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| Number | Title | Issue Date |
| 8151929 | Acoustic waveguide vibration damping An acoustic waveguide with at least two portions coupled by vibration damping structure. The vibration damping structure may be a conformable material such as closed cell foam. The vibration damping structure may further include structure for inhibiting motion in a ... | 04/10/2012 |
| 8002078 | Acoustic waveguide vibration damping An acoustic waveguide with at least two portions coupled by vibration damping structure. The vibration damping structure may be a conformable material such as closed cell foam. The vibration damping structure may further include structure for inhibiting motion in a ... | 08/23/2011 |
| 7743877 | Speaker system A speaker system that includes a speaker unit, a cabinet, a plurality of protruding materials, and a gas adsorbing material. The cabinet forms a chamber at a backside of the speaker unit. The plurality of protruding materials are formed inside the chamber and connec... | 06/29/2010 |
| 7530424 | Sonic boom simulator A supersonic boom simulator constructed from a directed coherent sound pulse source, a waveguide and a bass trap at the opposite end of the waveguide from the directed coherent sound pulse source. ... | 05/12/2009 |
| 7530425 | Speaker enclosure for a ceiling or wall mounted speaker method and apparatus A method of mounting a speaker enclosure for a ceiling or wall mounted speaker which includes the selection of a flexible polymer speaker housing forming a hollow chamber having a speaker opening therein and being collapsible to a smaller size. A hole is cut into a ... | 05/12/2009 |
| 7353907 | Speaker enclosure for a wall mounted speaker system A process and kit is provided for retro-installing a speaker enclosure for a wall mounted speaker. The process includes mounting a selected speaker surround member in a building wall between the front and back wall surfaces and between the wall studs and around the ... | 04/08/2008 |
| 7337874 | Lightweight speaker enclosure A speaker enclosure having a substantially seamless rigid outer skin, a middle sound absorbing layer, and a substantially seamless inner skin results in a lightweight speaker having sound absorbing characteristics. The speaker enclosure is comprised of two basic par... | 03/04/2008 |
| 7325649 | Loudspeaker with progressively damped acoustical chamber The present invention relates to a novel acoustical chamber for enclosed loudspeakers which help direct and control sound waves within the enclosure thereby enhancing sound output. The present invention utilizes a method of progressive damping which utilizes multipl... | 02/05/2008 |
| 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 |
| 7270215 | Loudspeaker enclosure with damping material laminated within internal shearing brace A loudspeaker cabinet with a laminated internal brace which has a first rigid layer coupled to a first exterior panel of the cabinet, a second rigid layer coupled to an a second exterior panel of the cabinet, and a damping layer affixed between the rigid layers wher... | 09/18/2007 |
| 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 member, outer and inner enclosure walls, high-density lining and thr... | 04/24/2007 |
| 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 example, the rear sound absorption system (20) comprise... | 04/10/2007 |
| 7180016 | Weight sensor accessory This invention provides a housing (60) for a weight sensor (10). The housing (60) is made from fluid-impervious material and is shaped and configured to completely enclose the weight sensor (10) in a fluid tight manner. The housing (60... | 02/20/2007 |
| 7162772 | Bracket for temporarily attaching wheels and/or casters to objects at a variety of angles A bracket for temporarily attaching wheels and/or casters to objects at a variety of angles includes a horizontal member for supporting an object on an upper surface and for mounting a wheel or caster on a lower surface; and an attached substantially vertical side m... | 01/16/2007 |
| 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 |
| 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 partition wall situated inside the cabinet to form a space by surround... | 10/10/2006 |
| 7073624 | Loudspeaker baffle isolation system This invention provides a baffle isolation system for isolating a baffle from a housing in a loudspeaker mounting system. The isolation system may include an isolation mechanism that insulates the baffle from the speaker housing. The isolation mechanism may include ... | 07/11/2006 |
| 7040309 | Axle housing for a support stand for an automatic ball throwing device The present inventions provides a directing device for controlling the orientation of a ball launching device, comprising a first member, a second member pivotally attached to the first member, and a third member disposed substantially parallel to the second member,... | 05/09/2006 |
| 7039210 | Briefcase or carrying case with integrated loudspeaker system Briefcase respectively carrying case for electronic devices or documents having a housing comprising a storage compartment arranged in the housing for storing at least one paper document, electronic device or object, at least one loudspeaker for reproduction of audi... | 05/02/2006 |
| 7027610 | Loudspeaker A loudspeaker contains a hemispherical vibrator. The end portion of the hemispherical vibrator on the side opposite to the hemispherical curved surface is mounted on the main surface of a first circular baffle board. On the opposite side of the first baffle board fr... | 04/11/2006 |
| 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 |
