Micro-speaker
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United States of America Patent
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Mar 31, 2015
Grant Date -
Jan 17, 2013
app pub date -
Jul 13, 2012
filing date -
Apr 4, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A micro-speaker includes a frame, a diaphragm mounted on the frame, a magnetic system received in the frame and defining a magnetic gap, a voice coil driving the diaphragm and suspended in the magnetic gap, and a suspension having a body portion and at least a pair of connecting portion extending from the body portion and mounted on the frame. The body portion of the suspension connects with the voice coil and far away from the diaphragm for cooperating with the diaphragm to fix the coil firmly, thereby ensuring the vibrating of the diaphragm is stable and balanced.
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