Celebrity Inventors
Walt Disney was no Mickey Mouse inventor. He devised a serious animation camera which he patented. With the device, his company created "Snow White".
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| Number | Title | Issue Date |
| 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 |
| 7334852 | Multiple configuration shelving system for displaying audio visual components A shelving system for displaying audio visual components that may be configured into multiple positions is disclosed. The system includes a base that supports a center platform disposed between right and left platforms. The center platform and the right and left pla... | 02/26/2008 |
| 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 |
| 7320520 | Portable multimedia projection system A portable multimedia projection system includes a portable housing, a DVD player, a channel tuner, an image projection device, a controller and a remote control receiver. The image projection device externally projects images. The controller is electrically coupled... | 01/22/2008 |
| 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 |
| 7269270 | Standing wave reducing The frequency at which standing waves occur in a loudspeaker enclosure may be reduced by the addition of an internal barrier to the enclosure in order to lengthen the effective length of an internal dimension of the enclosure. Additionally, the internal barrier may ... | 09/11/2007 |
| 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 |
| 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 reflecting panel is mounted such that that the panel can swing on the rear pl... | 02/27/2007 |
| 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 |
| 7111706 | Enclosure and audio-visual apparatus comprising same The acoustic enclosure comprises a box, on which is mounted at least one electro-acoustic transducer, and a vent which together with the box produces a bass-reflex system with a specified bass-reflex resonant frequency. The vent comprises means of attenuation at the... | 09/26/2006 |
| 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 |
| 6658121 | Headphone having an adjustable localization of auditory events The invention relates to a headphone with one right housing and one left housing, which are associated with a user's ears. These housings are provided-with acoustic baffles in which there. are disposed dynamic sound transducers, each of which comprises a ... | 12/02/2003 |
| 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 |
| 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 chamber, each of which has a relatively small volume. An ... | 01/07/2003 |
| 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 compartment, an outer compartment to one side of the inpu... | 06/05/2001 |
| 6073723 | Acoustic damping material An acoustic damping material that includes at least one resilient sheet, wherein each of the sheets have a first side and a second side, and wherein at least two portions of the sides face each other to form a multi-layered structure, is provided. The res... | 06/13/2000 |
| 6015025 | Diffuser panel with built-in speaker arrangement and methods of installation Acoustical diffuser apparatus for supporting and enhancing the performance of speakers. A preferred apparatus includes a diffuser panel that has an outwardly facing non-planar diffuser surface and an opening corresponding to each speaker for receiving at ... | 01/18/2000 |
| 5988314 | Sound output system A sound output system has a pair of right and left speakers and a pair of audio mirrors for respectively controlling directivities of sounds which are output from the pair of speakers. The shapes or arrangement of the pair of audio mirrors are adjusted su... | 11/23/1999 |
| 5909014 | Low frequency equaphase surround loudspeaker Shown, in the application, is a novel and extremely cost effective method to replace traditional and contemporary baffles and enclosures used for preventing the cancellation and consequent radiation of lower frequencies from loudspeakers. The space occupi... | 06/01/1999 |
| 5895896 | Fluid coupled subwoofer acoustic enclosure system with port chamber An acoustic enclosure system includes a port chamber between two acoustic chamber assemblies. The port chamber is separated from each of the acoustic chamber assemblies by a wall. Each acoustic chamber assembly includes first and second chambers which are... | 04/20/1999 |
| 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 transmission line is preferably tapered and is filled with acous... | 09/29/1998 |
| 5731552 | Speaker system with sound absorbing diaphragm Interference between sound waves of different frequencies in a speaker system having a woofer and associated transmission tube are eliminated by securing a sound absorbing diaphragm to the output end of the tube to absorb sharp and high frequency sound wa... | 03/24/1998 |
| 5731555 | Loudspeaker enclosure having a low reflection/low diffraction baffle A loudspeaker enclosure having a low reflection/low diffraction baffle for reducing acoustic reflections and diffraction. The baffle of the loudspeaker enclosure has a substantially entire front surface covered by a first layer of optimized acoustical foa... | 03/24/1998 |
