Track-shaped loudspeaker
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United States of America Patent
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Aug 3, 2004
Grant Date -
N/A
app pub date -
Dec 17, 1999
filing date -
Dec 28, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An elongated oval track-shaped loudspeaker has a diaphragm of a track-shape having major and minor axes, and a pole piece of an elongated oval shape and disposed to conform its major axis to that of the diaphragm, whereby a sufficient space is secured for a width size of a diaphragm-supporting damper at its portions on both sides along the major axis of the diaphragm, a magnet around the pole piece is enlarged, and the pole piece is dimensioned in its sectional area to correspond to the magnet to cause no magnetic saturation.
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