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7624839 Enclosure for symbiotic active/passive operation of an acoustic driver  
A compact loudspeaker enclosure combines planar type devices for high frequency sound reproduction and cone type active devices for low frequency sound reproduction. The low frequency cone type...
7578368 Speaker set for electronic product  
A speaker set ( 20 ) for an electronic product ( 100 ) includes a hollow shell ( 60 ), and a loudspeaker ( 50 ) accommodated in the shell. The shell includes at least a spacing plate ( 68 ) which...
7578367 Speaker set and electronic product incorporating the same  
An electronic product ( 100 ) includes a casing ( 10 ) containing a speaker set ( 20 ) therein. The speaker set includes a hollow shell ( 60 ) and a loudspeaker ( 50 ). The loudspeaker is...
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,...
7556121 Speaker set and mobile phone incorporating the same  
A mobile phone ( 1 ) includes a casing ( 10 ) containing a printed circuit board ( 28 ) and an antenna ( 29 ) therein; and a speaker set ( 20 ) is disposed between the printed circuit board and the...
7553288 Sound and vibration transmission pad and system  
The present invention is directed to a pad and sound transmission system which is adapted to directly transmit audible sound waves into the body at high intensity levels. In one embodiment, the...
7519195 Sound system for industrial tool chests  
A sound system for industrial tool chests modifies a tool chest with drawers to provide sound and music to technicians at work in a shop. The sound system has a power supply and electronics mounted...
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...
7418104 Speaker system  
A speaker system having a first speaker, a second speaker, and a housing having a first mounting surface to which the first speaker is mounted and a second mounting surface to which the second...
7392880 Dual range horn with acoustic crossover  
A new approach has been developed to combine mid-range and high frequency sound into the throat of a horn designed for sound reinforcement. An acoustic low pass filter element is interposed between...
7350618 Multimedia speaker product  
A satellite speaker system includes a side firing low mid driver mounted in a sub-enclosure which is vented into a second sub-enclosure through an acoustic resistance vent and to a third...
7328769 Rigging system for loudspeaker arrays  
A rigging system for angularly adjusting the output portions of a plurality of loudspeaker cabinets wherein each of the cabinets includes a pair of rotatably adjustable rigging disks which protrude...
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...
7201251 Modular speaker cabinet  
A speaker cabinet design for providing adjustability of the number of speaker cabinets contained in a speaker array comprises female connectors ( 50 ) along the front and back edges on the top and...
7188703 Device for establishing noise in a motor vehicle  
In a device for establishing noise in a motor vehicle, including a housing having an inlet space, which is in communication via an inlet line with a gas-carrying part of an internal combustion...
7151836 Speaker apparatus and sound reproduction apparatus  
A speaker apparatus includes a speaker unit, a passive radiator unit, and a front baffle on which the speaker unit and the passive radiator unit are mounted to form a portion of a speaker box and a...
7130432 Speaker mounting system and method  
A system and a method for mounting a speaker unit ( 12 ). The system ( 12 ) containing a surface mounting bracket ( 14 ) including at least one attaching feature ( 20 ) and a speaker unit ( 12 )....
7103193 Bandpass woofer enclosure with multiple acoustic fibers  
A bandpass loudspeaker enclosure having three sub chambers, a first subchamber being a Helmholtz-reflex chamber with a passive acoustic radiator operating in parallel with the transducer, and the...
7021419 Speaker system  
A small-sized speaker system having a very excellent bass-range reproduction capability includes a sound radiation component for guiding acoustic waves radiated from the speaker units to a free...
6999597 Speaker stacking structure  
A speaker stacking structure includes a speaker, the speaker having two bearing walls at two sides of the speaker cabinet thereof, a plurality of locating blocks respectively symmetrically fastened...
6985593 Baffle vibration reducing  
A vibration reducing apparatus comprising, a baffle subject to vibration, a first electroacoustical transducer characterized by a first mass seated in the baffle, a second electromechanical...
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...
6940990 Multi-channel audio center speaker device  
This invention discloses a multi-channel audio center speaker device that has a low-frequency sound box working together with a mid-frequency sound box each on both sides, and the low-frequency...
6782112 Low frequency transducer enclosure  
An acoustical transducer enclosure has an acoustic lever acoustically coupled to an electro-acoustical transducer so as to force all radiated sound through the lever.
6771787 Waveguide electroacoustical transducing  
A waveguide system for radiating sound waves. The system includes a low loss waveguide for transmitting sound waves, having walls are tapered so that said crosssectional area of the exit end is...
6739424 Speaker system  
A speaker system includes a first speaker; a second speaker; and a first spacer for separating the first speaker and the second speaker from each other so that the first speaker and the second...
6719090 Speaker assembly  
The speaker assembly includes a speaker housing having a closed top wall and an opposed open end. The speaker assembly further includes a first sound source having a cone with an interior surface...
