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| Number | Title | Issue Date |
| 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 speaker is mounted. The first mounting surface and the second mounting su... | 08/26/2008 |
| 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 the lower frequency passage and the higher frequency passage, so tha... | 07/01/2008 |
| 7369672 | Personal audio visual system An audio visual system has a housing with a video display and one or more speakers. The speakers are housed in cavities which limit dispersion of the sound generated, and the video display is preferably a directional LCD display. The housing is preferably mounted to... | 05/06/2008 |
| 7360626 | Audio speaker with wobble free voice coil movement A speaker that is designed to substantially eliminate wobble of the voice coil during operation, and thus remove that source of distortion and early failure of the speaker. This is accomplished with the creation of triangular ring that extends upward from the top ed... | 04/22/2008 |
| 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 sub-enclosure through a variable aperture second vent. The vents further serve ... | 04/01/2008 |
| 7343018 | System of sound transducers with controllable directional properties The invention relates to loudspeaker systems or loudspeaker columns as used in public address systems and at (pop) concerts. Such systems heretofore possess a frequency-dependent coverage angle and strong second and third order side lobes. The invention describes fo... | 03/11/2008 |
| 7333626 | Arbitrary coverage angle sound integrator A system is disclosed for changing a coverage angle of sound produced from a loudspeaker system. The loudspeaker system includes an enclosure that projects sound at a predetermined angle. A sound integrator includes an inner surface positioned adjacent to a mid-rang... | 02/19/2008 |
| 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 outwardly thereof which are selectively receivable within an adjacen... | 02/12/2008 |
| 7319772 | Speaker device for improving mid/high-range frequencies A speaker device for improving mid/high-range frequencies includes a magnetic base, a frame annularly mounted to the magnetic base, a cone mounted to an inner side of the frame, a voice coil mounted to the cone and suspended in a gap of the magnetic base, and a dead... | 01/15/2008 |
| 7301094 | Device for driving vibration source A vibration source driving device that realizes various vibration functions on portable telephones. The vibration source driving device includes a sound source for generating musical tone signals in response to music data. A vibration source to generate vibration, a... | 11/27/2007 |
| 7302061 | Dual-tweeter loudspeaker A dual tweeter speaker, wherein the tweeters are spaced far apart, is provided. The loudspeaker system includes a woofer and two tweeters, which are arranged so they reduce interference with sound waves emitted by the woofer. The spaced apart tweeters provide an imp... | 11/27/2007 |
| 7284637 | Low-frequency sound reproducing speaker apparatus In a low-frequency sound reproducing speaker apparatus of Kelton type, a cabinet for containing a speaker unit is constituted by a shape of substantially a parallelepiped slender in a front and rear direction, a length dimension in the front and rear direction is se... | 10/23/2007 |
| 7280668 | Ceramic metal matrix diaphragm for loudspeakers This invention provides a method of manufacturing speaker diaphragm for a loudspeaker that has a composite material formed of two layers of ceramic material separated by a light metal substrate and where the core is formed by stamping a sheet of standard gauge alumi... | 10/09/2007 |
| 7277012 | Broad field motion detector A motion sensing system device and method which utilize dispersed ultrasonic radiation is disclosed. The system preferably comprises a low profile sensor unit configured to couple to a ceiling position. The sensor unit comprises an ultrasonic transmitter and an ultr... | 10/02/2007 |
| 7261180 | Rigging system for speaker cabinets A rigging system includes a lever arm permitting all speakers supported by the speaker whose rigging is adjusted to be angularly reoriented to focus the system, even out the coverage and fine tune the coverage. Multiple pivot attachment points for the moment arm are... | 08/28/2007 |
| 7237648 | Surround sound positioning tower system and method A surround sound system and method involving a surround sound tower (10) having planar speakers (11b); a base plate (20); and a structure for positioning (30) the surround sound tower on the base plate (20), the surround sou... | 07/03/2007 |
| 7225895 | Audio speaker with wobble free voice coil movement A speaker that is designed to substantially eliminate wobble of the voice coil during operation, and thus remove that source of distortion and early failure of the speaker. This is accomplished with the creation of triangular ring that extends upward from the top ed... | 06/05/2007 |
| 7204799 | Microphone optimized for implant use An implantable microphone for use with an implantable hearing instrument that has a reduced vibration sensitivity in comparison with its acoustic sensitivity. The microphone utilizes a plurality of small diaphragms as opposed to a single large diaphragm in order to ... | 04/17/2007 |
| 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 right sides. A user of the cabinet can attach a mating second ca... | 04/10/2007 |
