| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 02/05/2009 | DE102007036050A1 Cage structure for electro-dynamic cone loudspeaker, has open celled metal foam shaped bodies enclosed over larger area for movable elements, where one body is provided on front side of metal foam blocks with respect to fastening ring |
| 02/05/2009 | DE102007035189A1 Mechanical vibrations coupling device for use in flat surface loudspeaker, has cover element designed as material support, which comprises recess for accommodating transducer, where support is two-dimensionally connected with plate |
| 02/04/2009 | EP1510031A4 Localized audio networks and associated digital accessories |
| 02/04/2009 | CN201191915Y Flat-plate loudspeaker box with multiple acoustic channel |
| 02/04/2009 | CN201191914Y 无线照明耳机 Wireless Lighting headset |
| 02/04/2009 | CN201191913Y Earphone |
| 02/04/2009 | CN201191912Y Cordless microphone |
| 02/04/2009 | CN201191911Y Earphone with microphone |
| 02/04/2009 | CN201191910Y Loudspeaker box embedded with switch power supply |
| 02/04/2009 | CN201191834Y Infrared wireless earphone for computer |
| 02/04/2009 | CN201191574Y Press-key construction and apparatus of radio equipment, earphone and electronic apparatus applying the same |
| 02/04/2009 | CN201191505Y DVD player with folding speaker |
| 02/04/2009 | CN201191495Y Traffic prompt device having speaker corner |
| 02/04/2009 | CN201191428Y Micro-computer coin-in multifunctional recreational machine |
| 02/04/2009 | CN101361400A Mobile terminal and speaker |
| 02/04/2009 | CN101360350A Digital microphone |
| 02/04/2009 | CN101359764A Earphone antenna and connector thereof |
| 02/04/2009 | CN100459617C Sound reproducing apparatus |
| 02/03/2009 | CA2463195C Hearing instrument with self-diagnostics |
| 01/29/2009 | WO2009015032A2 Earbud keeper |
| 01/29/2009 | WO2009014925A2 Multiple interactive modes for using multiple earpieces linked to a common mobile handset |
| 01/29/2009 | WO2009014198A1 Partition, control method, program, and recording medium |
| 01/29/2009 | WO2009014015A1 Material for speaker device and speaker device using it |
| 01/29/2009 | WO2009013852A1 Assembling method of speaker and electronic apparatus employing that speaker |
| 01/29/2009 | WO2009013851A1 Speaker and electronic apparatus employing the same |
| 01/29/2009 | WO2009013460A2 Loudspeaker |
| 01/29/2009 | US20090028378 Speaker system |
| 01/29/2009 | US20090028377 Damper for speaker and speaker using the damper |
| 01/29/2009 | US20090028372 Light fixture with sound capability |
| 01/29/2009 | US20090028371 Positionally Sequenced Loudspeaker System |
| 01/29/2009 | US20090028370 Speaker system |
| 01/29/2009 | US20090028369 Inflatable speaker roll |
| 01/29/2009 | US20090028368 Diaphragm and sound output apparatus |
| 01/29/2009 | US20090028358 Speaker array apparatus |
| 01/29/2009 | US20090028356 Diaphonic acoustic transduction coupler and ear bud |
| 01/29/2009 | DE102008016570A1 Sound reproducing method, involves reducing phase difference of phase responses in basses, and damping exciting voltages strongly with increasing frequencies and selecting critical frequency smaller than magnitude by circuit |
| 01/29/2009 | DE102007039153B3 Electro dynamic transducer head for nondestructive test of workpiece, has long paths placed back in concentrator so that damping of signal is occurred and signal'delay is high so that signal is different from signals from workpiece |
| 01/29/2009 | DE102007033520A1 Vorrichtung zur Klangwiedergabe Apparatus for sound reproduction |
| 01/28/2009 | EP2019562A2 Cymbal mountable microphone mounting device |
| 01/28/2009 | EP1374630B1 Electroacoustic transducer having spring contacts |
| 01/28/2009 | CN201188689Y Capacitance microphone |
| 01/28/2009 | CN201188687Y Active acoustic enclosure |
| 01/28/2009 | CN201188686Y Integral PSP game machine ear microphone |
| 01/28/2009 | CN201188685Y Multifunctional earphone line |
| 01/28/2009 | CN201188684Y Thermal protection earphone |
