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7602934 |
Speaker system with built-in storage of satellite speakers
The disclosure relates to a satellite speaker system wherein the horn mouth of a main speaker, typically of a folded horn design, is divided by braces into satellite speaker storage chambers. This...
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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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7506721 |
Convertible folded horn enclosure
A low frequency exponential bass horn enclosure employing a large area unitary throat pathway, bifurcated at a substantially parabolic rearward channel wall, convertible to a front-loaded or...
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7454030 |
Subwoofer with cascaded linear array of drivers
A single folded, expanding horn loudspeaker reproduces low frequency audible sound at high power output levels. A compact enclosure houses a plurality of identical transducers, characterized by...
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7450733 |
Speaker with externally mounted acoustic extension
A speaker comprises an enclosure with at least one wall; and an acoustic driver mounted in an interior of the enclosure and being attached to a front wall of the enclosure. An acoustic extension is...
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7252176 |
Reflex-ported folded horn enclosure
A low frequency exponential/hyperbolic hybrid folded horn enclosure intended for use in proximity with at least one planar surface, such as a floor, ceiling, or wall, with access to the horn throat...
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7252175 |
Speaker apparatus and manufacturing method of speaker apparatus
A speaker apparatus is a bass-reflex type woofer used in a speaker system, and includes a body portion for housing a speaker unit and a bass-reflex port mounted and fixed in the body portion....
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7233677 |
Top-loading folded corner horn
A low frequency exponential horn enclosure intended for corner use with access to the horn throat and entire volume of the back chamber from the top of the enclosure, allowing operation as either a...
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7190801 |
Horn loudspeaker
A horn loudspeaker includes a horn housing having a top wall, an inner surrounding wall that extends downwardly from the top wall, a bottom wall that extends laterally and outwardly from the inner...
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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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7039212 |
Weather resistant porting
A port for a loudspeaker is disclosed which is sufficiently weather resistant for long term outdoor use and which prevents debris, insects and other vermin from entering the loudspeaker and which...
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6973994 |
Apparatus for increasing the quality of sound from an acoustic source
An apparatus for increasing the quality of sound from an acoustic source comprises in one embodiment a hollow enclosure, an acoustic source, an acoustic guide, a pair of acoustic inlet openings, a...
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6754360 |
Signal-horn
A signal-horn has an electromagnetically actuated oscillating membrane coupled to an acoustic amplifier having a volute wound duct formed of a first length with generally constant section having an...
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6658127 |
Speaker system having an amplifying horn
Disclosed is a speaker system that can be advantageously used in a television set. The speaker system has a support member which is provided with a partition wall and mounted on both sides of 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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6393131 |
Loudspeaker
A loudspeaker includes a cabinet designed so as to define a central compartment sandwiched between upper and lower compartments. The cabinet is symmetrical about a vertical central, fore-and-aft...
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6389144 |
Sound field equalizing apparatus for speaker system
A sound field equalizing apparatus for a speaker system which is capable of widening a region in which it is possible to effectively hear a sound field. The apparatus includes a sound field...
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6144309 |
Alarm device with multiple indicators and flameproof housing
An alarm device 10 incorporates a sounder 11 and a strobe 12. The sounder and the strobe are controlled by a circuit board 17 that is located within a single flameproof housing 13. A pressure unit...
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6127918 |
Buzzer with a sound film and equalizing or whirlpool sound mechanism
A buzzer includes a base with an upper opening, a vibrating plate fixed on the upper opening of the base, a sound film fixed flatly on the vibrating plate, and an equalizing or whirlpool sound...
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6035051 |
Sound apparatus
A sound apparatus capable of obtaining a clear sound (audio image) irrespective of a position of a speaker portion to be provided in the sound apparatus. The sound apparatus includes a speaker...
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5970158 |
Compact horn speaker
A compact horn speaker suitable for use on emergency vehicles has a rear-facing motor circuit, a horn plate, and a mouth section. The horn plate has a plurality of horns folded therein in a plane...
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5898788 |
Loudspeaker system
A loudspeaker system capable of minimizing interference of sound waves and increasing bass sound amplification efficiency by collecting and amplifying only a portion of the sound waves radiated...
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5822443 |
Speaker system for a television
A speaker system for a television includes a speaker provided in the television; a front amplifying member for amplifying sound waves radiated forward of the speaker; and a rear amplifying member...
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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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5367576 |
Horn speaker
A horn speaker has a cabinet, a speaker body mounted in the cabinet, a horn including at least one horn piece, and threaded attachment bolts. The attachment bolts detachably attach the cabinet,...
