Patents for H04R 9 - Transducers of moving-coil, moving-strip, or moving-wire type (11,486)
07/2011
07/20/2011EP2345259A2 Acoustic valve mechanisms
07/20/2011CN201904916U Multi-diaphragm loudspeaker
07/20/2011CN201904915U Double-surround loudspeaker
07/20/2011CN201904914U Electroacoustic conversion device with snap-on circuit board structure
07/20/2011CN201904913U Loudspeaker
07/20/2011CN201904912U Runway type voice coil with frame
07/20/2011CN201904911U Fitting structure of spring plates and plastic base of sounder
07/20/2011CN201904903U Electromagnetic boosting loudspeaker with low frequency sound pressure compensation function
07/20/2011CN201904886U Portable loudspeaker modeling body
07/20/2011CN102132585A Speaker device
07/20/2011CN102131138A Centering disk for loudspeaker
07/20/2011CN101667490B Processing method of movable iron core for automobile horn
07/20/2011CN101180916B Audio transducer component
07/19/2011US7983432 Point excitation placement in an audio transducer
07/19/2011US7983431 Bone conduction device and tympanum thereof
07/14/2011WO2011083988A2 Multifunctional micro-speaker
07/14/2011WO2011083987A2 Multifunctional micro-speaker
07/14/2011WO2011083961A2 Multifunctional microspeaker
07/14/2011WO2011083960A2 Multifunctional microspeaker
07/14/2011WO2011083959A2 Multifunctional microspeaker
07/14/2011WO2011083914A2 Rectangular multifunctional microspeaker
07/14/2011WO2011031057A3 Vibrating earphone unit
07/14/2011US20110170736 Speaker with dual magnetic circuits
07/14/2011DE102010004312A1 Lautsprecher und System zur aktiven Geräuschunterdrückung Speaker and system for active noise cancellation
07/13/2011EP2343911A1 Speaker, speaker manufacturing method and speaker manufacturing jig
07/13/2011EP2343910A1 Speaker device
07/13/2011EP1472903B1 Transducer motor/generator assembly
07/13/2011CN201898609U Dual-corrugated-rim flat-panel loudspeaker
07/13/2011CN201898608U Super thin flat-panel loudspeaker
07/13/2011CN201898607U Loudspeaker diaphragm assembly with saw-toothed voice coil
07/13/2011CN201898606U Membrane and earplug type loudspeaker adopting same
07/13/2011CN201898605U Combination gaining connector for four microphone cartridges
07/13/2011CN201898604U Metal elastic wave structure of loudspeaker
07/13/2011CN201898598U 振动器 Vibrator
07/13/2011CN1878429B Earphone apparatus integrated microphone
07/13/2011CN1722913B Loudspeaker and mobile terminal equipment
07/13/2011CN1703933B Hearing aid, training device, game device, and audio output device
07/12/2011US7978872 Driver for a speaker
07/12/2011US7978869 Wireless microphone
07/07/2011WO2011080898A1 Speaker diaphragm, speaker dust cap, speaker frame, speaker using said parts, and electronic equipment and device using said speaker
07/07/2011US20110164782 Loudspeaker driver suspension
07/07/2011US20110164781 Magnetic circuit for speaker device and speaker device
07/07/2011US20110164764 Diaphragm for speaker, speaker using the diaphragm, electronic device using the speaker, and speaker-mounted device
07/06/2011CN201893923U Car loudspeaker and paper cone thereof
07/06/2011CN201893922U Electromagnetic loudspeaker
07/06/2011CN201893921U Electromagnetic loudspeaker
07/06/2011CN201893920U Electromagnetic loudspeaker
07/06/2011CN201893919U Electromagnetic loudspeaker
07/06/2011CN201893918U Electromagnetic loudspeaker
07/06/2011CN201893917U Minitype acoustical generator
07/06/2011CN201893916U Loudspeaker device
07/06/2011CN201893915U Ultrathin loudspeaker
07/06/2011CN201893914U Assembling structure of sounder reed
07/06/2011CN201893913U Composite voice diaphragm set
07/06/2011CN201893912U Magnetic circuit device with no pole pieces
07/06/2011CN102119536A Inertial vibration exciter
07/06/2011CN102118673A Loudspeaker
07/06/2011CN102118672A Speaker vibrating diaphragm and speaker
07/06/2011CN102118667A Unsealed earplug-type headset, and device and method for enhancing voice of receiving end
07/05/2011US7974430 Microphone with dust-proof section
07/05/2011US7974429 Wireless microphone
07/05/2011US7974423 Loudspeaker system
06/2011
06/30/2011WO2011077770A1 Composite speaker
06/30/2011WO2011077560A1 Speaker vibrator and speaker device
06/30/2011WO2011077356A1 Suspension member for a vibration actuator
06/30/2011DE102009060284A1 Loudspeaker arrangement for use in motor vehicle door, has circulating adhesive unit arranged between rear contour of loudspeaker basket and carrier element for fastening loudspeaker to carrier element and for sealing receiving opening
06/29/2011CN201887942U Waterproof microphone
06/29/2011CN201887941U Loudspeaker structure of mobile phone
06/29/2011CN201887940U Loudspeaker
06/29/2011CN201887939U Speaker
06/29/2011CN201887938U Magnet structure of thin type horn
06/29/2011CN201887937U Loudspeaker
06/29/2011CN201887936U Series-parallel connection mixed superimposed magnetic circuit structure
06/29/2011CN201883860U Shower door with loud-speaking function
06/29/2011CN102113347A Speaker device
06/29/2011CN102111701A Horn
06/28/2011US7970162 Loudspeaker bobbin interconnection assembly
06/28/2011US7970161 Acoustic transducer having reduced thickness
06/28/2011US7970160 Speaker apparatus
06/28/2011US7970158 Sound system
06/28/2011US7970149 Audio speaker with partially spherical speaker housing and escutcheon
06/23/2011WO2011073497A1 Drive unit mounting arrangement and loudspeaker
06/23/2011US20110150265 Speaker
06/23/2011US20110150261 Capacitive transducer and fabrication method
06/23/2011US20110150246 Capacitor microphone
06/22/2011EP2337037A2 Method of manufacturing a casted magnet
06/22/2011DE102010052096A1 Electrodynamic loudspeaker, has central device with bars having windings lying in plane parallel to base, where end of each bar is connected with voice coil immersed in central opening and another end of each bar is connected with cage
06/22/2011DE102009059130A1 Loudspeaker i.e. woofer, for use in vehicle, has loudspeaker cage comprising upper edge and base firmly connected with each other by casing surfaces, where openings are provided in casing surfaces in axial part of cage
06/22/2011DE102006031433B4 Exciter für Flächenmembranlautsprecher Exciter for surface membrane speaker
06/22/2011CN201878323U Internal-magnet full-range horn
06/22/2011CN201878322U Full-frequency ultrathin high-power flat-panel speaker
06/22/2011CN201878321U Improved loudspeaker structure
06/22/2011CN201878320U Improved loudspeaker structure
06/22/2011CN201878319U Movable ring type electro-acoustic converter
06/22/2011CN201878318U Thin speaker
06/22/2011CN1698399B Loudspeaker, manufacturing method thereof, and mobile telephone using the same
06/22/2011CN102106158A Nested compound loudspeaker drive unit
06/22/2011CN102104819A Inner magnet type full range loudspeaker
06/22/2011CN102104818A Speaker voice coil tool
06/22/2011CN101562672B Detachable passive electromagnetic coupling talkback communication device capable of penetrating metal silo wall
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