Patents for H04R 1 - Details of transducers (42,173)
01/2008
01/09/2008CN201004707Y Transmitter with remote control
01/09/2008CN201004706Y Intelligent transmitter with MP3
01/09/2008CN201004705Y Loudspeaker
01/09/2008CN201004324Y An ear hung MP3
01/09/2008CN201003745Y Lamp holder
01/09/2008CN101102618A An earphone wearing method and system
01/09/2008CN101102617A A jacket structure, earphone and earplug
01/09/2008CN101102338A Mobile phone with earphone function
01/09/2008CN100361425C Portable voice frequency listening equipment
01/09/2008CN100361196C Electropneumatic horn
01/08/2008US7317810 Magnetic circuit and speaker
01/08/2008US7317808 Microphone
01/08/2008US7317804 Sound collecting device minimizing electrical noise
01/08/2008US7317374 Self-damped inductor
01/08/2008US7316290 Acoustic lens system
01/08/2008US7316289 Electro-acoustic transducer and method of manufacturing transducer
01/08/2008CA2443580C Earmuff with earphone
01/08/2008CA2372351C Microphone gasket with integrated acoustic resistance
01/03/2008WO2008002694A2 Method and system for equal acoustics porting
01/03/2008WO2008002266A1 Device in a headset
01/03/2008WO2008002018A1 Speaker
01/03/2008WO2008001659A1 Sound generating/collecting device
01/03/2008WO2008001423A1 Portable telephone
01/03/2008WO2008000304A1 Earphone system with usage detection
01/03/2008US20080004872 Apparatus and Method for Sound Enhancement
01/03/2008US20080002850 Speaker and manufacturing method
01/03/2008US20080002145 Adaptor For Signal Communicative Members For Eyewear
01/03/2008DE202005021432U1 Hörer Listener
01/03/2008DE10154322B4 Kommunikationssystem für Fahrer/Mitfahrer Communication system for driver / passenger
01/02/2008EP1874084A2 Hearing-aids with special power source
01/02/2008EP1874083A1 A sound box integrated multi-channel
01/02/2008EP1874081A2 Loudspeaker enclosure and loudspeaker system
01/02/2008EP1874080A2 Earphones
01/02/2008EP1874079A2 Earphone
01/02/2008EP1874078A1 Sheathing-type earphone structure
01/02/2008EP1872619A1 Wind noise rejection apparatus
01/02/2008EP1872618A1 Acoustic loading device for loudspeakers
01/02/2008CN201001190Y Wireless earphone with decorativeness
01/02/2008CN201001189Y Notebook computer with expandable earphone
01/02/2008CN201001188Y Earplug movable hook
01/02/2008CN201001187Y Headband type earphone
01/02/2008CN201001186Y Microphone
01/02/2008CN201001185Y Sound potted plant
01/02/2008CN201001184Y Sound box hanging connection device
01/02/2008CN201001183Y Decorating frame sound box
01/02/2008CN201001182Y Integrated curve wooden rear casing sound box
01/02/2008CN201000926Y Multipath audio signal wire
01/02/2008CN200997984Y Multifunctional bag
01/02/2008CN101099409A Sound receiver
01/02/2008CN101098568A Loudspeaker enclosure and loudspeaker system
01/02/2008CN101098567A Earphone assembly having hanging function
01/02/2008CN101098566A Gas¿Ccontrolled compact earphone
01/02/2008CN101098565A Embedded rotatable sound box
01/02/2008CN101098564A Speaker for portable unit
01/02/2008CN101098353A Earphone device capable of communicating with mobile communication equipment
01/02/2008CN101097459A Loudspeaker structure of portable computers
01/02/2008CN101097458A Loudspeaker structure of portable computers
01/02/2008CN100359991C Energy saving acoustic system with low cost, high electroacoustic conversion efficiency and constant playback sound pressure
01/02/2008CN100359990C Magnetic system of electro-acoustical converter
12/2007
12/27/2007WO2007149303A2 Acoustic energy projection system
12/27/2007WO2007148155A1 Speaker apparatus of a wireless communication device
12/27/2007WO2007148151A1 Mobile radio terminal having speaker port selection and method
12/27/2007WO2007147416A1 A hearing aid with an elongate member
12/27/2007WO2007147289A1 A fixation structure of a sensor
12/27/2007WO2007100706A3 Portable media delivery system
12/27/2007WO2004058054A3 Transducer for sensing body sounds
12/27/2007US20070297639 Multiple magnet loudspeaker
12/27/2007US20070297638 Boundary layer regulator for extended range acoustical transducers
12/27/2007US20070297637 Loudspeaker System, Mobile Terminal Device, an Electronic Device
12/27/2007US20070297635 Speaker device
12/27/2007US20070297634 Earphone system with usage detection
12/27/2007US20070297633 Headphone set
12/27/2007US20070297629 Method and system for equal acoustics porting
12/27/2007US20070297621 Robot Having a Head with Artificial Ears
12/27/2007US20070297617 Neighbor friendly headset: featuring technology to reduce sound produced by people speaking in their phones
12/27/2007DE202007007006U1 Universal Hör-/Sprechgarnitur/Universalheadset für Flugfunk, Profifunk, Amateurfunk, Jedermannfunk und Audiogeräte Universal headphone / headset / Universal Headset for aeronautical radio, professional radio, amateur radio, citizens' band radio and audio equipment
12/27/2007DE202006013124U1 Mikrophon mit Zusatzfunktionen Microphone with additional functions
12/27/2007DE102006036991A1 Ohrhörer mit einem Schallleitungsrohr Earphones with a sound pipe
12/27/2007CA2655311A1 Portable consumer device verification system
12/26/2007EP1871143A1 Array speaker apparatus
12/26/2007EP1869947A1 Method and apparatus for communicating sound over an optical link
12/26/2007EP1869945A2 Compact portable media reproduction system
12/26/2007EP1869944A1 Stand system with integrated electrical plug for portable electronic devices
12/26/2007CN200997683Y Active loundspeaker box with automatic-switching function
12/26/2007CN200997679Y Acoustically-transparent dome
12/26/2007CN200997678Y Loundspeaker acoustic cavity structure of point reader
12/26/2007CN200997677Y Waterproof earphone
12/26/2007CN200997676Y Ear microphone
12/26/2007CN200997675Y Closed hollow-pipe in-circuit earphone
12/26/2007CN200997674Y Wireless microphone receiver
12/26/2007CN200997673Y Metal hose for earphone and microphone
12/26/2007CN200997672Y Intelligent microphne with memory rebroadcasting function
12/26/2007CN200997671Y Stand with telescopic loundspeaker
12/26/2007CN200997670Y Foldable loundspeaker box
12/26/2007CN200994744Y Lifter of loundspeaker of bath
12/26/2007CN101095369A Wrist watch with earphone function
12/26/2007CN101094538A Device of improving external playback effect, its external means and playback terminal
12/26/2007CN101094537A Panel speaker
12/26/2007CN101094536A Earphone of having only sound guiding tube of outer chamber
12/26/2007CN101094535A Terminal device of loudspeaker