Speaker device, sound source simulation system, and echo cancellation system
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United States of America Patent
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Jan 20, 2015
Issued Date -
N/A
app pub date -
May 31, 2011
filing date -
Jun 2, 2010
priority date (Note) -
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Abstract
A speaker device includes an enclosure provided with a speaker unit and a bass reflex port, wherein the bass reflex port has an outer opening opened to outside of the enclosure and an inner opening opened to inside of the enclosure, and has a tubular body whose hollow cross-sectional area is gradually reduced along an axial direction of the bass reflex port from its ends to its center, and the tubular body is formed so that a length of the hollow cross-section in one direction does not change along the axial direction, and wherein the inner opening of the bass reflex port is located opposite to the speaker unit, with the bass reflex port sandwiched therebetween.
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