Patents for H04R 1 - Details of transducers (42,173)
05/2013
05/08/2013CN103096192A Voice box
05/08/2013CN103096191A Audio component provided with lamp holder and bulb provided with the same
05/08/2013CN103096190A Coaxial/bass sound speaker device of Volkswagen (VW) and manufacturing method
05/08/2013CN103096189A Coaxial/bass sound speaker device of Mercedes-benz (MB) and manufacturing method
05/08/2013CN103096188A GM motor coaxial/ low pitch sounder loudspeaker device and manufacturing method thereof
05/08/2013CN103090215A Lamp bulb with accommodating space and audio lamp bulb assembly
05/08/2013CN102026471B Circuit board and manufacturing method thereof
05/08/2013CN101894546B Electronic keyboard musical instrument
05/07/2013US8437495 Tensioned adjustment mechanism for mounted loudspeaker system
05/07/2013US8437494 Mount structure of electromechanical acoustic transducer
05/07/2013US8437493 Apparatus for mounting a speaker module
05/07/2013US8434493 Adjustable mouth shield device
05/02/2013WO2013062917A1 System and method for the protection and storage of small electronic components
05/02/2013WO2013062477A1 Cable collector
05/02/2013WO2013062454A1 Head support with detachable ear cups
05/02/2013WO2013062000A1 Transmitter, receiver, transmission method, reception method, communication system, communication method, program, and computer-readable storage medium
05/02/2013WO2013060761A1 Acoustic chamber including a coaxial loudspeaker having a controlled and variable directivity
05/02/2013WO2013060072A1 Earphone frame
05/02/2013WO2013060071A1 Earphone frame and earphone with same
05/02/2013WO2013011212A4 Integrated amplifying device for an acoustic guitar or equivalent instruments
05/02/2013WO2012018747A3 Equal expansion rate symmetric acoustic transformer
05/02/2013US20130108099 Loudspeaker having improved cooling system integrally formed on speaker frame
05/02/2013US20130108098 Protector for earphone cord and earphone using the protector
05/02/2013US20130108085 Low profile loudspeaker
05/02/2013US20130108069 Hands-free apparatus
05/02/2013US20130108068 Headset with two-way multiplexed communication
05/02/2013US20130105244 Acoustic enclosure for loudspeakers
05/02/2013DE102012219677A1 Fahrzeuganwesenheitsunterrichtungsvorrichtung Under the direction of vehicle presence device
05/02/2013DE102011121006A1 Elektroakustischer Wandler Electro-acoustic transducer
05/02/2013DE102011116991A1 Geräuschunterdrückungssystem und Verfahren zur Geräuschunterdrückung Noise suppression system and method for noise suppression
05/02/2013DE102011085361A1 Mikrofoneinrichtung Microphone device
05/02/2013CA2853474A1 System and method for the protection and storage of small electronic components
05/01/2013EP2587837A1 Acoustic generator
05/01/2013EP2587835A1 Tunable multichannel headphone and method for assembling the same
05/01/2013EP2587834A1 Microphone unit
05/01/2013EP2587833A1 Headset with two-way multiplexed communication
05/01/2013EP2587832A1 Microphone unit
05/01/2013EP2586217A1 Electronic apparatus having microphones with controllable front-side gain and rear-side gain
05/01/2013EP2586216A1 Method and devices for occluding an ear canal having a predetermined filter characteristic
05/01/2013EP2586215A1 Loudspeaker enclosure consisting of stone and method for manufacturing same
05/01/2013CN202918480U Wireless sound box
05/01/2013CN202918476U Waterproof stereo
05/01/2013CN202918475U Fountain sound box
05/01/2013CN202918474U An earphone bag adsorbed on a listening device
05/01/2013CN202918473U Network earphone
05/01/2013CN202918472U Heating earphone
05/01/2013CN202918471U 耳机插头 Headphone plug
05/01/2013CN202918470U Terminal device accessory and terminal device
05/01/2013CN202918469U Multifunctional earphone device
05/01/2013CN202918468U Earphone cord fixing device
05/01/2013CN202918467U Earphone not easy to shed from ear canals
05/01/2013CN202918466U Fishing line earphones
05/01/2013CN202918465U Multifunctional anti-popping earshield
05/01/2013CN202918464U Storage box for earphone
05/01/2013CN202918463U Metal ring in earphone jacket mould assembly
05/01/2013CN202918462U Earphone with timing function
05/01/2013CN202918461U FM frequency range wireless microphone device
05/01/2013CN202918460U Novel sound device
05/01/2013CN202918459U Domestication machine loudspeaker structure used for luring fishes
05/01/2013CN202918458U Sound box-containing support for tablet electronic equipment
05/01/2013CN202918457U Portable singing sound apparatus
05/01/2013CN202918456U Suction cup loudspeaker box
05/01/2013CN202916794U 耳机游戏控制手柄 Headphone game control handle
05/01/2013CN103081510A Ear speaker
05/01/2013CN103081509A 麦克风 Microphone
05/01/2013CN103079162A Integrated loudspeaker, sound box and manufacturing method
05/01/2013CN103079142A Bass time delay adjusting system and bass time delay adjusting method for wireless subwoofer
05/01/2013CN103079141A Telephone receiver for eliminating high frequency influence
05/01/2013CN103079140A Cylindrical receiver with polygonal vibrating diaphragm
05/01/2013CN103079139A Anti-collision falling-resisting type telephone receiver
05/01/2013CN103079138A Earphone and method for realizing automatic recognition switching control of earphone
05/01/2013CN103079137A Headset with pressure equalizer
05/01/2013CN103079136A Novel structure earcap
05/01/2013CN103079135A Bone-conduction headset device with single magnet and processing method thereof
05/01/2013CN103079134A Self-adaptive telephone receiver
05/01/2013CN103079133A Improved device for improving receiver noise
05/01/2013CN103079132A Telephone receiver used for low-frequency compensation
05/01/2013CN103079131A Circuit board with open and close hole and telephone receiver thereof
05/01/2013CN103079130A Device for improving receiver noise
05/01/2013CN103079129A Circular arc sound box
05/01/2013CN103079128A Circular arc sound box
05/01/2013CN103079127A Sound box
05/01/2013CN103079126A Sound box
05/01/2013CN103079125A Sound box
05/01/2013CN103079124A Loudspeaker box
05/01/2013CN103079123A Loudspeaker box
05/01/2013CN103079122A Circular arc sound box
05/01/2013CN103079121A Strip-shaped mesh enclosure of sound system
05/01/2013CN103079120A Shielding outer shell with positioning chassis and receiver with shielding outer shell
05/01/2013CN101770770B Electric keyboard instrument
05/01/2013CN101668241B Multi-socket microphone
05/01/2013CN101052238B Portable voice guide device
04/2013
04/30/2013US8433378 Audio driver housing with expandable chamber for portable communication devices
04/30/2013US8433091 Ultra-thin loudspeaker structure
04/30/2013US8433089 Voice input apparatus
04/30/2013US8433075 Audio system based on at least second-order eigenbeams
04/30/2013US8430200 Speaker apparatus
04/30/2013DE202013101710U1 Ein Hut mit MP3 A hat with MP3
04/30/2013CA2655902C Method and system for equal acoustics porting
04/30/2013CA2451581C Speaker port system for reducing boundary layer separation
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