| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 06/28/2005 | US6912292 Concentric co-planar multiband electro-acoustic converter |
| 06/28/2005 | US6912291 Structure of a receptacle for earphone wire |
| 06/28/2005 | US6912290 Speaker unit for low frequency reproduction |
| 06/28/2005 | US6910549 Embedded multimedia speaker structure |
| 06/28/2005 | US6910548 Modular speaker construction |
| 06/28/2005 | CA2286634C Headset assembly |
| 06/23/2005 | WO2005057984A1 Audio signal processing device and audio signal reproduction system |
| 06/23/2005 | US20050135653 Acoustically enhanced electro-dynamic loudspeakers |
| 06/23/2005 | US20050135647 Acoustic enclosure for single audio transducer |
| 06/23/2005 | US20050135642 Integrated vehicle instrument panel speaker system |
| 06/23/2005 | US20050135641 Variable directional capacitor microphone comprising elastic acoustic resisting member |
| 06/23/2005 | US20050135640 Capacitor microphone |
| 06/23/2005 | US20050135633 Audio system |
| 06/23/2005 | US20050134473 Display unit for refrigerator |
| 06/23/2005 | US20050134472 Display unit for refrigerator |
| 06/23/2005 | US20050134437 Automated annunciator parameter transfer apparatus and method |
| 06/23/2005 | US20050133298 Speaker box for use in back-load horn |
| 06/23/2005 | DE202005005296U1 Am Kopf tragbarer MP3-Spieler At the top portable MP3 player |
| 06/23/2005 | DE202005003417U1 Woofer boxless loudspeaker panel for fitting on wall and ceiling, or for free standing, with one or more oscillatingly suspended magnets on thin plate for multiplex purposes |
| 06/23/2005 | DE10353578A1 Loudspeaker unit with multiply divided resonance cavity for motor vehicle, has part cavities air-tightly joined to one another |
| 06/22/2005 | EP1545150A1 Portable electronic communication device |
| 06/22/2005 | EP1544635A1 Sound source search system |
| 06/22/2005 | EP1543702A2 Drive mechanism |
| 06/22/2005 | CN2705985Y Audio device with retractable earpieces |
| 06/22/2005 | CN2705984Y USB speaker |
| 06/22/2005 | CN2705983Y Microphone joint with lock |
| 06/22/2005 | CN1630433A Portable underwater playback device |
| 06/22/2005 | CN1630430A An underwater loudspeaker |
| 06/22/2005 | CN1630429A An underwater playback device |
| 06/22/2005 | CN1630428A Silicon microphone assembly capable of realizing sound source direction |
| 06/22/2005 | CN1630427A A method of bass boosting processing |
| 06/22/2005 | CN1630426A Echo tube mounting structure for loudspeaker |
| 06/22/2005 | CN1630425A Speaker device |
| 06/22/2005 | CN1630314A Wireless communication machine using single earpiece with microphone and loudspeaker function |
| 06/21/2005 | US6909670 Ultrasonic sensor assembly for a vehicle reversing radar |
| 06/21/2005 | US6908312 Press-contact type adapter for establishing conduction between an electrode of an electric part and the electrode of an electrically joined member |
| 06/21/2005 | US6907786 Device for injecting ultrasonic waves into a medium |
| 06/21/2005 | CA2168980C Loudspeaker |
| 06/16/2005 | WO2005055650A1 In-ear device |
| 06/16/2005 | WO2005055642A2 Flat compact-type earphone line case, reel assembly thereof, and method for connecting earphone line to jack line |
| 06/16/2005 | WO2005055406A1 Microphine with voltage pump |
| 06/16/2005 | US20050130716 Apparatus and method for providing sound in a mobile communication terminal |
| 06/16/2005 | US20050129267 Resonant panel-form loudspeaker |
| 06/16/2005 | US20050129265 Exciter for directly vibrating board and speaker apparatus used the same |
| 06/16/2005 | US20050129263 Image display device |
| 06/16/2005 | US20050129261 Electronic instrument |
| 06/16/2005 | US20050129260 Injection method of inserting spring into multifunctional actuator |
| 06/16/2005 | US20050129259 Telephone headset with in-use indicator |
| 06/16/2005 | US20050129257 Acoustic vibration generating element |
| 06/16/2005 | US20050128431 Multi-directional adjustment devices for speaker mounts for eyeglass with MP3 player |
