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7606379 |
Omni-directional speaker lamp
A speaker, having a diaphragm with a central opening and further having a pole piece, including a first sound dispersion element extending from the pole piece through the central opening of the...
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7596236 |
Loudspeaker with direct emission and optimised radiation
The invention concerns a mobile membrane loudspeaker equipped with a partial closure optimising its radiation. The invention is characterised in that the loudspeaker with mobile diaphragm ( 19 )...
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7577265 |
Loudspeaker system providing improved sound presence and frequency response in mid and high frequency ranges
A speaker system includes a first, second and third sound radiators with the second sound radiator positioned medially between the first and third sound radiators. The radiators project first,...
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7564986 |
Ultrasonic speaker and projector
An ultrasonic speaker including: a vibration film having a conductive layer; a pair of fixed electrodes provided oppositely to respective surfaces of the vibration film; and an ultrasonic...
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7542579 |
Ultrasonic transducer, ultrasonic speaker, acoustic system, and control method of ultrasonic transducer
An electrostatic type ultrasonic transducer of a push-pull system is constructed such that a through hole is arranged in the central portion of a fixing electrode of a circular shape. A sound wave...
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7466837 |
Diffuser and speaker using the same
A spherical wave generating diffuser positioned in front of the sound emission side of a sound source. The diffuser comprises an inner horn and an outer horn positioned concentrically around the...
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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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7426282 |
Head set speaker and stereo playing device
A head set speaker and stereo radio playing device exhibits improved harmonics and acoustic fidelity. A resilient and flexible headpiece is sized to fit behind the head of the user. Right and left...
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7400736 |
Method for extending the frequency range of a beamformer without spatial aliasing
A conferencing unit, comprising an array of microphones embedded in a diffracting object configured to provide a desired high frequency directivity response at predetermined microphone positions,...
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7366310 |
Microphone array diffracting structure
The present invention increases the aperture size of a microphone array by introducing a diffracting structure into the interior of a microphone array. The diffracting structure within the array...
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7352875 |
Speaker apparatus
The present invention provides a speaker apparatus which has a simple structure and a high directivity and which can emit sound. The speaker apparatus includes a hood having an opening at a front...
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7184562 |
Loudspeaker apparatus
A loudspeaker apparatus in which sound from a loudspeaker is emitted from a top surface of a loudspeaker cabinet, wherein the top surface is slanted obliquely backward and in which a sound...
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7158648 |
Loudspeaker system with extended bass response
A loudspeaker system has an extended bass or low frequency response. The loudspeaker system integrates a passive radiator with a transducer. The loudspeaker system also mechanically isolates the...
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7142680 |
Multiple waveguide coaxial ceiling loudspeaker
A flush mountable ceiling speaker ( 10 ) with individual coaxial waveguides ( 20, 22 ) for both the lower and high-frequency transducers ( 11, 12 ). The lower frequency radiation is combined with...
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7133533 |
Passive acoustic radiating
An audio device has passive radiators that are driven by acoustic drivers. The passive radiators are arranged so that the net mechanical vibration is minimized.
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6996243 |
Loudspeaker with shaped sound field
The loudspeaker and method provide a driver of a loudspeaker that is movable parallel to an axis of movement through a center of the driver to produce sound waves. The driver is aligned with the...
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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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6804371 |
Speaker having a laser vibration diaphragm
A speaker includes a housing having a diffusion opening provided with a laser vibration diaphragm. The laser vibration diaphragm has reflective spatial patterns, so that the speaker may present...
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6738483 |
Overhead loudspeaker systems
An overhead loudspeaker system is achieved which controls and shapes the ultimate acoustical wave form produced thereby, by providing at least one loudspeaker driver, mounted in a housing or...
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6731765 |
Loudspeaker device
A loudspeaker device includes left and right channel loudspeaker units which are disposed on left and right sides in close proximity to each other, and a partition member projecting forwardly in...
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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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6636610 |
Loudspeaker systems
By providing an enclosure having an acoustically optimum size and an effective or virtual air volume for optimum performance, a loudspeaker system is realized which is able to faithfully reproduce...
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6625288 |
Collapsing paraboloid dish and method
A paraboloid receiving dish having a base, a receiver coupled to the base, and a plurality of petals pivotably connected to the base. The petals are moveable between an open position and a closed...
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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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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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6445804 |
Ultra-directional speaker system and speaker system drive method
An ultra-directional speaker system has a speech generation means, an ultrasonic generation means, an amplitude modulation means to which the speech generation means and ultrasonic generation means...
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6408080 |
Boundary layer microphone
A microphone may use boundary layer technology in concert with a concave reflector to produce improved sensitivity. The concave reflector may be arranged with respect to a boundary layer creating...
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6343132 |
Loudspeaker
The present invention provides a loudspeaker capable of matching a sound image and a picture image on a screen of an image reproducer with each other in simple construction and a simple method of...
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6314191 |
Fireplace accessory
An accessory for gas log fireplaces that includes a crackling sound generating mechanism for simulating the sounds of a log fire and a scent dispensing mechanism for simulating the slight smoke...
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6154551 |
Microphone having linear optical transducers
Microphone having linear optical transducers. The present invention includes the use of linear optical transducers in several configurations to detect the motion of one or more conventional...
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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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6088462 |
Surface acoustic wave device
A surface acoustic wave device includes a quartz rotated Y-cut plate and at least one interdigital transducer disposed on the quartz rotated Y-cut plate. The quartz rotated Y-cut plate has a Euler...
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6064744 |
Omni-directional loudspeaker
The invention relates to a loudspeaker system for omni-directional sound emission consisting of a elongate member forming an air column and a plurality of annular speaker units mounted in axially...
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6031920 |
Coaxial dual-parabolic sound lens speaker system
A sound focusing speaker system includes a sound focusing lens having an upper parabolic portion and a coaxial lower parabolic portion, each defined by different parabolic equations. A conical...
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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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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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5946403 |
Directional microphone for computer visual display monitor and method for construction
A directional microphone intended for use in a computer visual display monitor, and methods for construction of same. The integral directional microphone assembly comprises a cardioid electret...
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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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5857027 |
Loudspeaker
The loudspeaker particularly comprises two-aperture radiator (1) containing paired in-phase counter-radiating apertures (4) and reproducing middle frequencies. Apertures (4) face each other, and...
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5809154 |
Ported loudspeaker system and method
A vent loudspeaker system is provided which has at least one active driver and a port opening in a speaker cabinet. Disks or baffle plates are mounted a predetermined distance to and concentric to...
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5809153 |
Electroacoustical transducing
Electroacoustical transducing apparatus includes an input for receiving an audio electrical signal. A first electroacoustical transducer is constructed and arranged to radiate first sound waves in...
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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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5802188 |
Integrated chassis and resonance component in an electronic device
An electronic device includes an electronic component and a chassis to support the electronic component. The electronic device also includes a non-supporting chassis component that is integrally...
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5784473 |
Sound system
This disclosure relates to a sound system that provides high quality sound notwithstanding extreme background noise. Preferably implemented in amusement ride vehicles, such as roller coasters, the...
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5764783 |
Variable beamwidth transducer
The invention comprises a device capable of emitting either acoustic or electromagnetic radiant energy. The device has at least one movable transducing element for producing this energy, and at...
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5764782 |
Acoustic reflector
The surface of an acoustic reflector faces the source, and has a plurality (N) of wells, where N is an odd prime number. Each well has a depth D n =(n 2 rem N)* unit depth (0<=N<=N-1),...
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