| 5525767 | High-performance sound imaging system A sound imaging system preferably including two enclosures each comprising a truncated conical base unit and a truncated conical upper unit supported above and spaced apart from of the base unit, and containing a bass driver and composite midrange and hig... | 06/11/1996 |
| 5514841 | Reflex compression valve - divided chamber loudspeaker cabinet The present invention relates to a reflex compression valve--divided chamber speaker cabinet which improves acoustic frequencies emanating from the speaker cabinet by specially designed and positioned ports located frontally and rearwardly within the spea... | 05/07/1996 |
| 5388162 | Sound innovation speaker system A speaker system designed to use wider resonant sound waves by two conventional speakers which are symmetrically and oppositely disposed to face one another along a co-axis on which both axes of the cone paper vibrator of the speakers are aligned. A spong... | 02/07/1995 |
| 5324896 | Audio loudspeaker system An audio loudspeaker system is provided which consists of an enclosure having a front wall, a rear wall with a plurality of circular openings, a pair of side wall, a top wall and a bottom wall. A plurality of loudspeaker components are supported on the fr... | 06/28/1994 |
| 5261006 | Loudspeaker system comprising a helmholtz resonator coupled to an acoustic tube A loudspeaker system includes a housing (1) having therein at least one loudspeaker (3) which divides the volume of the housing into two parts (V1, V2). The first volume (V1) is coupled, via an aperture in the housing (1),... | 11/09/1993 |
| 5229555 | Speaker system and TV with the same In the speaker system, an acoustic pipe for conducting a sound wave is arranged in front of a speaker for reproducing a middle and low frequency sound. The acoustic pipe has a rectangular open end portion. A speaker for reproducing a high frequency sound ... | 07/20/1993 |
| 5067159 | Structure of a speaker apparatus A speaker apparatus in which a speaker unit having a vibrating plate thereon is housed in a cabinet, an opening defined by the cabinet for radiating a sound generated at a front surface of the vibrating plate of the speaker unit is formed, and a shield pl... | 11/19/1991 |
| 4964482 | Loudspeaker enclosure An enclosure for a loudspeaker is molded from a rigid acoustically inert material such as a polymer concrete. Preferably, the enclosure has an inner shell of a semi-rigid acoustically absorbent material providing damping for the enclosure. The enclosure m... | 10/23/1990 |
| 4944019 | Low sound region reproducing speaker system A low sound region reproducing speaker system comprising a box, a partition separating the internal space of the box into two spatial portions, a pair of speakers attached to the partition wall, and an aperture formed in the side wall of the box through w... | 07/24/1990 |
| 4924964 | Loudspeaker enclosure An enclosure for a bass loudspeaker for housing in a larger multiple loudspeaker enclosure having a pair of concentric cylindrical shells filled with dense particulate matter.... | 05/15/1990 |
| 4905788 | Electro-acoustic transducers An electro-acoustic transducer is formed of a loudspeaker enclosure having a form of revolution about an axis each end of which is closed by a loudspeaker. The two loudspeakers are mounted back to back in the axis of the enclosure, one of the loudspeakers... | 03/06/1990 |
| 4893695 | Speaker system A speaker system which has a speaker unit with a diaphragm and an acoustic path provided on the front side of the diaphragm so as to guide sound waves emitted from the diaphragm. The acoustic path is defined by a sound absorbing member. The space in the a... | 01/16/1990 |
| 4869340 | Very high performance loudspeaker enclosures Going inwardly from the outside, the walls of the housing comprise a multi-ply slab, one or more layers of elastomer coating, a plate of amorphous bitumen, and acoustic screens constituted by substantially contiguous parallel tubes which are filled with a... | 09/26/1989 |
| 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 sphere (4 or 24) is disposed between the woofer and the tweete... | 07/25/1989 |
| 4837837 | Loudspeaker The efficiency of a loudspeaker housing is substantially increased by incorporating in the housing, in the form of a lining or stuffing, a quantity of goat's hair, preferably mohair.... | 06/06/1989 |
| 4837839 | Compact speaker assembly with improved low frequency response A speaker transducer assembly is disclosed which includes first and second speaker diaphragms supported on a frame in over and under juxtaposition. Each of the speaker diaphragms has a central opening defining an inner periphery which is attached to a voi... | 06/06/1989 |
| 4819761 | Tubular loudspeaker system A sound radiating loudspeaker and tubular enclosure combination wherein the tubular enclosure is either formed in a helical configuration or two or more straight tubular sections which interest each other at an angle. In either form the tube is capable of... | 04/11/1989 |
