| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 08/06/2009 | DE19626933C5 Handapparat für Telefone Handset for telephones, |
| 08/05/2009 | EP2084936A2 Microphone array |
| 08/05/2009 | EP2084935A1 Sound emitting device with an expandable earpiece |
| 08/05/2009 | EP1550346B1 A sound generating apparatus, a mobile electric device and a system for generating sound |
| 08/05/2009 | CN201286164Y Microphone assembly with changeable directivity |
| 08/05/2009 | CN201286163Y Microphone assembly with changeable directivity |
| 08/05/2009 | CN201286162Y High pitch loudspeaker |
| 08/05/2009 | CN201286161Y Time limiting earphone |
| 08/05/2009 | CN201286160Y Electronic earphone |
| 08/05/2009 | CN201283226Y Sound control structure capable of connecting image and sound playing device |
| 08/05/2009 | CN101502129A Sound collection device |
| 08/05/2009 | CN101502128A Portable terminal device and housing for portable terminal device |
| 08/05/2009 | CN101500185A Loudspeaker assembly |
| 08/05/2009 | CN101500184A Acoustic transducer device |
| 08/05/2009 | CN101499825A Method for recording and playing sound of monophonic Bluetooth earphone |
| 08/05/2009 | CN100525511C Electroacoustic transducer |
| 08/04/2009 | US7570778 Angled speaker assembly |
| 08/04/2009 | US7570774 Speaker having improved sound-radiating function to both directions |
| 08/04/2009 | US7570772 Microphone with adjustable properties |
| 08/04/2009 | US7570771 Loudspeakers |
| 08/04/2009 | US7570769 Air leak self-diagnosis for a communication device |
| 08/04/2009 | US7570543 Normally closed pressure-sensitive hydrophone switch |
| 08/04/2009 | US7568552 Acoustic passive radiator rocking mode reducing |
| 08/04/2009 | CA2463206C Hearing instrument vent |
| 08/04/2009 | CA2404863C Method for providing the transmission characteristics of a microphone arrangement and microphone arrangement |
| 08/04/2009 | CA2340725C Electric/acoustic transducer module, intra-aural hearing-aid and method for producing an intra-aural hearing aid |
| 07/30/2009 | WO2009094390A2 Automatic gain control for implanted microphone |
| 07/30/2009 | WO2009094095A1 Audio headset assembly with built-in jack |
| 07/30/2009 | WO2009094047A1 Dampening mechanism for a micro speaker |
| 07/30/2009 | WO2009093978A1 A multi chamber ported stereo speaker |
| 07/30/2009 | WO2009092457A1 Size adjustable earphone house comprising a foldable sleeve |
| 07/30/2009 | WO2009092232A1 Electromagnetic vibration device and making method thereof |
| 07/30/2009 | WO2009066290A3 Digital speaker apparatus |
| 07/30/2009 | US20090190792 Dampening Mechanism for a Micro Speaker |
| 07/30/2009 | US20090190791 Acoustic transducer comprising a plurality of coaxially arranged diaphragms |
| 07/30/2009 | US20090190790 Speaker device and television set |
| 07/30/2009 | US20090190789 Method and device for detecting a displacement and movement of a sound producing unit of a woofer |
| 07/30/2009 | US20090190788 Speaker set for portable electronic device |
| 07/30/2009 | US20090190787 Speaker |
| 07/30/2009 | US20090190784 multi chamber ported stereo speaker |
| 07/30/2009 | US20090190783 Speaker set for portable electronic device |
| 07/30/2009 | US20090190781 Bone-conduction handset |
| 07/30/2009 | US20090189973 Integrated desktop videoconferencing system |
| 07/29/2009 | EP2082611A2 Loudspeaker line array configurations and related sound processing |
| 07/29/2009 | EP2082610A1 Headset with adjustable earhook |
| 07/29/2009 | EP2082609A2 Microphone microchip device with differential mode noise suppression |
| 07/29/2009 | EP2082451A1 Integrated television antenna for a portable communication device |
| 07/29/2009 | CN201282549Y Earphone capable of limiting sound volume |
