Patents for H04R 7 - Diaphragms for electromechanical transducers; Cones (6,555)
01/2007
01/10/2007CN1893734A Loudspeaker play-wave
01/04/2007WO2007000678A2 Diaphragm for an electroacoustic transducer, and electroacoustic transducer
01/03/2007EP1740014A1 Device comprising an adaptive bending actuator for emitting a signal tone
01/03/2007EP1738610A1 Oscillating body pertaining to a loudspeaker system
01/03/2007EP1737705A1 Audio devices for vehicles
01/03/2007CN2854990Y Body of up moved centring disk
01/03/2007CN2854989Y Loudspeaker type sound acoustic lens isogenesis sound cone radiator
01/03/2007CN1891009A Plane speaker having coil plate guide device
01/02/2007US7158651 Electromagnetic driver for a planar diaphragm loudspeaker
01/02/2007US7158650 Electroacoustic transducer
01/02/2007US7158648 Loudspeaker system with extended bass response
01/02/2007US7158647 Acoustic device
01/02/2007CA2400373C Equalizable electro-acoustic device used in commercial panels and method for converting said panels
12/2006
12/28/2006WO2005117490A3 Method and audio speaker with minimization of wobble of the voice coil
12/27/2006EP1736030A2 Acoustic device & method of making acoustic device
12/27/2006EP1576851B1 Acoustic actuator
12/27/2006CN1887027A Waterproof vibrating plate for speaker
12/27/2006CN1887026A Diaphragm for speaker
12/26/2006US7155026 Mounting bracket system
12/26/2006US7155021 Loudspeaker having an acoustic panel and an electrical driver
12/26/2006US7152299 Method of assembling a loudspeaker
12/20/2006EP1734786A2 Sound panel and method for manufacturing the same
12/20/2006EP1733593A1 Transducer assembly and loudspeaker including rheological material
12/19/2006US7151837 Loudspeaker
12/14/2006WO2006093876A3 Electromagnetic lever diaphragm audio transducer
12/13/2006EP1732355A1 Foldable speaker
12/13/2006EP1731643A1 Woven or knitted fabric, diaphragm for speaker, and speaker
12/13/2006CN1879448A Valve and dispensing device comprising one such valve
12/13/2006CN1879447A Tweeter
12/13/2006CN1878430A Speaker member and method for manufacturing the same
12/12/2006US7149321 Electro-dynamic loudspeaker mounting system
12/12/2006US7149318 Resonant element transducer
12/07/2006DE202006013241U1 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
12/06/2006EP1729539A1 Speaker
12/06/2006CN1874616A Capacitance type sound sensor in micro mechanical and electrical structure
12/05/2006US7146021 Whizzer cone for loudspeaker for producing uniform frequency response
12/05/2006US7146017 Electrical connectors for electro-dynamic loudspeakers
11/2006
11/30/2006WO2006126149A1 Improved membrane for an electroacoustic transducer
11/30/2006WO2006125967A1 Acoustic device
11/30/2006US20060266578 Speaker diaphragm and method for manufacturing the same
11/30/2006US20060266577 Speaker diaphragm and speaker structure
11/29/2006CN2842951Y Flat-board loud speaker
11/29/2006CN2842943Y High-fidelity electroacoustic device
11/28/2006US7142688 Single-ended planar-magnetic speaker
11/28/2006US7142687 Electroacoustic converter
11/28/2006US7142686 Compound sound generator
11/23/2006DE102006021849A1 Loudspeaker e.g. for advertising applications, has piezoelectric or electrostatic bending transducer coupled to diaphragm to transmit vibrations
11/22/2006EP1723826A1 Loudspeakers
11/22/2006CN1867205A Speaker diaphragm and method for manufacturing the same
11/16/2006US20060256996 Loudspeaker having a composite diaphragm structure
11/16/2006US20060256985 System for the projection of cinematographic works and digital works with sound
11/16/2006US20060254852 Integral audio module
11/16/2006DE10303247B4 Kegelförmige Membrane und Lautsprecher Cone-shaped diaphragm and speakers
11/16/2006DE102005051591A1 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