| 7011178 | Sound transmitter and speaker A sound transmitter includes at least a vibrating membrane mounted on the wall of an enclosure so that one surface of the speaker membrane radiates in the enclosure, the enclosure being provided with a vent forming a conduit between an outlet inside the enclosure an... | 03/14/2006 |
| 6913110 | Lightweight speaker enclosure A speaker enclosure having a substantially seamless rigid outer skin, a middle sound absorbing layer, and a substantially seamless inner skin results in a lightweight speaker having sound absorbing characteristics. The speaker enclosure is comprised of two basic par... | 07/05/2005 |
| 6904157 | Structure around a speaker unit and applied electric or electronic apparatus thereof A compact lightweight speaker system without a resonance box that can reproduce the original sound with high fidelity. A speaker unit is located on a baffle board with a vibration absorbing member between a frame of the speaker unit and the baffle board. Furthermore... | 06/07/2005 |
| 6886658 | Loudspeaker enclosure system The system consists of 2 large speakers (1A & 1B), and 2 small full range speakers (2A & 2B) having about half the active cone area as the large speakers, mounted in a dual chamber enclosure (3) with the large speaker (1A) m... | 05/03/2005 |
| 6781829 | Device for reducing the noise level of a component with moving parts and for cooling the same The invention pertains to a device for reducing the noise level of, and for cooling, a Component (1) with moving parts, such as a hard disk in a PC system. The device comprises a Container (2) in which Component (1) is arrayed and in whic... | 08/24/2004 |
| 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 by a cohesion material. ... | 03/16/2004 |
| 6686036 | Material for casing for acoustic equipment and casing for acoustic equipment fabricated therefrom A casing for an acoustic equipment formed mainly of a filler and a thermosetting or thermoplastic resin. The filler is comprised of a cellulose-based powdered material, such as wooden powders obtained on crushing a wooden material and an powdered material... | 02/03/2004 |
| 6681024 | Device including a built-in electroacoustic transducer for optimum speech reproduction A device (8) which includes an electroacoustic transducer (7) for the acoustic reproduction of sound signals to an ear (14) of a user (2) who assumes a user position at the device. The transducer is optimized for the acoustic reproduction of speech-signal... | 01/20/2004 |
| 6658129 | Passive radiator having mass elements A passive radiator includes a chassis (11) and a radiator body which is connected to the chassis and which is movable with respect to the chassis along a translation axis (T*). The radiator is capable of displacing comparatively large air volumes. The rad... | 12/02/2003 |
| 6598700 | Compression molded cellulose (CMC) loudspeaker cabinets and method for making same The present invention relates to loudspeaker cabinets composed of a moldable wood material and a method for making the same. In particular, the present invention relates to loudspeaker cabinets composed of a compression molded cellulose (CMC) material res... | 07/29/2003 |
| 6571909 | Loudspeaker enclosure Described is a loudspeaker enclosure arrangement that reduces, by a large degree, internal acoustic reflections, enclosure vibrations, and diffraction off the surfaces and edges of the loudspeaker enclosure. The loudspeaker exterior surfaces and edges are... | 06/03/2003 |
| 6494289 | Device for dynamic excitation of panel loudspeakers The invention relates to the embodiment of panel loudspeakers 10 working according to the bending wave principle. Such loudspeakers 10 generally consist of an acoustic panel 11 and drivers 12, whereby the drivers 12 are connected to the acoustic panel 11.... | 12/17/2002 |
| 6338395 | Kapok loudspeaker enclosure damping material A damping material for use in a loudspeaker enclosure to enhance sonic properties of the enclosure. The material for use in the enclosure is kapok, a fibrous material with a relatively low density. By incorporating the kapok within the enclosure, either s... | 01/15/2002 |
| 6324292 | Speaker apparatus A speaker apparatus comprises a speaker unit, a cabinet for forming an internal space on the rear side of the speaker unit with a plurality of wall surfaces including a baffle plate for use in mounting the speaker unit, a acoustic tube which is formed alo... | 11/27/2001 |
| 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 partition wall situated inside the cabinet to form a space b... | 11/20/2001 |
| 6278789 | Frequency selective acoustic waveguide damping An acoustic waveguide loudspeaker system has an electroacoustical transducer having a vibratile surface. An acoustic waveguide has a first end open and a second end adjacent to the vibratile surface and an effective length corresponding substantially to a... | 08/21/2001 |
| 6243262 | Sound muffling and heat-discharging case for computer storage device A sound muffling and heat-discharging case for a computer storage apparatus includes a casing having an opened upper portion and receiving the storage apparatus therein, a cover having a severed side portion partially exposing the peripheral parts of the ... | 06/05/2001 |
| 6215655 | Drive-in ordering apparatus An apparatus for protecting equipment in an outdoor communication structure from adverse weather conditions, vibration, and vandalism includes a housing that possesses hidden lip door edges and is assembled such that no screws, nuts, hinges, etc. are left... | 04/10/2001 |
| 6205229 | Television having a device for preventing vibration of speaker The television having a device for preventing vibration of speaker comprises a speaker. The speaker is fixed on one wall toward a hollow portion formed in an enclosure, and an opening for emitting sound is formed on the enclosure. A vibration plate faces ... | 03/20/2001 |
