Patents for H04R 7 - Diaphragms for electromechanical transducers; Cones (6,555)
05/2011
05/04/2011CN101041154B Electromagnetic vibrator and its preparing method
04/2011
04/28/2011WO2011049189A1 Speaker diaphragm and speaker device
04/28/2011WO2011048957A1 Sound generating device for warning of approach of vehicle
04/28/2011US20110096952 Diaphragm, method making the same and loudspeaker using the same
04/27/2011CN201813519U Compression ring
04/27/2011CN102036154A Electrostatic loudspeaker
04/27/2011CN102036146A Vibrating diaphragm and speaker using same
04/26/2011US7931115 Diaphragm surrounding
04/20/2011CN201805541U Volume adjustment device based on magneto-rheological technology
04/20/2011CN1833464B Loudspeaker with undulated membrane
04/20/2011CN1578537B Piezoelectric vibrator
04/20/2011CN1575028B Exciting device
04/20/2011CN102027758A Diaphragm edge material for microspeaker, microspeaker using the diaphragm edge material for microspeaker, and electronic equipment using the microspeaker
04/20/2011CN102026064A Vibrating device for electroacoustic converter
04/20/2011CN102026060A Vibrating diaphragm and preparation method thereof
04/14/2011DE102009048990A1 Flächenlautsprechervorrichtung Panel loudspeaker device
04/13/2011EP2309775A2 Planar loudspeaker device
04/13/2011EP2308242A1 Membrane for an acoustic transducer
04/13/2011CN1780496B Sounding membrane board of loundspeaker and its manufacture method
04/13/2011CN1685760B Drive mechanism
04/13/2011CN102014322A High-fidelity static sound box adopting single-layer vibrating diaphragm
04/12/2011US7925041 Method of making a linkage assembly for a transducer and the like
04/12/2011US7921540 System of component s usable in the manufacture of an acoustic transducer
04/07/2011WO2011007441A9 Vibration-applying sound source, and speaker device using same
04/07/2011DE202007016080U1 Dynamischer Lautsprecher Dynamic speaker
04/06/2011EP2306753A1 Speaker device
04/06/2011CN201789628U Complementary metal-oxide-semiconductor microelectromechanical systems (CMOS-MEMS) capacitive microphone chip
04/06/2011CN201789615U Vibrating diaphragm of micro-movable coil electroacoustic transducer
04/06/2011CN1934302B Woven or knitted fabric, diaphragm for speaker, and speaker
04/06/2011CN102006541A Transparent horn and display module integrating transparent horn
03/2011
03/30/2011EP2302948A1 Edge for speaker
03/30/2011EP2301260A2 Electrostatic loudspeaker system
03/30/2011EP2301259A1 Inertial vibration exciter
03/30/2011CN201781610U Speaker vibration diaphragm device
03/30/2011CN101998208A Magnetic diaphragm
03/29/2011US7916890 Ultra low frequency transducer and loud speaker comprising same
03/29/2011US7916880 Transducer
03/29/2011US7916878 Acoustic device and method of making acoustic device
03/23/2011EP2299732A2 Speaker
03/23/2011EP2297975A1 Improved acoustic device
03/23/2011CN201774665U Folding type horn diaphragm
03/23/2011CN101990149A Sound basin of dual edge flat-plate loudspeaker
03/23/2011CN101990148A Vibration membrane and loudspeaker applying same
03/23/2011CN101990147A Vibrating diaphragm and loudspeaker adopting same
03/17/2011WO2011029872A1 Arrangement for displacing a displaceable element, acoustic transducer, and displaceable element for an acoustic transducer
03/17/2011DE202011001187U1 Lautsprechervorrichtung, mit ultradünner Form Speaker device, with ultra-thin form
03/17/2011DE202010015941U1 Stabilisierung von Lautsprechermembranen durch Auftrag von Hartschichten unter Verwendung des thermischen Spritzens, insbesondere des Atmosphärischen Plasmaspritzens (APS) Stabilization of loudspeaker membranes by application of hard coatings using thermal spraying, in particular atmospheric plasma spraying (APS)
03/16/2011EP2149279B1 Loudspeaker with a stiffening element
03/16/2011CN1663322B Electro-dynamic planar loudspeakers
03/10/2011DE102009040982A1 Akustischer Wandler und Verfahren zum Erzeugen und/oder Empfangen von Schallwellen, bewegbares Element für einen akustischen Wandler sowie Anordnung zum Bewegen eines bewegbaren Elementes eines akustischen Wandlers Acoustic transducer and method for generating and / or receiving sound waves, movable member for an acoustic transducer and means for moving a movable element of an acoustic transducer
