| 01/12/2011 | CN201708906U Sounding device with FM function |
| 01/12/2011 | CN201708905U Novel linear medium-high frequency compression driver |
| 01/12/2011 | CN201708904U Headset earphones |
| 01/12/2011 | CN201708903U Dual-mode communication earphone |
| 01/12/2011 | CN201708902U General headset |
| 01/12/2011 | CN201708901U Headphone splitter with amplification function |
| 01/12/2011 | CN201708900U Sound tube for in-ear earphone |
| 01/12/2011 | CN201708899U Microphone |
| 01/12/2011 | CN201708898U Detachable connection part for audio-frequency transformer and loudspeaker |
| 01/12/2011 | CN201708897U Split acoustic antenna |
| 01/12/2011 | CN201708896U 音箱 Speakers |
| 01/12/2011 | CN201708895U Circumscribed iPod and iPhone alarm clock sound box |
| 01/12/2011 | CN201708894U Sound box |
| 01/12/2011 | CN201708849U Mobile phone with hearing aid function |
| 01/12/2011 | CN1939090B Handheld device loudspeaker system |
| 01/12/2011 | CN1805609B Surface placed voice capturing microphone with rotary cable connectors |
| 01/12/2011 | CN1778141B Vehicle loudspeaker array |
| 01/12/2011 | CN101945315A Portable sound control system and sound control device thereof |
| 01/12/2011 | CN101945314A Earphone, corresponding sound source device and control method |
| 01/12/2011 | CN101945313A Headphone device |
| 01/12/2011 | CN101945312A Noise reduction pickup |
| 01/12/2011 | CN101945311A Bone conduction loudspeaker |
| 01/12/2011 | CN101141830B Headphone |