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| Number | Title | Issue Date |
| 6012542 | Bass amplifying system for radios A bass amplifying system (10) for radios (100) having mounted speakers; wherein, the system (10) comprises a combined enclosure and support unit (11) including a cover member (30) pivotally associated with a base member (20) having an elevated support pla... | 01/11/2000 |
| 5975236 | Speaker assembly A speaker assembly comprising an elongated unitary member having a first end and a second end. The elongated member is formed into a generally box-shaped configuration having an open top, an open bottom and an internal box cavity. The first and second end... | 11/02/1999 |
| 5932850 | Speaker system A speaker system provides good acoustic characteristics for use in visual equipment, by controlling the turbulence in mid-range of response frequency characteristics to be flat so as to produce an excellent speech articulation. This is accomplished by cou... | 08/03/1999 |
| 5929392 | Speaker system A speaker system provides good acoustic characteristics for use in visual equipment, by controlling the turbulence in mid-range of response frequency characteristics to be flat so as to produce an excellent speech articulation. This is accomplished by cou... | 07/27/1999 |
| 5925856 | Loudspeaker horn A loudspeaker horn for use with an acoustical driver has a rectangular throat opening with a long dimension relative to the wavelength of the sound pressure waves generated within the high frequency range of the horn. A relatively short pre-load chamber c... | 07/20/1999 |
| 5907133 | Device for electroacoostic diffusion, with diaphragms, spiders and horns of balsa wood or mixtures thereof A device for electroacoustic diffusion includes a basket; a balance supported by the basket, made of balsa wood or formed with a balsa wood stripe fixed at its ends with a coil glued at its middle; a balsa wood membrane supported by the basket; a suspensi... | 05/25/1999 |
| 5900593 | Loudspeaker system A loudspeaker system including at least one enclosure incorporating a wave guide having a curved input slot through which sound waves generated from an acoustic transducer are introduced by way of an acoustic chamber and wherein the curvature of the slot ... | 05/04/1999 |
| 5898138 | Loudspeaker having horn loaded driver and vent A loudspeaker is disclosed in which an enclosure is provided with a horn. A driver and vent are provided in side walls of the horn, spaced from a central axis of the horn. The vent is aligned so that when the central axis of the horn is horizontal and a c... | 04/27/1999 |
| 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 from the rear of a loudspeaker. The loudspeaker system includ... | 04/27/1999 |
| 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 formed by the housing. A third, high-mid speaker, of the same... | 02/16/1999 |
| 5847331 | Omnidirectional loudspeaker A speaker propagating sound waves in the manner of a point source. The speaker includes high, medium, and low range drivers vertically arranged within a vertically arranged tubular support member having sound escape openings in its lateral wall. The high ... | 12/08/1998 |
| 5825900 | Loudspeaker housing for video display appliance A loudspeaker housing for a video display appliance including a front housing to which a loudspeaker is engaged and a rear housing is disclosed. According to the present invention, the front housing has a main channel and a pair of subsidiary channels, th... | 10/20/1998 |
| 5821470 | Broadband acoustical transmitting system An acoustical transmitting system and method for producing a narrow beam of acoustic energy over a broadband operating frequency range utilizes a parabolic reflector dish, a horn-loaded compression driver for directing acoustic energy toward the dish's re... | 10/13/1998 |
| 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 for amplifying a portion of sound waves radiated rearward o... | 10/13/1998 |
| 5804774 | Ported reflex horn An integrally formed ported reflex horn comprises an outer housing having a plurality of side walls disposed about a central axis, an open discharge end and a second closed end, oppositely disposed to the open end. The horn also includes a compression dri... | 09/08/1998 |
| 5793000 | Speaker system A speaker system provides good acoustic characteristics for use in visual equipment, by controlling the turbulence in mid-range of response frequency characteristics to be flat so as to produce an excellent speech articulation. This is accomplished by cou... | 08/11/1998 |
| 5757942 | Speaker unit with an improved acoustic equalizer An acoustic equalizer for use in a speaker unit including a central member in the shape of a generally spherical cone and a plurality of annular members arranged coaxially around the central member, the innermost one of which is partially linked through a... | 05/26/1998 |
| 5750943 | Speaker array with improved phase characteristics An improved method and an apparatus uniformly transmit sounds over large angles of coverage. An acoustic source is attached to a loudspeaker horn with two straight outer side walls and two straight upper and lower outer walls, the projected extensions of ... | 05/12/1998 |
| 5737435 | Sound-reproducing apparatus comprising an acoustic horn, and acoustic horn for use in the apparatus A sound-reproducing apparatus comprises an acoustic horn which terminates in an opening in the wall of the apparatus. An obstacle is arranged in the acoustic duct of the horn, which provides a better frequency response.... | 04/07/1998 |
| 5726396 | Folded acoustical horn A folded acoustical horn is disclosed, having an acoustical transmission path that is generally arcuate about an axis, including a pair of arcuate mouths that are longitudinally spaced apart a selected distance and directed radially outwardly. A horn tune... | 03/10/1998 |
