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8170267 |
Speaker
A speaker is disclosed. A speaker includes a fixing part (500) fastened to a base frame; a motion part moved (400) with respect to the fixing part by an electromagnetic force; a vibration plate...
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8144918 |
Diaphragm for planar speaker and planar speaker
A diaphragm for a planar speaker and a planar speaker having a long-term stability and a high reliability and exhibiting a flat sound pressure frequency property. The diaphragm for a planar speaker...
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8139795 |
Loudspeaker system for aircraft cabin
A loudspeaker system for an aircraft cabin for passengers has a support structure, which includes multiple flexible flat elements, forming the internal walls of the cabin, and fastening devices for...
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8139813 |
Speaker device
A flat speaker device capable of emitting loud reproduced sound with a relatively simple configuration is provided. The speaker device includes a diaphragm, a frame supporting the diaphragm...
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8135165 |
Diaphragm and loudspeaker unit using the same
A diaphragm, and a loudspeaker unit using the same, capable of providing better low-tone characteristics than conventional ones. A loudspeaker unit includes a base frame and a cover plate joined to...
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8126189 |
Multi-directional flat speaker device
A multi-directional flat speaker device is disclosed. By the directional characteristics of a plurality of flat speakers of the flat speaker device, accompanying with mechanism to actuate each of...
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8116512 |
Planar speaker driver
A planar magnetic driver includes covering plates that are maintained under tension to form a buckled or curved surface, thereby providing for a larger magnetic gap, and allowing for a larger...
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8090138 |
Audio devices for vehicles
A vehicle audio device includes a vibrator (30), a first threaded member (20), a second threaded member (32), and a ring-shaped resilient member (25). The first threaded member (20) includes a...
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8090124 |
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...
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8085971 |
Moving-coil planar speaker
The planar speaker contains a frame, a diaphragm, a driver, a surround, and a number of flexible suspension elements. The diaphragm is suspended in a front opening of the frame by the surround. The...
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8085955 |
Electromagnetic lever diaphragm audio transducer
A transducer including a frame and a panel disposed within the frame and coupled to the frame such that the panel may rotate relative to the frame about a rotational axis. The transducer includes...
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8073162 |
Speaker
A speaker includes a sound source, a rod-like member whose base end is in contact with the sound source, and a pair of flexible wing members whose ends are attached to the tip of the rod shape...
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8041072 |
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...
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8031902 |
Loudspeaker
A loudspeaker comprises a diaphragm, an edge operable to support, on a frame, the diaphragm in such a manner that enables vibration thereof, and a voice coil operable to generate a driving force....
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7978873 |
Devices for displaying modal patterns
The present invention provides an acoustic display device for displaying modal patterns in response to sound from a sound source. The display device (10) has a substantially circular housing (12),...
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7965857 |
Loudspeaker
A loudspeaker comprising a magnet unit that generates a magnetic field, and a membrane which is mounted in a frame and which is provided with an electrical conductor arranged in a pattern on the...
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7929726 |
Planar diaphragm acoustic loudspeaker
A planar diaphragm acoustic loudspeaker having a planar diaphragm biased with a high magnetic flux density magnetic circuit which feeds an acoustic waveguide. The apparatus provides high fidelity...
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7929725 |
Acoustic apparatus and telephone conversation apparatus
An acoustic apparatus has permanent magnets 2 and 3, which have north poles and south poles magnetized alternately in a stripe-like fashion, at the front and back of a diaphragm 1, respectively;...
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7916878 |
Acoustic device and method of making acoustic device
An acoustic device comprising a diaphragm (10) having an area and having an operating frequency range and the diaphragm (10) being such that it has resonant modes in the operating frequency range,...
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7912239 |
Flat speaker
A flat speaker comprising a vibrating plate including a spiral voice coil, a lead portion extracted from the vice coil and reinforced by the reinforcing member, and an electric supply line; an edge...
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7912241 |
Field serviceable planar loudspeaker
A push-pull magnetic-planar acoustic transducer provides easy field replacement of a diaphragm. Push-pull magnetic-planar acoustic transducers are known for the relative vulnerability of their...
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7903834 |
Curve fitted electrodynamic planar loudspeaker
A curve fitted planar loudspeaker minimizes variation and dead zones in the sound field propagated by an array of the loudspeakers. The curve fitted loudspeaker provides a plurality of sound...
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7889876 |
Loudspeaker driver assemblies
An improved driver assembly for a panel loudspeaker includes a retaining element for locating the voice coil with respect to the magnet assembly and forming a surface for removable attachment of...
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7864977 |
Voice coil assembly and loudspeaker using the same
According to the invention, a whole-surface driven, flat thin loudspeaker that brings about smooth frequency characteristics with split vibration hardly caused is realized, and a voice coil...
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7860264 |
Acoustic assembly for a transducer
An acoustic assembly for use in a transducer includes a multi-layer structure. A first layer member includes a first center portion, a first edge portion and a first aperture separating the first...
