| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 06/10/2009 | CN101453677A Headphone set and headphone cable |
| 06/10/2009 | CN101453676A Liftable loudspeaker |
| 06/10/2009 | CN101453675A Automatic voltage measurement microphone |
| 06/10/2009 | CN100499875C Directional microphone arrangement and method for signal processing in directional microphone arrangement |
| 06/10/2009 | CN100499874C Surface mountable electret condenser microphone |
| 06/10/2009 | CN100499873C Mobile communication terminal and electro-acoustic transducer used for the same |
| 06/10/2009 | CN100499687C Portable terminal having multi-purpose earphone socket |
| 06/10/2009 | CN100499685C Speakerphone and method for establishing a session telephone |
| 06/09/2009 | US7545946 Method and system for surround sound beam-forming using the overlapping portion of driver frequency ranges |
| 06/09/2009 | US7545082 Ultrasonic sensor device and ultrasonic transducer |
| 06/09/2009 | US7544880 Playback mode control device and playback mode control method |
| 06/09/2009 | US7543681 Architectural speaker assembly |
| 06/04/2009 | WO2009069289A1 Voice input/output automatic switching circuit used in hand-held microphone with speaker of communication device such as transceiver |
| 06/04/2009 | WO2009069287A1 Transceiver for attaching to face piece |
| 06/04/2009 | WO2009069184A1 Sound processing device, correcting device, correcting method and computer program |
| 06/04/2009 | WO2009068927A1 Electronic device acoustic chamber |
| 06/04/2009 | WO2009068859A1 Earphone |
| 06/04/2009 | US20090141926 Optimized Moving-Coil Loudspeaker |
| 06/04/2009 | US20090141925 Electro-dynamic transducer with a slim form factor |
| 06/04/2009 | US20090141922 Implantable microphone with shaped chamber |
| 06/04/2009 | US20090139990 Portable Box for Carrying Items |
| 06/04/2009 | DE202009001941U1 Gehörschutz mit Audioabspielvorrichtung Hearing protection with audio player |
| 06/04/2009 | DE102007045749A1 Attachment device for attachment of behind-the-ear-hearing device at ear of athletic active user, has clip for direct attachment on body part of user in detachable manner, and band connecting insertion element with clip |
| 06/03/2009 | EP2064914A1 Device for and method of processing an audio signal and/or a video signal to generate haptic excitation |
| 06/03/2009 | EP1969897A4 Headphones with detachable headband |
| 06/03/2009 | EP1656817A4 Ear warmer with a speaker system |
| 06/03/2009 | EP1638810A4 Rearview mirror assemblies incorporating hands-free telephone components |
| 06/03/2009 | EP0985327B1 Flush mounted uni-directional microphone |
| 06/03/2009 | CN201252637Y Duocone coaxial loudspeaker |
| 06/03/2009 | CN201252636Y Single wire and double-wire interchanging variable-length signal dividing ear piece combined system |
| 06/03/2009 | CN201252635Y Double-frequency coaxial earphones with shared magnet |
| 06/03/2009 | CN201252634Y Earphone which can be worn trimly and is convenient for two persons to use |
| 06/03/2009 | CN201252633Y Ear piece |
| 06/03/2009 | CN201252632Y Ear-hang type earphone |
| 06/03/2009 | CN201252631Y 耳机电子装置 Earphone electronic devices |
| 06/03/2009 | CN201252630Y Wall-embedded sound box |
| 06/03/2009 | CN101449593A Microphone for audio source tracking |
| 06/03/2009 | CN101449592A Mounting structure of electric motor phonic transducer |
| 06/03/2009 | CN101448185A Earphone jack of a music player |
| 06/03/2009 | CN100496148C Audio frequency output regulating device and method of household cinema |
| 06/02/2009 | US7542813 Rapidly optimized wireless microphone system and method for controlling thereof |
| 06/02/2009 | US7542662 Reproduction system |
| 06/02/2009 | US7542583 Loudspeaker |
| 06/02/2009 | US7542582 Personal communications earpiece |
| 06/02/2009 | US7542578 Condenser microphone |
| 06/02/2009 | US7542575 Digital sound processing system for a vehicle |
| 05/30/2009 | CA2639409A1 Home theatre cushion |
| 05/28/2009 | WO2009067085A1 An ear bud earphone with variable noise isolation, a cushion for an ear bud earphone and a corresponding method |
| 05/28/2009 | WO2009066290A2 Digital speaker apparatus |