6704426 Loudspeaker system  
A bandpass loudspeaker enclosure system including at least one electro-acoustic transducer with a vibratable diaphragm having a first acoustical coupling surface and a second acoustical coupling...
6625289 Stereo loudspeaker system  
A stereo loudspeaker system ( 1 ) consists of a unitary enclosure ( 2 ), the rear wall ( 3 ) of which is oriented towards a reflecting wall ( 13 ), said enclosure ( 2 ) including an even number of...
6504938 Dual-chamber loudspeaker  
An economical and compact dual-chamber loudspeaker includes a small driver received within a partition extending between, and in acoustical and pneumatic communication with, both a front and a back...
6431309 Loudspeaker system  
A speaker system with a dual cone speaker having interconnected primary speaker and secondary speaker cones. An enclosure defines a first sub-chamber for interacting with the rear of the first...
6243477 Audio system with partitioned input and output compartments  
An audio system has a cabinet with several partitions. The partitions divide the interior of the cabinet into compartments. These include an input compartment, an output compartment above the input...
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...
6169811 Bandpass loudspeaker system  
A bandpass loudspeaker enclosure system including a first primary enclosure volume, a second primary enclosure volume and a dividing wall positioned between the first and second primary enclosure...
6031919 Loudspeaker system and sound reproducing apparatus  
In the invented speaker system, a passive radiator 401 is mounted on a top board 403a of baffle 403 in a direction opposite to a speaker unit 402. The speaker unit 402 is mounted on the opening of...
6016353 Large scale sound reproduction system having cross-cabinet horizontal array of horn elements  
A loudspeaker system having a cross-cabinet horizontal array of loudspeakers for collectively generating a common acoustical wavefront when respective drivers associated with each of the...
5872339 High performance loudspeaker system  
A loudspeaker system has a housing forming a first horn, and two low-mid range speakers mounted in the horn throat with front faces in opposition and rear faces in loading and detuning chambers...
5832099 Speaker system having an undulating rigid speaker enclosure  
A speaker system includes a rigid elongate speaker enclosure having first and second ends, a speaker driver mounted at the first end and directed outward, and a sound dispersion assembly mounted...
5824969 Speaker system with a three-dimensional spiral sound passage  
A sound radiated from the back of a speaker unit passes through a three-dimensional spiral sound passage formed by a coaxial dual-tube structure of an outer tube and an inner tube, and by a spiral...
5818942 Multimedia stereo sound source  
A speaker enclosure providing improved stereo base response and directionality for multimedia computer applications is disclosed. The enclosure directs low end frequencies into a mixing chamber...
5809150 Surround sound loudspeaker system  
The generation of skewed hypercardioid sound energy fields (in polar diagrams) from right front and left front "surround" loudspeakers with the principal nulls directed at the expected listener...
5792999 Noise attenuating in ported enclosure  
Noise attenuation apparatus comprising an enclosure having a wall separating an interior and an exterior. The enclosure defines a volume. The volume is characterized by an acoustic compliance and...
5714721 Porting  
A loudspeaker enclosure has an inside volume. At least one port characterized by predetermined mass intercouples the inside volume and the region outside the enclosure. Each port has a smoothly...
5673329 Omni-directional loudspeaker system  
A loudspeaker system includes a flexible compressible tube having a woofer mounted at one end with its cone directed outward, and a vented baffle mounted at the other end. A first sound dispersion...
5657392 Multi-way speaker with a cabinet defining a midrange driver pyramidal compartment  
A three-way speaker comprises a high frequency transducer, a mid-frequency transducer, a low frequency transducer, and a hollow speaker cabinet defining a pyramidal mid-frequency transducer...
5629502 Speaker apparatus  
A speaker apparatus includes a cabinet divided by a partition plate into a front compartment and a rear compartment, a speaker unit mounted on the partition plate so that the sound radiating...
5621804 Composite loudspeaker apparatus and driving method thereof  
A composite loudspeaker apparatus including a cabinet which has a first air chamber and a second air chamber having a sound port, a drone cone or a resonance duct, adjacent to each other, wherein...
5602367 Multiple tuned high power bass reflex speaker system  
A bass reflex loud speaker system for use in high power applications which includes an enclosure with at least two, and preferably three, cone drivers mounted in front of separate and acoustically...
5550921 Stereo sound source for portable computer  
A dual-speaker unit providing improved stereo base response and directionality for portable computer applications is disclosed. The small speakers direct low end frequencies into a mixing chamber...
5546468 Portable speaker and amplifier unit  
A combination speaker and amplifier unit has speaker located on the front of a cabinet and speaker wire receptacles located in the back of the cabinet for providing speaker wire connections to a...
Matches 1 - 50 out of 180 1 2 3 4 >