Bizarre Patents
Vehicular Impact Signaling Device
An apparatus for the deployment of a visible plume to alert other motorists that a proximate motor vehicle has been involved in a collision.
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| Number | Title | Issue Date |
| 7837006 | Enhanced spectrum acoustic energy projection system The sound generating and transmitting apparatus is based on a radiator including at least a first, and possibly two or more, shaped reflecting surface(s) having a forward radiant axis. Each of the shaped reflecting surfaces defines sets of equivalent acoustic input ... | 11/23/2010 |
| 7766122 | Acoustic energy projection system The sound generating and transmitting apparatus is based on a radiator including at least a first, and possibly two or more, shaped reflecting surface(s) having a forward radiant axis. Each of the shaped reflecting surfaces defines sets of equivalent acoustic input ... | 08/03/2010 |
| 7621369 | Acoustic energy projection system The sound generating and transmitting apparatus is based on a radiator including at least a first, and possibly two or more, shaped reflecting surface(s) having a forward radiant axis. Each of the shaped reflecting surfaces defines sets of equivalent acoustic input ... | 11/24/2009 |
| 7299893 | Loudspeaker horn and method for controlling grating lobes in a line array of acoustic sources A loudspeaker horn (11) having a throat end (13) for receiving acoustic power from aligned acoustic power sources (41, 43, 45), an elongated throat (33), and a flared section (17) is provided with grating lobe mitigation fins (2... | 11/27/2007 |
| 7278513 | Internal lens system for loudspeaker waveguides This invention provides a lens system for a loudspeaker. The loudspeaker may include a driver unit and a waveguide attached to the driver unit. The loudspeaker further may include a lens system. The lens system may include a plurality of plates. The plates may be po... | 10/09/2007 |
| 7275621 | Skew horn for a loudspeaker A horn including a substantially flat coupling flange defining a coupling flange plane, a substantially planar mouth defining a mouth plane, an elongated throat extending between the coupling flange and the mouth, a transducer for generating a sonic output operation... | 10/02/2007 |
| 7252176 | Reflex-ported folded horn enclosure A low frequency exponential/hyperbolic hybrid folded horn enclosure intended for use in proximity with at least one planar surface, such as a floor, ceiling, or wall, with access to the horn throat from the top of the enclosure. The horn is bifurcated at the throat ... | 08/07/2007 |
| 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 |
| 7178629 | Electroacoustic public address unit with acoustic horn or waveguide A horn or waveguide public address unit, enabling to adapt the dispersion characteristics of the horn or waveguide. The unit is provided with at least one profiling component (21a, 21b) constituting a removable dispersion shaper, capable ... | 02/20/2007 |
| 7051835 | Bass-reflex loudspeaker system and method of manufacturing the same The loudspeaker construction comprises a loudspeaker chamber delimited by a loudspeaker enclosure structure, a reflex duct communicating with the loudspeaker chamber so as to connect the loudspeaker chamber to the exterior environment of the loudspeaker enclosure, a... | 05/30/2006 |
| 7016513 | Variable disposition wide band multi-way loudspeakers A sound system employing wide band loudspeakers, which includes one or more loudspeakers constructed to be placed and housed one inside the other in a closed configuration for transporting and storing and to be detached one from the other and positioned in different... | 03/21/2006 |
| 6860363 | Planar acoustic waveguide An improved speaker enclosure system and method is described which includes extending the existing baffle of a speaker enclosure on either side. Ideally, the ratio of the height of the baffle should be 1.4 times the internal depth of the enclosure, and the width of ... | 03/01/2005 |
| 6820718 | Acoustic reproduction device with improved directional characteristics A sound reproduction system is disclosed which minimizes unwanted acoustic reflections and the resulting comb-filter effects but which still maintains a broad and uniform directional characteristic throughout the region in the listening room in which listening posit... | 11/23/2004 |
| 6343132 | Loudspeaker The present invention provides a loudspeaker capable of matching a sound image and a picture image on a screen of an image reproducer with each other in simple construction and a simple method of installation. The loudspeaker is located above the image re... | 01/29/2002 |
| 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 |
| 5898137 | Speaker system for television set A sound A is emitted from respective left- and right-hand front speakers which are provided on a television set, in a front direction, while, regarding respective side speakers which are provided respectively on left- and right-hand sides of the televisio... | 04/27/1999 |
| 5889877 | Cabinet for a loudspeaker A cabinet for a loudspeaker with a preferably circular cross-section, in which the loudspeaker is closed on the front side substantially flush with one side of the cabinet and wherein means are provided for positioning the cabinet, wherein, starting from ... | 03/30/1999 |
| 5784473 | Sound system This disclosure relates to a sound system that provides high quality sound notwithstanding extreme background noise. Preferably implemented in amusement ride vehicles, such as roller coasters, the present sound system mounts left and right channel sets of... | 07/21/1998 |