| 06/16/2005 | US20050127783 Acoustic transducer |
| 06/16/2005 | US20050126847 Speaker grill |
| 06/16/2005 | US20050126846 Loudspeaker enclosure incorporating a leak to compensate for the effect of acoustic modes on loudspeaker frequency response |
| 06/16/2005 | US20050126845 Attenuating foam insert and method for manufacture |
| 06/16/2005 | US20050126370 Playback mode control device and playback mode control method |
| 06/16/2005 | DE202005005883U1 Wind shield device for microphones has a three-dimensional structure made from wires with a flexible shape linked to contact points to create an air-filled space around a microphone body |
| 06/16/2005 | DE202005000539U1 Fastening device for a protective grid on a loudspeaker box uses magnets fitted on the protective grid and/or loudspeaker box |
| 06/16/2005 | DE202004017450U1 Fastening for loudspeaker chassis has an acoustic baffle, a rubber collar and an additional fixing device made from flexible materials |
| 06/15/2005 | EP1542499A2 Acoustic vibration generating element |
| 06/15/2005 | EP1542497A1 Vibration actuator device of portable terminal |
| 06/15/2005 | EP1542496A1 Loudspeaker enclosure incorporating a leak to compensate for the effect of acoustic modes on loudspeaker frequency response |
| 06/15/2005 | EP1542495A1 Headphone |
| 06/15/2005 | EP1540993A2 Audio radiator with radiator flexure minization and voice coil elastic anti-wobble members |
| 06/15/2005 | EP1540992A2 Recreational bone conduction audio device, system |
| 06/15/2005 | EP1540986A1 Calibrating a first and a second microphone |
| 06/15/2005 | EP1540406A2 Headset for camera |
| 06/15/2005 | CN2704988Y Rotary spherical loudspeaker boxes |
| 06/15/2005 | CN1628484A Loudspeaker edge |
| 06/15/2005 | CN1627864A Acoustic vibration generating element |
| 06/15/2005 | CN1627773A Apparatus for providing sound in a mobile communication terminal |
| 06/15/2005 | CN1206664C Connecting wire of casque |
| 06/14/2005 | US6907121 Impedance matched horn having impedance matched to impedance of an ear |
| 06/14/2005 | US6905001 Sounders for fire alarm systems |
| 06/09/2005 | WO2005053355A2 Carry case |
| 06/09/2005 | WO2005053353A2 Electro-acoustic apparatus with a channel means to change the acoustic output |
| 06/09/2005 | WO2005053352A1 Wireless earphone in earring type |
| 06/09/2005 | WO2005053351A1 U shape vibro woofer which is wearing on shoulder |
| 06/09/2005 | WO2005018274A3 Boundary layer adapter |
| 06/09/2005 | WO2004104993A3 Method and system for adjustment of components in a head stack assembly |
| 06/09/2005 | US20050125087 Promotional portable music players |
| 06/09/2005 | US20050124391 Ear wearable type wireless terminal |
| 06/09/2005 | US20050123166 Structure of speaker |
| 06/09/2005 | US20050123165 Speaker stacking structure |
| 06/09/2005 | US20050123162 Externally ported loudspeaker enclosure |
| 06/09/2005 | US20050123161 System for housing an audio system in an aquatic environment |
| 06/09/2005 | US20050123160 Sheath for in-ear device |
| 06/09/2005 | US20050123159 Portable accoustic apparatus |
| 06/09/2005 | US20050123156 Audio device post extension and angling system |
| 06/09/2005 | US20050123155 SMD type biased condenser microphone |
| 06/09/2005 | US20050123149 Audio system based on at least second-order eigenbeams |
| 06/09/2005 | US20050123147 FM transmitter for an MP player |
| 06/09/2005 | DE10327634B4 Mikrofon Microphone |
| 06/09/2005 | CA2546859A1 Hearing protector |
| 06/08/2005 | EP1538872A2 SMD Type biased condenser microphone |
| 06/08/2005 | EP1538871A2 Speaker device |
| 06/08/2005 | EP1538867A1 Handsfree system for use in a vehicle |
| 06/08/2005 | EP1538866A2 FM transmitter for an MP3 player |
| 06/08/2005 | EP1538865A1 Microphone and communication interface system |
| 06/08/2005 | EP1538815A1 Ear wearable type wireless terminal |
| 06/08/2005 | CN2704171Y Blue-tooth earphone |