Speaker apparatus
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United States of America Patent
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Apr 30, 2013
Grant Date -
Dec 15, 2011
app pub date -
Aug 24, 2011
filing date -
Mar 27, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A speaker apparatus according to the present invention includes a phase inversion-type enclosure in which a speaker unit and a bass reflex port are installed, the bass reflex port having a tubular body whose hollow cross-sectional area gradually becomes smaller from one opening side toward an inside of the bass reflex port in an axial direction of the bass reflex port, and a length in one direction of the hollow cross section of the tubular body not changing and constant along the axial direction.
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