11/15/2006EP1721487A1 Method of manufacturing film-speaker using piezoelectric film and sound equipment with the same
11/15/2006CN1864435A Loudspeaker
11/14/2006US7136501 Acoustically enhanced electro-dynamic loudspeakers
11/09/2006WO2006117716A1 Loudspeaker having a movable diaphragm
11/09/2006WO2006117044A1 Image projection device with sound reproduction device
11/09/2006US20060249327 Vibration system part for speaker device and manufacturing method thereof
11/09/2006DE102005020746A1 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
11/08/2006EP1719385A1 Method of and device for modifying the properties of a membrane for an electroacoustic transducer
11/08/2006EP1719383A2 Display device having sound-generating means
11/02/2006WO2006114985A1 Card type device and method for manufacturing same
11/02/2006WO2006114980A1 Diaphragm for speaker, method for producing same, speaker using such diaphragm and apparatus using such speaker
11/02/2006WO2006114979A1 Method for producing diaphragm for speaker
11/02/2006US20060245615 Loudspeaker
11/02/2006EP1718106A1 Speaker, speaker-use diaphragm, dust cap, production methods and production devices for them
11/02/2006DE102005019137A1 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
11/01/2006CN2834070Y Vibrating bowl structure of loudspeaker
11/01/2006CN1856185A Loudspeaker with low frequency oscillation
11/01/2006CN1283129C Microacoustic device based on clamped diaphragm structure and mfg. method thereof
10/2006
10/26/2006WO2006112463A1 Speaker-like acoustic vibration member
10/26/2006US20060239479 Transmission of acoustic vibrations to a surface over the display of a mobile device
10/26/2006US20060239478 Speaker, speaker module, and electronic equipment using the speaker module
10/26/2006US20060237258 Frame for speaker device and speaker device
10/26/2006US20060237257 Frame for speaker device and speaker device
10/26/2006DE102004007022A1 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
10/25/2006EP1715720A1 Vibration system part for speaker device and manufacturing method thereof
10/19/2006US20060233397 Loudspeaker driver assemblies
10/19/2006US20060230598 Method for fixing a diaphragm in an electroacoustic transducer
10/19/2006DE202006008315U1 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
10/18/2006EP1713300A1 Vibrating plate for electricity-sound transformer and method for producing the same, and electricity-sound transformer and equipment using the same
10/18/2006CN1849013A Acoustic vibratory plate
10/18/2006CN1281097C Electroacoustic transducer
10/17/2006US7123738 Loudspeaker
10/12/2006US20060227983 Acoustic device
10/12/2006US20060227981 Liquid crystal display device having sound output function and the like and electronic device using the same
10/11/2006EP1711032A2 Acoustic vibratory plate
10/11/2006EP1711031A1 Diaphragm for loudspeaker and loudspeaker
10/11/2006EP1709834A1 Loudspeaker
10/11/2006CN2826880Y Loudspeaker with inter-backward-wave supporting suspension ring on same circumjacent line
10/11/2006CN2826879Y Elastic wave structure capable of preventing abnormal vibration
10/10/2006US7120263 Bending wave acoustic radiator
10/10/2006US7118649 Device and method for manufacturing speaker diaphragm, the diaphragm, and speaker
10/05/2006WO2006105268A2 Acoustic assembly for a transducer
10/05/2006US20060222201 Multi-layered membranes consisting of a plurality of materials, for the loudspeaker of a high fidelity loudspeaker cabinet
10/05/2006DE102005047300A1 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
10/04/2006EP1708542A1 Diaphragm and loudspeaker using same
10/04/2006CN2823284Y Elasticity wave cloth yarn weaving structure
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