| 07/29/2009 | CN201282548Y Telephone receiver |
| 07/29/2009 | CN201282547Y Earphone and earphone control box |
| 07/29/2009 | CN201282546Y Portable device of earphone |
| 07/29/2009 | CN201282545Y Wired earphone with integration switch |
| 07/29/2009 | CN201282544Y Remote control adjusting device for microphone holder |
| 07/29/2009 | CN201282543Y Microphone capable of being dividing into two |
| 07/29/2009 | CN101494808A Loudspeaker assembly |
| 07/29/2009 | CN101494807A Ear-inserting type earphone |
| 07/29/2009 | CN101494806A Mechanical passive quakeproof earphone |
| 07/29/2009 | CN101494805A Electroacoustic transducer having a slotted terminal structure for connection to a flexible wire, and an assembly of the same |
| 07/29/2009 | CN100521817C Method for setting loudspeaker array by second residual sequence and apparatus thereof |
| 07/28/2009 | US7567848 Speaker apparatus and a computer system incorporating same |
| 07/28/2009 | US7567678 Microphone array method and system, and speech recognition method and system using the same |
| 07/28/2009 | US7565948 Acoustic waveguiding |
| 07/23/2009 | WO2009073578A3 Loudspeaker-transducer array |
| 07/23/2009 | WO2009063196A3 Audio speaker |
| 07/23/2009 | WO2009056143A3 A communication device with combined electrical socket and microphone opening |
| 07/23/2009 | US20090185711 Speaker unit |
| 07/23/2009 | US20090185710 Audio speaker |
| 07/23/2009 | US20090185709 Bandpass box in the supporting structure of a vehicle |
| 07/23/2009 | US20090185708 System and method for controlling the speed of a rotating speaker |
| 07/23/2009 | US20090185696 Sound signal transmitter-receiver |
| 07/23/2009 | US20090185045 Dual-purpose hardware aperture |
| 07/23/2009 | DE202009004108U1 Gerichteter Monitorlautsprecher Directional monitor speakers |
| 07/23/2009 | DE102005044417B4 Hörvorrichtung mit Ohrmuschelmikrofonabschnitt Hearing with ear microphone section |
| 07/22/2009 | EP2081404A2 Headphone |
| 07/22/2009 | EP2081402A2 Mid and high frequency loudspeaker systems |
| 07/22/2009 | EP2081401A2 Headphone |
| 07/22/2009 | EP2081400A1 Handheld electronic device having hidden sound openings offset from an audio source |
| 07/22/2009 | EP2079609A1 Automobile vehicle subassembly for securing a fittings grid |
| 07/22/2009 | EP1851991B1 Loudspeaker cabinet and reproduction system |
| 07/22/2009 | EP1688014A4 Behind-the-head mounted personal audio set |
| 07/22/2009 | EP1685740A4 Protective cover assembly |
| 07/22/2009 | EP1190597B1 Voice-to-remaining audio (vra) interactive hearing aid & auxiliary equipment |
| 07/22/2009 | CN201278581Y Coaxial loudspeaker |
| 07/22/2009 | CN201278580Y Coaxial loudspeaker |
| 07/22/2009 | CN201278579Y Combined sound box suitable for compact and temporary sound amplification |
| 07/22/2009 | CN201278578Y Multi-socket microphone |
| 07/22/2009 | CN201278577Y Multi-insertion pore microphone |
| 07/22/2009 | CN201278576Y Water-proof electronic appliance |
| 07/22/2009 | CN101491111A Electroacoustical transducing |
| 07/22/2009 | CN101491110A Loudspeaker system and loudspeaker having a tweeter array |
| 07/22/2009 | CN101489163A Matrix high pitch KTV sound box |
| 07/22/2009 | CN101489162A Portable sound recorder |
| 07/22/2009 | CN101489161A Head wearing earphone |
| 07/22/2009 | CN101489160A Holder for a loudspeaker box |
| 07/22/2009 | CN101489159A Electronic device and electronic device accessory |
| 07/22/2009 | CN100518383C Acoustic enclosure and audio-visual apparatus comprising same |
| 07/21/2009 | USRE40860 Electrostatic audio loudspeakers |
| 07/21/2009 | US7564988 Audio apparatus |
| 07/21/2009 | US7564986 Ultrasonic speaker and projector |
| 07/21/2009 | US7564966 Recognition of audio device in portable terminal |