Matches 1 - 29 out of 29


Match Document Document Title
US20120002838 FLAT SUBWOOFER  
Flat subwoofer (1) comprising a driver (10) in which a coil (2) is arranged in an air gap (3) in said driver, which coil is connected to a membrane (4,5), where said driver (10) is arranged on a...
US20110033079 FLAT LOUDSPEAKER STRUCTURE  
A flat loudspeaker structure is provided. A conductive electrode of a vibrating membrane of a flat speaker unit is disposed on both utmost sides of the flat speaker unit, so as to improve...
US20140334657 PORTABLE LOUDSPEAKERS AND CONVERTIBLE PERSONAL AUDIO HEADPHONE/LOUDSPEAKERS  
The invention provides, in some aspects, an audio headphone suitable for conversion to a loudspeaker. The device includes one or more earcups, each having a concavity that includes first and...
US20080247582 Loudspeaker and Systems  
The invention provides, in one aspect, a loudspeaker that has electrodynamically-driven piston mounted in one external wall and that has movable panels in one or more other external walls. Those...
US20140355813 Speaker with Diaphragm Arrangement  
A diaphragm arrangement includes a middle foaming layer defining a first flat surface and an opposed flat surface, a first layer overlapped on the first flat surface of the middle foaming layer,...
US20150264486 PLANAR DIAPHRAGM AND SPEAKER EMPLOYING THE SAME  
A planar diaphragm and a speaker employing the same are disclosed. The planar diaphragm includes a diaphragm body on which a voice coil is arranged. The voice coil is a graphene pattern arranged...
US20080089549 LOUDSPEAKER DIAPHRAGM AND METHOD FOR MANUFACTURING A LOUDSPEAKER DIAPHRAGM  
A loudspeaker diaphragm includes a tapering edge region. Thus, it is possible to prevent or considerably reduce wave reflection and uncontrolled wave propagation caused thereby in a cheap and...
US20060153406 Bending wave loudspeaker  
A loudspeaker comprising an acoustic panel (1) having two substantially parallel main surfaces (5A, 5B) and comprising an electrical exciter (3) arranged on one of said main surfaces. The panel...
US20120106761 DRIVING INTERFACE DEVICE ADAPTIVE TO A FLAT SPEAKER  
A driving interface device adaptive to a flat speaker is introduced herein. The driving interface device is coupled with an external sound source for receiving sound signals, and boosts voltage...
US20090052726 DIAPHRAGM AND LOUDSPEAKER UNIT USING THE SAME  
[PROBLEM] There is provided a diaphragm, and a loudspeaker unit using the same, capable of providing better low-tone characteristics than conventional ones. [SOLUTION] A loudspeaker unit of the...
US20050013452 Loudspeaker based on the " center of percussion" or the " sweet spot" point, with gas filled hollow oscillating member and fluid flooded voice coil  
A loudspeaker, having a not necessarily rectangular, planar or constant thickness oscillating member, made of relatively thick, low density, stiff, acoustic insulating material, in an elongated...
US20050180587 Equalizable active electroacoustic device for panels, and method of converting the panels and assembling the devices  
Electro-acoustic device, which installed in flat-top panels, partitions or facings existing in the market, be they of mineral fibre, plasterboard, plywood, etc., transforms them into planar and...
US20050013453 Flat panel loudspeaker system for mobile platform  
A high fidelity sound system for a mobile platform is provided. The system includes a plurality of panels forming interior surfaces of a passenger cabin of the mobile platform. The system...
US20070242851 Loudspeaker  
The invention relates to a loudspeaker, particularly a so-called planar loudspeaker, the vibrating diaphragm of which is essentially planar and is attached by its edges to the body (3) of the...
US20070177746 Panel type speaker  
A panel type speaker according to the present invention includes an exciter having bimorph type beams which are made of a piezoelectric material and in each of which a flexural oscillation is...
US20110002501 Flat Panel Loudspeaker System  
A flat panel speaker system is provided. The system includes, a modified panel having a front surface and a rear surface, wherein the modified panel acts as a diaphragm for the flat panel speaker...
US20070092092 Audio output apparatus and method  
An audio output apparatus for converting an input audio signal into audio and outputting the audio includes a first oscillation enhancing panel for outputting the audio as a result of being...
US20070036388 Flat panel audio output apparatus and video/audio output apparatus  
A flat panel audio output apparatus including a plurality of flat panels; and one or more vibrators respectively provided to each of the flat panels to vibrate the flat panels to make a sound;...
US20060120542 Flat panel output apparatus and method  
The present invention relates to a flat panel audio output apparatus including a flat panel with a plurality of channel areas divided according to audio channels, with a division area separating...
US20050084131 Loudspeakers  
A method of making an acoustic member for a loudspeaker having an operative frequency range and acoustic output which depends on the values of parameters of geometry, bending stiffness, areal mass...
US20060140424 Piezoelectric panel speaker  
A piezoelectric panel speaker improved in frequency characteristics has a panel and a piezoelectric exciter for vibrating the panel. The exciter includes a casing and a piezoelectric exciter...
US20050013459 Door speaker apparatus and door panel  
In the vehicle speaker apparatus SP, a vehicle inner panel 12 having a speaker unit 2 attached thereto is arranged in a door panel 3 having an outer panel 11 and an inner trim 13. The attaching...
US20060018504 Multi-layer composite material panel  
The invented multi-layer composite material panel comprises a panel structure that comprises a first composite material layer, an intermediate layer and a second composite material layer in order....
US20140105445 FLAT-PANEL SPEAKER HAVING A MULTILAYER PCB PATTERN VOICE COIL FILM  
The present invention relates to a flat-panel speaker, and more particularly, to a flat-panel speaker having a multilayer PCB pattern voice coil film, which enables induced electromotive force to...
US20060140438 Flat panel speaker, electronic device having same, and structure and method for mounting same  
A structure and method for mounting a flat panel speaker are provided which are capable of reliably and accurately positioning a diaphragm in a cabinet and of improving an acoustic characteristic...
US20130089232 VOICE FILM OF MULTI-LAYERED STRUCTURE FOR FLAT TYPE SPEAKER  
The present invention relates to a voice film having a multi-layered structure for a flat panel speaker, including a PCB configured to have permanent magnets disposed on the left and right sides...
US20140037128 DEVICE FOR EMITTING AN ACOUSTIC WAVE  
A device for emitting an acoustic wave includes a flared structural piece bearing at its base an electromechanical transducer and defining at its flared end an output surface. A mechano-acoustic...
US20060140439 Gasket member, diaphragm, flat panel speaker, method of mounting same flat panel speaker, and method of assembling electronic device  
A method of mounting a flat panel speaker is provided which is capable of reliably preventing entry of dust and of shortening assembling time. By bonding a gasket member to a diaphragm, by pasting...
US20150326974 SINGLE MAGNET PLANAR-MAGNETIC TRANSDUCER  
Planar-magnetic transducers and headphone speakers are provided. The transducer includes a magnet, a diaphragm and an electrically conductive trace. The magnet is formed from a continuous piece of...

Matches 1 - 29 out of 29