03/09/2011EP1711031B1 Diaphragm for loudspeaker and loudspeaker
03/09/2011CN201758445U Metal loudspeaker vibration diaphragm coated with ceramic layer
03/03/2011WO2011025193A2 Slimline speaker
03/03/2011WO2011024713A1 Mount structure of touch panel with vibrating function
03/03/2011WO2011024398A1 Electroacoustic transducer
03/03/2011WO2011022892A1 Vehicle-mounted stereophonic apparatus
03/03/2011WO2010089398A3 Acoustic absorber, acoustic transducer, and method for producing an acoustic absorber or an acoustic transducer
03/03/2011DE202010006188U1 Lautsprecher mit Aktuator und Dichtmembran Speaker with actuator and sealing membrane
03/03/2011DE102009048866A1 Device for vibration stimulation of diaphragms or diaphragm-type materials showing frequencies in audio range of humans, has electrical change signal partly converted in mechanical motion, where converter possess hole or opening
03/02/2011EP2291004A1 Loudspeaker
03/02/2011CN101982985A Electric loudspeaker and constructing method thereof
03/01/2011US7899204 Speaker
03/01/2011US7895727 Method for manufacturing an electroacoustical transducer comprising a membrane configuration
02/2011
02/24/2011US20110042846 Diaphragms made of cast polyarylate films
02/23/2011EP2288184A1 Acoustic energy generation
02/23/2011CN201752134U Elasticity wave combining a plane flake structure with a wave slice structure
02/23/2011CN101981947A Speaker diaphragm, speaker, electronic device and mobile device using the speaker
02/23/2011CN101981946A Diaphragm for speaker, speaker, and method for producing diaphragm for speaker
02/17/2011DE102009036337A1 Device for embedding e.g. cardboard of transversal wave loudspeaker into material or substance, has conveyor belt moved from left to right to transport material, where membrane is partially surrounded by material
02/16/2011EP1731643B1 Woven or knitted fabric, diaphragm for speaker, and speaker
02/16/2011CN201750538U Vibrating diaphragm
02/16/2011CN101977341A Electro-dynamic loudspeaker, assembling method thereof, and method for forming conductor or electrical contact
02/16/2011CN101977340A Electro-dynamic planar loudspeaker
02/16/2011CN101977339A Fixing method of magnet frame and basin bracket
02/15/2011US7889876 Loudspeaker driver assemblies
02/10/2011WO2011016291A1 Vibrating device and portable information terminal
02/10/2011US20110031061 Electroacoustic Transducer
02/10/2011DE202010015851U1 Lautsprecher mit einem Exciter Speakers with Exciter
02/09/2011CN201742550U Capacitance minitype silicon microphone
02/09/2011CN201742544U Sound membrane
02/09/2011CN201742543U Diaphragm structure and electromagnetic loudspeaker thereby
02/09/2011CN201742542U Sounder diaphragm
02/09/2011CN1765151B Loudspeaker
02/09/2011CN1638530B Speaker apparatus
02/09/2011CN101971644A Nested compound loudspeaker drive unit
02/09/2011CN101969594A Acoustic passive radiator with rocking-mode reduction
02/09/2011CN101969593A Diaphragm
02/03/2011WO2011013790A1 Diaphragm, spherical shell diaphragm, and electroacoustic transducer
02/03/2011WO2010124099A3 Microphone having diaphragm ring with increased stability
02/03/2011US20110026759 Ring shaped membrane for an electro-acoustical loudspeaker
02/03/2011US20110026758 Diaphragm and loudspeaker using the same
02/03/2011US20110026757 Acoustic converter diaphragm, and acoustic converter
02/02/2011CN201733432U Silicon-based microphone and vibrating membrane thereof
02/02/2011CN1812665B Method of mounting the flat panel speaker, vibrating plate with gasket and flat panel speaker
02/01/2011US7881484 Capacitor microphone
02/01/2011US7878297 Acoustic transducer made of pure beryllium with directed radiation, with a concave-shaped diaphragm, for audio applications, in particular for acoustic enclosures
02/01/2011US7877856 Method of manufacturing a speaker
01/2011
01/27/2011WO2011011438A2 System and method for automatic selection of audio configuration settings
01/27/2011WO2011010754A1 Voice film having coils attached in pattern type, method for manufacturing the same, and flat type speaker including same
01/27/2011WO2011010743A1 Speaker device and method for forming speaker device
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