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7621369 |
Acoustic energy projection system
The sound generating and transmitting apparatus is based on a radiator including at least a first, and possibly two or more, shaped reflecting surface(s) having a forward radiant axis. Each of the...
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7584820 |
Acoustic radiating
An apparatus includes an acoustic device comprising a waveguide having a sound opening at one end facing a space, an audio source, an acoustic driver at another end of the waveguide, the acoustic...
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7520368 |
Horizontally folded reflex-ported bass horn enclosure
A low frequency folded horn enclosure intended for use in proximity with at least one planar surface with access to the horn throat from the top of the enclosure. The horn is bifurcated at the...
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7513332 |
Convertible folded horn enclosure with improved compactness
A low frequency exponential bass horn enclosure employing a bifurcated horn pathway and twin throats, convertible to a variety of front-loaded or rear-loaded configurations without modifications by...
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7463746 |
Narrow opening electroacoustical transducing
A loudspeaker system having an enclosure having a narrow opening or slot for radiating high frequency acoustic energy. The loudspeaker system has a cover member defining a slot between the cover...
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7296653 |
Sound control apparatus
A sound controlling apparatus adapted for combination with a speaker unit, comprising a stand configured to support the speaker unit, a reflecting panel or panels associated with the stand to...
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7263387 |
Speaker module design
A speaker module ( 200 ) having a speaker unit ( 210 ) and a speaker box ( 220 ) is provided. The speaker module is mounted in a casing ( 22 ) of a hand-held electronic device ( 20 ). The speaker...
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7207413 |
Closed loop embedded audio transmission line technology for loudspeaker enclosures and systems
An acoustic impedance matching enclosure is provided having a driver loaded into a chamber buffering the throat/mouth of a closed loop transmission line. Transmission line consists of a termination...
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7201252 |
Loudspeaker systems
A loudspeaker system includes a loudspeaker drive unit ( 1 ) and a rear sound absorption system ( 20 ) having a multiplicity of tubes connected to the rear of the loudspeaker drive unit. In one...
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7123725 |
High intensity infrasonic tunable resonant acoustic test cell
An apparatus and method are provided for high intensity acoustic test cells that employ the Helmholtz resonator principle, incorporating at least one moderately-sized volume or test cell that is...
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RE39330 |
Speaker system and a method for improving sound quality thereof
A speaker system suppresses standing waves generated in the system and reproduces clear and dynamic bass sound. The system includes a cabinet formed of acoustic insulation walls, and at least one...
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7093688 |
Structure for preventing the generation of standing waves and a method for implementing the same
A speaker assembly includes a speaker mounted within a housing having a front plate and a base plate. The speaker is inclined with respect to the front plate. The base plate includes one of an...
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6886658 |
Loudspeaker enclosure system
The system consists of 2 large speakers ( 1 A & 1 B), and 2 small full range speakers ( 2 A & 2 B) having about half the active cone area as the large speakers, mounted in a dual chamber...
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6860363 |
Planar acoustic waveguide
An improved speaker enclosure system and method is described which includes extending the existing baffle of a speaker enclosure on either side. Ideally, the ratio of the height of the baffle...
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6820718 |
Acoustic reproduction device with improved directional characteristics
A sound reproduction system is disclosed which minimizes unwanted acoustic reflections and the resulting comb-filter effects but which still maintains a broad and uniform directional characteristic...
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6758303 |
Electronic device having a multi-mode acoustic system and method for radiating sound waves
An electronic device ( 100 ) having a multi-mode acoustic system ( 120 ) and a method ( 500 ) for radiating sound waves are described herein. The acoustic system ( 120 ) generally includes a...
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6755277 |
Speaker resonance voicebox
A computer chassis includes a chassis wall and a speaker mounted on the chassis wall. An acoustic box is connected to the speaker. The box includes a sound reflecting distal wall including a...
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6705426 |
Acoustic diffuser and method of production
Acoustic diffuser comprising a containing element able to contain at least a loudspeaker, wherein the containing element is formed by a monocoque made with granules of solid mineral held together...
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6675932 |
Speaker housing configured to minimize standing waves and resonate above the frequency range of transducers
This invention provides a speaker enclosure that minimizes or defuses standing waves and minimizes resonance within the operating frequency range of its transducers. To minimize standing waves, the...
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6643377 |
Audio output system and method therefor
There is provided an audio output apparatus capable of providing an effect, with a limited number of speakers, as if the person displayed on the display screen is really speaking. When the...
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6634455 |
Thin-wall multi-concentric sleeve speaker
An acoustic transmission line speaker enclosure with concentric cylindrical structures establishes acoustic coupling between a rear-traveling sound wave and a surrounding air mass. Inherent...
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6603862 |
Spherical loudspeaker system
By providing a spherically shaped housing or enclosure containing one or more drivers or speakers motors, and cooperatively mounting the housing in association with a uniquely constructed...
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6597797 |
Spherical loudspeaker system with enhanced performance
By providing a spherically shaped loudspeaker and/or closure containing one or more drivers or speaker motors, mounted in cooperative association with a uniquely constructed reflector, a...
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6578660 |
Speaker enclosure venturi expander
A venturi expander is mounted on a speaker enclosure to receive the rearward-propagated sound waves and to extend the propagation path. The venturi expander's reflective sides direct the rearward...