| 01/28/2009 | CN201188683Y Detachable earphone |
| 01/28/2009 | CN201188682Y Multifunctional earphone |
| 01/28/2009 | CN201188681Y Structural object for shielding high-frequency radio noise for microphone |
| 01/28/2009 | CN201188680Y Regulation type supra-aural microphone |
| 01/28/2009 | CN201188679Y Supra-aural microphone |
| 01/28/2009 | CN201188444Y Data line capable of implementing electrification and earphone function |
| 01/28/2009 | CN101356852A Electrostatic loudspeaker systems and methods |
| 01/28/2009 | CN101356851A 家用器具 Household appliances |
| 01/28/2009 | CN101356850A Ultrasonic receiver |
| 01/28/2009 | CN101356849A Microphone device |
| 01/28/2009 | CN101355823A Insert earphone using bone conduction loudspeaker |
| 01/28/2009 | CN101355822A Holding structure |
| 01/27/2009 | US7483725 Mobile telephone |
| 01/27/2009 | US7483544 Audio device post extension and angling system |
| 01/27/2009 | US7483543 Stereo imaging manifold and method for use in a portable electronic device |
| 01/27/2009 | US7481295 Speaker system and speaker enclosure |
| 01/22/2009 | WO2009012497A1 System and method for directionally radiating sound |
| 01/22/2009 | WO2009011416A1 Suspension structure |
| 01/22/2009 | WO2009011108A1 Vibration device and acoustic system |
| 01/22/2009 | WO2007098334A3 Loudspeaker gasketing |
| 01/22/2009 | US20090022355 Loudspeaker |
| 01/22/2009 | US20090022354 Articulated speaker rigging system and method |
| 01/22/2009 | US20090022352 Earbud keeper |
| 01/22/2009 | US20090022350 Acoustic Vibration Sensor |
| 01/22/2009 | US20090022334 Wire-Free Headset, Portable Media Player |
| 01/22/2009 | US20090022332 Enhanced Audio Recording For Smart Pen Computing Systems |
| 01/22/2009 | US20090022327 System having a pulse width modulation device |
| 01/22/2009 | US20090022294 Method and device for quiet call |
| 01/22/2009 | DE102007033714A1 Hörvorrichtung mit einer Befestigungseinrichtung zum Anstecken eines Audioschuhs und entsprechender Audioschuh Hearing device with a fastening device for plugging an audio shoe and corresponding audio shoe |
| 01/21/2009 | EP2018076A2 Attachment apparatus |
| 01/21/2009 | CN201185472Y Improved head earphone structure |
| 01/21/2009 | CN201185470Y Wave-guide structure of linear array acoustic enclosure for controlling high-frequency pointing characteristic |
| 01/21/2009 | CN201185469Y 耳机 Headphone |
| 01/21/2009 | CN201185468Y Floatable microphone |
| 01/21/2009 | CN201185467Y Horn net with protection film |
| 01/21/2009 | CN201185466Y Bluetooth molding acoustic enclosure |
| 01/21/2009 | CN201185430Y Digitalization network microphone |
| 01/21/2009 | CN201185416Y 无线耳机系统 Wireless Headset System |
| 01/21/2009 | CN101352097A Headphones |
| 01/21/2009 | CN101352096A Earphone-equipped antenna and earphone |
| 01/21/2009 | CN101352023A Noise canceller, sound collector having the noise canceller, and portable phone having the noise canceller |
| 01/21/2009 | CN101351836A Acoustic transducer array signal processing |
| 01/21/2009 | CN101351058A Microphone array and method for implementing voice signal enhancement |
| 01/21/2009 | CN101351057A Transducer and assembly method thereof |
| 01/21/2009 | CN101350628A Wireless microphone capable of automatically tracking frequency and resisting noise |
| 01/21/2009 | CN101349152A Acoustic transducers suitable for underground |
| 01/20/2009 | US7480392 Plate type speaker using horizontal vibration voice coil |
| 01/20/2009 | US7480390 Loudspeaker edge |
| 01/20/2009 | US7480389 Sound direction system |
| 01/20/2009 | US7480209 Submersible loudspeaker assembly |
| 01/20/2009 | US7478703 Speaker cabinet and speaker device |
| 01/15/2009 | WO2009009568A2 Augmented elliptical microphone array |
| 01/15/2009 | WO2009007386A1 Method for producing an active acoustic panel and device for attenuating noises using such an active acoustic panel |
| 01/15/2009 | WO2009006897A1 Headset system comprising a noise dosimete |
| 01/15/2009 | US20090017875 Cellular telephone and personal digital assistant |