Patents for H04R 7 - Diaphragms for electromechanical transducers; Cones (6,555) |
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01/10/2007 | CN1893734A Loudspeaker play-wave |
01/04/2007 | WO2007000678A2 Diaphragm for an electroacoustic transducer, and electroacoustic transducer |
01/03/2007 | EP1740014A1 Device comprising an adaptive bending actuator for emitting a signal tone |
01/03/2007 | EP1738610A1 Oscillating body pertaining to a loudspeaker system |
01/03/2007 | EP1737705A1 Audio devices for vehicles |
01/03/2007 | CN2854990Y Body of up moved centring disk |
01/03/2007 | CN2854989Y Loudspeaker type sound acoustic lens isogenesis sound cone radiator |
01/03/2007 | CN1891009A Plane speaker having coil plate guide device |
01/02/2007 | US7158651 Electromagnetic driver for a planar diaphragm loudspeaker |
01/02/2007 | US7158650 Electroacoustic transducer |
01/02/2007 | US7158648 Loudspeaker system with extended bass response |
01/02/2007 | US7158647 Acoustic device |
01/02/2007 | CA2400373C Equalizable electro-acoustic device used in commercial panels and method for converting said panels |
12/28/2006 | WO2005117490A3 Method and audio speaker with minimization of wobble of the voice coil |
12/27/2006 | EP1736030A2 Acoustic device & method of making acoustic device |
12/27/2006 | EP1576851B1 Acoustic actuator |
12/27/2006 | CN1887027A Waterproof vibrating plate for speaker |
12/27/2006 | CN1887026A Diaphragm for speaker |
12/26/2006 | US7155026 Mounting bracket system |
12/26/2006 | US7155021 Loudspeaker having an acoustic panel and an electrical driver |
12/26/2006 | US7152299 Method of assembling a loudspeaker |
12/20/2006 | EP1734786A2 Sound panel and method for manufacturing the same |
12/20/2006 | EP1733593A1 Transducer assembly and loudspeaker including rheological material |
12/19/2006 | US7151837 Loudspeaker |
12/14/2006 | WO2006093876A3 Electromagnetic lever diaphragm audio transducer |
12/13/2006 | EP1732355A1 Foldable speaker |
12/13/2006 | EP1731643A1 Woven or knitted fabric, diaphragm for speaker, and speaker |
12/13/2006 | CN1879448A Valve and dispensing device comprising one such valve |
12/13/2006 | CN1879447A Tweeter |
12/13/2006 | CN1878430A Speaker member and method for manufacturing the same |
12/12/2006 | US7149321 Electro-dynamic loudspeaker mounting system |
12/12/2006 | US7149318 Resonant element transducer |
12/07/2006 | DE202006013241U1 Sound-converter device for fixed but detachable attachment to a structure has a double-sided adhesive foil as a means of connection and a triggering unit to stimulate oscillation |
12/06/2006 | EP1729539A1 Speaker |
12/06/2006 | CN1874616A Capacitance type sound sensor in micro mechanical and electrical structure |
12/05/2006 | US7146021 Whizzer cone for loudspeaker for producing uniform frequency response |
12/05/2006 | US7146017 Electrical connectors for electro-dynamic loudspeakers |
11/30/2006 | WO2006126149A1 Improved membrane for an electroacoustic transducer |
11/30/2006 | WO2006125967A1 Acoustic device |
11/30/2006 | US20060266578 Speaker diaphragm and method for manufacturing the same |
11/30/2006 | US20060266577 Speaker diaphragm and speaker structure |
11/29/2006 | CN2842951Y Flat-board loud speaker |
11/29/2006 | CN2842943Y High-fidelity electroacoustic device |
11/28/2006 | US7142688 Single-ended planar-magnetic speaker |
11/28/2006 | US7142687 Electroacoustic converter |
11/28/2006 | US7142686 Compound sound generator |
11/23/2006 | DE102006021849A1 Loudspeaker e.g. for advertising applications, has piezoelectric or electrostatic bending transducer coupled to diaphragm to transmit vibrations |
11/22/2006 | EP1723826A1 Loudspeakers |
11/22/2006 | CN1867205A Speaker diaphragm and method for manufacturing the same |
11/16/2006 | US20060256996 Loudspeaker having a composite diaphragm structure |
11/16/2006 | US20060256985 System for the projection of cinematographic works and digital works with sound |
11/16/2006 | US20060254852 Integral audio module |
11/16/2006 | DE10303247B4 Kegelförmige Membrane und Lautsprecher Cone-shaped diaphragm and speakers |
11/16/2006 | DE102005051591A1 Loudspeaker apparatus for e.g. mobile phone, has front cover including elastic spacers and diaphragm to form closed enhanced chamber, where acoustic wave generated by speaker unit drives diaphragm through enhanced chamber |
11/15/2006 | EP1721487A1 Method of manufacturing film-speaker using piezoelectric film and sound equipment with the same |
11/15/2006 | CN1864435A Loudspeaker |