| 5721401 | Sub-woofer module Disclosed is a sub-woofer module which has a simple construction and provides a good low-frequency bass in compliance with an audience's taste. The sub-woofer module has an enclosure, a baffle board which separates the enclosure into first and second cham... | 02/24/1998 |
| 5373771 | Brass and wind musical instrument attachment and method related thereto A sound reflector device for symmetrical association, in spaced relationship, with the bell or sound-emitting end or any other orifice of a musical instrument whereby a portion of sound is reflected rearwardly from the sound-emitting end of the instrument... | 12/20/1994 |
| 5293010 | Sound dampening device for horns The horn housing may comprise an inner metal shell in the shape of a hexagonal box open at one end fitting into a similarly shaped outer dense solid box similarly open at one end. Space between the inner and the outer boxes being filled by a low density s... | 03/08/1994 |
| 5243152 | Sound anti-muffler for a sound generator A sound anti-muffler provides at least one sound channel to permit sound from a sound generator to travel sideways to the outside air even though a hand is placed over the sound anti-muffler in an attempt to muffle the sound.... | 09/07/1993 |
| 5220608 | Method and means for stereophonic sound reproduction Monophonic sound is transformed into a stereo pattern by arranging two reflectors on a common axis at a predetermined distance from each other with both facing in the direction of the sound. One reflector has a larger diameter than the other and is provid... | 06/15/1993 |
| 5181301 | Method of making a very compact audio warning system A vehicle warning system (1) is disclosed. The device includes a main housing (2) to which is attached a sound generator (7), a lighting system (4), a mounting bracket (4) which is used to attach the device to an emergency vehicle, and a trim ring (6) whi... | 01/26/1993 |
| 5144670 | 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... | 09/01/1992 |
| 4939703 | Transducer baffle and sensor using same A baffle for enlarging the field of view of and enhancing collection of radiation for a sensor apparatus having a transducer for receiving radiation within its field of view. The baffle includes a base securable proximate the transducer, and at least one ... | 07/03/1990 |
| 4908601 | Loud speaker with horizontal radiation pattern A siren having one or more stacked speakers, each speaker having a substantially circular lower horn member having an upwardly facing surface including a substantially convex annular portion and a substantially concave central cavity portion. A substantia... | 03/13/1990 |
| 4878561 | Sound emitter An omnidirectional sound emitter with separate sound sources (1, 2), each comprising a funnel-shaped horn (4), is characterized in that the sound sources (1, 2) are mutually arranged such that the acoustic main axes (6) of the horns (4) lie in essentially... | 11/07/1989 |
| 4689609 | Electronic horn with spiral deflecting walls coupled to a truncated cone structure An electronic horn of compact dimensions. Oscillator circuits coupled to a mixing node produce a multiple frequency signal used to drive a horn transducer. One horn replaces the two horns used in the prior art. A reverberating chamber in close proximity t... | 08/25/1987 |
| 4164631 | Horn loudspeaker with acoustic lens A moving coil loudspeaker of the type including a pair of co-axial speech coils, one for driving a high frequency diaphragm at the rear of the loudspeaker to provide an output along a horn and the other for driving a cone forming a continuation of the hor... | 08/14/1979 |
| 4146999 | Acoustical panel with rigidified edges An acoustical panel formed of a core of sound-attenuating material having a front and a back surface. The edges of the core are resin-hardened for rigidification. The core is covered by a fabric stretched over its front surface adhered to the hardened edg... | 04/03/1979 |
| 4134324 | Sound projector for musical drums A musical drum consisting of a generally cylindrical drum shell having openings at its upper and lower ends with a vibratable drum head covering at least the upper opening and a sound projector positioned below the lower opening, which sound projector is ... | 01/16/1979 |
| 4033431 | Acoustic crossover speaker enclosure An acoustic crossover speaker enclosure comprising a multi-sided box having an apertured baffle supporting a horn which in conjunction with the interior of the box defines an air chamber. The horn is supported in an upright position such that the throat o... | 07/05/1977 |
| 4012983 | Acoustical reflector for wind instruments A panel of acoustically reflective material is removably supported on the bell of a wind instrument by a bracket which is jointed so that selectively the panel can be, (1) angularly positioned to reflect the sound back to the player or in other directions... | 03/22/1977 |
| 3944757 | High-fidelity moving-coil loudspeaker In a moving-coil type loudspeaker, a tubular member of a length longer than the wave-length of any one of the frequencies in a desired frequency range and having a constant cross-sectional area along its length, is coupled, at one end thereof, with one si... | 03/16/1976 |
| 3930561 | Low distortion pyramidal dispersion speaker A loudspeaker horn has a conical section adapted to receive the driver assembly of a speaker system at the small cone end. An exponential section secured to the large cone end, concentrically with the cone longitudinal axis, flares outwardly to terminate ... | 01/06/1976 |
