RESONATOR DESIGN FOR DETECTORS AND SOUNDERS
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United States of America Patent
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Issued Date -
Mar 28, 2013
app pub date -
Sep 28, 2011
filing date -
Sep 28, 2011
priority date (Note) -
Abandoned
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Abstract
A sound enhancement device for a detector includes a cylindrical portion having a tubular body and an interior cavity longitudinally coextensive therewith. The device includes a first elongated portion and at least a second elongated portion with both portions coupled to the cylindrical portion. The first elongated portion includes a first body portion having a first cavity that is coextensive with the first body portion while the at least second elongated portion includes a second body portion having a second cavity that is coextensive with the second body portion. The cylindrical portion and each of the first and at least the second elongated portions comprise a length of a quarter wavelength of a predefined frequency. The sound enhancement device includes radii of curvatures for causing a wavefront emanating from the sound enhancement device to maximize the radiation efficiency of the sound enhancement device.
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