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4982436 |
Dual horn folded soundpath loudspeaker
A loudspeaker having two horns defining two soundpaths passing therethrough an input for connection to a driver and an output for broadcasting an acoustic signal is shown to include a central...
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4979219 |
Piezoelectric speakers
A piezoelectric speaker comprises a drive unit having an auxiliary diaphragm bonded with a piezoelectric transducer element for producing sound thereby and a horn member having a resonance device...
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4969196 |
Speaker and horn array
A speaker and horn array having improved audio characteristics is formed in a baffle case. A plurality of small speakers are mounted in the baffle case in a vertical array in close proximity with...
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4963855 |
Warning sound generating device
A warning sound generating device includes a sound source member and an enclosure for protecting the sound source member. A front wall of the enclosure and a sound emitting portion of the sound...
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4893343 |
Dual diverging manifold loudspeaker system
A dual diverging manifold loudspeaker system includes a generally cubically-shaped outer horn housing and an inner dome-like cap member for encapsulating therebetween a compression driver assembly....
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4860367 |
Low frequency loud speaker
A low frequency loud speaker is disclosed for use in a room at the intersection of two, mutually perpendicular planes, such as a ceiling and a wall, a floor and a wall or two walls. The speaker has...
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4853964 |
Electroacoustic apparatus for reproducing lowest to medium frequencies
Electroacoustic apparatus for reproducing lowest to medium frequencies being provided with a housing wherein a folded exponential horn combined with a loudspeaker is defined having five horn...
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4850452 |
Loudspeaker structure
One or more up-firing woofer loudspeakers (12 or 22) are mounted atop a truncated pyramidal enclosure (1 or 21). A down-firing tweeter (5 or 25) is aligned above the woofer. A sound-reflecting...
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4836327 |
Sound reinforcement enclosure employing cone loudspeaker with annular central loading member and coaxially mounted compression driver
An improved sound reinforcement enclosure is disclosed which incorporates a cone-type loudspeaker operating into a generally cylindrical channel extending from the perimeter of the cone to free...
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4790408 |
Coiled exponential bass/midrange horn loudspeakers
Coiled Exponential Bass Midrange Horn Loudspeakers which are each characterized by a rigid cabinet of selected size having a sealed air chamber in the base thereof for receiving a low frequency...
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4518826 |
Vandal-proof communication system
A touch switch and monitor lamp associated with an intercom station are embedded in a protective wall mounted plate with exposed ends flush with the planar surface of the plate which has openings...
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4485275 |
Inverted horn loudspeaker
A loudspeaker includes, in an enclosure, a motor and a diaphragm coupled thereto. An inverted horn couples the surface of the diaphragm through the enclosure. The diaphragm is located in the...
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4385211 |
Reflex horn speaker with a waterproofing device
A reflex horn speaker with a waterproofing device for use on a ship or the like is disclosed. The reflex horn speaker comprising a sound generator, an inner cylindrical horn, a conical reflector...
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4317009 |
Coldproof reflex horn speaker
A coldproof reflex horn speaker comprising a frame, a magnet mounted thereto, a diaphragm having a voice coil in its periphery, and inner and outer horns, which is provided with an electric heater...
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4313032 |
Folded horn loudspeaker system
A folded-horn loudspeaker system adapted for high-power audio applications. The system preferably comprises a rigid enclosure of generally cubicle dimensions and an integral, exponentially curved...
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4138594 |
Small dimension low frequency folded exponential horn loudspeaker with unitary sound path and loudspeaker system including same
A small dimension low frequency loudspeaker has a folded exponential horn which provides a unitary curved sound path from an electroacoustic transducer at the throat of the horn to a volume into...
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3912866 |
Folded bass horn speaker
The specification discloses a folded bass horn speaker having a rectangular speaker cabinet with a rear wall and a front speaker opening. A housing having the exterior shape of a pyramid is mounted...
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3812301 |
SPHERICAL LOUDSPEAKER
A loudspeaker including a radiating cone speaker in a spherical flexible sealed enclosure which is capable of radiating sound in response to variations of internal acoustic waves, and having an...
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3454729 |
OUTDOOR PAGING LOUDSPEAKER
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3432002 |
HORN-LOADED LOUDSPEAKER
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3135349 |
Loudspeaker
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3028927 |
Dual coaxial speaker
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2957054 |
Transducer
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2897292 |
High fidelity loudspeaker
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