Bizarre Patents
Mouthguard made at least partially from an edible candy
A mouthguard includes a U-shaped upper bite plate which removably fits over upper teeth of a person, with the entire upper bite plate being made from a soft, deformable and edible gummi candy.
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| Number | Title | Issue Date |
| 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 |
| 6712177 | Cross-fired multiple horn loudspeaker system The invention relates to a horn loudspeaker system. The horn loudspeaker system includes a pair of vertically displaced horns with cross-fired aiming angles. A common throat section couples the horns to a driver. A substantially asymmetrical baffling is incorporated... | 03/30/2004 |
| 6059069 | Loudspeaker waveguide design A loudspeaker horn has straight wall section and a curved wall section. The straight wall section has diverging walls defining a coverage angle and the curved wall portion is connected to the straight wall portion at a point tangent thereto, and has a pro... | 05/09/2000 |
| 5020630 | Loudspeaker and horn therefor A loudspeaker for projecting sound over a listening area having a driver and a horn in which the horn has a coupling portion communicating at an interface with an outwardly flaring portion, the horn forming an elongated slot at the interface and being pro... | 06/04/1991 |
| 5004067 | Cinema sound system for unperforated screens A cinema sound system for unperforated screens includes for each stereophonic channel a floor positioned direct radiator bass speaker unit radiating into quarter space and an upper frequency speaker unit mounted above the screen. Each upper frequency spea... | 04/02/1991 |
| 4982436 | Dual horn folded soundpath loudspeaker A loudspeaker having two horns defining two soundpaths passing therethrough an input for connection to a driver and an output for broadcasting an acoustic signal is shown to include a central channel connected at one end to the input, the soundpaths being... | 01/01/1991 |
| 4580655 | Defined coverage loudspeaker horn Opposed side walls of a loudspeaker horn are constructed to direct portions of a sound beam toward a target over different preselected included angles, producing an incident beam which is substantially coextensive with the target. The side walls preferabl... | 04/08/1986 |
| 4496021 | 360 Degree radial reflex orthospectral horn for high-frequency loudspeakers A radial high-frequency, high-efficiency orthospectral loudspeaker is disclosed in which a horn-loaded, electro-acoustic driver is used and the horn configuration is radial and annular to give a 360° lateral dispersion of the sound generated by the louds... | 01/29/1985 |
| 4348750 | Energy control device First and second reflectors, having a parabolic concave reflective surface and a conical reflecting surface, respectively, are vertically spaced on co-linear axis. An energy source, such as a loudspeaker mounted atop the frusto-conical second reflector ne... | 09/07/1982 |
| 4348549 | Loudspeaker system A loudspeaker system for radiating acoustic output throughout 360° in generally horizontal planes, comprising an enclosure having low frequency (woofer) and high frequency (tweeter) radiators mounted in spaced relation on a common vertical axis. The horn... | 09/07/1982 |
| 4310065 | Radial horn A speaker horn is adapted for coupling to a speaker drive assembly and for dispersing incident sound energy in a 360° radial pattern. The horn includes two sound-dispersing structures for making a passageway generally symmetrical about a longitudinal axi... | 01/12/1982 |
| 4171734 | Exponential horn speaker An exponential horn for use in a speaker is provided and includes a horn having a mouth, a throat and horn wall sections connecting the horn mouth and the horn throat. The horn wall sections define a horn whose cross sectional area progressively increases... | 10/23/1979 |
| 4134471 | Narrow angle cylindrical wave full range loudspeaker system A loudspeaker system which has a frequency response at any angle located about the speaker system which will be uniform such that the output sound pressure at any frequency from the speaker system will be as great or greater than the sound pressure from a... | 01/16/1979 |
| 4104610 | Ultrasonic wave horn An ultrasonic wave horn adaptable to any desired radiation pattern varying in length-to-breadth ratio of intended detecting area. The horn comprises at least a horn body having gradually expanding caliber from a constricted throat to an expanded opening w... | 08/01/1978 |
| 3972385 | Horn speaker A horn speaker comprising a diaphragm positioned close to a throat and side walls forming sound passages for radiating the vibrations of the diaphragm effectively as sound waves from the mouth of the speaker.... | 08/03/1976 |
| 3935925 | Horn unit for a speaker A horn speaker having wide directional characteristics in accordance with the present invention provides a horn having a horn wall the shape of which is formed by connecting a plurality of curves having different flaring constants. The flaring constant of... | 02/03/1976 |
| 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 |