| 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 engine arranged in the motor vehicle, and an outlet space, which is acous... | 03/13/2007 |
| 7185735 | Audio speaker with wobble free voice coil movement A speaker that is designed to substantially eliminate wobble of the voice coil during operation, and thus remove that source of distortion and early failure of the speaker. This is accomplished with the creation of triangular ring that extends upward from the top ed... | 03/06/2007 |
| 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 back plate. A closed front chamber is formed by the front baffle for... | 12/19/2006 |
| 7134523 | System for integrating mid-range and high-frequency acoustic sources in multi-way loudspeakers This invention provides a radiation boundary integrator (“RBI”) for integrating sound radiation from mid-range and high-frequency sources in multi-way loudspeakers. The RBI is a substantially solid boundary that is placed over the mid-range speakers to provide s... | 11/14/2006 |
| 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). The speaker unit (12) comprises at lea... | 10/31/2006 |
| 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 tunable to a given infrasonic to low-sonic frequency and generates soun... | 10/17/2006 |
| 7123736 | Double-resonator micro-speaker assemblies and methods for tuning the same Micro-speaker assemblies and mobile terminals including micro-speaker assemblies are provided. The micro-speaker assemblies include a micro-speaker positioned in a housing. A first forward tuning volume is positioned adjacent a front face of the micro-speaker. A pas... | 10/17/2006 |
| 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 remaining two chambers utilizing two passive acoustic radiators to ach... | 09/05/2006 |
| 7096995 | Polyurethane foam cabinets The invention provides a loudspeaker system having a housing made of a plastic casing and a foam positioned against the interior walls of the casing through a reaction between the foam and the interior wall. The foam increases the stiffness of the walls as well as p... | 08/29/2006 |
| 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 inclined type structure, a convex type structure, a radial rib type struc... | 08/22/2006 |
| 7090047 | Surround sound positioning tower system and method A surround sound system and method involving a surround sound tower; a base plate; and a structure for positioning the surround sound tower on the base plate, the surround sound tower being mounted on, and normal to, the positioning structure for customizing sound d... | 08/15/2006 |
| 7077236 | Articulating vehicle speaker assembly An articulating speaker assembly for the interior of a motor vehicle, which includes sidewall trim defining a pocket in the trim, includes a housing and at least one speaker operatively supported within the housing. The assembly includes at least one pivot arm havin... | 07/18/2006 |
| 7073760 | Support structure for spa speakers A speaker rack for use with spas including a first and second member with the second member comprising generally extending members. The first member is coupled to the generally extending members of the second member. This first member allows for support, helps an in... | 07/11/2006 |
| 7036781 | Connecting unit for the angle-adjustable connection of at least two loudspeaker enclosures, and correspondingly connected loudspeaker enclosures The invention relates to a connecting unit for the angle-adjustable connection of at least two loudspeaker enclosures. There are provided a first supporting part (13), which can be assigned to one loudspeaker enclosure (11), and a second supporting par... | 05/02/2006 |
| 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 space by causing a larger degree of air compression and expansion than i... | 04/04/2006 |
| 7019633 | Audio signal sound diffusion system The present invention relates to an audio signal sound diffusion system for diffusing, e.g., alarm signals, pre-recorded signals and microphone signals over wide areas. According to one of its aspects, the present invention relates to an audio signal sound diffusion... | 03/28/2006 |
| 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 to the bearing walls of the speaker, each locating block having a pl... | 02/14/2006 |
| 6997525 | Audio visual system An audio visual system is provided comprising a housing, a video display, at least one speaker support coupled to at least one of the display and the housing, and at least one speaker mounted to and supported by the speaker support, the housing and the at least one ... | 02/14/2006 |
| 6968067 | Portable entertainment system The subject invention is directed to a portable entertainment system that includes a housing unit and an audio system supported by the housing unit. A transport structure is coupled to the housing unit such that the housing unit is portable. The audio system include... | 11/22/2005 |
| 6961438 | Loudspeaker system having wide-directional characteristics A loudspeaker system having wide-directional characteristics includes a loudspeaker body having a polyhedron shape, preferably of dodecahedron and a plurality of speakers disposed on outer surfaces, respectively, of the polyhedron-shaped loudspeaker body in a manner... | 11/01/2005 |
| 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 sound box works with a high-frequency sound box having a forward sound d... | 09/06/2005 |