| 5715322 | Throat device interconnecting a plurality of drive units and a horn A throat device for interconnecting at least two drive units and a horn is provided. The throat device comprises a substantially straight body member having one end to be coupled with the horn, and at least two curved branch members coupled with the other... | 02/03/1998 |
| 5710394 | Television set speaker system A television set speaker system includes first and second acoustic waveguides arranged respectively in the front surface parts of respective diaphragms of left channel and right channel speakers so as to radiate sounds. First and second directional reflec... | 01/20/1998 |
| 5675131 | Speaker system and the same for television sets As the front surface diaphragm of the speaker is provided with a first acoustic waveguide and the rear surface diaphragm is provided with a back cavity reflecting sound waves and a second acoustic waveguide guiding the reflected sound waves, a mass of air... | 10/07/1997 |
| 5646381 | Roof mounted sound horns for vehicles An acoustical assembly and methodology for mounting audio speakers 28 in automotive vehicles an acoustical speaker (28) for generating sound waves including a pair of acoustical horns for directing sound in opposite directions from speakers (28) disposed ... | 07/08/1997 |
| 5637840 | Miniaturized high power speaker A thin, compact, high power speaker for producing high volume sound alarm signals and for reproducing voice messages, and which may be installed in a limited space. The speaker of the invention includes a housing, a transducer mounted in the housing for g... | 06/10/1997 |
| 5604337 | Loudspeaker arrangement in television receiver cabinet A television receiver cabinet is provided including a plurality of wall members and at least one speaker horn sub-assembly, wherein at least one speaker unit is contained to form a horn structure. The loudspeaker horn sub-assembly utilizes at least part o... | 02/18/1997 |
| 5537481 | Horn driver A horn driver includes a driver body and pole piece positioned therein. A throat extends through the pole piece along a longitudinal axis through the horn driver. A housing, attached to the driver body, is positioned above an upper portion of the pole pie... | 07/16/1996 |
| 5526456 | Multiple-driver single horn loud speaker A multiple-driver, single horn loudspeaker is disclosed. The loudspeaker comprises an enclosure having a centerline and a single horn mounted therein. The horn has a throat located in the enclosure, and a mouth which is located at an open end of the enclo... | 06/11/1996 |
| 5471018 | Audio or video apparatus with a built-in loudspeaker An audio or video apparatus has a housing, a loud-speaker and an acoustic channel. The loud-speaker acoustically cooperates with the channel. One end of the channel opens into an aperture in a side of the apparatus. The dimensions of the loud-speaker and ... | 11/28/1995 |
| 5432860 | Speaker system A speaker system includes an acoustic horn disposed in a cabinet. The acoustic horn is cone-shaped, is composed of a porous sound absorbing material, and has an aperture for interconnecting a space at the rear of a speaker unit and a space in the acoustic... | 07/11/1995 |
| 5397866 | Dual acoustic horn assembly An acoustic horn assembly for use as part of an electronic siren system for an emergency vehicle comprises a pair of integrated molded, rigid plastic members which cooperate to define a pair of divergent sound passages. The entrance ends of these sound pa... | 03/14/1995 |
| 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, speaker body and horn piece together in such a manner that th... | 11/22/1994 |
| 5359158 | Ceiling-mounted loudspeaker A ceiling-mounted loudspeaker includes upper and lower sound-directing structures having walls acting as a radial horn to provide a wide included angle of coverage for sound energy generated by a loudspeaker driver assembly having a piston for directing g... | 10/25/1994 |
| 5298690 | Sound distributor with symmetry of revolution The invention relates to a sound distributor with symmetry of revolution. The distributor comprises two sound reflecting cups, having a convex shape which is an exponential of surface revolution about a fictitious axis. The outer surfaces of these cups ar... | 03/29/1994 |
| 5296656 | Sound collecting and concentrating device for attaching to the back of multiple loudspeakers A loudspeaker system and a loudspeaker housing system uses a plurality of smaller rated loudspeakers to generate a high-level output. Specifically, the plurality of loudspeakers are housed in a corresponding number of substantially cylindrical sound colle... | 03/22/1994 |
| 5284222 | Speaker cabinet A speaker cabinet in which a cross section of an outer peripheral portion (11) is formed as an elliptic shape and opening portions (22 to 25) formed on the outer peripheral portion (11) and into which speakers (2 to 5) are mounted are formed as horn shape... | 02/08/1994 |
| 5268538 | Hemispherically wide-radiating-angle loudspeaker system A loudspeaker system having the ability to uniformly direct high-frequency as well as low-frequency sound hemispherically is described. The acoustical centers of a low-frequency and a high-frequency driver are aligned in space to provide a common source o... | 12/07/1993 |
| 5233136 | Horn loadspeaker A horn loudspeaker has an opening formed in a wall of a horn, and a tubular duct is provided along the horn and communicated with the opening. The length L of the duct is expressed as, L.perspectiveto.c/4fr-0.4d where c is a velocity of sound, fr is a fre... | 08/03/1993 |
| 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 |
| 5206465 | Sound collecting and concentrating device for attaching to the back of a loudspeaker This invention relates to a loudspeaker having at least one sound collecting tubes attached to the rear of the speaker frame or the sound collecting tubes forming the speaker frame for collecting and directing sound waves emitted from the rear of the spea... | 04/27/1993 |
