Acoustics – Sound-modifying means – Intensifying horn
Reexamination Certificate
2006-06-16
2009-11-24
Donels, Jeffrey (Department: 2832)
Acoustics
Sound-modifying means
Intensifying horn
C181S153000, C181S155000, C181S176000, C381S336000
Reexamination Certificate
active
07621369
ABSTRACT:
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 locations, with each set being a ring of non-zero circumference centered on the forward radiant axis. The sound source is a distributed, functionally continuous sound source adapted to exploit this feature. In its preferred form the sound source is a sort of closed line array of loudspeakers providing a torodial shaped acoustic source to direct at the hyperbolic cone, the transducers being disposed in a circle with all of the loudspeakers oriented inwardly toward or outwardly from the forward radiant axis.
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PCT Notification of Transmittal of the International Search Report and the Written Opinion of the International Searching Authority, or the Declaration.
PCT Notification of Transmittal of the International Search Report and the Written Opinion of the International Searching Authority, or the Declaration, published Dec. 21, 2007.
Donels Jeffrey
Firestone Susan L.
Luks Jeremy
O'Malley Paul W.
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