Acoustic transducer
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United States of America Patent
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Aug 18, 2009
Grant Date -
Feb 28, 2008
app pub date -
Aug 28, 2006
filing date -
Aug 28, 2006
priority date (Note) -
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Abstract
A transducer utilizes a sound-producing member positioned in the area of magnetic flux concentration between magnetic poles of opposite polarity. The sound-producing member is variably vibratable in a magnetic structure between the poles to generate acoustic waves, and an acoustic conduit carries the acoustic waves through the magnetic poles e to a location outside the magnetic structure.
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