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7860265 |
Diaphragm for full range boxless rotary loudspeaker driver
The design of a diaphragm for a rotary loudspeaker driver that eliminates phase cancellation and therefore eliminates the necessity of a box to acoustically isolate the front sound from the back....
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7835537 |
Loudspeaker including slotted waveguide for enhanced directivity and associated methods
A loudspeaker may include a baffle, a planar diaphragm transducer carried by the baffle and having a front surface for radiating acoustic energy therefrom, and a slotted waveguide adjacent the...
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7792319 |
Flat panel speaker, electronic device having same, and structure and method ford 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...
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7792317 |
Flat panel display with detachable anti-vibrate speaker
A flat panel display with detachable anti-vibrate speaker includes a speaker body with a front bezel attached at least one speaker driver, a rear bezel and a middle frame. The middle frame with a...
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7787645 |
Loudspeaker-transducer array
Loudspeakers optimized for use in array environments are described herein. In one embodiment, a system includes a transducer-array module having a plurality of piston-based transducers. Each...
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7787646 |
Surface deformation electroactive polymer transducers
The present invention provides electroactive polymer transducers that produce out-of-plane deflections. The transducers form a set of surface features based on deflection of an electroactive...
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7775319 |
Diaphragm for speaker and manufacturing method therefor
A diaphragm for use in a speaker is manufactured using a plurality of thin wooden boards having flat rectangular shapes. The thin wooden boards are impregnated with a resin; then, a plurality of...
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7769191 |
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;...
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7747035 |
Unipole radiator loudspeaker
A loudspeaker having a diaphragm with a fixed edge and a free edge, and a multiplicity of conductors running parallel to its length and adjacent to the free edge.
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7726441 |
Acoustic vibratory plate
There is provided an acoustic vibratory plate having at least first to third laminated bodies layered. In the acoustic vibratory plate, the first and third laminated bodies are formed of a polymer...
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7664278 |
Acoustic device and flat speaker thereof
A flat speaker includes a casing with a display window, a vibratory sound panel mounted to the display window and having a display region and an exciter mount region, a display screen disposed...
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7650003 |
Flat panel speaker and components therefor
A flat panel speaker. The speaker includes a drive unit made up of a signal oscillation radiator the winding of which promotes oscillating rather than translational movement of the radiator. Such a...
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7639826 |
Bending wave panel loudspeaker
From one aspect, the invention is a method of making a bending wave panel loudspeaker, comprising rigidly coupling a lever to a panel edge or marginal portion such that the lever extends at an...
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7620190 |
Device for actuating a membrane and a vehicle comprising a device for actuating a membrane
The invention refers to a device (3) for actuating a membrane arranged in an opening to a space, and a vehicle having such a device. The membrane (1) has a first surface (1′) and a second o...
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7596235 |
Transducer
Improved transducer for reproducing and/or recording sound, comprising a membrane onto which is provided a one-piece or multipart piezo-electric element, characterized in that the membrane is...
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7567681 |
Surface deformation electroactive polymer transducers
The present invention provides electroactive polymer transducers that produce out-of-plane deflections. The transducers form a set of surface features based on deflection of an electroactive...
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7564984 |
Acoustic device
A bending wave loudspeaker having an operating frequency range and a coincidence frequency which is above the operating frequency range, comprising a resonant panel having two generally orthogonal...
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7558395 |
Loudspeaker
A loudspeaker comprising a housing provided with a magnet unit that generates a magnetic field and a membrane which is mounted in a frame and which is provided with an electrical conductor arranged...
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7545948 |
Loudspeaker
This invention discloses a loudspeaker 100 that includes a casing 110, a drive assembly 111 with a magnetic core 112, and an induction (voice) coil 113 attached to a first rigid plate 114 for the...
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7510047 |
Speaker edge and resonator panel assembly
A complex speaker edge and asymmetric resonator panel in which the acoustic vibration damping capacity of the speaker edge varies longitudinally around the speaker edge. The resonator panel has an...
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7502486 |
Plane speaker having coil plate guide device
The present invention relates to a plate type speaker with a planar diaphragm. The plate type speaker of the present invention comprises a base frame; at least one magnetic body coupled to the base...
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7403628 |
Transducer assembly and loudspeaker including rheological material
A transducer assembly includes a transducer and a coupler with rheological material. A loudspeaker further includes an acoustic radiator. The coupler is mounted to the transducer and is operatively...
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7391879 |
Loudspeaker
An inventive loudspeaker includes a diaphragm, a first excitation means for generating structure-borne sound in the diaphragm, and a second excitation means, different from the first one, for...
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7376240 |
Coil for an electroacoustic transducer
An electroacoustic transducer comprising a magnetic circuit of a magnetically conductive material with a pair of opposed surfaces defining a gap therebetween, the magnetic circuit comprising a...
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7372968 |
Loudspeaker driver
An inertial exciter (40) for an acoustic radiator (42), and a loudspeaker incorporating an acoustic radiator and such an exciter. The exciter has a massive member (44); a coupler (56) adapted for...
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