11/14/2006 | US7136501 Acoustically enhanced electro-dynamic loudspeakers |
11/09/2006 | WO2006117716A1 Loudspeaker having a movable diaphragm |
11/09/2006 | WO2006117044A1 Image projection device with sound reproduction device |
11/09/2006 | US20060249327 Vibration system part for speaker device and manufacturing method thereof |
11/09/2006 | DE102005020746A1 Magnet system for loudspeaker, for e.g. hi-fi systems, has diaphragm that is arranged in air gap formed by bar magnets and pole plates |
11/08/2006 | EP1719385A1 Method of and device for modifying the properties of a membrane for an electroacoustic transducer |
11/08/2006 | EP1719383A2 Display device having sound-generating means |
11/02/2006 | WO2006114985A1 Card type device and method for manufacturing same |
11/02/2006 | WO2006114980A1 Diaphragm for speaker, method for producing same, speaker using such diaphragm and apparatus using such speaker |
11/02/2006 | WO2006114979A1 Method for producing diaphragm for speaker |
11/02/2006 | US20060245615 Loudspeaker |
11/02/2006 | EP1718106A1 Speaker, speaker-use diaphragm, dust cap, production methods and production devices for them |
11/02/2006 | DE102005019137A1 Loudspeaker is made up of core located in receiver and having electro-dynamic converter with coil unit and membrane body that has centring-ring with first and second contacts |
11/01/2006 | CN2834070Y Vibrating bowl structure of loudspeaker |
11/01/2006 | CN1856185A Loudspeaker with low frequency oscillation |
11/01/2006 | CN1283129C Microacoustic device based on clamped diaphragm structure and mfg. method thereof |
10/26/2006 | WO2006112463A1 Speaker-like acoustic vibration member |
10/26/2006 | US20060239479 Transmission of acoustic vibrations to a surface over the display of a mobile device |
10/26/2006 | US20060239478 Speaker, speaker module, and electronic equipment using the speaker module |
10/26/2006 | US20060237258 Frame for speaker device and speaker device |
10/26/2006 | US20060237257 Frame for speaker device and speaker device |
10/26/2006 | DE102004007022A1 Loudspeaker-housing, has air chamber with double-wall structure, where chamber is filled with pressurized air and takes box form by internal pressure of pressurized air and housing is made from inflatable material |
10/25/2006 | EP1715720A1 Vibration system part for speaker device and manufacturing method thereof |
10/19/2006 | US20060233397 Loudspeaker driver assemblies |
10/19/2006 | US20060230598 Method for fixing a diaphragm in an electroacoustic transducer |
10/19/2006 | DE202006008315U1 Loudspeaker chassis diaphragm for all kinds of loudspeakers has through holes, which are formed oblong, oval or hole-type whereby diameters and quantity of through holes do not impair rigid structure of diaphragm |
10/18/2006 | EP1713300A1 Vibrating plate for electricity-sound transformer and method for producing the same, and electricity-sound transformer and equipment using the same |
10/18/2006 | CN1849013A Acoustic vibratory plate |
10/18/2006 | CN1281097C Electroacoustic transducer |
10/17/2006 | US7123738 Loudspeaker |
10/12/2006 | US20060227983 Acoustic device |
10/12/2006 | US20060227981 Liquid crystal display device having sound output function and the like and electronic device using the same |
10/11/2006 | EP1711032A2 Acoustic vibratory plate |
10/11/2006 | EP1711031A1 Diaphragm for loudspeaker and loudspeaker |
10/11/2006 | EP1709834A1 Loudspeaker |
10/11/2006 | CN2826880Y Loudspeaker with inter-backward-wave supporting suspension ring on same circumjacent line |
10/11/2006 | CN2826879Y Elastic wave structure capable of preventing abnormal vibration |
10/10/2006 | US7120263 Bending wave acoustic radiator |
10/10/2006 | US7118649 Device and method for manufacturing speaker diaphragm, the diaphragm, and speaker |
10/05/2006 | WO2006105268A2 Acoustic assembly for a transducer |
10/05/2006 | US20060222201 Multi-layered membranes consisting of a plurality of materials, for the loudspeaker of a high fidelity loudspeaker cabinet |
10/05/2006 | DE102005047300A1 Mindestens einen Antrieb, insbesondere mit Flachmembran-Lautsprechermembran, und mindestens ein plattenartiges Element aufweisende Vorrichtung zum Einbau in Wänden und Decken und zur Beschallung von Räumen At least one drive, especially with flat diaphragm loudspeaker diaphragm, and at least one plate-like member having means for mounting in walls and ceilings and sound in rooms |
10/04/2006 | EP1708542A1 Diaphragm and loudspeaker using same |
10/04/2006 | CN2823284Y Elasticity wave cloth yarn weaving structure |