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6568502 |
Sounder, speaker and sound head using the sounder
A sounder includes a cone and a sound disk, the cone having a conical peripheral wall with a flat base, the flat base having a diameter smaller than the sound disk, the sound disk being adhered to...
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6520282 |
Sound enhancement mechanism for speaker sound system
A sound enhancement system is provided including a preexisting system and a secondary enclosure with an internal space; wherein sound emanating from the loudspeaker system when the loudspeaker...
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6516072 |
Loudspeaker
A module of loudspeaker 1 for high-quality reproduction of music and voice has a direct radiating base electrodynamic driver (EDD) 2 transforming an electric signal to acoustic one at least in...
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6502662 |
Speaker having a hemispherical vibrator
A speaker includes a disk-shaped base. A substantially hemispherical surface vibrator is fitted into a substantially circular groove provided in the base and bonded therein. Terminals are attached...
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6435301 |
Apparatus for the redistriabution of acoustic energy
An apparatus for the redistribution of acoustic energy is provided which comprises a lens having a reflective surface defined by the surface of revolution (R 1 ) of an elliptical arc (A 1 ) rotated...
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6425456 |
Hollow semicircularly curved loudspeaker enclosure
A loudspeaker enclosure having an improved full range driver and an improved enclosure assembly. The enclosure assembly comprise a hollow semicircularly curved internal and external casing thereby...
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6356643 |
Electro-acoustic transducer
An electro-acoustic transducer, such as a speaker device or an earphone device. Includes an electro-acoustic transducing unit, such as a speaker unit, for converting input electrical signals into...
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6320971 |
Speaker system and a method for improving sound quality thereof
A speaker system suppresses standing waves generated in the system and reproduces clear and dynamic bass sound. The system includes a cabinet formed of acoustic isolation walls, and at least one...
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6257365 |
Cone reflector/coupler speaker system and method
A speaker system including a cone reflector connected to a speaker driver. The cone reflector has at least one included angle used to reflect sound in a desired pattern in the horizontal and...
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6223853 |
Loudspeaker system incorporating acoustic waveguide filters and method of construction
A method of constructing an acoustic filter incorporates a technique in which the filter is modelled with one or more distributed two port elements. The or each distributed element is defined by a...
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6134332 |
Sound lens speaker system
A sound lens speaker system includes a concave sound lens, two upper frequency drivers, and a lower mid/low frequency driver. The mid/low frequency driver is oriented to fire sound waves towards...
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6122386 |
Adjustable speaker system with reflector
An adjustable speaker system includes a speaker enclosure having at least a forward facing surface, the speaker enclosure enclosing a speaker with a forward facing acoustic outlet from which sound...
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6068080 |
Apparatus for the redistribution of acoustic energy
An apparatus for the redistribution of acoustic energy is provided which comprises a lens having a reflective surface defined by the surface of revolution R1 of an elliptical arc A1 rotated about a...
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6009972 |
Omni-directional speaker system
An omni-directional speaker system having a speaker unit fixed in a speaker cabinet, a first reflecting plate having a hole installed in the speaker cabinet for dispersing sound waves emitted from...
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5995634 |
Speaker and lamp combination
Attractive furniture which encloses a speaker system for improved functionality of both the furniture and speaker system. The furniture is hollow and can be lamps, tables or other pieces, allowing...
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5988314 |
Sound output system
A sound output system has a pair of right and left speakers and a pair of audio mirrors for respectively controlling directivities of sounds which are output from the pair of speakers. The shapes...
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5949893 |
Loudspeaker box
A loudspeaker box for faithfully reproducing stereophonic sound. The box is divided into at least two chambers hermetically sealed from each other and provided with loudspeakers for propagating...
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5943431 |
Loudspeaker with tapered slot coupler and sound reproduction system
In accordance with the invention, there is provided a tapered slot coupler combined with a loudspeaker for providing a high degree of uniform angular sound distribution in the horizontal plane, and...
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5943430 |
Television stereophonic audio system
A television set speaker system enables stereophonic audio reproduction with a "live" feeling when a television set receives programming in stereo. Such a system includes two front speakers for...
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5898137 |
Speaker system for television set
A sound A is emitted from respective left- and right-hand front speakers which are provided on a television set, in a front direction, while, regarding respective side speakers which are provided...
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5886304 |
Omni-directional sound system
In an omni-directional sound system such as a sound-light combination arrangement having at least one loudspeaker and optionally at least one light source, a bass loudspeaker arrangement includes a...
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5821470 |
Broadband acoustical transmitting system
An acoustical transmitting system and method for producing a narrow beam of acoustic energy over a broadband operating frequency range utilizes a parabolic reflector dish, a horn-loaded compression...
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5815589 |
Push-pull transmission line loudspeaker
A loudspeaker system having a multiple driver array arranged in a push-pull configuration is loaded into an acoustic transmission line ported to the outside of the loudspeaker enclosure. The...
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5804774 |
Ported reflex horn
An integrally formed ported reflex horn comprises an outer housing having a plurality of side walls disposed about a central axis, an open discharge end and a second closed end, oppositely disposed...
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5802196 |
Speaker for radiating sound waves in all directions relative to a speaker supporting surface
A speaker is adapted to transmit sound waves in an omni-directional manner relative to an installation surface upon which the speaker is mounted. The speaker includes an oscillator having a...
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5793001 |
Synchronized multiple transducer system
In general, the invention comprises a device capable of emitting either acoustic or electromagnetic radiant energy. The device has at least one reflector with a smooth concave surface which...
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