Sound transducer with ventilation structure
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United States of America Patent
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Oct 18, 2016
Grant Date -
May 1, 2014
app pub date -
Oct 25, 2013
filing date -
Oct 25, 2012
priority date (Note) -
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Abstract
The present invention discloses a sound transducer with a ventilation structure capable of securing a flow path of air introduced from within and outside of the sound transducer to the maximum. The sound transducer with a ventilation structure includes a frame, a magnetic circuit installed within the frame, a voice coil vibrating according to mutual electromagnetic force with the magnetic circuit upon receiving an electrical signal, a vibration plate vibrating according to vibrations of the voice coil to generate a sound, and a drain hole formed to be adjacent to the corner of the frame and allowing air to flow between the interior and exterior of the frame.
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