Patents
Sitemap › H04 - Electric communication technique › H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; Deaf-aid sets; Public address systems › H04R 9 - Transducers of moving-coil, moving-strip, or moving-wire type
Patents for H04R 9 - Transducers of moving-coil, moving-strip, or moving-wire type (11,486)
01/2013
01/02/2013CN202652514U Moving-coil type loudspeaker
01/02/2013CN202652513U Multifunctional vibrator
01/02/2013CN202652512U Loudspeaker device provided with backup power supply
01/02/2013CN202652511U Loudspeaker diaphragm and loudspeaker
01/02/2013CN202652326U Novel handset horn
01/02/2013CN102860044A Voice coil speaker
01/02/2013CN102857849A Miniature speaker and portable electronic device
01/02/2013CN102158170B Drive mechanism
01/02/2013CN101674515B Miniature moving ring type electroacoustic transducer and assembling method thereof
01/02/2013CN101662715B Multipurpose bidirectional horn loudspeaker
01/02/2013CN101562767B Speaker, voice coil unit, and method of manufacturing the voice coil unit
01/02/2013CN101427590B Acoustic exciter and speaker using the same
01/01/2013US8345911 Compact sound-filtering monitor and microphone stand
01/01/2013US8345910 Microphone devices and methods for tuning microphone devices
01/01/2013US8345883 Audio playback method and apparatus using line array speaker unit
12/2012
12/27/2012WO2012176420A1 Speaker
12/27/2012WO2012175824A2 Passive polyphonic double-coil microphone for a string musical instrument
12/27/2012WO2012174812A1 Portable resonance speaker
12/27/2012US20120328147 Speaker
12/27/2012US20120328141 Porting
12/26/2012CN202634692U Ultrathin sound box
12/26/2012CN202634691U Installation structure of frequency divider and soldering lugs in coaxial loudspeaker
12/26/2012CN202634690U Electric loudspeaker
12/26/2012CN202634689U Open type loudspeaker device
12/26/2012CN1437427B New-type loudspeaker system
12/26/2012CN102843636A Loudspeaker
12/26/2012CN102843635A Disc spring resonance sound generator
12/26/2012CN101385388B Damper for speaker and speaker using the damper
12/25/2012US8340329 Piezoelectric speaker
12/20/2012WO2012173669A2 Audio devices having electroactive polymer actuators
12/20/2012WO2012171846A1 An electromechanical-electroacoustic transducer with low thickness and high travel range and relevant manufacturing method
12/20/2012WO2012073262A3 "a device for sound reproduction with coaxial acoustic actuators"
12/20/2012US20120321123 Compact coaxial crossover-free loudspeaker
12/20/2012CA2839339A1 Audio devices having electroactive polymer actuators
12/20/2012CA2838456A1 An electromechanical-electroacoustic transducer with low thickness and high travel range and relevant manufacturing method
12/19/2012EP2534852A1 Electrodynamic transducer structure and its manufacturing process
12/19/2012EP2534851A1 Electrodynamic-transducer magnetic motor
12/19/2012EP2534848A1 Open-baffle loudspeaker
12/19/2012CN202617343U Electrodynamic loudspeaker
12/19/2012CN202617342U Passive radiator embedded with battery
12/19/2012CN202617341U Flat sounder
12/19/2012CN202617340U 发声器 Sounders
12/19/2012CN202617339U Sounding device
12/19/2012CN202617338U Sounding device
12/19/2012CN202617337U Sounding device
12/19/2012CN102835131A Customized audio/antenna module and method for making the same
12/19/2012CN102833655A Speaker and production method thereof
12/19/2012CN102833654A Loudspeaker device
12/19/2012CN102833653A Speaker apparatus
12/19/2012CN102833652A Novel loudspeaker
12/19/2012CN102833651A Sectionally coated spring plate and electric acoustic device using same
12/19/2012CN101902676B Dual-sound basin thin speaker
12/18/2012US8335337 Loudspeaker with replaceable motor assembly
12/18/2012US8335336 Vibration device and acoustic system
12/18/2012CA2585643C Audio amplifier
12/13/2012WO2012169792A2 Flat-type speaker having plurality of magnetic circuits which are horizontally connected
12/12/2012CN202602884U Thin microphone
12/12/2012CN202602883U Three-in-one vibration loudspeaker with two vibrators
12/12/2012CN202602882U Multi-signal input three-in-one loudspeaker with S-shaped elastic piece
12/12/2012CN202602881U Low-distortion loudspeaker
12/12/2012CN202602880U Ultrathin woofer and sound box thereof
12/12/2012CN102823274A Micro-speaker oscillation plate edge material, micro-speaker oscillation plate, micro-speaker, and electronic apparatus
12/12/2012CN102821345A Film speaker and production method thereof
12/12/2012CN102821344A Speaker system coupled by low and high sounds of piezoelectric materials and sound vibration device
12/12/2012CN102821343A Vibration unit of loudspeaker
12/12/2012CN102821342A Loudspeaker
12/11/2012US8331607 Speaker
12/11/2012US8331604 Electro-acoustic conversion apparatus
12/11/2012US8331601 Arrangement for mounting a microphone to an interior surface of a vehicle
12/11/2012US8331600 Narrow directional microphone
12/11/2012US8331579 Reproducing apparatus and headphone apparatus
12/06/2012WO2012164866A1 Speaker
12/06/2012WO2012163003A1 Dynamic electroacoustic transducer
12/06/2012DE102012000499A1 Sound transducer e.g. air motion transformer for public address system used in e.g. building, has fan that is provided for producing cool air for cooling membrane portion which is arranged in air gap between pole plates
12/05/2012CN202587361U Receiver and support used for the same
12/05/2012CN202587360U High-power ultra-thin loudspeaker
12/05/2012CN202587359U Horn loudspeaker
12/05/2012CN202587358U Thin type speaker with inverted positioning support chip
12/05/2012CN202587357U Magnet-free loudspeaker structure
12/05/2012CN202587356U A piezoelectric fiber loudspeaker
12/05/2012CN202587355U Wire spot-welding tool of sound film of loudspeaker
12/05/2012CN202587354U Mini resonance speaker
12/05/2012CN1954639B Dual diaphragm electroacoustic transducer
12/05/2012CN1838834B Improved eletroacoustic transducer mounting in shells of personal communication devices
12/05/2012CN102811410A Electroacoustic transducer
12/05/2012CN102811409A Hidden-type loudspeaker system
12/05/2012CN102811408A Vehicle loudspeaker
12/05/2012CN102811407A Loudspeaker
12/05/2012CN101370324B Large dynamic even force driving bar-shaped plate loudspeaker
12/05/2012CN101227766B Moving-coil type electro-acoustic conversing device
12/04/2012US8325954 Processing an input signal in a hearing aid
11/2012
11/28/2012EP2526705A1 Electrodynamic speaker structure having mems technology
11/28/2012CN202565459U Coaxial loudspeaker
11/28/2012CN202565458U Electroacoustic unit occupying less space
11/28/2012CN202565457U Loudspeaker mounting structure
11/28/2012CN102802104A Moving-coil loudspeaker with area-alterable capacitive vibration sensor
11/28/2012CN102802103A Speaker apparatus
11/28/2012CN101895806B Cartoon multimedia sound box
11/28/2012CN101742385B Thin type electrodynamic loudspeaker
11/28/2012CN101401448B Sound generating apparatus
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