| 05/28/2009 | WO2009065408A1 Frame earhook |
| 05/28/2009 | US20090136077 Speaker apparatus and method for driving speaker |
| 05/28/2009 | US20090136076 Portable inflatable and illuminative speaker |
| 05/28/2009 | US20090136072 Sound reproduction with improved performance characteristics |
| 05/28/2009 | US20090136067 Multi-function headphone system |
| 05/28/2009 | US20090136065 Composite speaker and its manufacturing method |
| 05/28/2009 | US20090136058 Compatible circuit and method for 4- and 5-pole earphones and portable device using the same |
| 05/28/2009 | US20090136057 Automated Sensor Signal Matching |
| 05/28/2009 | US20090135673 Methods, Systems and Apparatus for Measuring Acoustic Pressure |
| 05/28/2009 | US20090135017 Wireless headset and battery status indication method thereof |
| 05/28/2009 | DE202009003799U1 Lautsprechergehäuse Speaker cabinet |
| 05/28/2009 | DE202009001466U1 Intuitiv gesteuerte Gehörschutzschaltung für Kopfhörer Intuitively controlled hearing protection switch for headphones |
| 05/28/2009 | DE102008049932A1 Bauteil für Kopfhörer mit Geräuschunterdrückung Component for Noise Cancelling Headphones |
| 05/28/2009 | DE102007055319A1 Manufacture of strain relief collar for accessory associated with mobile device, comprises injection molding outer molded body, inserting cord through outer molded body, and injection molding inner molded body in engagement portion |
| 05/27/2009 | EP2063661A1 Microphone system, sound input apparatus and method for manufacturing the same |
| 05/27/2009 | EP2062459A2 Headband-type communication device, to be placed on the head of a user |
| 05/27/2009 | EP1825399A4 Promotional portable music players |
| 05/27/2009 | CN201248134Y Wireless terminal with hanging external-laying type acoustic enclosure |
| 05/27/2009 | CN201248124Y Device for improving acoustic quality |
| 05/27/2009 | CN201248123Y 耳机 Headphone |
| 05/27/2009 | CN201248122Y Folding microphone |
| 05/27/2009 | CN201248121Y Dropping-proof microphone |
| 05/27/2009 | CN201248120Y 话筒 Microphone |
| 05/27/2009 | CN201248119Y Folding speaker |
| 05/27/2009 | CN201248065Y Telephone ear microphone |
| 05/27/2009 | CN201247598Y Earplug type MP3 player |
| 05/27/2009 | CN201247596Y Novel music player |
| 05/27/2009 | CN201247494Y Intercommunication device for cipher peep-proof window |
| 05/27/2009 | CN101444111A MEMS microphone of card type |
| 05/27/2009 | CN101444109A Loudspeaker with reduced rocking tendency |
| 05/27/2009 | CN101444108A Transducer enclosure |
| 05/27/2009 | CN101444107A Wind noise rejection apparatus |
| 05/27/2009 | CN101442695A Microphone system, sound input apparatus and method for manufacturing the same |
| 05/27/2009 | CN101442694A Loudspeaker assembly |
| 05/27/2009 | CN101442693A Wire-restoring device for earphone cord, automatic wire-restoring earphone, non-radiation wired mobile phone and electronic equipment |
| 05/27/2009 | CN101441867A Acoustic propagation tube capable of adjusting acoustic effect and acoustic enclosure thereof |
| 05/27/2009 | CN101439311A Cracking machine with sound equipment |
| 05/27/2009 | CN100493234C Loudspeaker |
| 05/27/2009 | CN100493233C Manufacture method of sound box of imitating stone |
| 05/26/2009 | US7539302 Dockable earpiece for portable phones |
| 05/26/2009 | US7538820 Information terminal device with angled output units |
| 05/26/2009 | US7537964 Method of fabricating a miniature silicon condenser microphone |
| 05/26/2009 | CA2612400A1 Headset with magnetic breakaway switch permitting removal and reinstallation of an earphone |
| 05/22/2009 | WO2009065088A2 Solar-powered headset |
| 05/22/2009 | WO2009064833A1 Multiple magnet loudspeaker |
| 05/22/2009 | WO2009063196A2 Audio speaker |
| 05/22/2009 | WO2009062643A1 Housing for microphone arrays and multi-sensor devices for their slze optimization |
| 05/22/2009 | WO2009062214A1 Method for synthesizing a microphone signal |
| 05/22/2009 | WO2009062213A1 Microphone arrangement, having two pressure gradient transducers |
| 05/22/2009 | WO2009062212A1 Microphone arrangement comprising three pressure gradient transducers |
| 05/22/2009 | WO2009062211A1 Position determination of sound sources |